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Service Manual - Michael Jay Lissner

1. 0 1U GND 1000uF 35V GND Kg Lx 12V Amp C629 Ces C655 NC 10U 0805 NC 10U 0805 0 33uF 63V MUTE S gt gt MUTE_S 7uF 50V M 7uF 50V NC 0 22U 0805 0805 AUDIO 12 AUDIO PW 12V 3 1 5 4 EE 5 ol EC ou 5 6 9 0 9 0 NC 10K 1U 0805 T EX Cy x 2 Ae ei AUOutL3 2 A SH 9 AUOutL3 gt C609 1079805 INL 2 VOL1 39 VREFL VOL0 601 MODE2 pr L AGND 1601 MODE1 e R613 E MODEO 300K REF5V Near ler ear Scale YDA138 2 5 Seef 10 0805 AUOUtR3 R557 100R 5 cett D AUOutR3 gt gt C612 1079805 INR AVSS H vrer m 10 50 Ld z I EE dr de e x pvss 5 o oo o 0 A o P Eug So IE M 2 9 2 2 AGND X A 1605 15uH qe O Y CY Y Wo MUTE AMP e C619 613 6614 656 N 0805 MUTE S R602 fe 7 HAHN 1606 15 0 33uF 63V I NC 0 22U 080 3904 10 0805 REOA NG 51 N3250wb 1G ViewSonic Corporation Confidential Do Not Copy 11 11 11 11 11 8 7 Audio buffer AUSCK AUWS AUSDO AUMCK AUMUTE Audio Line Output From Scaler View
2. 25 40 H Reverse High 1 Apply Elapsed Time 7 24 ViewSonic Corporation Printer 1 38 2 N3250wb 1G Confidential Do Not Copy 4 Press and choose the right F W MStar ISP Utility 4 1 0 xj Connect Dis Con um Read Hex files File Status Start Addr 000000 Checksum BS IInuced Rutes x E0 Cx TT0132E2_Y03 20070314P E3 JTO132bE2 V03 20070314P bin t Elapsed Tin c pc sxe JC1987 ok SOLUI at A 3 10132 2 V03 20070314P bin i SEH Binay File mus 8 5 Press Auto than press Run It will start ISP When the ISP is ok you will see the information as the bellow picture MStar ISP Utility V4 1 0 K Sea Autog Blank Program Blank Message Blanking Blank OK ReConnect J Blank 7 Read File Program Program Message Programming Program Checksum 0x1C2A Verify Verify Message Verifying Verify Exit ISP End time 05 39 55 Erase Device File Area Erase Area Fist 512 KBytes C Partial Erase Setup Elapsed Time 02 25 122 Printer 138KHz Flash Status 00 9 5 Pull away the AC pow
3. 76 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G ViewSonic P N Ref P N Description Location Universal number 2336610613P MINI ELE 105 C EC 100 50 5 7 P 2 5T C148 E 0000834 2346110496P CHIP CS 0603 7 50 OluK T C147 2336610613 MINI ELE 105 C EC 10u 50 5 7 P 2 T C146 E 0000834 2346110496P CHIP CS 0603 X7R S0V OluK T C145 E 0000834 2346110496P CAP CHIP CS 0603 7 50 0 K T C144 E 0000834 234 CS 0603 X7R 50V OluK T C143 6110496P CHIP E 0000834 2346110496P CAP CHIP CS 0603 7 50 0 K T C142 E 0000834 2346 CS 0603 7 50 OluK T C141 10496P CHIP E 0000834 6110496P CHIP CS 0603 7 50 0 lu K T C140 p 234 E 0000834 2346110496 CAP CHIP gt 50 OluK T E 0000834 10496P CAP CHIP 2 50 OluK T 2336347713P MINI ELE 105 C 2 V 8 9 5 0 E 00008342 10496P CAP CHIP 2 R S0V O luK T 6110496P CHIP CS 0603 7 50 0 1 T C135 E 0000834 10496P CAP CHIP CS 0603 X7R 50V OluK T C134 2 E 00008342 10496P CAP CHIP CS 0603 78 50 OluK T C133 336610613 MINI ELE 105 C EC 10 50 5 7 2 5 C132 3P 0000099 23363476 CAP MINI ELE 105 C 47wl16V 5 7 P 2 T C131 2336322713P CAP MINI ELE 105 C 220u 16 8 7 5 0 C130 0000834 2346110496P CHIP C
4. 68 M3X8 BND T 2R ARM 13X6 B BRACKET SECC T 2 0mm D T C268FE SECC Tz1 2mm STAND 4X8 BND T 14X10 BND T BLK SCREW CSK M4x8 32 SECC T 1 0mm X4U C DOWN M3 4 P 05 09 2 EU EU 4 5 SZZTEROO1A M3 6L MSWRI7 FZMYI 32 SECC T 1 0mm X4U C RIGHT M3 4 P 0 5 3 4 l 6 32R ABS HB BLACK X4U C 2 ABS 94HB BLACK SCREW BND T M4 12 BND T 26E ABS 94HB BLACK C 15X40 M P ZN CC CR 9 16 5X7 3 BLACK 6 10MM BLACK ZN 6 H H 1007426 L 350mm 2 5 6P H H 1061426 L 350 830mm 1 4 2 2P 1007824 L 700mm ea 10 14P H H 1007428 L 280mm 30 30P H H 1571428 L 360mm 12 12P 1 H_1007 24 L 260mm 15W 6ohm R L165 W58 H4lmm 1 1 DONGLI 15W 6ohm L L165 W58 Confidential Do Not Copy N3250wb 1G 11 Recommended Spare Parts List ViewSonic Model Number VS11752 1G RECOMMENDED SPARE PARTS LIST N3250wb 1 Serial No Prefix QMX Rev 1 Item Description ECR ECN ViewSonic P N Ref P N Location Universal number 1 Adapter Remote Control Power Power Cord German wall 1 83M BL
5. 4409 10N ITUOG MITA T9 9 5 IR PCB TOP VIEW 4409 10N ITUOG MITA 9 9 6 IR BOTTOM VIEW 9 7 P BUTTON VIEW 102 JON v9 3IUOS MITA 4409 10N onuapifuo 31U0S MITA 9 9 8 P BUTTON PCB BOTTOM VIEW 10 Exploded View Exploded Parts List KEYPAD PCB ASS Y N3250wb 1G Confidential Do Not Copy 66 ViewSonic Corporation LCD PANEL 49 48 50 CNS2
6. 00008342 234 E 00008342 234 234 S 2346147396P CS 0603 X7R S0V 0 0474 T 10296P CHIP TEMPERATURE 125C 5 0603 00 50 1000 J T 2346147396P CS 0603 X7R S0V 0 0474 C 47396P CHIP CS 0603 X7R 50V 0 047u K T 2346147396P CS 0603 X7R S0V 0 0474 00008342 2346110496P CAP CHIP CS 0603 X7R S0V 018 T 2336347713P MINI ELE 105 470w 16V 8 9 50 E 0000834 2346110496P CAP CHIP CS 0603 X7R S0V 018 T 2336610613P MINI ELE 105 EC 10 50 5 7 25 E 0000834 2346110496P CAP CHIP CS 0603 X7R S0V 018 T 2336347713P MINI ELE 105 470w 16V 8 9 50 E 0000834 2346110496P CAP CHIP CS 0603 X7R S0V 01 T 2336610613P MINI ELE 105 EC 100 50 5 7 25 0000834 2346110496P CHIP CS 0603 7 50 OluK T E 0000834 2346110496P CHIP CS 0603 7 50 OluK T E 0000834 2346110496P CHIP CS 0603 7 50 OluK T 2336347713P MINI ELE 105 C 4700 16 8 9 P 5 0 T E 0000834 2346110496P CHIP CS 0603 X7R 50V OluK T E 0000834 2346110496P CAP CHIP CS 0603 7 50 0 K T 00008342 234 DI AIH
7. SYSTEM D K B G I L 17 38 90 38 90 38 90 38 90 33 95 Colour 34 47 34 47 34 47 34 47 38 38 Sound 1 32 40 33 40 32 90 32 40 40 45 Sound 2 33 16 NICAM 33 05 33 05 32 348 33 05 39 80 CHANNEL COVERAGE BAND FREQUENCY Low 48 25 to 160 00 MHz Mid 160 00 to 442 00 MHz High 442 00 to 863 25 MHz 17 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 5 Adjusting Procedure 1 Function Test 1 1 Product 32 LCD TV 1 2 Test Equipment signal generator CHROMA 2525 CARD CHROMA 2327 or 2329 Pioneer DV S969AVi TV and Video signal generator Color analyzer MINOLTA CA210 Power meter CP 310A or CP 320A AC power supply transformer 110V 120V 10 60Hz 5 220 240 10 50Hz 5 Digital ammeter 1 3 Test Condition 1 Approximately 30 minutes should be allowed for warm up before proceeding 2 Adjustments should be undertaken only on those necessary elements since most of them have been carefully preset at the factory 3 ESD protection is needed before adjustment 1 4 Test Display Modes amp Pattern 1 4 1 EEPROM INIT A Timing 1280X1024 60Hz B Pattern Cross hatch C Switch off the power and press the and enter key simultaneously and switch on the power At this time we can enter into the factory mode D Select the EEPROM INIT item and press to reset the EEPROM 1 4 2 COLOR TEMPERATURE
8. Manual ViewSonic N3250wb 1G Model No VS11752 1G 32 LCD TV N3250wb 1G_SM Rev 1 2007 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Copyright Copyright 2007 by ViewSonic Corporation All rights reserved part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of ViewSonic Corporation Disclaimer ViewSonic makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes Trademarks Optiquest is registered trademark of ViewSonic Corporation ViewSonic is a registered trademark of ViewSonic Corporation All other trademarks used within this document are the property of their respective owners Product disposal at end of product life The lamp in this product contains mercury Please dispose of in accordance with local state or federal laws Revision History Revision SM Editing
9. HESSE 28 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 3 3 5 Input bar code HA 3 3 6 Press ENTER key then the successful picture is as follows DDC DOWNLOED 3 3 7 Exit program ViewSonic Corporation 29 Confidential Do Not Copy N3250wb 1G 4 HDMI DDC Key In Procedure There are three EDID files for the different HDMI connectors So you must be download the different EDID into each HDMI connector 4 1 Equipment Needed N3250WB G LCD TV PC RS 232 cable Barcode Reader HDMI Cable N3250WB G LCD TV RS 232 Cable HDMI Cable Barcode Reader 4 2 Setup Procedure 4 2 1 Connect HDMI Card and DDC Card with RS 232 cable 30 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 4 2 2 Barcode Reader connects with keyboard PC keyboard port 4 2 3 Connect DDC Card and N3250WB G LCD TV with HDMI Cable 4 2 4 Connect Power Cord to N3250WB G LCD 4 3 DDC Key In Procedure 4 3 1 Run DDC exe 43 2 Choose model number then
10. AUDIO ONG EEMUTE S A e e PANEL ONOFF RARA 0 181 MDATAS 0163 PANEL ONOFF 00 2 ON PBACK LED R p MDATAS DIGS D 7 s gt we RA AD3 MDS 0166 TG Q0 POWER 0168 Dr ADT Pa POWER ON SED AUDIO ADS MD11 0168 P13 SEL AUDIO AD6 MD12 Fra AUDIO EN Pe MDATA13 MD14 MDATA 0 15 12 FLSHWEZ IVD02 MD15 FLSHOEZ VD03 LEE MCLK P12 FLSHAONVD04 MCLKZ MCLKZ P12 FLSHA1 VD05 MCLKE 128 CKE P12 FLSHA2 VD06 MVREF FLSHA3 VD07 2122 5955 DQM P12 FLSHA4 VDOB paso 122 551 0050 Pi2 FLSHAS VD09 basi 100 RAST 0051 P12 FLSHAG VDCLK RASZ 100 RASZ P12 CASZ CASZ P12 WEZ 4358 car WEZ P12 INTERFACE GAR SRPT7KX4 dien BADRI 129 SBAO SU EE Mag AR O 11 P12 MAS MAB MA7 8588 MAS MA5 LED EDF R85 A A An SLEDS GLED 5555 LED EDD R506 AA 0 DI RLED P13 5555 2222 25 MA2 EE Ki cca aos gag 888855882225 Q 222222222222222 888822228266 666666666666666 x C387 P4 P789 12 SDA RIB Z VGA P79 12C_SCL 33 vas vaa vaa R362 100 IR SYNC IR SYNC P13 PWM3 1 R363 R364 R365 R366 Si I 10K NC t0K NC t0K 10K TP14 DE 9 P2 Eau PWM2 PWM3
11. 12 BL ON OFF 9103 o BH 118 4 7K POWER_ON MMBT3904 CON 2 5mm 12 23 1102 1103 E R114 R201 0805 6A MMBT3904 20 09056 NC 47K C113 C114 7 2 DC INPUT 0 1U V25MVDD 000U 16V LowESR o 2 5MVDD s gt gt V25MVDD P11 12 Eie lt 110 C111 T 200 16 D 1U in 20 16 1U AIC117 2 5V SOT223 cca 5YSB V33 1102 S Vcc3 3for x 42 5MVDD DDR for VDDM 4 2 L 106 112 D C122 115 L DS V25MVDD 117 132 i E 3V3AVDD A 1104 R201 0805 d P144 4 2 100 50 AIC117 3 3V SOT223 124 C125 C127 123 116 _ 117 C118 C119 6126 1 129 AU 0 1U 0 10 Agi 220U 16V 470U 16V SI 2200 1 T AIC117 3 3V SOT223 C128 U 200 16 k Vcc3 3for Pin97 162 digital 180 196 V33 209 223 VDDP 3 3AVDD for 3 3AVDD for 237 252 VCC1V8 AVDDA AVDD DVI L106 R201 0805 Rs n x c Pin36 Pin6 12 WAY 1 105 201 0805 6 3V3AVDD AVDDA 3V3AVDD AVDD_DVI C13 C145 9 6136 gt 130 134 _ 6135 Lea 1107 08 08
12. 9 101 P114 113 gt POWER A 115 26 27 32 37 Misin board X4UIC C 45 PSES 46 eE SWITCH PE P701 9 c 52 POLIO IR PCB ViewSonic Corporation 67 Confidential Do Not Copy N3250wb 1G EN SS EXPLODED PARTS LIST N3250wb 1 ViewSonic Model Number VS11752 1G Rev 1 Serial No Prefix QMX Ref P N 24278003 33152200 32202502 80006900 44272801 84730082 71986000 82740082 84740102 71887400 82740082 80003700 80003700P 72050905 82630 72050708 82630 84730 82630 80004900 27269601 83630068 80040062 71800300 71972 82630 27268 44272 84730 82630 84730082P 22273102 71887500 84730062P 28557202 718754 837401 28260102 84740082P 82750 398023 84740104 82340082P 05900 07 06 04 14 gt gt gt gt 91792177 9 9 N 9 M SCW 0824 0285 M SCW 0824 0123
13. 9435 50 8 STM9435 SO 8 SamHop N A N A 2360502796P P CH SMD 24192001499 CONT BLOCK SPP9435S8RG SOP 8P SYNC ViewSonic N3250wb G China N A N A E 00003534 E D 0403 1892 2363704800P LED 2364600496P DIODE SWITCH SMD 2363600696P DIODE SWITCH 2364200896P DIODE RECT SMD LED 39 BLU ORG MM4148 SOD80C RLS4148 T11 LL 34 BAS32L SOD80C PHILIPS GRANDE 00003830 000035 2364601396P DIODE SWITCH SMD 2364600496P DIODE SWITCH SMD DIODE SWITCH 1N4148W 7 F SOD 123 DIODES MM4148 SOD80C GRANDE RLS4148 T11 LL 34 E D 0403 DIODE RECT SMD BAS32L SOD80C PHILIPS E 000038 D 0403 1779 DIODE SWITCH SMD 2364503996 DIODE ZENER SMD 1N4148W 7 F SOD 123 DIODES BZV55 C5V6 5 SOD 80C P D 0403 2808 D 0403 1666 D 0403 1779 D 0403 2808 2364505616 DIODE ZENER SMD 2364500396P DIODE ZENER SMD 2364503996P DIODE ZENER SMD p 2364505616 DIODE ZENER SMD TZMC5V6 SOD 80 5 2 6 0V V RLZS 6B 5 45 5 73V LL 34 BZV55 C5V6 5 SOD 80C TZMCSV6 SOD 80 5 2 6 0V V E D 0403 2364500396P DIODE ZENER SMD 2364503996P DIODE ZENER SMD RLZS 6B 5 45 5 73V LL 34 BZV55 C5V6 5 SOD 80C E D 0403 E D 0403 2 2364505616P DIODE ZENER SMD 2364500396P DIODE ZENER SMD TZMCS5V6 SOD 80 5 2 6 0V RLZS 6B 5 45 5 73V LL 34 D 0403 2 2364503996P DIODE ZENER SMD 236450
14. CHIP CS 0603 7 50 OluK T C109 2336322713P MINI ELE 105 C 2200 16 8 7 5 0 108 23353108122 ELE LOW ESR 105 C 1000u 16V 10 20 5 0 C107 CS 0805 7 25 1 00 00000999 MINI ELE 105 C EC 47wl16V 5 7 P 2 5T CS 0805 7 25 1 00 T 00008342 2346110496 CS 0603 X7R 50V OluK T C103 2336322713P MINI ELE 105 C 220u 16 8 7 5 0 C102 00008342 2346110496P CHIP CS 0603 X7R 50V C101 00008342 ___________ 2346110496 CAP CHIP CS 0603 7 50 O lu T C100 00008045 2005100500 R03UG 1 5 AAA TOSHIBA B901 2 tr m 20634513000 ADHESI SHEET JC186H PVC 7 5X7 5X3t 9R81 2072257200P HEAT SINK JP166K AL28 28 8H 9 01 2056631001 SERIAL LABEL 42mmX6 5mm PAPER 6P87 LB 0813 0862 2056606025 SERIAL LABEL VS CN WARRANTY CARD SN STICKER 6P83 2002370032 GUARANT CARD VIEWSONIC WARRANTY CARD C TV 6P82 DC 00008435 2002310666P GUARANT CARD VIEWSONIC N3250WB G QSG 6P81 DC 00008434 2001131777P OWNER GUIDE N3250Wb G VS11752 1G CHINA 6P80 00008477 2013054013 950LX400WX1200H 0 08 6 70 00005968 2013054007 870 800 HDPE BAG 6P60 A A A P 00008064 2013228807 200
15. 1 R368 R369 R370 R371 i 10K 10K NC t0K 190 lee Mode Selection MCU_CONFIG 3 0 1001 s SA JE 2150 SPI Flash Internal MCU CLK NX SPI CLK NX Q R374 10K SPI WP sok 5 10 SPI EE EE ME J 8376 10K vss RIZ IR SPLDI 54 PM25LV040 SO8 Confidential Do Not Copy N3250wb 1G 8 10 DDR SDRAM 12 DDR SDRAM P11 MDATA O 15 lt gt 15 V25V DMC V25V DMQ O O DDR 128Mb TSOP66 RP100X4 RP12 RP100X4 RP13 RP100X4 RP14 RP100X4 MDATA12 a a MDATA13 MDATA2 MDATA14 MDATA1 MDATA15 5 5 8378 100 __ 0050 0051 8379 100 DQM _ 8380 100 11 11 WEZ CASZ R38 100 DOM P11 SBAO P11 SBA1 11 MCLK P11 MCLKZ S MCLK R38 150R 196 CKE ARTI DQM SBAO ARO E 5050 SBA1 ARS oer 5051 AR10 11 0981 7 P11 CKE ARI ARS ARS P141 ARS P11 CASZ P11 DASZ V25MVDD V25MVDD V25V DMC P2 11 V25MVDD gt C392 HY5DU281622ET 5 200MHz 8x16 2 5V MOSEL V58C2128164SAT 200MHz 8x16 2 5V YNIX HY5DU561622CT 200MHz 8x16X2 2 5 V25V DMC V25V DMQ gt 29 e e e ViewSonic Corporation Confidential Do Not Copy N3250wb 1
16. 10W 1 0Kohm J 10W 150ohm F T N A E R 0405 6409 E R 0405 6409 2253210196P 2253210196 2253210196 RES CHIP RES CHIP RES CHIP 10W 10W 10W RC 0603 RC 0603 RC 0603 10W 1000 10W 100 ol 10W 1000 E R 0405 6409 E R 0405 6409 2253210196 2253210196 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 100 ol 10W 1000 E R 0405 6409 E R 0405 6409 E R 0405 6411 2253210196 2253210396 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 1000 10W 10 E R 0405 6409 E R 0405 6409 2253210196 2253210196 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 100 ohm 10W 100 ohm E R 0405 6411 E R 0405 6411 2253210396 2253210396 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 10 J T 10W 10Kohm J T E R 0405 6600 E R 0405 6411 2253200096 2253210396 RES RES CHIP 10W 10W RC 0603 RC 0603 Oohm J T 10W 10Kohm J T E R 0405 641 2253210396 2253210196 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 10Kohm J T 10W 1000hm J T 1 E R 0405 6409 E R 0405 6603 2253222096 2253222096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 22ohm J 22ohm J E R 0405 6603 E R 0405 6603 2253222096 2253222096 RES RES CHIP 10W 10W RC 0603 RC 0603 22ohm J
17. 750 470 4 2253247096 2253275096 RES RES CHIP 10W 10W RC 0603 RC 0603 10W 470 750 8 8 0405 70 E R 0405 64 2253247096 2253247096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 470 470 0405 64 E R 0405 64 2253247096 2253247096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 470 10W 470 8 E R 0405 64 E R 0405 70 700 E R 0405 700 E R 0405 700 700 700 700 E R 0405 64 E R 0405 64 2253247196 2253247096 RES RES CHIP 10W 10W RC 0603 RC 0603 10W 470 ohm 47 ohm 2253247096 2253247096 RES RES CHIP 10W 10W RC 0603 RC 0603 47 ohm 10W 470 5 5419 8 E R 0405 64 E R 0405 64 1 1 0 0 1 1 E R 3 3 3 7 7 3 E R 3 E R 0405 6417 3 7 7 7 E R 7 8 7 7 E R 7 9 0 2253247296 2253210296 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 4 7Kohm J T 10W 1 0Kohm J T E R 0405 64 N A 2253210496 RES CHIP ViewSonic Corporation 10W RC 0603 71 10W 100Kohm J T Confidential Do Not Copy N3250wb 1G ViewSonic P N Ref P N Description Location Universal number E R 0405 6409 2253210196P RES CHIP 1 10W R
18. PL CELLONO 75 29 245 JA 2056601301 _ SERIAL LABEL 45X10 PAPER 2504200700P __ 1350 b 2580 27 400 JA 2504500200 FASTENING MASKING TAPE 18M M WIDTH 24 567 2055103600P LABEL WXH 20 2X3 1MM BLANK ROHS 23 2 gt s v ro TE N a gt a NA 50a100800P PLASTICTAPE PL CELLONO 60 2400 2504500200P FASTENING MASKING TAPE 18M M WIDTH 2056670004P SERIAL LABEL 25 7MM ARTPAPER 2504100100P PLASTIC PL CELLONO 13 2501100800P SOLDER M507 YIK SHING TAT 2501900100 FLUX STOP FS 1 2501700200 FLUX GOLF318 YIK SHING TAT 2502500200 CLEANNER CB 95 CLEANNER 2501100700P SOLDER K SHING TAT STICK 750 2501800100P THINNER 5566 01 6 78 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Reader s Response Dear Readers Thank you in advance for your feedback on our Service Manual which allows continuous improvement of our products We would appreciate your completion of the Assessment Matrix below for return to ViewSonic Corporation Assessment A What do you think about the content of this Service Manual Unit Excellent Good Fair Bad Precautions and Safety Notices Specification Front Panel Function Control Description
19. XISTOR PNP R SM MMBT3906LTIG SOT 23 ON R111 R110 E R 0405 6410 2253210296P RES CHIP 1 10W RC 0603 1 10 1 0Kohm R100 E Q 0402 1087 2360301896P XISTOR NPN R SMD MMBT3904LTIG LR 50 23 Q601 E Q 0402 XISTOR MMBT3904K SOT 23 FAIRCHILD N A 2360302196P XISTOR NPN R SM MMBT3904LTIG SOT 23 ON PMBS3906 5 23 PHILIPS E Q 0402 13 2360100396P XISTOR PNP R SM MMBT3906 7 SOT23 VISHAY 2360609496P FET N CH EOL 2N7002G 50 23 Pyramis 2360609096P N CH SMD 2N7002K SOT 23 PHILIPS R109 208 E Q 0402 1624 2360301696P XISTOR NPN R SMD PMBS3904 SOT 23 PHILIPS Q601 E Q 0402 1607 2360100596 XISTOR PNP R SM MMBT3906 NL 50723 FAIRCHILD 2360607696 FET N CH SMD 2N7002 50 23 FAIRCHILD 2360301896P XISTOR NPN RSM MMBT3904LTIG LR SOT 23 PMBS3904 5 23 PHILIPS R108 209 E Q 0402 1180 2360301296P XISTOR NPN R SM MMBT3904 F SOT23 DIODES Q601 N E Q 0402 1607 2360100796 XISTOR PNP R SM MMBT3906 F SOT23 DIODES 2360609496P FET N CH EOL 2N7002G SOT 23 Pyramis 2360609096P N CH SMD 2N7002K SOT 23 PHILIPS E Q 0402 MMBT3904 F SOT23 DIODES MMBT3904K SOT 23 FAIRCHILD N N N N N N MMBT3904LTIG SOT 23 ON MMBT3904LTIG LR SOT 23 R105 N A 2360302196P XISTOR NPN RSM MMBT3904LTIG 50 23 ON Q601 N A 2360100896P XISTOR PNP R SM MMBT3906LTIG SOT 23 ON E Q 0402 2360
20. 22ohm J E R 0405 6603 E R 0405 6410 2253210296 2253210296 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 1 0Kohm J T 10W 1 0Kohm J T E R 0405 6410 E R 0405 6419 ER 0405 6419 2253247296P RES CHIP 1 10W NA B25323919P RESCHIP 1 10W 2253247296 2253247296 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 RC 0603 RC 0603 10W 4 7Kohm J T 10W 4 7Kohm J 10W 390 ohm J T 10W 4 7Kohm J T E R 0405 6419 E R 0405 6600 1 ER 0405 6600 _____ 2253200096 RES CHIP 1 10W E R 0405 6601 2253200096 RES CHIP RES CHIP 10W RC 0603 RC 0603 Oohm J T 10W Oohm J 10W 1 0Mohm J T N A RES CHIP 10W 24Kohm J T E R 0405 6600 E R 0405 6409 2253210196 RES CHIP RES CHIP 10W RC 0603 Oohm J T 10W 1000hm J T E R 0405 6416 _____ 0405 6416 2253233296P RES CHIP 1 10W _____ 0405 641 12253210396P RES CHIP 1 10W E R 0405 6600 2253233296 2253200096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 RC 0603 RC 0603 10W 3 3Kohm J T 10W 3 3Kohm J T 10W 10 J T Oohm J T E R 0405 6417 2253247096 2253275096 RES RES CHIP 10W 10W RC 0603 RC 0603 10W 47ohm J T 10W 75ohm J T E R 0405 7003 E R 0405 6417 2253247096 2253200096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 47oh
21. 31 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 4 3 3 Press ENTER key SERE 4 3 4 Press 4 key 32 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 4 3 5 Input bar code 4 3 6 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 4 3 7 Exit program ViewSonic Corporation 33 DetalSN X OB amp UD060100001 Confidential Do Not Copy N3250wb 1G Packing For Shipping And Disassembly Procedure Packing For Shipping 1 Packing Procedure 1 1 Paste protection film to protect the LCD TV Figure 1 1 2 Put the LCD TV in the PE bag and seal the bag Figure 2 Figure 1 1 3 Put the cushions on the LCD TV Figure 3 1 4 Place the LCD TV into the carton and then Put the other cushions on the LCD TV put all the Figure 2 accessories into the carton At last close the carton and seal it with tape Figure 4 Figure 3 34 ViewSonic Corporation 1 Power Cord 2 VGA Cable 3 RF Cable 4 Cable 5 User s Guide 7 Guarant Card 8 Battery Figure 4 6 Remote contrl Confidential Do Not Copy N3250wb 1G Packing for Shipping View
22. R116 R119 R136 R138 N3250wb 1G Confidential Do Not Copy 43 ViewSonic Corporation 6 3 DISPLAY N3250wb 1G TV model SCART S VIDEO AV NO Check NO NO Check 1115 pin 12 has Check 1117 pin 33 has signal p gt Replace 1118 signal 117 SH has gt Il117I118 RI19 R202 1117 pin 51 gt 1115 R207 Yes Yes Yes YPbPr model Replace X100 Check 1117 PIN197 208 has output signal Replace 1117 Check FFC cable amp LCD Panel Check 1117 pin 41 47 Check R189 R191 R190 R192 Confidential Do Not Copy 44 ViewSonic Corporation 7 Block Diagram KEE 3_ b 5VTuner p 5VSB p vcc P101 1101 V25MVDD 109 5_337 gt 102 gt v33 1103 3V3AVDD gt 104 vcc1v8 Tuner 8 16 DDR A SIE TV CVBS eo 3 3AMP for AD8256 audio AMP 24 04 5VTuner for tuner power HDMI 1 ine VCC for system power HDMI 2 TMDS341 ADJ PWM TMDS 33V for HDMI switch TMDS341 PBACK 5VSB for system standby 5Y Bo suis
23. S 10496P 10496P CAP CHIP CAP CHIP CS 0603 X7R 50V 0 T CS 0603 X7R 50V OluK T E 0000834 10496 ViewSonic Corporation CS 0603 7 50 0 K T 75 Confidential Do Not N3250wb 1G ViewSonic P N Ref P N Description Location Universal number 2341110296 CHIP TEMPERATURE 125 CS 0603 50 1000 7 T C394 E 0000834 2346110496P CAP CHIP CS 0603 7 50 OluK T C393 E 0000834 2346110496P CAP CHIP CS 0603 7 50 Olu T C391 E 0000834 2346110496P CAP CHIP CS 0603 7 50 Olu T C390 E 0000834 2346110496P CAP CHIP CS 0603 7 50 Olu T C387 2341110296P CAP CHIP TEMPERATURE 125 C CS 0603 COG 50V 1000p J T C386 2346110496P CAP CHIP CS 0603 7 50 OluK T C381 0000834 10496 CS 0603 7 50 Olu K T 380 0000834 10496 CS 0603 X7R 50V 0 C379 2333647513P CAP ELE 105 C 4 70 50 5 11 P 0000834 10496 CS 0603 X7R 50V 0 0000834 10496 S R SOV 0 2336610613P CAP MINI ELE 105 C 27096 CHIP TEMPERATURE 125 C CS 0603 COG s0V 2 C373 00008342 23461104966 CHIP CS 0603 X7R S0V 0 C372 2346110496P CHIP CS 0603 X7R S0V 0 C371 2336610613P MINI ELE 105 C 10u 50V 5 7 P 2 5T C370 2346110496P CHIP CS 0603 X7R S0V OluK C309 0000834 2346110496P CHIP
24. 224 25 230 75 262 25 30 646 654 647 25 653 75 685 25 7 9 231 239 232 25 238 75 270 25 31 654 662 655 25 661 75 693 25 7 10 239 247 24025 246 75 278 25 32 662 670 663 25 669 75 701 25 7 11 247 255 24825 254 75 286 25 33 670 678 671 25 677 75 709 25 7 12 255 263 25625 262 75 29425 34 678 686 679 25 685 75 717 25 Z 13 263 271 26425 270 75 302 25 35 686 694 687 25 693 75 725 25 Z 14 271 279 272 25 27875 310 25 36 694 702 695 25 701 75 733 25 Z 15 279 287 280 25 286 75 318 25 37 702 710 703 25 709 75 741 25 Z 16 287 295 28825 294 75 32625 38 710 718 711 25 717 75 749 25 Z 17 295 303 296 25 302 75 33425 39 718 726 719 25 725 75 757 25 Z 18 303 311 30425 310 75 34225 40 726 734 727 25 733 75 765 25 7 19 311 319 31225 31875 350 25 41 734 742 735 25 741 75 773 25 7 20 319 327 320 25 326 75 358 25 42 742 750 743 25 749 75 781 25 7 21 327 335 32825 33475 366 25 43 750 758 751 25 757 75 789 25 7 22 335 343 336 25 34275 374 25 44 758 766 759 25 765 75 797 25 7 23 343 351 34425 350 75 38225 45 766 774 767 25 773 75 805 25 Z 24 351 359 35225 358 75 390 25 46 774 782 775 25 781 75 813 25 Z 25 359 367 360 25 366 75 398 25 47 782 790 783 25 789 75 821 25 Z 26 367 375 368 25 374 75 406 25 48 790 798 791 25 797 75 829 25 Z 27 375 383 376 25 382 75 41425 49 798 806
25. 23 FAIRCHILD Q601 2360100696 XISTOR PNP R SM PMBS3906 SOT 23 PHILIPS P A A A A A A A 2360607696 FET N CH SMD 2N7002 50 23 FAIRCHILD E Q 0402 2360301696 XISTOR NPN R SM E Q 0402 2360301296 XISTOR NPN R SM A gt o 375 607 607 75 087 624 180 608 087 624 0 0402 1180 23603012966 5 NPN R SM 0402 1608 2360300896P XISTOR NPN R SM 087 624 180 608 087 624 180 608 607 607 75 Ni 2360100896P XISTOR PNP SMD MMBT3906LTIG SOT 23 ON E Q 0402 13 2360100396P XISTOR PNP R SMD MMBT3906 7 SOT23 VISHAY gt 72 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G ViewSonic P N Ref P N Description Location Universal number 2427701893 RCA 3P Y R W 2562826 1 8M BLK 954 00006023 2427751801 RG59U M M L 1 83M BLACK P953 2427501187P CABLE D15 D15 20276 3 6 1 83M BLACK P952 RA CB 00005507 2427501195P CABLE D15 D15 20276 4 5 1 83M BLACK P952 RB 2427130047P AC POWER CORD GERMAN WALL 1 83M BLACK P951 24 24 4 N A 07001800P SOCKET ASSY INLET 5P CONN 1015218 L 90mm P801 N A N A 04301101 CONNECTOR JST PH 2P SIDE P 2 0 OR EQUAL P751 24274120222 WIRE HARNESS 12 12P H H 1007424 L 26
26. 799 25 805 75 837 25 72 28 383 391 384 25 390 75 42225 50 806 814 807 25 813 75 845 25 72 29 391399 39225 398 75 430 25 51 814 822 815 25 821 75 853 25 7 30 399 407 400 25 406 75 438 25 52 822 830 823 25 829 75 861 25 Z 31 407 415 408 25 414 75 446 25 53 830 838 831 25 837 75 869 25 7 32 415 423 416 25 422 75 454 25 54 838 846 839 25 845 75 877 25 Z 33 423 431 424 25 430 75 462 25 55 846 854 847 25 853 75 885 25 Z 34 431 439 432 25 438 75 470 25 56 854 862 855 25 861 75 893 25 7 35 439 447 440 25 446 75 478 25 20 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 1 5 TV receiving test 1 5 1 TV SIGNAL TEST ITEM CENTRALISM TRANSMITTING SIGNAL CHECK CONTENT CHANNEL FREQUENCY SET CONTENT ORDER MHz PATTERN SOUND P S dB CONTENT PO PAL I 45 75 MONO SCOPE FM Mono 5 ELECTRIC SWEEP TONE ABNORMITY SOUND P1 SECAM L 55 75 COLOR NicamStere 2 10 SOUND PICTURE P2 SECAM L 160 00 MONO SCOPE 1 10 NOISE LIMITED 400H2 SENSITIVITY P3 PAL D K 440 25 Full White 100 Nicam Dual 10 SOUND PICTURE P4 PAL B G 471 25 Dem Nicam Stereo 2 16 STEREO FUNCTION 5 I 603 25 MULTIBURST NicamDual 10 DUAL FUNCTION P6 PAL B G 855 25 Color Bar Nicam 10 SOUND VIDEO Stereo 2 P7 PAL D K 863 25 MONO SCOPE FMMONO I 10 NOISE LIMMITTED 400Hz SENSITIVITY TV TEST METHOD Examines sound by ear
27. ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 52 Handling and Placing Methods Correct Methods Incorrect Methods Only touch the metal frame of the LCD panel Surface of the LCD panel is pressed by fingers or the front cover of the monitor Do not touch that may cause Mura the surface of the polarizer b qg Take out the monitor with cushions Taking out the monitor by grasping the LCD panel That may cause Mura ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Place the monitor on clean and soft foam pad Placing the monitor on foreign objects That could scratch the surface of the panel or cause Mura ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 2 Specification Parameter Specification a Si TFT Active Matrix Wide Color Transmissive Mode Normally LCD Type Black LCD Interface 1 Channel LVDS Resolution Native WXGA 1366 x 768 Display Area 32 diagonal 697 68 H x 392 25 V Pixel Pitch 0 51075 H 0 51075 V mm Viewing Angle H 85 V 85 with CR 10 Point 5 Contrast Ratio 1200 1 Typ 800 1 Min Brightness 500 nits Typ 400 nits Min Response Time 8ms Typical g g Color Gamut NTSC 75 Typ Brightness Uniformity 7596 Chromaticity CIE1931 9300K Standard Mode Only Colors 16 7M Surface Treatment
28. 350 0 03 mm LDPE B5 6P86 P 00004497 2011100017 CARTON BOX 360X220X50mm WXDXH BOX B 6P85 A A NI 2055135268 LABEL N3250Wb G VS11752 1G CPT CHINA 6P50 2063302100P PROTECTOR 735x430x0 075mm 32 6P30 00008438 2012199970P POLYFOAM JC328RV VE EPS DOWN L 6P23 00008437 2012199960P POLYFOAM JC328RV VE EPS DOWN R 6P22 00008436 2012199950 JC328RV VE EPS TOP L 6P21 P 00008435 2012199940 JC328RV VE EPS TOP R 6P20 LB 0813 0864 2056606009 SERIAL LABEL VIEWSONIC SERVICE STICKER G 6P15 LB 0813 0959 2055613392 LABEL VSC HIGH VOLTAGE WARNING LABEL 6P14 LB 0813 0530 2055617101 LABEL 10 20 HI POT TESTED OK 6P13 M LB 0813 0863 2056606010 SERIAL LABEL VIEWSONIC BOX STICKER G 6P12 LB 0813 0856 2055613379 LABEL VIEWSONIC CONTAINER LABEL 6 11 LB 0813 0984 2002201323 DISPLAY CARD VIEWSONIC CRT QUALIFIED LABEL 6P09 A 2055636075 LABEL N3250Wb G VS11752 1G SMA11 LABEL 6 05 2055613507 LABEL VIEWSONIC HDMI STICKER 427C 43X12 5mm 6P04 2055632260P LABEL N3250Wb G VS11752 1G G CPT 6P02 P 00008488 2011132802P CARTON BOX VIEWSONIC N3250Wb G 511752 16 6P01 2039802304P __ PAD CR 16 5X7 3 BLACK 5B09 2082750402 SCREW BND M5X40 M P ZN CC 5808 ULTIPLE MATCH 2084740082 SCREW BND M4X8 BND T 5805 PL 00008143 2028260102 STAND 26 5 94 5804 HW 00008152 2083740122 SCREW BN
29. M SCW 0824 0811 M SCW 0824 081 1 N N N N N N N N N N N N N N N N N 0 0 0 9 9177 gt t2 E J t2 E M SCW 0824 0285 M SCW 0824 6719 008476 2 ce 9 9 9 U U U gt c C 0 HW 00008057 008475 oo U M SCW 0824 0285 N M2 U M SCW 0824 6719 M SCW 0824 0285 M SCW 0824 0812 N N N N N N ro t U 9177 HW 00008151 HW 00008152 PL 00008143 HW 00008160 N U E gt c 9177 9 E gt O 50 zz CB 00008244 CB 00008247 CB 00008248 0 2427412023 2391315001P 01 7391315002P 01 id 9 x E 9 9 0 0 9 274 N x E i N ViewSonic Corporation gt gt gt gt lt RIO U U U U 32R ABS HB G L BLACK d 32R GE LExAN 121R BR2DOS21 426C 1 FRONT BEZEL IR COVE GRIL SCREW CTIO EW B TAL E SCREW B SCREW B SCREW 5
30. Phase To adjust delay time of phase in order to reduce the noise of picture ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Colour Mode adjust colour temperature 1 Press 4 to get into Colour Mode 2 Use 4b to select between Normal Warm Cool and User 3 When select User it allows you separately adjust the colour of red green and blue Reset Press ENTER to reset all the settings in PC page Note When input source is HDMI PC the controls of H Position V Position Clock and Phase are disabled OSD Menu To setup OSD window It is active in all input sources OSD H Position To adjust the OSD horizontal position with lt gt V Position To adjust the OSD vertical position with lt gt Duration To automatically shut off the OSD after a preset period of time passed Use 4 to preset the time from 5 to 60 seconds Reset Press ENTER to reset all the settings in OSD page ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 4 Circuit Description Video The MST96889LD is a high performance and full integrated IC for multi function LCD monitor TV with resolution up to SXGA W XGA It is configured an integrated triple ADC PLL an integrated DVI HDCP HDMI receiver multi standard TV video and audio decoder a video de interlacer a scaling engine the MSTARACE 3 color engine an on screen display controller
31. SCREW SP i D ca I 95 N tr lt rH D m Es gt ca D t Hw Sc G I O SCRI ETAL F SCRI C CR SCREW SP DUST COVI SCRI 5 lt I G I O co I 3 p EW BND I z 0 T z ca U T Es gt 32V ABS HB BLACK 4001 WER KEY ABS HB AL PLATE BND 14 mm 1 6 7 4U C BND T 2R PANEL R L SECC T 1 0mm 14X8 BND SZZTEROOLA 3 6L MSWRIT FZMYI 3 4 0 5 3 4 0 5 2 8 3 4 0 5 WITH PVC TUBE TALE SCR ST COVE CTION KEY SCREW BND T SCRI SCREW BND BI BACK n rH Q lt 11 gt R SCR X D T 2 isle e Hd BRA REW B STA SCREW B EW B T PAD SCREW B SCREW CS SCREW SPE HAR CH gt D T D T le ca ca t D T A ESS ESS ESS ESS ESS RE HARNESS PEAKER ASS Y SPEAKER ASS Y F gt gt gt
32. in conjunction with the front panel adjustments The following tables list the OSD functions supported by N3250WB G OSD Table for N3250WB G ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Items Description VIDEO MODE Contrast Adjust the White levels from 0 to 100 Brightness Adjust the Black levels from 0 to 100 Colour Adjust the color from light to heavy Tint Adjust from Red to Green Sharpness Adjust the Sharpness levels from 0 to 100 Fresh Tone Adjust the skin from shallow to deep Color Temp Select the color temperature between warm Normal or cool Reset Reset Picture Function setting Bass Adjust the Low Frequency from light to heavy Treble Adjust the Hi Frequency from light to heavy Balance Adjust the Speaker output from left to right Equalizer To adjust the Equalizer Function setting Reset Reset Sound Function setting Auto scan To auto scan the TV channels TV or CATV and scan TV system Manual store To adjust the channel search and fine tune or system select Main source To select input source H position To adjust H position V position To adjust V position OSD Language To adjust the OSD Language select Reset Reset Option Function setting PC MODE Auto adjust Automatically adjust the clock phase position and color Contrast Adjust the White levels from 0 to 100 Bri
33. whether the sound does have mechanical resonation and the electrical unusual sound and image to sound disturbance B P land Check sound and picture C P2 Examines whether the sound does receive the image disturbance Judgment basis Whether there is unusual sound input signal LEVEL lt 36dBu and STEREO SENSITIVITY is normal D P3 Under main sub main sub mode check sub function E P4 Examines whether the sound does receive the image disturbance Judgment basis Whether there is unusual sound P5 Check of close caption Input signal level lt 45dBu G P7 Adjustment attenuator If the critical point of the change of the image signal to noise ratio is under LEVEL lt 60 regards as normally TIMING TABLE FACTORY PRESET MODE ITEM TIMING Pixel Rate H TOTAL H DISPLAY H B Porch H Width H Border V TOTAL V DISPLAY V B Porch Vs Width V Border H V Sync Interlace ITEM TIMING Pixel Rate H TOTAL ViewSonic Corporation 1 25 175MHZ 31 778us 25 422us 1 907us 3 813us 0 318us 16 683ms 15 253ms 1 049ms 0 064ms 0 254ms xls No 5 1024 x768 60HZ 65 000MHZ 20 677us TABLE 3 2 3 4 640 480 60HZ 640 480 75HZ 800 600 260HZ 800 600 75 7 31 500MHZ 40 000MHZ 49 500MHZ 26 667us 26 400us 21 333us 20 317us 20 000us 16 162us 3 810us 2 200us 3 232us 2 032us 3 200us 1 616us 0 000us 0 000us 0 000us 13 334ms 16 579ms 13 333ms 12 800ms 15 840ms 12 800ms 0 427ms 0 607ms 0 448ms 0 080ms 0 106ms 0 064m
34. 10W 10Kohm R608 T R607 RC 0603 1 10W I0Ko R606 R605 N A E R 0405 6411 RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10W 10Kohm RC 0603 1 10W 10Kohm R603 R602 E R 0405 6411 E R 0405 6419 RES CHIP 1 10 RES CHIP 1 10W RC 0603 1 10 4 7Kohm R601 N A N A 2253210396P RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10 10 7 RC 0603 1 10 22Kohm J R565 RC 0603 1 10W 22Kohm R564 hm R563 E R 0405 6411 E R 0405 6600 E R 0405 6409 2253200096 2253210196 RES CHIP 1 10W RES CHIP 1 10W RC 0603 110 Oohm J T RC 0603 1 10 100 ohm J R561 R558 E R 0405 6409 2253210196 2253222396 RES CHIP 1 10 RES CHIP 1 10W RC 0603 1 10W 100 ohm J R557 N A E R 0405 6411 2253210396P 2253222396P RES CHIP 1 10 RES CHIP 1 10W RC 0603 1 10W_ 22Kohm J RC 0603 1 10W 22Kohm R556 RC 0603 1 10W 10 R555 R554 N A 0405 6411 2253210396 2253200096 RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10W 10Kohm RC 0603 10 J R553 R552 E R 0405 6600 E R 0405 6999 2253220396 2253210296 RES 1 10 RES CHIP 1 10W RC 0603 I 10W 20Kohm RC 0603 I I0W 1 0 R544 R540 E R 0405 6410 E R 0405 6410 3 E R 0405 64 2253210296 2253220296 RES CHIP 1 10 RES CHIP 1 10W RC 0603 1 10W 1 0Kohi R539
35. 10W at 10 T H D Distortion 10W at 10 T H D Distortion Speaker Power Output Max Rating Speaker Impedance 60 60 500 mV rms Line In Per Tuner Spec 1 6 V rms Max Impedance 600 ohms 500 mVrms 1096 500 mVrms 10 I1K Hz tone with 25k Hz 1 Hz tone with 25k Hz Line Out deviation at input volume deviation at input volume with non attenuation and with non attenuation and loading with 47k Ohm loading with 47k Ohm Flatness of Amplitude Response 10082 10KHz 3 db at IKHz 3 db at IKHz Total Harmonic Distortion IKHz 1W di 1 Signal to Noise IKHz 1 W 30 dB 40Hz to 15KHz 35dB 400Hz to 20 kHz ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 4 Electrical The following table defines the electrical specification of this product ELECTRICAL SPECIFICATION Power Input Voltage Range 100 240VAC 10 Wide Range Input Frequency Range 47 63 Hz Input Current 2 5 115 1 5A 230VAC Power Supply Inrush in 150A with fully loaded power supply at 230Vac Shall not result in permanent failure of power supply including blown fuse Power Consumption Normal Normal 170 W 200W Max Sleep lt Interference with RF and Video Electromagnetic Compatibility There shall be no visible interference between power supply RF and video signals This appl
36. A Time 1360x768 60Hz B Pattern 16 12 pane C Make sure that Each FUNCTION has one right action 1 4 7 YPbPr S VIDEO AV TV DTV S FUNCTION TEST A Input YPbPr S VIDEO AV TV signal and check B Input PAL D K air channel TABLE 1 for TV channel C Under YPbPr MODE Make sure the 4081 480P 720P 10801 is right 1 4 8 AUDIO FUNCTION TEST A Audio input includes PC AUDIO IN S VIDEO AV AUDIO IN and YPbPr AUDIO IN B Under PC MODE input PC AUDIO signal checks whether the action of AUDIO IN Is right C Under S VIDEO AV MODE input L R AUDIO signal checks whether the action of AUDIO IN is right D Under YPbPr MODE input L R AUDIO signal checks whether the action of AUDIO IN is right E Under HDMI MODE checks whether the action of AUDIO IN is right F AUDIO OUT FUNCTION TEST Under all patterns except PC HDML Y PbPr pattern The Audio output meets active extra speaker examines whether the extra speaker makes the sound 1 4 9 EARPHONE FUNCTION TEST Under PC MODE input PC AUDIO signal determines whether the action of INT SPEAKER output 15 right Meets earphone with the EARPHONE Determined whether the action of EARPHONE output 15 normal ViewSonic Corporation Confidential Do Not Copy N3250wb 1G TV Frequency Table TABLE 2 CHINA Channel PAL D K VIF 38 0MHz SIF 31 5MHz Unit MHz CH Frequency Picture Sound Oscillation CH Frequency Pict
37. CS 0603 X7R S0V OluK T C306 2346147396P CHIP CS 0603 X7R S0V 0 047u T C305 23461473969 CHIP CS 0603 X7R S0V 0 0474 T C302 E 00000999 2336347613P CAP MINI ELE 105 C EC 47u 16V 5 7 25 C301 E 0000834 2346110496P CHIP CS 0603 X7R S0V OluK T C300 2335310812P ELE LOW ESR 105 C 10000 16 10 20 5 0 C296 2346110496P CHIP CS 0603 X7R S0V OluK T C295 E 00000999 2336347613P MINI ELE 105 C EC 47u 16V 5 7 25 C294 E 00008342 2346110496P CHIP CS 0603 X7R S0V OluK T C293 2341133196P CHIP TEMP 25C 5 0603 50 330p J T C241 33196P CHIP TEMP CS 0603 COG S0V 330p J T C240 56196P CAP CHIP TEMP CS 0603 COG S0V 560p J T C239 2341156196P CHIP TEMP 25C 5 0603 50 560p J C238 2333647513P ELE 105 C EC 47u 50V 5 11 P 25T C237 2333647513P ELE 105 C 47u 50V 5 11 P 25T C236 10296P CHIP TEMP 25C 5 0603 COG SOV 1000p J T C235 10296P CHIP TEMP CS 0603 50 1000p J T C234 10296P CHIP TEMP CS 0603 COG S0V 1000p J T C232 102959 CHIP TEMPERAT 25C 5 0603 50 1000 7 T C231 NA 2341156196P__ CAP CHIP TEMPERATURE 125 CS 0603 50 560 C230 33196P CAP CHIP TEMPERATURE 125 C 5 0603 COG 50V 330p J T C229 7513 CAP ELE 105 C 47u 50V 5 11 2 5 C227 56196P CAP CHIP TEMPERATURE 125 CAP CHIP TEMP CS 0603 50 330p J T C
38. Circuit Description Trouble Shooting Flow Chart Block Diagram Schematic Diagrams 1 2 3 4 5 Adjustment Procedure 6 7 8 9 PCB Layout Diagrams 10 Exploded Diagram And Exploded Parts List 11 Recommended Spare Parts List B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content 2 Service Manual Layout 3 The form and listing C Do you have any other opinions or suggestions regarding this service manual Reader s basic dada Name Title Company Add Tel Fax E mail After completing this form please return it to ViewSonic Quality Assurance in the USA at facsimile 1 909 839 7943 You may also e mail any suggestions to the Director Quality Systems amp Processes marc maupin viewsonic com 79 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G
39. Do not place heavy objects on the LCD display video cable or power cord Do not use abrasive cleaners waxes or solvents for your cleaning Do not operate the product under the following conditions Extremely hot cold or humid environment Areas susceptible to excessive dust and dirt Near any appliance generating a strong magnetic field Place in direct sunlight 2 Caution No modification of any circuit should be attempted Service work should only be performed after you are thoroughly familiar with all of the following safety checks and servicing guidelines 3 Safety Check Care should be taken while servicing this LCD display Because of the high voltage used in the inverter circuit the voltage is exposed in such areas as the associated transformer circuits 4 Power Supply Requirements The external AC power operating range shall be from 90 to 264Vac 5 LCD Module Handling Precautions 5 1 Handling Precautions 1 Since front polarizer is easily damaged pay attention not to scratch it 2 Be sure to turn off power supply when inserting or disconnecting from input connector 3 Wipe off water drop immediately Long contact with water may cause discoloration or spots 4 When the panel surface is soiled wipe it with absorbent cotton or other soft cloth 5 Since the panel is made of glass it may break or crack 1f dropped or bumped on hard surface 6 Since CMOS LSI is used in this module take care of static
40. E R 0405 6411 2253210396 2253247396 RES 1 10 RES CHIP 1 10 RC 0603 1 10W 47Kohm J 4 m RC 0603 1 10 2 0 R523 RC 0603 I 10W 10Kohm R522 R521 E 00003527 E R 0405 6600 2253200096 2253200096 RES CHIP 1 10W RES CHIP 1 10 RC 0603 1 10W _ J T RC 0603 110 Oohm J T R516 R515 E R 0405 6600 E R 0405 6410 0 E R 0405 64 2253210296 2253210296 RES 1 10 RES CHIP 1 10 RC 0603 I 10W 1 0Kohm J T RC 0603 1 10 1 0Kohm J T R508 R507 E R 0405 6600 2253200096 2253200096 RES CHIP 1 10W RES CHIP 1 10W RC 0603 110 0ohm J T RC 0603 110 0ohm J T R506 R505 E R 0405 6600 E R 0405 6409 E R 0405 6600 2253210196 2253200096 RES 1 10 RES CHIP 1 10W RC 0603 I 10W 100 ohm J T RC 0603 I 10W _ J T R4 R4 E R 0405 6600 2253200096 2253200096 RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10W 0ohm J T RC 0603 1 10W Oohm J T R4 R4 E R 0405 6600 E R 0405 6600 E R 0405 6600 2253200096P 2253200096P RES CHIP 1 10 RES CHIP 1 10W RC 0603 110 Oohm J T RC 0603 110 Oohm J T R4 R4 E R 0405 6600 2253200096 2253200096 RES CHIP 1 10 RES CHIP 1 10W RC 0603 1 10W 0ohm J T RC 0603 110 Oohm J T R4 R4 E R 0405 6600 E R 0405 6600 E R 0405 6600 2253200096P 2253200096P RES CHIP 1 10 RES CHIP 1 10W RC 0603
41. Not Copy 1128 NC NDS4405 d 0NDS943 5008 484 N3250wb 1G R549 OR for PAL R549 NC for NTSC CPT 32 BEAD NC au 2 O O O 0 O O O O O 9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation 58 22227 um Sib Gip m E 2 1 TRIA 22 ST Oe el e LE We N CH Tr MIN Los 3x 4 J L d E Confidential Do Not Copy N3250wb 1G KL 573 Sek am OH UI gt p m um P 7 E Ce 2 jii US mm Ae IRAN r EE E 16 ie CEN O tr 2 C23 L604 a el EC Re23 38 62 C632 C65 2 9 2 BOTTOM VIEW ViewSonic Corporation 59 Confidential Do Not Copy N3250wb 1G 4409 10N ITUOG MITA 09 9 3 CON PCB TOP VIEW 9DTI qA0SZEN 440 10N 2 31 00SA IA 19 9 4 BOTTOM VIEW
42. Zener_SMD Zener P104 A HDMI19P SE R185 0603 ViewSonic Corporation HDMI 0111 ds C471 MMBT3904 SOT 23 0603 R424 4 7K HDMI HPR188 Aj 4 4 7K 0603 CAB P11 48 Confidential Do Not Copy N3250wb 1G 8 4 Interface 05 YPbPr Interface P105 Pr IN RCA Pb RCA CVBS RCA Y_IN R421 0 YINS Pb_IN R422 0 IN S Pr IN R423 0 PR IN 5 Y RCA Pb IN RCA Pr IN RCA C197 47n PR PH 198 47 gt S P11 gt gt PB P11 SOY ysoy Pi C1 47 PB C203 R19 C203 _ R194 19 C204 _ 75 NC 0P 75 75 204 C20 PH gt Y cand ER pm 47n 47n 199 47 CVBS RCA 47n CVBS1 gt gt CVBS1 P11 VCOM P10 11 NC 1N4148WS L118 47n SV_YO Yo S VIDEO Jack FRONT VIEW NC 330P 2PJ 4018 001 10 11 47 VCOM2 gt 2 S Video Input 1U 0805 Y IN 0 1U Pb IN cee 0 10 Pr IN R211 75 49 Confidential Do Not Copy N3250wb 1G ViewSonic Corporation 8 5 Audio Interface R201 0805 L166 v 06 Audio Interface us AVIS Audio Input 1167 ry gt _R201 0805 Wa 10805 Audio Input 2 IERT 10
43. gt BIN __ D101 BAV99 C175 0 1U GVCC_VGA O R136 100 HS_RGB RGB P11 8137 2 2 VSI R138 100 VS_RGB S gt VS_RGB P11 GVCC_VGA GVCC_VGA R139 2 2K R142 3 3K DDC_SCL TXD R14 amp 0 VGA TX DDC SDA RXD R14 0 VGA RX R150 R15 100 100 GVCC VGA R152 R153 C177 1106 NC 10K 0 0 1U 8 GENE VCLK4 KL sl SCL 4 SpA 5 24C21A R154 NC 10K 47 Confidential Do Not Copy N3250wb 1G P11 Pit Pil PH P11 P11 P11 2 8 9 10 DO TXD Pf BXD X RXD P11 HSI s qis ZS gt gt VSI en 11 8 3 HDMI INPUT 04 HDMI INPUT GVCC HDMI 1 gt gt R_TX2 P11 gt gt R_TX2 P11 gt gt TXi H GTXt 2 TX0 P11 B 0 P11 TXCLK P11 c 2 7 gt P11 GVCC GVCC LZ eo R514 anv LB 4 1124 5 exc H2 NC1 4 1 R285 _ C473 Il R179 SEN SDA MES givccu amp u 5vsB e NC 100K SCL 0 01U NC 47K 47K GND 13 HDMI_CEG es e nc H4 24C22 SMD AASCL1 sci 15 AASDA 5 8181 ay 100 SCL HD eso Lg 1 R182 100 2 SD4 HD Pii 17 90 5 C469 C470 sv a NC 10P ESD 5 Di 19 R183
44. lu K T CS 0603 COG 50V 330p J T N A E 00008342 CAP MINI ELE 105 C CAP CHIP EC 100 50 5 7 P 2 T CS 0603 7 50 OluK T N A E C 0404 4423 22096P CAP MINI ELE 105 C CAP CHIP TEMP 10u 50 5 7 2 5 CS 0603 50 22p J T E C 0404 4423 E C 0404 4423 22096P 22096P CAP CHIP TEMP CAP CHIP TEMP CS 0603 50 22p J T CS 0603 COG 50V 22p J T E C 0404 4423 E 00008342 22096P 2346110496P CAP CHIP TEMP CAP CHIP CS 0603 50 22p J T CS 0603 X7R 50V OluK T N A N A 2349133496 2349133496 CS 1206 7 50 033 T CS 1206 X7R 50V 033 T N A N A 2347122496 2347122496 CS 0805 X7R 50V 0 220 T CS 0805 X7R 50V 022u K T N A N A 2333647513 2333647513 CAP ELE 105 C CAP ELE 105 C EC 4 7 50 5 11 2 5 4 7u 50 5 11 2 5 2347210596 2336610613 MINI ELE 105 C CS 0805 7 25 1 00 T 100 50 5 7 P 2 5T 00008342 2347210596 2346110496 CS 0805 7 25 10 T CS 0805 78 25 LOuKT CS 0805 7 25 1 00 T CS 0603 7 50 OluK T N A N A 2333647513 22496 4 7 50 5 11 2 5 CS 0805 X7R 50V 0 220 T N A 22496
45. 00 ohm J P 0 8 8P4R 1 16W 100 ohm J 0 8 RP12 E R 0405 6409 R 0405 6409 2253210196 2253210196 RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10W 100 ohm J T RC 0603 1 10W 100 ohm J T R638 R637 E R 0405 6600 E R 0405 6600 2253200096 2253200096 5 1 10 RES CHIP 1 10W RC 0603 1 10W Oohm J T RC 0603 110 Oohm J T R634 R633 E R 0405 6411 R 0405 6411 2253210396 2253210396 RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10W 10Kohm J T RC 0603 1 10 10Kohm J T R632 R631 E R 0405 6603 E R 0405 6603 E R 0405 6603 2253222096P 2253222096 2253222096 2253222096 RES 1 10 RES CHIP 1 10 RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10 22ohm J T RC 0603 1 10 22ohm J T R630 RC 0603 1 10OW 22 ohm J T R629 RC 0603 1 10W 22ohm J T R628 R627 E R 0405 6603 E R 0405 6603 N A 2253222096 RES 1 10 RES CHIP 1 10 RC 0603 1 10W 22 ohm J T RC 0603 1 10W 300Kohm J T R626 R613 N A N A RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10W 300Kohm J T RC 0603 1 I10W 300Kohm J R612 R611 N A N A 2253210396P 2253210396P 2253210396P 2253210496P RES CHIP 1 10 RES CHIP 1 10W RES CHIP 1 10W RES CHIP 1 10W RES CHIP 1 10 RES CHIP 1 10 RC 0603 1 10W 300Kohm J T RC 0603 1 10W 300Kohm J T RC 0603 1 10W 10 m RC 0603 1 10W 100Kohm a R610 R609 RC 0603 1
46. 05 1108 0R 0805 0 1U 470U 16 0 1U C132 0 1U AAA 1 AP1084K18A TO263 220U 16V 0 10 47U 16V C146 Ci47 C148 C 38 6141 6142 6143 144 HOU S0V 1 8V Regulator 0150 010 010 010 _ _ 263 100 50 0 10 100 506 14 AU 0 1U 99 146 182 vecive Pinl95 Pin242 VDDG 3 3V for 33V 3 3V for 3 3V for AVDD MPLL 109 8201 0805 4 or AVDD AVDD AU m 194 Pin256 Le Le 156 AVDD MemPLL Pin63 Pin70 AVDD MPLL pos 133 3V3AVDD AVDD SIF 3V3AVDD AVDD AU 470U 16V 3V3AVDD AVDD_MemPLL 1113 201 0805 bau 9 1112 R201 0805 1110 R201 0805 1111 201 0805 AAAS C163 Cp C168 C162 C157 C158 C159 C160 0 1U 470UA6V 0 10 100 50 10U 50V 0 1U 0 10 L JEAN JC328RV14U C 46 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 8 2 VGA Interface 03 VGA Interface R116 C167 47 S RIN R419 G R117 C168 47 gt GIN 47 Cie 47 47 R119 C170 1n R120 470 gt gt SOG R122 75 75 R R123 C171 47n gt RIN m G R125 C172 47 0107 0108 5 6 5 6 Jiivccu amp u 5vsB vse D109 1N4148WS D139 VGA5V 1N4148WS ViewSonic Corporation R127 C173 47 47 gt
47. 07 6 60 23 Top Right EPS Polyfoam P 00008435 2012199940P 6P20 24 Top Left EPS Polyfoam P 00008436 2012199950P 6P21 25 Down Right EPS Polyfoam P 00008437 2012199960P 6P22 26 Down Left EPS Polyfoam P 00008438 2012199970 6 23 27 Polybag P 00008477 2013054013P 6P70 28 Craft Box P 00008488 2011132802P 6P01 29 Plastics Pedestal Plate Rubber Foot Button etc Pedestal Stand PL 00008143 2028260102 5 01 Remark 1 Above listed items are examples supplier can expand the rows to add more necessary items Remark 2 All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN ECR approved by ViewSonic Corporation This is to eliminate repeated cross checks of each item between this version and prior versions ViewSonic Corporation 69 Confidential Do Not Copy N3250wb 1G ViewSonic Model Number VS11752 1G Rev la Serial No Prefix QMX Ref P N 2369102901 Description XTAL OSC BOM LIST N3250wb 1 Universal numbers Q ty 14 31818MHZ 49US 0 1mW 30PF X100 E X 0415 0111 N A 2391315002P 01 2391315001P 01 SPEAKER ASS Y SPEAKER ASS Y 15W 6ohm L L165 W58 H41mm DONGLI 15W 6ohm R L165 W58 H41mm DONGLI W903 W902 N A E 00008286 2212012610P 2200227048P LCD PANEL PCB ASS Y CLAA320WB02 C 217 0 CPT SPI V901 RA 0801 00008414 00008415 2200227045 2202137800 ASS Y BOAR
48. 0mm P717 CB 00008247 27414021 WIRE HARNESS H H 1007428 L 280mm N A 27406009P WIRE HARNESS 2 5 6 H H 1061426 L 350 850mm N A 27407018P WIRE HARNESS 7 TP H H 1007826 L 350mm Ni 04301104P NECTOR JST PH 5P SIDE 2 0 OR EQUAL 2404312130 __ 2RIL TOP P 2 0mm 2046P V JST SIDE P 2 0 OR EQUAL M MS 0808 6354 ___ 2404301105 CONNECTOR JST PH 6P SIDE P 2 0 OR EQUAL N A 2405106000P__ EARPHONE JACK 281 520 04 5770 SINGATRON N A 2405332201P __ JACK D 3 6P WHT RED N A 2407442900P 5 MINI DIN 4P SIDE BLACK N A 2405322201P __ JACK D 2P 4P BLU YEL RED GRN N A 2407640219P _ SOCKET SMD HDMI HMR47 I9P ACON N A 2407640519P _ SOCKET SMD HDMI 4 5200 ACON 2407640319P _ SOCKET SMD HDMI 2HE 51UI NB3_SINGATRON 2407430900 __ DHSB ISFTF7 BLUE 661C LEOCO N A 2404301011P _ CONNECTOR JST XH 12P SIDE P 2 5 OR EQUAL N A 2253300096P RES CHIP RC 0805 8 W 0ohm J T N A 22533000962 RES CHIP RC 0805 1 8W J T 2371115001 1SuH 8 10 UEW_0 5mm 21 5Ts N A 2371115001 COIL CHOKE 15uH 8910 UEW 0 5mm 21 5Ts N A 2371115001 _ COIL CHOKE 1SuH 8 10 UEW 0 5mm 21 5Ts N A 2371115001 COIL CHOKE 15uH 8910 UEW 0 5mm 21 5Ts N A 2379500296P _ BEAD HI CUR Z 120 ohm 0805 1 6 0 N A 2379500296P BEAD HI CUR Z 120 ohm 0805 1 6 0A E L 0407 1533 2371154600 COIL CHOKE R6 20 52uH 09mm 14
49. 1 MST96889 PANEL V25MVDD for DDR 128Mb video audio in PANEL LVDS OUT Was amp for Scaler digital T 3V3AVDD for scaler AVDD AV d SCART 1 VCCIV8 for scaler VDDC SCART 2 12V for audio and panel vcc SCART 1 AUDIO OUT 4 AD8256 iu gt SCART 2 AUDIO OUT RCA AUDIO OUT 4 45 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 8 Schematic Diagrams 8 1 DC POWER 5VSB 5VSB POWER ON rouen ON vec VEG 8275 8102 woe ______ gt P3890 10K 2 4K R105 5 8104 a101 2 1 100K 2 ZC ON_PBACK gt gt Ebor 4 BL OFF ctoz Cum 23 AVDD E AVDD SIF SF Pt1 SS 220096 010 AVDD AU VDO RUP Jii C104 c105 AP9435M MMBT3902 AVDDA PUDE Bn 10 0805 47U 16V GI BH 010 ____ P11 VDDC m PNL PWR 12V 5VSB i ADS MEET AVDD MPLL P11 iii SAR1 High gt OPEN FRAME POWER OFF DO Nem SSAVDD_MemPLL P11 V33 33 R107 PNL PWR 12V pior 9201 0805 R111 R201 0805 6A C107 4 7K R108 8109 0 Le 1000U 16V LowESR 10K 7 R110 0102 106 10 0805 ADJ gt gt ADJ 5 08 OT 10 R112 1K POWER EN 4 7K E 23 11
50. 1 10W 0ohm J T RC 0603 I 10W _ J T R4 R4 E R 0405 6419 83 E R 0405 6600 2253247296P 2253200096P RES CHIP 1 10W RES CHIP 1 10W RC 0603 1 10W 4 7Kohm J T RC 0603 1 10W Oohm J T R4 R423 ViewSonic Corporation 70 Confidential Do Not Copy N3250wb 1G Ref Description Location Universal number ViewSonic P N E R 0405 6600 2253200096 2253200096 RES RES CHIP 10W 10W RC 0603 RC 0603 Oohm J T Oohm J R422 R421 E R 0405 6600 E R 0405 6411 2253210396 2253222096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 10Kohm J T 10W 22ohm J R419 R418 E R 0405 6603 E R 0405 6603 2253222096 2253222096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 22ohm J 22ohm J R417 R393 E R 0405 6603 E R 0405 6419 2253247296P 2253247296 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 4 7Kohm J T 10W 4 7Kohm J T R391 R390 E R 0405 6419 E R 0405 6410 N A 2253210296 RES CHIP RES CHIP 10W RC 0603 10W 1 0Kohm J T 10W 12Kohm J T R389 N A RES CHIP 10W 680 J T E R 0405 6417 RES CHIP 10W 47ohm J T E R 0405 6410 _____ 0405 6410 2253210296 RES CHIP 1 10W 2251215006P RES CHIP RES CHIP 10W RC 0603 RC 0603 10W 1 0Kohm J
51. 1 2 0 22533000966 RES CHIP 1 8W 0805 LSW J RES CHIP 1 8W 0805 1 8 J T E 00003533 2379520196P BEAD HI CURRENT Z 200 ohm 0805 1 2 0 ae Et 96P BEAD HI CURRENT 7 80 ohm 0805 1 6 0 00003533 23795201066 BEAD HI CURRENT 7 200 ohm 0805 1 2 0 I Eros 96P BEAD HI CURRENT 7 80 ohm 0805 1 6 0 E 00008392 2379500196P BEAD HI CURRENT Z 80 ohm 0805 1 6 0 e E 96P Z 80 ohm 0805 1 6 0 E 00008392 2379500196P BEAD HI CURRENT Z 80 ohm 0805 1 6 0 2438000001 SOFTWARE HDCP KEY CODE 2433304020 SHIELDING W10 H10 5 L20mm N 24193016006 BLOCK ECM V38 5VS13F4 ECEL 2419301000P RECEIV BLOCK FM 6038TM2 5AN OPTO N elc oje MD elc oce wi ec elc ala S8 2419301100P RECEIV BLOCK PL IRM0206 A538 LIGHT 2365425496P DIGITAL IC YDA138 55 42 YAMAHA 23653356066 LINEAR IC WM8521HCGED SOIC 14 WOLFSON E 00000916 2360501596P FET P CH SMD AO4405 50 8 AOS 2360501196P FET P CH SMD AP9435GM 50 8 APEC E 00003529 2360501796P FET P CH SMD 9435 SO 8 Anpec N N N N 2360502596P FET P CH SMD STM9435 SO 8 SamHop N N N 2360502796P FET P CH SMD SPP9435S8RG SOP 8P SYNC N 2365100896P MEMORY IC AT24C02N 10SC 851 ATMEL N 2365426086P _ DIGITAL IC M24C02 WMNOTP SO 8 ST N 236510
52. 2253247096 RES CHIP 1 10 RC 0603 1 10W 47 ohm R120 E R 0405 6417 2253247096P RES CHIP 1 10W RC 0603 1 10 47 ohm E R 0405 6419 2253247296 RES CHIP 1 10 RC 0603 1 10W 4 7Kohm R118 E R 0405 64 2253247296P RES CHIP 1 10W RC 0603 1 10 4 7 119 0405 6410 2253210296 RES CHIP 1 10W RC 0603 1 10 1 0 E R 0405 6419 2253247296 RES CHIP 1 10 RC 0603 1 10W 4 7Kohm 9 R117 E R 0405 6600 2253200096 RES CHIP 1 10 RC 0603 1107 J 3321313131 EIER R116 0405 6411 2253210396 RES CHIP 1 10W RC 0603 I I10W 10 E R 0405 6410 2253210296P RES CHIP 1 10W RC 0603 1 10W 1 0Kohm R104 087 2360301896P XISTOR NPN R SM MMBT3904LTIG LR 50 23 Q132 E Q 0402 2360100396P XISTOR PNP R SM MMBT3906 7 SOT23 VISHAY S 91919 R113 R112 N A 2253210496P RES CHIP 1 10W RC 0603 1 10 100Kohm E R 0405 6419 2253247296P RES CHIP 1 10W RC 0603 1 10W 4 7Kohm E 00003527 2253247396P RES CHIP 1 10W RC 0603 I 10W 47Kohm R103 N A 2253224296P RES CHIP 1 10W RC 0603 1 10 2 4 R102 XISTOR PMBS3904 5 23 PHILIPS E Q 0402 XISTOR MMBT3904 F SOT23 DIODES E Q 0402 2360100596P XISTOR PNP R SM MMBT3906 NL SOT23 FAIRCHILD E Q 0402 2360100796P XISTOR PNP R SM MMBT3906 F SOT23 DIODES 2360100696P XISTOR PNP R SM 2360100896P
53. 300896P XISTOR NPN R SM 2360302196P XISTOR NPN RSM E Q 0402 2360301896P XISTOR NPN R SM E Q 0402 2360301696P XISTOR NPN R SM PMBS3904 5 23 PHILIPS MMBT3904 F SOT23 DIODES D MMBT3904K SOT 23 FAIRCHILD MMBT3904LTIG SOT 23 ON MMBT3904LTIG LR SOT 23 53904 5 23 PHILIPS gt gt NIN MMBT3904 F 50723 DIODES N E Q 0402 2360301696P XISTOR NPN R SM E Q 0402 2360301296P XISTOR NPN R 5 MMBT3904K SOT 23 FAIRCHILD N N N N N S O O SI IO IS IO ISIS IO 9 919 915 E Q 0402 2360300896P XISTOR NPN R SM 2360302196P XISTOR NPN R SM MMBT3904LTIG SOT 23 ON N 2 2 2360302196 XISTOR NPN R SM E Q 0402 2360301896 XISTOR NPN R SM 2 2 0 0402 2360301896P XISTOR NPN R SMD MMBT3904LTIG LR SOT 23 E Q 0402 2360301696P XISTOR NPN R SMD 53904 5 23 PHILIPS E Q 0402 2360301296P XISTOR NPN R SMD MMBT3904 F SOT23 DIODES E Q 0402 2360300896P 8 NPN R SMD MMBT3904K 50 23 FAIRCHILD N 2360302196P XISTOR NPN R SMD MMBT3904LTIG SOT 23 ON E Q 0402 2360100596P XISTOR PNP R SMD MMBT3906 NL SOT23 FAIRCHILD ei S E Q 0402 2360100796P XISTOR PNP R SMD MMBT3906 F SOT 23 DIODES 2360100696P XISTOR PNP R SMD PMBS3906 SOT 23 PHILIPS gt R107 E Q 0402 1608 2360300896 XISTOR NPN R SM MMBT3904K 50
54. 5616P DIODE ZENER SMD BZV55 C5V6 5 SOD 80C TZMCS5V6 SOD 80 5 2 6 0V 6 E D 0403 16 E D 0403 D 0403 16 D 0403 17 2364500396P DIODE ZENER SMD 2364503996P DIODE ZENER SMD RLZS 6B 5 45 5 73V LL 34 BZV55 C5V6 5 SOD 80C D 0403 2 D 0403 16 2364505616P DIODE ZENER SMD 2364500396P DIODE ZENER SMD TZMCSV6 SOD 80 5 2 6 0V V RLZS 6B 5 45 5 73V LL 34 RO D 0403 D 0403 2 2364503996P DIODE ZENER SMD 2364505616P DIODE ZENER SMD BZV55 C5V6 5 SOD 80C PHILIPS TZMCSV6 SOD 80 5 2 6 0V VISHAY 0403 16 D 0403 2364500396P DIODE ZENER SMD 2364503996P DIODE ZENER SMD RLZS 6B 5 45 5 73V LL 34 ROHM BZV55 C5V6 5 SOD 80C PHILIPS o D 0403 2 2364505616 DIODE ZENER SMD 2364500396P DIODE ZENER SMD TZMC5V6 SOD 80 5 2 6 0V VISHAY RLZS 6B 5 45 5 73V 11 34 ROHM E D 0403 2364303196P DIODE SCHOTTKY SMD 2364302496P DIODE SCHOTTKY SMD SMI20A SOD 214AC SECOS SMI7 DO 214AC MOSPEC 2364303196P DIODE SCHOTTKY SMD 2364302496P DIODE SCHOTTKY SMD SMI20A SOD 214AC SECOS SMI7 DO 214AC MOSPEC 23646004962 DIODE SWITCH SMD 2363600696P DIODE SWITCH MM4148 SOD80C GRANDE RLS4148 T1l LL 34 00003534 E D 0403 2364200896P _ DIODE RECT SMD 2364601396P DIODE SWITCH SMD BAS32L SOD80C PHILIPS 1N4148W 7 F SOD 123 DIODES 23
55. 5Ts N A 22533000962 RES CHIP 1 8W RC 0805 1 8W ohm J T 3 0A 06P 7 120 ohm 0603 1 3 0 6 8 E 00003533 2379520196P 7 200 ohm 0805 1 2 0 67 2 200 ohm 0805 1 2 0 57 E 00003533 BEAD HI CURRENT Z 200 ohm 0805 2377447996P INDUCTOR CHIP MULTLLAYER 4 7uH 0603 48 E 00003533 2379520 BEAD HI CURRENT 2 200 ohm 0805 46 N A 2371132900 COIL CHOKE JD177P3 0 3 121 5 600uH 45 375512106 _ BEAD HICURRENT Na 2379512106 BEAD HI CURRENT N A 2377422996P INDUCTOR CHIP MULTI LAYER 2 2uH 0603 T 24 N 2377422996P INDUCTOR CHIP MULTI LAYER 2 2uH 0603 T 22 N 2377422996P _ INDUCTOR CHIP MULTI LAYER 2 2uH 0603 T Ni 2377422996P _ INDUCTOR CHIP MULTI LAYER 2 2uH 0603 T Ni N 2377422996P INDUCTOR CHIP MULTI LAYER 2 2uH 0603 T N 2377422996P _ INDUCTOR CHIP MULTI LAYER 2 2uH 0603 T N sim 56 elei elc ec N elc elc elc elc S Rot 96P BEAD HI CURRENT Z 200 ohm 0805 1 2 0 00003533 2379520196P BEAD HI CURRENT 7 200 ohm 0805 1 2 0A e 96P Z 200 ohm 0805 1 2 0A E 00003533 2379520196P BEAD HI CURRENT Z 200 ohm 0805 1 2 0 elc 96P Z 200 ohm 0805
56. 64503996P DIODE ZENER SMD 2364505616P DIODE ZENER SMD BZV55 C5V6 5 SOD 80C PHILIPS TZMCSV6 SOD 80 5 2 6 0V VISHAY 2364500396P DIODE ZENER SMD 2364503996P DIODE ZENER SMD RLZS 6B 5 45 5 73V LL 34 ROHM BZV55 C5V6 5 SOD 80C PHILIPS 6 E D 0403 16 E D 0403 2 6 2364505616P DIODE ZENER SMD 2364500396P DIODE ZENER SMD TZMC5V6 SOD 80 5 2 6 0V VISHAY RLZS 6B 5 45 5 73 LL 34 ROHM E D 0403 23646004962 DIODE SWITCH SMD 2363600696P DIODE SWITCH MM4148 SOD80C GRANDE RLS4148 TI LL 34 ROHM E 0000383 E D 0403 17 3 3 0 E 00003534 E D 0403 0 2364200896P _ DIODE RECT SMD 2364601396P DIODE SWITCH SMD BAS32L SOD80C PHILIPS 1N4148W 7 F 500 123 DIODES 7 8 F 8 8 7 8 7 8 8 8 T 8 8 7 8 E 000038 E D 0403 2364503996P DIODE ZENER SMD 2364505616P DIODE ZENER SMD BZV55 C5V6 5 SOD 80C PHILIPS TZMCSV6 SOD 80 5 2 6 0 VISHAY 66 79 08 66 79 08 66 79 08 66 79 08 66 79 08 66 92 79 08 66 79 08 66 92 79 08 66 E D 0403 2 E D 0403 16 2364500396P DIODE ZENER SMD ViewSonic Corporation RLZS 6B 5 45 5 73V LL 34 ROHM g olg Sos 9 9 9 59 9 9 SS S sS 9 9 S 5 9 SS 9 9 59 9 5 5 5 9 9 5 9 9 9 9 5 5 74 Confidential Do Not N3250wb 1G Ref Description Location Uni
57. 7 1128 0603 AU2AVL AU2AVL C227 4 7U 50V C235 C234 gt 1000 1000 AYER gt gt AULO P11 AUDIO OUT 7 112 121 0603 s AU2AVR C232 C231 1000P T 1000P gt AuNL 5 YPbPr HDMI Au ut C508 4 7U 50V AUINR2 AUR AuR2 P11 YPbPr AUINR im C505 4 7U 50V gt gt AUL2 P11 Earphone output C623 NC 47U 16V R616 7 C624 R617 A NC 47 4 PC_AUDIO PHONE JACK PC AUDIO INPUT NC 10 NC 1K 109 1168 121 0603 236 4 7U 50V C622 17 D I d AURI SSAURI Pi 1 NC 2SJ ST30 003 1169 121 0603 C237 4 7U 50V IY BRA 10K d pn el R 560P gt gt HPL gt gt HPR gt gt 5 50 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 8 6 Audio YDA138 HPL HPL R623 NC 100K t t HPL HP SPK HP SPK HPR vip gpk AUDIO_PW_12V C630 Q 1601 R121 0805 C632 624 R625 NC NC 0 01U ooo UT L602 R121 0805 0 10 NCAK
58. 7296P MEMORY IC 5058 16 5 5 55 66 NANYA 23651073968 MEMORY IC 135128168 5 TSOP 66 ESMT 2365108996P MEMORY IC W25X040VSSIG SO 8 WINBOND N 2365109496P MEMORY IC EN25P40 50HCP SOIC 8 EON A A A A A A A 73 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G ViewSonic P N Ref P N Description Location Universal number 2365109396 2365108696 PM25LV040 100SCE SOIC 8 HT24LC04 SO 8 HOLTEK 119 RC RA 2365903996 2365425896 IC DIGITAL SMD DIGITAL IC AT24C04N 10SU 2 7 508 ATMEL MST96889LD LF LQFP 256 MSTAR 2365104696 2365106896 HT24LC32 SOP 8 HOLTEK AT24C32AN 10SU 2 7 SO 8 AMTEL 2365109096 2416903300 UV TUNER AF24BC32 80 8 APLUS 85 5 TVISION 2416903400 2365101096 UV TUNER MO9WPP 2PS E TCL 24LC21AT SN 50108 MICROCHIP eye nln RB N A 2365335156 B1084CLP 1 8V TO 263 LITEON N A 2365814996P P1084K18LA TO 263 AnaChip N A N A 212 2365810196 2365335536 LINE gt IC1084 18CM 263 7585 1 85 263 AD
59. 82 SCREW BND M3X8 BND T F33 2082630042P SCREW M3 4 0 5 F31 2072050708P __ METAL 32 SECC T 1 0mm X4U C DOWN F30 2082630042P SCREW M3 4 0 5 F29 2072050905P METAL FITTG I O 32 SECC T 1 0mm X4U C RIGHT F28 M SCW 0824 0811 2080003700 SCREW 5 1522 M3 6L MSWRI7 FZMYI 27 SCW 0824 0811 2080003700 SCREW SPE ISZZTER001A M3 6L MSWRIT7 FZMYI F26 2082740082 SCREW BND M4X8 BND F24 2071887400P BRACKET FIX 32R PANEL R L SECC T 1 0mm 1F23 2084740102P SCREW BND T M4X10 BND T F22 2082740082P SCREW BND M4X8 BND F21 20719860000 _ METAL FITTG 32R SECC T 1 0mm 1 6 7 4U C 1F20 2051356500P _ NAME PLATE 24 6 17MM E015 009 W BIRDS PC 14 20513557000 57 9 1 ELECTOR LABEL N3251W F13 SCW 0824 0285 2084730082 SCREW BND T M3X8 BND T F12 2044272801P FUNCTION KEY 32V POWER KEY ABS HB AL PLATE F10 152500P FELT 920 T 0 4mm NO 5000NS 1F07 2080006900 SCREW 5 M4 10MM TYPE 9 1MM F06 451401P BUSHING PTR 45 94HB F05 20322025022 GRILL 32V ABS HB BLACK 4001C F04 A 20331522002 COVER 328 GE LExAN 1218 20052 426 F02 Wa 2024278002P BEZEL 32R ABS HB G L BLACK HDMI FOL 2603607002 __ ASSY 328 6KEY ABS HB 11010 26036 00008474 2603407832 ASSY 32R ABS HB BLACK XAU C 26034 2504251200P __ TAPE 24 50 0 02mm BLUE 30 0 264 2504100900P 8
60. ACK ROHS 00006133 2427130047 951 2 Remote Control Block China 00008153 2419200149 901 3 IPC Board Assembly PCBA ASS Y BLOCK POWER B 00008414 2200227048P 10801 4 ASS Y BLOCK POWER B 00008415 2200227045P U801 5 Main Board B 00008448 6201 7032146331 6 Control Board B 00008449 6202 7032261401 7 Interface Board B 00008450 6206 7032146331 8 Cabinets Front Panel Covers Base Assembly Front Panel C 00008473 2603308307 FOL 9 Back Cover C 00008474 2603407832 2C01 10 Dust Cover C 00008475 2027268801P 55 11 Dust Cover 00008476 2027269601 F36 12 Cables All Cables Cable RCA 3P Y R W 2562426 1 8M BLK CB 00003425 2427701893 954 13 Video IO Cable D15 D15 20276 4 5 1 83M BLACK CB 00005507 2427501195 952 14 CABLE RG59U M M L 1 83M BLACK CB 00006023 2427751801P P953 15 Video Cable Cable D15 D15 20276 3 6 1 83M Black A VC 0101 0386 2427501187 P952 16 Documentation Quick Start Guide CD Rom User s Guide DC 00008434 2001131777 6 80 17 Label Guarant Card DC 00008435 2002310666P 6 81 18 Electronic Components CRT EEPROM Fly Back LCD Panel 32 CPT CLAA320WB02 C E 00008286 2212012610P 901 19 Transformer Microprocessor LCD TV Panel Speaker Left E 00008484 2391315001P 902 20 Speaker Right E 00008485 2391315002P W903 21 Packing Material Foam Bags Accessory Box Carton 360X220X50mm B P 00004497 2011100017 6 85 22 Dag 00005968 20130540
61. ADJUSTING PC MODE Timing 1280X1024 75Hz Pattern 16 gray Set CA110 color analizer at the center of screen and along a perpendicular to the screen at 20cm from the display Press menu key select the OSD page on INPUT SELECT and select MAIN VGA Press menu key change the OSD page to adjust page Press key to select the WHITE BALANCE item in the factory mode and press enter key then the white balance will be auto dadjusted Color temperature verification USER 0 283 0 015 0 297 0 015 qr e 1 4 3 Power Consumption Check MODE A TIMING 1360 x 768 60Hz B Pattern 1010UPRIGHTNESS PATTERN C BRIGHTNESS MAX CONTRAST MAX D The power that each MODE consumed is shown in Chart 1 POWER COMSUMED POWER LED COLOR NORMAL 200W max for 32 BLUE Stand by 3W max RED Chart 1 1 4 4 Check the position of the picture displayed and phase auto adjusting VGA MODE Depend on the TIMING of TIMING TABLE TABLE 3 to switch MODE order stay about 10 seconds each MODE it can changed and stored automatically each ViewSonic Corporation Confidential Do Not Copy N3250wb 1G MODE We can t switch over to the next MODE until AUTO ADJUST disappears 1 4 5 HDMI MODE FUNCTION TEST A DVI MODE Depend on the TIMING of TIMING TABLE TABLE 3 to check MODE in order B HDMI MODE make sure the 4801 480p 720p 10801 TIMING is right 1 4 6 OSD FUNCTION TEST
62. AP ELE 105 C 47u 50V 5 11 P 25T 00008342 CAP CHIP CS 0603 X7R S0V OluK T 00008342 10496 CAP CHIP CS 0603 X7R S0V OluK T 0596P CHIP CS 0805 X7R 25V 104 NA 346147396 CS 0603 X7R 50V 0 047u 1 ________________ 2346147396 CAP CHIP CS 0603 X7R S0V 0 047u 1 A 2346147396P CHIP CS 0603 X7R 50V 0 047u K 1 2346147396P CAP CHIP CS 0603 X7R 50V 0 047u K 1 2346147396P CHIP CS 0603 X7R 50V 0 047u K 1 2346147396P CAP CHIP CS 0603 X7R 50V 0 047u K 1 234 234 E E mm mm to to m mi en lesi fesi fesi fesi fesl S S a 4 4 4 4 4 4 S 7396P CHIP CS 0603 X7R 50V 0 047u K 1 7396P CAP CHIP CS 0603 X7R 50V 0 047u K 1 10296P CAP CHIP TEMPERATURE 125 CS 0603 50 1000p J T 47396P CAP CHIP CS 0603 X7R 50V 0 047u K T 4 4 ale 234 2346147396P CHIP CS 0603 X7R 50V 0 047u 47396P CAP CHIP CS 0603 X7R 50V 0 047u K T 10496P CAP CHIP CS 0603 X7R 50V OluK T 10496P CAP CHIP CS 0603 7 50 0 lu K T 10496P CAP CHIP CS 0603 X7R 50V OluK T 10496P CAP CHIP CS 0603 7 50 0 K T 47396P CAP CHIP CS 0603 X7R 50V 0 047u K T 47396P CAP CHIP CS 0603 X7R 50V 0 047u K T Oo 234
63. C 0603 1 10W 100 ohm J T R182 E R 0405 6409 2253210196P RES CHIP 1 10W RC 0603 1 10 100 ohm J T R181 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J R180 E R 0405 6600 2253200096P RES CHIP 1 10W RC 0603 110 _ J T R153 E R 0405 6409 2253210196P RES CHIP 1 10W RC 0603 1 10 100 ohm J T 5 0405 6409 2253210196P RES CHIP 1 10W RC 0603 1 10 100 ohm J T R150 E R 0405 6600 2253200096P RES CHIP 1 10W RC 0603 1 10W _ J T R149 E R 0405 6600 2253200096P RES CHIP 1 10 RC 0603 I 10W _ J T R146 E R 0405 6416 2253233296P RES CHIP 1 10W RC 0603 1 10W 3 3Kohm J T R143 16 E R 0405 64 RES CHIP 10W 3 3Kohm J T E R 0405 6604 RES CHIP 10W 22Kohm J T E R 0405 6409 RES CHIP 10W 100ohm J T E R 0405 660 RES CHIP 10W 22Kohm J T 4 0405 6409 2253210196 ___ CHIP 1 10W RC 0603 1 10W 100 ohm J T R136 E R 0405 6417 2253247096P RES CHIP 1 10W RC 0603 1 10 470 R127 E R 0405 6417 2253247096P RES CHIP 1 10W RC 0603 1 10 470 R125 _____ 0405 64177 12253247096P RES CHIP 1 10W RC 06031 10W 470 R123 E R 0405 7003 2253275096 RES CHIP 1 10W RC 0603 1 10W 750 E R 0405 7003 2253275096 RES CHIP 1 10 RC 0603 1 10W 750 R122 E R 0405 7003 2253275096 RES CHIP 1 10 RC 0603 1 10W 750 E R 0405 6418 2253247196 RES CHIP 1 10 RC 0603 1 10W 470 ohm 121 0405 6417 2253247096 RES CHIP 1 10W RC 0603 1107 47 ohm E R 0405 6417
64. D 1084518 263 0401 2924 361 2 23658081962 _ LINEAR SM D 2365808396P LINEAR SMD D 2365808496P IC LINEAR SM IC PIII7E33LA SOT 223 AnaChip 117 33 SOT 223 AIC T9162 33CXL RICHTEK SOT 89 gt gt gt zz z 2365807196P IC LINEAR SMD 2365335556P LINEAR IC gt 1117 3 3 SOT 223 ADD 1117 33 SOT 223 APEC E IC 0401 2924 N A 2365808196P LINEAR SMD 2365808396P _ LINEAR SMD PIII7E33LA SOT 223 AnaChip 117 33 SOT 223 AIC gt gt gt 2365808496P LINEAR SMD 2365807196P LINEAR SMD T9162 33CXL SOT 89 1117 3 3 SOT 223 ADD N A N A 2365335556P LINEAR IC 2365808596P IC LINEAR SMD gt gt gt 1117 33 SOT 223 M1117GKCM223 SOT223 CHAMPION 23658117969 IC LINEAR SMD 2365811196P LINEAR SMD z zizi izizziz M1117 2 5ST3 50 222 PIII7E25LA SOT 223 AnaChip N A N A 2365335496P LINEAR IC 2365335546P LINEAR IC 1117 2 55 SOT 223 ADD 1117 25 SOT 223 APEC E 00000916 E 00000915 2360501596P FEIT P CH SMD 2360501196P FET P CH SMD 04405 SO 8 AOS P9435GM SO 8 APEC E 00003529 N A 2360501796P FEIT P CH SMD 2360502596P P CH SMD gt gt gt gt gt eg
65. D SCREW BND T 4 12 BND T 5 03 H 2071875400 JC268FE SECC T 1 2mm STAND 5B02 HW 00008151 20285572022 ABS 94 BLACK 5801 2080005900 SCREW 5 M6 10MM TYPE I BLACK ZN 2 17 20823400822 CSK SCREW CSK 4 8 2 14 2084740104P SCREW BND T M4X10 BND T BLK 2C12 77 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G SCW 0824 0285 2084730082 SCREW BND M3X8 BND T F81 SCW 0824 6719 2082630062 SCREW M3X6 P 0 5 F58 ViewSonic P N Ref P N Description Location Universal number M SCW 0824 0812 2084730062P SCREW BND M3X6 BND T 2C03 SCW 0824 0285 2084730082P SCREW BND M3X8 BND T 57 2044272401 FUNCTIO 32R 6KEY HB AL PLATE F56 2071887500P FIX 32R ARM BRACKET SECC T 2 0mm 2C02 20222731022 CABI BACK 32R ABS HB BLACK X4U C 2C01 A C 00008475 2027268801P DUST COVER 32R 6KEY ABS BLACK MT11010 F55 2082630042P SCREW M3 4 0 5 F52 A A 1 0 VESA SUPPORT W 00008057 BRACKET FIX 62 8 3 4 T 0 5MM WITH PVC TUBE A SCREW SP 4 8 PMS 3 W SCW 0824 0811 SCREW SP ISZZTER001A M3 6L MSWRIT7 FZMYI M3X6 M S TITE F ZN F37 00008476 2027269601P DUST COVER JC32R HB BLACK C X4U C IO SIDE COVER RIGHT F36 A 2080004900P SCREW SP M3 8 T24 F NI F35 M3X6 P 0 5 4 SCW 0824 0285 20847300
66. D DARFON JC328RV P B 1 30 30mm 0801 0703 5 0815 0182 2202126400 22021298000 PC BOARD JC278 KEY B 120 20 1 00 U701 2202529100P MULTILAYER JC328RV14C M B FR4 4 217 130mm 0101 2403702200 BOARD SWITCH 1 206 51 5 9 H 4 3mm 160g 0702 5751 5 0815 0182 5 0815 0182 5 0815 0182 2403702200 2403702200P 2403702200P TACT SWITCH TACT SWITCH TACT SWITCH H 4 3mm 160g TOP H 4 3mm 160g TOP H 4 3mm 160g TOP 5707 5706 5 0815 0182 2403702200 SWITCH H 4 3mm 160g TOP M SW 0815 0182 2403702200 2403702200 SWITCH SWITCH H 4 3mm 160g H 4 3mm 160g TOP 5702 5 0815 0182 E R 0405 6007 2259247208 2259247208 5 5 22592472086 __ RES CHIP NETWORKS 2259247208P RES CHIP NETWORKS RES CHIP NETWORKS R 1 16W 4 7Kohm J P 0 8 1 16W 4 7Kohm J 0 8 1 16W 4 7Kohm J P 0 8 8P4R 1 16W 4 7Kohm J P 0 8 RP19 RP17 RP16 5 E R 0405 6007 E R 0405 6608 R 0405 6608 2259210108 2259210108 5 5 RES CHIP NETWORKS 1 16W 100 ohm J 0 8 8P4R 1 16 100 ohm J 0 8 RP14 E R 0405 6608 E R 0405 6608 2259210108 2259210108 RES CHIP NETWORKS RES CHIP NETWORKS 8P4R 1 16W 1
67. Date ECH Number Description of Changes Editor la 05 15 07 Initial Release Sophia Kao ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 5 1 Precautions and Safety 1 2 EIE IM IL CAP 4 3 Front Panel Function Control 9 4 Circuit Description 1 u uu a H 17 5 Adjustment Procedure pe 18 6 Trouble Shooting Flow Chart ppp nnnn 42 7 Block TER 45 8 Schematic Diagram EE 46 9 PCB Layout Did LC 58 10 Exploded Diagram And Exploded Parts List 66 11 Recommend Spare Parts 1 5 69 ii ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 1 Precautions and Safety Notices 1 Appropriate Operation 6 7 8 9 Turn off the product before cleaning Use only a dry soft cloth when cleaning the LCD panel surface Use a soft cloth soaked with mild detergent to clean the display housing Disconnect the power plug from AC outlet if the product is not used for a long period of time If smoke abnormal noise or strange odor is present immediately switch the LCD display off Do not touch the LCD panel surface with sharp or hard objects
68. G 8 11 amp KEYPAD 13 lIR amp KEYPAD DIG2 DIG2 P11 DIG3 DIG3 P11 DIG4 DIG4 P11 DIGS 0 65 P11 0166 DIGG P11 0167 DIG7 P11 DIGS DIG8 P11 IR SYNC P11 R493 100 IR Y SYNC ViewSonic Corporation 56 Confidential Do Not Copy V33 5VSB BLUE LED gt R388 use 1 2K 2363704800P Green LED gt R388 use 680R R386 R387 2 R388 680 680 1 2K 47 0119 MMBT3906 R389 1K LED 8390 4 7K Q120 C404 C405 Pit RLED gt MMBT3906 47UA6V 0 1U PM LED 83 4 i V33 Y 15 RP16 LED R RP4 7KX4 RP4 7KX4 2 4 407 0162 470 POWER KEY DIG3 0164 0165 0186 Mixx lolo rU i Q N 406 v 3 0 1U 2 gt 0167 0158 gt 3 8393 22 POWER KEY DIG2 N3250wb 1G 8 12 PANEL Interface PANELVCC LVDS SEL 5VSB L179 NC 200 2A PNL PWR 12V 10805 RES CHIP 1 10W 222 0603 253222296 PANELVCC CON 2X15 2mm NC S nn 1075 080 479 Bag 482 000U 35V 2U E050100 E025050 Es dt PNL GND GND 2K C483 10U MMBT3904 025050 23 PNL GND P11 PANEL ONOFF gt RES CHIP 1 10 103 0603 2253210396 2253222296 RES CHIP 1 10W 222J 0603 PNL GND PNL GND 57 ViewSonic Corporation Confidential Do
69. Hard coating 3H Backlight 14 CCFLs Cold cathode Fluorescent Lamp Refer to the panel acceptance criteria specification Note Intermittent and or Display Pattern defects which result in further bright or dark dots will be counted individually against the above specification VS Standard a No Visible Streaking Sag or Smearing artifacts when driven by the specified video cards in the primary mode VGA at 60 Hz and after user adjustment b No image drift or lose fine tune settings due to panel temperature change Note Panel performance characteristics MUST BE met in all display modes inputs at standard test conditions Panel Acceptance Front Screen Artifacts 1 RF Tuner RF tuner of this product shall be provided by LG TAPQ S701D and LG TAPE S701D for PAL SECAM The following table defines this tuner specification RF Input Level 0 15dBmV PAL B G 48 25 to 855 25 MHz for Off Air and PAL D K 49 75 to 855 25 MHz for Off Air and CATV PAL I 471 25 to 855 25 MHz for Off Air and CATV SECAM D K 55 75 to 791 25 MHz for Off Air and CATV PAL SECAM 48 25 MHz to 855 25 MHz RF Tuner Sensitivity S N Ratio at 45 dB un weight PAL 7 8 MHz Maximum SECAM 8 Maximum CVBS Characteristics Video Amplitude Signal 0 7 min 1 1 max V DC Level Sync Pulse Typical 0 35 V Audio Characteristics AF Output Level Measured via LP Typical 0 35Vrms 20 kHz Filter RMS De
70. O When input source is PC HDMI PC YPbPr HDMI HDCP eeng Main Source To select the input source for main screen between TV YPbPr AV S Video PC and HDMI with lt P gt H Position To adjust the horizontal position of the video with lt gt V Position To adjust the vertical position of the video with lt gt OSD Language To select the OSD language between English Simply Chinese and Traditional Chinese with ak Reset Press ENTER to reset all the settings in Option page Note When input source is PC HDMI PC the controls of H Position and V Position are disabled PC Menu to Adjust for PC It is only active in HDMI support PC mode When input source is PC When input source is HDMI PC mode C L A e NENNEN e Phase e Auto Adjust Auto adjust picture s horizontal position vertical position fine tune H Size with lt gt Contrast To adjust foreground luminance of video Brightness To adjust background luminance of video H Position To adjust horizontal position of video V Position To adjust vertical position of video Clock To adjust delay time of clock in order to reduce the noise of picture
71. P 50 0 22u T E 00008342 10496P CAP ELE R S0V OluK T 1000u 35V13 25 5 0 C601 CAP CHIP CAP CHIP CAP ELE 105 C CAP CHIP TEMPERATUR 125 CS 0603 X7R 30V 0 0lu T C510 CS 0603 7 50 0 010 T C509 EC 4 7 50 5 11 2 5 C508 CS 0603 COG 50V 560p J C507 CAP CHIP TEMPERATUR CAP ELE 105 C 125 C CS 0603 COG 50V 330p J T 4 70 50 5 11 2 5 C506 C505 N A N A CAP CHIP TEMPERATURI CAP CHIP TEMPERATURI 125 C E 125 C CS 0603 50 560p J T CS 0603 COG 50V 330p J T C504 C503 E 00008342 233634 CAP CHIP CAP MINI ELE 105 C CS 0603 7 50 0 K T EC 47wl16V 5 7 P 2 T C502 C501 E 00000999 E 00000999 233634 2346110496 CAP MINI ELE 105 C CAP CHIP EC 47u 16V 5 7 P 2 T C500 E 00008342 E 00008342 2346110496 2346110496 CS 0603 7 50 OluK T C498 CS 0603 7 50 0 K T C497 E 00008342 2333622613 2336610613 CAP ELE 105 C CAP MINI ELE 105 C CS 0603 X7R 50V OluK T C485 EC 22u 50V 5 11 2 5 C484 C483 10 50 5 7 P 2 T 2333622613 2333622613 CAP ELE 105 C CAP ELE 105 C EC 22u 50 5 11 2 5 220 50 5 11 2 5 482 2481 00008342 0404 3096 2346110496 2335310812 LOW E
72. S 0603 X7R S0V OluK T C129 es tr N 2336322713P MINI ELE 105 C 220 16 8 7 5 0 C128 E 0000834 2346110496P CHIP CS 0603 7 50 OluK T C127 2336322713P MINI ELE 105 C 220u 16 8 7 P 5 T C126 0000834 2346110496P CHIP CS 0603 7 50 OluK T C125 m m 0000834 23461104962 CAP CHIP CS 0603 X7R 30V 0 lu K T C124 2336322713 MINI ELE 105 C 220u 16 8 7 5 0 C123 2336610613 MINI ELE 105 C EC 10u 50 5 7 2 5 122 N gt NJN NJN gt 0000834 0603 7 50 O lu K T 121 0000834 23461104969 CHIP CS 0603 78 50 T 120 0000834 23461104969 CHIP CS 0603 78 50 T C118 6 0000834 0000834 10496 CS 0603 7 50 OluK T C117 N N gt 2336347713 MINI ELE 105 C 470u 16V 8 9 P 5 0 T C116 E 0000834 2346110496P CAP CHIP CS 0603 7 50 OluK T C115 E C 0404 2335310812P ELE LOW ESR 105 C 1000u 16V 10 20 P 5 0K 14 0000834 2346110496P CHIP CS 0603 7 50 OluK T C113 E 0000834 2346110496P CAP CHIP CS 0603 7 50 0 lu K T C112 NA 336322713 MINI ELE 105 EC 2200 16 8 7 5 0 C111 ________________ 2341110296 TEMPERATURE 125 C CS 0603 COG 50V 1000 J T C110 0000834 2346110496P
73. SR 105 C CS 0603 7 50 0 lu T EC 1000u 16V 10 20 P 5 0K 80 79 0404 4424 2346110396 2336347613 CAP MINI ELE 105 C CS 0603 7 50 0 0lu T EC 47wl16V 5 7 P 2 5 T 7473 7444 00000999 00000999 2336347613 6110496 N n MINI ELE 105 C CAP CHIP EC 47u 16V 5 7 25 CS 0603 X7R 50V OluK T E 0000834 E 0000834 N LA 10496 10496 CS 0603 7 50 0 K T CS 0603 7 50 OluK T E 0000834 E 0000834 E 0000834 Oo 10496P 10496P CAP CHIP CAP CHIP CS 0603 7 50 0 K T CS 0603 7 50 OluK T E 0000834 10496 47196 CAP CHIP TEMPERATURE 125 CS 0603 7 50 0 K T CS 0603 COG 50V 470p J T 0000834 ale 10496P 2336347613 MINI ELE 105 C CS 0603 7 50 0 lu K T EC 47wl16V 5 7 P 2 T E 0000099 E 0000834 N LA 10496 10496 CS 0603 7 50 0 K T CS 0603 X7R 50V OluK T E 0000834 E 0000834 10496 10496 CS 0603 7 50 0 K T CS 0603 7 50 OluK T E 0000834 E 0000834 Oo 10496 10496 CS 0603 7 50 0 K T CS 0603 X7R 50V OluK T E 0000834 E 0000834 E 0000834
74. SYNC UARX1 VDDP P2 NC 0 1U GIN IDE UATXO AVDD MPLL i GINIP ICLK UARXO AVDD MGRPILPAVDD MPLL P2 sinc AVDD MemPLL n RINIP GPIOE OJL VSYNC TA 284 RINIM GPIOE 1 LHSYNC 592 V25MVDD P242 GPIOE2JLDE SVSB P14 29 GPIOE SJLCK V33 P2 ve j 314 LBOM 222 2 GINOP 2 33 117 20 PR RINOM Leip 219 RINOP LB2M 5 324 HSYNCO LB2P ie VSYNCO LBCKM e s MST96889LD LBOM 598 568 Debug port 40 LB3M 818 lt z Pa lt PB 42 BINZP 542 353 R354 5VSB gt SCH Lr 4 7K 4 7K P100 PB 2 P5 PB 2 41 LAOM 22 RIET RXEO P14 g gt 1 P5 PB LAOP 20 SE RXEO P14 KE 2 pn DEE Laim 206 EXE RXEI P14 m 3 R41 RINM LAIP 22 SS P14 9 3 SV Yo 48 LA2M 20 RXE2 RXEX Pid HEADER 4pin 2 54 SV YO LA2P RXE2 P1l4 gt UE SV 44 LACKM ene Se RXEC 14 SSES 2j eee Em 207 aa VCOM2 LA3P 199 RXE3 P14 2 P5 CVBS1 53 LA4M 198 Ee 1 54 197 P510 1 CVBS2 PS TUNER ES CVBS1 H 56 PR 00 0 TUNER 557 g MOON Mo MDATAT 59 MD2
75. Sonic Corporation C642 C643 m C645 C640 08 Audio buffer m FOR RCA AUDIO OUT d AUWS R622 C 22R 125 WS T 1729 1607 08 0805 ROSS SS VDD AU i 637 638 C639 cre DAC OUTL b2pF 2 P2pF 3 DIN FORMAT 12 R63 10K f f BCLK DEEMPH Kl C651 10uF I 4 5 MUTE VOUTL H VOUTR AVDD 12V Amp BAG OUTEE X DAC OUTR C635 AGND R636 654 0 1uF WM8521 10uF TT IT K C649 NC 100pF 100pF R537 0 R538 NC O 10U 50V DAC gt 2 7002 AUOutR3 _ 470 16 AU2AVR gt gt AU2ZAVR P6 R539 1K AUOutL3 OCbVDAC OUTL 52 Confidential Do Not Copy N3250wb 1G SEL AUDIO 47U 16V AU2AVL 1007507 AU2AVL 8 8 5VTuner L145 2mH L144 R201 0805 0 0000 C293 C294 5VTuner C296 C295 0 10 47U 16V L146 R201 0805 Apu NC AGC NC Monitor x R264 0 GC SCL i 2 SDA T CHASSIS CHASSIS CHASSIS CHASSIS Tuner FQ1216 C299 C300 C301 NC 1000P TUNER 0 1U 70 16 8270 NC 3K P711 2 SCL gt 120 SCL GC SCL T P7411 I2C SDA gt 2 SDA GC SDA T 53 ViewSonic Corporation Confidential Do No
76. Sonic Corporation Q ON 0 Confidential Do Not Copy N3250wb 1G PACKING PART LIST N3250wb 1 ViewSonic Model Number VS11752 1G Rev 1 po Ef JIN350WB G monitor 1 6 __ 00008438 20121999700 POLYFOAM B I 00008434 2001131777 OWNERGUIDE 9 DC 00008435 20023106666 GUARANTCARD QSG 1 Disassembly Procedure 1 Disassembly of Rear Cover from LCD TV 1 1 Unscrew 9 screws to remove Rear Cover 2 Disassembly of Main Board Power Board IR Board KeyPad Board Front Cover and Panel Unit 2 1 Unscrew 2 screws to remove Dust Cover Dust Cover 36 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 2 2 Unscrew 14 screws to remove Shield Plate Shield Plate 2 2 Unscrew 11 screws to remove METAL FITTG I O Side and METAL FITTG I O Down ViewSonic Corporation 37 Confidential Do Not Copy N3250wb 1G METAL FITTG I O Side METAL FITTG I O Down 2 3 Unscrew 4 screws and disconnect the wires to remove Main Board 38 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 2 4 Unscrew 4 screws and disconnect wires to remove Power Board 2 5 Unscrew 3 screws and disconnect
77. able PC Personal Computer Firmware Upgrade Program One additional LCD TV for checking the program execution 2 2 Connection PC to the Tv set by the tool as the follow picture pc1 pc4 Action The D SUB cable must be 15 pin and the TV set must be AC ON 1 2 23 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G pc4 2 3 Start the Isp 1 Open ISP Tool 410 2 Press the config bellow P Utility V4 10 Iv EZPROM Device Setting 0 Speed 89 d Pot 058 Roughly Speed 540 KHz Addr ba if the the ISP board have been found you will see the picture as G SbAin C Slin C SDA out SCL out PIN DG 6 SPI Setti 71 Auto Detect 1 Reverse High USE SPI pin 1 switch UART Iec mg Pull all Pin High Time mc e 3 Press the Connect If all the things are ok and ready it will show the device type as the bellow picture Than pres MStar ISP Utility 74 1 0 TID xl 2 Co t Dis Con Use USB E2PROM Device Se ting Communication Setting Port Type ei D Speed 99 Roughly Speed 138 KHz 126 Pin Definition 6 Sh in C 5 in C SDA out C SCL out Base Adar 05378 Auto Detect pin 1 switch UART I2c Pull all Pin High Setting
78. an 8 bit mcu and a built in output panel interface With external frame buffer 3 D video decoding and processing are fulfilled for high quality TV applications to further reduces system costs the MST96889LD also integrates intelligent power management control capability for qreen mode requirment and spread spectrum support for EMI management Audio This is a stereo fully digital audio amplifier with output power which can deliver up to 2 x 16 w to 4ohm load with 12v supply voltage Using SCL SDA digital contral interface AD8256A provides sound processing functions including volume bass treble EQ Mixing and Dynamic Range control TUNER FEATURES Multi standard TV Systems broadcast reception Especially developed for LCD TV PDP application New input configuration resurts in best in class noise Figure typically 5 5dB in UHF True 5 v device Full frequency range from 48 25MHz TO 863 25MHz PLL controlled tuning True synchronous vision IF demodulator Ultra linear FM PLL demodulator Demodulated video output AF sound output second IF sound output I2C bus control 2 IF address for pip application Coplies with European regulations on radiation signal handling and immunity Coplies to CISPR13 including am end ment and amen dment Low profilr horizontally mounted metal 70 mmhousing Enviromentally friendly lead free process used Suitable for lead free wave soldering INTERMEDIATE FREQUENCIES
79. coder 50us De emphasis THD 0 5 max S N 44 dB min Compatible system TUNER SECAM PAL RF Tuning Range ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 2 Video Built in A D converter shall provide analog to digital converter for this product Input Parameter Specification CVBS Characteristics Video Amplitude Signal 0 7 min 1 1 max V DC Level Sync Pulse Typical 0 35 Vp p S Video Characteristics Video Amplitude Signal DC Level Sync Pulse Y Cb Cr Characteristics Video Amplitude Signal DC Level Sync Pulse Y 0 7 1 0Vp p W Neg Sync IN 75 0 286Vp p IN 75 Q Y 1 0Vp p IN 75 Q Pb 0 7 1 0Vp p IN 75 G2 Pr 0 7 1 0 Vp p IN 75 Video Bandwidth PAL 7 MHz Maximum SECAM 8 MHz Maximum HDMI Characteristics digital DVI D applicable RGB Characteristics Analog VGA Signal Type TTL Separate Sync with 4 7KQ pull down resistors Sync Type 1250mv Max without damage to the product 0 700 mv Full Range Input Signal Rating 2 5 5 25 V Levei Horizontal 30 80K Hz Vertical 50 75 Hz requency Range 16M Pixel Color 3 Audio Audio amp of this product shall be provided by YAMAHA with a Model Number of YDA138 In addition a pair of speakers shall be integrated within this product The audio signals of this product shall comply with the specification listed in the following table Parameter Specification Phone Jack out Tuner Input Base band Input
80. d mode is in User condition Balance To adjust left and right audio balance Equalizer To adjust the equalizer Reset Press ENTER to reset all the settings in Sound page ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Channel Menu setup for It is only active in TV source Auto Scan To automatically preset the channels into TVs memory by pressing 4 Kindly suggest you auto scan all the channels before watching your TV for the first time Note Auto Scan will scan twice First scan for PAL system and second scan for SECAM system After auto scan all the channels you need not to do it again when turning on your TV next time China TV system PAL D K Manual Store The function is to give a minute search for possible existing channels and store them in memory Manual Store Search Fine Tune Store Select Press 4 or gt to get into Manual Store Move the cursor to Prog and select the desired channel position with lt gt Move your cursor to Search and search the detectable channels with lt gt Move your cursor to Fine Tune and adjust the picture with lt P gt Move to Store then store the instruction with ENTER Note The channel will be stored instead of the former program A ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Option Menu When input source is TV AV S VIDE
81. e RDO 1 VDDM VDDP AVDD MPLL VDDC mu m B AL 1N4148WS R346 Du AUVREF 3 G TXI x100 AUVRADP E e 1M AVD AUVRADN 5VSB Ar 5VSB R34 R348 B TX0 C374 14 318MHZ 3 377 ca78 Q 2 address 9 x p 27 2 B TX0 at A4 TA d 4 7U 50V L176 0 0 P4 TXCLK 2 59439 8 a R49 HDCP KEY PA TXCLK S inte zoe k szo amp 3zzzz2z200000000 44000004 pa gt e HD EE EE E 225 SCL HD ao lt aaSSSSSsSsSsssssssSsssse WP AVDD DVI Tene s 88 82 55 S lt 55 A2 SCL Ze DVLCKP i dd 22 S 015 GND SDA 5 0 K lt lt DVIRXON 8 014 503 xps HS RGB 2 VERGE R350 DVIRXOP lt DIT3 AISD2 E P3 VS RGB DVIRX1N DITZ AISDT 3 RAR DVIRX1P DI11 AISD Re 10 E P3 BIN ant 0 MS DVIRX2N DITO AISCK lt 2 BIN DvIRX2P DIOS AIWS REXT DIOS SPDIF IN 9 P3 SOG 0 1U SpA 15 0000 SDA 0107 DDCD SCL 0106 2 ss lou 18 DIOS AUSDO P3 GIN 21 VCLP DIO4 AUSCK pm REFP DIOS AUWS AVDD Du 2 RIN EIE we L HERES REFM DIO2 AUMUTE AVDDA P2 P3 HSYNC1 DIO1 AUMCKO AVDD SIF Fe IW 12 DIOO SPDIFO AVDD AU P2 ert BINIP IVSYNG UATX1 VDDM P2 cos 856 224 IH
82. electricity and insure human earth when handling 7 Do not open nor modify the Module Assembly 8 Do not press the reflector sheet at the back of the module to any directions 9 In case if a Module has to be put back into the packing container slot after once it was taken out from the container do not press the center of the CCFL Reflector edge Instead press at the far ends of the CFL Reflector edge softly Otherwise the TFT Module may be damaged 10 At the insertion or removal of the Signal Interface Connector be sure not to rotate nor tilt the Interface Connector of the TFT Module 11 After installation of the TFT Module into an enclosure LCD monitor housing for example do not twist nor bend the TFT Module even momentary At designing the enclosure it should be taken into consideration that no bending twisting forces are applied to the TFT Module from outside Otherwise the TFT Module may be damaged 12 Cold cathode fluorescent lamp in LCD contains a small amount of mercury Please follow local ordinances or regulations for disposal 13 Small amount of materials having no flammability grade is used in the LCD module The LCD module should be supplied by power complied with requirements of Limited Power Source IEC60950 or UL1950 or be applied exemption 14 The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit IEC60950 or UL1950 Do not connect the CFL in Hazardous Voltage Circuit
83. er Cord and the D SUB Cable And start another TV set When we start another TV set with ON we only need to press the RUN 25 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 3 VGA DDC Key In Procedure Note 1 Every time after replacing the main board you have to do the DDC key in 2 If you find the DDC does not conform to the LCD TV you have to do the DDC key in 3 1 Equipment Needed N3750W G LCD TV DDC Card PC RS 232 cable Barcode Reader Cable A RT N3250WB G LCD TV DDC Card RS 232 Cable Cable Barcode Reader 3 2 Setup Procedure 3 2 1 Connect VGA Card and DDC Card with RS 232 cable 26 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 3 2 2 Barcode Reader connects with keyboard and PC keyboard port 3 2 3 Connect DDC Card and N3250WB G LCD TV with VGA Cable when key in DVI DDC information use VGA transform to DVI port 3 2 4 Connect Power Cord to N3250WB G LCD TV 3 3 DDC Key In Procedure 3 3 1 run DDC exe 3 3 2 Choose model number then Hie Run Barcode Config About SES E 0 cd 27 Confidential Do Not Copy N3250wb 1G ViewSonic Corporation 3 33 Press ENTER key Jg sws ER 2B E
84. ewSonic prior to Mass Production Release addition all exterior surfaces shall uniform texture color The maximum acceptable gap between the buckets to bezel plastic pieces shall be within 1 5 mm The maximum acceptable gap between LCD panel and bezel shall be within 2 5 mm 8 Environmental Operating Temperature 0 C to 40 C Storage Temperature 20 C to 60 Operating Relative Humidity 65 non condensing Storage Relative Humidity 85 non condensing Operating Altitude 0 to 3 000 meters above sea level Storage Altitude 0 to 12 000 meters above sea level 8 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 3 Front Panel Function Control Description Front View of the Product o Volume Down Decrease sound volume or adjust a highlighted control while in OSD menu Volume Increase sound volume or adjust highlighted control while OSD menu Menu OSD menu ON OFF CH Down Channel down when source is at TV or select a control while in OSD menu CH Up Channel up when source is at TV or select a control while in OSD menu Q ENTER To highlight a control in OSD menu Power ON OFF button Remote Control Power LED Indicator ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Rear View of the Product Power AC input Connect to LCD TV and AC outlet wit
85. ghtness Adjust the Black levels from 0 to 100 H Position Adjust the horizontal positions V Position Adjust the vertical positions Clock To adjust the clock delay time Phase To adjust the phase delay time Color mode To select the preset color temperature or user color setting OSD adjust H position To adjust the OSD H position V position To adjust the OSD V position Duration To adjust the OSD display delay time Reset Reset OSD Function setting Remote Control Unit RCU An IR remote control unit shall accompany this product along with battery In addition this remote control unit shall have an operational distance of 5 meters and an operational angle of 15 degrees for both horizontal and vertical Specification IR Made by Bontech Electronics Co Ltd Off axis 15 gt 5M On axis gt 7M Life Testing 100 000 cycle operations at a rate of 20 30 cycle minute without load with battery Painting Color PANTONE 427C Black for front bezel amp back cover Power Key PANTONE 032C RED Key Pads PANTONE amp PANTONE 5C Cool Gray Texts Printed Front Cover and Key Pads PANTONE 427C PANTONE 433C Black AV Control Volume Up Dowm CH PG Up Down Channel Up Down Mute PIP POP Wide Sleep Info P Source Swap Power Source Numeric 0 9 numeric keys Recall Navigation Up Down Left Right Enter Menu Smart sound and Smart video hot key Buttons Color Key Functions ViewSonic C
86. h the power cord 9 HDMI Input Terminal Connect this port to the HDMI output of A V device 9 15 pin Signal Input Connect this port to the VGA output of your PC HD Component Video Input Connect the external video devices with component output to these jacks 9 S Video input Connect other devices such as DVD or VCD to this port Composite Video input Connect other devices such as DVD or VCD to this port PC Audio input Connect this port to PC line out jack 6 Audio Input for YPbPr Components Connect external audio to this port left right Audio Input for AV or S Video Components Connect external audio to this port left right Audio output left right Connect external speaker into this jack RF Antenna Cable TV Input Connect to the antenna or cable service ViewSonic Corporation Confidential Do Not Copy N3250wb 1G Control ViewSonic Corporation DR St Eu 1 E 6 IM E KI mH ss cit SS Hi 50 ViewSonic 00149 Confidential Do Not Copy N3250wb 1G Remote control button function as follow 1 POWER Power ON OFF 2 MTS MTS select 3 INFO Display current information 4 SOUND Select situation mode for sound 5 SLEEP TV Sleep timer setup 6 FREEZE Freeze Frame the current screen 7 0 9 number button Switch channel number keys 8 AVC The tuner contains automatic volu
87. ies to all available RF channels and video modes This product shall adhere to the compatibility and immunity specifications in CB CE Power Supply Transient Immunity Supply Transients and Outage Able to withstand an IEC6100 4 4 1995 ring wave with no damage Surge Immunity Test Able to withstand 1 5X nominal Line Voltage for one cycle with no damage Power Supply Missing Cycle Immunity Function properly without reset or visible screen artifact when gt cycle of AC Power is randomly missing Power Supply Acoustics Power supply shall not produce any audible noise during startup and normal operation Audible shall define to be in compliance with ISO 7779 DIN EN27779 1991 Power Switch noise shall be Excluded Efficiency gt 70 full load nominal line Leakage Current 0 5mA a 250VAC Power Saving DPMS When system 15 OFF some minimal lt 3 W power shall be consumed Recovery Time lt 3 sec Power Factor Correction Compliant with EN60065 5 Firmware amp OSD The product firmware of N3250WB G shall have a firmware version of VP01 Any changes revisions afterward shall also be pre approved by ViewSonic in written For N3250WB G its firmware shall have a built in frequency table for PAL off air TV CATV audio video and other output adjustments shall be performed by using an On Screen Display OSD via a Remote Control Unit RCU
88. m J T Oohm J R 0405 6600 E R 0405 6600 2253200096 2253200096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 Oohm J T Oohm J T R 0405 6600 2253222396 2253222396 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 10W 22Kohm 10W 22Kohm 4 2253210396 2253210396 RES RES CHIP 10W 10W RC 0603 RC 0603 10W 0 10W 10Ko 8 2253210296 2253210296 5 RES CHIP 10W 10W RC 0603 RC 0603 10W 1 0 10W _1 0 E R 0405 64 N 2253222396 2253210396 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 4 38 22 10W 10Ko 8 2253222396 2253210396 RES RES CHIP 10W 10W RC 0603 RC 0603 10W _22 10W 10Ko 8 8 2253275096 2253275096 RES RES CHIP 10W 10W RC 0603 RC 0603 750 750 SIS nla E R 0405 64 E R 0405 64 2253275096 2253247096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603 750 470 4 E R 0405 64 E R 0405 64 2253247096P 2253275096 5 RES CHIP 10W 10W RC 0603 RC 0603 470 750 E R 0405 70 E R 0405 70 2253275096 2253247096 RES CHIP RES CHIP 10W 10W RC 0603 RC 0603
89. me control circuitry AVC to prevent converter overload VOL and VOL Adjust volume up or down 10 UP DOWN LEFT RIGHT UP DOWN LEFT RIGHT Select or adjust the function of ENTER OSD ENTER Enter the function setting 11 INPUT Select input source 12 MUTE Volume mute ON OFF 13 TV Swap between TV Swap to TV when in other source 14 PICTURE Select situation mode for picture 15 WIDE Aspect ratio used to select image size 16 RETURN Return to previous channel 17 PROGRAM UP DOWN Select up or down programs 18 MENU On Screen Display OSD menu ON OFF ViewSonic Corporation Confidential Do Not Copy N3250wb 1G OSD Functions ADVANCED OPERATION OSD MENU REMOTE CONTROL Picture Menu Adjusting the picture It is active in TV AV S VIDEO YPbPr HDMI source Contrast adjust contrast of video Brightness To adjust luminance of video Colour To adjust colour Tint To adjust tint level e Sharpness To adjust picture sharpness Fresh Tone To adjust colour of skin Colour Temp To select the screen colour temperature between Normal Warm and Cool Reset Press ENTER to reset all the settings in Picture page Sound Menu To adjust sound It is active in all input sources Bass adjust the bass It is only active when sound mode is in User condition Treble To adjust the treble it is only active when soun
90. orporation Confidential Do Not Copy N3250wb 1G 7 Mechanical The following table defines the mechanical specifications of this product for both chassis and cabinet Parameter Specification Dimension W 800mm H 631 6mm and D 210mm W O stand W 800mm H 573 5mm and D 117 6 mm Net Weight Chassis Plastic Material External Plastic Chassis Plastic Chassis Cover Stand Metal Plastic Len and Components Button Internal Plastic Cabinet N A Components Exterior Chassis Color Chassis Component s Color Refer to N3250WB G Color Guide Difference Chassis Color Drift Due to The color drift due to UL Light shall be less than 10 Delta UV Light E in the 1976 CIE L a b color space Testing shall be performed according to the requirements of ASTM Test Method D4459 93 Front Bezel N A Back Cover MT 11020 Molded Plastic Workmanship shall be inspected according to ViewSonic Molded Plastic Parts Specification VSCMPPSPECOO01VI 2 Screen Printed Parts Bird Logo Artwork shall be provided and confirmed by ViewSonic Recess Rear Label A label identifying the product name model serial number and FCC ID Logo shall be placed into the rear label recess located on the rear panel of the chassis Wall Mount 400mmx200mm high hole 6 M6 x 10mm pitch 1 0mm screw mounting kit not included 400 Sample of textured color chips plastic material specification and Material Safety Data Sheets shall be submitted to Vi
91. s 0 000ms 0 000ms 0 000ms 6 7 8 1024 x768 7582 1280 x72060HZ 1280 x768 6082 78 750MHZ 74 250MHZ 65 000MHZ 16 660us 22 222us 20 677us 21 Confidential Do Not Copy N3250wb 1G DISPLAY 15 754us 13 003us 17 239us 15 754us H B Porch 2 462us 2 235us 2 936us 2 462us H Width 2 092us 1 219us 1 007us 2 092us H Border 0 000us 0 000us 0 000us 0 000us V TOTAL 16 666ms 13 328ms 16 667ms 16 666ms V DISPLAY 15 880ms 12 795ms 16 000ms 15 880ms V B Porch 0 600ms 0 466ms 0 444ms 0 600ms Vs Width 0 124ms 0 050ms 0 111ms 0 124ms V Border 0 000ms 0 000ms 0 000ms 0 000ms H V Sync Interlace No No No No TIMING TABLE FACTORY PRESET MODE TABLE 3 ITEM 9 10 12 TIMING 1360 x768 60HZ 1280 x1024 60HZ Pixel Rate 85 5MHZ 108MHZ H TOTAL 20 959us 15 630us H DISPLAY 15 906us 11 852us H B Porch 2 994us 2 296us H Width 1 310us 1 037us H Border 0 000us 0 000us V TOTAL 16 662ms 16 661ms V DISPLAY 16 097ms 16 005ms V B Porch 0 377ms 0 594ms Vs Width 0 126ms 0 047ms V Border 0 00ms 0 00ms H V Sync Interlace No No 22 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 2 Firmware Upgrade Procedure When you receive the returned LCD TV please check whether the firmware version is the latest If not please do the following procedures to upgrade it to the latest version 2 1 Equipment Needed N3250WB G LCD TV Fixture for Firmware Upgrade VGA C
92. t Copy N3250wb 1G TV CVBS C302 47 TUNER CVBS TUNER CVBS P11 R272 75 C305 47 VCOMO VCOMO P11 R475 5 C306 S gt SIFPO P11 3279 8 NC 2 2K NC 22P 309 0 10 Pi 311 NC 47U 16V R283 0 NC 10 C312 gt gt AUMONO P11 R479 NC 100P NC 12K Near MST IC Input SIF Pad Side 8 9 SCALER ViewSonic Corporation LAYOUT AUOUTR37 L3 R566 NC 100R DAC AUOUIRS DAC OUTR NDDP AUORVL PIN85 86 AUOUILS 55 AUOutL3 C5 Se SNP pod xs 11 SCALER a wesch ees 120 address 370 8567 A NG 100R DC OUTL sac our R342 D EN QAUMONO f 1116 C512 R569 AUR P6 NC 22K M voc SYS RST R343 100 AVDD AU A 6 2 SCL 1 C372 010 R344 0 aa SE L5 DC SD R345 AVDD MemPLL AURI H D138 C373 AVDD 24032 R 2 ZS BIS PE 27P AULI P6 P
93. the wires to remove KeyPad Board ViewSonic Corporation 39 Key Board Confidential Do Not Copy N3250wb 1G 2 6 Unscrew 2 screws to remove IR Board 2 7 Unscrew 5 screws to remove Front Cover ViewSonic Corporation 40 Front Cover Confidential Do Not Copy N3250wb 1G 2 8 Unscrew 4 screws to remove Panel Bracket Panel Bracket 2 9 Unscrew 6 screws to remove Panel Unit Panel Unit 41 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 6 Trouble Shooting Flow Chart 6 1 NO POWER NO Check P101 pin 5 6 Is 12v Remove 101 Check 12v amp 5v Replace Power Board Check I117 is working X100 1101 1102 1103 1104 Replace NO Check p113 pin 2 is 5v Check wireharness p703 Replace IR board 42 ViewSonic Corporation Confidential Do Not Copy N3250wb 1G 6 2 model NO Replace 1115 SCARTI SCART Check R286 287 292 293 Check I117 pin29 39 SCART2 Check R317 R318 R321 C345 C346 C349 AV S VIDEO YPbPr Check 1117 pin 55 50 51 Check 1117 11 18 1115 R119 R202 R207 Check I117 pin 41 47 PC Check R189 R191 R190 R192 Check 1117 pin 16 28
94. ure Sound Oscillation Range fp fs f osc Range fp fs f osc 1 48 5 56 5 49 75 56 25 87 75 7 36 447 455 448 25 454 75 486 25 2 56 5 64 5 57 75 64 25 95 75 7 37 455 463 456 25 462 75 494 25 3 64 5 72 5 65 75 72 25 103 75 13 470 478 471 25 477 75 509 25 4 76 84 77 25 83 75 115 25 14 478 486 479 25 485 75 517 25 5 84 92 85 25 91 75 123 25 15 486 494 487 25 493 75 525 25 Z l 111 119 11225 118 75 150 25 16 494 502 495 25 501 75 533 25 7 2 119 127 120 25 126 75 158 25 17 502 510 503 25 509 75 541 25 7 3 127 135 128 25 134 75 166 25 18 510 518 511 25 517 75 549 25 7 4 135 143 136 25 142 75 174 25 19 518 526 519 25 525 75 557 25 7 5 143 151 144 25 150 75 182 25 20 526 534 527 25 533 75 565 25 7 6 151 159 152 25 158 75 190 25 21 534 542 535 25 541 75 573 25 7 7 159 167 160 25 166 75 198 25 22 542 550 543 25 549 75 581 25 6 167 175 168 25 17475 206 25 23 550 558 551 25 557 75 589 25 7 175 183 176 25 18275 214 25 24 558 566 559 25 565 75 597 25 8 183 191 184 25 19075 222 25 25 606 614 607 25 613 75 645 25 9 191 199 192 25 198 75 230 25 26 614 622 615 25 621 75 653 25 10 199 207 200 25 206 75 23825 27 622 630 623 25 629 75 661 25 11 207 215 20825 21475 24625 28 630 638 631 25 637 75 669 25 12 215 223 216 25 222 75 25425 29 638 646 639 25 645 75 677 25 7 8 223 231
95. versal number ViewSonic P N E D 0403 1779 2364503996 2364505616 DIODE ZENER SMD DIODE ZENER SMD BZV55 C5V6 5 SOD 80C PHILIPS TZMCSV6 SOD 80 5 2 6 0V VISHAY 04 04 RB E D 0403 2808 E D 0403 1666 2364500396 2364601096 DIODE ZENER SMD DIODE SWITCH SMD RLZS 6B 5 45 5 73V LL 34 ROHM BAV99 SOT 23 PHILIPS 04 RC 03 RA 2364600996 2364601096 DIODE SWITCH SMD DIODE SWITCH SMD BAV99 SOT23 DIODES BAV99 SOT 23 PHILI 03 RB 02 RA N A N A N A 2364600996 2364601096 DIODE SWITCH SMD DIODE SWITCH SMD BAV99 SOT23 DIOD BAV99 SOT 23 PHILI 5 5 5 N RB RA E D 0403 1779 2364600996P 2364503996 DIODE SWITCH SMD DIODE ZENER SMD BAV99 SOT23 DIOD BZV55 C5V6 5 SOD 80C PHILIPS SIS E D 0403 2808 2364505616 DIODE ZENER SMD TZMCSV6 SOD 80 5 2 6 0V VISHAY E D 0403 1666 2364500396P DIODE ZENER SMD RLZS 6B 5 45 5 73V 11 34 ROHM 23366106 23366106 CAP MINI ELE 105 C CAP MINI ELE 105 C CAP CHIP TEMP EC 100 50 5 7 2 5 100 50 5 7 25 CS 0603 COG 50V 100 J 0404 4828 MINI ELE 105 C CAP CHIP TEMPERAT 25 C CS 0603 COG 50V 100p J T 10w50V 5 7 P 2 T CS 0603 COG 50V 1000p J T E 00008342 N A CAP CHIP CAP CHIP TEMPERAT 125 CS 0603 7 50 O

Service Manual - Michael Jay Lissner

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