SERVICE MANUAL - LCD TV repair
Contents
1. e geben 47 CHAPTER 8 SCHEMATIC DIAGRAM 1 MAIN SCHEMATIC DIAGRAM 45 9 999 9 9 9 9 9 48 2 POWER SCHEMATIC DIAGRAM 0 n ua Lh ua A n 9 9999 9 58 3 KEY SCHEMATIC 044 64 4 IR SCHEMATIC DIAGRAM tette ttt ttt ttt tet tec 64 CHAPTER 9 Parts Guide SPARE PARTS LIST E ME LT 65 1 CABINET PARTS 67 69 BIPAGKINGPABTS 70 SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow ll WARNING 1 For continued safety no modification of any circuit should be attempted 2 Disconnect AC power before servicing CAUTION FOR CONTINUED PROTECTION AGAINST A RISK OF FIRE REPLACE ONLY WITH SAME TYPE FUSE 42 F801 F802 F803 F804 T5A 250V 32 F801 F802 F803 F804 TSAH 250V BEFORE RETURNING THE RECEIVER Fire amp Shock Hazard Before returning the receiver to the user perform the following safety checks 3 Inspect all lead dress to make certa2. 205 Pr DPUi2PUVR Ba s 2 3 3 TP PAD 150 PJE D O7 BY SPOOR TFE TP PAD 150 Chas 4 5203 AU TOUIF H MUTET 1 25 x RB232 xIRBZ3D REE 26221 vhysteresis 5 x Rez32z x RGSS Raza SPDIF coaxial type Mute circuit Earphone Line Out E d 9101 ASP D IF AE X S x 26201 MUTE_OP 26202 511 PME T2304 56 10 LVDS uu 11 Tuner con lt o2 2 2 ru 2 t Lypsvop peeun LVDSVDD FE 1 TP 4123 4124 TP 125 10 0 P 125 2 N C N C RF AGC B 5V SDA SCL N C N C DIF YAIF DIFCYAIF 9113 33p 50V 29115 10 01 164 FB9102 NC 220nH 50mA TP PAD 150 TP PAD 150 TP PAD 150 TP PAD 150 TP PAD 150 TP 150 TP PAD 150 TP PAD 150 PAD 150 PAB 150 TP PAD 150 TP PAD 150 TP PAD 150 TP PAD 150 TP PAD 150 TP PAD 150 TP PAD 150 EIN E2P ECKN ECKP 5 LVDS_POWER_OM 4111 TP PAD 150 4 ra 150 TP4II3 TP PAD 150 2 rts TP PAD 150 TP its TP PAD 150 2 TP PAD 150 TP PAD 150
3. 5 p 1158 TP PAD 150 VGASC 1116 TP PAD 150 5 Silm type 10 5mm TP PAD 150 C1117 iC tov R1131 30k Ron PAD 150 PAD 150 1125 p P1117 AN Ln D1113 WC O OSSp 24v IN VGASDALIN 5 TP PAD 160 D1107 055 24 NEARLY VGA CONN 1s i Public mode ISP Switch 1 16 1104 FORCEOFF i2 KMT_RS232_CTRL 5 OPCTRL2_BAR zm 1 m TPI117 Ra2012 711 Ter TP PAD ISO PAD 150 0 1716 1 5 e 1103 orx L B 1105 100 TP PAD 150 TROS221EC DBR 201101 16 2 201103 PAD 150 01104 85232 CTR Function 201104 201105 2 002 Tk eS A 5 Public mode funciton 3v308 TP PAD 150 USE PUR 5 enzi ev av R1135 gt NORMAL SB 02R221010 gt od 1103 USE 5 USE DPO 5 1122 C 1123 WcilOpisov 1124 TP PADI 53 07 YPbPr 18 CVBS with 1201 PAD 1 60 21227 cizia 100 e 5 Near MT5389 CNT2D2 C 1203 15006450 21208 100 21204 2 010 16 TP1202 amp TP
4. UNIT PRINTED WIRING BOARD 47 CHAPTER 8 SCHEMATIC DIAGRAM 1 MAIN SCHEMATIC DIAGRAM 01 System POWER 7111 PAD 7 112 PAD 7 113 7114 TP 7 115 PAD 7 116 7 117 TP PAD 7 118 7 119 PAD 7 120 7 121 PAD 7 122 7 123 7 124 TP PAD 7 125 TP PAD 110 TP PAD 150 SV 4435001 BackUgh_PvWa 5 POWER_cW gt LED model gt HC dale a OFF 7 CCFL model gt SHT LO gt POWER ON 58 HDMLDDC WP gt BackUghLon 101 FBT IOI TP PAD 150 12027 129 00 150 7112 c C7119 SSS low F7 gt 7145 67102 16 7 Our 16 2204259 O tu sov 16 P7104 124k 1 Near connector Core Power 1 2V TUNER POWER 5V_TUNER 0 6 x 1 124 20K 1 22 7 5u 7 102 TP PAD 150 5V_TUNER 2 max AP L580 1 500 VOUT TPT 103 PAD Stand By Power TPT 102 TP PAD 150 Iowo itv 10V 07 106 PAD 150 w VIN VOUT gt ANALOG POWER AV125 L 1 4 26 1 150 750 15V V 1 25x 14 2404 50 33V x 0
5. O twi6yv O tulev 50 04 Peripheral IR Keypad ESD 5110 05101 _ 3 gt 2 3 2 5125 RC through s 5 2 Keypad IR ESD 205103 62v 5 5106 9 16 5103 TP PAD 150 PAD 150 dp PAD 150 TP PAD 150 TP PAD 150 5102 5104 5105 PAD 150 5105 PAD 150 5107 5 EEPROM WP gt 5109 205101 62v 5 51 LED OFF LED ey DC 1 ey qe 14 8 22mm 5102 16v 5108 TP PAD 150 14 8 22mm 05 HDMI Hot Plug Control WPUORARLE E ORG one ugs 52 06 VGA RS 232 USB VGAESD NEARLY MT5389 036450 15 VGASDA_IN 600 600m Riize 100 2214167 SRP B1102 A R1105 c js R1107 100 pem XP R1101 eit 1500p Sov D1104 751 OSSp 2ev 0550247 WNC OOSSp 24V eis D1105 NC OS5p 24v C 1101 i6v Tm 5 Connected to connector GND D 5 TP1109 TP PAD 150 RED gris TP PAD 150 TP PAD 150 GREEN ge TP 1105 TP PAD 150 VGASDA_IN suo TP PAD 150 BLUE d TP PAD 150 prm TP PAD 150 01111 01112 24 MC ODSSp 24 103 VGA_RX amp 10 TP PAD 150 ss TP PAD 150
6. SHARP SERVICE MANUAL EN LCD COLOR TELEVISION MODEL LC 32LE440U CONTENTS SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION u au CHAPTER 1 SPECIFICATIONS sie TON NN I OO 4 SS RR TU 5 CHAPTER 2 REMOVING OF MAJOR PARTS 1 REMOVING OF MAJOR PARTS 6 CHAPTER 3 ADJUSTMENT PROCEDURE 1 ADJUSTMENT 2 14 I SEP 19 3 SOFTWARE UPGRADE PROCEDURE 20 CHAPTER 4 TROUBLESHOOTING TABLE 1 TROUBLESHOOTING TABLE 21 CHAPTER 5 MAJOR IC INFORMATIONS 1 MAJOR IC INFORMATIONS 37 CHAPTER 6 BLOCK DIAGRAM WIRING DIAGRAM FATES 29 3 uuu u 41 2 POWER MANAGEMENT BLOCK 42 EXE ET u uyu tacts 42 CHAPTER 7 PRINTED WIRING BOARD 1 MAIN UNIT PRINTED WIRING BOARD b Rei erbe pem 43 2 POWER UNIT PRINTED WIRING BOARD l 45 KEY UNIT PRINTED WIRING BOARD u 47 BOARD
7. CM151 1u 50 1u 50V RM160 F 100K RO805 P RM161 10k RO805 P RM165 10K RO805 P RM163 RO805 P RM164 NC NC uini UM107 LTV 817M C 4 0805 1M 190 2 R1206 RM170 1 QM110 1 20104 MMBT4401 R1206 5 6V RM175 TRS SOT23 BEC CM159 NC DIO ZD 1206 47k RM172 NC NC RO805 P RM173 100K 196 RO805 P RM174 390K 1 RO805 P CM148 0 47u 50V RO805 P CN201 CON JWT A2501WV216PT 14P 2 5mm CON JWT A2501WV214PT 101 is a rectifier in which there are 4 build in diodes inverting AC to DC 110 111 is used to smooth the wave from rectifier FR801 is a fuse resistor to protect the following circuit when inrush current is too large UM102 is a current mode PWM controller with excellent power saving operation It features a high voltage current source to directly supply the startup current from two half wave rectifier diodes further to provide lossless startup circuit Max start up current for UM102 is 10mA When current flow from two half wave rectifier diodes through RM107 and RM111 gets to HV pin to start up UM102 Meanwhile the VCC supply current is as low as 550uA thus most of the HV current is utilized to change the VCC capacitor CM123 When Vcc Pin6 reaches UVLO on threshold The UM102 is powered on to start issuing the gate drive signal the high voltage current source is then disabled and the Vcc supply current is provided fr
8. 1B NO Check line between IC U2102 and RX2 0 2 RX2 RX2 CB of IC 02102 Is the HOT PLUG detection function of NO pin 19 of a HDMI terminal CN8102 YES YES Refer to The picture doesn t appear in all modes 32 External input 05 gt picture on the display 6 Does not the picture display when USB cable plugged into USB port Change to correct jog or joeg or Is USB stick video format correct NO 9 JP9 bmp format NO Check the fuse F1101 and the external Is the USB 5V sent to pin 1 of Input device YES Is the USB con CN1104 signal properly NO Check the line between CN1104 and IC sent to pin 233 USB_DM0 and pin 234 USB of U21022 YES Refer to The picture doesn t appear in 33 External input Input Component gt No picture the display 7 Does not the picture display when RCA cable plugged into component Terminal 15 Component Y Pb Pr signal sent to pin Check the setting of an external input 2 4 Pb 6 of CN1202 device that connects of CN1202 ves External input NO Check the line between IC U2102 and Input Component gt No picture on the Main UNIT ves Refer to The picture doesn t appear in 34 External input D SUB No picture on the display 8 Does not the picture display when VGA cable plu
9. 2 150 41 TP PAD 150 2 fr NC 33p 50V NC 33p 50V 24103 O tu 16v P410 ek 16 4105 10k 10k 15 20mm 1807 o 1 _1 v vi viui uin SYS_SCL 57 11 FB9105 150nH 280 FB9101 150nH 280mA 9107 150nH 280 C9106 6 8 50 Near tuner 9112 0 1 1 c9110 FB8106 180nH 240mA 9105 R9113 220p 50 100 R9104 2 1 R9105 c9102 100 57 vu Q C 4101 16 LVDS POWER Control gt LVDS POWER ON LO gt 1708 POWER OFF 2 POWER SCHEMATIC DIAGRAM 1 AC Input and EMI Filter fig 7 56105 VZ105 11 2 RES RT WD 165 075 6200V OTHER SPARK GAP 070 4A 250V FUSE 250 CY 101 1000p 250V CAP CSY 100 CX102 CN101 LX101 A3963WR2 5P A CON FOX HF 990 CHK 251 IND LC 2222 1806 0 33u 275V CAP CSX 1809 15p CAP CSY 100 4A 250V 300V FUSE 250 OTHER SPARK GAP 070 DP107 F FR10 10 LF DIO DO41 DIO DO41 Fig 7 CN101 is a connector for connecting AC Power F101 amp F102 are fuse to protect all the circuit AC Input voltage is single 120V CY101 CY102 CY103 are used high frequency noise of primary between common GND LX101 LX102 CX101 CX102 is used to filter low frequency noise RX101 RX102 and RX10
10. NC D101 D102 D102 NC GND GND ON OFF Q102 PMBT3904 LED2 ON OFF 2404 R113 NC 10K 64 CHAPTER 9 PARTS GUIDE 1 SPARE PARTS LIST Recommended Spare Parts List Regon 77 Updated date 2011 4E 12 H 15 H 97 7604036005316 ILCD Module TFT V315B5 LEB3 9JYO132CTG04100 ILC 32LE440U CTG04 Mother Board LC 32LE440U CTG04 Power Board LC 328VA0U CTGO5 Keypad Board LC 328V4AQU CTGOS IR Board FRONT BEZEL ASSY CTGO4 BASE ASSY CTG04 NECK SUPPORT ASSY 04 65 9 Y 02500012535 SIDE BRACKET ASSY CTG04 10 ASSY BACKCOVER CT G04 FUNCTION KEY CT G04 9 Y 02500012530 IF SHIELDING CTLO2 l 9 Y 02500012537 PANEL HOLDER CT G04 4 9 01200019663 COVER VT464D 1 Cable 200 9 Y 35110FQ0033TG y 1 H 3nm 1nm LCD CableAssenrbly 850rmmm 9 Y 35101MTOO20UG y 1 20 OnmG AC Power Cable 1 6m40 10m J 9 Y 35071BPO00600G 1 18A WG 5PIN 2PIN G Speaker 9 5702001009755 1 Y DT30120N ROO1B06 Remote Controller 22 Accessory 9 Y 6001536008866 1 11 amG RC LCDTV 520 23 Screw 9 Y 06000013236 SCREW B CROSS M5 44 5 Zn black 4 2 CABINET PARTS 66 GPF T6OMONGOOSSIG LCD Module TFEIVNSISESLE 1 ofo Y0932CTG04000 2111117 68 3 SUPPLIED ACCESSOR
11. capability grants customers never miss any wonderful stream Professional error concealment provides stable smooth and mosaic free video quality Key Features Worldwide multi standard analog TV demodulator ATSC demodulators Powerful CPU core A transport de multiplexer Rich format audio codec receiver 1 2 9 4 5 A muti standard video decoder 6 7 8 Local dimming LED backlight option 9 TCON option 10 Panel overdrive control option 37 11 LVDS mini LVDS option EPI option 1 2 U3101 NT5CB64M16DP Description The 1Gb Double Data Rate 3 DDR3 L B die DRAMs is double data rate architecture to achieve high speed operation It is internally configured as an eight bank DRAM The 1Gb chip is organized as 16Mbit x 8 I Os x 8 banks or 8Mbit x 16 I Os x 8 bank devices These synchronous devices achieve high speed double data rate transfer rates of up to 1866 Mb sec pin for general applications The chip is designed to comply with all key DDR3 L DRAM key features and all of the control and address inputs are synchronized with a pair of externally supplied differential clocks Inputs are latched at the cross point of differential clocks CK rising and falling All I Os are synchronized with a single ended DQS or differential DQS pair in a source synchronous fashion These devices operate with a single 1 5V 0 075V amp 1 35V 0 067 0 1V power supply and are available in BGA packa
12. is high During this mode of operation if the device does not sense a valid RS 232 signal on the receiver input the driver output is disabled If FORCEOFF is set low and EN is high both the driver and receiver are shut off and the supply current is reduced to 1 Disconnecting the serial port or turning off the peripheral drivers causes the auto powerdown condition to occur Auto powerdown can be disabled when FORCEON and FORCEOFF are high With auto powerdown enabled the device is activated automatically when a valid signal is applied to the receiver input The INVALID output notifies the user if an RS 232 signal is present at the receiver input INVALID is high valid data if the receiver input voltage is greater than 2 7 V or less than 2 7 V or has been between 0 3 V and 0 3 V for less than 30 us INVALID is low invalid data if the receiver input voltage is between 0 3 V and 0 3 V for more than 30 us Refer to Figure 5 for receiver input levels 40 CHAPTER 6 BLOCK DIAGRAM WIRING DIAGRAM 1 BLOCK DIAGRAM TUNER Side Rear Rear Side ELI HDM11 DM12 HDM13 USB 80909 9 MT5389 41 LVDS OUT 1 DDR3 FLASH rem YDA175 SPEAKER AUDIO AMP 6 SPDIF Out t NAFTA 4 utpu Hotel Mode RS 232 NAFTA Earphone Earphone amp DRV632 Side 2 MANAGEMENT BLOCK DIAGRAM There 1 part circuits in Power board of this proj
13. 3 are used to discharge CX101 and CX102 remnants voltage 58 2 Standby Control amp DC DC amp ACD Circuit fig 8 DIO WKBJ KBJ1006G FC BD101 FERR BEAD IND 090 RM106 NC NC R1206 RM109 NC NC R1206 RM110 NC NC R1206 RM114 NC NC 7r CM113 0805 1000 50 0805 CAP CE D125 1250R 0125 1250 050 RM111 20K R1206 UM102 INN801BGS 8 EN DIS HV 3 116 0 1u 50V 114 0805 1000 50 6 0805 5 115 220 50 N C0805 P RM118 270 R1206 VOC CM123 10u 50V CAP CE D050 050 DIO 1N4148 0805 DM104 SN4148 RM115 47ohm DIO 1N4148 DM108 514148 HS1 Hestsink1 RES 3W CAP CC 050 HS 43 5X45 1 RM102 102 20ohm 3W 2200p 1kV RM104 68K 2W 70102 DM102 RES 2W 150 P6KE200A SRF20 150CT IC WTO220 GDS 0 0015 DM112 SRF20 150CT TRF CC40 7P IC WTO220 GDS TM101 350uH FR207G DIO DO41 2 IND 060 LB102 1 HS2 Hestsink2 HS 30 7X47 9 TRS WT0220 GDS 21 1 2 3 700V 12A CM117 4 G 100PF 1KV CAP CC 050 RM117 10K d R1206 RM101 0 24 2W RES 2W 150 RM120 2 R1206 DM105 FR10 10 LF DIO DO41 IND H06110013 1 CM107 CM109 680u 25V 77 680u 25V 7 680u 25V 7 680u 25V 0 1u 50V C0805 P CAP CE D100 1016R CAP CE D100 1016R CAP CE D100 1016R CAP CE D100 1016R P
14. Background Color Black White Green Blue Background Opacity Window Color Black White Green Blue Red Cyan Yellow Window Opacity CH Setup Air Cable Cable c Language English Espanol Individaul Setup Secret New Secret No Input Secret Confirm Secret No For TV Parental CTRL V Chip PG 13 R NC 17 X NONE TV Guidelines TV Y TV Y7 TV G TV PG TV 14 D L S V E C C8 G PG 14 18 NONE Can English Ratings G 8ans 13 Can French Ratings 2 Display adjustment Only adjust HDMI Mode and copy to all of input source General set up Equipment Requirements Minolta CA 210 or Equivalent Color analyzer or equivalent instrument Input Signal Type 1 Internal full white pattern 2 Select Picture mode to Standard mode and check the x y data Input Injection Point HDMI cable Alignment method Initial Set up 1 Select source as INPUT 1 HDMI 1 2 Set AV mode as Standard 3 Enter factory mode menu press MENU Numeric keys 3481 Alignment 1 Press MENU key enter factory mode page 2 Set Video White Pattern to Medium Enter Video Color Temperature adjust Color temperature adjust Set color temperature to Cool Adjust R Gain G Gain values to meet Cool color coordinates Keep B Gain set 128 Adjust
15. IC 02102 and its peripheral circuits 27 No picture on the display 1 The picture doesn t appear in all modes Main UNIT Check LVDS signal output from IC 02102 or not 32 OON OOp O1N O1P O2N O2P O3N O3P OCKN OCKP 42 OON OOp O1N O1P O2N O2P O3N O3P OCKN OCKP EON EOp E1N E1P E2N E2P ECKN ECKP Check IC U2102 and its peripheral control YES circuits Check signal NO BL PWM BL ON PSON ID 0 1 21 Power Check relative components are ok or _ ON LVDSVDD are normally or not ws NO Similarly is the LVDS signal input to Wire harness is checked connector of the panel module YES Check the panel module 28 No picture on the display 2 Does not the picture come out when VHF UHF is received Main UNIT Check 5V_tuner VCCK DDRV AV33 DV33 3V3SB Check each power IC and peripheral is applied to Tuner and U2102 or not components are correct or not YES 5 the DIF signal output from pin 10 and pin 11 of Check the tuner and its peripheral circuits TUNER Replace as required TU9101 YES Is the DIF signal sent to pin 58 and pin 59 of IC NO U2102 X Check IC U2102 its peripheral circuits YES Refer to The picture doesn t appear in all modes 20 External input Input Side HDMI gt No picture on the display 3 Does not the picture display when HDMI cable
16. IES Supplied Accessories Make sure the folowing accessories are provided with the product Harmote c Fi ShapPN DESCRIPTION 1 9JY6001 53G00886G Remote Controller IR NEC 8m G RC LCDTV 520 Primary Battery 1 5V Zn Mn 9JY89010330021YG 2 Battery 44 5mm 10 5mm G GLRO3A 01200019573 ASSY CTGO4 9JY06000013236 SCREW B CROSS M5 44 5 Zn black 4 9JY0840001 7274 USER MANUAL NAFTA CTG04 5 9JY08400017277 REGISTRATION CARD NAFTA 69 4 PACKING PARTS s 5 70 ___ 00 7525 CORNER PAPER 1050XSOXSOXTSmm RONS DS 6 7600153000886 RemoeComoleRNECAnGRCLCDIVS 9 Primary Battery 1 5V Zn Mn Battery 44 5mm 10 5mm G GLRO3A 21 91108401017275 LABEL BLANK 60x15mm 0 0009 71 6 bonos UY600153G00886G RemoeComleRNECARGRCICDTVSO o pivosi Primary Battery 1 5V Zn Mn Battery 44 5mm 10 5mm G GLRO3A 21 97Y08401017275 LABEL BLANK 60x 15mm 0 0007 73
17. M132 2 RM127 R0805 P 1000p 50V 1u 50V 1 6K 1 0805 1 0805 0805 CM101 Mx 0 01u 50V 805 100 1 3 CM133 0805 RM182 R0805 P NC RM129 FB RM130 0 05 2W 1 9 N R2512 R0805 P R0805 P CM134 4 RM238 RM136 0 22u 50V 10K 1 D 7 10 56 1 cosp 0805 lt CM136 12 RM134 0805 1000 50 100KR0805 P C0805 P Eb lt 0 1u 50V RM139 CM139 0805 390K 100p 50V 12V CM140 0805 0 1u 50V 0805 0805 RM148 RM152 1M RM151 144 100K 1 RO805 P 390K 0 1u 50V or 190 0805 0805 R0805 P bue gt F8 NC NC 182K 1 FBI gt RM157 CM223 10K 1 NC m R0805 P 12 2 CAP CE D100 1016R IC HSOP8L 5 508 555 CM119 UM103 150 12V2 RT8120DZSP RO805 P 0805 AP4232BGM 1 50 70u 35V RM123 118 471 0 01u 50V 5 2 VCC BOOT 222 7 IND D 140 112 e 0 1u 50V LM101 RM310 RM119 RM224 CM312 10K 1 56K 1 gt 0 0 150 CM310 lt R0805 P e RM222 R0805 P R0805 P 0805 10 50 16 196 C0805 P CM311 CM124 121 221 0 01u 50V 10P 50V 1000u 10V NC C0805 P C0805 P CAP CE D100 1016R CAP CE D100 1016R gt RM122 10K 196 RM225 R0805 P 10 R0805 P CM120 150p 50V C0805 P gt w CM129 0 1u 50 C0805 P RM181 4 7K 1 R1206 CM122 0 1u 50V C0805 P VCC1 BD Term CM152
18. OPAD 0 115 67131 6 0 lw DIGITAL POWER DV33 ANALOG POWER 105 TPT 104 5 07101 PAD 150 033 AV33 TP PAD 150 SYSOCSBAAC C7123 67143 10 106 0 1016 100w 16 O Tu dev 7 P 7 109 AV33IDV33 3 3V 0 6 x 1 560K M 24 2 3308 48 02 MT5389 Standby Power 1705 Even LYDS 5389 Core Power Close to 49 03 DDR3 DRAM Flash Damping for DDR ADDR CMD Serial Flash RP3101 100 4 o Doo 001 00 gt 005 026 r 008 bes AS 0010 3115 POO EN 0011 All POOR 5 0012 AIDBCe POC ED 5 0013 100 PDO 5 0014 5 0015 1005 Loes Loose LDM VREFCA 20 DDR 3 DDR DDR Ui vi Ui Ur Ur Ut Ur Ut Ur Ut Ur Ut Ut Ur Ut Ur Ur Ur Ur Ut Ut Ut Ur UI Ut Ur Ur Ur Ut Ur Ur Ui Ur Ur Ui Urvi ui ur Damping and Termination for CLK R3105 3102 C3101 Close to mainDRAM 1 IK 1 16v Close to mainchp 112 dev dev DDR C3104 c3109 C3106 Cc3110 Jude
19. PAD 1 80 R1207 NEARLY CON IN 81 21208 100 21207 0 010165 TP1203 gt gt PAD 1 604 21209 PRI IM 51 21210 100 21208 piure 21211 21212 56 1 56 1 1209 1211 Connected to connector Ri215 1212 10 0146 5 1204 1215 21216 PAD 1 60 100 1205 Riia 4 TP PAD 1 60 22205 AIND R TP 1207 21218 01210 01211 NCD OS Spey TP 1 60 Ab 09 2010 54 08 Audio amp TP6101 VODAMP_I 6120 TP6102 TP PADI TP PAD 150 6124 TP6103 6129 MC OO1u 25 c6103 0011254 P6101 TP6104 TP PAD 150 OUT LP SLEEPN C N6101 MUTE X OUT LP Speaker L VDDAMP 1 VDDAMP 1 15102 Speaker R li T lu 16V PUDDHL PVDDMR OUT ML OUT Speaker P OUTML OUTMR P6111 TP PAD 150 OUTML TP PVSSL PVSSR YDAITS NCIO DIu25V PVSSL OUTPL OUTPR C6107 NC O DIu25V OUTPL OUTPR R6121 NC 3 3 PVDDPR 15103 2 34 AOMELK MUTE P6128 48 AOLRCK gt 4143 55 09 Headphone line out SPDIF Earphone Output
20. Q or higher 2 These values are based on evaluations on a Yamaha s PCB board implementation 1 4 U1101 TRS3221ECDBR 550 16 FEATURES ESD Protection for RS 232 Pins 15 kV Human Body Model HBM 8 kV IEC 61000 4 2 Contact Discharge 15 kV IEC 61000 4 2 Air Gap Discharge Meets or Exceeds the Requirements of TIA EIA 232 F and ITU v 28 Standards 39 Operates With 3 V to 5 5 V VCC Supply Operates up to 250 kbit s One Driver and One Receiver Low Standby Current 1 uA Typical External Capacitors 4 0 1 HF Accepts 5 V Logic Input With 3 3 V Supply Alternative High Speed Pin Compatible 1 Mbit s TRSF3221E Auto Powerdown Feature Automatically Disables Drivers for Power Savings Description The TRS3221E is a single driver single receiver RS 232 solution operating from a single VCC supply The RS 232 pins provide IEC G1000 4 2 ESD protection The device meets the requirements of TIA EIA 232 F and provides the electrical interface between an asynchronous communication controller and the serial port connector The charge pump and four small external capacitors allow operation from a single 3 V to 5 5 V supply These devices operate at data signaling rates up to 250 kbit s and a maximum of 30 V us driver output slew rate Flexible control options for power management are available when the serial port is inactive The auto powerdown feature functions when FORCEON is low and FORCEOFF
21. R Offset G Offset values to meet Cool color coordinates Keep B Offset set 128 Repeat step 2 3 4 twice to meet Cool color coordinates specification below Set color temperature to Warm Standard then Repeat 2 3 4 step adjusting QU 2 zoe com qw x Set color temperature User mode then set all values to 128 Chromaticity Coordinate COOL 0 272 0 015 0 277 0 015 STANDARD 0 285 0 015 0 293 0 015 WARM 0 313 0 015 0 323 0 015 Customer Color Panel Native Color Temperature Check the 16 grayscale pattern should be distinguished and color bar is correct 18 Note 1 Use Minolta CA 210 for color coordinates and luminance check 2 Before adjusting all color analyzers CA 210 should be coordinates with a same reference TV set 3 Luminance gt 320 cd m in the center of the screen when Brightness control at 100 Contrast control at 100 Backlight control at 100 Test Color mode Standard 2 SERVICE MODE Enter factory mode menu press MENU Numeric keys 3481 to enter factory mode You can press RETURN key to back to normal main menu 19 3 SOFTWARE UPGRADE PROCEDURE 1 Connect to TV USB port to upgrade the software firmware Please follow the following steps to upgrade the firmware IV Turn on TV Press MENU select Information gt Identification to check Version Copy the correct software firmware pkg to USB disk Ex Versi
22. SON 0 1u 50V 4 R0805 P 105 120 1 QM102 P1504EDG4 TRS TO252 GDS RM226 CM106 2K 1 0 1 50 R1206 C0805 P 108 20 1 0805 0103 MMBT4401 TRS SOT23 BEC 59 12V2 COMP RM133 NC RM135 CM135 20K 1 100p S0V RO805 P 0805 0805 UM105 CM138 LTV 817M C 4 RO805 P RM140 NC 3 142 147 101 1 RO805 P TRS SOT23 BEC 3 33K 1 N 5 0 01u 50V NM RO805 P CM143 RM149 IC LTV817M C0805 P RO805 P UM106 5431 RM154 CO805 P IC TO92 RAC 5 1K 196 RO805 P RM159 RO805 P 20103 20101 5 6V 15V DIO ZD 1206 DIO ZD 1206 DM107 OVP RM166 NC RO805 P QM109 NC TRS SOT23 BEC RM171 NC RO805 P RM205 1K IC LTV817M DIO 1N4148 RM201 R0805 P DM201 330 1 SN4148 QM202 MMBT4401 TRS SOT23 BEGn 201 0 01u 50V 60 12V 12V 61 RM142 CM141 20ohm 2 2nF 50V R1206 C0805 P IND D140 112 LM103 15uH CHK 145 11 2 4 0100 1016 105 SR506F79 LF 470 35 DM101 CAP GE D100 1016R CAP CE D100 1016R CM126 60V ok 127 128 rd DIO DO201AD 200A 7T 470u 35V ATOu 35V CM160 C0805 P 0 1u 50V m DIO 1N4148 0805 DM106 SN4148 CM130 M rtu tu 5 V ove 0805 QM105 NEP vcc RT8525 Q gt TR T0252 GDS E 2 2ohm CM145 C0805 P C
23. covering device reset and initialization register definition command descriptions and device operation 38 1 3 46102 YAMAHA YDA175 Features Supply Voltage Range VDDP 5 1 to 18V Input Digital Audio Interface Stereo Sampling Frequency 32kHz 44 1kHz 48kHz Left justified MSB first 1 bit delay Digital Audio Data 24 bits Max Instantaneous Output 15Wx2ch VDDP 15V RLz8O THD N 10 10Wx2ch VDDP 12V RL 8Q THD N 10 10Wx2ch VDDP 12V RL 6Q THD N 10 Max Continuous Output 15W 2 x2ch VDDP 15V RL 8Q Ta 70 C 4 layer Board 10W 2 x2ch VDDP 12V RL 8Q Ta 70 C 4 layer Board 10W 2 x2ch VDDP 12V RL 6Q Ta 70 C 4 layer Board Distortion Ratio THD N 0 05 VDDP 12V RL 8Q Po 4 5W 1kHz Residual Noise 50uVrms VDDP 12V RL 8Q A Weighted Filter O S N Ratio 105dB VDDP 12V RL 8Q A Weighted Filter Efficiency 92 VDDP 12V RL 80 Po 10W Channel Separation 80 dB VDDP 12V RL 8Q 1kHz Power Limit Function 15W RL 8Q min THD N 10 Output Mute Function Quick Mute Quick Start Sleep Function Pop Noise Reduction Function Overcurrent Protection Function OCP Over Temperature Protection Function OTP Under Voltage Lockout UVLO DC Detection Function DCDET Clock Detection Function CKDET Package Lead free 32 pin Plastic QFN Exposed die pad YDA175 QZ 1 When operating below 8V VDDP the speaker impedance must be 8
24. e reception of TV broadcasting Does not the sound go out though the picture has come out when UHF VHF is received MAIN UNIT 5 the DIF signal output from pin 10 and pin 11 of Check the tuner and its peripheral circuits Replace as TUNER TU9101 required NO Is the DIF signal sent to pin 58 and pin 59 of IC Check IC 02102 its peripheral circuits U2102 YES Refer to No sound output in all modes 22 No sound from external input devices 1 Does not the sound of the audio signal input to input Component go out MAIN UNIT 15 the audio signal properly sent to 8 and 10 of CN1202 Check the connection to CN1202 and the external input device NO Is the audio signal properly sent to pin 68 Check the line between CN1202 and 02102 AINO and pin 70 AINO of IC U2102 YES Refer to No sound output in all modes 23 No sound from external input devices 2 Does not the sound of the audio signal input to VGA go out MAIN UNIT 15 the audio signal properly sent to 3 and pin 2 of CN1102 Check the connection to CN1102 and the external input device NO Is the audio signal properly sent to pin 67 Check line between CN1102 and 02102 and 69 1 of IC U2102 YES Refer to No sound output in all modes 24 No sound from external
25. ect fig 1 Power circuits which is a single layer board There are 3 output in the power parts one is interface board including USB and TV tuner et the other is inverter board and audio circuit 24V output is inverter part the system block diagram as below the last is panel Vcc and audio the power is 12V AC EMI Rectifier Standby DC 12V 2 23A output to INPUT filter Audio DC 5 3V 2A output to IF BD DC DC DC 24V 1 6A output to Inverter ACD ACD fig 1 DIAGRAM 42 CHAPTER 7 PRINTED WIRING DIAGRAM 11MAIN UNIT PRINTED WIRING BOARD LC 32SV40U amp LC 42SV50U amp LC 46SV50U TOP 207 43 ree d ad LI a a 194 i ee r t r 4 o m j m ow amp Bebe s L Nas sb 4 A a Ld amp k lt PRPS Pees eso 44 2 POWER SCHEMATIC DIAGRAM POWER BOARD WITH TOP BOTTOM VIEW Top Layer C ax xo TEL vu ere sis E 991 V 1 T a M O O 45 Bottom Layer gt i RT ti 41 iR Zr ig 46
26. emodulator a backend decoder and a TV controller and offers high integration for advanced applications It combines a transport de multiplexer a high definition video decoder an audio decoder a dual link LVDS transmitter a mini LVDS transmitter option an EPI transmitter option and an NTSC PAL SECAM TV decoder with a 3D comb filter NTSC PAL The MT5389FUNU enables consumer electronics manufactures to build high quality low cost and feature rich DTV World Leading Audio Video Technology The MT5389FUNU supports Full HD MPEG1 2 4 h 264 DiviX VC 1 RM AVS option video decoder standards and JPEG MT5389FUNU also supports MediaTek de interlace solution can reach very smooth picture quality for motions A 3D comb filter added to the TV decoder recovers great details for still pictures The special color processing technology provides natural deep colors and true studio quality video Also the MT5389FUNU family has built in high resolution and high quality audio codec Rich Features for High Value Products The MT5389FUNU family enables true singlechip experience It integrates high quality HDMI1 4a high speed VGA ADC LVDS mini LVDS option EPI option USB2 0 receiver TCON option panel overdrive option and ATSC demodulators WW Common Platform Capability The MT5389FUNU family supports ATSC demodulation functions TV maker can easily port the same UI to worldwide TV models Excellent adjacent and co channel rejection
27. ges The DDR3 L SDRAM D Die is a high speed dynamic random access memory internally configured as an eight bank DRAM The DDR3 L SDRAM uses an 8n prefetch architecture to achieve high speed operation The 8n prefetch architecture is combined with an interface designed to transfer two data words per clock cycle at the I O pins A single read or write operation for the DDR3 L SDRAM consists of a single 8n bit wide four clock data transfer at the internal DRAM core and two corresponding n bit wide one half clock cycle data transfers at the I O pins Read and write operation to the DDR3 L SDRAM are burst oriented start at a selected location and continue for a burst length of eight or a chopped burst of four in a programmed sequence Operation begins with the registration of an Active command which is then followed by a Read or Write command The address bits registered coincident with the Active command are used to select the bank and row to be activated BAO BA2 select the bank A0 A13 select the row address bit registered coincident with the Read or Write command are used to select the starting column location for the burst operation determine if the auto precharge command is to be issued via A10 and select BC4 or BL8 mode on the fly via A12 if enabled in the mode register Prior to normal operation the DDR3 L SDRAM must be powered up and initialized in a predefined manner The following sections provide detailed information
28. gged into D SUB NO Set the timing which TV is support ves Terminal Is R G B H V signal sent to pin 1 RED NO Check the setting of an external input gt 2 3 BLUE 14 sync device that connects of 1101 NO 15 Video format correct ves Main UNIT Is R G B H V signal sent to pin gt Check the line between 02102 32 RED 30 Green 28 BLUE YES Refer to The picture doesn t appear in 35 Power unit operation check YES Are the power cord and harness in the NO Power cord and harness in the unit unit connected YES NO If F101 and F102 normal Line filter unit LX101 LX102 or RT101 is out of order YES Does BD101 output 169 when NO Change a new full wave rectifier diode to input 120V check the output voltage YES MG Does the standby circuit normal QM104 TM101 ZD102 DM103 the circuit around the um102 and protection circuit ect is checked Is the voltage of 12V applied to pin 11 12 13 of CN201 YES Is 5V output as for power on off switch Does the UM103 UM108 LM101 and the when is on circuit around IC UM103 UM108 Check them YES Is 24V output as for power on off Does the UM104 QM105 LM103 and the switch when is on circuit around IC UM103 UM104 Check them 36 CHAPTERS MAJOR IC INFORMATIONS 11MAJOR IC INFORMATIONS 1 1 U2102 MT5389 The MediaTek MT5389FUNU family consists of a DTV front end d
29. in that leads are not pinched and check that hardware is not lodged between the chassis and other metal parts in the receiver 4 Inspect all protective devices such as non metallic control knobs insulation materials cabinet backs adjustment and compartment covers or shields isolation resistor capacitor networks mechanical insulators etc 5 be sure that no shock hazard exists check for leakage current in the following manner Plug the AC cord directly into 120 volt AC outlet Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by 0 152 capacitor in series with all exposed metal cabinet parts and a known earth ground such as electrical conduit or electrical ground connected to an earth ground Use an AC voltmeter having with 5000 ohm per volt or higher sen sitivity or measure the AC voltage drop across the resistor Connect the resistor connection to all exposed metal parts having return to the chassis antenna metal cabinet screw heads knobs and control shafts escutcheon etc and measure the AC voltage drop across the resistor All checks must be repeated with the AC cord plug connection reversed If necessary a nonpolarized adaptor plug must be used only for the purpose of completing these checks Any reading of 1 05 V peak this corresponds to 0 7 mA peak or more is excessive and indicates a potential shack hazard which must be corrected before returning the monito
30. input devices 3 Does not the sound of the audio signal input to USB go out YES 5 USB stick audio format correct Change to correct mp3 format MAIN YES NO Is the USB 5V Q7105 sent to pin 1 of CN1104 i Check the connection to Q7105 and the external input device YES Is the USB con CN1104 signal properly sent to NO y Check the line between CN1104 and 2102 233 USB and pin 234 USB of IC U2102 YES Refer to No sound output in all modes 25 The audio signal is not output No audio signal output from Headphone terminal 6201 Terminal 15 audio signal output from pin 12 OUTL and pin YES Check the connection to HROL R OUT and 3 OUTR of IC 06201 to Jack CN6201 external devices YES Check the line between IC U2102 and IC U6201 Is the audio signal output from IC U2102 pin 74 and pin 76 to pin 3 OUTR and pin 12 OUTL of IC U6201 No Check IC U2102 and its peripheral circuits 26 The audio signal is not output No audio signal output from SPDIF terminal CN6202 Terminal Is input source on HDMI The SPDIF out not Y Change input source to others TV etc support HDMI source ES Is the audio signal output from IC U2102 pin 92 YES Check the line between IC 02102 and CN6202 ASPDIF sent to CN6202 Check
31. me PC Dynamic Dynamic Fixed a Advanced Color Temp Color Temp User Cool Standard Warm R Gain 0 255 G Gain 0 255 0 255 Yes No DI Film Mode Off Auto Digital Noise Reduction Off Low Middle High Auto Reset Only reset currect AV mode settings Disable when AV mode is Dynamic Fixe d lt Reset Yes No Only reset currect AV mode settings Power Control No Signal Off Disable L Power Saving Off On Disable when AV mode is Dynamic Fixe d System Options View Option ViewMode Freeze __ Change Audio MTS Mono Stereo SAP Audio English Spanish Language French Change CC Analog Closed Off CC1 2 CC4 TEXT 1 TEXT2 TEXT4 Digital Closed Off Service1 Caption Service2 Service3 Service4 Service5 Service6 Input Terminal Audio Setup Off Dolby Setting Digital PCM PC input Auto Sync For PC only Fine Sync H Pos f Phase Audio Select Video _ Audio Select Auto For HDMI only HDMI Digital HDMI Analog HDMI Setup HDMI Mode Auto Graphic DE e Caption setup Caption Style Default 15 Initial Setup For TV amp AV only EZ Setup Broadcasting Setup For TV only Custom Caption Size Foreground Color Black White Green Blue Foreground Opacity
32. om the auxiliary winding of the transformer PINS UM102 Pin3 is protection PIN RM101 are sense circuit UM102 detects the MOSFET current from the CS in When CS pin over 0 73V the UM102 will enter auto recovery type protection Presenting a hiccup mode The gate out will not resume switching until OCP falls below 0 67V UM102 Pin1 is OVP protection PIN It receives ON OFF signal from secondary scalar 62 ACD 0805 controller If the voltage of EN DIS pin exceeds the enable threshold voltage 1 2V or EN DIS pin is floating the system will be start up However if the voltage of EN DIS voltage is below the enable threshold voltage 0 8V the system will be shut down completely and consume almost zero power For low standby power application it s important to make current in this path as small as possible The deglitch delay time of the disable function is about 20us The internal bias current of EN DIS is 2uA For low power consumption it s a high impedance pin Therefore proper layout is necessary for noise immunity If capacitor is unavoidable capacitor value should carefully calculated and not to influence system operation UM102 control 12V output UM103 UM108 LM101 construct buck circuit to output 5V UM104 LM103 QM105 construct buck circuit to output 12V ACD circuit is to make backlight shutdown in time as son as AC input turn off When AC input turn on the ACD signal will output a low voltage then the main board
33. on V2 0 copy 52 89 to USB disk Insert the USB disk to TV USB port VI VII VIII IX X TV AC power off gt AC power on TV will upgrade by itself after detect the USB disk condition and the content of the pkg file Note TV s LED will flash during upgrade process After finish upgrade process TV will reboot by itself Remove USB disk from TV Press MENU select Information Identification Check the software version is correct or not 20 CHAPTER 4 TROUBLESHOOTING TABLE 1JTROUBLE SHOOTING TABLE The sound is not emitted from the speaker though the picture has come out No sound output in all models TEREMINAL Is the audio signal output of pin 96 pin 95 pin 94 AOLRCK and pin 93 of IC U2102 normal Is audio signal input to pin 6 AOSDATAO pin 7 AOBCLK pin 8 AOLRCK and pin 5 AOMCLK of IC U6101 AMP Is MUTE circuit YDA MUTE normal 2 lt lt gt gt Is audio signal output of pin 1 2 L ch and pin 3 4 R ch of CN6101 AOUDIO CONNECTOR normal YES Check Speaker Box right and left and wire harness NO NO NO 21 Check IC U2102 and its peripheral circuits Check the line between IC U2102 and IC 06101 Check the R6130 06101 R6134 etc Check IC 06101 and its peripheral circuits No sound during th
34. ove the Base Assy 1 Remove the 4 screws as Fig 3 and pull out the base Step 2 Remove the REAR COVER Assy 1 Remove the 13 screws around the REAR COVER as Fig 4 74 27 Fig 4 2 Remove the 4 screws at the IO area as Fig 5 Fig 5 3 Remove the 3 screws to release AC cable as Fig 6 Fig 7 Fig 6 Fig Step3 Remove the Main Power IR board Key Pad ASSY and the Speakers Fig 8 1 Remove the 5 screws and disconnect 4 cables Detach the Main board ASSY as Fig 9 Fig 9 2 Remove the 4 screws and 2 Cables Detach the Power board as Fig 10 a M m NN E NM N S M NM S P W NM HUS m s NOR Wn m a NN s M m M W s F HN Fig 10 3 Remove the 1screws Detach the IR board as Fig 11 Fig 11 10 4 Remove the 1screws Detach the Key Pad ASSY as Fig 12 Fig 12 5 Detach the Speakers as Fig 13 Fig 14 z Fig 13 Fig 14 11 Step4 Remove BASE SUPPORT Remove the 4 screws and 2 cable clamps Detach the BASE SUPPORT as Fig 15 Fig 15 12 Step5 Remove PANEL module 1 Remove the 4 screws Detach the PANEL HOLDER as Fig 16 Fig 17 Fig 18 Fig 16 Fig 17 Fig 18 13 CHAPTER 3 ADJUSTMENT PROCEDURE 1 ADJUSTMENT PROCEDURE 1 Main Menu The default value is marked in red Picture Settings Mode User Standard Movie Ga
35. plugged into HDMI1 Terminal Check the line between pin 78 of IC U2102 and CN8103 Is the HOT PLUG detection function of NO pin 19 of HDMI terminal CN8103 YES Main UNIT Check the connection and setup with 15 TMDS signal input into pin RX3 2 2B RX3 1 RX3 1B E NO Check the line between IC U2102 and the external HDMI devices RX3 O RX3 0B RX3 C RX3 CB of IC U2102 YES Refer to The picture doesn t appear in all modes 30 lt input Input Rear_HDMI2 gt No picture on the display 4 Does not the picture display when HDMI cable plugged into HDMI 2 Terminal Check the line between pin 7 of IC U2102 and CN8101 Is the HOT PLUG detection function of pin 19 of HDMI terminal CN8101 YES Check the connection and setup with Is TMDS signal input into pin the external HDMI devices RX1 2 RX1 2B RX1 1 RX41 1B NO gt Check the line between IC U2102 and RX1_0 RX1_0B RX1_C RX1_CB of IC U2102 YES Refer to The picture doesn t appear in all modes 31 lt External input Input Rear HDMI3 gt No picture on the display 5 Does not the picture display when HDMI cable plugged into HDMI 3 Terminal Check the line between pin 1 of IC U2102 and CN8102 Is TMDS signal input into pin Check the connection and setup with the external HDMI devices RX2 2 RX2 2B RX2 1 RX2
36. r to the owner 0990 DVM AC SCALE 0 15 uF TEST PROBE CONNECT TO KNOWN TO EXPOSED METAL PARTS EARTH GROUND Precautions for using lead free solder Using lead free wire solder When fixing the PWB soldered with the lead free solder apply lead free wire solder Repairing with conventional lead wire solder may cause damage or accident due to cracks As the melting point of lead free solder 5 is higher than the lead wire solder by 40 C we recommend you to use a dedicated soldering bit if you are not familiar with how to obtain lead free wire solder soldering bit contact our service station or service branch in your area Soldering the melting point of lead free solder Sn Ag Cu is about 220 C which is higher than the conventional lead solder by 40 and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resisiance temperature of paris may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains more tin and the end of the soldering bit may be easily corroded Make sure to turn on and off the power of the bit as required If a different type of solder stays on the tip of the soldering bit it is alloyed with lead free solder Clean the bit after every use of it When the tip of
37. receive this low voltage to make backlight work normally When AC input turn off the ACD signal will output a high voltage then the main board receive this high voltage to make backlight shutdown 63 SCHEMATIC DIAGRAM ME Top Down Sequence POWER_KEY CN901 2 0mm 90 W L 4 EMT To IF BD ADC1 901 902 R904 R901 R906 R907 R905 R903 R902 1000p 25V 1000p 25V 8 2K 196 4 32K 196 0 0 2 2K 196 4 32K 196 8 2K 196 D901 D902 0 055p 24V 0 055p 24V SW903 SW901 SW905 SW904 SW906 SW907 SW902 ENU NPUT POWER KEY H H C908 1 I1 ff 7 C903 C904 C909 1000p 25V 1000p 25V C905 1000p 25V R103 5VSB 5VSB 5VSB NC O SOLK SCLK CN101 ADC SDA e R105 IR 1 2 10K 4 LED1 ON OFF 5 8 U101 FM 1038FN 5CN LED2 ON OFF N C102 C105 1 25mm 90 0 1u 16 10p 50 D106 C103 C104 NC 0 055p 24V D107 1000p 50V NC 1000p 50V 0 085 7249 D105 0 055p 24V D103 IS 0 055p 24 100p 50V 0 055p 24V 5 5 T U102 3213 C108 NC 0 1u 16V I2C_SCLK ADC_SDA NC 1M 1 5VSB 5VSB O U103 For NAFTA For Others ALS PDIC17 77C TR8 R114 26 32 42 46 51K Red Only R R off G on 6 Light Sensor 12 VCC VOUT GND GND C109 2 SCLK D101
38. the soldering bit is blackened during use file it with steel wool or fine sandpaper Be careful when replacing parts with polarity indication on the PWE silk CHAPTER 1 OPERATION MANUAL 1 SPECIFICATIONS Item Model LC 32LE440U TV standard American TV Standard ATSC NTSC System VHF UHF VHF 2 13ch UHF 14 69ch CATV 1 125ch non scrambled channel only Receiving Digital Terrestrial TV function 2 69ch channel Broadcast 8VSB Digital cable 1 64 256 QAM Audio multiplex System 75 Unbalance F Type x 1 for Analog VHF UHF CATV and ANT CABLE Digital AlIR CABLE INPUT2 HDMI in with HDCP Rear INPUT3 HDMI in with HDCP PC HDMI Audio in 8 3 5mm jack Terminal 1 135ch non scrambled channel only IN Analog RGB PC in 15 pin mini D sub female connector os rei ae 187 68 185 Weight 167 Dimension TV stand 30 2964 x 219128 96 128 inch W H D TV only 30 2964 101852 2 10716 inch Operating temperature 32 F to 104 F 0 C to 40 C Responsetime 2 DIMENSIONS 318 7 L ec WALL MOUNTING VESA compatible wall bracket millmeters WXH 200 X 100 Metric 4 x 20 mm TV screen size Inches screw type CHAPTER 2 Removing of Major Parts 1 Assy Panel Removal Notes Please put your machine on soft material to avoid scrape panel when you disassemble it Front view Back view Fig 2 otep1 Rem
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