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SERVICE MANUAL

1. E 3V3 S 3v3_DDDS PER 2V5 E Fed o 800 OHM gt zi gt gt 600 OHM 23 cas S cal 9 cat Ecol E cas 22UF 16V JE S3 E E 30 16 1 Ke 28 2 E 2 2 is ge GND Bus SDDS eid 600 OI GND Close to respective power Pins 3 3 z 600 OHM i ey u gs cel z Z cw czej Ecol E car cs Besl Beal Bess E 04 E ee EE ES Gr E i EU i mer Se E WA Pura ourney _ esie TL 22 160 I E 2 S Ta E ETE Te E E cho 88 88 8888 28 he SE PRL FATE D E 7 he hl y Ra p Y 3 RGB _ ma op 0 BB BB Beete yreddevdveadaa 600 OHM 149 AVDD AED 8 ga ga A EE DEE GND ADD DEN SIGNAL PIN 4 28 3 S 88 88 9 299856 C48 50 051 052 C53 54 055 141 Avoo Bue 2 amp 90200022 22 220 1617 22 010 16 o tur tev 0 1uF 16V o 1uF 16V o tur tev s 2
2. LM 729 Service Manual Rev A 1207 93L 64 1152T 148 IPCS 1208 93L 64 1152T 1N1148 IPCS 1009 93L 64 717 148 IPCS 210 93L 64 1152T 1N1148 IPCS 1003 93L 64 717 1M1148 IPCS 100 56158 4 T A 1 IPCS 902 57L 419 PP T 2PC945P IPCS C901 57L 420 PP T 2PA733P IPCS 911 641700 1020AT 1000PF 50V PEN IPCS C204 641 700 1040AT 0 1LF 50V PEN IPCS 205 641 700 1040AT 0 1LF 50V PEN IPCS 206 641 700 1040AT 0 1LF 50V PEN IPCS C909 641 700 1040AT 0 1LF 50V PEN IPCS 936 641 700 1040AT 0 1UF 50V PEN IPCS 221 0 0 47uF 50V IPCS 222 00 0 47uF 50V IPCS 208 65L 44233113T 330PJ NPO 50V IPCS 398 65L 444471 5T 470P 50V O P IPCS C399 65L 444471 5T 470P 50V DP IPCS 908 65L 450104 7T 0 1UF 480 20 50V Y5V IPCS C920 65L517K102 516052 1000PF 10 Y5P 500V OPS 921 65L517K102 516052 1000PF 1096 Y5P 500V OPS C920 651517K102 516213 1000PF 10 Y5P 500V IPCS 921 65L517K102 516213 1000PF 1096 Y5P 500V IPCS C920 65L517K102 516285 1000PF 1096 Y5P 500V OPS 921 65L517K102 516285 1000PF 10 Y5P 500V OPS 907 67L 309220 7T 22UF 20 50V IPCS 207 67L 309479 7T 4 TUF 2096 50V IPCS 924 671215B4713HT 470UF 16V LTR471MCF11V IPCS 926 671215B4713HT 470UF 16V LTR471MCF11V IPCS 201 671215C1514HT LOWESR 150UF 25V 41 IPCS 223 671215C1514HT LOWESR 150UF 25V 4 IPCS 203 56L 566 10 SI 4431Dy T1 SM OPCS 04 56L 566 10 SI 4431Dy T1 SM OPS U201 56L 608 1 TLI451ACD IP
3. LM 729 Service Manual Rev A 6510603104 12 0 1UF 10 16V X7R IPCS C16 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS 5 6510603104 12 0 1LF 10 16V X7R IPCS 50 6510603104 12 0 1LF 10 16V X7R IPCS C 6510603104 12 0 1UF 10 16V X7R IPCS 52 6510603104 12 0 1LF 10 16V X7R IPCS 53 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS 55 6510603104 12 0 1LF 10 16V X7R IPCS 58 6510603104 12 0 1LF 10 16V X7R IPCS 59 6510603104 12 0 1UF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS CD 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS C71 6510603104 12 0 1LF 10 16V X7R IPCS C72 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 32 CHP 0 1UF 50V X7R IPCS 4 6510603104 32 CHP 0 1UF 50V X7R IPCS C85 6510603104 32 CHP 0 1UF 50V X7R IPCS 38 6510603104 32 CHP 0 1UF 50V X7R IPCS 96 6510603104 32 CHP 0 1 50V X7R IPCS 97 6510603104 32 CHP 0 1UF 50V X7R IPCS 98 6510603104 32 CHP 0 1UF 50V X7R IPCS 2 6510603104 37 CH P 0 1UF 50V Y5V IPCS C68 6510603509 31 CHP 5PF 0 SPF 50V NPO IPCS C69 6510603509 31 CHP 5PF 0 SPF 50V NPO IPCS C111 67L 312101 3 SMD 100LF 20 16V IPCS C117 67L 312101 3 SMD 100LF 20 16V IPCS C120 67L 312101 3 SMD 100LF 20 16V
4. 15 5 2 Software Flow Chart 16 5 3 Electrical Block Diagram 18 5 3 1 Main Board 18 LM 729 Service Manual Rev A 5 3 2 Inverter Power Board 19 6 Schematic 21 6 1 Main Board 21 6 2 AUDIO Board 25 6 3 Key Board A 26 6 4 Inverter Power Board 27 7 PCB Layout 29 7 1 Main Board 29 7 2 Inverter Power Board 31 7 3 Keypad Board And A
5. 3318027 16 WAFER 16PI N 2 Om I1 P IPCS 401 457624 1B CPU LABEL IPCS AOL 45762412A QFC LABEL IPCS 51L 6 4501 RIV 3G LP 56L1133 42AN2 A290011TL 70 IPCS 88L 35315FHAS D SUB 15PIN IPCS CN 881 35424F FB DM D CONN 24P IPCS 90L 372 1 HEAT SINK IPCS Page 47 of 61 LM 729 Service Manual Rev A Xl 93L 22 53 CRYSTAL 14 318MHHG 49U IPCS AI C780KACAC MIN BOARD 33L8019 30 WAFER FHL2 30S 0 5SH SM IPCS NI 33L8019 50 CONNECICR 50P IPCS u 56L 562 37 GM126 IPCS TB 56L 563 25 AI C1084 33CE TO 252 IPCS Q 56L 566 12 AD4801 IPCS LD 56L 585 7 RI9164 25d IPCS U 56L1133 33 MAC16 MOT IPCS u 56L1133 34 M4002 VUGT SM IPCS u 56L1133 34 M4002 VNT SM IPCS UB 56LALVE 14 P 7ALVCI4ADT IPCS 5 57L 417 4 PMBS3904 PH LI PS 4 IPCS RP2 61L 125103 8 CH P AR 8P4R 10KCHM 5 IPCS 6110603000 CH PR OCM 5 1 16W IPCS FB 6110603000 CH PR OCHM 5 1 16W IPCS FB3 6110603000 CH PR OCHM 5 1 16W IPCS R114 6110603000 CH PR OCM 5 1 16W IPCS R118 6110603000 CH PR OCHM 5 1 16W IPCS R219 6110603000 CH PR OCM 5 1 16W IPCS R223 6110603000 CH PR OCM 5 1 16W IPCS RZ6 6110603000 CH PR OCHM 5 1 16W IPCS R39 6110603000 CH PR OCM 5 1 16W IPCS R41 6110603000 CH PR OCM 5 1 16W IPCS HO 6110603000 CH PR OCM 5 1 16W IPCS R72 6110603000 CH PR OCM 5 1 16W IPCS R 3 6110603000 CH PR OCM 5
6. 5 4 BW 1 R228 6111206152 CH PR 1 SK GM 524 BW 1 R229 6111206152 CH PR 1 SK GM 5 4 8W 1 R230 6111206152 CH PR 1 SK GM 5 8W 1 R231 6111206152 CH PR 1 SK GM 524 BW 1 6 6111206240 2F CH P 244 010 1 8W 1 R909 6111206472 GHP 4 7KEM5 1 OW 1 0 6111206472 GHP 4 7KEM5 1 OW 1 1 6111206472 GHP 4 7KEM5 1 OW 1 06 6111206754 CH P 750KCFM5 1 OW 1 07 6111206754 GH P 750KCEM 5 6 1 BW 1 Page 59 of 61 LM 729 Service Manual Rev A C910 6510805104 32 CHP 0 1UF 50V X7R IPCS 927 6510805104 32 CHP 0 1UF 50V X7R IPCS 203 6510805105 27 CH P 1UF 25V Y5V 0805 IPCS C209 6510805105 27 CH P 1UF 25V Y5V 0805 IPCS 210 6510805105 27 CHP 1UF 25V Y5V 0805 IPCS 211 6510805105 27 CH P 1UF 25V Y5V 0805 IPCS 212 6510805105 27 CHP 1UF 25V Y5V 0805 IPCS 219 6510805105 27 CH P 1UF 25V 0805 IPCS 220 6510805105 27 CH P 1UF 25V 0805 IPCS C224 6510805105 27 CH P 1UF 25V Y5V 0805 IPCS 225 6510805105 27 CH P 1UF 25V Y5V 0805 IPCS 203 93L 39S 3 T BZI52 C11 IPCS T204 93L 39S 3 T BZI52 C11 IPCS 1203 93L 39S 8 T ZD RLZ11B REM OPCS T204 93L 39S 8 T ZD RLZ11B REM OPCS 71904 9311 398 16 T SM47374 1 1WD0 214AC OPCS 71904 9311 3295 T PIZ7 5B IPCS ZL901 93L 39S 20 T 7228 BY 4 IPCS 1001 9312004 1 SMIL240LVXRO SM OPS 1202 9312004 1 SMIL240LVXRO SM OPS 201 9312004 2 SR24 PAN IT SM IPCS 202 9312004 2 SR24 PAN IT SM I
7. Bize Document Number Rev B gm5126 A Bae 000 01 22 2008 Eneet 7 of 8 Page 25 of 61 LM 729 Service Manual 6 2 AUDIO Board CN204 R201 0 R203 10K V GND C211 100 pF 33L8022 3A H FEMALE 60 1 4W gi erg o 5 60 1 4W gi OUT_LOUT_R Y PA zm C202 Lp 470uF 16V 470uF 16V 0 pF 1 2 Zi IL V GND V NP OLUME a ol wo GND O pF E j U201 TDA7496L E C205 CN203 0204 0 47LF gt e 4 4 KZ 470uF 16V SS N 2089 0 47UF 9 el C207 470uF 16V e 220K 1 4 11 WAFER 4P2 0 R A V L se R207 R208 GND C212 amp w C209 C210 C213 8 2 2 100 pF 1 00 0 1uF 470uF 16V 00 V GND GND GND 2003 21 00 lt Doc gt 000 00 21 2003 Page 26 of 61 LM 729 Service Manual 6 3 Key Board 3 LED O 3 LED G C83 USE RANGE gt 11 gt 010 X 44 x USF AN gt gt 181 To 74 R R90 R91 og op 1 16W Z 9 ba 6 6 al a uj i CN9 LED_GRN LED_ORG REY_AUTO 1 2 KEY MENU KEY RIGHT 2 s KEY LEFT 7 8 WAFER 8P2 0 DUAL R A 37 278 5 OF OL 5 2 a 8 a 8 S d 3 5 elo GND coo w SOT 23 R94 100 1 16W RP3 1 8 KEY LEFT EM 2 Fi KEY AUTO GPIO3 3 6 KEY MENU RARE s pm gt GPIO2 l
8. EH KE R74 NC x xa n C75 BEECH 100uF 16V 8 GND T 9 10 S T 11 HA 3 TCON_ROE ERE E 3 3 TCON_RSP2 TCON RCLK 14 5 3 TOON RCLK 5 R76 op He 3 TCON EPOL TON EOL n 3 TCON_LP TCON ESP 19 E R77 3 TCON ESP 5 3 20 NC 4 EDN EDOON 2 3 EDOOP EON 5 3 3 EDO1N cu E 3 GND 3 EDO1P 26 8 ec a 3 EDO2N E 3 3 EDO2P 3 I 3 ECLK RS N C ECHCRE P 31 3 3 ECLKRSP 3 ED10N T 33 3 ED10N 3 3 ED10P amp E a 3 1 85 3 ED11N oe Si 3 3 ED11P A 3 ED12N 3 3 ED12N 3 ED12P ED ED20N T 42 3 ED20N 3 ED20P E B ED21N s 3 ED21N 3 ES 3 ED22N m E 3 ED22P E A V GND CONNECTOR 50P CONNECTOR for PANEL Rev A 12V A R200 09 80 ODOON ODO1N ODO1P ODO2N ODO2N ODO SE OCLK RS N EE OCLK RS P OD10N E OD10P OD1iN ODT1P OD11N OD11P OD12N OD12N amp ODi2P OD12P OD20N ma OD20P OD21N OD21N ODZIP OD21P amp OD22N OD22P 1 C200 2211 R201 CNS R202 NC 5100 1 16W 3 CfRLP12v V GND A 23 3 PPWR gt gt Lood View PMBS3904 R78 Com 5 150uF 16V 27 op 11ew NC 12V R79 NC R80 100 0 1 16W R81 NC 3V3 R82 116W R83 NC ej o 1 ar am 02 3 PPWR
9. FOO 71L 59G301 CH P BEAD 4 IPCS 01 71L 5901 CH P BEAD 04 IPCS RO5 711 59G301 CH P BEAD 041 IPCS Wb 87L 202 32 PLOC CON 32PIN IPCS ZD4 93L 39147 TZMD5Vo G308 OPCS 93L 39147 TZMD5Vo 508 OPS ZDI 93L 39149 MI5232B BY FUL PO ER OPCS ZD 93L 39149 MI5232B BY FUL PO ER OPCS 93L 39149 MI5232B BY FUL PO ER OPCS ZD6 93L 39149 MI5232B BY FUL PO ER OPS ZD7 93L 39149 MI5232B BY FUL PO ER OPCS 93L 39149 MI5232B BY FUL PO ER OPCS 931 39149 MI5232B BY FUL PO ER OPS 93L 39151 248 SM IPCS ZIP 93L 39151 248 SM IPCS Page 52 of 61 LM 729 Service Manual Rev A 931 39151 248 SM IPCS 93L 39151 72400 SM IPCS 93L 39151 248 SM IPCS 283 931 39151 248 SM IPCS ZD7 93L 39151 2486 SM IPCS 93L 39151 248 SM IPCS 93L 39151 248 SM IPCS D3 93L 60230 8 1540 143 IPCS 93L 60230 BAI54Q 143 IPCS DA 93L 64 32 114148 SMD OPCS DO 93L 64 32 114148 SMD OPS 21 93L 64 32 114148 SMD OPS D4 93L 6432V 114148 508 IPCS IPO 93L 6432V 114148 508 IPCS 11 93L 6432V 114148 508 IPCS DLO 93L 6433P BAV99 SM IPCS D1 93L 6433P BAV99 SM IPCS D2 93L 6433P BAV99 SM IPCS DI5 93L1004 3 SS14 IPCS Di6 93110200 1 S GID IPCS 71511100 F MIN BOARD IPCS ONPC780A2 GONVERSI ON BOARD ONPC780A2AT GONVERSI CN B
10. V93L4646 CM L COVER LI ET IPCS Page 61 of 61
11. keys pressed 8 Enter factory mode 9 Save the power key status into EEprom Turn on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the life time of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out a interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappear 17 Program the scalar to be able to show the coming mode 18 Process the OSD display 19 Read the keyboard Is the power key pressed Page 18 of 61 LM 729 Service Manual Rev A 5 3 Electrical Block Diagram 5 3 1 Main Board LCD Interface CN4 CN5 Scalar gm5126 gm2126 Flash Memory Include MCU ADC OSD W39f010P 70B U6 RGB Hsync EPR SDA RXD Vsync EPR SCL TXD OSD Gosi DVI I only EEPROM D Sub Connector Interface 24016 C e i onnector CN9 END U7 CN2 DB15_SDA DB15_SCL EEPROM D I only 24C02 EEPROM 24C02 U1 U2 Page 19 of 61 LM 729 Service Manual 5 3 2 Inverter Power Board Rev A Inverter Block Diagram Vin gt Buck Connector Driver Circuit 7 Vin e e Li Driver Circuit Dimming control PWM Parallet resonant inverter Dimming control PWM 000 Parallet resonant inverter Page 20 of 61 CCF
12. 0 6510603103 32 0 O1UF4 10 DON X7R IPCS a1 6510603103 32 0 O1UF4 1096 50V X7R IPCS C14 6510603103 32 0 O1UF4 10 50V X7R IPCS C15 6510603103 32 0 O1UF4 10 DON X7R IPCS C7 6510603103 32 0 O1UF 10 DON X7R IPCS C8 6510603103 32 0 O1UF4 1096 DON X7R IPCS C119 6510603104 12 0 1LF 10 16V X7R IPCS C12 6510603104 12 0 1UF 10 16V X7R IPCS C121 6510603104 12 0 1LF 10 16V X7R IPCS C124 6510603104 12 0 1LF 10 16V X7R IPCS C125 6510603104 12 0 1UF 10 16V X7R IPCS C17 6510603104 12 0 1LF 10 16V X7R IPCS 201 6510603104 12 0 1LF 10 16V X7R IPCS C24 6510603104 12 0 1UF 10 16V X7R IPCS C25 6510603104 12 0 1UF 10 16V X7R IPCS 27 65L0603104 12 0 1LF 10 16V X7R IPCS 28 6510603104 12 0 1LF 10 16V X7R IPCS C29 6510603104 12 0 1UF 10 16V X7R IPCS C30 6510603104 12 0 1LF 10 16V X7R IPCS C31 65L0603104 12 0 1LF 10 16V X7R IPCS C32 6510603104 12 0 1UF 10 16V X7R IPCS C33 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1UF 10 16V X7R IPCS C37 6510603104 12 0 1LF 10 16V X7R IPCS C38 6510603104 12 0 1UF 10 16V X7R IPCS C39 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS 6510603104 12 0 1LF 10 16V X7R IPCS OH 6510603104 12 0 1UF 10 16V X7R IPCS Page 50 of 61
13. 1 16W IPCS R 6 6110603000 CH PR OCM 5 1 16W IPCS RIO 6110603101 CH PR 100 CF M 6 IPCS HS 6110603101 CH PR 100 CF M 5 1 16 IPCS R16 6110603101 CH PR 100 CF M 5 1 16 IPCS R17 6110603101 CH PR 100 CHEM 4 5 1 16 IPCS R18 6110603101 CH PR 100 CF M 5 1 16 IPCS R4 6110603101 CH PR 100 CF M 5 1 16 IPCS R27 6110603101 CH PR 100 CF M 5 1 16 IPCS F5 6110603101 CH PR 100 CF M 5 1 16 IPCS F6 6110603101 CH PR 100 CFM 5 1 16 IPCS F8 6110603101 CH PR 100 CF M 5 1 16 IPCS RL17 6110603102 CH PR 1K GM 5 1 16W IPCS R233 6110603102 CH PR 1K GM 5 1 16W IPCS Page 48 of 61 LM 729 Service Manual Rev A PA 6110603102 CH PR 1K M 5 1 16W IPCS Pol 6110603102 CH PR 1K M 5 1 16W IPCS R11 61L0603103 CH PR 10K CEMA 5 1 16 IPCS R12 61L0603103 CH PR 10K CEMA 6 IPCS R20 6110603103 CH PR 10K CCM 5 1 16 IPCS R201 6110603103 CH PR 10K CM 5 1 16 IPCS R21 6110603103 CH PR 10K CEMA 5 1 16 IPCS R225 6110603103 CH PR 10K CEMA 5 1 16 IPCS R230 6110603103 CH PR 10K CM 5 1 16 IPCS R231 6110603103 CH PR 10K CM 6 IPCS R232 6110603103 CH PR 10K CEMA 5 1 16 IPCS R3 6110603103 CH PR 10K CEMA 5 1 16 IPCS R33 6110603103 CH PR 10K CEMA 6 IPCS P53 6110603103 CH PR 10K CEMA 5 1 16 IPCS F56 6110603103 CH PR 10K CHEM 4 5 1 16 IPCS 17 6110603103 CH PR 10K CEMA 6 IPCS R64 6110603103 CH PR 10K CCM 6 IPCS R65 6110603
14. 1 01 01 3S RN 8 i 48 01 01 01 01 Ol Ol RC m 00 98 51 00 2A 40 10 90 64 B 00 m OE 11 00 O E O 00 00 FF O 31 32 B 80 3 35 30 37 38 39 30 3 32 000000 00 EFD 0 37 96 4B 1E 53 OE 00 A 20 20 20 20 20 20 00 00 00 FC 112 00 41 43 20 4C 4D 3 32 39 OA 20 20 20 00 08 Note Byte OC OD OE OF means Serial No Byte 10 11 means Manufacture Time Byte 7F means checksum Page 44 of 61 LM 729 Service Manual Rev A 11 BOM List ALPC780A5 AUTO BOARD IPCS CBPC780KACAC CONERSI CN BOARD IPCS ONPC780A2 GONVERSI ON BOARD IPCS KEPC780KB6 KEY BOARD IPCS PVPC7425B3 PO ER BOARD IPCS 121 408 4 SR600A66 IPCS 1515851500 MI N FRAME IPCS 1515908 1 BRACKET IPCS 26L 800504 7 PAROLE IPCS 3314642 GM L BUTTON FUNC IPCS 3314643 1 LEN POVER IPCS 3314645 CM L COVER 2 VESA IPCS 34L1190BN B BEZEL IPCS 3411191 GM1B REAR COVER IPCS 40L 154501 1 H POT GND LABEL ECR MD IPCS 40L 19061530A ID LABEL IPCS 40L 459615 1A 0 720 CAUII ON LABEL IPCS 40L 575 62 TUPO LABEL IPCS 41L 68615 4B TCO 99 CARD IPCS 41L780061543A BG IPCS 4413231 15 EVA WSHER IPS 4413718 1 EPS L IPCS 4413718 2 EPS R IPCS 4413718615 2A CARICN IPCS 45L 76 28 RN pe bag for base MNAL 1PCS 45L 88500 1 PE BAG OPCS 45L 88500 2 PE BAG OPCS 45L 88606 S PE BAG FR BASE IPCS 45L 88607 PE BAG ECR MN TCR IPCS 45L 88609 B EPE COVER IPCS 45L 88621 4 PE BAY FR LIFT IPCS 50L 600 2 HANI El IPCS 50L 600 3
15. 103 CH PR 10K CEMA 5 1 16 IPCS R66 6110603103 CH PR 10K CM 5 1 16 IPCS R67 6110603103 CH PR 10K CM 5 1 16 IPCS Rm 6110603103 CH PR 10K CEMA 6 IPCS R71 6110603103 CH PR 10K CEMA 5 1 16 IPCS RA 6110603103 CH PR 10K CM 6 IPCS R200 6110603104 CH PR 100K CM 5 1 1 IPCS R203 6110603104 CH PR 100K CGHM 5 1 1 IPCS P34 6110603202 CH PR 2K M 5 1 16W IPCS R35 6110603202 CH PR 2K CHM 5 1 16W IPCS RZ 6110603220 CH PR 22 M 5 1 16W IPCS RA 6110603220 CH PR 22 M 5 1 16W IPCS P55 6110603220 CH PR 22 M 5 1 16W IPCS R86 6110603302 CH PR 3K GM 5 1 16W IPCS RI 6110603470 CH PR 47 M 5 1 16W IPCS R13 6110603470 CH PR 47 M 5 1 16W IPCS R14 6110603470 CH PR 47 M 5 1 16W IPCS RI9 6110603470 CH PR 47 M 5 1 16W IPCS R 6110603470 CH PR 47 M 5 1 16W IPCS R28 6110603470 CH PR 47 M 5 1 16W IPCS RL13 6110603472 CH PR 4 7K GM 5 1 1 IPCS R115 61L0603472 CH PR 4 7K GM 5 1 1 IPCS R32 6110603472 CH PR 4 7K GM 5 1 1 IPCS Page 49 of 61 LM 729 Service Manual Rev A R46 6110603472 CH PR 4 7K CHM 5 1 1 IPCS R38 6110603750 CH PR 75 CM 5 1 16W IPCS R40 6110603750 CH PR 75 CM 5 1 16W IPCS R29 6110603750 9F 750M1 IPCS R30 6110603750 OF 750M1 IPCS R31 6110603750 OF 750M1 IPCS FB15 6110805000 CH P OGM1 10W IPCS FBI6 6110805000 CH P OGM1 10W IPCS FB17 6110805000 CH P OGM1 10W IPCS C1
16. 2 56L 139 3 PC123FY2 BY SHARP OPS I C902 56L 139 3B PC123 Y82 IPCS 1001 56L 379 32 SG5841D BY SYSTEM IPCS 209 57L 761 6 2505706 DIP SANO IPCS 210 57L 761 6 2505706 DIP SANO IPCS 211 57L 761 6 2505706 DIP SANO IPCS QU 57L 761 6 2505706 DIP SANO IPCS F919 61L 2 39864B 0 390M5 2W IPCS Not 61L 58080 W 8 CIMNCIR IPCS 03 611152004 64 LOOK EM DOG 2W IPCS C904 63L 107474 5S 0 47LF 1096 250VAC OPS C904 63L 107474 HS 0 47LF 1096 250VAC IPCS C904 63L 10747410S 0 47UF 1096 250VAC OPCS 213 0002 PM 0 22UF 250V IPCS C214 631210 224242 PM 0 22UF 250V IPCS 213 641 180 224AAT CAP 0 22UF 160V R79 OPS C214 641180 224AAT CAP 0 22UF 160V R79 OPS C906 65L 2K152 50052 1500 PF 10962KV Y5P OPCS C906 65L 2152 556285 1500 PF 10 2KV Y5P OPS C906 65L 28152 586921 1500 PF 10 2KV Y5P IPCS 215 65L 3 2206EM 22PF 5 3KV MIBATA OPS 218 65L 3 2206EM 22PF 5 3KV OPCS Page 54 of 61 LM 729 Service Manual Rev A C227 65L 3 2206EM 22PF 5 3KV MIBATA OPS 229 65L 3 2206EM 22PF 5 3KV OPS 215 65L 3 2206ET 22PF 5 3KV TOK IPCS 218 65L 3 2206ET 22PF 5 3KV TOK IPCS C227 65L 3J 2206ET 22PF 5 3KV TOK IPCS 229 65L 3 2206ET 22PF 5 3KV TOK IPCS C901 65L305M222072 2200PF 400VAY 250VAC OPCS C902 65L305M222072 2200PF 400VAY 250VAC OPCS C901 65L305M222E3 2200PF 209400VAC BY TD IPCS C902 65L305M222E3 2200PF 209400VAC BY
17. 2 809 N 31 500 640x480 75Hz 840 x 500 37 500 N 75 00 N 31 500 800x600 56Hz 1024 x 625 35 156 N P 56 250 N P 36 000 SVGA 800x600 60Hz 1056 x 628 37 879 P 60 317 P 40 000 800x600 72Hz 1040 x 666 48 077 P 72 188 P 50 000 800x600 75Hz 1056x625 46 875 P 75 000 P 49 500 1024x768 60Hz 1344x806 48 363 N 60 004 N 65 000 1024x768 60Hz 1312x813 48 78 N 60 00 N 64 000 XGA 1024x768 70Hz 1328x806 56 476 N 70 069 N 75 000 1024x768 72Hz 1304x798 57 515 P 72 074 P 75 000 1024x768 75Hz 1328x804 60 200 N 74 90 N 80 000 1024x768 75Hz 1312x800 60 023 P 75 029 P 78 750 XGA 1152x864 75Hz 1600x900 67 50 P 75 000 P 108 000 SXGA 1280x1024060Hz 1688x1066 63 981 P 60 020 P 108 000 1280x1024075Hz 1688x1066 79 976 P 75 025 P 135 000 IBM MODES Horizontal Vertical Nominal Nominal Pid Mode Resolution Total Frequency Freg SC W 0 5kHz Polarity 1 Hz Polarity Clock MHz DOS 720x400 70Hz 900 x 449 31 469 N 70 087 P 28 322 DOS 6400400777 800 x 449 31 469 N 70 087 P 25 175 MAC MODES VGA 640x480 67Hz 864x525 35 000 N 66 667 N 30 240 SVGA 832x624 75Hz 1152x667 49 725 N 74 551 N 57 2832 Page 12 of 61 LM 729 Service Manual Rev A 4 3 Power Supply Reguirements 4 3 1 Input Reguirements PARAMETER aa SOS Input AC Voltage 100 to 240VAC RMS Universal input full range Input Frequency Oz 100VAC to 50Hz 240VAC Input Current Less than 2 0 Amps RMS Input voltage 100 VAC RMS 60 Hertz Parameter must be re
18. 88 66 dx 4 4 188 ADC OCH11P_RS 58_x ap 155 AGND ADC oo as L 2 mes cho ib Tag AGND RED OCHIOP RS ge opn 32 4 sava Foe 148 AGND GREEN OCHION RS 90225 4 AGND BLUE OCHSP RS L eda 215 4 QES m ECT dE Ed T 357 avon axe OCHBP RS L z 205 4 600 OHM z 126 AVDD AKO oC be OD20N 4 C57 C58 059 Cen 061 C62 120 AVDDCRXI 58 2205 161 d AVDD_RX2 OCHZP RS Bx 9 2 fo tuF t6v D I Ne OGHIN RS 2x Se 4 m OCHGP RS L 0D12P 4 Lou FB9 436 4 AGND_AXO OCHeN RS ac 4 avo 428 AGND_RXO OCHSP_RS L opt 4 LA 423 AGND PXI OCHSN_RS ODIN 4 T T tia AGND RX2 our RS Bi ODIN OD10P 4 600 OHM m 8 OCH4N_RS 00 4 vo zm Ce 50 OCLK as P et AGND OCLKP RS OCLK RSP 4 2205 161 01067 DEEN GL RS OLK ASN AIR d E 46 GND GND 172 OCH3P RS s 4 PPWR 1721 wes RPLL OCH3N US 7 PBIAS 188 Avss DDDS OCH2P RS L open 4 AVSS_SDDS OCHAN RS ODO2N 4 KS ca az mm ao xeu QGHIP RS SE ODP 4 We E on fer 4p se ODIN 4 7K 14 318MHz NC AGND OCHOP RS d 4148 28 OCHON_RS ODOON 4 PBIAS s a 77 Ej ces A eN SEE 1 XTAL ECHI0P RS Seer 4 22 90 ECHION RS Pag EDzip EDEN 4 s 7 STDBY 22 GPIOZ0 HDATA3 ECHoP RS 27 4 2 VGA PG Rea SCH FAME 92 8210190 7 2 ECH9N RS Ha Epzgp ED21N 4
19. 909 47 R927 IKO 1 4W T T T D903 T F901 Y Mu FUSE 1 R924 R925 A 20901 0909 R910 0936 R929 33K 3840 C901 C902 RLZ20B our 4 7K Du JUMPER 001 uF 250V 0 007 R913 NC 0603 W L R928 T T R912 A 0801 1 IKO 1000 1 16W 2PA733P 10903 i HTL43 x T 0902 T In 0 R926 0910 R911 24K ta 47 2 1 Y Vv GN01 lt Title gt lt OrgName gt Size Document Number Rev B pwectazsa3 1 Date Bheet 1 of Page 28 of 61 LM 729 Service Manual Rev A 0215 Om Sun 2201 on 0 E 1 y H 1 2 O L Ze S D201 R224 R225 R226 zx 4 223 202 0202 0225 R214 SR24 X om Aa 2K 210 Z 0216 CZE 150025 0 1uF 25V DTA144WKA 1 29 94 RLZ11B PT201 22F 3KV IN 5 9 C218 4 0205 R220 0 0201 T hw MPS3904 pos TE con 15K 2 NOIOFF fa DTCI44WKA 2200 116W 1uF 25V ceo al Cem 6 280570 2805706 R201 R202 ii j 3040 1040 6 1 R218 POWER XFMR DIM SS t Tt 470 B and 007 R222 D209 R208 12K d 1414 470 0 MPS3906 18K R205 SZ x 7
20. A The Color Temp Temperature from EEPROM Temperature will Cool N A Recall Cool Color N A beset to Cool Temperature from EEPROM User Red R Red Gain from 0 100 The User R G B Digital register value default is User Green G Green Gain Digital register 0 100 100 will not be Modified by Reset User Blue B Blue Gain from 0 100 function Digital register Auto Yes N A Auto Adjust the H V Position N A N A Config Focus and Clock of picture Analog On No N A Do not execute Auto Config N A N A ly Model return to main menu Input Select Analog N A Select input signal from analog IN A N A Dual Input D Sub Model Digital N A Select input signal from digital N A N A 8 put sig 8 DVI OSD Setup H Position Adjust the horizontal position 0 100 50 0S a of the OSD V Position Adjust the verticalposition of 0 100 50 the OSD OSD Timeout Adjust the OSD timeout 1020 Page 9 of 61 LM 729 Service Manual Rev A Language Q English N A Set OSD display language to N A English The Language will be set to English XT N A ES Deutsch N A Set OSD display language to N A German Francais N A Set OSD display language to N A French Espa ol N A Set OSD display language to N A Spain Italiano N A Set OSD display language to N A Italian REK N A Set OSD display language to N A Simplified Chinese Information
21. ATQ c209 R240 D207 R234 SS T turzsv 514 1N4148 910 1 C205 t 4 t 0 tuF t R238 II 221 1260 R236 00 8200 HH M E dd dig an Q R207 193103499 10uF OPEN OEA Rea EG 0204 SMASIDY TI YA E cp eee esa po C217 OE O TLISIAGNSR 1 T 8 1 T 1 2200 C206 H H 7 OF Ad ad dad e Y R228 R229 R230 R231 i R215 D202 E 024 21 2K 2K C218 R206 2907 SR24 RLZ11B PT202 2201 47 0 5 31 3N201 0214 4 0206 R221 0 22uF 100V TN MPS3004 Beo a S 15K 2 2200 116W 1uF 25V 0212 6 C208 R204 0211 2805706 330pF Wa ii 0 3 R209 1 1 470 R219 POWER XFMR Y d 470 W 0208 R223 D210 idi Qus WM 12K 1414 10K ef Y 0206 R211 1N4148 15K0 R241 D208 R235 Y 514 1N4148 9100 1 4 t AOC Top Victory Electronics Co Ltd 222 R237 048 6207 j is power GND itle Y L ize Document Number lev B we is signal GND 3 Pate Friday July 25 2003 Bus of 2 Page 29 of 61 LM 729 Service Manual Rev A 7 PCB Layout 7 1 Main Board si 1 S St Ok w GC S ep all Sl SM WD EN mj 22800008 a NOOS 00 s Seele eg 39 Page 31 of 61 LM 729 Service Manual x o 0000000000 as aaa ARA STA EJ Blit 6 EE 7 g LEN Ki 000000000 BU e S E 5 i E A Page 32 of 61 685 9 el GE sso So e o LM 729 Service Manual Rev A 7 2 Inverte
22. CS 201 56L 622 1 BA9741F SM OPCS 203 56L 763 4 MOSFET OPCS 04 56L 763 4 MOSFET OPS 205 57L 417 4 PMBS3904 PH LI PS SMT 04 IPCS 206 57L 417 4 PMBS3904 PH LI PS 4 IPCS Page 58 of 61 LM 729 Service Manual 207 57L 417 6 PMBS3906 PH LI PS 6 1 208 57L 417 6 PMBS3906 PH LI PS 6 1 202 57L 760 4 DIA144WKA BY 171 1 201 57L 760 5 DICI44VRA BY RCEMSMI 8 1 203 57L 763 3 AOQ411 SO 8 BY ACB SM 1 04 57L 763 3 41 411 SO 8 BY AB SM 1 F929 6110603000 CH PR OCM 5 1 16W 1 F931 6110603102 CH PR IK GM 5 1 16W 1 R216 6110603221 CH PR 220 CHM 5 1 16W 1 R217 6110603221 CH PR 220 CHM 5 1 16W 1 F925 6110603362 P 3 6K GM1 16W 1 R212 6110603392 P 3 9K GM1 16W 1 R213 6110603392 P 3 9K GM1 16W 1 F927 6110805102 CH PR IK GM 5 1 10W 1 F928 6110805102 CH PR IK GM 5 1 10W 1 F926 6110805242 GHP 240 1 F924 6110805333 CH P 33KCEM 196 1 10W 1 R208 6110805472 GH RP 4 7K GM 5 1 1 1 R209 6110805472 GH RP 4 7K GM 5 1 1 1 2 6111206101 CH P 100 GM5 1 OW 1 0 6111206101 100 GM5 1 OW 1 5 6111206103 CH P 10KCFM5 1 OW 1 R901 6111206105 CH P 10005710 1 F902 6111206105 CH P 1000010 1 004 6111206105 CH P 100050710 1 F905 6111206105 CH P 100057 10 1 R224 6111206152 CH PR 1 SK GM 524 BW 1 R225 6111206152 GH PR 1 SK GM 1 R226 6111206152 GH PR 1 SK GM 1 R227 6111206152 CH PR 1 SK GM
23. DR 2 GPIO10 TCON_ROE3 LED_ORANGE 5 zeprinc 22PFING 10K _ BAT ROM n GPIO9 TCON ROE2 198 LEDGRN 5 mun 7 RMADDRI0 187 ROM ADDR10 GPIOV TCON FENG SCH 2 RHABDRR ROM ADDRS GND BoM WE v SWE RMADDRS 383 Rom vom GPIO12 NVRAM SDA 82 NO e 64 R65 nec BANKI x mA 33b GPIOTSINVRAM SCL L p g 3 BANKO a nat AMADA 81 ROM_ADDR7 GPIOSIRQINN 08 5 a o ll maal B 9 2 Stoa 72 38 RMADDRS 132 ROM_ADDRS GPIOUPWMO 3g T GND 10kg vg b in BMADDRIS zo Ais 21 BMDATAT FMADDFA ROM ADDRS GPIO PWMI VOLUME 7 2 2 RMADDR14 RMADDR13 28 14 007 gg EJ RMADDR3 194 ROM_ADDRA GPIO2PWM2 gg GPIOS E S IS RMADDRS RMADDR12 En A8 DOS Ce RMDATA RMADDR2 195 ROM ADDRS GPIOSTIMER 1035 GPIOS rios 5 RMADDR8 RMADDATT 25 412 DOS Ce 004 RMADDRT 196 ROM ADDR2 GPIOSTCON SHC 104 GPU GPIOS 5 RMADDR10 RMADDR10 23 1 17 RMDATA3 RMADDRO 197 ROM ADDRT GPIO7 TGON_TDIV GPIO 5 AMADDRTT RMADDRS 36 10 DOS 15 HMDATA2 ROM_ADDRO j 99 GPIOAUART DI 2 RMADDRS RMADDRE 29 002 14 AMDATATT 200 GPIOSUART DI 10g 3 ZI as Dai 261 ROM DATAT GPIOS UART DO GPIOSUART DO 2 TN AMORE 2027 ROM DATAS desees MADUREZ MADRE 7 FMDATAT 2037 ROM eserved 2 FRMADDRT RMADDR4 Cake RMUATAT ROM DATAE Reserved 3V3 45V RMADDRO RMADDR3 Spee RMDATA2 205 ROM DATAS 139
24. E button switch the MEM channel to Channel 02 with up or down arrow on chroma 7120 The lcd indicator on chroma 7120 will show x 296 10 y 2311 10 Y 200 5 cd m Adjust the RED on OSD window until chroma 7120 indicator reached the value R 100 adjust the GREEN on OSD until chroma 7120 indicator reached G 100 adjust the BLUE on OSD until chroma 7120 indicator reached B 100 repeat above procedure item 12 13 14 until chroma 7120 RGB value meet the tolence 210032 Press Exit on OSD window to save the adjustment result Turn the POWER button off to on to quit from factory mode Page 43 of 61 LM 729 Service Manual Rev A 10 EDIT Content A D SUB Connector Analog x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 XA xB xC xD xE xF 0 00 FF FF FF FF FF FF 00 05 E3 84 A7 OB 95 OD 00 16 1D OD 01 03 68 22 1B 78 2A 0 F5 AS 57 4A 9C 23 32 11 4F 54 BF EF 00 81 80 01 01 01 01 01 01 01 01 48 01 01 01 01 01 01 BC 4 00 98 51 00 2A 40 10 90 64 13 00 54 OE 11 00 00 1E 00 00 00 FF 00 31 32 33 80 34 35 36 37 38 39 30 31 32 33 00 00 00 ED 00 37 96 4B 1E 53 OE 00 OA 20 20 20 20 20 20 00 00 00 FC 112 00 41 47 43 20 4C 4D 37 32 39 OA 20 20 20 00 23 Note Byte OC OD OE OF means Serial No Byte 10 11 means Manufacture Time Byte 7F means checksum B DVI Connector Digital x0 xl x2 x3 x4 0 00 FF FF FF FF 16 1D 00 01 03 80 32 11 4F A BF EF x6 x7 x8 x9 xA xB xC xD XP 0 05 B amp OB 95 OD 00 B 78 2A FP A 57 A QQ 23 81 80 01 01 01 01 01 0
25. GEN _ GPIO1BHDATA EGHaP_RS QQ ED20P 4 GND 4 CTRLPIZV g9 GPIO17 HDATAO ECHBN RS ED2ON 4 2 DDC SDAA 3 GPIO16HFS m 2 DDC SCLA GPIO22 HCLK ECH7P_RS 53 X ECH7N RS L 108 RS 22 EDi2p 2 DDC SCL D GPIO14 DDC_SOL Eet RS y 4 Ee 2 ANR RENE 109 GPIO15 DDC_SDA ECHEN Rs Eon 4 3 12 148 V 107 ECHSP RS 1 vec RST wht ROME gr RESET ECHINAS SEDAN 4 HE Genus wen Echar RS 4 i SES ECHAN RS LS ED10N 4 2 RED RED lt lt 151 16 ECLK RS P 2 RED RED ECLKP RS HS EC RS P 4 Reset 2 af P PEREN Es RRR 4 Circuit 2 GREEN 9 142 GREEN 12 ae 2 BLUE 135 BLUE Soup RS IX 2 BLUE 143 BLUE ECHINAS X n 2 HS 176 HSYNC Soe Rs H EDO2P 4 2 vs ECH2N RS Hap EDON 4 E ADC TEST Ee pe 4 ia ECHIN RSs ppp gt 4 2 AKC 134 BXC ECHOP RS 5 EDDON 99 EDOOP 2 AKO RXC ECHON RS EDOON 4 118 U 7 P 2 RO HB RX2 E DIGITAL PORT RX 19 RX2 TCoN osp L 2 Bag og TCON OPOL L x 2 Do Sina TCON_OINV Lox EE 2 AKO ICON RSP2 43 EG 2 Da E AKO 00 Ases Hax reenen RCLK 4 TCON RcLk Ze T TCON ROE 4 za 7 Pes i view TCON ROE Pv pv 113 TCON ESP O R52 229 iew TOON ESP SGO TCON_EINV 5 X RDDR 180 nou ADDRIS Toon er HI BBE aeo 4 aos Lr ROM ADDR14 DHSITC N LP rote 4 D ere pv _ 3182 ROM _ADDR13 R56 vog anes O ROM Ab
26. HANI F2 IPCS 52L 1150 C VA TE TAPE 100M 52L 1207 A TAPE IPCS 52L 1208 A TAPE 3PCS 52L 1210602 SI LI VER IPCS 5216020 1 PROTECT FILM OPS 5216025 11522 MIAR IPCS Page 45 of 61 LM 729 Service Manual Rev A 5216025 11523 MLAR IPCS 5216025 11587 MIAR 138X144 IPCS 5216025 11588 MLAR 120X100 IPCS 70L1600615 7A CD MNAL IPCS 71L 100 21 CORE IPCS 71L 100 22 MS SH 23 12 3 IPCS 85L 635500 SH ELD IPCS 89L 173 56 8 110 CABLE 1800nm D AC IPCS 89L 173L15 28 SIGNAL CABLE IPCS 89L 176 30 12 FFC CABLE 30P 100nm IPCS 89L 176 50 4 FPC IPCS 8911745GA 2 SIGNAL CABLE IPCS 891404A18N IS PO ER CORD IPCS 9518014 4 7 HARNESS IPCS 9518014 16 4 HARNESS IPCS 9518021 12 1 HARNESS 127 Gm IPCS ML 130 6120 SCREW FCR PL MF IPCS ML 140 10120 SCREWMX10 4PCS ML 330 4128 SCREW MM IPCS MI1130 6128 SCREW 4PCS ML1130 6128 SCREW 4PCS ML1130 6128 SCREW 4PCS ML1140 6128 SCREW 4X6 IPCS ML1430 6128 SCREWMX6 2PCS QL 330 8120 SCREW3X8nm 3PCS QL1030 8120 SCREW3X8 N 7PCS 705L780KB34 28 CAB T ASS Y IPCS 750LLU70S05 LOD PANEL M 7CES05 IPCS 4044 007 L COVER VESA IPCS ALPC780A5 AUTO BOARD ALPC780A5AI AUTO BOARD IPCS 0203 33138002 4H WEER 4P AGT ANTE IPCS CND 33L800914K H 2 7PI NJ UAL RONR GT A IPCS 201 56L 616 1 TDA7496L BY ST IPCS 9016059 1 FEAT SI NK IPCS CPA 9513014 3 9 HARNESS IPCS ALPC780A5AI AUTO BOARD 71511133 1 AUTO BOARD
27. IPCS 705L 780 57 02 Q901 ASS Y IPCS 705L 780 57 15 1910 1912 ASS Y IPCS PVPC7425B3AL POER ASS Y FR Al PI201 6L 31502 1 5MMRI VET 2PCS PI202 6L 31502 1 5MMRIVET 2PCS 715L1103 D PCB IPCS HO 2 90 23 TIN CATED OPS FBOO3 2 90 23 TIN CATED OPS J 201 95L 90 23 TIN COATED OPS J 202 95L 90 23 TIN CATED OPS J 203 95L 90 23 TIN CNED OPCS J 204 95L 90 23 TIN GONTED OPS J 205 95L 90 23 TIN COATED OPCS 206 95L 90 23 TIN COATED OPCS J 207 95L 90 23 TIN CATED OPS 208 95L 90 23 TIN COATED OPCS 209 95L 90 23 TIN GONTED OPCS J 210 95L 90 23 TIN COATED OPS J211 95L 90 23 TIN COATED OPCS J212 95L 90 23 TIN GONTED OPS 901 95L 90 23 TIN COATED OPS 902 95L 90 23 TIN CNED OPS IJ 903 95L 90 23 TIN COATED OPS J 904 95L 90 23 TIN CATED OPS IJ 905 95L 90 23 TIN COATED OPCS IJ 906 95L 90 23 TIN COATED OPS J 907 95L 90 23 TIN CATED OPS IJ 908 95L 90 23 TIN CATED OPS J 909 95L 90 23 TIN CATED OPS 910 95L 90 23 TIN COATED OPS J911 95L 90 23 TIN CATED OPCS J12031 95L 90 23 TIN COATED OPS JL2032 95L 90 23 TIN COATED OPS UDO 95L 90 23 TIN COATED OPS JI2042 95L 90 23 TIN CATED OPCS Page 56 of 61 LM 729 Service Manual Rev A F917 61L 17210052T 100HM5 1 4W IPCS R243 61L 17210252T 1K 04 1 AW IPCS R244 61L 17210252T IK GM5 1 AW IPCS F918 61L 17210352T CER 10KCHM 5 1 AW IPCS F920 61L 17247052
28. IPCS C126 67L 312101 3 SMD 100LF 20 16V IPCS C73 67L 312101 3 SMD 100LF 20 16V IPCS 205 67L 312109 3 SMD 1 OLF 2096 16V IPCS 230 67L 312109 3 SMD 1 OUF 20 16V IPCS 231 67L 312109 3 SMD 1 OLF 20 16V IPCS C127 67L 312220 3 SMD 22UF 20 16V IPCS C23 67L 312220 3 SMD 22UF 20 16V IPCS C36 67L 312220 3 SMD 22UF 20 16V IPCS Page 51 of 61 LM 729 Service Manual Rev A G18 67L 312220 3 SMD 22UF 20 16V IPCS G19 67L 312220 3 SMD 22UF 20 16V IPCS 57 67L 312220 3 SMD 22UF 20 16V IPCS 67L 312220 3 SMD 22UF 20 16V IPCS C70 67L 312220 3 SMD 22UF 20 16V IPCS RP3 71L 564301 8K 300 BEAD IPCS FBL2 71L 56B221 CH P BEAD 220 CHMTE 01 IPCS FBLO 71L 562601 CH P BEAD 600 CHM0805 IPCS FB18 71L 562601 CH P BEAD 600 GHM0805 IPCS FBI9 71L 567601 CH P BEAD 600 CHEM 0805 IPCS FRA 71L 562601 CH P BEAD 600 CHM0805 IPCS FE 71L 562601 CH P BEAD 600 M0805 IPCS FB6 71L 562601 CH P BEAD 600 M0805 IPCS FB7 71L 562601 CH P BEAD 600 GHM0805 IPCS FP8 71L 567601 CH P BEAD 600 CHEM 0805 IPCS FRO 71L 562601 CH P BEAD 600 CHM0805 IPCS R87 71L 59G300 30 BEAD IPCS R88 711 59G300 30 BEAD IPCS R89 711 59G300 30 BEAD IPCS PO2 71L 59G300 30 BEAD IPCS R3 71L 59GB01 CH P BEAD 04 IPCS R50 71L 59G301 CH P BEAD 04 IPCS R69 71L 59GB01 CH P BEAD 300CM IPCS R7 71L 59G301 CH P BEAD 04 IPCS R 5 71L 59G301 CH P BEAD 41 IPCS
29. IPCS J 201 95L 90 23 TIN COATED OPS 202 95L 90 23 TIN CATED OPCS Page 46 of 61 LM 729 Service Manual Rev A J 203 95L 90 23 TIN COATED OPS J 204 95L 90 23 TIN CATED OPS R207 61L 60210252T CER 1K GM 5 1 6W IPCS R208 61L 60210252T CFR 1K CHM 5 1 6W IPCS R201 61L 60210352T CER 10K GM 5 1 6W IPCS R203 61L 60210352T CER 10K COM 5 1 6W IPCS R212 61L 60222452T 220KCHM 5 1 6W IPCS J 205 61L 60247052T CER 47CHM 5 1 6W IPCS IJ 206 61L 60247052T CER 47CHM 5 1 6W IPCS R210 61L 60256252T 5 GKCHM 5 1 6W IPCS R211 61L 60256252T 5 GKCHM 596 1 6W IPCS FROO 1L 55 9 T GORE RF BEAD RB 5 6 0 IPCS C204 64L701 4740AT 0 47uF 50V IPCS C206 64L701 4740AT 0 47uF 50V IPCS 211 65L 444101 5T 100 PF 10 50V Y5P IPCS 212 65L 444101 5T 100 PF 10 50V Y5P IPCS C214 65L 444102 5T 1000PF 10 50V CERAMIC IPCS 215 65L 444102 5T 1000PF 10 50V CERAMIC IPCS 203 65L 444104 3T 0 1LF ZU 50V IPCS 213 65L 444104 3T 0 1LF ZU 50V IPCS 201 67L 305471 3T 470UF 16V IPCS 202 67L 305471 3T 470UF 16V IPCS C205 67L 305471 3T 470UF 16V IPCS 207 67L 305471 3T 470UF 16V IPCS 208 67L 305471 3T 470UF 16V IPCS C209 67L 309109 7T 1 OLF 2096 50V IPCS 210 67L 309109 7T 1 OLF 2096 50V IPCS CBPC780KACAC GONVERSI CN BOARD AI C780KACAC MIN BOARD IPCS u 19L 553 6 IPCS ON 33L800912L H HEALER 2 6P IPCS QN601 33L8022 14 H PIN EATER IPCS
30. Information N A Show the resolution H V N A N A i frequency and input port of current iput timing Reset Yes N A Clear each old status of N A N A kal Auto configuration and set the color temperature to Cool No N A Do not execute reset return to N A N A main menu Exit N A Exit OSD N A NA Page 10 of 61 LM 729 Service Manual Rev A 4 Input Output Specification 4 1 Input Signal Connector 4 1 1 Analog D SUB Connector DESCRIPTION DESCRIPTION PIN NO Green Blue Ground Ground R Ground G Ground B Ground 4 1 2 DVI D Connector DVI D Connector to be compliant to the latest DVI DDWG specification version available Meaning Pin Meaning Meaning TMDS Data1 TMDS D TMDS Data 2 4 11 TMDS Data 1 3 Shield 19 TMDS Data 0 5 Shield Shield t ted ME ai 7 5 not connected 13 connected 21 not connected DDC Clock 14 5V Power 22 TMDS Clock Shield 7 DDC Data 15 Ground 23 TMDS Clock Analogue Vertical 16 Pot Plug Detect 24 TMDS Clock Sync Page 11 of 61 LM 729 Service Manual Rev A 4 2 Factory Preset Display Modes VESA MODES Horizontal Vertical Nominal Sync Nominal Sync Nominal Pixel Mode Resolution Total Frequency Polarity Freq Polarity Clock 0 5kHz 1 Hz MHz 640x480 60Hz 800 x 525 31 469 N 59 940 N 25 175 VGA 640x480 72Hz 832 x 520 37 861 N 7
31. JUSTING THE 01 7 4 Input Output Specification 10 4 1 Input Signal Connector 10 4 2 Factory Preset Display Modes 11 4 3 Power Supply Requirements 12 4 3 1 Input Requirements 12 4 3 2 Output Requirements 12 4 4 PANEL SPECIFICATION 14 4 4 1 Panel Feature 14 4 4 2 Display Characteristics 14 4 4 3 Optical Characteristics 14 4 4 4 Parameter guide line for CCFL Inverter e aa 14 5 Block Diagram 15 5 1 Monitor Exploded View
32. L LM 729 Service Manual Rev A Power Block Diagram PWPC7425A3 INTERNAL POWER CIRCUIT BLOCK DIAGRAU 12V Te inverter Te main Starting resistanc Switching circart aa ON OFF centrel Page 21 of 61 LM 729 Service Manual Rev A 6 Schematic 6 1 Main Board E 01 0 GND Di 8 99 AGND GND ont 26 GND Ta RX2 3 Tae E 3 send TA Te 8 am i poc DDCDAT 8027 8 Ti Te E SGND P zor os R Ra son view 328 20 99 Ei GND Hor PLUG AKI 3 To 881 3 To SGND hd TS Tae SGND x Ter rm A RED 1 oND A GREEN A BLUE DIGITAL USE os A HSYNC A GND 25 A GND xo 3 D E ca 0 Dy sv DUNS a d gt pz SP ES us mune 3 Do 2 99 841548 DADA RE 1060 116W me SOLA 3 DDC SDA Ai m 1009 view WORA e RXC 3 kids AKC 3 UART DO Ra 1000 view GPIOSUART DO 3 8 EL ET 100181 Pa att SE mi ele GND 2 a EN EE SS g JE SUMS us 86 a e a E 2 ian eis sy 2 e we EE Doc sot Di Bia Ne ato GND e SCL 3
33. LM 729 Service Manual Rev A SERVICE MANUAL 17 LCD Monitor LM 729 THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR CHANGES ERRORS OR OMISSIONS Page 1 of 61 LM 729 Service Manual Rev A Prepared Shiwei Date Jul 30 03 Page 2 of 61 LM 729 Service Manual Rev A Revision History Revision Date Page Items Modification A Date Jul 30 03 All First version release Page 3 of 61 LM 729 Service Manual Rev A Table of Contents Table of Contents 3 1 MONITOR SPECIFICATIONS 5 2 LCD MONITOR DESCRIPTION 6 3 OPERATING INSTRUCTIONS 7 3 1 GENERAL INSTRUCTIONS 7 3 2 CONTROL BUTTONS _ 7 3 3 AD
34. OARD IPCS C BO2 33L3802 2H WEER 20 RH GY ANIE IPCS 0003 3313802 2H WEER 2P RH GT ANIE IPCS 0001 33138002 4H WEER 4P AGT ANTE IPCS ONPC780A2AT CONERSI CN BOARD 71511131 1 17 PCB IPCS FB301 71 5 9 T GORE RF BEAD RB 5 6 0 IPCS FB302 71 5 9 T GORE RF BEAD RB 5 6 0 IPCS FRO 77 55 9 T GORE RF BEAD RB 5 6 0 IPCS FBA 77 55 9 T GORE RF BEAD RB 5 6 0 IPCS KEPC780KB6 KEY BOARD AI K 80KBOSNT KEY BOARD ECR T780K SM 1008 AI K 80KB6SNT KEY BOARD ECR T780K 0001 3318023 8 WAFER 8P 2 5nm SMD SM IPCS R101 6110603101 CH PR 100 CF M 5 1 16 1008 R102 6110805000 CH P OGM1 10W IPCS C101 6510805102 32 CHP 1000P 50VX7R 0805 IPCS C102 6510805102 32 CH P 1000P 50VX7R 0805 IPCS Page 53 of 61 LM 729 Service Manual Rev A SWO1 77L 604 1 TO CHP TACT SW 1008 SWO2 77L 604 1 TO CHP TACT SW 1008 SWO3 7 604 0 CHP TACT SW 1008 SW04 77 604 1 TO CHP TACT SW 1008 SWO5 7 604 0 CHP TACT SW 1008 1001 81L 14 4H MBIO 1104GYG C IPCS 71511124 1 KEY BOARD IPCS PVPC7425B3 PO ER BOARD 2583 7 POVER ASS Y FR Al IPCS 7 POER ASS Y ECR SM IPCS C BO2 3313278 3 3P PLUG B3B XHYJ ST IPCS NI02 33L800912A HEALER 2 6P IPCS CND 3318020 4D E CONN 4P OP BY EST OPCS N10 s 3318020 4D E CONN 4P OP BY EST OPCS CND 3318020 4D AC CONN 4P OP BY ACES IPCS N10 02020 4D AC CONN 4P OP BY ACES IPCS 401 45762412A QFC LABEL IPCS BIL 6 4500 RIV 2G 100
35. PCS 201 9312004 3 DGD OPS 202 9312004 3 O D OPCS 705L 780 57 01 C903 ASS Y 51L 200 1 JOD 06 003 57L 723 3B 25K2761 01MR OPS 203 57L 724 4 2SK2996 IPCS 901 407 2 FEAT SI NK IPCS ML1730 8128 SCREWMx8 IPCS 705L 780 57 02 CNDO1 ASS Y Q01 87L 501 12 Y AC SOCKET IPCS 0001 87L 501 12 RF AC SOCKET OPCS 9512058354022 HARNESS IPCS 96L 29 4 SHA NK TUBE U CA IPCS 705L 780 57 15 1010 1012 ASS Y 9016064 1 FEAT SI NK IPCS 1910 93L 60217 10 1007 SANKEN IPCS 1910 93L 60224 FCHLOALO OPCS 1912 93L 60235 FOQLOA06 10 009 IPCS Page 60 of 61 LM 729 Service Manual Rev A 1912 93L 60236 DOE SANKEN OPCS ML1730 8128 SCREWMx8 2PCS 705L780KB34 28 CAB T ASS Y 516012 1 LI FI RUBBER IPCS 121 394 3 HL PRN GI 1515925 2 PASE BKT IPCS 1516050 1 BRACKET 3PCS 19L 573 1 SPRA NG IPCS 19L 580 1 STAND QIP IPCS 331447 GM L COVER TILT IPCS 33146448 CM L COVER STAND IPCS 3314649 GM L HIIER LIFT IPCS 3314650 GM X HOLDER SPRING IPCS 3411192 CM B SPKBOC F IPCS 3411193 CM B SPKBOC B IPCS 3411194 CM B UIAND IPCS 3411195 CM B STAND LI FT IPCS 3411196 CM B BASE IPCS 370477 1 H NE ASSY IPCS 78L 311 4 L SPEAKER IPCS 78L 311 4 R SPEAKER IPCS ML 330 6 47 SCREW 3X6nm 2PCS QL 130 8120 SCREW 3nmxB GI QL 130 12120 SCREW 3MIX12 2PCS QL 130 12120 SCREW3MM12 4PCS QL 330 8120 SCREW3X8nm 3PCS QL 330 8120 SCREW3X8nm 2PCS QL1030 8128 SCREW 4PCS
36. RMADDR2 10145 RMDATA 206 ROM_DATA2 NC Ces GND AMADOR EEM A 207 ROM DATAT Cente 88yze 88 NIG il ROM Dar eeler 22258 208 16 rem EE 12 Nc pk m FORCES p a Blonde a aos 92 coour Ox 600 OHM 2 nomom 29982229 9993 doe Std DE vec E z zeaciwd lt co 6666 66666 SES BOOTSTRAP SIGNALS RONCE 1 Exp cn aa Ss ADDRESS NAME SET DESCRIPTION gt W38F010P 0 EJ c72 ROM_ADDR 4 0 USER_BITS 4 x Available for reading from a status register W 2 GND gt 0 ROM ADDRS Reserved x TF using 6 wire host protocol program this bit to 0 32 Pin PLCC Socket 3 B 7 z ROM_ADDR6 SCLPOL x Determines polarity of HCLK signal FLASH Prom Jet Socket g Sly wH ROM_ADDR7 HOST PROTOCOL 0 Tf using 6 wire host protocol program this bit to 1 1 ia 4 8 we M 3 ROM ADDR amp HOST PORT EN 1 GPIO 22 16 is on Host Port pins sl MSZ Geer ROM ADDRS Dou START 1 T OCM becomes active after OCM_CLK is stable GND GND GND ROM_ADDR 1210 USER BITS 75 x Avallable for reading from a status register ROM ADDRi3 OSC SEL 0 0 XTALand TCLK pins are connected AOC ROM ADDRi4 OCM ROM CFG j 1 T All 48K of ROM is in external ROM re gm5126 ze Document Number er C 45126 A 22 2008 Bie HE Page 23 of 61 LM 729 Service Manual P5V 3 TCON_OSP lt C C73 100uF 16 s M eve GND 00 1 16W
37. T 470 M5 1 AW IPCS 022 61L 17247052T 47CHM 5 1 AW IPCS R908 61L 17268952T 6 8M5 LU AW IPCS R218 61L 60210152T 100CHM 0 IPCS R219 61L 60210152T 1007 5 1 6W IPCS R232 61L 60210252T R 1K CHM 5 1 6W IPCS R233 61L 60210252T CER 1K GM 5 1 6W IPCS R202 61L 60210352T CER 10K GM 5 1 6W IPCS R203 61L 60210352T CER 10K GM 5 1 6W IPCS R204 61L 60210352T CER 10K COM 5 1 6W IPCS R222 61L 60212352T 126060 1 6W IPCS R223 61L 60212352T 126060 1 6W IPCS R238 61L 60212352T 12KM 596 1 6W IPCS R239 61L 60212352T 12KCHM5 1 6W IPCS R210 61L 60215352T 15KCHM 596 1 6W IPCS R211 61L 60215352T 15KCHM 596 1 6W IPCS R220 61L 60215352T 15KCHM 596 1 6W IPCS R221 61L 60215352T 15KCHM 596 1 6W IPCS R214 61L 60222252T 2 2K 01 IPCS R215 61L 60222252T 2 2K 5 1 6W IPCS R201 61L 60230352T 3OKCHM 596 1 6W IPCS R205 61L 60247352T 47KCHEM 596 1 6W IPCS R206 61L 60247352T 47KCHM5 1 6W IPCS R240 61L 60251352T 51KCHM 5 1 6W IPCS R241 61L 60251352T 51KCHEM 5 1 6W IPCS R236 61L 60262152T 620 CFM5 1 6W IPCS R237 61L 60262152T 620 CFM5 1 6W IPCS 24 61L 60291152T R 910 CM 5 1 6W IPCS R235 61L 60291152T CFR 910 CM 5 1 6W IPCS FBOO2 71L 55 19 T FERRITE BEAD 9X3 5X0 8 IPCS 27002 931 39 5452T ZENER 22 IPCS 712003 931 39 7752T ZENER IPCS 1001 93L 6026I52T RECO FI ER O CIE 7 IPCS 002 93L 6038P52T PS102R IPCS 205 93L 64 1152T 1M1148 IPCS 206 93L 64 1152T 18 IPCS Page 57 of 61
38. TD IPCS C901 65L305M222EM 2200PF 20 250VAQ 400V OPS 902 65L305M222EM 2200PF 20 250VAQ 400V OPCS C913 65L306M72 2B 4700PF 400V 20 Y1 CAP OPS C913 60513061472202 47 000 20 400VAC Y1 IPCS 922 67L 215102 3H 1000UF 20 16V IPCS 925 67L 215102 3H 1000UF 20 16V IPCS 922 67L 215102 3K 1000UF 20 16V OPCS 925 67L 215102 3K 1000UF 20 16V OPCS C905 67L305S10114H 100UF 20 400V IPCS FOOT 71L 55 29 FERRITE BEAD IPCS 1902 73L 174 26 IS COMMON HKE OPCS 1902 73L 174 26 T1 IINE LI LIFR O 45nm IPCS 1903 73L 253 91 L CHEE BY II TA IPCS 1904 73L 253 91 L CHEE BY II TA IPCS 1903 73L 253 91 IS CHKE BY II SHN OPS 1904 73L 253 91 LS CHKE BY II SHN OPS 1201 73L 253139 L CHKE IPCS 1202 73L 253139 L CHKE IPCS 1201 73L 253139 IS CHKE OPCS 1202 73L 253139 IS CHKE OPCS 1201 73L 253139 YS CHKE OPCS 1202 73L 253139 YS CHKE OPCS PI201 80LL15T 7 IN X FMR OPS PI202 801150 7 IN X FMR OPS PI201 80LL15T 7 YS X FMR IPCS PI202 8011510 7 YS X FMR IPCS 1901 8011177 2 L ADAPICR BY LI TAI OPCS 1901 80LL17T 2 T X FMR IPCS T901 80LL17T 2 IS ADAPICR BY LI SH N OPCS F901 84L 53 1 FUSE 2A 250V LE 230002 IPCS Page 55 of 61 LM 729 Service Manual Rev A F901 84L 72200 N 5 2X20 FUSE OPCS F901 84L 72200 SL 250V 2A II HEL FUSE OPS CNBO1 88L 30210K E PHONE JACK IPCS BL901 93L 50460 8 BRI DCE 2KBPOGM IPCS 705L 780 57 O1 C903 ASS Y
39. X PMBS3904 GND R84 519933 A 10K al NN P3V3 SS P5V CONNECTOR 30P A 11 12 A ojojn o EEE C78 PYRA POLY 10 T NC T T 220 OHM C80 R85 R86 082 0 1uF 16V 3K 1 16W 381 0 1uF 16V Vv V VM NA GND GND GND GND GND AOC Title Panel Interface RSDS ize Document Number ev B gms126 A Pate 000 00 22 2003 Bheet o 8 Page 24 of 61 LM 729 Service Manual Rev A 3V3 us A CN601 A A 6P PLUG R A 5V lt 4 VIN VOUT 4 aorwo ADJ AIC1084 33CE TKO new ge i m s Soournev Standby nak view 020 iLane 0 1uF 16V SEN gt gt STDBY 3 4 3 LASA VOLUME ESA A 600 OHM C231 V i 1uF 16V med GND R118 GND 1 0 1 16W GND v dun 10K 600 OHM FB17 D21 anp 600 OHM Mute R230 1040 LL4148 _le 0230 12 12 5V TR IEN A A A V 2V5 BackLight 011 GND R113 On Off 3 PBIAS X 2 1 3 2 bei 4 3 5 gt VIN VOUT t 6 5 1 8 7 ADJ 10 3 011 cno AIC1084 33CE R112 L 0119 C120 T i2 11 100uF 16V 1K 1 18 701 100 y 8117 aa GND PINHEADER2 6P GND A 100uF 16V 722 CONNECTOR for did SND POWER INVERTER a o KO 1 16W 5V 1 Board NA GND R115 GND 4 7K Brightness PWMO gt Brightness R117 vo Ka V GND AOC Title Power
40. a o SB ad S 8 8 Anen ie ADCAGND AGND GND on Dio 012 ADCZAGND WAA save E ET mis 1000 1 16 ve a A dl al FBI o ew 07 8 SEEN R oon view Dia m Lig d ca ooturisov nen o cs NC JAT54C GS08 R17 1000 ge BE cio ooturisovV DG SV e cna mom 3 PEE of ops LN Cu 0 01uF 50V uee di Paren a d 5 cIa j ne R21 SA OSTE En io donde LL Rost pas X GE 1000 al Oats i cb d 3 cis ootu A NC 98 OTE Re 1900 116W C15 001uFI50V e Doc soa At van MIGE DE eu a PA 016 wc 15 5 Rat gaj ve Ban MEET EET xis Hao vee E 470 116W P E Doc sot A ie s 0 GND 3 E AGND adno VGA conn 47KU16W vca prua AGND M24CO2WMNS ky vare 3 SEA ASS ec oe 8 Tiu die SERGI 75 6hm terminating resistor EIL 3 2 T are very close to the VGA 3 Po return lines resp d DDC aka 1 16 mos conn SEI 116W vaa y nN acho 24 GND y Rae 470 view K 1 eps AS 0p 08 us TAX mb am view DI d UST O 00 new jns z E E paz D Es ow Lan om zapen cm Lee No NO 89 Tic ABS Tc No The 2 2 7 EH AGND AGND AOC H H A me AGND GND AGND GND ND ANALOGSDIGITAL INPUT Deenen Numbur 8 be mz BF Page 22 of 61 LM 729 Service Manual Rev A
41. ached within 3 seconds of turn on Less than 1 0 Amps RMS Input voltage 220 VAC RMS 50 Hertz Parameter must be reached within 3 seconds of turn on Input Power Less than 75 Watts ower factor gt 0 5 Input voltage 120 VAC RMS 60 Hertz Inrush Current ILess than 30 A peak Input voltage 100 VAC RMS 60 Hertz at all Phase 0 90 180 270 degree Less than 50 A peak Input voltage 240 VAC RMS 50 Hertz at all Phase 0 90 180 270 degree Input Fusing Fuse should be located internal to the Fuse must be UL CSA approved Fuse value must no adapter easily accessible when the have to change for 115 VAC or 230 VAC operation Leakage Current Less than 3 5 mA Input voltage 240 Volts RMS 50 Hertz Hi Pot rimary to secondary 1 5KVAC for 1 Minute leakage current 10mA 1 8K VAC for 1 Minute leakage current 10mA 3 0K VAC for 1 Minute leakage current 10mA without Y cap amp Coupling cap Primalry to Safety Ground 1 5K VAC for 1 Minute leakage current 10mA 1 8K VAC for 1 Minute leakage current 10mA 4 3 2 Output Requirements PARAMETER RANGE CONDITION IDC Out 12VDC 5 MinOA Max 3 75A Load Regulation 12 0V 12 12V 5 11 4 to 12 6VDC Dynamic Load Any frequency up to 250Hz duty 5 for 10 to 100 100 to 10 load change for Regulation 50 12Vde Ripple amp noise 170mVpp at 12VDC Input voltage LOOVAC at 60Hz 240VAC at 50Hz Ripple and noise are measured Output current less th
42. an 70 more than 12 0 Current exceeds maximum rateing more than 20 protection at 12 0VDC Leakage Current Less than 0 25 mA Input voltage 100 Volts RMS 50 Hertz ILess than 0 5 mA Input voltage 240 Volts RMS 50 Hertz Page 13 of 61 LM 729 Service Manual Rev A 4 4 PANEL SPECIFICATION 4 4 1 Panel Feature High contrast ratio high aperture structure TN Twisted Nematic mode Wide viewing angle High speed response SXGA 1280 x 1024 pixels resolution Low power consumption 2 dual CCFTs Cold Cathode Fluorescent Tube DE Data Enable mode COMPACT SIZE DESIGN 4 4 2 Display Characteristics Items Specification Un O Display Area 337 92 H x 270 336 V Driver element a Si TFT active matrix Pee m Display color 16 2M Number of pixels 1280 x 1024 Pixel Arrangement RGB vertical stripe EEEE Pixel pitch 0 264 H x 0 264 W Display Mode Normally White p 4 4 3 Optical Characteristics The optical characteristics are measured under stable conditions at 25 C Room Temperature Wem Symbol Conditions Min T Contrast Ratio Center of screen 250 450 lt Response Rising Time Falling Tf Luminance of White Normal Center of screen dh 0 290 020 0 64 3 u N Viewing 0 34 Color 029 Chromaticity CIE 1931 Coordinates CIE d eu 0 14 0 07 0 31 0 33 Brightness Uniformity AR Page 14 of 61 LM 729 Service Manual Rev A 4 4 4 Pa
43. han 20V 1 Check IC902 IC903 2 Check Q901 Q902 OVP circuit OK Check R919 D910 D911 D912 D913 ZD904 Page 40 of 61 LM 729 Service Manual 2 W LED No Backlight Check C201 12V f Check ON OFF signal NG OK Check U201 pin9 12V NG OK Rev A Change F902 Check D201 Q209 Q210 or D202 Q211 Q212 Check Interface board Change Q201 or Q202 Check the pinl of U201 have sawtooth wave NG Change U201 Check D201 D202 have the output of square wave at short time OK Check Q205 Q207 Q203 D201 or Q206 Q208 Q204 D202 Check the resonant wave of pin2 amp pin5 for PT201 PT202 NG OK Check the output of PT201 PT202 NG OK Check connecter amp lamp Check Q209 Q210 C213 or Q211 Q212 C214 Change PT201or PT202 Page 41 of 61 LM 729 Service Manual Rev A 8 2 3 KeyPad Board OSD is unstable or not working KeyPad Board connecting normally Connect KeyPad Board Y N Replace Button Switch Is Button Switch normally Replace KeyPad Board Check Main Board Page 42 of 61 LM 729 Service Manual Rev A 9 White Balance Luminance adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment Before started adjust white balance please setting the Chroma 7120 MEM channel 1 to 6500 color MEM channel 2 to 7800 color our 6500 parameter is x 313 0 y 2 329 HO Y 2 200 HO cd m 7800 parame
44. l cable Is the screen show Cable Not Check LED status Connected No nothing is show Led Orange Check Power switch is in Power on Replace U6 status and check if Power switch had Flash Rom Connected the Signal cable again Check LED status been stuck Led orange OK Keyboard no stuck Led Green Check Correspondent Measured RGB R15 R17 R24 H V Input at Check the Wire Harness from CN2 component short open U4 pin 176 177 was there have signal Protection Diode Check digital signal from CN1 OK Wire tight enough Check Panel Power Circuit Block OK Panel Power OK Check U4 Data output Block OK input Normal Measured Crystal X1 14 318MHz OK U4 data OK OK clock Replace Power board and Check Inverter control relative circuit Replace U203 GM5126 2126 Re do White balance adjust Note 1 if Replace MAIN BOARD Please re do DDC content programmed amp WHITE Balance 2 if Replace Power Board only Please re do WHITE Balance Page 37 of 61 LM 729 Service Manual Rev A 2 PANEL POWER CIRCUIT Check the PPWR panel power relative circuit check R203 should have response from 0 to 5V 05 Q2 pin7 8 When we switch the power switch from on to off In normal operation when LED green R203 should 0 v OK R86 have response NG no Voltage Measured the Q302 pin 7 8 5 V Replace Q302 N MOS S1993 3 INVERTER Cont
45. n When the OSD show on screen Left Right Button are used to control the monitor functions Press to switch functions or adjust settings And if the OSD off Left Right buttons are used to control the audio volume Auto Adjust Key The Auto Adjust Key is used to automatically set the H Position V Position Clock and Phase Power Indicator Green Power On mode Orange Power Saving mode Blank Power Off Mode CONTROL Buttons A B C D E F OODO Auto Volume Menu LED Power A Menu button B Left button Volume down Right button Volume up Auto button Exit Indicator light Power button mco bj 3 3 ADJUSTING THE PICTURE Luminance EYES VALUE Page 8 of 61 LM 729 Service Manual Rev A OSD Table Main Main Sub Menu Sub Description Adjust Reset Value Menu Item Menu Icon Item Menu Range Icon Luminance O Contrast O Contrast from Digital register 0 100 Recall Cool 7 Contrast Value Brightness xt Backlight Adjustment 0 100 Recall Cool Brightness Value Image Focus Adjust Picture Phase to reduce 0 100 Do Auto Config Setup Horizontal Line noise Clock Adjust picture Clock to reduce 0 100 Do Auto Config Vertical Line noise Image H Position Adjust the horizontal position 0 100 Do Auto Config Position of the picture V Position Adjust the verticalposition of 0 100 Do Auto Config Em the picture Color KA Warm N A Recall Warm Color N
46. ns Storage Temp 20 C to 60 C Operating Humidity 15 to 90 Packaged 7 0Kg Unit Unpackaged 6 0Kg Unit Maximum Screen Size Page 6 of 61 LM 729 Service Manual Rev A 2 LCD MONITOR DESCRIPTION The LCD MONITOR will contain a main board an inverter power board keypad board Audio board and external power adapter which house the flat panel control logic brightness control logic and DDC The Inverter board will drive the backlight of panel and the DC DC conversion The Adapter will provide the 12V DC power to inverter power board Monitor Block Diagram Flat Panel and CCFL backlight CCFT Drive NE m e include adapter inverter Main Board For white balance adjustment in Keyboard factory mode AC IN 100V 240V HOST Computer Video signal DDC Page 7 of 61 LM 729 Service Manual Rev A 3 OPERATING INSTRUCTIONS 3 1 GENERAL INSTRUCTIONS Press the power button to turn the monitor on or off The other control buttons are located at front panel of the monitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor the power indicator will light up 3 2 CONTROL BUTTONS Power Button When pressed the monitor enters the off mode and the LED turns blank Press again to restore normal status Left Right Butto
47. r Power Board ie 3 gt S ee O ow ban m OB H m BR mo ts d j x ane a E Oei Y zr A A TA ri ch E De 2 dE prx x z Sex om pat ris B ann ant denn we GE d pus val zgi ml AA Senf It mo T SCH Lo cz z SME _ 7 SST cc s IL o dud OE oe 5 5s s i en yes Gar ri w an d acr all ef pr e di CH m Bim Z 8 MH AY m R Ka i H8 1103 D 2003 07 12 PB li rong z 715L1183 D O s 715L1103 D Page 33 of 61 LM 729 Service Manual Rev A 7 3 Keypad Board and Audio board 1 Keypad Board EJISE ZEN m ZEN wm u E um N T m 3 v6cll St Page 34 of 61 LM 729 Service Manual 8 Maintainability 8 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 1 Pattern Generator 2 DDC Tool with a IBM Compatible Computer 3 Alignment Tool 4 LCD Color Analyzer 5 Service Manual 6 User Manual Page 36 of 61 Rev A LM 729 Service Manual Rev A 8 2 Trouble Shooting 8 2 1 Main Board 1 NO SCREEN APPEAR Measured CN11 pin5 12 V Measured CN11 pin 9 10 5V Check Correspondent component Measured U8 pin 2 2 V Is there any shortage or cold solder Measured U9 pin 2 2 5V Yes there have OSD show Yes all DC level exist Disconnected the Signal cable Loose the Connected the Signal cable again Led Green Signa
48. rameter guide line for CCFL Inverter INVERTER MAX BRINGTHNESS Vadj 5 0v LOAD 120K Q XA ROOM TEMPERATURE 25 C ZAC ITEM SYMBOL MIN TYP MAX UNIT REMARK Input voltage Vin 10 8 12 13 2 V Input current Tin 2250 2500 mA POR 4LOAD Output Current Tout 6 0 6 5 7 0 mA FOR1LOAD Frequency E 50 0 55 0 60 0 KHz PORT LOAD H V open Vopen 1450 1600 1750 Vrms NO LOAD H V Load Vload 710 810 910 Vrms RL 120K Start voltage Vst 1650 1750 1850 Vrms RL CCFL Protect delay time PDT 0 4 1 4 Sec INVERTER MIN BRINGTHNESS Vadj 0 0v LOAD 120K OX4 ROOM TEMPERATURE 25C AC ITEM SYMBOL MIN TYP MAX UNIT REMARK input voltage Vin 10 8 12 13 2 V input current Tin 660 750 mA FOR4LOAD QuipubEurrent AOUE 80 BA OE 77 Frequency F 500 550 600 KHz FORILOAD H V open Vopen 1450 1600 1750 Vrms NO LOAD Start voltage Vst 1650 1750 1850 Vrms RL CCFL H V Load Vload 350 450 550 Vrms RL 120KQ Page 15 of 61 LM 729 Service Manual Rev A 5 Block Diagram 5 1 Monitor Exploded View Page 16 of 61 LM 729 Service Manual Rev A 5 2 Software Flow Chart Page 17 of 61 LM 729 Service Manual Rev A Remark 1 MCU initialize 2 Is the EEprom blank 3 Program the EEprom by default values 4 Get the PWM value of brightness from EEprom 5 Is the power key pressed 6 Clear all global flags 7 Are the AUTO and SELECT
49. rol Relative Circuit Measured the inverter connector CN11 NG Check the Bklt On relative circuit R113 R115 R117 pin 2 on off control 5V on In normal operation when LED green pin4 PWM signal control dim 0V 5V R405 Bklt On should 5 v If Bklt On no response when the power switch turn on off Replace U4 GM5126 2126 NG still no screen NG Replace Power board Replace Power board to new one and gt amp Re do white balance Check the screen is normal Page 38 of 61 LM 729 Service Manual Rev A 4 U4 DATA OUTPUT Measured DCLK pin 15 or pin 16 from U4 NG no transition DVS DHS pin 1 4 from U4 Is the waveform ok DCLK around 48 MHZ DVS 60 09Hz DHS around 80 KHz refer to input Replace GM5126 2126 U4 or signal 640x480 60 Hz 31k and LED is replace MAINBOARD Green If MainBoard being replace please do the DDC content reprogrammed Check U4 GM5126 2126 Signal output PIN17 22 27 32 39 44 51 56 61 66 Is the waveform ok Page 39 of 61 LM 729 Service Manual Rev A 8 2 2 Power Inverter Board 1 No power Check to CN102 1061 and pin2 5V Check Interface board Check AC line volt 120V or 220V NG Change F901 check BD901 0903 IC901 OK Check the voltage of C905 Check bridge rectified circuit Check start voltage for the pin3 of IC901 Change IC901 Repeating the start voltage Check the auxiliary voltage is smaller t
50. t lt KEY_ONOFF R95 4 7K 1 16W Rev A AOC Te Keypad Size Document Number lev B gm5126 A aie 00 0025 Page 27 of 61 LM 729 Service Manual 6 4 Inverter Power Board Rev A CON102 R920 0920 470 Jee 1901 i F902 FB903 1903 og 146W on 146W je gt 4 34 DODO DB901 R906 0910 2KBPOGM 1M 14w R904 R903 gt 0922 924 2928 1 100K 2W 0 470 0 tuF 1 3 0905 R922 0921 FR 0 7 470 114W 0 0010F 500V 7 20904 T7 0901 SML4736 d R907 R905 AU 1M0 1 4W gt IMD AW L904 3 Sana 2 3 YA 5 2 1 4 0925 70926 1902 AlE 0902 R908 0 470 0908 0907 7T PSI02R 100 1 4W 1 4 0 tuF 100 D AT D904 1N4148 S RZ M C904 0 47uF 250V 4 0927 IC901 R917 Our 2 3 SG6841 JUMPER 0903 a 2 wl 28K2996 5 L901 R916 1 4 0905 24K0 0 1 1N4148 E BS pi 0913 Rego 000227 1000 14W T 1 FB901 1 0903 017 cup BEAD 1 P901A NC r 4 18 20K0 R901 R902 i R915 20902 A Azow 1M 1 16 1M 1 16 1040 view R919 HZ12B2 0 2 1 0 390 0 Y Wire Harness 0 001uF gt R914 N C 0603 NZ 1 NR901 T NTCR T 7 o zg 0902 R931 t PPCI28FY24P mei R
51. ter is x 296 HO y 311 HO Y 200 0 cd m How to setting MEM channel you can reference to chroma 7120 user guide or simple use SC key and NEXT key to modify xyY value and use ID key to modify the TEXT description Following is the procedure to do white balance adjust Press MENU button during 2 seconds along with plug Power core will activate the factory mode then MCU will do AUTO LEVEL automatically Meanwhile press MENU the OSD screen will located at left top of panel I 1 2 Bias adjustment set the contrast to 70 adjust the Brightness xt to 90 II Gain adjustment Move cursor to Factory and press MENU key a adjust 6500 color temperature 1 09 A DA u R w N Switch the chroma 7120 to RGB mode with press MODE button switch the MEM channel to Channel 01 with up or down arrow on chroma 7120 The lcd indicator on chroma 7120 will show x 2313 10 y 329 10 Y 200 5 cd m Adjust the RED on OSD window until chroma 7120 indicator reached the value R 100 adjust the GREEN on OSD until chroma 7120 indicator reached G 100 adjust the BLUE on OSD until chroma 7120 indicator reached B 100 repeat above procedure item 4 5 6 until chroma 7120 RGB value meet the tolence 100 2 Press Exit on OSD window to save the adjustment result b adjust 7800 color temperature 9 10 11 12 13 14 15 16 Switch the chroma 7120 to RGB mode with press MOD
52. udio board 34 8 Maintainability 34 8 1 Equipments and Tools Requirements 35 8 2 Trouble Shooting 33 8 2 1 Main Board 35 8 2 2 Power Inverter Board 38 8 2 3 Key Pad Board 40 9 White Balance Luminance adjustment 41 10 EDIT Content 42 11 BOM List 43 Page 5 of 61 LM 729 Service Manual Rev A 1 MONITOR SPECIFICATIONS W Gi ama kotem pea waw erem Im emm W ss mee ie em _ 0 ua OFF Mode 13 3 337 92mm Vertical 10 6 270 336mm 100 240VA C 47 63Hz Environmental Operating Temp 0 C to 40 C Consideratio

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