AOC LE26W154 Service Manual Download Page 12

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2. Can’t start

Can’t start

Replace the main board

Replace the Power board

Yes

Power board output

＝

24V?

Check the power key is under control?

Check the IR receiver is normal?

Replace the power board

Replace the key board

Yes

Replace the IR board

Summary of Contents for LE26W154

Page 1: ...ING HIGH VOLTAGES CAUTION USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 6 3 Key Board 22 6 4 IR Board 23 7 Adjustment 24 8 Block Diagram 25 9 Schematic Diagram 26 9 1 Main Board 26...

Page 2: ...ht create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising o...

Page 3: ...3 Revision List Version Release Date Revision Instructions TPV Model A00 Aug 19 2011 Initial release E26BATNSWBB13N...

Page 4: ...4 1 General Specification Please refer to user manual...

Page 5: ...5 2 Operating Instructions Please refer to user manual...

Page 6: ...13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground 3 2 HDMI Digital Connector Pin Assignments Pin No Description Pin No Description 1 TMDS Data2 2 TMDS Data2 Shield...

Page 7: ...7 3 3 Compatible Mode Table RGB Input Signal Timing HDMI Input Signal Timing...

Page 8: ...8 4 Mechanical Instructions 1 Remove the screws to remove STAND BASE 2 Remove the screws to remove REAR COVER...

Page 9: ...9 3 Disconnect the harness in red 4 Remove the screws to remove MAIN BOARD and POWER BOARD...

Page 10: ...10 5 Remove the screws to remove BKT PANEL and BEZEL 6 Remove the screws to remove IR BOARD...

Page 11: ...Chart 1 No power No power LED Off Check the AC input and the power is ON Power On Check the IR board and LED Replace the IR board Replace the main board Power board output 5 2V Replace the power board...

Page 12: ...Replace the main board Replace the Power board No Yes No Yes No No Power board output 24V Check the power key is under control Check the IR receiver is normal Replace the power board Replace the key b...

Page 13: ...play Reset the source Check the source Check the panel Replace the main board Replace the LVDS cable Replace the panel No No No Yes Yes Yes No No Check the main board Enter factory mode to do EEPROM i...

Page 14: ...the Panel No display LED blue Replace the main board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board Replace the Panel No Yes Yes No Yes No No...

Page 15: ...e or enter the menu to reset Reinsert the audio cable or change the TV system Replace the cable Replace the speaker Replace the main board No Yes Check the speaker resistance value is in spec Remark T...

Page 16: ...unction Replace the battery Replace the remote control Whether the IR board is abnormal Yes No Replace the IR board Replace the main board No Yes No Yes Use the other remote controls Check the remote...

Page 17: ...board connected properly Reconnect the key board Buttons are OK Replace the button function Yes No Key board is OK Replace the key board Replace the main board No Yes No No OSD is unstable or can t w...

Page 18: ...18 6 PCB Layout 6 1 Main Board 715G4786M0E000005F...

Page 19: ...19...

Page 20: ...20...

Page 21: ...21 6 2 Power Board 715G4989P01000002M...

Page 22: ...22 6 3 Key Board 715G4985K01000004S...

Page 23: ...23 6 4 IR Board 715G4045R01001005F...

Page 24: ...24 7 Adjustment No need to adjust ADC and White Balance...

Page 25: ...R SXL SOC HDMI 1 YPbPr Audio IN USB TS Stream Nutune FK1604 LVDS Interface SPDIF Out TC90517FG VGA RGB Audio IN NAND Flash 128Mx8 bit 64Mx16_DDR3 L R CVBS Audio IN Share with Y L R 4M bit Serial Flash...

Page 26: ...FB729 120R 3000mA L0603 VIN 3 VOUT 2 GND 1 U704 S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 Q704 AO4449 7A 30V R703 4 7K 1 10W C710 NC 10uF 6 3V C714 100N 50V C0603 R791 4 7K 1 10W SXL_PWRON R710 10K 1 10W R707...

Page 27: ...1 10W 5V_TUNER For LG Tuner 1 2 FB720 NC 220R 2000mA 0 26 A 1 2 FB721 NC 220R 2000mA 5V 0 5 22K 20K 4K7 4K7 4 96V 5V_TUNER SMD 0402 C748 1UF 10V 5VSB MEMC_SDA MEMC_SCL MEMC5V_SW V105_SW MEMC5V RESET_...

Page 28: ...nsor_SDA 1 2 ZD401 RLZ5 6B LightSensor_SCL LED_R 3VSB D401 NC BAS32L Lightsensor 3VSB 3VSB LightSensor_SDA LED_B C404 0 1UF 16V R405 4 7K 1 10W R406 1K 1 10W 1 2 ZD402 RLZ5 6B 1 2 3 Q402 PMBS3906 R409...

Page 29: ...43 10uF 6 3V 1 2 FB433 120R 600mA 1 2 FB436 120R 600mA C431 10N 50V C458 100N 16V 1 2 FB432 120R 600mA C460 10uF 6 3V C457 100N 16V 1 2 FB434 120R 600mA C428 10uF 6 3V C434 10uF 6 3V 1 2 FB435 120R 60...

Page 30: ...l Core MIPS Clock Switch FRA_ 7 6 0 Normal 1 Internal Switch Inverted 00 address mapping mode 1 01 address mapping mode 2 10 address mapping mode 3 11 address mapping mode 4 Control CPU_CLK Clock Swit...

Page 31: ...VGA_SDA R122 4K7 1 16W 5 R0402 VGA_SCL R123 4K7 1 16W 5 R0402 C105 NC C101 NC C103 NC C108 NC C106 NC C109 NC RX VGA_HSYN_IN 1 2 D101 VPORT0603100KV05 D0603 I O1 1 GND 2 I O2 3 I O3 4 VDD 5 I O4 6 U1...

Page 32: ...Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component B Custom 10 23 Wednesday August 10 2011 10 Analog input G4786 B X X 2 110128 1 2 D151 VPORT0603100KV05 D0603 R171 75R PR1...

Page 33: ...te 13 NC 14 DDC CLK 15 DDC DATA 16 GND 17 5V 18 HP DET 19 SHELL4 23 SHELL3 22 SHELL5 24 SHELL6 25 SHELL7 26 CN501 NC HDMI 88A340 21A HDMI0_HPD HDMI0_RX0 IN1 1 IN2 2 GND 3 IN3 4 IN4 5 OUT4 6 OUT3 7 GND...

Page 34: ...nent B A3 12 23 Wednesday August 10 2011 12 HDMI port 2 3 G4786 B X X 2 110128 A0 1 A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 VCC 8 U507 NC M24C02 WMN6TP IN1 1 IN2 2 GND 3 IN3 4 IN4 5 OUT4 6 OUT3 7 GND 8 OUT2...

Page 35: ...AV_VREFN 25 AD_VREF 26 ADQ_AIN 27 ADQ_AIP 28 ADI_AIP 30 ADI_AIN 29 STSFLG1 38 DTCLK 39 DTMB 40 TSMD1 41 SYRSTN 42 SCL 45 SDA 46 STSFLG0 51 FLOCK 52 RERR 53 RLOCK 54 RSEORF 55 PBVAL 58 SBYTE 59 SRDT 6...

Page 36: ...AIF TU2_DIF A_IFP A_IFN Close to Tuner ANT DC 1 VCC 2 SCL 3 SDA 4 GND 5 CLK_OUT 6 IF_N 7 IF_P 8 IF_AGC 9 TH1 10 TH2 11 TH3 12 TH4 13 TU102 FK1604 Tuner_SCL R1025 0R05 OHM 3 3V R1015 0R05 OHM C1012 22N...

Page 37: ...1C TSXL28 B1A10 H PWM1 ARCD_O RREF OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component B Custom 15 23 Wednesday August 10 2011 15 SXL input and outpu...

Page 38: ...FRD13 PODA11 AC6 FRD14 PODA12 AE6 FRD15 PODA13 AC7 FRA0 FAD0 AD8 FRA1 PODWE AB11 FRA2 PODIORD AA11 FRA3 PODIOWR AF10 FRA4 PODREG AE10 FRA5 FAD1 AE8 FRA6 FAD2 AF8 FRA7 FAD3 AA9 FRA8 FAD4 AB9 FRA9 PODO...

Page 39: ...C4311 100N 16V R4335 NC R4328 4 7K 1 16W C4308 100N 16V R4332 0R05 OHM V_3 3_Flash V_3 3_Flash F_OE F_WE F_RDY F_CE R4314 100OHM1 16W F_RDY F_WE FRA0 FRA6 FRA7 FRA10 FRA8 FRA12 FRA5 FRA11 CS 1 SO SIO1...

Page 40: ...TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component B Custom 18 23 Wednesday August 10 2011 18 SXL DDR3 G4786 B X X 2 110128 DDR_MVREF22 MA5 MA4 MA3 MA2 MA1 BA1 BA0 BA2 MA8 MA7 MA6 M...

Page 41: ...mponent B Custom 19 23 Wednesday August 10 2011 19 LVDS G4786 B X X 2 110128 SELLVDS C4152 10UF 25V R4153 NC R4156 NC 0R05 1 10W TX1AN TX0AN TXCKAN TX2AN TX3AN TX4AN TXCKBN TX0BN TX2BN TX1BN TX4BN TX3...

Page 42: ...0mA L0603 R664 10K 1 10W 0402 R C697 NC 100UF 35V C683 1nF L C670 100N 16V C6005 10uF 10V C0805 1 2 3 4 CN601 CONN R668 NC 22 OHM 1 4W R694 0R051 8W LOUT AMP_SD R674 100R 1 10W 1 LSPK 1 2 CN658 NC CON...

Page 43: ...EED Common mode caps should close to transformer 400 mil LED1 REGOFF LED1_CATHODE R7019 NC 0 05R TCT P1 1 TD P2 2 TD P3 3 RD P4 4 RD P5 5 RCT P6 6 NC P7 7 NC P8 8 NC P9 9 NC P10 10 NC P11 11 Y P12 12...

Page 44: ...R1101 NC 4 7K1 16W 1 2 t TH1101 PTCR R1104 NC 10K 1 10W C1102 NC 100N 16V C1104 10U 16V C1101 100UF 16V R1103 NC 4 7K1 16W R1105 NC 0R051 8W C1103 NC 10U 10V USB_5V 3 3V R1108 120K 1 10W 1 R1110 2KOH...

Page 45: ...06 4 7K 1 16W STB_MCU_RXD STB_MCU_TXD 2 4 6 8 10 1 3 5 7 9 CN405 NC CONN R4130 0 05R R4131 0 05R R4132 0 05R R4133 0 05R STB_JTAG_TMS STB_JTAG_TDI STB_JTAG_TCK STB_JTAG_TDO STB_JTAG_TDI STB_JTAG_TCK S...

Page 46: ...M 1 4W R920 470OHM 5 1 8W C909 100N 50V C923 0 22uF 50V F901 FUSE 84G 56 3 B 1 2 ZD903 DIODE ZENER R916 620K 1 4W R914 47 OHM 1 4W L901 Coil C911 470uF 16V C943 680uF 10V C912 100N 50V C922 47N 50V R9...

Page 47: ...Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component B Custom 2 2 Monday April 11 2011 715G4985 A 02 Keypad G4985 A X X 1 110127 SW01 TACT SW FWRD H1 5MM R6 2KOHM 1 1 1...

Page 48: ...RED BLUE LED01 LED OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component 0 2 Custom 2 2 Wednesday Nov ember 25 2009 715G4045R0A000004S 02 IR LED G4045...

Page 49: ...49 10 Exploded View...

Page 50: ...47 CR3 SCREW AC COVER 1 16 NON WOVEN FABRIC S5 0M1G 940 6 47 CR3 SCREW REAR COVER BKT RIGHT AND BKT LEFT 2 17 REAR COVER 26 S6 0M1G1730 8120 SCREW MAIN BOARD AND POWER BOARD 8 18 COVER S7 0M1G1740 10...

Page 51: ...ARNESS 13P 13P 300MM FQE91555I ECN704 095G801313X909 HARNESS 13P 13P 300MM LCDXXTF0325 2nd Source ECN401 095G801414DY05 HARNESS 14P 4P 5P 550 500MM ECN905 095G801414DY06 HARNESS 13P 14P 180MM ECN408 0...

Page 52: ...LE TAPE Y1200141 0Q1G 940 30 47 CR3 SCREW Q45G 76 28NV2 R PE BAG FOR BASE SCREW SZ02742 705TQBBCA66 705 ASS Y FOR BRAZIL PCBA 756TXBCB TS021 02 MAIN BOARD CBPFATASX8C SMTF U406 100TATAF001S2X MCU ASS...

Page 53: ...3X01 FLASH MX25L4006EM2I 12G 4M SOP8L 200 MIL Q702 057G 417 4 PMBS3904 PHILIPS SMT 04 Q703 057G 417 4 PMBS3904 PHILIPS SMT 04 Q705 057G 417 4 PMBS3904 PHILIPS SMT 04 Q706 057G 417 4 PMBS3904 PHILIPS S...

Page 54: ...61G0402000 JF RST CHIPR MAX0R05 1 16W FENGHUA R4310 061G0402000 JF RST CHIPR MAX0R05 1 16W FENGHUA R4309 061G0402000 JF RST CHIPR MAX0R05 1 16W FENGHUA R4308 061G0402000 JF RST CHIPR MAX0R05 1 16W FEN...

Page 55: ...1 16W TZAI YUAN R104 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R1008 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R101 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN R1010 061G0402000 JT...

Page 56: ...ST 0402 14 3K 1 1 16W FENGHUA R4226 061G04021432FF RST 0402 14 3K 1 1 16W FENGHUA R4227 061G04021432FF RST 0402 14 3K 1 1 16W FENGHUA R4228 061G04021432FF RST 0402 14 3K 1 1 16W FENGHUA R4221 061G0402...

Page 57: ...5 1 16W FENGHUA R4001 061G0402472 JF RST CHIPR 4 7KOHM 5 1 16W FENGHUA R4004 061G0402472 JF RST CHIPR 4 7KOHM 5 1 16W FENGHUA R4007 061G0402472 JF RST CHIPR 4 7KOHM 5 1 16W FENGHUA R4010 061G0402472 J...

Page 58: ...05 1 10W TZAI YUAN R709 061G06031000FI RST 0603 100R 1 1 10W R680 061G06031000FT RST CHIP 100R 1 10W 1 R676 061G06031000FT RST CHIP 100R 1 10W 1 R674 061G06031000FT RST CHIP 100R 1 10W 1 R652 061G0603...

Page 59: ...RST CHIPR 22KOHM 5 1 10W FENGHUA R661 061G0603223 JY RST CHIPR 22KOHM 1 10W YAGEO R726 061G06032702FT RST CHIP 27K 1 10W 1 R1109 061G06032702FY RST CHIP 27K 1 10W 1 R732 061G06033600FY RST CHIPR 360OH...

Page 60: ...X7R 10 C4214 065G040210332K Y CAP CHIP 0402 10N 50V X7R 10 C4213 065G040210332K Y CAP CHIP 0402 10N 50V X7R 10 C4212 065G040210332K Y CAP CHIP 0402 10N 50V X7R 10 C4100 065G040210332K Y CAP CHIP 0402...

Page 61: ...AP 0402 100NF 10 16V X7R C4362 065G040210412K Y CAP 0402 100NF 10 16V X7R C4363 065G040210412K Y CAP 0402 100NF 10 16V X7R C437 065G040210412K Y CAP 0402 100NF 10 16V X7R C4370 065G040210412K Y CAP 04...

Page 62: ...X7R C758 065G040210412K Y CAP 0402 100NF 10 16V X7R C1013 065G040210412K Y CAP 0402 100NF 10 16V X7R C1058 065G040210412K Y CAP 0402 100NF 10 16V X7R C1059 065G040210412K Y CAP 0402 100NF 10 16V X7R C...

Page 63: ...105A5K 3 CAP CHIP 0402 1UF K 10V X5R C448 065G0402105A5K 3 CAP CHIP 0402 1UF K 10V X5R C1025 065G0402105A5K 3 CAP CHIP 0402 1UF K 10V X5R C1055 065G040215232K Y CAP CHIP 0402 1 5NF 50V X7R C1051 065G0...

Page 64: ...10512K T CAP 0603 1UF 10 16V X7R C442 065G060310605M 3 MLCC 0603 10UF 6 3V X5R 20 TDK C443 065G060310605M 3 MLCC 0603 10UF 6 3V X5R 20 TDK C446 065G060310605M 3 MLCC 0603 10UF 6 3V X5R 20 TDK C447 065...

Page 65: ...09 065G0603475A5K 3 CAP 0603 4 7UF K 10V X5R C4208 065G0603475A5K 3 CAP 0603 4 7UF K 10V X5R C4206 065G0603475A5K 3 CAP 0603 4 7UF K 10V X5R C4205 065G0603475A5K 3 CAP 0603 4 7UF K 10V X5R C4201 065G0...

Page 66: ...0 C707 067G311F4713ST EC SMD 470UF 20 16V 8 10 C702 067G311F4713ST EC SMD 470UF 20 16V 8 10 C4152 067G311R1004CT EC SMD 10UF 20 25V ZV 4 5 5 FB725 071G 56A221 TA IND FXD 0805 EMI 100MHZ 220R R FB732 0...

Page 67: ...21T06 FB433 071G 59D121 TA CHIP BEAD 120R 600MA FCM1608KF 121T06 FB434 071G 59D121 TA CHIP BEAD 120R 600MA FCM1608KF 121T06 FB435 071G 59D121 TA CHIP BEAD 120R 600MA FCM1608KF 121T06 FB436 071G 59D121...

Page 68: ...60S937 T BRIDGE SK54B R4 5A 40V DO 214AA D402 093G 64S3PH BAS32L ZD404 093G 64S500 SU ESD MLVG04025R0QV05BP INPAQ ZD406 093G 64S500 SU ESD MLVG04025R0QV05BP INPAQ ZD407 093G 64S500 SU ESD MLVG04025R0...

Page 69: ...R 5A SCK13055MMY506 R935 061G153M681 59 SY RST MOFR 680 OHM 5 3WS R935 061G153M68159B SY RST MOF 680R 5 3W C914 063G107K474 EM CAP X2 470NF 10 305V BULK C914 063G107K474 UM CAP X2 470NF 10 275V C914 0...

Page 70: ...TO 220F15 D903 093G1506 2 SCHOTTKY FMW 2156 15A 60V TO 220 0M1G1730 8120 SCREW 3X8 Q90T0194 2 HEAT SINK 709T4989 XM001 COMSUMPTIVE ASS Y 051G 6 4505 GLUE_RTV 055G 23524 WELDING FLUX WITHOUT PB Q49G 51...

Page 71: ...1206102 JT RST CHIPR 1KOHM 5 1 4W TZAI YUAN R902 061G1206102 JT RST CHIPR 1KOHM 5 1 4W TZAI YUAN R901 061G1206102 JT RST CHIPR 1KOHM 5 1 4W TZAI YUAN R910 061G1206159 JF RST CHIPR 1 5 OHM 5 1 4W FENGH...

Page 72: ...065G080547332K F CAP CHIP 0805 47NF K 50V X7R C915 065G080547332K Y CAP CHIP 0805 47N 50V X7R 10 C922 065G080547332K Y CAP CHIP 0805 47N 50V X7R 10 C926 065G080547432K A CAP CHIP 0805 0 47UF K 50V X7R...

Page 73: ...E FB904 095G 90 23 JUMPER WIRE J907 095G 90 23 JUMPER WIRE FB902 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE J902 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE...

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