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Toshiba 26EL834G, Service Manual

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SERVICE MANUAL

LCD Color Television

26EL834G

Ver. 1.00

Updating history 

5

5

6

6

Currently there are no updates available. 

Please check back at a later time for any future 

updates. 

TOSHIBA WEB-ZEUS

>> terms and conditions 

>> privacy policy 

Copyright © 1995-2011 TOSHIBA Corporation, All Rights Reserved.  

Summary of Contents for 26EL834G

Page 1: ...26EL834G Ver 1 00 Updating history 5 5 6 6 Currently there are no updates available Please check back at a later time for any future updates TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 2: ...ification or alteration THE INFORMATION OR DATA HEREIN SHALL BE PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Toshiba shall not be liable for any damages losses expenses or costs if any incurred in connection with or as a result of use of any information or data provided herein IMPORTANT NOTICE TOSHIBA WEB...

Page 3: ...oshiba Corporation recognizes environmental protection as a key management tasks and is doing its utmost to enhance and improve the quality and scope of its environmental activities In line with this Toshiba proactively promotes Green Procurement and seeks to purchase and use products parts and materials that have low environmental impacts Green procurement of parts is not only confined to manufac...

Page 4: ...ee solder is higher than that of leaded solder by 86ºF to 104ºF 30ºC to 40ºC Use of a soldering iron designed for lead based solders to repair product made with lead free solder may result in damage to the component and or PCB being soldered Great care should be made to ensure high quality soldering when servicing this product especially when soldering large components through hole pins and on PCB...

Page 5: ...g repairs The parts used in products require special safety characteristics such as inflammability voltage resistance etc therefore use only replacement parts that have these same characteristics Use only the specified parts when the mark is indicated in the circuit diagram or parts list 7 Parts mounting and routing dressing of wirings should be the same as that used originally For safety purposes...

Page 6: ... a function of frequency TOUCH CURRENT 500 peak value V Voltmeter or oscilloscope r m s or peak reading The part or contact of a TERMINAL is not HAZARDOUS LIVE if Note The limit values of 0 35 V peak for a c and 1 0 V for d c correspond to the values 0 7 mA peak a c and 2 0 mA d c a The open circuit voltage should not exceed 35 V peak a c or 60 V d c or if a is not met b The measurement of the TOU...

Page 7: ... characteristics are identified in this manual and its supplements electrical components having such features are identified by the international hazard symbols on the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have the same safety characteristics as specified in the...

Page 8: ...re always observe the following precautions when handling the module 1 When attaching the LCD module to the LCD cover position it appropriately and fasten at the position where the display can be viewed most conveniently 2 Carefully align the holes at all four corners of the LCD module with the corresponding holes in the LCD cover and fasten with screws Do not strongly push on the module because a...

Page 9: ...panel 6 CMOS LSI circuitry is used in the LCD module so avoid damage due to static electricity When handling the module use a wrist ground or anchor ground 7 Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an extended period of time 8 Do not store the LCD module below the temperature conditions described in the specifications Failure to do so could result in freezing...

Page 10: ...hen transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas generated by these materials can cause loss of polarity TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 11: ... 12 BRIGHT_ADJ 12 OCP_OUTPUT_PWM 12 RXE3 13 INV_ON_OFF 13 INVERTER_ON_OFF 13 GND 14 PS_ON 14 STANDBY 14 RXEC 15 RXE2 16 GND 17 RXE1 18 REX2 19 REX0 20 REX1 21 GND 22 REX0 23 RXO4 24 GND 25 RXO3 26 RXO4 27 RXOC 28 RXO3 29 GND 30 RXOC 31 RXO2 32 GND 33 RXO1 34 RXO2 35 RXO0 36 RXO1 37 GND 38 RXO0 39 BRIGHT_ADJ 40 OCP_OUTPUT_PWM CN2 1 5V_Standby 2 KEY0 3 KEY1 4 GND CN11 5 IRIN 1 SPK_R 6 LED_ON_OFF 2 S...

Page 12: ...int this page UNDER CONSTRUCTION Note Please check back in the future TROUBLESHOOTING GUIDE TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 13: ...mware automatically During firmware upgrade OSD will be displayed on LCD screen and power status LED will be blinking 4 When firmware upgrade is finished a message will be displayed on screen 5 Unplug USB disk and turn AC Off On to reboot TV Note This upgrade method is available only when boot code exists in flash memory Main Board FIRMWARE UPDATING PROCEDURE ...

Page 14: ...TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 15: ...012 B K T C L U WK䋺Week 01 WK01 D M V 02 WK02 E N W 03 WK03 F P X 04 WK04 G Q Y H R Z 53 WK53 Model Information L1 L1 L1 L1 L1 L1 L1 L1 K84 K79 LC320EUN SDV1 LC320EUN SDV1 LC420EUN SDV1 LC420EUN SDV1 LC260EXN SDA3 LC260EXN SDA3 LC260EXN SDA3 LC260EXN SDA3 Panel ID Panel L1 LC260EXN SDA3 K73 Model ID K80 K82 K81 K78 K83 K77 42HL834G 42HL834R 32EL834G 32EL834R 32HL834G 32HL834R Model 26EL834G 26EL83...

Page 16: ... twice on the Remote 2 Press Menu button on the TV set Then the OSD is displayed 3 Move to Tag 3 by Right Left Arrow key on the Remote 4 Select Model Type cell 5 Select the appropriate model type by Right Left Arrow key on the Remote Model type is written on the rating label DESTINATION SETTING CHANGE ...

Page 17: ...6 Select Reset to Def 7 Select Yes and press OK button on the Remote TOSHIBA WEB ZEUS terms and conditions privacy policy Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 18: ...ts read carefully the SAFETY PRECAUTION AND PRODUCT SAFETY NOTICE Do not degrade the safety of the receiver through improper servicing Note The part number must be used when ordering parts in order to assist in processing be sure to include the Model number and Description The PC board assembly with mark is no longer available after the end of the production Abbreviations All CD and PF capacitors ...

Page 19: ...TOSHIBA WEB ZEUS Copyright 1995 2011 TOSHIBA Corporation All Rights Reserved ...

Page 20: ...5BD000 E346 75025252 CABLE POWER 2P INLET HSG 4P 1414 05BG000 E348 75025255 CABLE Y 8P TO HSG 3 5P 1414 05BF000 E400 75014827 REMOCON HAND UNIT CT 90326 E410 75025271 MANUAL 1506 0GKK000 G E100 75026728 FRONT BEZEL ASSY 26EL834 13EB 2WB1401 E110 75026730 BACK COVER ASSY 26EL834 13EB 2WB0Z01 E125 75025238 SCREW FOR STAND ASSY 26EL833 13EB 2WB0B01 E140 75026732 PLATE SIDE IO 26EL834 13EB 2WQ1601 E15...

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Page 24: ...60 R1732 R1485 R1693 C860 R1677 C929 R1610 R1530 D197 F282 C1079 R1659 C1052 CN128 R1913 R1735 C1196 C964 R1685 F271 D5 C14 C1091 R1480 FS5 C630 C1202 R1605 F286 C628 R1737 R1881 C806 C944 C966 R844 R1548 R1171 C547 F290 R1750 R1672 R1867 C1078 C1175 R1862 S15 S23 C666 D6 R1952 R1384 D173 R1941 C798 R1314 R1165 C911 C713 R1321 R1946 R1619 R1722 S28 S17 R1310 R1886 C956 R1552 D184 C857 R1497 C1057 ...

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Page 30: ...Q309 47k R371 BC848B Q305 47k R374 VCC C12V_SOD123 D323 ST_BY 47k R358 2k4 R354 22R R361 BC848B Q308 BC848B Q310 12V 680R R365 10k R367 12V 10k R359 TCET110G IC302 1 2 3 4 10k R369 10k R357 22R R360 R436 sw_sig 20k R437 BC858B Q402 BC848B Q403 5k1 R435 12VCC SW_SWITCH S210 ST_BY 3 3VCC 6V3 330u C216 PL200 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 BL_ON OFF 12VCC S2...

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Page 33: ...C931 100n C920 10V 100n 330R F265 DIGITAL_IF_P DIGITAL_IF_N R1856 47R R1583 47R 8 7 6 5 4 3 2 1 R2 R3 R1 R4 R1939 10k R1584 47R 8 7 6 5 4 3 2 1 R2 R3 R1 R4 C956 22u 16V C957 22u 16V 2V5_VCC C953 12p 50V S96 S97 R1580 47R X1 41MHz 2 4 1 3 R1933 100k 2 1 BC848B Q205 3 2 1 100k R1932 2 1 100k R1934 2 1 5V_TUN S100 5V_TUN C15V D6 2 1 C15V D5 2 1 10k R4 17mb60 10 10 8 7 6 5 4 3 2 1 A B C D E F AX M 1 2...

Page 34: ...IN 600R F206 2 1 C831 50V 220p 2 1 100R R1245 2 1 F201 600R 2 1 SCART_AUD_R_IN SCART_AUD_L_IN C861 1n 50V RX SCL_SC TX SDA_SC 50V 220p C836 2 1 R1482 75R 2 1 SC_CVBS_OUT 220p 50V C832 2 1 R1182 4k7 2 1 SC_PIN8 220R R1233 47R R1249 2 1 SC_CVBS_IN SC_G SC_R SC_B SC_FB 75R R1483 2 1 100n 10V C664 2 1 C15V D178 2 1 22k R1187 2 1 50V C857 4n7 SC_AUD_L_OUT F205 600R 2 1 SC_AUD_L_IN F200 600R 2 1 R1244 1...

Page 35: ...2 1 TX_B_4_N OPTION1 OPTION2 OPTION3 R1945 4k7 2 1 S62 1 CN136 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 PANEL_VCC S57 2 1 TP21 1 TP23 1 TP25 1 TP27 1 TP29 1 TX_A_2_P TX_A_CLK_N TP31 1 S362 1 S342 1 PANEL_VCC S10 2 1 3V3_VCC 10k R1301 2 1 10k R1266 2 1 3V3_VCC MEGA_DCR_OUT TX_B_0_N TX_B_0_P TX_B_1_N ...

Page 36: ...10 AD10 AC9 AD9 AC8 J4 L6 J6 D1 D3 F1 F2 F3 E2 E3 D2 K6 M5 M4 G1 G3 J1 J2 J3 H2 H3 G2 RXA0N RXA0P RXA1N RXA1P RXA2N RXA2P RXACKN RXACKP DDCDA_CK DDCDA_DA HOTPLUGA RXB0N RXB0P RXB1N RXB1P RXB2N RXB2P RXBCKN RXBCKP DDCDB_CK DDCDB_DA HOTPLUGB RXC0N RXC0P RXC1N RXC1P RXC2N RXC2P RXCCKN RXCCKP DDCDC_CK DDCDC_DA HOTPLUGC CEC AUL0 AUR0 AUL1 AUR1 AUL2 AUR2 AUL3 AUR3 AUOUTL0 AUOUTR0 AUOUTL1 AUOUTR1 EAR_OUT...

Page 37: ...7 07 DRAWING NAME HERE YOUR NAME HERE F294 60R D192 SK24 R1941 10k 2 1 C1032 10u 25V Q212 BC848B 3 2 1 HP_R D203 C15V 2 1 R1704 680R 25V 1u C1074 C1078 1u 6V3 Q210 BC848B AMP_EN C1172 10n 16V 15k R623 VDD_AUDIO R1855 10k 2 1 R817 100R Q133 BC848B 3 2 1 100R R818 VDD_AUDIO C602 100n 10V L_AUDIO_P_OUT L_AUDIO_N_OUT MAIN_L 15k R624 10V C665 100n 2 1 100n C608 10V AMP_EN VDD_AUDIO 3V3_VCC R1309 10k 10...

Page 38: ...1134 47R R1131 47R C1053 100n 16V 16V 100n C1056 C1065 100n 16V 16V 100n C1063 C1057 100n 16V C1072 100n 16V 16V 100n C890 C967 12p 50V D7 C15V 2 1 16V 100n C889 R6 33R 33R R5 RF_AGC_MST TUN_SCL_MST TUN_SDA_MST C1 12p 50V 330R F268 2 1 5V_TUN 100n 10V C913 2 1 IF_AGC_MST R1529 4k7 33R R1962 C906 33p 50V 33R R1547 DIGITAL_IF_N DIGITAL_IF_P R1961 33R 270n L121 SIF_CTL WAKEUP_ETH RF_AGC_CTL VIFP VIFM...

Page 39: ...1 A_DQM 0 A_DQSB 1 A_DQS 1 A_DQSB 0 A_DQS 0 A_MDATA 15 A_MDATA 14 A_MDATA 13 A_MDATA 12 A_MDATA 11 A_MDATA 10 A_MDATA 9 A_MDATA 8 A_MDATA 7 A_MDAT 6 A_MDATA 5 A_MDATA 4 A_MDATA 3 A_MDATA 2 A_MDATA 1 A_MDATA 0 A_MADR 13 A_MADR 12 A_MADR 11 A_MADR 10 A_MADR 9 A_MADR 8 A_MADR 7 A_MADR 6 A_MADR 5 A_MADR 4 A_MADR 3 A_MADR 2 A_MADR 1 A_MADR 0 1 C710 100n 10V 2 1 1k R1357 SPI_SDI SPI_SDI_1 3V3_STBY D165 ...

Page 40: ...0 DVDD_DDR1 AVDD126 AVDD_ADC25_0 AVDD_ADC25_1 AVDD_REF25_0 AVDD_REF25_1 AVDD_AU25 AVDD_MOD25_0 AVDD_MOD25_1 AVDD_PGA25 PGA_COM AVDD_ALIVE_0 AVDD_ALIVE_1 AVDD_ALIVE_2 AVDD_ALIVE_3 AVDD_ALIVE_4 AVDD_DMPLL AVDD_CVBS33_0 AVDD_CVBS33_1 AVDD_AU33 AVDD_EAR33 VDDP0 VDDP1 AVDD_LPLL AVDD_DDR_0 AVDD_DDR_1 AVDD_DDR_2 AVDD_DDR_3 AVDD_DDR_4 AVDD_DDR_5 AVDD_DDR_6 AVDD_DDR_7 AVDD_DDR_8 AVDD_DDR_9 BYPASS GND3 GND4...

Page 41: ...6 5 4 3 1 5V_STBY MOSFET_CONTROL 3V3_VCC C1093 22u 16V L118 15u 2 1 C1086 22u 16V 33k R1736 C1084 22u 16V 33k R1737 C1035 100n 10V 2 1 C1038 100n 10V 2 1 C1080 6V3 100u 2 1 3V3_VCC 3k9 R1709 2 1 50V 5n6 C1130 2 1 16V 10n C1112 2 1 SS33 D197 2 1 TP211 1 MP1583 U174 1 2 3 4 8 7 6 5 FB COMP EN SS GND SW IN BS 10k R1690 2 1 2V5_VCC LM1117 U175 4 3 2 1 GND OUT IN VOUT 60R F276 2 1 R1692 10k 2 1 R1721 1...

Page 42: ...60 R1732 R1485 R1693 C860 R1677 C929 R1610 R1530 D197 F282 C1079 R1659 C1052 CN128 R1913 R1735 C1196 C964 R1685 F271 D5 C14 C1091 R1480 FS5 C630 C1202 R1605 F286 C628 R1737 R1881 C806 C944 C966 R844 R1548 R1171 C547 F290 R1750 R1672 R1867 C1078 C1175 R1862 S15 S23 C666 D6 R1952 R1384 D173 R1941 C798 R1314 R1165 C911 C713 R1321 R1946 R1619 R1722 S28 S17 R1310 R1886 C956 R1552 D184 C857 R1497 C1057 ...

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