Friday, July 7, 2017

Samsung CS21M16MJZXNWT CRT TV – how to enter the service mode, circuit diagram

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High Voltage Limits High voltage must be measured each time servicing is done on the B+, horizontal deflection or high voltage circuits. C...
Wednesday, June 28, 2017

Akira 14THS3/CE CTV UOC OM8370 or TDA9381- Service mode - schematic – fault finding

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How to enter service mode – Akira 14THS3 , 14 inch color TV, Troubleshooting, circuit diagram, working principle The high voltage in the ...
Tuesday, June 27, 2017

Philips 40PFG5100-77 LED LCD TV –SMPS circuit diagram, Pin voltages - Chassis TPM15.4L

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Philips 32PFG5100, Philips 40PFG5100 and Philips 48PFG5100 - SMPS and Back-light inverter schematic  -  Power Supply Unit A715G6934 Schem...
Monday, June 19, 2017

DPS 186CP-1 Universal LCD TV Power board Circuit diagram circuit description and troubleshooting

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Used with - Haier P32R1, Haier L32F1, Haier LK32K1, Haier L32R3and  Vizio VOJ320F1A Haier L32Fl LCD TV power supply voltage is + 5V, +12...
Thursday, June 15, 2017

How to enter the SERVICE mode China TV kit using TDA9374 System-Chroma jungle – PF2939 chassis - Circuit diagram

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Used semiconductors and transformers STR-F6454R (SMPS control), TDA9384, TDA8360Q, TDA9859, TDA7057AQ, TA75558P, TDA7056B, TDA6107Q, HEF40...
Friday, June 9, 2017

AOC L32DS99X, AOC L42DS99X – LCD TVs – power supply (SMPS) Schematics

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AOC L32DS99X, AOC L42DS99X – LCD TVs – Power supply regulator circuit diagram AOC L32DS99X 715G3332P01H20003M SMPS L32DS99X 715G33...
Sunday, May 28, 2017

Sharp LC-32LE140E LCD TV – 17MB62 chassis – circuit diagram

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Sharp LC-32LE140E, LC-32LE140EV, LC-32LE140EK, LC-32LE140RU - 17MB62 Chassis Click on the  schematics to zoom in Power-1 Power-2 ...
Thursday, May 25, 2017

Color TV – Slim and Ultra Slim type – Circuit diagram – 8899 or8897 Syscon IC

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ET-SCE-KD4 / ET-SEE-K06(Tuner) – AN17821(Input selector) – 8899 / 8897 (Syscon-Chroma jungle) – 24C08(Memory) - STR-W6556A(SMPS Control) – ...