Thursday, May 11, 2017

TCL SY33 chassis – TCL25M63 TCL21M63 - slim CRT TV – how to enter service mode, circuit diagram, TEA1506 IC controlled SMPS schematic

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Used ICs: 21C16 (Memory), LA76933 (Syscon: Chroma jungle), BCK3532(FBT), TEA1506P(SMPS control), LA78041(Vertical scan output), LA42352(A...
Wednesday, May 10, 2017

Onkyo SKW-204(B)/(S)/(Y)-Powered Subwoofer Circuit diagram, exploded view, Current adjustment

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Black, Silver and Yellow models Adjustment of idling current When 1. Exchange transistors (Q505 - Q519). 2. Exchange MAIN PC board as...

LG EAY62811001- power supply board circuit diagram (schematic) and connector voltages - LG55LA6970 LED TV, LG55LA6900, LG55LP870H-UZ, LG55LA7400

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Used ICs: IEC38R4765JZ, R2A20133D, SSC9527S, STD10NM50N(FET), EL817MB-DT(Photocoupler), R5F100BCAFP, IW7011A Connector voltages Ci...

How to enter service mode – Thomson DTH8040 DVD player – factory reset – SMPS (Transistorized) circuit diagram

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Power supply board schematic, Initialization (Factory Reset) – Thomson DTH8040E, Thomson DTH8040U- DVD players Service mode > Connec...

LGP3739-13PL1 – part code: EAY62810401, EAX64905301 power supply unit circuit diagram and Connector voltages

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LG 37, 39 and 42 inch LCD TV power supply unit schematic – 39LN549E, 39LN575V, 39LN5300, 39LN5700-UH,  Used semiconductors: MAP3202SIRH...
Monday, May 08, 2017

Sanyo CE28DF-C (Europe)- how to enter service mode, service adjustments - Flyback transformer [LOT] number - 645 003 3094

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Memory initialization, Gray scale adjustments, AGC and AFT adjustments, system control IC pin description and more… TDA8362,TDA7263, LA783...
Sunday, May 07, 2017

Daewoo DTT3250, DTT3250MT CTV - How to enter service mode, adjustments, SMPS, deflection and audio output circuit diagram

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STR X6757 (SMPS control) , TDA8172A (Vertical output IC), BSC29-0185F (FBT) THE ADJUSTMENT METHOD OF CP-750 WITH USER ROMOTE CONTROLLER ...
Saturday, May 06, 2017

TCL LE32E1600 – Side-lit LED LCD TV –– SMPS schematic

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Power supply regulator board circuit diagram – TCL Side lit type LCD TV - TCL LE32E1600 Product Name: Side light type LCD TV Product Mod...