Thursday, August 1, 2019

Akira 14RBS3WN CRT color TV – Service mode, fault finding, IC pin voltages, Default data values - CHASSIS TB1238 – Schematic

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Used Ics - TB1231N [video chroma jungle], TMP87PS38N [System control], AT24C16 [memory], BSC25-02AW23 [FBT], TDA7057AQ [audio output], T...
Sunday, July 7, 2019

CRT TV CT225BZ, CT565BZ Samsung K51Achassis schematic

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There are Mono and Stereo models.   Schematic for both included. Used ICs: TDA6108Q[Video output], TDA7266[Audio output], TDA7056B, Z89...
Tuesday, June 11, 2019

LCD 47XR2 Sanyo SMPS schematic, factory mode, software update

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1 682 342 81 : AUS, SS etc.  1 682 343 78 : INDIA Method of software upgrading Steps of software upgrading are as follows 1. S...
Thursday, May 30, 2019

Multi-use Stereo amplifier schematic - USB/FM, Keyboard, Guitar, Line in, Line out

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Used transistors are BC549, BC640C, BC556B, BC639, 2N5551, BC337, BC327, KSC340/MJE340, KSC350/MJE350, TIP41C, TIP42C All resistors a...
Saturday, May 18, 2019

Sony KDL 40HX701, KDL 32EX500, G2HE power board [SMPS] schematic

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Used ICs - TCP8119, MIP2H2, TK15A500[FET], CXA3809M[power control IC]
Tuesday, May 14, 2019

17MB 82 Vestel LCD TV chassis, how to enter the service mode, full schematic and other details

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Used with Telefunken, Sharp, Vestel and many other brand LCD TVs. 17MB82S main board is driven by MediaTek MT5820. This IC is capable...
Saturday, March 23, 2019

Sony MHC-RG490S/RG590S – power amplifier and power board schematic

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Using ICs: STK412-240, STK403-130, STK 404-130 Schematics [Power amplifier] STK-403 130 STK 412-240 Power amplifier schematic ...

Philips 3605 GL IBP32 and LG LCD 08h3237-233 SMPS [Power board] schematic

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Philips 3605 GL IBP32 – SMPS schematic Used ICs: NCP1207, HS01G, 13MN60 [FETx2], F6N80, PS2771 [Opto-coupler], OZ9977, F5N50[FET] ...