Sunday, October 7, 2018

HP s7650 CRT monitor – How to enter the service mode, schematic, adjustments

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   Exercise care when servicing this chassis with power applied. Many B plus and high voltage terminals are exposed which, if carel...
Thursday, September 13, 2018

Jamo MPA201, Jamo SW600E, Jamo A300 – Schematics [circuit diagrams]

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Jamo MPA201(120V) circuit diagram Used ICs: NE5532P, TL072CN, NJM4560L, [TIP35C, TIP36C Output transistor pair] Jamo SW600E sub...
Tuesday, August 28, 2018

Onida Oxygen 29 – 29 inch CRT TV circuit diagram (Schematic)

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Used ICs: TDA9376, TDA8357/N1, MC24C16-BN6, TAEC-G021D(Tuner), TDA7297, NJM1136L, HFE4052BP, STR-F6655TDA6107
Saturday, July 7, 2018

Vizio, LG and TCL LCD TV SMPS schematics

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KLS 420SC-E SMPS (LG AND VIZIO 42 inch LCD TV power supply schematic Used ICs: BD9897FS, LM209, FDD8447L(FET) TCL 40E081-PWF...
Saturday, June 9, 2018

Hitachi LE29H306 – LCD TV SMPS schematic

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Used ICs:  MIP2M40MSSCF, FA5640N-C6-TE3, BD8779EFV-E2 SMPS Circuit diagram Back-light inverter  PWB

RCA L32HD32D – power board schematic

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Used ICs: MIP2F4(Switching regulator), PS2561AL 1-1-V(W) Optocoupler, SSC9501(Power control)
Tuesday, May 29, 2018

Aiwa XG990, NSX990, NSX992 compact disc stereo system – schematic

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Aiwa compact CD   stereo system circuit diagram – HE,U,C,E,K and Z models Click on the schematics to magnify
Saturday, May 26, 2018

A 715G6297 PSU Philips LCD TV SMPS – Power Board schematic

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Used ICs: PF6200, TK6A65D(FET), EL817M(X)-Opto-coupler, PF7001S, AO4286 All power supplies are a black box for Service. When de...