Saturday, March 10, 2018

Stereo 3-way, Mono 5-way crossover, and hi-power amplifier using 2N6512 power transistor – schematic

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High Power amplifier circuit – using 2N6512 Power transistor 2N6512 is a silicon NPN power transistor - TO3 package - 120 Watts 7 Amps. ...
Monday, February 26, 2018

CD Soundmachine – Philips AZ101-Schematic

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Schematic (Circuit diagram) Used ICs: TA2157FN,D9258PH, TC94A29F, AN7323, D2822 System control schematic Head-pre & motor con...
Thursday, February 22, 2018

LG Smart TVs – Do It Yourself - Netflix, DLNA, and other smart function configurations, firmware update and more

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NetCast entertainment access - LG Smart TVs Motion sensing remote Included with LW9500, LW7700, LW6500 * Press enter to bring up curso...
Wednesday, February 21, 2018

Sony HCD GPX5G – 4-ch D-Amp circuit diagram, how to take disc out in emergency

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Sony HCD-GPX5G/GPX7G/GPX8G Precaution when installing a new op unit/ precaution before unsoldering the static electricity prevention solde...
Wednesday, January 24, 2018

Sharp LC26, LC32 and Sharp LC37 – LCD TVs – SMPS and back light inverter schematics

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FD605WJ (POWER SUPPLY UNIT - NJM2904M, MR4020, TXA037WJ  IC704: POWER SUPPLY CONTROLLER FOR INVERTER MR4020 (26”) / MR4030 (32”/37”) Sh...
Sunday, January 7, 2018

Philco PH39E31DSGW, Philco PH32E31DG – LED LCD TVs – SMPS circuit diagram

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Philco PH39E31 - 39 inch LED LCD TV power board circuit diagram [schematic] Philco PH32E31 - 32 inc LED LCD TV power board circuit d...
Monday, December 25, 2017

Kenwood KA7300 - Stereo amplifier circuit diagram [Schematic]

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Schematic-Full Click on the schematic to zoom in
Thursday, December 21, 2017

AIWA NSX-A777- S777 - A767 SCHEMATIC DIAGRAM

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Used ICs:   M62445 FP-600D, BA7762AFS, BA3880FS, M62445 FP-600B, BU4551, LC876572V-5K554, BU2099, BA3835F, BU9990FS,  (2SB1625/2SB2SD2494 ...