Thursday, July 21, 2016

How to enter service mode – software update – initialization – White balance adjustment - Philips 49 inch LED LCD TVs.

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Philips 49PFL4909/F7 – Serial No.: DS1, DS2 Philips 49PFL4609/F7 – Serial No.: DS1, DS2 Philips 49PFL4909/F8 – Serial No.: XA1, XA2, XA3 ...
Friday, July 15, 2016

Mytek and TCL LCD TV – power supply circuit diagram

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TDA16888 (SMPS control).  Pin 2 – 7.5V; Pin 9 – VCC
Thursday, July 14, 2016

CM4320 LG Mini Hi-Fi system – SMPS circuit diagram

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Power supply regulator schematic – LGCM4320 Mini Hi-Fi Circuit Diagram - SMPS Click on the schematic to magnify

LGLP42SLPV2EV3 – LG 42 inch LCD TV SMPS - EAY34797001 Schematic

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EAY34797001 - LG 42" LCD TV power supply circuit diagram

LG32LN530B LED LCD TV Power supply board – EAX64905001 – Circuit Diagram

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LG 32 inch LED LCD TV 32LN530B SMPS Schematic.  Used ICs:  SC1S311A [Power control] – MDF11N65B [Switching Output FET] – MAP3202 – NR891D...
Monday, July 11, 2016

Aiwa HT DV50 HTS – DVD system – Power Amplifier and SMPS circuit diagram - STR-F6676 – TA2020-020

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Used ICs: STR-F6676 – TA2020-020. Optical pickup – SF-HD3AV / HD3AVC Circuit diagram (Schematic) PWB Optical pick-up
Friday, July 8, 2016

Philips QFU2.1E Chassis LCD TV - SMPS circuits - troubleshooting

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Power Supply Unit For 32", 37", and 55" sets, power supply units should be repaired on component level.  All other power su...
Wednesday, July 6, 2016

Stereo Amplifier Circuit Diagram using Power Transistors

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Power transistors with LM391 or at the entrance, preamp