Electro help
Electronic Equipment Repair Assistance
Monday, August 22, 2016
Atec Haier - 21 inch color TV 21T5A - CRT TV - Circuit diagram
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2 1 inch CRT color TV - Haier 21T5A - Schematic - Used ICs: AN7821A/AN7522N – TDA9859 – TDA9850 – BU4052 – LA78040 - KA5Q765RT [STR] in S...
Thursday, August 18, 2016
Sharp LC32X20 – Sharp LC37X20 – How to enter service mode – firmware update – Hotel mode – SMPS circuit diagram
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How to enter Adjustment mode (Service Mode), How to update the firmware, How to adjust the Hotel mode, How to adjust the Lamp error, Hotel...
Wednesday, August 17, 2016
TCL LCD32B67 How to enter service mode – adjustments – SMPS and Audio Output schematic
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TCL LCD32B67 SERIES LCD TV MONITOR – Factory mode – Adjustments - SMPS ADPF24180A2, Power, LVDS and Audio Output circuit diagram How to ...
Sharp 21VR70MM Service mode – adjustments – Schematic COLOUR TELEVISION
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SERVICE MODE 1. Service mode is entered by SERVICE key input or CH-UP +VOL-DOWN input during reset. 2. Service mode is cleared by enterin...
Tuesday, August 16, 2016
How to disassemble Toshiba 23HLV87 LCD TV/DVD COMBINATION
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WHEN REPLACING DVD DECK Before removing Pick Up PCB and DVD PCB connector, the short circuit the position shown in Fig, using a soldering ...
Sony SAVA 500 Test mode – Schematic Diagram - Home Theater Speaker System
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Sony SAVA-500/SS-CN16/SR16 HOME THEATER ACTIVE SPEAKER SYSTEM – Circuit Diagram – Test modes KEY CHECK MODE Procedure 1. Push back [Po...
Monday, August 15, 2016
Sony HCD-GZR777DA – Test modes – Error codes – Circuit diagram DVD Mini Hi-Fi MHC-GZR777DA DVD DECK RECEIVER
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HCD-GZR777DA is the tuner, deck, DVD and amplifier section in MHC-GZR777DA. DVD mechanism: CDM74HFVX-DVBU101 Optical pick-up: KHM-313CAB...
Grundig and BEKO LCD TVs – SMPS, Inverter, Scaler, Audio output and Tuner circuit Diagram
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Davio 20 LCD 51-5710 Text GBF6600, Davio 20 LCD 51-5732 DVB-T GBG1300, Lenaro 19 LXW 49-7711 Text GBF6400, Lenaro 26 LXW 68-7732 DVB-T...
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