Schematic Diagrams

Monday, February 22, 2016

WP32A30 – LG 32 inch CRT TV – Circuit Diagram

SMPS and DEFLECTION

SMPS PWB

PIP-MULTI

DCF-MULTI

AUDIO

CRT BASE CARD

See the Service Mode and other adjustments =>

CLICK ON THE SCHEMATICS TO ZOOM IN

LG CB20T20X CRT TV – Schematic

Used ICs: TDA2006 – TDA8841 or TDA8842 – 24C16 - U4488B – SAA5281 – LA7016 – CD4052B – TDA8351 – TDA6107Q - STR-S5707

Circuit diagram – LG CB20T20X 20 inch CRT TV

See the Service Mode and other adjustments =>

Click on the schematic to Magnify

Sunday, February 21, 2016

Colour TV Circuit diagram - using TDA8899 system control-chroma jungle IC

ET-5EC-K04/ET-5EC-K61/ET-5EE-K06 (Tuner) – TDA8897/TDA8899 (System control chroma jungle) – STR W6556A – LA78041/TDA8177 (Vertical scan output) – TA1343 (Audio processor) – AN7522/AN17821 (Audio output) – 24C08 (System memory)

Circuit Diagram [Click on the circuit diagram to zoom in]

Saturday, February 20, 2016

PHILIPS AZ3830/55 MP3 CD Soundmachine – Circuit Diagram

TDA8944J – PT2314

Power amplifier schematic and PWB

Keyboard

LCD board

WMA & Memory

Click on the schematics to zoom in

Onkyo CD RECEIVER CR-315 - CR-315DAB - Schematic

Onkyo CR-315 - CS-315DAB Black and Silver – Power amplifier and FL Display – System control – Circuit Diagram

Initialize the unit
(1) Press and the hold down the STOP button, then press the STANDBY/ON button at power on state.
Preset memory and each mode stored in the memory, are initialized and will return to the factory settings.

FL Display: Shows “clear” and goes to Standby

(2) Disconnect the AC power cord from a wall outlet.

Check version of microprocessor.
Main microprocessor (Q709), Servo microprocessor (Q101), Sub microprocessor (Q801).
(1) Press and the hold down the DISPLAY button, then press the STANDBY/ON button at power on state.