Gradient – AS-M903 MP3 System – Circuit Diagram

Used ICs: BD3872FS – 4558 – M65855P – PT8300HA12237F – 2011 – LC877364A – STK403-070 – STK403-100

Schematic

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Philips 26MD251D – LCD TV – Power Supply Schematic

Used ICs: L6562D – TEA1507 (SMPS Control)

SMPS circuit diagram and PWB

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Top House KP21SA210 - CRT TV - Circuit Diagram

Used ICs: LA7263 – LA76931 – 24C08 -  LA78040 – BSC28-070(LOT) – TDA16846(SMPS CONTROL) – TC4052 – LV1116

Philips 40PFL4609 – Circuit Diagram – Digital main board

Scheamtic – Digital main board - Philips 40PFL4609

The order of pins shown in this diagram is different from that of actual IC3101.
IC3101 is divided into seven and shown as IC3101 (1/7) ~ IC3101 (7/7) in this Digital Main Schematic Diagram Section.

TYPE-A

TYPE-B

The order of pins shown in this diagram is different from that of actual IC3101.

IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section

CONTROL PANEL CIRCUIT FOR BOTH TYPE

See the circuit diagram of the SMPS board and other adjustment details =>>

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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 =>

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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 =>

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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]

PHILIPS AZ3830/55 MP3 CD Soundmachine – Circuit Diagram

TDA8944J – PT2314  

Power amplifier schematic and PWB

Keyboard

LCD board

WMA & Memory

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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.

Amplifier and FL display circuit diagram

CD mechanism and CD loader - Exploded view

Exploded view

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Colour TV kit Circuit Diagram – TMPA8829 syscon chroma jungle IC

Used ICs: 24C08 – TMPA8829 – 4052 – MSP34X5G – TDA8944 – TDA8945 – TC90A49P – TDA8177 – TDA16846 – BCK4901-XX(LOT) CTV CIRCUIT

Britania Home Theater Britain FAME 240 USB - Schematic

Britania Fame 240USB - Home Theater – SV VCD THEATER FAMA 240 - SMPS and AMP Circuit Diagram

Used semiconductors: MP7742-2X15W – SHT600A – FSDM0565

SUBWOOFER - CENTER - SURROUND - FRONT LEFT and RIGHT Amplifier - schematic

PRE-AMP

SMPS (Power)

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