TDA8944J – PT2314
Power amplifier schematic and PWB
Keyboard
LCD board
WMA & Memory
Click on the schematics to zoom in
Saturday, February 20, 2016
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.
(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.
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
Click on the schematic to magnify
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
