Sony HCD CPZ1DAB Full Schematic, CD error code mode, CD Servo test mode, CD power manage

 

CD SERVO TEST MODE

This mode used to check operation of optical pick-up.

1. Press the POWER key to turn the power ON.

2. Press the [FUNCTION] key to select “CD”.

3. Press three keys of [PLAY MODE/DIRECTION/TUNING MODE], [|<<, <<]  and  (CD) simultaneously.

4. When the CD servo test mode is activated, optical pick-up moves.

CD POWER MANAGE

This mode is for switch the CD power supply on/off. Even if this state pulls out AC plug, it is held.

1. Press the POWER button to turn the power on.

2. Press the [FUNCTION] button to select CD function.

3. Press the POWER button again to turn the power off (standby).

4. While pressing the  (CD) button, press the POWER button.

5. It turns power on and display “CD POWER”, then display “ON” or “OFF”.

CD ERROR CODE MODE

This mode can be used for error display of CD section.

1. Press the POWER key to turn the power ON.

2. Press the [FUNCTION] key to select “CD”.

3. Press three keys of [PLAY MODE/DIRECTION/TUNING MODE], + and  (CD) simultaneously.

Note: Error code is not displayed on the liquid crystal display.

CD board and schematic

TC board and schematic

DAB board and schematic

Main board schematic-1 and Main board schematic-2

Amp board schematic

Amp board PWB

Power board and sub-power board

Panel board schematic