Radio/Stereo: Testing and Inspection

Power Switch:

INSPECT POWER SWITCH CONTINUITY
If continuity is not as specified, replace the control panel.







INSPECT POWER SWITCH RESISTANCE
Inspect the resistance between terminals.
If resistance is not as specified, replace the control panel.




INSPECT POWER SWITCH ILLUMINATION
Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, check that the illumination light lights up.
If the illumination light does not light up, replace the control panel.

Pioneer made:

INSPECT RADIO RECEIVER ASSEMBLY CIRCUIT
Disconnect the connectors from the radio receiver assembly Inspect the connector on the wire harness side.
If circuit is not as specified, inspect the circuits connected to other parts.

HINT: Check the wire harness between radio receiver assembly and the CD auto changer, between radio receiver assembly and power amplifier,


NAKAMICHI made:







INSPECT RADIO ASSEMBLY CIRCUIT
Disconnect the connector from radio assembly and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect the circuits connected to other parts.