Audio Troubleshooting Guide - Zenith ZH-T202SF Series Service Manual

SECTION 2. AUDIO PART

AUDIO TROUBLESHOOTING GUIDE

1. Power Supply Circuit
Insert power cord.
Yes
Does red power led
turn on?
Yes
Turn power on.
Is power on?
Yes
Does red power led
turn on?
Yes
Does it play?
Yes
Does it output
audio?
Yes
OK
No
No
No
No
No
2-1
Check power plug and power
supply circuit.
Check power supply circuit.
Check laser circuit.
Check focus circuit.
Check disc.
Check tracking servo circuit.
Check audio circuit.