Zenith ZH-T202SF Series Service Manual - Section 2. Audio Part
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SECTION 2. AUDIO PART
AUDIO TROUBLESHOOTING GUIDE
1. Power Supply Circuit
Insert power cord.
Check power plug and power
supply circuit.
Turn power on.
OK
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Does red power led
turn on?
Check power supply circuit.
Is power on?
Check tracking servo circuit.
Does it play?
Check audio circuit.
Does it output
audio?
Check laser circuit.
Check focus circuit.
Check disc.
Does red power led
turn on?