Troubleshooting Guide - JBL Soundgear Series Service Manual

TROUBLESHOOTING GUIDE

Turn power on.
Is power on?
YES
Does initial read work?
YES
Does it play?
YES
Does it output audio?
YES
OK
NO
NO
NO
Check tracking servo circuit.
NO
-9-
Check power supply circuit.
(Check PN 807)
Check laser circuit.
Check focus circuit.
Check disc.
Check audio circuit.