LG FA162 - Electrical Troubleshooting Guide of CD Part

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ELECTRICAL TROUBLESHOOTING GUIDE OF CD PART
1. POWER CHECK GUIDE
Power ON Power ON
Check connector.
(CN401, CN403)
Reconnect it.
Does no disc or time are
appeared at FLD?
Check CD MD module.
Check connector CN403.
OK
Does CD
appear at FLD?
Does disc1
appear at FLD?
Check the voltage
of each pin on CN401.
Push CD button.
NO
NO
NO
NO
Does AUX,
FM 87.5 appear
at FLD?
Does it appear
CD error at FLD?
YES
YES YES
YES
NO
YES
YES
YES
YES