jWIN JX-CD 540J 用户手册

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Problem

Player fails to function

No sound from 
Headphones

Intermittent sound

Dirty or defective disc
Dirty pick up lens
Player is subject to excessive vibration or shock
Low battery power
Poor Headphone connection

No sound when played
through an external amplifier

Connection is incorrect
Power to external amplifier not switched on

Headphone plug is not firmly inserted into the Green Phones
socket.
Headphone have been inserted into the Black line output 
socket.

Points to Check

Disc may be inserted upside down
Disc not mounted correctly on chuck
Dirty or defective disc
Dirty pick up lens
Player lid not closed
Moisture/Condensation, allow player to warm up to room
temperature for 60 minutes
AC power to adaptor switched off
Weak batteries
Auto switch off has occurred