
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3.1 No Sound - Speaker
No Sound
Speaker
Replace B-PWB
then OK ?
Replace G(LD5)-PWB and G(LD5)-B Harness
Still NG
NG
Measure the Speaker
impedance by multi-meter
Less than 10Ω and
More than 3Ω(AR/APH 3.6) ?
Check
・
[Speakers] setting is [TV Speakers]?
・
Nothing is connected to Headphone terminal and Bluetooth ?
・
Volume setting is not too small?
OK
Finish
Replace Speaker
Then OK?
NG
OK
NG
OK
OK
OK
NG
Replace Speaker-Harness
Then OK?
Confirm the speaker
harness
Cut or shorted
to the chassis ?
OK
OK
※
※
This confirmation way is only for traditional speaker & exciter.
In PIEZO Tweeter case, we can confirm OK or NG by listening.
T R O U B L E S H O O T I N G
SAFETY NOTES
SELF DIAGNOSTIC FUNCTION
TROUBLESHOOTING
SERVICE ADJUSTMENT
DIAGRAM
HANDLING GUIDE
44
SYS SET
2021/02/04 23:38:48 (GMT+09:00)