Zenith P42W46X Service Manual - Page 22
In case of no sound
UPC - 044642701499
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TROUBLE SHOOTING GUIDE 6. In case of no sound (1) Symptom ¯ LED is green ¯ Screen display but sound is not output (2) Check follow Is normal the SPK No cable? Yes Is the SPK cable connected well? Yes Replace SPK cable No Cable inserts well. Is normal the No RGB/DVI sound? Is the Flat cable connected well? No Yes Yes Operates the IC800? Operates the IC801? No No Cable inserts well. Replace IC800 Replace IC801 Yes Yes Is normal the No RF/AV/Component sound? Replace VSC Analog B/D Operates the IC802? No Replace IC802 - 22 -
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TROUBLE SHOOTING GUIDE
6. In case of no sound
(1) Symptom
fl
LED is green
fl
Screen display but sound is not output
(2) Check follow
Is normal the SPK
cable?
Is the SPK cable
connected well?
Cable inserts well.
No
No
Cable inserts well.
No
Replace IC800
No
Replace IC801
No
Replace SPK cable
Yes
Yes
Is normal the
RGB/DVI sound?
Is the Flat cable
connected well?
No
No
Operates the IC800?
Yes
Operates the IC801?
Replace IC802
No
Operates the IC802?
Replace
VSC Analog B/D
Yes
Yes
Yes
Is normal the
RF/AV/Component
sound?