LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
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6. In case of no sound<br />
(1) Symptom<br />
1) LED is Green.<br />
2) Screen display appears but there is no sound.<br />
(2) Procedure check<br />
Is there no sound for<br />
All input(modes)?<br />
Is there no sound<br />
only for HDMI?<br />
Yes<br />
Is ther no sound only<br />
for specific input?<br />
(except HDMI,D<strong>TV</strong>,RF)<br />
No<br />
YES YES<br />
YES<br />
Is there no sound<br />
only for RF?<br />
YES<br />
Is there no sound only<br />
for AV/component/PC<br />
input?<br />
No<br />
No<br />
No<br />
Download<br />
the EDID data<br />
Check the signal after<br />
CAX2069 refer to circuit diagram<br />
No<br />
Check<br />
the Tuner IN/OUT<br />
Is the output of<br />
CXA2069 normal?<br />
YES<br />
No<br />
Check the signal before<br />
CAX2069 refer to circuit diagram<br />
- 21 -<br />
Is the speaker on?<br />
Is the speaker Cable<br />
normal?<br />
Replace the CXA2069<br />
Is theIC1300<br />
operating normally?<br />
YES<br />
Is the IC1301<br />
operates normally?<br />
YES<br />
Yes<br />
Replace the VSC B/D<br />
No<br />
No<br />
No<br />
No<br />
Set on speaker on in<br />
menu.<br />
Check the Speaker<br />
Cable.<br />
Replace the IC1300<br />
(MSP4450)<br />
Replace the IC1300<br />
(STA335BW)
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