N
N
N
OK
OK
Y
Y
N
N
= 0V
> 0V
OK
Has video but no audio
Check the Volume has set to “0” or
it is mute
Done
Check the voltage of “Mute” pin beside
the amplifier IC. It should not be 0V.
Check the mute circuit
if it is OK.
Done
Fix the mute circuit
Upgrade the software
Change the main
IC “U100”
Done
Change the mainboard
Done
Done
Check the audio input line
& the audio input circuit.
Done
Summary of Contents for CDH-LE32FD14
Page 15: ... 15 Block Diagram 5M67B ...
Page 17: ... 17 IC Block Diagram 1 CTC707CCQ ...
Page 18: ... 18 ...
Page 19: ... 19 2 MSD1326EX Z1J ...
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Page 31: ... 31 4 NT5CB128M16HP DI ...
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Page 34: ... 34 5 MX25L1606EM2I 12G ...
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Page 36: ... 36 6 K9F1G08U0D SCB0 ...
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Page 39: ... 39 7 TAS5707 ...
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Page 42: ... 42 8 BH3544F E2 ...
Page 43: ... 43 9 AS1117L 3 3 AS1117L 2 5 AS1117L 1 8 ...
Page 44: ... 44 10 MP1495DJ LF Z ...
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Page 47: ... 47 11 TEA1733T ...
Page 48: ... 48 12 OZ9967GN ...
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