18
6. Trouble Shooting Guide
4. AUDIO LINE OUTPUT Abno rmal
Check if the
output of IC501
pin121 is ok?
Replace IC501.
No
Yes
Check if the
output of IC408
is ok?
No
Check if the
Signal waveform of
IC410 is ok?
Yes
Yes
Check if H/P
Output of Jack
is ok?
Yes
OK
Audio Abnormal of
H/P Output
Check if I2S
between IC501
is ok?
Check I2S Line.
Yes
Check if VQ &
FILT+ is ok?
No
No
Check PLL Circuit of IC408.
Replace DAC, IC408
Yes
No
Check TR of Mute Circuit.
Check Mutec Port of IC408.
No
Check Connection CN701.
Audio Part
Содержание HC-4130
Страница 36: ...8 Internal Block Diagram of ICs CS4360 34 ES6629FD ES6698FD Downloaded From TheatreSystem Manual com Manuals ...
Страница 38: ...STA505 8 Internal Block Diagram of ICs 36 PT6315 Downloaded From TheatreSystem Manual com Manuals ...
Страница 39: ...8 Internal Block Diagram of ICs STA308A 37 Downloaded From TheatreSystem Manual com Manuals ...
Страница 55: ...12 Printed Circuit Diagram 53 Main Top View HC 4130 4230 Only Downloaded From TheatreSystem Manual com Manuals ...