Samsung HT-C553, Руководство по обслуживанию

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4-10 Samsung Electronics
Troubleshooting
4-1-4 Component (Y, Pb, Pr)
Component (Y, Pb, Pr)
Check 3.3V power lines
from IC23 to IC36.
No
Check if the pin 7, 8 of
IC23 are 3.3V.
Check if VDD of 3.3V is
measured at the pin 82, 78,
72 of IC10.
No
No
Check if VDD of 3.3V
is measured at the pin
10 of IC36.
Yes
1
/
2
/
3
Check if YDAC,CADC
and UDAC output is measured
at the pin 76, 80 and 81 of
IC10 ES8398.
4
/
5
/
6
Check if output is measured
at the pin of 11,13 and 12 of
IC36 THS7374.
Yes
Replace the IC23 IC.
Check if component
video output is measured at
the JA1.
Replace the IC10 IC.
No
Yes
Replace the IC36.
Yes
No
Check MPEG output
Check Video switch.
Check JACK Output
Check the JA1 connectivity
and replace.

Refer to wave pattern
image of Fig. 4-7 and
Fig. 4-8.

Refer to wave pattern
image of Fig. 4-9 and
Fig. 4-10.