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.
Summary of Contents for HT-C553
Page 8: ...3 4 Samsung Electronics MEMO...
Page 23: ...6 2 Samsung Electronics PCB Diagram 6 2 FRONT PCB Top FCON1 UIC2 KIC2 U1 2 1...
Page 25: ...6 4 Samsung Electronics PCB Diagram 6 3 FRONT PCB Bottom...
Page 26: ...Samsung Electronics 6 5 PCB Diagram 6 4 KEY PCB Top...
Page 27: ...6 6 Samsung Electronics PCB Diagram 6 5 KEY PCB Bottom CN1 IC1 1...
Page 31: ...6 10 Samsung Electronics PCB Diagram TP1 TP2 TP3 TP4 TP5 6 6 2 Test Point Wave Form TP6 TP7...
Page 33: ...6 12 Samsung Electronics PCB Diagram 6 8 SMPS PCB Top CON1...
Page 34: ...Samsung Electronics 6 13 PCB Diagram 6 9 SMPS PCB Bottom CON2 CON3...
Page 35: ...6 14 Samsung Electronics MEMO...
Page 47: ...2 8 Samsung Electronics MEMO...
