Sanyo DP19640 Service Manual page 38

TROUBLESHOOTING FLOW CHARTS
NO AUDIO
All
Inputs?
YES
NO
RF(TV) ,Digital(TV)
only
AV1(CVBS) only
AV1(S-VIDEO) only
AV2 only
Component
(480i,480p,720p,1080i)
PC only
RGB
HDMI only
Check:
Line: IC5500 - LCD Panel (RGB)
Parts: Around IC5500 (Screen Controller), LCD Panel,
Wire (W5901: To LCD Panel),CONNECTOR K5901
-38-
Check:
Line:A101 Pin11->IC5500 F1pin
A101 Pin12->IC5500 F2pin
Parts: Around A101(TUNER_IF), IC5500
Check:
Line:Terminal(CVBS)->IC5500 C11
Parts: Around K1000,IC5500
Check:
Line:Terminal(AV_S_Y) ->IC5500 A8
Terminal(AV_S_C) ->IC5500 B7
Parts: Around K1003,IC5500
Check:
Line:Terminal(DVD_Y) ->IC5500 B6
Terminal(DVD_PB)->IC5500 A7
Terminal(DVD_PR)->IC5500 B8
Parts: Around K1002,IC5500
Check:
Line:Terminal Pin1(R)->IC5500 D9
Terminal(Pin2(G)->IC5500 A12
Terminal Pin3(B)->IC5500 B12
Terminal Pin13(H)->IC5500 M19
Terminal Pin14(V)->IC5500 N21
Parts:
Around K1502,IC1502,IC1503,IC5500
Check:
Line:
HDMI Terminal->IC5500
Parts: Around K6500,IC5500,IC6520