Sanyo DP23625 - Page 38

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TROUBLE SHOOTING FLOW CHARTS (CONT.)
NO VIDEO
All Modes?
Yes
No
RF(TV) only
AV1 only
Check:
Line: A101 17pin - IC1201 5pin
Parts: Around A101 (TU_IF), Q101
RF, AV1 only
Check:
Line: IC1201 7pin - IC1202 5pin
Parts: Around IC1201 (Video SW)
Check:
Line:
IC1201 1pin (Composite Video: CV)
IC1201 3pin (S-Input: Y)
IC2001 90pin (S-Input: C)
Check:
Line:
IC1202 3pin (Y)
IC2001 94pin (Cr)
IC2001 88pin (Cb)
AV2 only
Check:
Line:
IC1202 1pin (CV)
Check:
Line:
IC1202 7pin - IC801 36, 37pin (Y/CV)
IC7201 99pin - IC1831 11pin (VD)
IC1831 10pin - IC801 23pin (VD)
IC1201 154pin - IC1831 13pin (HD)
IC1831 12pin - IC801 22pin (HD)
IC801 21pin - IC1732 5pin (OSD Y)
IC1732 3pin - IC7201 96pin (OSD Y)
IC801 20pin - IC1732 2pin (OSD B)
IC1732 6pin - IC7201 85pin (OSD B)
IC801 19pin - IC1733 5pin(OSD G)
IC1733 3pin - IC7201 84pin (OSD G)
IC801 18pin - IC1733 2pin(OSD R)
IC1733 6pin - IC7201 83pin (OSD R)
Parts: Around
IC1831/7232/7233 (DD Converter),
IC801 (CPU), IC7201 (IP Converter)
AV3 only
Check:
Line:
IC1202 7pin - IC2001 81pin (CV),78pin(Y)
IC2001 68pin - IC7201 62pin (HD)
IC2001 70pin - IC7201 61pin (HD)
IC2001 - IC7201 (Y/C)
IC7201 - LCD Panel (RGB)
Parts: Around
IC7201 (IP Converter), IC1202 (Video SW),
IC2001 (Digital Decoder), Panel, Inverter
Caption, OSD only