Sanyo DP47840 Service Manual page 35

TROUBLESHOOTING FLOW CHARTS (CONT.)
NO AUDIO
All Modes ?
No
Yes
Is there
signal at IC001 ?
No
Monitor Out only
RF(TV), Digital(TV)
only
AV1 or AV2or AV3
or PC
HDMI 1 / 2 / 3
Is there
signal at speaker
terminal ?
Yes
No
Check:
Line: IC001 30,24pin(L), 21,15pin(R)
Yes
Parts: Around IC001 (Audio AMP.)
Check:
Line:
IC001 37pin - IC5500 F1pin (ACLK)
IC001 3pin - IC5500 G4pin (ADATA1)
IC001 4pin - IC5500 F2pin (LRCLK)
IC001 5pin - IC5500 L3pin (BCLK)
Parts: Around IC001 (Audio AMP.),IC5500
Check:
Line:
IC6250 7pin (L) - Monitor Out Terminal
IC6250 1pin (R) - Monitor Out Terminal
Parts: Q6250, Q6252
Check:
Line:
A6100 21pin - IC5500 A12pin (IF1)
A6100 20pin - IC5500 B12pin (IF2)
Parts: Around A6100(TU), IC5500
Check:
Line:
AV1 Terminal - IC5500 C17pin (L), B20pin (R)
AV2 Terminal - IC5500 A17pin (L), B19pin (R)
AV3 Terminal - IC5500 B17pin (L), A19pin (R)
PC Terminal - IC5500 B18pin (L), A18pin (R)
Check:
Line:
HDMI1 Terminal - IC5500
HDMI2 Terminal - IC5500
HDMI3 Terminal - IC5500
Parts: Around IC5500
– 35 –
Check:
Speaker (SP901, SP902)