Sanyo DP26648 Service Manual - Page 39

RFTV, DigitalTV, AV1, AV2, AV3,PC, Monitor Out only, AV1 or AV2or AV3, or PC, HDMI 1 / 2 - troubleshooting

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Page 39 highlights

TROUBLESHOOTING FLOW CHARTS (CONT.) NO AUDIO All Modes ? Yes No Is there signal at speaker Check: terminal ? Yes Speaker (SP901, SP902) No Is there signal at IC001 3pin (L) or 5pin (R) ? Yes No Monitor Out only RF(TV), Digital(TV) only AV1, AV2, AV3,PC only AV1 or AV2or AV3 or PC HDMI 1 / 2 - 39 - Check: Line: IC001 7pin - IC800 (CPU) 22pin (Mute) Parts: Around IC001 (Audio AMP.) Check: Parts: Around IC3200 (Audio Control) Check: Line: IC3200 5pin (L) - Monitor Out Terminal IC3200 28pin (R) - Monitor Out Terminal Parts: Q1006, Q1007 Check: Line: A6100 21pin - IC5500 AE2pin (IF1) A6100 20pin - IC5500 AF2pin (IF2) Parts: Around A6100(TU), IC5500 Check: Line: IC1251 3pin - IC6270 16pin (R), IC1251 13pin - IC6270 19pin (L), Parts: Around IC1251 (Audio SW), IC6270 (Audio ADC) Check: Line: AV1 Terminal - IC1251 14pin (L), 5pin (R) AV2 Terminal - IC1251 15pin (L), 2pin (R) AV3 Terminal - IC1251 11pin (L), 4pin (R) PC Terminal - IC1251 12pin (L), 1pin (R) Check: Line: HDMI1 Terminal - IC5500 HDMI2 Terminal - IC5500 Parts: Around IC5500

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— 39 —
Is there
terminal ?
No
No
No
RF(TV), Digital(TV)
only
Check:
Check:
Check:
Check:
Check:
Speaker (SP901, SP902)
All Modes ?
Is there
signal at IC001 3pin (L)
or 5pin (R) ?
Line: IC001 7pin - IC800 (CPU) 22pin (Mute)
Parts: Around IC001 (Audio AMP.)
Yes
Yes
Yes
Parts: Around IC3200 (Audio Control)
A6100 21pin - IC5500 AE2pin (IF1)
A6100 20pin - IC5500 AF2pin (IF2)
Parts: Around A6100(TU), IC5500
AV1 Terminal - IC1251 14pin (L), 5pin (R)
AV2 Terminal - IC1251 15pin (L), 2pin (R)
AV3 Terminal - IC1251 11pin (L), 4pin (R)
PC Terminal - IC1251 12pin (L), 1pin (R)
AV1, AV2, AV3,PC
only
IC1251 3pin - IC6270 16pin (R),
IC1251 13pin - IC6270 19pin (L),
Parts: Around IC1251 (Audio SW),
IC6270 (Audio ADC)
Monitor Out only
Line:
Line:
Check:
Line:
Check:
Line:
Check:
Line:
IC3200 5pin (L) - Monitor Out Terminal
IC3200 28pin (R) - Monitor Out Terminal
Parts: Q1006, Q1007
AV1 or AV2or AV3
or PC
HDMI 1 / 2
HDMI1 Terminal - IC5500
HDMI2 Terminal - IC5500
Parts: Around IC5500
signal at speaker
TROUBLESHOOTING FLOW CHARTS (CONT.)
NO AUDIO