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7. TUNER / AUX FUNCTION CHECK
FUNCTION CHECK
Check JK401,TU100.
NO
YES
Check IC401
(CS5346) Pin7, 8,
23, 24 input.
YES
YES
Check IC401
(CS5346) Pin9 output
data.
YES
YES
Check IC401
Pin5: +5 V
Pin46: +3.3 V.
Check CN105 Pin7: +5 V
Pin9, 10: +3.3 V.
NO
NO
Check
IC801(BX8805)
input data.
YES
Check IC401
Pin5: +5 V,
Pin6: High,
Pin46: 3.3 V.
Check IC401
Pin41: SDOUT,
Pin42: SLCK,
Pin43: LRCK,
Pin44: MCLK.
NO
NO
IC501(MLC9800)
output data.
Replace IC401.
OK
YES
3-25
AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE
Summary of Contents for CM4330
Page 13: ...1 12 MEMO ...
Page 15: ...2 2 MEMO ...
Page 19: ...A60 4 SPEAKER SECTION 4 1 FRONT SPEAKER CMS4330F ...
Page 51: ...3 32 MEMO ...
Page 66: ...3 61 3 62 2 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 67: ...3 63 3 64 3 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...