
3-18
No Sound.
Check the Signal flow from
IC802 Pins3, 5, SC901 Pins1, 3.
NO
Check the
Vcc of IC751 Pins1, 11,
19, 22, 33.
Check 5.0V Line.
YES
NO
Check the
Tuner SiF signal at IC751
Pin2.
Check the Tuner SIF of TU701 Pin22.
YES
NO
Check the
oscillator of IC751
Pins5, 6.
Replace X751
YES
NO
Check the
Audio of IC751
Pins30, 31.
Check the IIC Clock and
Data at IC751 Pins12, 13.
YES
NO
Check the
Audio of IC801
Pins2, 3.
Check the signal flow from IC751
Pins30, 31 to IC801 Pins2, 3.
YES
NO
Check the
Audio of IC801
Pins16, 17.
Check the IIC Clock and
Data at IC801 Pins42, 43.
YES
NO
Check the
Audio of IC802
Pins3, 5.
Check the signal flow from IC801
Pins16, 17 to IC802 Pins11, 16.
YES
6-2. No Sound
VCR ELECTRICAL TROUBLESHOOTING GUIDE
Summary of Contents for DVP3350V/01
Page 17: ...2 8 MEMO ...
Page 45: ...3 37 3 38 5 TUNER CIRCUIT DIAGRAM ...
Page 51: ...3 49 3 50 IC301_LA71750EM IC501_MN101D10X IC801_TDA9605H IC751_MSP3417 3407 ...
Page 52: ...3 51 3 52 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP SIDE ...
Page 53: ...3 53 3 54 2 MAIN P C BOARD BOTTOM SIDE ...
Page 54: ...3 55 3 56 3 POWER P C BOARD ...
Page 55: ...3 57 3 58 4 KEY P C BOARD ...
Page 77: ...3 80 MEMO ...
Page 78: ...3 81 3 82 CIRCUIT DIAGRAMS 1 MPEG CIRCUIT DIAGRAM ...
Page 79: ...3 83 3 84 2 SERVO CIRCUIT DIAGRAM ...
Page 80: ...3 85 3 86 3 JACK CIRCUIT DIAGRAM ...
Page 113: ...4 32 MEMO ...
Page 119: ...5 6 MEMO ...
Page 121: ...5 9 5 10 MEMO MEMO ...