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3-3
VCR ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER(SMPS) CIRCUIT
1-1. No 5.3VA
NO
YES
YES
Is the FR101
Normal?
Replace FR101
(Use the same ICW)
NO
YES
Is the BD101
Normal?
Replace the BD101
NO
YES
Is the R101
Normal?
Replace the R101
NO
YES
Is Vcc
(9V ~ 18V) supplied
to IC101 Pin2?
Is the D102 normal?
NO
Check or Replace the D102
NO
YES
Are the D125
normal?
Replace the D125
NO
YES
Is there
about 2.5V at the
IC103 Pin1?
Replace the IC103
NO
YES
Is the D123
normal?
Replace the D123
NO
YES
Is the D124
Normal?
Replace the D124
NO
YES
Is the D121
Normal?
Replace the D121
Power Line of Main
PCB is short
No 5.3VA
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 ...