
3-59
DVD PART
DVD ELECTRICAL TROUBLESHOOTING GUIDE
Is 5V/M5V present at
collector of Q163, Q165?
No 3.4VA
YES
YES
YES
YES
No 5V
No 3.4VA.
Replace
Q162, Q163, Q165.
Check FR101
Replace D123..
YES
YES
NO
NO
NO
NO
Replace
IC101, IC102, IC103.
1. POWER CHECK FLOW
A.
B.
Check D121~D124
and replace.
Is
3.4VA section
working?
Is there a
DC voltage at Cathode
of D122,D123?
Is
3.4VA section
working?
Is 3.4V
present at emitter
of D123?
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 ...