18
TROUBLE SHOOTING GUIDE
E. VIDEO CIRCUIT
E-1. EE MODE
No output at pin19 of
JK601 or JK602?
YES
Is ON/OFF 12V supplied
to R603 and R604?
NO
Check IC801 and adjacent
circuit
YES
Is video signal output at
pin38 of IC301?
NO
Is video signal input at
pin30 of IC301?
NO
Check JK603 and pattern
YES
YES
Check R312, Q604 and
Adjacent circuit
Are CLK & DATA signals
input at pin63 and 64 of
IC301?
NO
Check SERVO/SYSCON
circuit and pattern
YES
Is ON/OFF 5V supplied at
pin47 and 76 of IC301?
NO
Check IC802 and adjacent
circuit
YES
Do X301 and X302
oscillate?
NO
Check X301 and X302
YES
Check IC301
All manuals and user guides at all-guides.com
Summary of Contents for DV-S103A Series
Page 33: ...32 PRINTED CIRCUIT BOARD 1 PCB MAIN All manuals and user guides at all guides com...
Page 34: ...33 PRINTED CIRCUIT BOARD 2 PCB POWER SMPS All manuals and user guides at all guides com...
Page 40: ...39 EXPLODING VIEWS PARTS LIST 1 PACKING AS All manuals and user guides at all guides com...
