14
TROUBLE SHOOTING GUIDE
C-8. EMERGENCY
C-9. VCP DOES NOT OPERATE (ALTHOUGH POWER CIRCUIT IS NORMAL.)
Emergency mode when
plugging (power cord)
YES
Is +5.1V applied to pin18
of IC501?
NO
Check power module
YES
Does X501 crysyal
oscillate?
NO
Check IC501 and crystal
circuit
YES
Are CAM SW data cor-
rect?
NO
Recheck P504 and CAM
SW contact
YES
Check IC503 and IC501
VCP does not operate after
power cord plugging
YES
Is +5.1V supplied to pin1
of IC502?
NO
Check power module
YES
Is +5V input at pin63 of
IC501?
NO
Check IC502 and pattern
YES
Check flow C-8
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...
