11
TROUBLE SHOOTING GUIDE
C-3. PICTURE IN PB MODE
C-4. AUTOSTOP IN PB MODE
PB picture is not good
YES
Noise appears on the
screen on the whole?
NO
Noise appears on the
screen at the bottom?
NO
Check flow C-2
YES
YES
Is V-SW puls applied to
PREAMP circuit?
NO
Is V-SW pulse supplied
From pin46 of IC501?
Adjust the PG delay
(R591)
YES
YES
YES
NO
Check R524 and pattern
Check D.PG input at pin13
of IC501 and P502
Is DC-ENVE waveform
input at pin39 of IC501?
NO
Is DC-ENVE waveform
output at pin6 of IC401?
NO
Check video circuit
YES
Check video circuit
Autostop during playback
YES
Are S&T pulses input at
pin1 and pin7 of IC501?
NO
Check reel sensors
YES
Is D.FG input at pin30 of
IC501?
NO
Is D.PWM output at pin33
of IC501?
NO
Check IC501
YES
YES
Check IC501
Check P502 and R536
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...
