Sony SLV-D920B / SLV-D920E / SLV-D920N / SLV-D920R / SLV-D925E / SLV-D930D / SLV-D930GI / SLV-D960PB / SLV-D960PE Service Manual ▷ View online
7-12
DRUM DOES
NOT ROTATE
CN604-8
12V
CN604-3
5V
CN604-12
2.5V
CHECK
CYLINDER MOTOR
IC601-5, 9 DRUM CTL “L”
CHECK PC5V LINE
CHECK AL12V
12V AT LINE
IN THE POWER BLOCK
NO
NO
NO
YES
YES
YES
CHANGE IC601
NO
CHECK
R608, C659, R617, C661
(VCR Section)
7-13
No focus incoming
PWMO
in DIC1-148
is within specified range?
(PWMO Waveform)
DRIC-37, 38 output
are normal?
Check open state from
DRIC1 to pick-up.
Check DIC1 and A, B, C, D input.
Check DRIC1.
Yes
Yes
No
No
A
(DVD Section)
No pick-up home positing
Check the Sled Motor and connection
SLED+, SLED-
DRIC-32, 33 output are
normal?
Check DRIC1
Yes
Yes
No
(DVD Section)
7-14
NO DVD LD ON
DIC1-124 is "H"?
Check LD of Pick-up.
Check DIC1
Yes
No
QLP2 Collector is "L"?
Check QLP2
Yes
No
MDQ1 Collector is "H"?
Check MDQ1
Yes
No
(DVD Section)
Abnormal rotation of
disc motor
SPDRV output is normal?
(DIC1-76)
DIC1-140(SPDL-SENS)
Input is normal?
Check disc motor.
Check DRIC1 soldering.
Resoldering DIC1.
Yes
Yes
No
No
Input of A, B, C, D
signal is normal?
(DIC1-131~134)
Check DIC1 perpheral circuit
and DCON3 connector
Yes
No
(DVD Section)
7-15
No Tray open/close
DIC1-55 is Open ; "L" ?
Close ; "H" ? DIC1-58 is Open : "H"?
Close : "L"?
Check DRIC1-14, 15
output at
OPEN
/CLOSE
Check signal line state from
DRIC1-14, 15 to tray motor.
Check DIC1 perpheral circuit.
Check DRIC1 perpheral circuit
and DCON1 connector.
Yes
Yes
No
No
(OPEN Waveform)
(DVD Section)
CD/VCD/DVD L/R output error
(Mixed Audio output)
Normal
ADOUT
is
input in AIC2-2?
CHECK
AIC2-7, 8pin output is
normal?
Check PCB peripheral
Pattern shot.
Check DIC1-176 output.
Check DIC1-163
(CD/VCD ; 16.9344MHz,
DVD ; 18.432MHz)
Yes
Yes
No
No
AIC4-1, 7 output
is normal?
Check AIC4 peripheral circuit.
Yes
No
Base terminal level
of AQ3, AQ6
are "L"?
Check VCR-MICOM mute
Yes
No
(ADOUT Waveform)
(Vout Waveform)
(DVD Section)
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