Sony SLV-D993PAZ / SLV-D993PB / SLV-D993PE / SLV-D993PME / SLV-D998PD Service Manual ▷ View online
7-25
No pick-up home positing
Check the Sled Motor and connection
SLED+, SLED-
DRIC-13, 14 output are
normal?
Check DRIC1
Yes
No
(DVD Section)
7-26
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)
7-27
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 peripheral circuit
and DCON3 connector
Yes
No
(DVD Section)
7-28
No Tray open/close
DIC1-80 is Open ; "L" ?
Close ; "H" ? DIC1-77 is Open : "H"?
Close : "L"?
Check DRIC 17, 18
output at OPEN/CLOSE
Check signal line state from
DRIC-17, 18 to tray motor.
Check DIC1 peripheral circuit.
Check DRIC1 peripheral circuit
and DCON1 connector.
Yes
Yes
No
No
(OPEN Waveform)
(DVD Section)