Read Sony SLV-D500P (serv.man2) Service Manual online
7-16
No Tray open/close
ZIC1-24, 25 is
Open ; "L" ?
Close ; "H" ?
Check SIC3-34, 35
output at
OPEN
/CLOSE
Check signal line state from
SIC3-34, 35 to tray motor.
Check ZIC1 perpheral circuit.
Check SIC3 perpheral circuit
and CN3 connector.
Yes
Yes
No
No
(OPEN Waveform)
(DVD Section)
CD/VCD/DVD L/R output error
(Mixed Audio output)
Normal
DATA 0
is
input in AIC2-2?
CHECK
AIC2-7, 8pin output is
normal?
Check PCB peripheral
Pattern shot.
Check ZIC1-184 output.
Check ZIC1-179
(CD/VCD ; 16.9344MHz,
DVD ; 18.432MHz)
Yes
Yes
No
No
AIC5-1, 7 output
is normal?
Check AIC4 peripheral circuit.
Yes
No
Base terminal level
of AQ3, AQ6
are "L"?
Check VCR-MICOM mute
Yes
No
(DATA 0 Waveform)
(Vout Waveform)
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