Read Sony SLV-D500P (serv.man2) Service Manual online
7-14
NO DVD LD ON
RIC1-22 is 5V?
Current exceeds 0.1A?
LD out pick-up replace.
Open check in related circuit.
Check RIC1
Yes
Yes
Yes
No
No
Divide RQ2 emitter terminal
voltage and 5V real voltage
difference into 10ohm.
(DVD Section)
No Search Operation
MIRR
, SIC1-37
output is normal?
Actual velocity occurs
at SIC1-152 terminal?
at SIC1-152 terminal?
Actual velocity occurs
at SIC3-32, 33 terminal?
Check RIC1 peripheral circuit.
RFAGCO, RIC1-73
output level is normal?
Check SIC1 peripheral circuit.
Check SIC3 peripheral circuit.
No
No
No
No
Yes
occurs in search range?
Focus On?
Yes
Yes
Yes
A
See "Fine Seek Check"
No
Yes
Check pick-up.
No
(MIRR Waveform)
(DVD Section)
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