Read Sony HCD-MD1DX / HCD-MD1EX (serv.man2) Service Manual online
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HOW TO OPEN THE CD LID
1. Remove Side panel (L), (R). (Refer to page 12)
2. Rotate the Worm gear ass’y to direction of the arrow A.
2. Rotate the Worm gear ass’y to direction of the arrow A.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
CHECK
1. Open the CD lid.
2. Turn on S104 and S916 as following figure.
3. Confirm that the laser diode emission while observing the ob-
2. Turn on S104 and S916 as following figure.
3. Confirm that the laser diode emission while observing the ob-
jecting lens. When there is no emission, Auto Power Control
circuit or Optical Pick-up is broken.
Objective lens moves up and down once for the focus search.
circuit or Optical Pick-up is broken.
Objective lens moves up and down once for the focus search.
CD lid
Worm gear ass’y
A
Insert a precision
screwdriver and
push S916.
screwdriver and
push S916.
S104: ON
MODEL IDENTIFICATION
— Bottom view —
Front Panel
PART No.
MODEL
PART No.
AEP and UK models
4-212-516-0
π
Singapore and Hong Kong models
4-212-516-1
π
US and Canadian models
4-212-516-3
π
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