CMT-M100MD, HCD-M10 - Sony Audio Service Manual (repair manual). Page 7

7

tray

gear(B)

First turn the whole of cam block in the arrow 

A

 direction with fingers, 

then put out tray by turning gear (B) in the arrow 

B

 direction.

• Perform after removing front panel.

B

A

cam block

Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent.
Details of the procedures are described in “Section 5  Electrical Adjustments”.

The criteria for determination above is intended merely to determine if satisfactory or not, and does not serve as the specified value for adjustments.
When performing adjustments, use the specified values for adjustments.

• 0.9 mW power

Specified value : 0.80 to 0.96 mW

• 7.0 mW power

Specified value : 6.8 to 7.2 mW

Iop (at 7.0mW)

• Labeled on the optical pick-up

Iop value 

±

 10mA

• Unsatisfactory if displayed as “NG : XXXX”NG

(XXXX are arbitrary numbers)

• Unsatisfactory if displayed as “T=@@ (##) [NG]”

NG

(@@, ## are both arbitrary numbers)

Laser power check

(6-2 : See page 33)

Auto check

(6-4 : See page 34)
Temperature

compensation

offset check

(6-1 : See page 33)

Criteria for Determination
(Unsatisfactory if specified value is not satisfied)

• Clean the optical pick-up

• Adjust again

• Replace the optical pick-up

• Replace the optical pick-up

• Replace the optical pick-up

• Check for disconnection of the circuits around

D101 (BD board)

• Check the signals around IC101, IC151, CN102,

CN103 (BD board)

Measure if unsatisfactory