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DRAWING OUT THE TRAY DURING POWER OUT
• Perform after removing front panel.
CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS IN MD
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".
Criteria for Determination
(Unsatisfactory if specified value is not satisfied)
• 0.9 mW power
Laser power check
(6-2 : See page 33)
• 7.0 mW power
• Labeled on the optical pick-up
Auto check
• Unsatisfactory if displayed as "NG : XXXX"NG
(6-4 : See page 34)
Temperature
• Unsatisfactory if displayed as "T=@@ (##) [NG]"
compensation
offset check
(6-1 : See page 33)
Note:
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.
tray
B
cam block
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.
Specified value : 0.80 to 0.96 mW
Specified value : 6.8 to 7.2 mW
Iop (at 7.0mW)
Iop value ± 10mA
(XXXX are arbitrary numbers)
NG
(@@, ## are both arbitrary numbers)
gear(B)
A
• 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)
HCD-M10
Measure if unsatisfactory
7
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