6.1.1. Necessary instruments to adjust
1. Test disc (Playback-only disc)
2. Commercially available recordable disc (fully recorded with music) (magneto-
optical disc)
3. Remote controller
6.1.2. Preparations for adjustment
1. Check the laser emission.
A. Make the player to the mechanism unit only. (Refer to Fig.3 or the item of
“Replacement for the intermediate cabinet” in “Operation Checks and Main
Component Replacement Procedures).
B. Set the battery.
C. While pressing the battery cover to connect the battery power,
continuously press the OPEN/CLOSE switch. (As shown in
Fig.4
)
D. The optical pickup moves up and down and emits a laser. (Caution: Do not
look directly at the laser light source.) If the laser does not emit a beam,
follow the item of “operation check” in “Troubleshooting Guide ” and
check for a malfunction.
E. Make the optical pickup move to the center of the movement range (refer to
Fig.4
) (Note : Do not touch the optical pick up lens.).
F. Remove the battery.
Fig.4
31
Summary of Contents for SJ-MJ75
Page 9: ...9 ...
Page 10: ... Check the P C B A side as shown below 5 1 2 Checking for the P C B B side 10 ...
Page 11: ... To check the IC501 on side B of P C B refer to the table 1 and illustration below 11 ...
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Page 13: ...5 2 Replacement for the intermediate cabinet Follow the Step 1 Step 3 of item 5 1 1 13 ...
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Page 21: ...5 4 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 1 21 ...
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