Sony CD Walkman D-EJ2000, Руководство по обслуживанию

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D-EJ2000
• x button (the CD player) or x button (the remote control)
All servos (Focus/Tracking/Sled) off
• > / . button (the CD player) or > / . Rotary
control (the remote control)
Motion of the optical pick-up (to outside or inside)
Tracking/Sled servo off
•
[VOL+/VOL-]
button (the CD player) or VOL + / VOL - Rotary
control (the remote control)
Two step volume setting
• P MODE/ F button (the remote control)
Every pressing the button changes CLV (the rotation velocity) 1
to 4 times.
Tracking/Sled servo on
Remote control LCD display
(To cancel this mode, turn off the power. Then set in the Service
Mode again.)
• [SOUND] button (the remote control)
Automatic adjustment of servo
4. Error rate display
C1 error rate is displayed when the following operation are
performed during playing in the Service Mode.
1) Cancel the other Service Mode by turning off the power.
2) After turning on the power, set a CD in the player.
Then press u / ENT button (the remote control).
Remote control LCD display
3) Set the automatic servo adjustment by pressing
[SOUND]
button
(the remote control).
4) Press P MODE/
F
button (the remote control) twice.
Remote control LCD display
010001
040004
(1 time)
(4 times)
0000
5) C1 error rate display mode is active by pressing [DISPLAY] button
(the remote control).
The remote control LCD displays the following message.
Remote control LCD display
Note : Press [SOUND] button before pressing P MODE/
F
button during playing a CD.
By pressing in a wrong order, the value of Er****
becomes very big.
6) When
[DISPLAY]
button (the remote control) is pressed,
P MODE/ F button is effective again. Then the value of CLV
(the rotation verocity) becomes changeable.
Note :
Error rate display at x1 speed is not available, therefore
skip “010001” (x1 speed) quickly.
Remote control LCD display
7) C1 error rate is displayed on the LCD by pressing [DISPLAY]
button (the remote control).
Remote control LCD display
8) Turn off the power.
9) Open the solder land SL806 (TEST) on the MAIN board.
Note :
The solder should be removed clean.
Er****
Value of
****
0000 – 0099 : OK
0100 –
: NG
020002
040004
010001
(2 times)
(4 times)
(1 time)
Error rate : NG
Er****