CD-4900M/DPF-J9030
6
CIRCUIT DESCRIPTION
INPUT KEY
PROCEDURE
DISPLAY
Insert the AC plug to
INITIAL CONDITION
MECHA. INITIAL
the wall outlet with
• Disc No.1 moves to the center.
INITIAL OK!!
pressing the SKIP-
• Clear the memory of the SRAM.
DOWN key.
• Door opens.
INITIAL NG
• Set the switch of TIMER ON PLAY to ON.
TIMER NG
Insert the AC plug to
CIRCUIT ADJUSTMENT
TEST ON
the wall outlet with
• Open the door and load the disc to the Disc No.1.
pressing the REPEAT
• Close the door. The unit changes to test
key
mode05 after clamping the disc.
PLAY/PAUSE
Change the mode 05(tracking-on) and
05 XX:XX 03 XX:XX
03(tracking-off) alternately by the PLAY key.
STOP
Stop the function.
00
UP
The pickup travels outwards.
MOTOR FORWARD
DOWN
The pickup travels inwards.
MOTOR REVERSE
RANDOM
Shows the result of self-adjustment.
07 EF/FB
07 XXX:XXX
08 TG/FG
08 XXX:XXX
09 FE/RF
09 XXX:XXX
10 TE/VC
10 XXX:XXX
Mode changes alternately by the RANDOM key.
NG: blinking
REPEAT
Playback PGM signal of the Track No.7,13,23,30,34 and 41
in the order. And release the test mode.
CONFIRM
Release the test mode.
(TIMER PLAY SW)
Check the switch position.
TIMER ON , TIMER OFF
OPERATION A/B
Change the mechanism A and B.
Insert the AC plug to
CHECK THE MECHANISM JAMMING.
the wall outlet with
Clamp the Disc No1,2,100,50,200 and 199 in the order.
pressing the UP key.
Insert the AC plug to
THE MECHANISM TEST MODE.
the wall outlet with
Display shows Niagara until pressing any keys.
pressing the
RANDOM key.
PLAY/PAUSE
Change the mode 05(tracking-on) and
05 XX:XX 03X:XX
03(tracking-off) alternately by the PLAY key.
STOP
Stop the function.
Shows the result of self-adjustment.
07 EF/FB
07 XXX:XXX
08 TG/FG
08 XXX:XXX
09 FE/RF
09 XXX:XXX
10 TE/VC
10 XXX:XXX
Mode changes alternately by the STOP key.
NG: blinking
UP
Arm Motor Load operation.
MOTOR LOAD
DOWN
Arm Motor Unload operation.
MOTOR UNLOAD
RANDOM
Rotary Motor Clockwise turning.
MOTOR CW
DISPLAY
Rotary Motor Counterclockwise turning.
MOTOR CCW
REPEAT
Playback PGM signal of the Track No.7,13,23,30,34
and 41 in the order.And release the test mode.
CONFIRM
Release the test mode.
OPERATION A/B
Change the mechanism A and B.
2. Test mode
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