Kenwood CD-223M Service Manual page 9

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3. TEST MODE (CD-223M/224M/2260M/2280M/DPF-J3010/J5010/J7010)
INPUT KEY
Insert the AC plug to
the wall outlet with
pressing the SKIP-
DOWN key.
Insert the AC plug to
the wall outlet with
pressing the REPEAT
key
PLAY/PAUSE
STOP
UP
DOWN
RANDOM
TE
L 13942296513
DISPLAY
POWER
REPEAT
CONFIRM
(TIMER PLAY SW)
(SL16/XS8 SW)
(TxD port)
Insert the AC plug to
the wall outlet with
pressing the UP key.
Insert the AC plug to the wall
outlet with pressing the
RANDOM key.
PLAY/PAUSE
STOP
www
UP
.
DOWN
RANDOM
DISPLAY
CIRCUIT DESCRIPTION
INITIAL CONDITION
• Disc No.1 moves to the center and clamp it.
• Clear the memory of the SRAM.
• Door opens.
• Set the switch of TIMER ON PLAY to ON.
• Set the switch of SYSTEM CONTROL to XS8.
CIRCUIT ADJUSTMENT
• Open the door and load the disc to the Disc
No.1.
• Close the door. The unit chances to test mode
"05" after clamping the disc.
Change the mode 05(tracking-on) and 03 (tracking-off)
alternately by the PLAY key.
Stop the function.
The pickup travels outwards.
The pickup travels inwards.
Shows the result of self-adjustment.
07 EF/FB í
ó
08 TG/FG
ó
09 FE/RF
ó
10 TE/VC ìì
Mode changes alternately by the RANDOM key.
Check the transmission signal (Disc No.1 and Track
No.99) of the remote controller.
*DPF-J7010 only
Playback PGM signal of the Track
No.7,13,23,30,34 and 41 in the order. And release
Release the test mode.
Check the switch position.
Check the switch position.
Check the SL16-TEXT port.
"TxD : H - RxD:L, TxD:L - RxD:H"
CHECK THE MECHANISM JAMMING. the order.
Clamp the Disc No1,2,100,50,200 and 199 in
the order.
THE MECHANISM TEST MODE.
Display shows NIAGARA until pressing any key.
Change the mode 05 (tracking-on) and
03 (tracking-off) alternately by the PLAY key.
Stop the function.
Shows the result of self-adjustment.
07 EF/FB í
ó
08 TG/FG
ó
09 FE/RF
ó
10 TE/VC ìì
x ao u163
y
Mode changes alternately by the STOP key.
Arm Motor Load operation.
i
Arm Motor Unload operation.
Rotary Motor Clockwise turning.
Rotary Motor Counterclockwise turning.
CD-223M/224M/DPF-J3010/J5010
2 9
8
PROCEDURE
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3 6 7 1 3 1 5
–
co
.
9 4 2 8
DISPLAY
INITIAL OK!!
MECH. INITIAL
INITIAL NG
TIMER, NG
SER, NG
TEST ON
05 1 : 23 03 2 : 34
00
MOTOR FORWARD
MOTOR REVERSE
07 XXX:XXX
08 XXX:XXX
09 XXX:XXX
10 XXX:XXX
NG : blinking
0 5 8 2 9 9 4 2 8
shows niagara mode
TIMER ON, TIMER OFF
16BIT, 8BIT
05 1 : 23 03 2 : 34
07 XXX:XXX
08 XXX:XXX
09 XXX:XXX
m
10 XXX:XXX
NG : blinking
MOTOR LOAD
MOTOR UNLOAD
MOTOR CW
MOTOR CCW
9 9
9 9
9