Kenwood CD-423M-S Service Manual page 7

QQ
3 7 63 1515 0
6. Error code
DISPLAY
MECHA ERROR 01
MECHA ERROR 02
MECHA ERROR 03
MECHA ERROR 04
MECHA ERROR 05
MECHA ERROR 08
TE
L 13942296513
www
.
CIRCUIT DESCRIPTION
ERROR CONTENTS
No input of S3. The original position error of Disc Number.
No input of S2. The turning direction error to counterclockwise
No input of S1. The turning direction error to clockwise
No input of main load sw.
No input of main unload sw.
No backed up(AC power cord has disconnected).
S1-3:Mechanism address detector switch.
There are load and unload switches in the main pickup.
SENSOR PCB
S2
S3 S1
S1 DISC 1~9
S2 DISC 10~99
S3 DISC 100~200
x ao u163
y
i
CD-423M/423M-S/424M/DPF-J3030/J5030
2 9
8
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
7