JVC EXAD KD-AV7000, Service Manual

Page: 44 / 107

1-44 (No.MA101)
4.2.6 Error code table
First byte [01] Eject error
[09] Loading error
First byte
Second byte
Higher 4 bits
Lower 4 bits
bit7
bit6,5
bit4
bit3
bit2
bit1
bit0
Route No. (Process of error occurrence)
Refer to charts 1.1 and 1.2.
Error type
[1] Time out
[2] Switch status defectiveness
[3] Swinging error
Disc type (0: 12 cm. 1: 8 cm)
Fixed at 0
SW1 status
SW2 status
SW3 status
SW4 status
REST SW status
(Example) When a switch status error occurs during loading route 3 and the
switch status is L/L/H/H/H (00111B = 07H), the error code and
detailed error code become: [09 3207].
Route No. (EJECT route No.)
-
1(2)
1(2)
2(2)
2(2)
2(2)
2(2)
3(1)
3(1)
Chart 1.1 12cm Disc switch status transition
SW1/2/3/4
1,1,1,1
0,1,1,1
0,0,1,1
0,0,0,1
0,0,1,1
0,1,1,1
1,1,1,1
1,1,1,0
1,1,1,0
[Rest SW]
[0]
[0]
[0]
[0]
[0]
[0]
[0]
[0]
[1]
Loading
No Disc
Disc insert
detection
Load completion
Eject
No Disc
Eject
completion
Eject start
Reload
Disc push in
Reload start
Load completion
Route No. (EJECT route No.)
-
1(2)
1(2)
2(2)
2(2)
3(1)
3(1)
Chart 1.2 8cm Disc switch status transition
SW1/2/3/4
1,1,1,1
0,1,1,1
0,0,1,1
0,1,1,1
1,1,1,1
1,1,1,0
1,1,1,0
[Rest SW]
[0]
[0]
[0]
[0]
[0]
[0]
[1]
Loading
No Disc
Disc insert
detection
Load completion
Eject
No Disc
Eject
completion
Eject start
Reload
Disc push in
Reload start
Load completion
Transition in the center loading (Similar to 12cm in the side loading)
(1) Error code table of LOADING/EJECT mechanism error
Error code (1 byte) Detailed error codes (2 bytes)