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Display
E@@M#*****
@@ : Error number. 00 is the newest.
#
: Operating state of table
0
: Currently in the INITIAL mode
7
: Currently rotating to the right
8
: Currently rotating to the left
A
: Currently chucking down
B
: Currently chucking up
*
: Invalid
• Viewing the NO DISC ERROR history display
(Switch the history by pressing the REPEAT button.)
Display
E@@D##$$%*
@@ : Error number. 00 is the newest
##
: Error contents
01: Focus error
02: GFS error
03: Setup error
$$
: Retries
00: NO DISC is determined without attempting chucking retry
02: NO DISC is determined after chucking retry.
%
: State when determined as NO DISC
1
: When stopped
2
: At setup
3
: At TOC READ
4
: When accessing
5
: When playing
6
: When pausing
7
: When manual searching (during play)
8
: When manual searching (during pausing)
*
: Invalid
SELF-DIAGNOSIS
This model has the self-diagnosis function for the VIDEO and AUDIO decoder sections.
Immediately after the power on, the self-diagnosis function searches each operation of IC's around the mechanism control microcomputer
(IC701).
The results can be checked by D502 of the VIDEO board.
Oscilloscope (Waveform)
Light
2 time blinking
3 time blinking
8
Symptom
H
No error
L
H
MPEG decoder (IC505)
error
L
H
MPEG decoder (IC505)
or
L
DRAM (IC507) error
[VIDEO BOARD] (SIDE A)
D502
100
91
1
90
IC505
32
65
33
64
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