8
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)
Symptom
No error
MPEG decoder (IC505)
error
MPEG decoder (IC505)
or
DRAM (IC507) error
[VIDEO BOARD] (SIDE A)
D502
IC505
100
91
33
64
90
65
1
32
H
L
Light
2 time blinking
H
L
H
L
3 time blinking
Summary of Contents for HCD-LV80
Page 30: ...HCD LV80 30 30 7 5 SCHEMATIC DIAGRAM DECK SECTION See page 54 for IC Block Diagrams Page 38 ...
Page 31: ...HCD LV80 31 31 7 6 PRINTED WIRING BOARD DECK SECTION See page 19 for Circuit Boards Location ...
Page 39: ...HCD LV80 39 39 7 14 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 36 for Printed Wiring Board ...
Page 41: ...HCD LV80 41 41 7 16 SCHEMATIC DIAGRAM POWER SECTION ...
Page 45: ...HCD LV80 45 45 7 20 SCHEMATIC DIAGRAM PANEL VR SECTION See page 55 for IC Block Diagrams ...
Page 47: ...HCD LV80 47 47 7 22 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Page 51: ...HCD LV80 51 51 7 26 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 38 ...
Page 52: ...HCD LV80 52 52 7 27 SCHEMATIC DIAGRAM TRANS SECTION ...