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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
Содержание HCD-LV80
Страница 28: ...HCD LV80 28 28 7 3 PRINTED WIRING BOARD BD SECTION See page 19 for Circuit Boards Location Page 32 ...
Страница 30: ...HCD LV80 30 30 7 5 SCHEMATIC DIAGRAM DECK SECTION See page 54 for IC Block Diagrams Page 38 ...
Страница 31: ...HCD LV80 31 31 7 6 PRINTED WIRING BOARD DECK SECTION See page 19 for Circuit Boards Location ...
Страница 37: ...HCD LV80 37 37 7 12 SCHEMATIC DIAGRAM MAIN 1 3 SECTION See page 54 for IC Block Diagrams MICON INTERFACE ...
Страница 39: ...HCD LV80 39 39 7 14 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 36 for Printed Wiring Board ...
Страница 41: ...HCD LV80 41 41 7 16 SCHEMATIC DIAGRAM POWER SECTION ...
Страница 45: ...HCD LV80 45 45 7 20 SCHEMATIC DIAGRAM PANEL VR SECTION See page 55 for IC Block Diagrams ...
Страница 47: ...HCD LV80 47 47 7 22 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Страница 50: ...HCD LV80 50 50 Page 36 7 25 PRINTED WIRING BOARD CD MOTOR SECTION See page 19 for Circuit Boards Location ...
Страница 51: ...HCD LV80 51 51 7 26 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 38 ...
Страница 52: ...HCD LV80 52 52 7 27 SCHEMATIC DIAGRAM TRANS SECTION ...