Service manual
Table Of Contents
- COVER
- SELF-DIAGNOSIS FUNCTION
- TABLE OF CONTENTS
- SERVICING NOTES
- GENERAL
- DISASSEMBLY
- TEST MODE
- ELECTRICAL ADJUSTMENTS
- DIAGRAMS
- BLOCK DIAGRAM – SERVO Section –
- BLOCK DIAGRAM – MAIN Section –
- NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
- Waveforms
- PRINTED WIRING BOARD – BD Board –
- SCHEMATIC DIAGRAM – BD Board (1/2) –
- SCHEMATIC DIAGRAM – BD Board (2/2) –
- PRINTED WIRING BOARD – MAIN Board (Component Side) –
- PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
- SCHEMATIC DIAGRAM – MAIN Board (1/2) –
- SCHEMATIC DIAGRAM – MAIN Board (2/2) –
- PRINTED WIRING BOARD – PANEL Board –
- SCHEMATIC DIAGRAM – PANEL Board –
- IC Block Diagrams
- IC PIN FUNCTION DESCRIPTION
- EXPLODED VIEWS
- ELECTRICAL PARTS LIST
- REVISION HISTORY
4242
MDS-NT1
6-7. PRINTED WIRING BOARD – MAIN Board (Component Side) –
MAIN BOARD (COMPONENT SIDE)
1-682-708-
12
(12)
IC400
IC402
IC401
IC901
IC301
IC420
IC503
IC501
IC505
1
4
8
5
IC550
IC451
B
B
E
E
C
C
1
3
6
4
17
28
A
BD BOARD
CN102
B
BD BOARD
CN103
1
3
2
1
1
2
1
7
2
6
13
14
2
3
C
PANEL
BOARD
CN704
1 2 3 4 5 6 7 8 9 10 11 12
A
B
C
D
E
F
G
H
I
NC
NC
Ref. No. Location
D301 D-3
D400 C-2
D402 C-7
D421 D-6
D422 D-6
D470 D-3
D901 F-5
IC301 F-7
IC400 B-5
IC401 D-3
IC402 C-7
IC420 E-6
IC451 I-9
IC501 E-10
IC503 D-9
IC505 F-10
IC550 G-10
IC901 G-4
Q100 D-3
Q170 C-11
Q270 C-10
Q400 B-6
Q401 H-5
Q440 H-5
Q451 E-9
• Semiconductor
Location
(Page 46)
(Page 39) (Page 39)