1
7521
7521
N/B MAINTENANCE
N/B MAINTENANCE
1. HARDWARE ENGINEERING SPECIFICATION……………………..
2. DEFINITION & LOCATION CONNECTORS/ SWITCHES…………..
3. DEFINITION & LOCATION MAJOR COMPONENTS………………..
4. PIN DESCRIPTIONS OF MAJOR COMPONENTS ……………………
5. SYSTEM VIEW & DISASSEMBLY ……………………………………….
6. MAINTENANCE DIAGNOSTICS………………….………………………
7. TROUBLE SHOOTING …………………………………….……………..
8. SPARE PARTS LIST ……………………………….………………………
9. BLOCK DIAGRAM ………………………………………………………..
10. EXPLODED DRAWING…………………………………………………..
11. CIRCUIT DIAGRAM……………………………………………………...
P.2
P.40
P.44
P.47
P.60
P.84
P.88
P.120
P.128
P.129
P.130
CONTENTS