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Download Service Manual Model 1540/1541 Disk Drive PN-314002-01
Service Manual Model 1540/1541 Disk Drive
November 1985 PN-314002-01
Contents
Title (COVER)
Page
SPECIFICATIONS
1
BLOCK DIAGRAM
2
OVERVIEW
3
CARE AND MAINTENANCE, FLASH CODE
4
CIRCUIT THEORY
POWER SUPPLY
5
RESET CIRCUITS
6
CLOCK CIRCUITS
7
MICROPROCESSOR CONTROL OF RAM & ROM
8
SERIAL INTERFACE
9
MICROPROCESSOR R/W AND MOTOR CONTROL LOGIC
10
READ/WRITE CONTROL LOGIC
11
READ AMPLIFIER
12
WRITE AMPLIFIER
13
POWER UP/DOWN WRITE PROTECTION
14
STEPPER MOTOR CONTROL CIRCUITS
15
SPINDLE MOTOR CONTROL CIRCUITS
16
TROUBLESHOOTING GUIDE
17
TROUBLESHOOTING GUIDE (Continued)
18
RESISTANCE CHECKS
19
CASEWORK/ACCESSORY PARTS LIST
20
MODEL IDENTIFICATION, DEVICE NUMBER CHANGE
21
PCB ASSEMBLY 1540001
BOARD LAYOUT
22
PARTS LIST
23
PARTS LIST (continued)
24
PN 325572 Pinout and Internal Diagram
25
SCHEMATIC
25
PCB ASSEMBLY 1540008
BOARD LAYOUT
26
PARTS LIST
27
UPGRADE NOTES
29
SCHEMATIC
29
PCB ASSEMBLY 250442, 250446
BOARD LAYOUT
30
PARTS LIST
31
IC PINOUTS AND INTERNAL DIAGRAMS
33
SCHEMATICS (1541-1B)
33B
PARTLIST PCB 250448
33A
SCHEMATIC #251748
33C
PCB ASSEMBLY 1540002
PARTS LIST, TRANSFORMER, ASSEMBLY DRAWING
34
ALPS DRIVE ASSEMBLY
PARTS LIST, WIRING DIAGRAM AND LAYOUT
35
MOTOR CONTROL PCB SCHEMATIC
36
NEWTRONICS DRIVE ASSEMBLY
PARTS LIST, WIRING DIAGRAM AND LAYOUT
37
MOTOR CONTROL PCB SCHEMATIC
38
Letzte Änderung: 2019-01-04 12:59:00
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