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 Service Manual Model 1540/1541 Disk Drive ....

 Download Service Manual Model 1540/1541 Disk Drive PN-314002-01



Service Manual Model 1540/1541 Disk DriveNovember 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