HP 7901A Operating And Service Manual page 9

7901A
Table
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4-l.
5-l.
5-2.
5-3.
5-4.
5-5.
5-6.
5-7.
5-8.
5-9.
5-10.
5-1 I.
5-12.
5-13.
5-14.
5-15.
5-16.
5-17.
6-l.
6-2.
6-3.
6-4.
6-5.
6-6.
6-7.
6-8.
Title
HP 7901A Disc Drive Specifications·
Read/Write Fault Conditions . . . .
Required Tools and Test Equipment
Preventive Maintenance Schedule . .
Printed-Circuit Assembly Repair Equipment
Disc Drive Chassis Replaceable Parts . . . .
Indicator PC Assembly Al (07901-60014) Replaceable Parts
Sector Transducer PC Assembly A2 (07900-60054) Replaceable Parts
Motor Control PC Assembly A3 (07901-60008) Replaceable Parts .
Servo Amplifier/Regulator PC Assembly A4 (07901-60009/60011)
Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . .
Motherboard PC Assembly A5 (07901-60010) Replaceable Parts
Write Driver/Read Preamplifier Assembly A6 (07901-60003)
Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . .
Read/Write Control PC Assembly A 7 (07901-60004) Replaceable Parts
Encoder PC Assembly A9 (07901-60006) Replaceable Parts . . . . .
Drive Oontrol PC Assembly A10 (07901-60002) Replaceable Parts
Sector Cylinder PC Assembly All (07901-60005) Replaceable Parts
I/O Multiplex PC Assembly A12 (07901-60007) Replaceable Parts
Termination PC Assembly A16 (07901-60013) Replaceable Parts
Integrated Circuit Characteristics . . . .
HP 7901A Disc Drive Replaceable Parts
Front Panel Assembly Replaceable Parts
Upper Deck Assembly Replaceable Parts
Lower Deck Assembly Replaceable Parts
Rear Panel Assembly Replaceable Parts .
Carriage Assembly Replaceable Parts ..
Reference Designations and Abbreviations
Code List of Manufacturers . . . . . . . .
TABLES
Page
· .1-2
· .4-8
.5-2
· .5-3
.5-6
5-16
5-19
5-21
5-23
5-24
5-28
5-31
5-34
5-39
5-44
5-47
5-50
5-54
5-58
.6-2
.6-4
.6-6
.6-8
· 6-10
· 6-12
· 6-14
· 6-15
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