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Contents (continued)
Dise Compatibility (J13IXA Jers nirst
Lace
SSNs Soh aly os tae
KERETA
E
e
AAA
3-11
System Support i
e
A
ea SEHR Cae
A
da
3-12
Chapter 4
Page
Preventive Maintenance
4-1
Preventive Maintenance Procedures. ..... 0... ccc ccc cece eee
enter
eee ee eee eee eee eee rra
rear rr
4-1
Chapter 5
Page
Functional Description
5-1
General Overview
A
a
bik WORE
a a baal
EERE
dels Poa
oe 5-1
HP 9153/54A with S/N Prefix 2515A and Lower
Theory of Operation
a
se dob anes stele
cae
id was Re ee eae
dee Reeds beta
ee Ty 5-1
Sample Read from the Flexible Disc Drive...............
cc cece cece eee teen eee ee en een eneeneeeeneenee 5-2
Sample Read from the Winchester Disc Drive..........
0c
cece
cece cence een cece eee e reeset te natees 5-3
HP 9153/54A with S/N Prefix 2702A and Higher and all HP 9153/54B
Theory of Operation......... A
A
Ss Pha nee
5-3
HP-IB Interface ss ino
al Sans A Arda
cee eee a
ts
ters 5-3
Clocks: and: Reset.
A
lane Uy wd
A
Aa
A
ia
5-4
MICTOCONt LONE. ua
A
e
Melee Bete
A
AN
ds 5-4
Tnput-and 'Output Ports
iii
A
A
Aia
5-4
RPI (Read Portilla lA
al ene
Ree
Aa
ii 3-5
RP2:(Read Port:2) ish 3- ieee
A
ws Saeed
ras
a
aca 5-6
WPW
rite Pot
A
be cent sain Eee
Roe Med HERES AAE E
PU
ae
alii
5-7
WP2 (Write: Port DA
A
th Shed eae bens Aa
id
nants 5-7
Phase Lock Loops and Drive Interface. ......... 0.0... ccc cece cence ener o ener
re rr roer rare
5-8
Chapter 6
Page
Removal and Replacement
6-1
HP 9153/54A with S/N Prefix 2515A and Below
Introdüctión A
a
A ae heal haw e he coe 6-1
Top Cover Removal: union
A
sa eee i
A
geen 6-1
Controller: PCA Removal
A
Me
aa
Seg
Eee ee ia
eee 6-1
Power Supply PCA: Removal oes o.sc con ei CTi ie awake hs cba
A
A
oe ESE kee oy 6-2
Drive Removal
AS
On we Hae teeing ale ene
A
dee aS
ii 6-2
Interface Module Removal
avion
id
ida alter la due ees ented 6-3
HP 9153/54A with S/N Prefix 2702A and Higher and All HP 9153/54B
Top Cover Removal A
os clean e ET ied Ween eines dae
ah 6-6
Controller PCA Removal
rro sige deca sccees
a
A
IEE
EEan iaaa 6-6
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