HP 7936 Support Manual page 207

Disc drives
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NOTES:
1.
Cable assembl ies W1 thru W8
are ide n t i fie d as f
0
I I
ow s :
2.
3.
4.
W1 - Primary Power. 07937-60173
W3 - Power Supply Input. 07937-60164
W4 - Power Supply Output, 07937-60163
W5 - Speed Sense. 07937-60038
W6 - Power Jumper, 07937-60064
W7 - Signal Jumper. 07937-60065
WB - HDA, 07937-6006B
See figures
12-5
thru 12-11
L !
NE
'V
for de t a i I s of cable
assemb lies W1 thru WB.
ABS1
See figures 12-13 thru 12-19
for connector pinout infor-
mation for ass emb lie s A 1
thru A5, A7, and AB.
Con t r
0
I Ie r PCA-A6 installed
in the drive is designated
PRIMARY
POWER
PCA-A6, regardless of its host
interface function.
Refer
PCA-A8
to the appropriate appendix
at the rear of this manual for
connector pinout information
appl icable to the controller
in
J2
J7
J5
J4
J3
installed
the drive.
(115 VAC)J1
(240 VAC) J2
LED PCA-A7
J1
W4P4
S71137A57
POWER SUPPLY
PCA-A4
W4
W3P2
W3
W4P5
W4
W1P2
81P1
B1P2
J1
W3P1
W1
W4
,zzzzzzzzzzzzzzzzz8
W4
SERVO PCA-A1
Jl
J2
......
"
\
\
I
./
I
SPEED
SENSOR
HEAD/DISC
ASSEMBLY A3
WB
CONTROLLER PCA-A6
LINE
FILTER
FL1
Diagrams
7936 and 7937
I--_...,.AC
POWER
CORD
_
HOST VIA
INTERFACE
CABLE
Figure 12-12. Cabling Diagram
12-21

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