HP 7901A Operating And Service Manual page 61

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7901A
Table 5-7. Motor Control PC Assembly A3 (07901-60008) Replaceable Parts
Reference
HP
Part Number
Qty
Description
Mfr
Designation
Code
1103
07901-60008
1
MOTOR CONTROL ASSY:PC
28480
He!
0160-0269
2
C:FXO CER 0.1 UF 20S 500VOCW
56289
nC2
0160-0269
C:FXO CER 0.1 UF 20S 500VOCW
56289
A3CR1
1902-0025
4
DIODE.8REAKDOWN:10.0V 5S 400 MW
28480
nCR2
1902-0025
DIODE.BREAKDOWN:I0.0V 5S 400 MW
284BO
A3Kl
0490-0373
1
RElAY;REED
28480
HOI
1884-0054
1
THYRISTOR
02735
/1302
1884-0076
1
THYRISTOR:TRIAC 400V
86684
URI
0686-6815
1
R:FXD COMP 680 OHM 5% 1/2W
01121
.e3R2
0686-1015
2
R:FXO COMP 100 OHM 5S 1/2W
01121
nR3
0812-0060
1
R:FXD WW 5K OHM 5S 5W
28480
.tI3R4
0686-1025
2
R:FXO COMP 1000 OHM 5% 112W
01121
A3R5
0686-1025
R:FXO COMP 1000 OHM 5S 1I2W
01121
J3
~.m
07901-60008
8
U
Kl
N
a:
III
v
N
R3
cr
a:
a:
U
u
a:~
u
N
~
a:
Jl
J2
79(\1
7
Figure 5-19. Motor Control PC Assembly A3, Parts Location Diagram
Mfr Part Nu mber
07901-60008
41C92A10-COH
41C92AIo-COH
1902-0025
1902-0025
0490-0373
40526
40430
EB 6815
EB 1015
0812-0060
EB 1025
EB 1025
FROM
LOGIC
GROUND
TERMINAL
BOARD
DRlvt~OTOR
CHASSIS MOUNT!£.
C.!!'~
i
TOR
CONTROL
(O~~,
SERIES "'.,
A3Pl
2~_JT1
__________________
~
____________________________ __
I
I
I I
FROM TBl-7
4
FROM TBI-2
I
I
I
I I
FROM A5J3-7,H
@
A3P3 (
~
I
1
I
I I
I
I
FROM A5J3-17,U
@
( 2 (
}
__ -----1
DWG REV A
117 VAC NEUTRAL
117 VAC
J3
ENERGIZE MOTOR RELAY
I
I
I
I
+5 VDC
C2
0.1
R5
1000
MI

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