HP 7901A Operating And Service Manual page 60

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7901A
Table 5-6_ Sector Transducer PC Assembly A2 (07900-60054) Replaceable Parts
Reference
HP Part Number
Qty
Description
Mfr
Designation
Code
'2
0790(}-60054
1
SECTOR TRANSDUCER ASSY
28480
'2051
2140-0094
1
LAMP:INCANOESCENT 5.3V
92966
'201
1990-0085
1
PHOTOTRANSISTOR:30V
07263
~202
1854-0071
5
TSTR:SI NPNISELECTEO FROM 2N3704t
28480
112Rl
0698-6283
1
R:FXO COMP 10 OHM
5~
1/8W
01121
~2R2
0698-7187
1
R:FXO COMP 2 MEGOHM
5~
1/8W
01121
,2R3
069B-6984
1
R:FXO COMP 470 OHM
5~
1/8W
28480
~2R4
0698-6725
1
R:FXO COMP lOOK OHM
lO~
I/BW
01121
_2R5
069B-5178
1
R:FXO COMP 1.5K OHM
5~
1/8W
28480
IThp}]
J3
R2
J2
8
G
Rl
R4
R5
R3
07900-60054
Jl
A-1126-42
7900-89
Figure 5-17. Sector Transducer PC Assembly A2, Parts Location Diagram
Mfr Part Number
0790(}-60054
7153
FPT-100
1854-0071
~S
1005
SS 2055
0698-6984
BS 1041
0698-5178
FROMA5J3-17,U~
FROM A5J3-18,
v~
rcrORTRANSOUCER
(~S:RIES
"26'
I
I
,-
R2
2.0M
R3
470
R5
1500
SECTOR
TRANSDUCE R
J3
Q2
I
I
Maintenance
~TOA5J3-14,R
~+5V
I
J2
r
R1
10
---~
DWG REV A
Figure 5-18. Sector Transducer Assembly A2,
Schematic Diagram
5-21/5-22

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