Download HP 8901B Service vol..

Model 8901B
Service
lbble 8A-I. Assembly and Service Sheet Cross Reference Index
Reference
Designator
'
A1
A2
A3
A4
A5
A6
A7-A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33-A49
A50
A51
A52
A53
A54
A55
A56-A69
A71
A72
Assembly Name
Keyboard and Display
Audio Filters
Audio De-emphasis and Output
FM Demodulator
Voltmeter
AM Demodulator
(Not Assigned)
Power Supply Regulators
Counter
(Not Assigned)
Controller
Remote Interface
RF Input
Buffer Amplifier (Option Series 030)
Input Mixer
IF Amplifier
LO Divider
LO Control
Low Frequency VCXO Filter
Low Frequency VCXO
Sampler
High Frequency VCO
Audio Motherboard
Power Supply Motherboard
Digital Motherboard
RF Motherboard
Series Regulator Heat Sink
Line Power
Remote Interface Connector
Power Reference Oscillator
(Not Assigned)
AM Calibrator
FM Calibrator
Audio Counter/Distortion Analyzer
Power Meter
IF Channel Filter (Option Series 030)
IF Amplifier/Detector (Option Series 030)
(Not Assigned)
IF Channel Filter (Option Series 030)
IF Amplifier/Detector (Option Series 030)
Schematic
Service Sheet
Number
25, 26, 27
12
13
10,11
14,15
8, 9
Block
Diagram
5
4
4
3
4
3
31,32
22,23
5
5
24
28
4
5
5
5
17
20,21
19
19
18
18
35
31,32
35
35
31,32
31
28
3
5
5
2
2
2
2
2
2
2
2
2
2
5
5
5
2
30
29
16
1,2
7
6
3
3
4
2
3
3
33
34
3
3
5
8A-7