HP 5245L Service Manual

List
of
Illustrations
Assembly
Model
5245L
Page
.1-0
. 2-1
. 2-2
.
2-3
.
2-4
.
2-5
.
2-6
.
2-7
.
2-B
.2-10
. 2-t0
. z-tt
. 2-tL
. 2-L2
.
2-L6
. 2-t7
.
2-18
. 2-L9
. 2-20
. 2-2t
.
4-35
. 4-45
.
5-t4
. 5-16
.5-18
.
6-4
.
6-6
.
6-?
.6-8
.6-9
usT
oF
rrrusTRATtoNS
Figure
1-1.
Model
5245L
and
Accessories
Basic Diode Circuits
Transistor
Operation
Basic Transistor
Circuits
Basic Operation
of
Decimal Counter or Decade Divider
. .
Basic
Four
Binary
Counter
Counting Sequence
of
Four Binary Counter
Typical Reset
Operation in
Four Binary Decimal
Counter
Lamp
Control
Basic Counter
Functions
Standard Frequency
Outputs
2-ll. Scaler
Operation
2-t.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
2-9.
2-10.
2-L2. Time Sequence
2-13. Model
5245L Logic
Block
Diagram
2-14.
Decimal Counter
and Decade Divider
2-15.
50
MHz
Counting Sequence
2-16. 50
MHz
Readout and 50
MHz
Counter
2-17. Function
Control
Block
Diagram
2-18.
Gate
Control Block Diagram
2-19.
Sampling Control
Block
Diagram
.
4-1. Modular
Cabinet Parts
4-2. Mechanical
Parts Locations
5-1. DP and MU with +L248
BCD Output
(J35-5245L
Special)
5-2.
DP and
MU
with
-L248
BCD
Output
(J36-5245L
Speciat)
5-3.
Remote Control Wiring
and
Connectors
(Special)
6-1. Self Check
. .
.
6-2.
Operating Controls
(Front
Panel)
6-3.
Operating Controls
(Rear
Panel)
6-4. Top Internal
View
6-5.
Bottom
Internal View
?-1. General
Notes for
Schematic
Diagrams
7-2.
Block Diagram
7-3. Al Input Switch
1-4. A2 Time
Base
Switch
7-5.
A3
Function
Switch
. . .
7-6.
A4,
A5 Mode
Switch,
Output Switch
7
-7.
7
-8.
?-9.
?- 10.
?-11.
7
-12.
?-
13.
7
-L4.
?-
15.
7-
16.
7-L7.
?-18.
?-
19.
7
-20.
7
-21.
7-22.
A2?
Multiplier
7-23.
A28 Decade Divider.
7-24.
A29-A34 Decade
Divider
7-25.
A35 Time Base Control
7-26. J6, J11 Connectors
A1?
Decimal
Counter
A18 Readout
(5245L-48)
AlB
Readout
(05245-6001)
Option
02
A18
Readout
(05245-6003)
Option
03
A19,
A20
Input Amplifier
A21 Function
Control
A22
Gate Control.
A23
Sampling
Control
A24, A25,
4,26
Crystal Oven,
Oven Control,
;i";kb;s;;*
::::
Block Diagram
Oscillator . .
46,
AT
Rectifier,
Regulator
A8, A9
Decimal
Point,
Measurement Units
. .
A10-A14
Decimal Counter
(5212L-4A)
A10-A14
Decimal
Counter
(05212-6002,
6003) Option
02,03
A15,
4'16
5
MHz
Decimal
Counter
(05232-6010)
A15, 4'16
Decimal Counter
(05232-6002,6003)
Option 02, 03
. .
7-2
?-3
7-5
7-7
?-9
7-
11
7-13
7-
15
7
-t7
?-
19
7
-2t
7
-23
7
-25
7
-27
7
-29
?-3
1
7-33
?-35
7
-37
?-39
7
-41
7-43
1-45
7
-47
7-49
7- 51
1V
02349-1

HP 5245L Specifications

General

Brand	HP
Model	5245L
Category	Cash Counter
Language	English