Specifications
INDEX
Paragraph Page
Paragraph Page
—
Adjustments, circuit:
Audio
------ ------ ------ -----
DC
------- ------- ------------
11.5-mc---------------------
5.65-mc ---------------------
47.0-mc ---------------------
Voltage supply limits sensing---
Aligment
Equipment required -----------
General --------------- -------
procedures
------- ------- ----
Amplifier:
5.65-mc:
Tests
--------------------
Theory -------------------
11.5-mc:
Tests
------------ ------ --
Theory -------------------
47. 0-mc:
Tests
------- ------- ------
Theory -------------------
Assembly , troubleshooting :
A7400
-------------- ------- --
A7500
-------------- ------- --
A7600
------------ ------- ----
A7700
------- ------- ------- --
A7800
-------------- ------- --
Audio :
Amplifier, theory
------ ------
Circuits, adjustment ----------
Tests
-------------- ------- --
Block diagram, theory ------------
Cable Assembly, Special Purpose,
Electrical Branched CX-7899/
VRM-1, repair —---------------
cable, test probe:
Removal ---------------------
Replacement
-----------------
Chart, troubleshooting
------- ----
chassis:
Removal ---------------------
Replacement
-------- ---------
Chassis bottom plate:
Removal ---------------------
Replacement
------- ------- ---
Checking dc power supply for
Shorts
-- --- ------- ------- ---
Circuits, adjustments:
5.65-mc ---------------------
11.5-mc --—-----------------
47.0-mc --—-----------------
Components, removal and
replacement
------- ------------
(Connector J7902:
Removal --—-— --------------
Replacement
------------- --
Connectors
Removal -—-----------------
Replacement
-—--------—----
Dc Circuit, adjustments ----------
Equipment required:
Alignment ------- ------------
Final testing
------- -------- --
Filter, 5.65-mc, theory ----------
43
e
43
d
43g
43
f
43
h
43
c
42
41
55-59
49,65
6
50.66
4
51,67
7
53
56
57
58
59
3
43
e
48,64
2
40
c
40a
40b
33d
36a
36b
36a
38b
31
43
f
43
g
43
g
38
38
n
43
d
42
61
5
35
35
36
35
36
33
33
33
56-62
47,67
5
51,67
3
53,68
6
55
57
58
59
62
3
35
43,66
2
30
29
30
19
24
24
25
26
18
35
36
36
25
26
26
27
27
35
33
65
4
Final testing:
Audio --—--------------------
Equipment required -----------
11.5-mc amplifier ------------
5.65-mc amplifier -—---------
47.0-mc amplifier ------------
Power -----------------—----
Purpose
-------------- ----
Test setup
---—--------------
Fourth echelon testing:
Audio
-----------------------
11.5-mc amplifier ----— ------
Equipment required -----------
5.65-mc amplifier ------------
47.0-mc amplifier -—---------
General
------------ ---------
physical
------- -----— ------
Power ----—---—---—----—-
Summary
--------------------
Front panel:
Removal ---------------------
Replacement
-----------------
Fuseholder:
Removal ---------------------
Replacement
---—--- ---------
Gasket:
Removal ---------------------
Replacement
-----------------
General instructions, trouble-
shooting -----------------------
Inspection -----------------------
Isolatiting troubles:
Assembly:
A7400 --------------------
A7500 ----------- —-------
47600 --------------------
A7700 --------------------
A7800 ---------— ---------
Switch S7902
-------------- ---
Lamp sockets:
Removal ---------------------
Replacement
-----------------
Line voltage sensing circuit:
Adjustment -------------------
Theory
----------------------
Localizing troubles ---------------
Manual, scope -------------------
Parts replacement technique
------
Physical tests
--------—---- ----
Plug-in assemblies:
Removal ---------------------
Repairs ----------------------
Replacement ------------------
Power:
Distribution, theory -----------
Tests ------------------------
Procedures:
Alignment --------------------
Troubleshooting
—------------
Purpose, final testing
— ----- -----
Removal:
Chassis ----------------------
Chassis bottom plate ----------
64
61
66
65
67
63
60
62
48
50
45
49
51
44
46
47
52
38
g
39a,
c
39b,
d
28
46
55
56
57
58
59
34
38
e
38
f
43
b
11
33
1
35
46
37
a
54
37 b
12
47,63
55-59
29
60
38
a
66
65
67
67
68
66
65
65
43
51
37
47
53
37
39
41
54
24
24
26
26
29
29
17
39
56
57
58
59
62
21
26
26
33
9
19
2
24
39
55
25
10
41, 66
56-62
17
65
24
25
79
f