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 1. Calibration Test
Performance standard
FUNCTION SWITCH position
a. RANGES B.
40 scale divisions
9.60-10.8
9.60-10.8
9.80-11.0
10
9.60-10.8
b. RANGES C.
20 scale divisions
12.1 -13.3 12.1 -18.3
12.8 -13.5 12.9-13.5
12.6
c. RANGES D.
40 scale divisions
19.8-22.0 19.0-21.0
19.0-21.0
19.0-21.0
20
d. RANGES E.
40 scale divisions
25.3-23.0
26.3-28.0
26.8-28.2
25
25.3-28.0
40 scale divisions
35.2-39.0
e. RANGES F
35.2-89.0
36.5-39.5
36
36.2-39.0
(TV-7D/U only).
51.5-67.0 61.6-67.0
51.5-57.0
50
51.5-57.0
74.0-82.0
74.0-82.0
74.0-82.0
75
74.0-82.0
116-127
116-127
116-128
112-121
117
2. Voltage Tests
Performance standard
a. LINE ADJUST
Midrange
control.
3. Operational Tests
b. SHORTS lamp.
Lights on 2 and 3
a. Gas tests.
Peformance standard
c. Plate voltage.
150 volts
155 volts ac 15.5
(1) GAS 1.
d. Screen voltage.
130 volts
180,000 ohms 18,000
(2) GAS 2.
e. Bias voltage.
40 volts
(4 volts
Performance standard
b. SHORTS lamp tests.
(F range, TV-7D/U
f. Signal voltage.
only) ).
All positions
(1) Screen to suppressor
(1) Range B.
5 volts
(pins 4 and 8).
(2) Range C.
5 volts
1, 2, 3, and 5
(2) Control grid to cathode
1 volt
(3) Range D.
(pins 6 and 6).
(4) Range E.
0.5 volt
1, 2, 4, and 6
(3) Filament to plate
(6) Range F
0.5 volt
(pins 2 and 3).
(TV-7D/U only).
(4) Filament to control grid
1, 2, and 6
(pins 2 and 5).
1, 3, 4, and 6
(5) Filament to screen
g. Filament voltage:
(pins 2 and 4).
1, 4, and 6
(6) Plate to suppressor
(pins 3 and 8).
1 and 6
(7) Control grid to suppressor
.6
0.65-0.72
0.65-0.72
0.65-0.76
0.65-0.72
(pins 5 and 8).
1.1
1.06-1.16
1.06-1.20
1.05-1.15
1.06-1.16
2, 3, and 4
(8) Screen to control grid
(pins 4 and 5).
1.5
1.26-1.42
1.25-1.40 1.28-1.42
1.26-1.42
2 and 3
(9) Plate to screen
2.0
1.90-2.10
1.90-2.25
1.90-2.10
1.90-2.10
(pins 3 and 4).
2.58-2.85
2.5
2.58-2.85
2.58-2.85
2,58-2.85
2
(lo) Filament to suppressor
(pins 2 and 8).
3.26-3.60
3.0
3.25-3.60
3.15-3.60
3.15-3.60
3
(11) Filament to cathode
4.3
4.30-4.75
4.30-4.75 4.30-4.75
4.25-4.75
(pins 2 and 6).
5.0
5.15-5.68
5.15-5.65
5.15-5.68
6.35-5.95
4
(12) Plate to control grid
6.3
6.60-7.20 6.20-6.80
6.20-6.80
6.20-6.80
(pins 3 and 5).
7.5
7.35-8,10
7.40-8.20
7.32-8.10
7.32-8.10
51
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