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Miscellaneous Circuitry		Up
TM-11-6625-444-14-1 Voltmeter Digital AN/GSM-64B (NSN 6625-00-022-7894) (EIC: KPF) Plug-In Electronic Test Equipment PL-1370/GSM-64B Manual		Next
Table 6-3. Ratio Input (A3) Voltage Measurements

TM 11-6625-444-14-1
CHAPTER
6
GENERAL
SUPPORT
MAINTENANCE
S e c t i o n I. GENERAL
6-1. Introduction
of the voltmeter are contained in tables 6-1
through 6-6. This information was taken under
This section contains voltage and waveform
specific  conditions  referenced in tables 6-1
diagrams. It also contains part location, test
through 6-6. Voltages and waveforms applicable
point, and adjustment location diagrams.
to the logic circuitry are contained in the
6-2. Voltage and Waveform Diagrams
troubleshooting section, section III.
Applicable voltages appearing throughout most
Table 6-1. Power Supply (A1) Voltage Measurements
Power supply (A1)
I
TP1 . . . . . . .
+2.0
NOTE
TP2 . . . . . . .
+18.0
All measurements referenced to A1TP4(-).
TP3 . . . . . . .
-18.0
TP5 . . . . . . .
+5.0
I
I
Transistor (VDC)
Collector
Emitter
+199 . . . . . . . . . . . . . . . . .
Q1 . . . . . . . . . . . . . . . . . . . .
+260 . . . . . . . . . . . . . . . . .
+ 200
+18.5 . . . . . . . . . . . . . . . .
+199 . . . . . . . . . . . . . . . . .
Q2... . . . . . . . . . . . . . . . . .
+ 18.0
Q3 . . . . . . . . . . . . . . . . . . . .
+18.5 . . . . . . . . . . . . . . . .
+25 . . . . . . . . . . . . . . . . . .
+ 18.0
Q5 . . . . . . . . . . . . . . . . . . . .
+18.5 . . . . . . . . . . . . . . . .
-27 . . . . . . . . . . . . . . . . . .
-18.0
+5.7 . . . . . . . . . . . . . . . .
+8.0 . . . . . . . . . . . . . . . .
Q6. . . . . . . . . . . . . . . . . . . .
+5.0
Q7 . . . . . . . . . . . . . . . . . . . .
+0.62 . . . . . . . . . . . . . . .
0
+6.5 . . . . . . . . . . . . . . . .
+6.5 . . . . . . . . . . . . . . . .
Q8 . . . . . . . . . . . . . . . . . . . .
+8.0 . . . . . . . . . . . . . . . .
+5.7
Table 6-2. Range Delay (A2 ) Voltage Measurements
Range delay (A2)
NOTE
All measurement referenced to A8TP1(-), INPUT terminals shorted and
+0.1
TP1 . . . . . . .
controls as follows:
+0.53
TP2 . . . . . . .
MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDC; FILTER OUT
+5.0
TP3 . . . . . . .
RANGE . . . . . . . . . . . . . . . . . . . . . . . . . ..100
SAM PLE RATE . . . . . . . . . . . . . . . . . . .as desired
Transistor (VDC)
Colleclor
Emiller
Base
Q1 . . . . . . . . . . . . . . . . . . . .
+0.1 . . . . . . . . . . . . . . . . .
Q2 . . . . . . . . . . . . . . . . . . . .
+4.75 . . . . . . . . . . . . . . . .
Q3 . . . . . . . . . . . . . . . . . . . .
+5.0 . . . . . . . . . . . . . . . . .
Q5 . . . . . . . . . . . . . . . . . . . .
+5.0 . . . . . . . . . . . . . . . . .
+5. 0 (G) . . . . . . . . . . . . . .
+5.0 (A) . . . . . . . . . . . . . .
+0.3 (K)
Q6 . . . . . . . . . . . . . . . . . . . .
6-1

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