GENERAL RADIO COMPANY 1608-A Operating Instructions Manual page 44

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415FR- 412FR
404FR-405FR
BL
51
~R-416FR
302F
52,312R
~FR-417FR
52,309R
418FR
...
4 0lFR -408FR
"¥"
...
4 02FR-407FR
..
4 03FR-406FR
..
413FR
51
406FR-403FR
414FR
1I00nU
RI3
407FR - 402FR
51
IljlU
RII
408FR-401FR
1I0jlU
RI5
409FR
ll00jlU
RI4
410FR-417FR
IImU
R9
411FR -416FR
1I0mU
R8
412FR -415FR
1I00mU
R7
30lR
302R
308R 305R
307R 311R 309R
203FR-206FR
209FR
51
202FR-207FR
201FR-208FR
401ft
53
403R
WH
RD
BL
BK
512R
52
50lR
306R
52
303R
YE
20IFR-20BFR
--e
202FR-207FR
.....
206FR-203FR
....
213FR
214FR
210FR - 211 FR .---+..-4t-20_4_F_R_-_2_0_5...,FR
~~~=:~:~~~
51
VT
218FR
5~204FR
52,207FR
WH-OR-VT
BR
J3
WH-YE-BK
CAPACITOR
C2
DECADE
.:::t.
AT*53
S4,S5
v
R3
C5 TO CI2
AT" 52
J4
310F
52
30lF
~
OIR
52 308FR
305FR
BK
412F
53
402F
WH
BL
BR
BK
504R
52
505R
GY
511F
52
512F
204F
53
211F
WH
YE
BR
.---
W:.;.:,,;.H
-<lQ
JI
Figure 5-9. Simplified schematic diagram
showing bridge in various positions of
FULL SCALE RANGE switch (Gp
bridge).
51
516R
504R
52
504F
503F
51.
511R
·504R
S2 (BRICGE SELECTOR): G p
S3 (GENERATOR SELECTOR):INT DC
51
502R,507R
513R
R401
R403
R400
JI5C
0401
CW
DOTTED CONNECTIONS TO R401
8
R400 ARE MADE
ONLY WHEN S3 SWITCH IS HALF WAY
BETWEEN
OFF AND INT DC
51
512F
WH
53
YE
L-----+--«Qjl::::::1l:)-"T"w;:;----:~~=--...,
OR
JI3A
JI4B
I WH
311F 312F
I
~~
L
_
508F
514F
WH-YE-RD
WH-GY-BL
WH
OR
GY
WH
YE
BL
52
508R
509F
52
505F
WH-VT-BL
350. AT.15
50lF
51
WH-OR-GN
503F
35. ATltl9
WH-VT-BK 507F
508F
3.5. AT*24
WH-VT-RD
Ov
AT .18
39

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