RCA WV-38A Operating And Maintenance Instructions Manual page 19

he
ck
i.
99
25
92
36
34
77
76
94
93
92
91
79
78
11
L2
)5
31
86
87
93
94
07
- C O M M O N
Ft
1 A M P .
1 Bt
1 . 5 V
1000VOC
250VDC
50 VDC
1 0 V D C
2.5V D C
+ 1 0 A -10A
NOTES:-
1 . S 1 S W I T C H P O S I T I O N S - M A R K E D O N SIA D R A W I N G
R27
_ 1 5 K
+iv DCQ V \ A r
P O S I T I O N R A N G E
1 1000V/5000V
2 250 V
3 5 0 V ( . 2 5 V , IV, 50JJA)
4 1 0 V
5 2 . 5 V
6 500 M A
7
1 0 0 M A
8 1 0 M A ( 1 0 A )
9 1 M A
1 0 R X 1
1 1 R X100
1 2 R X 1 0 0 0 0
+ .25V/50JJA DCQ-
OUTPUT
o
AC5KV
O
DC 5KV
o
- ct
* . 1 MFD
R28
> 20 MEG
2W
O
R29
SO MEG
2W
tOOOVAC
CR3
+ / M1 \
50 jJA
CR4
H 4 -
. R22
) 6K/
CAL
2. ALL SWITCH WAFERS SHOWN AS VIEWED FROM FRONT (SHAFT END OF SWITCH)
3. S1 SHOWN IN POSITION
#
1
4. S2 SHOWN IN
W
+DC
H
POSITION
5. SWITCH CONTACTS
SHORT ARROWS INDICATE WIPER CONNECTION
LONG ARROWS INDICATE CENTER RING CONNECTION.
6. ALL RESISTORS '/2 WATT, ± 1 % UNLESS OTHERWISE NOTED.
, R15
110 < R18
117.7
K
If)
ts
id
Schematic WV-38A
NOTE: In some instruments RIO is
7.5 K, and R22, R23 and
R24 are 4 K.