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HP 214B - Page 123

HP 214B
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FRAMEl
I
I
W2
~
I
TRIG.
..
PIa
A2
TIMING
BOARD
100214-66559)
EXT.
INPUT
CIRCUITS
I FRAME
--
I
I
FOR TROUBLESHOOTING REMOVE WIRE 927 I L
FROM
POWER
SUPPLY BOARD
AND
SWITCH I I
OUTPUT
POLARITY
TO
NEG L
t5V
Cl
6.8p
Rl
4.3K
-5.2V
tI5V~~--------------~----.
Qla
R4
3.83K
R6
51.1
C7
r~
+9.7
V
:;:
+5V
R7
51.1
alb
R271
lK
---l
Rl5
I
10K.
I
TRIGGER
I
LEVEL
I
PANEL
I
FRONT
I
___
--1
-15V--~----------~----~--~~
____________________
~
__________
~
IMAN
5
0
NEG
POS
N
t15V
8
--l
...
N
0>
I
,
'INORMI
t5V
~
3
Sla
L 5
0
6
-5V
I
EXT.
TRIGGER
I
~:_~~
__
: :
0:
t15V
+5V
t5V
+5V
IGATEI
,~2
~5
t5V
VRI
9.09V
+ 9.5V
17
018
Sib
Q24
15
R90
487
+9.5V
t9.5V
022
+15V
060
TIMING E
+1
TP2
010
PIO
TIMING
Scans by Artekmedia => 2009

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