HP 214B - Page 121

A2 TIMING BOARD
100214 - 665591
FOR TROUBLESHOOTING REMOVE WIRE 927
FROM POWER SUPPLY BOARD AND SWITCH
OUTPUT POLARITY TO NEG
C79
470nF I
A1 OUTPUT BOARD 100214-665511
RATE ADJ .
• 10
+ 15V-.-----'j
--.lZi8nF
.l.lc20
470nF
-15V· .... ------"j
U9
R109
C25
1°'
C27
0.1
+5 V to -9 V
R118
147K
- -1. >--+-----+15V
1
+9.5V
o--ft7 3
• I 1
).--.-':""'-+-+5V
>---+----MECL
>- ...... =,--- -5.2V
>-"""-~=-----15V
... 15V
OS3~
c::§] ':f
R10S
169
6
rexTl
~
C30
1°"
RATE
033
RATE
15V
R12' R125
365 365
L2
0.68
TP3
+15V
R144
237
t1SV
1-.-.mr.1 ~ 1,,..-10)101 ~ 1~-' ... II1ms -,0 ... 1
DELAY
+15V
I
I
I
I FRAME __ -----9------'
DELAY
Scans by Artekmedia => 2009