Philips PM3208 Service Manual page 72

20 mhz dual channel oscilloscope
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VERTICAL
OUTPUT
AMPLIFIER
CN301
3
3
FROM
2
2
CN201
4
1
P
Ai
oe
R351
+12V
+124
C351
104
50V
C352
10
C312
R352
50V
-12V
—12A
3p
R319
+5v
e—{10
}———
+ 5¢
R353
+160V
+ 160A
R330
10
[10]
CN1002-2
Figure
10.6 Circuit diagram
of vertical output amplifier
10-14
+160A
+1604
+160A
+5C
C331
C330
co
100n
ve
160V
i]
28C01730-L
Q309
|
P303
Y+
TO R333
Q307
CRT
UNIT
2803423 -Y
|
'
'
> | R318
'
|
Q304
P302
2SA1206-L
Q308
2SC3423-Y
Y
TO
R337
~
CRT UNIT
MAT 34 26
89041 4

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