Barco GRAPHICS 1209S Service Manual page 330

Projection system
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G2+DIAGNOSTIC
F 1 7 6
+ 3 00 V
+ 1 7 M
IC 1 7 9
E X .
B L O C K IN G
C O N T R O L
Z E R O
C R O S S IN G
P rim a ry
Block diagram
+ 15V
IC 2 1 7
S U PP LY
Q 101
S U P P LY
G N D
6
5
I-SIM U L
4
C 117
3
2
1
R E F .
1
O n H o rizo n ta l D e fle c tio n
m o d u le
L h ig h fre q
H lo w fre q
+ 3 0 V
+ 30 V
V ref
+ C o n v'
Z 1 9 7
5 V 6
O v e rvo lta g e p ro te c tio n
P 3
P 1
P 6
-
393
+
P 7
+ 30 V
6
1
5
2
4
+ C o n v'
Q 2 0 3
+
1
393
-
+ 30 V
le v e l d e te c to r
Q 2 2 7
+
7
393
-
R762120
F 1 90
F 1 91
F 1 92
S e co n d ary
+ 3 0V
Q 2 0 8
H TH D
7 6 2 1 2 0 _ A .d rw
Date: 10/02/98
+ F oc us
+ C o n v'
+ C o n v
-C o n v
R762120

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