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Model 1317A
T
a ble 8-9. Dyna
mic Focus Measurement Conditions
DC VOLTAGE MEASUREMENT CONDITIONS
1. Disconnect all inputs from
X-, Yo,
and Z-INPUT con-
nectors.
2.
Adjustments:
Z-axis GAIN (A5R20)
.....
.
.....
...
..........
fully cw
Z-axis BAL
(A5R65) .....
Equal voltages at emitters of
A5Q3 and A5Q4
3.
Control settings:
POSN X
......
.
.........
..
..........
.
......
. Centered
POSN Y
.....
.
. . . . .
. .
.
. .
. .
.
. .
.
.
. .
. . .
. .
. .
.
.
.
.
Centered
GAIN X .
....
.
............
.
.
...
.
.
.
..
.
.
.
.
.....
fully cw
GAIN Y
..
..
..
...
........
...
...
.
.............
full
y
cw
INTENSITY
.
.........
.....
+7.0V at Test Point A5TP1
--
--,
P/
OA7
I
I
PIO
PIO
P/
O A6
-15V
A
DYNAMIC
I
FOCUS/
ASTIGMATISM
t
R6
5110
•
PIO W4
XA7
1
XA6
+Y
-
-A--<
J
~(----«
2
~-~I/V'.-+-{
5
T
I81
I
I
-=
I
I
I
I
.
XAI
I
1 ' .
/
OA1-
l
I1
PIO
i
2
+X
~
lO)
> --
1
--H:
(
4
~-~I/V'v-+-{
I
I
I
I
I
I
I
I
I
I
•
II
I
I
I
I
+
15V
_ _ -
"V'V\r--.
1
+
15V
-
-
"'Vvv-
....
R7
5110
R20
5110
R22
51 10
CR3
CCW
~
FXl
AOJ
CR4
-15VA
!
FY2
R 11
;><11--"::-'--1
1000
y
INPUT
AMPLIFIERS
01
/02
X
INPUT
AMPLIFIERS
03/04
-15VA
~
-
15VA
~
FXl
fX2
R23
R24
1000
1000
CR5
R12
511
R13
511
CRR
CR9
CR10
t
R14
47K
-
15VA
CRII
R2B
47K
CURRENT
AMPLIFIERS
05/
08
R31
432
t15VA
_ _
-
15VA
+
L
_~rr--'--
P
I O
L
.(
3
L...~--<'----------_6-
_ _
~"""--'V'VV_
-
-
15VA
P/O
XA7
R52
470
r--~~------~-------
...
-5V
C20
r·
,Uf
t--~~------~-~-~~M>--
-15V
CR
12
::8
~_~.r--
__
-
15Vf(B)
~-~--"""---t--~/VIr--""'--------
-
15VA
Cl0
IIUf
-
15VA
l
-=
R40
R41
1000
2610
t
I
I
+5V
f
I
BAL
~
+15V
~
R44
10
K
t
-15V
\
+15VA
R46
2000
C2
~
t
-
15V
+
-
15VA
R47
fOCU
S
G
A
I
~
~
g
o
~
5000
HF
r
AOJ
-=
2
+5V
1
6
_ _ ,
PIO
Pia
L
XA7
XA9
L_
--7)
8
)>--i~'- =+-«
C
;
P/
O
A7 __
--.J
C3
.
IUF
R 104
6190
Service
--in
I
I
I
I
I
I
I I
~27
. -_ _
~_~
_ _ _ _ -?
'4
)>:-:---7)
n-~410
PIO
/
~/w
HF
ADJ
1
C5
J
IUF
CR14
XA6
PIO W4
I
I
Rll0
R108
I I
PIO
1~27
+-__
"""-'Y
6
8VV'~-,\21\2I\K
~
7
>
~ 3~
. .
11
I
I
PIO
W4
CR
1~
CRI6
FOCUS
A
-11
VOLTAGE
i ).,
FOCUS
~
A
11
SUPPLY
~)
w
+5V
_ - - - - . , -...... - -
R50
470
9!---,
n
+15V
f
(B)
P/
OXA6
~/O
XA9
+15vA
----~_'V'V\r-.,....
.....
-....,.-----7
I
I>
) E)
0
)
+15V
I
P/
O A7
:
Pia
W4
1311A-S-008-01-76
PARTS ON TH IS SC HEMATIC
i
CWgR6
-
+15V
I
(
/
'
5000
I
r\
I
I
U
_
_
15v
I
A6
A7
A9
CHASSIS
CI·13. 192
1
XA6
R6
P/
OW4
CRI-16
P/
OXA 7.9
01·11.
2115
R
1·52.
LI
.1
fOCU
S
P/O
A9 .
100·110
VR3.4
OELfTEO. AGOI2.
A6R53. A6R99
8
Figure
8-17.
FOCUS Circuit
8-21
/(
8-22
blank)
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Troubleshooting
