CENTER DOT
VERTICAL VECTOR
1
Q239
Q-0188
R241
6.81K
<27>
E2
/CENTER_DOT_CLAMP
J885-45
<25>
<30>
VECT_V_POS
-12V
R240
47.5K
POSITION CLAMP
A4
C1
CR236
D-0141
CR237
D-0141
C238
.01UF
C137
.1UF
R238
8.25K
R235
10.0K
R237
604.0
R141
22.1K
GS
D
Q135
Q-1025
C136
.1UF
3
2
6
57
4
U138
3080E
+12V
+12V
R134
3.32K
C116
22UF
C120
110PF
+12V
R114
100.0
R117
1.24K
R118
5.62K
R123
1.00K
LOWPASS FILTER
R–Y
Q122
Q-0190
+12V
+12V
R121
100.0
<30>
A1
5
TP223
DEMOD_R-Y
Q223
Q-0190
C118
132PF
C225
65PF
C221
190PF
R224
100.0
R223
1.00K
R122
1.00K
R222
2.00K
R124
1.00K
VERT R-Y
GAIN
R227
500
+12V
R125
100.0
R226
681.0
<26>
D5
2
1
5 2
3
1
4
6
1
2
8
10
4
U128
1496P
QUADSC2
QUADSC1
R131
100.0
R132
100.0
R229
475.0
D
C645
.01UF
Q645
Q-1059
C140
.1UF
-12V
E2
CHROMA CLAMP
Q847
Q-0221
+5V
+5V
+12V
R849
2.21K
R848
4.75K
R744
10.0K
R645
47.5K
<27>
VERT_CLAMP_FB
/CHROMA_CLAMP
Q135
Q342
<27>
G2
Q645
Q743
Q-0223
VECT_DISPLAY_SIG
-12V
-12V
R845
33.2K
R846
2.21K
R844
47.5K
3
GS
D
Q742
Q-1059
C744
.1UF
R646
100.0
C443
.1UF
CR443
D-0141
R443
499.0
R230
1.00K
R441
6.81K
R442
8.25K
DEMODULATOR
VERTICAL R–Y
C126
.1UF
-12V
6
<30>
A3
TP841
LOWPASS FILTER
B–Y
Q841
Q-0190
C742
132PF
C843
65PF
Q739
Q-0190
+12V
+12V
R743
1.00K
R842
100.0
R843
1.00K
R742
1.00K
R741
100.0
C738
110PF
+12V
+12V
R640
100.0
R440
100.0
R639
5.62K
R637
1.00K
R638
1.24K
C641
22UF
CR444
D-0141
-12V
R545
100.0
R543
475.0
R539
1.00K
QUAD
<27>
A1
GS
C852
.01UF
AFSC1
AFSC2
R852
619.0
R853
1.00K
DGS
J885-19
A2
<25>
Q742
IFSC1
-12V
R847
10.0K
<25>
J885-20
4<25>
A2
A4
IFSC2
R340
22.1K
PHASE
C849
.01UF
C851
*SEL
C850
2-18PF
R851
619.0
R850
1.00K
1
5 2
3
1
4
C848
*SEL
6
1
2
8
10
4
U541
1496P
R544
100.0
GAIN
HORIZ B-Y
R643
500
R542
681.0
C839
190PF
R841
2.00K
TP355
DEMOD_B-Y
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
IN REAR OF MANUAL
DEMODULATOR
HORIZONTAL B–Y
C538
.1UF
-12V
G
D
S
Q342
Q-1025
3
2
6
57
4
U337
3080E
C339
.1UF
C341
.1UF
+12V
+12V
-12V
R439
3.32K
CENTER DOT
C3
HORIZONTAL VECTOR
CR437
D-0141
CR436
D-0141
C438
.01UF
C336
.1UF
R436
10.0K
R437
604.0
R438
8.25K
<30>
J885-46
HORIZ_CLAMP_FB
VECT_H_POS
1780R–SERIES
POSITION CLAMP
PART OF A6 VECTORSCOPE BOARD
DEMODULATORS <28>