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QQ
RR SS
0
1
2
3
4
5
6
7
QQ RR SS
TT UU VV WW
WW
VVUUTT
YYXX
ZZ
0
1
2
3
YYXX ZZ
4
5
6
7
4
Hs
+16V
+127fV
+12V
+120V Source
12
+12V
DAG GND
5
.1uF
Red Video Amplifier
GND
560
Jumper
GND
+12V
Green Video Amplifier
560
3
15
816
837
2SC
3467
K3
7
PN2907A
17
1.49K
40.2K
606
NE592
140
1370
18
1000pF
FDH400
2SA
1370
110
8
5
SOT
5.62K
+12V
16
PN2907A
2SA
1.50K
301
18
3
210
12.1K
15
K14
K15
K16
K17
K19
9
K11
K1
K7
K2
17
1.49K
40.2K
606Ω
140
1370
.015uF
1000pF
1
3
10
7
SOT
19
+12V
20
16
PN2907A
2SA
301
18
210
12.1K
K14
K15
K16
K17
K18
K19
K2
K9
BIAS
832
833
838
840
827
828
FDH
400
835
824
GREEN
10
2.2K
180
.015uF
15Ω
3.32K
19
20
K18
K5 K12
901
834
810
6
11
K4
300
3
K3
812
8
9
10
33
K20
K9
Ω
Ω
180
Ω
Ω
18
Ω
Ω
Ω
Ω
Ω
1.2K
3
12
14
K8
Ω
Ω
Ω
Ω
MMBT
3904
MMBT
3904
811
803
7
.5W
K34
K34
K32
K33
1.2K
NE592
.1uF
FDH400
2SA
1370
15
2SC
3467
12
14
8
5
3.32K
5.62K
GND
1.50K
K8
K11
K12
K1
K7
GND
+12V
17
1.49K
B14
1.2K
40.2K
606
NE592
.1uF
140
1370
18
1000pF
FDH400
2SA
1370
1
3
12
14
10
7
8
5
SOT
Blue Video Amplifier
5.62K
+12V
GND
16
PN2907A
2SA
560
301
18
3
210
12.1K
15
K14
K15
K16
K17
K19
K8
K11
1.50K
K1
K7
+12V
BIAS CONTROL LINE
BIAS CONTROL LINE
843
825
805
841
842
K4
6
7
11
816
950
951
934
956
958
954
BLUE
300
.5W
3
K3
822
8
PN2907A
4
9
K20
2.2K
K5
Jumper
2.2K
180
205
.015uF
15
2SC
3467
3.32K
19
20
3
K18
K5 K12
K3
885
953
943
6
7
11
K4
300
.5W
K3
945
8
PN2907A
4
9
10
K20
33
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
K2
Ω
205
Ω
Ω
Ω
33Ω
1
K34
MMBT
3904
937
Ω
Jumper
K32
K33
K33
K32
1N40071N4007 1N4007
C7
2.74K
10
1.8K
1.8K
.1uF
75
Dark screen
80-110VDC
250V
9.3V
14
13
K13
CONTROL LINE
.1uF
75
Dark screen
80-110VDC
250V
9.3V
14
13
K13
903
823
7
831
836
913
7
905 906
900
851
RED
GREEN
BLUE
883
Ω
150
875
1/2W cc
Ω
Ω
200
68.1K
68.1K
68.1K
.047uF
.047uF
.047uF
.1uF
.1uF
.1uF
C1
C16
C2
C13
C3
C8
.1uF
.1-
.5V
1.2-
2.5V
5.7-
6.3V
1.2-
2.5V
1.2-
2.5V
5.7-
6.3V
5.7-
6.3V
7
5
4
1
GND
7
4K
4K
4K
LM324
1/4
C14
C11
LM324
1/4
C10
15
5
6
3
2
1
12
13
14
13
12
17
16
19
20
5K
5K
5K
.1uF
1.8K
3.92K
MPS A64
D
GND
1.8K
1.8K
1.8K
1.8K
.1uF
Dark screen
80-110VDC
250V
9.3V
14
13
K13
C4
1.82K
11
+9.3V
PN2907A
948
955
940
942
938
930
887
7
957
830
844
2,200pF
815
2,200pF
818
2,200pF
14
941
920
907
921
C PRA-B
917
922
923
924
925
926
928
200
200
8
22K
891
C15
C12
C9
Ω
Ω
Ω
18
LM324
1/4
75Ω
5
EHT
8
6
11
97
1
Socket Board
PCB
Degaussing
Coil
From Main PCB
970
800
971
G1 G2 Focus
10
SOCKET
877
+4.0V
GND
2SC3675
62K
2.2nF
2.2K
FIL.
100K
FIL.
+12V
Auto Bias Vs
ABA
850
852
TC 10
TC 6
TC 8
TC 1
TC 4
GND
TC 2
TC 11
856878
EHT
SCREEN
1/2W
1/2W
1K
1/2W
855
881
150Ω
1/2W
880
961
Green
Wire
ASS.
863
CABLE
858
11
13
9
10
8
12
14
15
7
6
5
4
16
17
18
19
1
2
3
20
21
22
10uF
10uF
10uF
33K
15.8K
1/4
LM324
10
9
8
2.1-
6.3V
2.1-
6.3V
2.1-
6.3V
4.6-5.2VDC
33K
Auto Bright
CERONIX
Scale:
Drawn By:
DATE & REV.
NONE
VIDEO BOARD CIRCUIT
895
894
892
908
910
911
920
914
GND Vcc
GND
CA3224E
AUTO BIAS IC
comp.
input
hold
cap.
comp.
hold
cap.
comp.
hold
cap.
sw
sw in grid pls. pos.
sw
sw
normal
6V REF.
Start
COUNTER
FF
CL
Q
EN
21 H. LINE
COUNTER
CL
DECODER
5V REF
BIAS
AUTO
BIAS
ACTIVE
PROGRAM
PULSE
GRID
PULSE
sw control
Green input Green
927
Blue
Blue
Red input Red
4
11
Circuit
F. H.
1.8K
1.8K
931
933
870
872
10K 1/2W
GRID PULSE
873
Vs-23 to -27Vdc
12Vp-p 95uS
Vs
9 to 10Vdc
9.6Vp-p 95uS
Vs7.8 to 8.8Vdc
8.4Vp-p 95uS
Vs2.2 to 2.7Vdc
4.2Vp-p 360uS
912
5912
1295
.1uF
817
874
1.8K
681Ω
K6
RED
TC7
1
100Ω
K21
1N4148
K35
1N4148
K36
681Ω
K6
TC5
1
100Ω
K21
1N4148
K35
1N4148
K36
681Ω
K6
TC3
1
100Ω
K21
1N4148
K35
1N4148
K36
K6
150Ω
1/2W
882
1N4937
847
857
TC 12
Fil. GND
330pF
871
.1uF
816
2.7K
884
21K
K22
3pF
820Ω
K10
21K
K22
3pF
820Ω
K10
21K
K22
3pF
820Ω
K10
FDH
400
845
FDH
400
886
876
100K
FDH400
1N4148
888
4/16/96-E1
0VDC
56V
31uS
Hs
0Ω
869
.1uF
801
30Ω
859
DAG GND
868
GND
1N4007
848
1uF
846
50V
FIL.
33K
Vs
1K
890
+
+
+
909
3.3K
FDH
400
899
FDH
400
849
FDH
400
959
2.2nF
889
TC 9
205
Ω
1K
866
62K
912
BEAM OFF ON POWER DOWN.
10/3/96-E4
C17
900Ω
C
For
XX92
A
A
A
K9
18Ω
879
CC2
CC1
CC3
Pin By Fuse
Pin By FBT
! UNPLUG !
DEGAUSSING
COIL BEFORE
WORKING ON
CHASSIS.
13350 New Airport Road
Auburn, California 95602
2/2/98-E5
5
9
853854
-30V
Adjust FBT bottom pot
for 4.0V to 4.4 at pin 8.
+16V
+127V
+126fV
+16V
+120V
120V
126V
16V
126V
120V
16V
126V
120V
16V
2
Red #1 FOCUS
White #2 FOCUS
03/06/02-E7
+126V
860
40 40