Service manual
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
ALL SYMBOLS WITH “M” ON END OF DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT
6-25
GA SHEET 25
GA3 VIDEO PROCESSOR
1211109
G
F
E
D
C
B
A
87654321
SCL
B
FASTBLANK
G
VERTICAL-ABL
SDA
AFC
R
EXT-VIDEO
CHROMA-COMB
COMP-VIDEO
SHUTDOWN
COMP-AUD
HORZ-DRIVE
IF
AGC
VRAMP
FLYBACK
SYNC
ABL
CM
5.7
3.3
3.2
3.3
0.33
1.1
1.7
4.8
4.8
8.7
2.2
2.2
4.0
WF9
20 uS
0.9V
0.15V
0.76V
WF14
20 uS
WF13
20 uS
22 V
WF11
20 uS
2.8V
WF8
20 uS
2.6V
WF7
20 uS
3.40V
20 uS
WF6
0
0.8
1.5
0
2.8
2.8
0
0
7.8
7.8
8.8
3.7
8.8
1.8
4.5
4.6
5.1
1.6
3.2
2.8
0
5.7
7.2
1.2
0.0
1.6
2.3
0.0
1.6
2.3
1.6
2.3
6.8
8.8
3.0
2.3
8.8
3.7
3.0
5.0
6.0
5.0
1.6
3.6
4.6
4.6
4.7
0.0
0.0
4.7
6.1
4.4
8.7
2.0
2.0
0.0
4.6
3.2
3.7
0
MODULE
OUTPUT
VIDEO
TO
PROV
25V
0.01
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
N.C.
EXT-AUD
DE-EMPH
AUDIN
LIMITER
SIFGND
PIFTANK
PIFTANK
SIF/VCC
TV/DET
VCC
CIN
AFT
YIN
DC
VSW-OUT
BLK/DET
VIN
ACL
TV-IN
ABL
DGND
32FH
HAFC
H-OUT
SYNC
FLYBACK
SHUTDOWN
SDA
SCL
HVCC
VSEPFIL
VRAMP
NFB
VPULSE
BOUT
GOUT
ROUT
D-VCC
BOSD
GOSD
ROSD
FBLNK
GND
VCXO
APCFIL
LOOPFIL
PIFVCC
PIF-IN
PIF-IN
PIFGND
AGCFIL
SIF
RF-AGC
SND-OUT
N.C.
221-1165
1K
B
B
B
PROV
10K
100
25V
0.01
B
PROV
50V
0.47uF
B
10K
B
1
2
3
4
5
224-160
D
B
50V
1000pF
B
1.5K
25V
0.01
PIF
+9V
E
B
C
121-1261A
B
22
50V
1000pF
33
B
100
B
50V
1000pF
390
100
B
VSW
+15
750
50V
0.47uF
B
50V
1000PF
50V
6800pF
B
A
PIF
+9V
A
D
224-27A
3.58MHZ
50V
12PF
16V
0.022
C
50V
0.47uF
3.3K
SWF
+9V
3.9K
PROV
E
B
C
50V
22uF
470
P/L
50V
0.1
A
FASTBLANK
SHT.24
220
R
SHT.24
G
SHT.24
B
SHT.24
220
100
220
SW
+9V
10K
103-0471A
25V
0.01
D
50V
0.022
10K
SWF
+9V
D
VSW
+15
D
27K
50V
2.2uF
16V
0.022
C
12UH
20-4277-23A
C
SW
+9V
JUMPER
SHT.26
VERTICAL-ABL
SCL
SHT.24
SDA
SHT.24
IF
SHT.24
AGC
SHT.24
SHT.24
COMP-AUD
50V
4.7MF
1K
C
470uF
10V
C
0.82uH
4277-09A
0 Ohm .1 W
SIF
+9V
C
1K
224-139-01A
50V
47PF
50V
120PF
C
4.7K
C
100
1K
220
E
B
C
121-1310A
100 Ohm
150
C
220
C
50V
PROV
16V
100uF
25V
0.01
560
SW
+9V
SIF
+9V
AA
25V
0.01
PROV
C
A
SW
+9V
25V
0.01
C
C
25V
0.01
50V
1000PF
100
39K
C
100K
A
A
15K
PROV
6
4
1
2
3
50V
10uF
470K
50V
1uF
SHT.26
EXT-R
C
390
A
D
1K
D
50V
0.1uF
10K
103-461A
10uH
4277-39A
103-461A
1
2
3
20-4278B
WF
13
SHUTDOWN
SHT.26
D
50V
33pF
A
15K
5
1
2
3
4
B-OUT
G-OUT
R-OUT
10K
SW
+9V
WF
14
HORZ-DRIVE
SHT.26
100K
SW
+9V
WF
11
F
+9V
25V
0.01
50V
1uF
PROV
50V
220pF
ABL
SHT.26
SW
+9V
50V
220pF
WF
8
WF
7
180
WF
9
WF
6
SHT.26
VERT-DRIVE
SHT.26
VM-OUT-R
AFC
SHT.24
SHT.26
EXT-L
50V
33PF
E
B
C
10UH
47K
E
B
C
50V
0.1uF
CM
SHT.26
PIF
+9V
27K
25V
47uF
SW
+9V
224-23A
0
SHT.24
VM-OUT-R
FLYBACK
SHT.24
103-461A
CHROMA-COMB
SHT.26
10
SHT.26
VERT-SIZE
SHT.26
VM-OUT-L
820
FLYBACK
SHT.26
+9V
VRAMP
SHT.24
100k
F
+9V
SWF
+9V
F
+9V
P/L
820
COMP-VIDEO
SHT.24
E
B
C
SWF
+9V
503KHZ
224-178
P/L
2.2K
SWF
+9V
P/L
B
820
50V 1uF
820
470
D
50V
0.1
E
B
C
E
B
C
50V
1000pF
390
SHT.26
HORZ-SIZE
1K
SHT.24
EXT-L
10K
F
+9V
B
50V
0.1
2
3
4
5
1
50V
1MF
SHT.24
VM-OUT-L
SHT.24
EXT-R
SHT.26
EXT-VIDEO
SIF
+9V
0.1
50V
0 Ohm .1W
50V
0.1
E
B
C
121-1310A
150
C
SHT.26
PWR-CTL
39K
+9V
SIF
SHT.24
PWR-CTL
SHT.26
CRT-PROTECTOR
SHT.26
AUXSWITCH1
10K
Y/C-SENSE
SHT.24
150
SYNC
SHT.24
SHT.24
AUXSWITCH1
F
+9V
1000uF
16V
100
SHT.24
HORZ-SIZE
E
B
C
50V
120pF
VERT-DRIVE
SHT.24
50V
470PF
47
16V
220uF
10K
4.7K
100
100
10K
1/2W
50V
0.1uF
SHT.24
CRT-PROTECTOR
SHT.24
VERT-SIZE
PROV
+9
120uH
JUMPER
25V
0.01uF
16V
100uF
10K
VSW
+15
1/2W
1.2K
50V
10uF
50V
4.7uF
SHT8
Y/C-SENSE
Block Diagram #13
Sheet 28
L2203
C1223M
ICX2200
R2259M
C2241M
R1222M
R1224M
C1225M
R1231M
C1229
R1233M
U1201
C1224M
R1228
C1226M
Q1205
R1226M
C1228M
R1230M
R1225M
C1227M
R1227M
R1229M
R1232M
C1232
C1231M
C1234M
CR2200
C2202M
C1236M
C1235
R1210M
R2257M
C2240M
121-1311A
Q2209
C2271
R2276
R2273
C2270
R2213M
R2214M
R2219
R2215M
R2272
D2215
C2207M
C2272
R1209M
TP1203
TP1202
R2218M
C2211
C2209M
L1203
L1204
C1211
R2279M
C1233
TP1200
L1206
R2282M
R1211M
U1200
C1212M
C1213M
R1212M
R1223M
R1213M
R1214M
Q1204
R1216M
R1217M
R1218M
C1214M
C1217
C1216M
R2238
C1219M
C2295M
TP1201
C1215M
C1218M
C1221M
R2212M
R1234M
R2221M
R2290
C2293M
L1200
20-4506
C2216
R2224M
C2226
R2229M
R2226M
C2218
R2234M
D2202
L1201
D2203
L1205
C2221M
R2235M
58-526-05
2C5
R2292M
R1235M
C2220M
C2219
C2291M
C2294M
C2225M
R2266
C1206M
121-1311A
Q2210
20-3907-12A
L1202
R2291M
121-1311A
Q2202
C2217
R2271M
C2261
U1202
D2206
R2202
R1219M
R1220
R2285M
R2262M
121-1311A
Q2205
CR2205
R2284M
R2230M
R2283M
R2261M
C2227
R2260M
R2231
C2203
121-1311A
Q2204
121-01310A
Q2206
C2237M
R2228M
R2225M
R1221M
C2204
223-45
DL2200
C2215
C1222
R2227M
C2205
Q1203
R2242M
R2243M
R2270M
R2241M
C2290
R2240M
121-1311A
Q2203
C2210M
C2257M
R2223M
C1220
R2222M
R2233
R2274
R2220
RX2278
C2212
L2205
20-3907-25A
L1208
W0115
C2299M
C2208
R2275M
R2277
C2260
C2245
VerticalHorizontal Red Drive Green Drive Blue Drive
R B
G
ABL
Composite Audio
R
B
G
M ODULE
009-01996 009-01997 009-01997-01 009-01998 009-02041
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