Publicité
VIDEO AMPLIFIER BOARD - PLATINE AMPLIFICATEURS VIDEO - VIDEOVERSTÄRKERPLATTE - PIASTRA AMPLIFICATORE VIDEO - PLATINA AMPLIFICADOR VIDEO
CRT GREEN
U_VIDEO_PROT
RED
BLUE
U_SYS
BB104 =>BB204
BB203=>BB303 (BLUE CRT)
(RED CRT)
1
240
1
U_VIDEO_PROT
U_VIDEO_PROT
2
137
2
U_SYS
U_SYS
3
3
HEATER_LOW
4
4
HEATER_HIGH
5
5
PROT_3
PROT_1
6
6
CHAS-GND
CHAS-GND
7
7
HEATER_LOW
8
8
HEATER_LOW
HEATER_LOW
9
9
HEATER_HIGH
HEATER_HIGH
10
10
HEATER_HIGH
+20V
HEATER_HIGH
11
11
12
12
+20V
+20V
13
13
+20V
+20V
14
14
SVM
SVM
JB224
15
15
R-GND
B_GND
16
16
I_CUT
I_CUT
JB225
17
17
R-GND
B_GND
18
18
RED
BLUE
19
19
R-GND
B_GND
20
20
PROT_2
PROT_2
MASTER
SLAVE
RB202
475R0
BV300=>BB201
(SSB)
1
CB201
2
I_CUT
10P0
3
G-GND
4
GREEN
5
G-GND
6
7
R-GND
8
RED
VIDEO G
9
R-GND
10
R-GND
32us
11
SVM
12
B-GND
13
B-GND
14
BLUE
15
B-GND
3Vpp-H
16
PROT_1
SAFETY_PTV_CRT
SLAVE
DB210
+20V
SSB
BZX55C6V8
V-GND
RG235
33R0
JB223
RB297
10R0
JB227
JB228
0
0
V-GND
R-GND
V-GND
B-GND
ITC222 - PTV
First issue 02 / 04
IB202
!
MC7812CT
RB225
+12V
10R0
IN
OUT
CB226
CB225
CB228
CB227
1MI0
100N0
220U0
100N0
+20V
V-GND
V-GND
V-GND
V-GND
V-GND
U_VIDEO_PROT
IB201
+12V
TDA6120Q
IIN
11
!
n.c.
9
V-GND
V-GND
n.c.
+12V
RB222
10R0
11.6
6
VCC
CB222
CB221
MIRROR
22N0
47U0
1x
in
out
CB202
RB204
RB220
10K0
1K5
22P0
V-GND
V-GND
2
5.8
5.4
RB221
5.8
33R0
4.8
7.7
TB212
RC- RC+
TB220
BC856B
BC856B
1
3
0
3.1 3.8
5.1
RB233
RB237
RB223
V-GND
68K1
100R0
1K82
RB201
RB231
CB234
10R0
100R0
18P0
V-GND
RB239
+12V
68K1
RB232
RB234
330R0
RB227
24K9
DB230
4K7
CB232
JB236
BZX55B10
RB230
100N0
6K49
V-GND
6
6
RB215
RB215
47K0
TB237
5.4
TB235
5.5
47K0
10.9
BC856B
BC856B
4.9
4.9
TB236
0
BC857C
TB239
RB238
RB236
CB239
RB235
RB228
BC846B
5K6
100R0
100K0
10K0
22U0
V-GND
V-GND
V-GND
V-GND
RG226
RG227
U_SYS
3K3
3K3
RG230
22R0
!
+12V
CG204
CG201
CG202
RG205
100N0
100U0
22N0
1K82
19.4
18.7
V-GND
RG238
V-GND
750R0
CG206
RG209
10N0
18K0
DG205
TG235
CG254
RG204
V-GND
BC856B
27P0
1K0
CG214
RG241
CG241
2P2
680R0
47U0
1.8
CG211
V-GND
10P0
1.2
RG206
CG203
V-GND
680R0
100N0
BSVM-DRIVER
V-GND
V-GND
#
BB210
CB269
CRT G 222AP000 00 LTG US
10798220
100P0
CRT G 222AP001 00 BARACUDA US
10798220
100P0
10857010
CRT G 222IP002 00 VENUS
Wire
10798220
CRT G 222EP000 00 LTG EU
Wire
CRT G 222EP001 00 BARACUDA EU
10798220
Wire
79
+12V
LB223
GREEN
68U0
RB290
CB223
CB224
100K0
1
4U7
10N0
BB290
V-GND
V-GND
RB250 39K0
1.6
10
240
5
VDD
CASCODE
MIRROR
RB260
4x
RB267
OUTC
in
out
4K7
1K5
89
12
1x
13
DB261
88
1x
0.7pF
BZX55B10
OUT
V-GND
OUTM
RB265
out 4x
out 1x
in
12.2
7
5.8
CURRENT
330R0
J
TB260
INPUT
+
CASCODE
BC856B
14.7
5mA
1.2
VIN+
GND
!
4
8
V-GND
RB274
DB260
RB244
3K3
1N4148
470R0
RB241
1K5
V-GND
+12V
+20V
RB261
RB242
CB241
CB242
CB244
100K0
47U0
100N0
715R0
150P0
RB263
RB247
V-GND
820R0
10K0
V-GND
+12V
5.2
+12V
V-GND
RB279
6.2
TB261
RB246
BC856B
BLANKING
3K65
RB245
39K0
470R0
1
LEVEL
4.6
DETECTION
10.5
CB216
CB265
39P0
1U0
13.5
RB278
DB216
RB216
3K9
1N4148
4K7
V-GND
RG219
CG210
1K0
20.6
22U0
RG208
TG202
220R0
CG205
CG213
CG207
V-GND
BC337-40
11.4
100N0
100N0
22N0
LG214
10.8
TG205
BC556B
RG221
RG211
RG214
RG212
68K0
47R0
100R0
RG202
3K3
CG212
DG202
RG232
DG201
1N4148
22N0
1N4148
68K0
DG206
RG210
11.4
10.8
CG209
RG213
TG201
22N0
TG204
3R3
BC546B
BC327-40
V-GND
RG203
220R0
BSVM OUTPUT STAGE
V-GND
V-GND
Safety Part
RB200
!
When repairing, use original part only
Piece de securite
RW 270MI0
N'utilisez que les pieces d'origine
Sicherheitsbauteil
RW 270MI0
Bei Ersatz nur Originalteil verwenden
RW 470MI0
Wire
Wire
only inserted for Toshiba Tubes
VIDEO G
GNDA
32us
120Vpp-H
DB251
BAV21
11
DB252
LB252
!
BAV21
3U3
RB253
RB254
BB210
LB253
330R0
330R0
8
89
CATHODE
CB252
GNDA
3P3
HEATER_HIGH
1
DB253
GND-FRAME
2
12
BAV21
GND-AQUADAG
3
DB254
4
G2
BAV21
BB151=>BB251
RB269
(CRT RED)
1K5
DB265
CB269
RB258
V-GND
#
47R0
BAV21
U_VIDEO_PROT
CB262
RB273
10U0
56K0
RB264
DB266
RB266
SPOT
100K0
BZX85C100
1M2
KILLER
V-GND
DB280
1N4007GP
CB266
CB261
RB262
2N2
15K0
10U0
V-GND
DB270
CB268
BZX55A5V1
100N0
5.2
TB262
228
BC856B
V-GND
5.1
0
TB266
DB269
BF420
1N4007GP
RB268
RB270
RB280
CB260
100K0
4K7
22K0
150P0
V-GND
V-GND
V-GND
CG248
47P0
LG201
RG242
RG229
390R0
1K0
74
73
TG260
CB299
470U0
2SA1708
DB292
37
RGP10G
RB291
RB299
4R7
4R7
37
U_VIDEO_PROT
0.5
240.6
TG270
RB292
1K0
9.6
2SC4488
TB292
SAFETY CIRCUIT
RG223
BC846B
1K0
5.9
3.8
RB294
TB293
V-GND
V-GND
1K0
BC846B
0.6
DB293
RB295
RB296
CB291
BAV21
18K0
8K2
1U0
V-GND
V-GND
CRT G 222 AP000 00
CRT G 222 AP001 00
CRT
CRT G 222 IP002 00
CRT G 222 EP000 00
CRT G 222 EP001 00
80
BB258
to EHT
#
splitter
+30 KV
4
5 6 7
ANODE
HEATER
#
JB258
G1
G2
G3
AQU
9
10
1
0.9
233
FOK
RB271
1K5
CB271
1N0
GNDA
DB267
1N4007GP
CB267
470P0
DB268
1N4007GP
V-GND
BG203=>BSVM
1
2
1
2
MASTER
3
4
137V
DB291
BB202<=BL200(PSB)
RGP10G
9
UVIDEO
241
8
U_SYS
U_SYS
7
TB291
137
BF421
HEATER_LOW
6
HEATER_LOW
HEATER_HIGH
5
HEATER_HIGH
4
RB293
CHAS-GND
3
330K0
CHAS-GND
CHAS
2
CHAS-GND
-GND
1
+20V
+20V
CB290
MASTER
PS
1MI0
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