Table of Contents
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(3) Schematic Diagram of A2 Board
1
2
3
4
A
CN401
6P
WHT-L
:S-MICRO
CONNECTOR PANEL
R IN 1
R GND 1
G IN 1
G GND 1
B
B IN 1
B GND 1
CN402
7P
WHT-L
5BNC
:S-M ICRO
R IN 2
R GND 2
G IN 2
G GND 2
C
NC
B IN 2
5
2
1
4
3
B GND 2
10
9
6
8
7
15
14
13
12
11
HD15
D
TO D BOARD
CN511
E
CN403
8P
WHT-L
:S-MICRO
CLP
F
NC
C.BLK
GREEN
GND
INPUT SW
GND
VIDEO
TO D BOARD
CN506
G
H
CN407
7P
WHT-L
:S-MICRO
I
ASC_SW
OSD_SEL
MOSI
CLK
DAC_SEL
HFBP
VRET
TO D BOARD
CN503
J
5-24
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5
6
7
8
9
5V-2
+5V
C306
IC401
C402
C305
0.1
M52755FP-TP PRE-AMP
47
0.01
25V
25V
B:CHIP
B:CHIP
B_VCC1
B_VCC2
12V
D102
B_IN2
B_OUT
B.OSD
1PS226
G_VCC1
GND
C104
C103
47
0.01
R106
G.OSD
25V
B:CHIP
47
NC
NC
C205
:CHIP
0.01
1
B:CHIP
C203
R206
G_IN2
NC
R.OSD
2
R103
0.01 B:CHIP
47
82
:CHIP
3
R_VCC1 G_VCC2
C204
47 25V
D202
OSD_BLK
4
R203
C330
82
C303
1PS226
0.22
R486
0.01 B:CHIP
R_IN2
G_OUT
C105
25V
1k
5
0.01
B:CHIP
:CHIP
R306
D302
B:CHIP
C106
6
C304
47
H_IN1
1PS226
0.01
R342
47
:CHIP
GND
R303
B:CHIP
1M
R341
25V
82
:CHIP
22
V_IN1
R_VCC2
:CHIP
C411
C401
C425
0.1
GND
R_OUT
47
0.22
25V
C101
C102
25V
C230
25V
B:CHIP
0.01
R105
47
0.22
B:CHIP
B:CHIP
47
B_IN1
GND
25V
25V
:CHIP
B:CHIP
1
C201
R205
GND
G.SYNC
R101
R242
2
0.01 B:CHIP
47
82
1M
R241
:CHIP
:CHIP
22
3
G_IN1
VCC
:CHIP
C202
D201
R201
C403
C497
4
47
1PS226
82
47
0.1
25V
R305
NC
NC
25V
25V
5
C301
47
C130
B:CHIP
0.01 B:CHIP
:CHIP
6
GND
HS.OUT
0.22
R141
25V
22
7
R301
B:CHIP
:CHIP
82
C302
47
R_IN1
VS.OUT
C457
25V
D301
R142
0.1
1PS226
1M :CHIP
25V
H_IN2
GND
R473
B:CHIP
1k
R489
:CHIP
4.7k
V_IN2
SW
:CHIP
CONT
C410
0.01
OSD CONT
B:CHIP
R475
R488
1k
4.7k
:CHIP
:CHIP
C412
0.01
B:CHIP
+5V
C408
C407
R407
0.01
10
47k
B:CHIP
:CHIP
R405
1k
C404
3.4
:CHIP
10
R408
R410
100k
1k
:CHIP
:CHIP
Q401
2SB709A
G SYNC
R422
100 :CHIP
1
R424
2
100 :CHIP
3
R425
4
47 :CHIP
5
C429
R440
R426
10p
15k
6
100 :CHIP
CH:CHIP
:CHIP
7
C431
5V
Q404
R427
0.01
C446
L401
L303
5V-2
8
STBY+5V
DTC124EKA-T146
100 :CHIP
B:CHIP
0.1 25V B:CHIP
100µH
10µH
ASC SW
STBY+5V
IC404
C416
R435
LSC4380DW2R2 OSD
L402
47
1M
100µH
25V
:CHIP
VSSA
VSS
R438
R436
C409
1.5k
5.6k
22p
C447
:CHIP
:CHIP
CH:CHIP
R.OSD
Q405
0.1
VCO
R
2SB709A
25V
BUFF
B:CHIP
C448
G.OSD
RP
G
0.1
R439
C450
25V
1.5k
22p
B:CHIP
:CHIP
CH:CHIP
B.OSD
VDDA
B
OSD_BLK
HFLB
FBKG
R401
1k
:CHIP
SS
INT
MOSI
VFLB
M62352GP-75ED
CLK
VDD
C451
C452
47
0.01
25V
B:CHIP
C435
NC
NC
R446
0.01
100
B:CHIP
:CHIP
C436
R CUTOFF
R429
NC
NC
47p
100
CH:CHIP
G CUTOFF
:CHIP
C440
B CUTOFF
R431
NC
NC
47p
100
CH:CHIP
R.DRV
:CHIP
1
C438
G.DRV
R430
NC
NC
47p
2
100
CH:CHIP
B.DRV
:CHIP
3
BRT
C455
5V-2
R441
NC
NC
47p
4
100
CH:CHIP
:CHIP
5
C442
C443
R432
NC
NC
47p
47p
6
100
CH:CHIP
:CHIP
C466
7
C444
C445
10
R433
47p
0.001
100
CH:CHIP
:CHIP
10
11
12
13
IC403
VPS13 RGB OUT
1
2
4
3
5
6
IC402
MM1383XD
RGB DRIVE
12V
B.DRV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
+80V
R443
B.OSD
B.DRV
C340
R302
R339
910
1.7
2.6
0.01
4.7k
1k :CHIP
:CHIP
C482
B:CHIP
:CHIP
R444
R322
R222
C489
R112
0.1
G.DRV
2.2k
1k
1k
0.1
R122
82
50V
G.OSD
G.DRV
C240
R202
R239
:CHIP
12V
:CHIP
R319
:CHIP
25V
1k
R119
B:CHIP
1.9
2.6
B:CHIP
0.01
4.7k
1k :CHIP
22
R223
R212
:CHIP
22
B:CHIP
:CHIP
R332
R323
:CHIP
1k
100
:CHIP
C483
R.DRV
R123
R.OSD
R.DRV
270
1k
:CHIP
C109
0.1
C209
1k
1.9
2.6
C140
R102
R139
C312
:CHIP
:CHIP
D306
:CHIP
22p
50V
15p
0.01
4.7k
1k :CHIP
0.1
R314
1SS376
CH:CHIP
B:CHIP
25V
CH:CHIP
B:CHIP
:CHIP
BRT
270
R304
B:CHIP
OSD BLK
BRT
:CHIP
0
R204
R219
C453
R476
R477
R315
:CHIP
R312
0
22
D206
R104
D106
FB301
0
1.0
0
0.01
4.7k
1k :CHIP
270
150
:CHIP
:CHIP
1SS376
L302
1SS376
:CHIP
B:CHIP
:CHIP
:CHIP
0.22µH :F
:CHIP
C314
R327
R313
C309
B.IN
B.S/H
0.1
R316
270
22
22p
12V
2.3
4.7
L301
25V
47
:CHIP
:CHIP
CH:CHIP
C315
0.22µH
B:CHIP
:CHIP
0.22
:F
250V
R321
VCC
B.OUT
Q301
R335
100k
1.8
2SA1738
R311
390
12V
R317
R214
:CHIP
:CHIP
2.2k
:CHIP
10k
BUFF
270
R232
C212
:CHIP
:CHIP
:CHIP
270
0.1
GND
VCC
C480
R310
C324
R215
:CHIP
25V
D307
D305
C222
100
0
3900p
270
B:CHIP
R132
12V
1SS376
0.47
25V
:CHIP
B:CHIP
:CHIP
R213
270
1SS376
2.3
16V
R227
22
:CHIP
FB201
G.IN
GND
D303
3.4
L202
R216
270
:CHIP
MA111-TX
0.22µH
47
:CHIP
R114
:CHIP
2.7
270
:F
:CHIP
1.8
:CHIP
VCC
G.OUT
Q201
R115
L201
R235
C112
C215
2SA1738
270
0.22µH
390
R210
R217
0.1
0.22
R221
BUFF
:CHIP
:F
:CHIP
0
10k
25V
250V
100k
4.9
R127
GDN
G.S/H
C214
:CHIP
:CHIP
3.4
B:CHIP
:CHIP
270
R211
0.1
C224
R116
D203
:CHIP
2.2k
25V
3900p
47
2.7
MA111-TX
:CHIP
2.3
1.8
B:CHIP
B:CHIP
:CHIP
R113
D205
R.IN
R.OUT
R135
22
D207
1SS376
390
R110
R117
:CHIP
1SS376
:CHIP
0
10k
FB101
2.0
5.0
Q101
L102
C114
:CHIP
:CHIP
V REF.
R.S/H
0.22µH
0.1
2SA1738
:CHIP
:F
25V
D103
C124
BUFF
B:CHIP
MA111-TX
3900p
2.2
L101
B:CHIP
C115
CONT
BLK
0.22µH
0.22
R121
4.1
:F
R487
250V
100k
1k :CHIP
:CHIP
1.8
R111
R415
OSD CONT
CLAMP
2.2k
4.7k
4.9
:CHIP
R493
:CHIP
100 :CHIP
D107
D105
1SS376
1SS376
R409
R411
R434
1k
4.7k
R412
4.7k
:CHIP
:CHIP
1.5k
:CHIP
4.0
:CHIP
C405
10p
CH:CHIP
Q403
R330
+180V
2SB709A
100k
R334
G SYNC
:CHIP
100k :CHIP
D304
0.6
R329
R336
1SS376
1M
R337
100k :CHIP
B_CUTOFF
:CHIP
100k
Q402
128.4
:CHIP
2SC2412
129.0
R367
G SYNC
C320
R333
1M :CHIP
Q306
2.2
1k
200V
2SA10910
:CHIP
12V
BUFF
12V
Q305
R331
2SC4015TV2
5V-2
R326
R308
4
2.2k
B CUT OFF AMP
100k
120k
2
:CHIP
:CHIP
:CHIP
1
B CUTOFF
3
11
IC413
C317
R309
R325
0.01
680k
56k
IC409(1/4)
R230
TC7W04FU
B:CHIP
:CHIP
:CHIP
100k
INV
LM324M-FL63
R234
100k :CHIP
:CHIP
R233
B CUT OFF CONT
1k
R236
100k :CHIP
R229
R237
:CHIP
G_CUTOFF
C470
1M :CHIP
100k
128.4
0.01
:CHIP
129.0
B:CHIP
D204
R267
C220
1SS376
1M :CHIP
Q206
2.2
2SA1091O
200V
D410
12V
BUFF
MA111-TX
12V
Q205
R231
2SC4015TV2
R226
R208
2.2k
12V
100k
120k
6
:CHIP
G CUT OFF AMP
:CHIP
:CHIP
7
G CUTOFF
5
R413
4.7k
C217
R209
R225
:CHIP
0.01
680k
56k
R130
IC409(2/4)
R416
B:CHIP
:CHIP
:CHIP
100k
LM324M-FL63
R134
100k :CHIP
1k
:CHIP
R133
G CUT OFF CONT
:CHIP
1k
R136
100k :CHIP
D401
R129
R137
:CHIP
MA111-TX
R_CUTOFF
1M :CHIP
100k
128.4
D104
:CHIP
129.0
1SS376
R167
C414
C120
Q106
1M :CHIP
5p
2.2
CH:CHIP
2SA1091O
200V
BUFF
12V
12V
Q105
R131
R126
R108
2.2k
2SC4015TV2
100k
120k
9
:CHIP
R CUT OFF AMP
:CHIP
:CHIP
8
12V
R CUTOFF
10
R109
C127
R125
R470
680k
IC409(3/4)
0.01
56k
4.7k
:CHIP
LM324M-FL63
B:CHIP
:CHIP
:CHIP
R CUT OFF CONT
C487
R471
C486
Q408
10
6.8k
0.01
DTA124EKA-T146
:CHIP
B:CHIP
SW
IC410
R454
10k :CHIP
D/A CONV
0.2
C424
D407
15V
R451
0.1
D405
MA111-TX
Vss
GND
100
Q409
25V
MA111-TX
:CHIP
2SC2412K
A03
A02
G2
R453
SW
10k
D406
:CHIP
A04
A01
0
MA111-TX
C420
C421
A05
MOSI
47
10
R452
4.7k
D409
A06
CLK
:CHIP
MA111-TX
A07
LD
A08
MISO
OSD CONT
A09
A012
CONT
A10
A011
A2
VDD
Vcc
C467
+5V
0.01
(VIDEO AMP,RGB OUT)
B:CHIP
5-25
14
15
16
17
18
C
BLOCK
(GND)
(GND)
C415
47
100V
FOCUS2
TO D BOARD
FOCUS1
T902(FBT)
R324
R224
22
22
CN1
CN2
1/2W
1/2W
:SURGE
:SURGE
0
1
KB
KB
1
2
GND
GND
2
R124
22
3
KG
KG
3
1/2W
C419
R320
:SURGE
0.001
4
GND
GND
4
100k
500V
SK401
B
5
KR
KR
5
SG401
FV
G1
6
GND
GND
6
FGND
H1
1
3
RCV
7
HEATER +
HEATER +
7
4
H2
8
GND
GND
8
0
13
5
FC
6.2
H
GND
FB402
6
22UH
GND
11
7
R220
KR
10 9
100k
8
:CHIP
GND
KG
106.2
G2
KB
9
KB
KR
G2
G4
KG
G1
GM
106.2
8
730.0
TO D BOARD
0
7
FBT
SG201
SG101
R120
100k
:CHIP
*
V901 21SRG
R418
C417
220k
SG402
0.01
1/2W
2kV
F
(G2)
CN406
2P
WHT
:VH
1KV
1
1KV
2
N.C.
R458
TO D BOARD
2.2M
1W
CN507
:RN
C478
4700p
2kV
F
D404
1SS376
12V
R459
R456
R457
10M
2.2M
22M
1W
D408
:CHIP
:RN
:RN
MA111-TX
C479
470p :CHIP
Q410
74.6
2SC5022
R442
12V
2.2k
R464
:RN-CP
R462
IC409(4/4)
2.2k
C454
47k
LM324M-FL63
13
:CHIP
100
:CHIP
14
25V
7.6
12
R428
R466
8.7
C481
1k
10k
0.01
R463
12V
:CHIP
:RN-CP
B:CHIP
180k
8.7
:CHIP
R419
33k
Q406
:RN-CP
+180V
DTA124EKA-T146
CN405
R420
9P
C434
47k
WHT-L
C485
0.001
:RN-CP
R478
:S-MICRO
10
500V
FB406
1
250V
B
1.1UH
:FPRD
+180V
1
IC406
R461
C484
+80V
NJM7812FA
100k
PS401
FB405
0.001
2
NC
1/2W
1A
1.1UH
500V
+12V REG
B
3
+80V
R479
15V
C460
1
4
GND
12V
0.001 500V B
:FPRD
O
+12V
I
5
+15V
G
C465
C461
+15V
6
STBY+8V
C464
10
0.01
10
B:CHIP
R480
7
GND
1
:FPRD
8
-15V
5V
9
HEATER+
O
+5V
I
C463
G
TO G BOARD
C469
C468
0.01
STBY+8V
10
10
B:CHIP
CN672
C471
IC408
FB403
0.001
TA78L05S-TPE2
500V
1.1UH
+5V REG
B
B-SS3453<U/C>-A2.-05
19
20
21
A
B
V901
PICTURE
TUBE
C
HV
D
E
F
• A2 BOARD WAVEFORMS
1
6
G
3.0 Vp-p (H)
40.0 Vp-p (H)
2
7
40.0 Vp-p (H)
40.0 Vp-p (H)
3
8
H
3.0 Vp-p (H)
40.0 Vp-p (H)
4
9
I
40.0 Vp-p (H)
40.0 Vp-p (H)
5
J
3.0 Vp-p (H)
5-26
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