TITLE:
SCHEMATIC DIAGRAM
BOM NO: 4S30
SYSTEM:
P/N:
REV DATE :
9 AUG 1999
MAIN BOARD
VT
B0
B1
1
2
3
4
5
6
7
8
9
IC003
LA7910
SEARCH
HEAT
R058
D018
680
4148
AFT
MUTE
5V
SEARCH
B0
B1
R007
R009
100K
R045
10K
AV P+
ASM
100K
Q003
C1815
R057
5.1K
100K
VD001
R015
820
R011
22K
R056
5.1K
AFT
S5V
RGB IN
R012
5.1K
R013
5.1K
R014
5.1K
ON/OFF
IRIN
5V
D\K
B\G
I
M/N
5V
R001
C002
47u
R050
330
C019
4.7u
TUNER
D017
4148
C001
4.7u
R005
10k
R006
10k
P_ V_
SEL
10K
R059
R055
5.1K
BU BT BH AGC BL AFT BM IF
C102
0.1u
1u
C103
1u
C104
47u
1
2
MUTE
3
R059
47K
4
SEARCH
5
6
B0
7
B1
8
AFT
9
R008
120K
RGB IN
10
KEY
11
KEY
V+
KEY ROW
13 30
KEY ROW
14
STORE
KEY ROW
15
16
D/K
17 26
18
B/G
I
19
N/M
20
21
R053
68K
R052
5.1K
C004
Q001
2SC1815
Q004
R060
10K
IC003
C101
0.01U
R070
10K
R054
5.1K
C106
1u
C105
1u
R106
33k
TRF1019
IC001
ST63T87
L101
VCC
SCL
SDA
AV IN
POWER
IRIN
RESET
GND
OSC
OSC
V.SYNC
H.SYNC
VT
8M
8M
R504
R503
510
VD501
IS1555
VP
R302
8.2M
R325
22K
R311
22K/0.5W
D302
1835
C501
33P
R506
4.7K
R507
510
C502
33P
R510
4.7K
R511
510
C503
33P
R514
4.7K
VD502
1N4001
BC
V OUT
R323
10K
C312
1u/160V
C313
0.01u/1600V
R508
R512
GND
R329
1.8K
R502
Q501
1015
R501
10K
FLYV
IN4002
R319
C306
470u/35V
R313
1
R316
1
4.7/2w
R305
1
1
C314
2200P/1600V
VCC1
D301
1.5K
C303
470u
D304
1835
47K
SCL
SDA
CVBS
GND
5V
OSD FB
OSD R
OSD G
OSD B
C405
470u
C404
0.1u
R403
4.7
Ro
Go
R203
R204
470
470
OSD
FB
C233
0.01u C234
R227
330
270
OSD FB
UPC574
Q609
1815
D610
8.2V
R626
27/1W
IC401
TDA1905
5 4 2
MUTE
V.AMP
R212
4.7K
R210
22K
C208
3300P
IC201
C228
0.1u
R221
300K
L605
90uH
C616
47u/160V
1
C402
47u
3
6
C403
2.2u
7
C410
470u
+18V
9V
R209
10K
C206
1u
R208
220K
VD201
C207
4148
0.1u
G201
500K
OSD B OSDG OSD R
C231
0.01u
R222
18K
C239
0.1u
R225
270
OSD B
OSD G
R625
15K IC004
C321
R624
47u/160V
27/1W
C617
1000u
BC
C406
4.7u
R205
10K
C232
0.01u
2
1
R623
1k
C620
4.7u
R402
1.5K
R406
220
CT
270
R226
OSD R
3.9K
SOUND OUT
R238
1k
C226
SCL
R408
10K
1u
56P
R081
100
R283
10K
C401
0.1u
C409
1000P
H.SYNC
C212
1000P
C216
C227
0.1u
C615
4700P
BCK-60-8N
8
9
10
11
12
13
14
15
16
C411
47u
R407
V.SYNC
STV2116
C240
4n7
R282
100K
9V
D607
RG2
T603
C619
D608 1835
1K
VOL SW1
680P
C414
4.7u
R412
22k
Q401
C1815
R450
10k
AUDIO OUT
AUDIO OUT
C117
47u
Aext
IN
MUTE
C122
0.1u
CF1O5
CF106
CF107
CF108
CF101
4.5
C604
C605
4700/500V
R607
1.8K
TELETEXT
C415
4.7u
Q404
1815
Q403
1815
R414
560
AUDIO IN
SOUND OUT
C118
0.01u
A OUT
S OUT
VOL
VIDEO
C121
0.47u
8.2K
R609
10K
OUTIN
C036
0.01u
9V
R610
6.8K
Vext
R122
10K
R127
2.2K
47u/50V
VIDEO
Q103
1815
R124
10K
R608
D603
9.1V
R415
560
R416
47K
C415
4.7u
13141516
IN
R121
10K
D/K
B/G
D601
1J4B41
C603
680P/500V
D604
IS1835
C609
R417
47K
VIDEO OUT
VIDEO IN
C119
4.7u
IC1O1
STV8224
C120
0.47u
R120
10K
I
M/N
C606
4700/500V
Q602
2SB774
R604
330
R611
4.7K
C608
0.033
M/N
R119
10K
R622
2.2
V705
1815
R234
470
CVBS
D605
D606
R613
27
R410
1K
VIDEO OUT
SW1
GND2
C237
X202
.22u
R233
470
R287
R286
10K
9V
C607
100u/400V
R413
68
R411
560
S9V
C202
100U
X204
3.576M
C254
18P
10K
C610 47u
C611
0.1u
Q609
2SC1815
R409
75
C121
0.47u
VIDEO IN
D202
4148
C201
0.01u
BYI
RYI RYO BYO
C219
C220
0.01u
0.01u
4142
3.58M 4.43M CLPF ACC SDA
C243
3.3P
3.579M
X203
3.582M
C253
R281
18P
10K
1
1
R612
12
Q282
R616
330K
Q604
BUH1555
R614
0.2
1815
1
Q283
1815
9V
C251
IC202
STV2180
C221
0.01u
3940
R293
2.2M
C612
2200P/1600V
R615
6
39
R207
C252
10
47u
C218
0.01u
38
LFB/SCBY IRY IRY OBY OVCC2
C224
33n
Q281
1815
R284
10K
0.0022/400V
R617
8.2M/0.5W
C412
0.1u
R239
0.1u
R215 1.5K
C211
4700P
Hout
SCL FTUN1 FTUN2
C225
56P
R082
100
SDA
C613
VIDEO INVIDEO OUT
R132
1k
R129
220K
AGC
OUT
AFT
OUT
2324
5V
ON/OFF
AUDIO IN
R108
5.6K
R109
1.2K
22
AGC
CAP
CVBS
OUT
220P
C115
9V
T602
C602
220P/AC400V
T601
C601
F601
SW
R111
L102
1uH
Q101
2SC388
R112
22
C114
1u
LAGC
SW1
C125
15P
4148
R128
150
4/5W
R602
0.1u/250V
T2A
~220V 50Hz
R110
680
21
L105
D102
C127
47P
CN601
100
C112
0.01u
IF
IN
38M
trf1062
R1324.7K
L107
8.2uH
MZ72-18
SW601
+9V
IF
IN
38M
C126
56P
L106
8.2μ H
CF102
6.5
CF103
5.5
CF104
6.0
RT601
DGC-HL-25
C111
47u
SWA101
K2959M
GND
AUDIO
FILTER
R126
10K
R125
2.2K
CN602
L601
9V
SW1
Q402
1815
9V
C116
0.01u
17181920
VCC
SIF
IN
C1241uC123
D105
D106
D107
D108
R123
10K
R605
6.8K
VR601
2K
R606
3.3K
6
AUDIO IN
1000P
Q104
1815
4700/500V
Q601
C1815
D602
8.2V
R603
2.2
AUDIO OUT
R101
R102
10K
10K
C107
C108
47u
C
C013
15P
C012
15P
22K
R037
C
R026
10K
R024
10K
R023
3.9K
R020
3.9K
R021
3.9K
R022
3.9K
0.01u
C
+5V
SCL
SDA
R031
22K
C017
0.1u
C113
1u
R027
22K
R025
22K
33K
R032
R033
33k
C003
1u
R107
22K
D101
4148
R131
10K
R130
C129
0.68u
C128
0.1u
R034
33K
C015
0.1μ
IC002
KIA7045
C110
0.01μ
Q102
2SC1815
C128
0.01
AGC
PIF
PLL
1 2 3 4 5 6 7 8 9 10 11 12
68
POWER
IRIN
+32V
VT
+5V
FLYV
FLYH
OSD FB
OSD B
OSD G
OSD R
R103
4.7k
C109
0.01u
R105
100
C
R106
100
L103 L104
R12110K
R114
47K
D103
3.9V
42
41
40
39
38
37
36
35
34
33
32
3112
29
28
27
FB
25
B
24
G
23
RGND
22
R041
R040 4.7K
R029
12K
C016
150P
L002
D701
4148
D702
4148
D703
4148
D704
4148
C005
47u
R038
22K
X001
C011
15P
47uH
C010
15P
Q002
1815
R028
3.3K
8M
4.7K
Bo
Bext
R228
2728293031323334353637
B
R202
470
0.01u
C006
1u/50V
Gext
R229
75
R307
1K
D307
1N4148
XP401
XP201
C205
0.1u
0.01u
C235
G
C621
470u
75
CBCRBoRo GoICATBCL503KHZSLPFVampVout
Rext
R230
R
C204
0.1u
CG
181716151413121110987654321
0.01u
C236
75
IC601
7805
R321
2.2
2
R308
2.7k
Q301
2SC2482
XS401
XS201
R219
4.7K
C203
0.Iu
CHR/SVHS
19
R231
75
FB
C007
100u
R310
2200/500V
R206
1K
VCC1
GND1Y/CVBSFBext
R232
C014
0.01u
POWER
18V
C304 0.1u
680P
C322
VD203
2223242526
2120
32V
S9V
+5V
R216
4.7K
4148
R218
10
C222
0.01u
B401
SPEAKER
9V
H.SYNC
T301
TLN1032
C223
100u
9V
SC
9V
FLYH
IC302
7809
C318
470p
R306
3.3K/3W
X502
CT
R
G
B
9V
GND
180V
HEAT
GND
C302
470u
3
R310
22/0.5w
IC301
TDA8174
FLYV
C325
100u
BC
22V
SC
D306
4148
C317
680P
D303
1835
R315
1
2.2/1W
C305
680P
R328
680
Q302
BUH515D
68K
68K
68K
C210
0.047u
C323
47u
C301
4.7u
R320
2.2
R317
2
2.2
R505
620
R509
620
R513
620
IC501
3
11
4
6
1
14 13
2 5
STV5111
C507
47u
CRT BOARD
V AMP
V.SYNC IN
34567891011
R316
120K
R322
100K
R318 1.8K
C326
1000u
R324
100
R320
2.2
R312 1K
C311
0.47u/250V
C315
680P/500V
1
D305
C1835
T302 FBT
T302
VCC2
12
10
15
C509
POWER
12
R326
270/0.5w
L301
TLN2055
C303
2.2μ /250V
C504
470P
R515
470
9
C505
470P
R517
470
7
C506
470P
R519
470
0.1u
C510
4.7u/250V
SYNV
AMPV
R315
22K
R322
1K/0.5W
C324
0.47u
R327
2.2
XP301 XS301
XP301 XS301
R309
8.2K
R524
100K
22V
H-DY
HV
FV
SV
VD503
IN4148
R516
470
VD504
IN4148
R518
470
VD505
IN4148
R520
470
C508
2.2u/250V
V-DY
+180V
HEAT
GND
R523
1M
L362
C308
0.047u
CRT
V501
A48QA220X
C511
2200p/1K6V
522
2.7K
D501
IN4004