Skyworth STV2286, ST9219, STV8203, TDA7439 Schematic
CTV5-SKY MAIN BOARD
5V
RQ06
9V
103
5.1K
1015
QQ01
CQ20
10u
CQ18
42
SIF IN
CQ11
1
10n
CQ09
CQ10
10u
VT
VH
VL
BU
AGC
C111
47u
5V(1)
IRIN
SCL
SDA
C039
100P
FACTORY
5V(1)
CQ13
0.01u
U101 TUNER-5V
AGC
VT
0.1u
C112
C113
1u
R101
150k
R005
4.7K
C040
100P
R102
33K
R006
10
5V(1)
BU
VH
VL
M/L1
HT
OSD FB
OSD B
OSD G
OSD R
2SC1815
CQ20
10n
10n
BU
C112
R079
4.7K
QQ02
1u
SCL SDA
RQ07
100
CQ17
22p
CQ08
220n
VCCBHBL
C115
C116
1u
47u
IC011
REMOTE
OUT
GND
VCC
C040
0.01u
R014
100
R015
100
IC001
GND
SDA
E2
SCL
E1
WC
E0
VCC
ST24C08
R007
100
R008
100
R009
100
R010
100
R029
5.1k
R031
100
R004
100
R033
100
AFT
RQ08
100
NC
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
ST92196
RQ04
20k
NC
9
NC
NC
SCL
SDA
TXT
FACTORY
OP
AV3
VDD
NC
NC
NC
NC
NC
CCVIDE01
VDD2
UHF(DX)
VH
VL
M/L1
NC
NC
HT
FB
B
G
R
XQ0127M
CQ16
32
11
GND
11IF10831 54 6 72
R116
100
IC002
ON/OFF
WOOFER
SURROUND
OSCOUTNC
CQ15
100n
22p
STV8203
CQ07
10p
CQ14
10n
IC1Q
CQ06
10u
C109
0.01u
C112
0.01u
56
VDD
55
TEST0
54
NC
53
NC
52
NC
51
RESET
50
NC
49
NC
48
47
NC
46
MUTE
45
NC
44
43
42
OSCIN
41
GND
40
39
VT2
VT1
KEY1
IRIN
HSYNC
VSYNC
FOSD
VDDA
FCPU
GND
VDD1
38
37
36
35
34
33
32
31
30
29
K001
V-
C027
100P
C031
150P
R072
1.5K
K002
R039
1.2K
R011
1.2K
V+
CQ031nCQ02
R106
15
VD101
05Z5.1Y
R036
5.1K
R024
5.1K
C014
82P
X001
4M
C015
82P
R037
12K
R073
1.8K
K003
P-
C036
47n
C035
100P
C005
47n
C004
100P
RQ01
10
RQ03
220K
RQ02
39
R074
2.7K
K004
P+
10u
Q001
1815
R002
3.3K
R075
3.9K
MENU
D012
4148
C033
0.01u
CQ13
10u
R112
1.2K
K005
22
21
0.01u
C037
0.01u
C038
SDA SCL
R425
R426
100
CQ01
CQ04
1u
CQ05
1u
D104
4148
D103
4148
R114
5.1k
Q109
1815
C033
0.01u
1u
D009
4148
R001
22K
R003
33K
C001
0.1u
R076
6.8K
K006
OK
R0495.1K
R30322K
D013
4148
R043
10
C034
10u
100
1 2 3 4
C439
10u
R115
15
R113
10K
C011
47u
ON/OFF
D011
4148
MUTE
WOOFER
R012
33K
R004
33K
C002
0.1μ
R071
10K
R078
R077
39K
15K
K007
K008
VSM
POWER
C432
5.6n
5V(1)
RESET
33V
VT
5V(1)
IRIN
SC
VS-1
5V(1)
C431
5.6n
C438
10u
9V
C111
47u
R125
10K
SAW102
K9352M
R126
10K
Q108
1815
9V
M/L1
SIF OUT
TO STV8203
220P/AC400V
L601
3.15A/AC250V
C441
1u
R427
C436
18n
R424
2.7K
C429
22n
C435
100n
R423
5.6K
C428
100n
C427
100n
R409
5.6K
C434
100n
C426
22n
560
R408
2.7K
C433
18n
IC401 TDA7439
6 7 8 9 10 11 12 13 14 15
5
C447
C4491uC448
TV RO
C418
1u
1u
1u
TV LO
9V
TVR
TVL
M/L1
C135
1u
FMCAP
C134
0.01u
TVL IN
GND D
AUDIOOUT
AGCSIFCAP
SIFIN2
SIFIN1
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
C122
1u
K6265
D102
R108
R111
10K
R109
10K
D601
RBV-606
C605
C606
L602
C602
F601
S401
5.6K
4/15W
C601
0.1u/250V
XP801
~220V 50Hz
4148
Q102
1815
NICAM
MONO
C604
4700P/AC250
R601
SAW101
CQ12
56p
RQ05
560
OPEN CLOSE
,J156 J158J157
TH601
MZ72-18
R603
2
22K
R605
2
22K
XP802
L801
DGC-HL-25
C442
C437
1u
TVR IN
5V(2)
R141
C132
470u
Vcc D
Vref IF
C123
10u
C124 0.022u
JQ05 JQ06
1u
R428
560
10
N101
STV2286
CQ11
47P
LQ01
10uH
L2
C437
1u
C443
1u
161718192021222324252627282930
R459
5.6K
R458
5.6K
SDA
SCL
R148
100
SDA
AGCPIFCAP
C109
1u
J158
J157 J156
,J156J157J158JQ05 JQ06
RAL601
JQX-14FF(9V)
D602
9
STR6709
L1
R435
22K
SC
D107
R147
4148
100
C143
4700P
C142
2.2u
R137
15K
SCL
SLPF
PIFIN2
PIFIN1
LO RO
D661
IN4148
C607
220u/400V
IC601
7 8
R432
22K
C436
1u
R145
8.2K
R138
2.2K
R139
2.2K
LFB/SSC
TUNERAGCOUT
R121
150
C106
0.33u
AGC
Q661
C1815
C611
560P/500V
D616
BYT01-400
R2
R434
22K
C4391uC438
C444
1u
LO
R475
10K
Q443
1815
RO
C443
1u
R474
10K
Q442
1815
C476
10u
MUTE
HD
VS
R146
2.2K
C114
0.01u
VERT
HOUT
GND IF
IFPLL
C108
1000P
C107
0.01u
5V(2)
R662
10K
R661
10K
Q601
C3852
C613
220u
5
4
3
1
2
6
R1
R433
22K
1u
C468
1n
C466
1n
9V
HT
BC
IN4001
R143
2.2K
C141
1000P
Vcc1
BCL/SAF
VccIF
AM/FMOUT
C145
1u
0.01U
C121
1u
Q103
1815
10
Q662
A1015
D662
IN4148
R610
R606
15K/0.5W
D604
05Z7.5Y
R611
R612
R613 0.33
R607
6.8K
C475
10u
C469
1u
R463
10K
C471
1u
R464
10K
VIDEO OUT
R144
220K
D106
C131
470u
C139
0.01u
CVBSOUT1
INTCVBSOUT
R119
150
C103
R118
2.2k
C102
1U
C661
4.7U
1K
33
2
20
2
D607
BYT01-400
R602
0.15
R604
100
R483
10K
R473
10K
C477
47u
5
1
R142
10K
L103
8.2uH
CF102
6.5
CF103 6.0
C608
22u/100V
C614
100u/160V
D606
BYT01-400
2
2200/1.6KV
IC403
TDA2009A
6
TXT
C138
4700P
GND1
EXTAUDIO
trf1062
CF101
4.5
N/M
R663
100K
D603
BYT01-400
560P/500V
D605
IN4148
R609
2K
C615
C487 1000u
R466
893
1.5K
4
C478
47u
10
R467
1.5K
2
C479
47u
R477
47
TELETEXT
CVBS5VGND
C137
0.1u
X101
4.43M
R136
18K
CLPF
X1/VAMP/CHROUT
PIFLC2
PIFLC1
L101
R124
1K
C119
47u
Q104
1815
R117
2.2K
R152
C133
470u
9V
IC603
P621
3
4
T401
BCK-90-6N
C609
R608
1K
C612
1000
2200P/400V
8.2M/0.5W
XTAL1
Vcc2
C850
R851
R476
47
C482
100n
X102
3.58M
10
R230
1K
VSS
C461
R461
470u
10k
C462
R465
4.7
C481
100n
C463
470u
R468
4.7
R462
10k
0.22u
L
R469
5.1k
R471
5.1K
C472
R
0.22u
Q461
1815
SCLSDA
OSD FB
C129
0.1u
R478
10K
C483
10u
OSD R
C127
C128
0.01u
0.01u
R025 1.5k
ROSD
XTAL2
FBOSD
XTAL3/BTUN
CVBSIN2
C117
1u
R401
75
BS
C402
1u
CVBSIN1
C118
1u
R123
1K
GND2
C401
1u
Q112
C147
100u
VIDEO2 IN
2
R615
1
R616
2K
10K
D633 BYT03-400
1000P
C634
D631 BYT03-400
C633
470P
2
R632
4.7 R634
C632
1000P/1KV
BYT01-400
C619
470P
C639
1000u/35v
D635
C631
22u/100V
2200u/25V
OSD G
C126
0.01u
GOSD
Y/CVBSIN3
R402
75
VIDEO1/Y IN
C616
0.1/100V
A1013
D632
BYT01-400
R637
4.7
1
2
2
C637
R2
L2
R481
100K
Q633
1u
C484
C473
0.22u
WOOFER
OSD B
R135
47k
BOSD
CHR
C125
1u
C IN
1
IC604
TDA8139
5 4
1
2
R472
510
R636
4.7
10K
C485
10u
CT
R051
5.1K
AV IN
R1
L1
5
IC404
+
TDA2030A
_
3
Ro
R133
R134
2.2K
Icath
ROUT
NC
APR
R128
330K
D465
4148
R484
5.1K
9V
R635
1K/1W
C638
100n
36
9
8
7
R638
10k
R639
3.9k
4
R497150K
Go
270
R127
100
R048
5.1K
2 1
D634
BYT01-400
Q632
C1815
D461
IN4001
R132
270
GOUT
NC
Q464
1015
C486
470u
IC602
SE140
3
C641
220u
C642
220u
XS701
SVHS
Y C
R701
1K
D464
IN4001
Bo
BOUT
NC
Q111
1815
C717
VIDEO1/Y IN
R682
1
C474
R131
270
0.01u
C IN
VIDEO2 IN
R628
25V
1
C464
1000u
0.1u
WOOFER
R702
75
9V
1815
VIDEO
OUT
LO
RO
Q401
R405
1K
XP301
XS201
29303132333435363738394041424344454647484950515253545556
VS-1
VSS
SCL
SDA
VS
24V
SC
C636
100u/160V
D105
6.2V
R633
10K
Q631
C1815
FBEXT
NC
J110
75
D463
4148
WOOFER
D462
4148
R614
100
L603
100uH
C635
100u/160V
5V(2)
MUTE
IC003
KA33V
Q301
C318
2SC2482
0.1u
D301
IN4148
R325
2K7
R434
R433
R403
R404
560
R303
22K
R230
10K
R301100
R302100
33V
C032
1u/50V
130V
5V(1)
9V
ON/OFF
C038
10u/16V
RESET
25V
1
C328
1000P
C444
560
560
68
1
R306
100
D108
4148
HD
C310
0.047u/200V
T301
TLN1038
X502
AV OUT
4.7u
C439
4.7u
CT
R
G
B
9V
GND
180V
HEAT
GND
IC301
STV9306
7812
IC302
FLYH
R
2.2K
130V
BC
D504
IN4148
D505 IN4148
D506 IN4148
C501
470u
R331
10
C309
10u/100V
L302
R304
560
R309
3.3K/3W
3
C146
1u
Q301
C2482
1
R310
22
R503
10K
SCL
C301
100n
R329
10/2W
C330
1000P
C307
680P
R149
22k
D501
4148
1
V501
1015
R502
5.1K
CRAMP
SDA
C302
220n
R307
270
32V/1w
C303
1000u
D303
1835
2
R316
4.7
R328
1
1
D109
4148
C313
1500P/1600V
C333
8400P/1600V
RD502
CHOLD
47K
D503
4148
D331
R513
510
R509
4.7K
R515
510
R504
4.7K
R514
510
R508
4.7K
SYNC
R512
33K
R511
620
R523
33K
R525
620
R524
33K
R526
620
VCC
FLYBACK
C306
100u/35V
D302
BYT01-400
BYT01-200
D309
1
R34115K
L610
C311
1200P/1600V
C317
0.047/200V
3
11
4
6
IC502
STV5112
1
14 13
C502
47u
GND
OUT
2200u
C331
0.39u/400V
C339
10u/250V
R319
1
2.2
R317
2
2.2
T302 FBT
BSC24-0405
8
6
5
4
L612
3
2
1
8
52
C507
10u/250V
VOPS
R323
2.2
C314
680P/500V
C304
D305
1835
R315
1K
12
C503
680P
R507
220
10
9
C505
680P
R522
220
7
15
C504
680P
R517
220
C506
56n/250V
CRT BOARD
EWOUT
SENS2
R322
100
R324
1/0.5W
C319
L301
TLN2139
1
R3082.2K
C315
10U/250V
R505
33K
R519
33K
R516
33K
EWSENS
1
0.1u
XS301
D310
DMV32A
SENS1
R401
100
R336
270
7
D507
IN4148
D512
IN4148
D511
IN4148
BREATH
R324
68K
R506
1K
R522
1K
R518
1K
8.2K
R318
C312
1n
+180V
HEAT
GND
HV
FV
SV
C332
0.047u
D509
D508
D516
R528
1.5K
D515
D514
2200p/1K6V
D513
R501
1/0.5W
R312
100K
R311
220K
R309
10K
R529
1.5K
R527
1.5K
C508
R313
C334
4.7u/50V
V501
A48QA220X
CRT
BCL
15K
R320
R314
2.2K
10K
V-DY
H-DY
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