Kenstar CTV-S2112C Schematic
R893
3k3
Q850
C1815
D850
!
D831
C843
D830
D824
RU3C
+
470u 16V
+
C431
47uF
R401
470
+
R892
1.5K
C866
C313
4.7uF/50V
R406
25V
C607
100uF
25V
L810
2uH
L809
2uH
L808
2uH
C839
220p 2KV
+
10K
D413
IN4001
!
1
IN4001
C405
100n
Q401
C2235
C609
100uF/25V
14
15
C612
100uF/25V
3
2
D309
+
+
+
R834
0.22 2W
R835
0.22 2W
R836
0.22 1W
R820
120 2W
C869
220p/50V
D404
5V6
4148
C851
10u
16V
16
!
14
15
12
!
11
C894
1000p
AC400V
1N5819
2
R407
1 1/2W
112V
9V
C401
1000P/500V
C450
10n
C608
0.15
100uF/25V
9
D868
100uF/35V
R404
15K
1W
!
D833
4004
R413
220
1/2W
C414
3300
100uF/25V
C613
C611
0.15
P804
36-TRF141-AXO
T860
!
6
10
3
C323
+
100uF
35V
+
C360
C422
5600p/63V
33V
+
R402
22
1W
D450
5V6
C610
+
+
P601(P602)
T802
IC300
STV9302
P403
R403
1/2W
C411
100u
160V
T401
R450
68K
P600
2
1
1
2
!
4
C325
0.33u
+
100uF/25V
4
3
2
1
1
D405
4004
R837
8.2M 1/2W
!
C837
1000P AC400V
3
R809
C818
56K 2W
10n
D805
L801
1HB
560p 2KV
1
0.6uH
R803
8
6
R811
15K 1/4W
R812
56K
R810
7K5
VR801
D806
FR104
Q801
SK3115
R814
C820
560p
5
1
3
6
C816
47uF/25V
R808
47
100
R815
1K
1/2W
1/4W
1/4W
D807
1N4148
JP880.
R813
4.7M
R841
12K
101213
C850
100n
4
D810
11
8
TDA16846
C815
1000p
7
R804
1K8
4148
2
R807
1M 1/2W
IC801
9
14
+
R817
470K
C819
82K
C812
10n
C811
1n
C810
22p
5K
C825
1n 400V
!
5
R860
C860
1M
10n 500V
R862
2.2 1/4W
R861
75K
FR102
D865
D860
1H8
8
6
5
1/4W
IC860
D
NC7GND
TEA1520P
S
AUX
+
R865
100
1u 50V
3
C890
NA
2
+
C861
4.7u 400V
1
VCC
2
3
RC
REG
C864
C862
100n
4
R864
R868
5.1K
39K
1
D320
4148
R351
VREFVPOUTGNDPOMP UP VCCINPUT
5
6
7
R313
1 1W
-14V
C324
C334
2n2
10K
-14V
R315
C337
2K2
1000P
R410
R321
47K 1/4W
1.5
D400
C420
FR104
+
112V
10u 160v
C421
JP401
0.39u/250v
T402
+14V
2
1
1
2
R408
15K
1/4W
SC5885
-14V
C413
+
470u/25V
R420
1.5
2W
+14v
+
C415
470u 25v
C408
+
10U 250v
Q402
C404
1000P
500V
R451
3.9
2W
Q450
IRF630
C409 390P 500V
C416
D421
3300P
RS3FS
1.6KV
D422
FR104
L450
600UH
C451
C418
4.7uF
22n
50V
400V
8V
R609
10K
D600
P601
P600
4148
D403
FR104
C403
390P/500V
D402
FR104
C412
390p/500V
D401
FR104
C417
7600pF
1.6KV
!
BC857
+
Chassis Name
Prepared by
Reviewed by
Issued on
R409
1 1/2W
R405
1 1/2W
!
R418
1 1/2W
R606
47K
R610
Q601
100uF
6
3
10
7
4
2
9
1
C419
2200
1.6KV
!
P
3
12
L
4
R
R607
47K
7
Q602
BC847
10K
C616
16V
6
M
+
8
C615
10uF/25V
ETC009(M61)
Liao Ling Zhi
Liu Geng
2005.2.16
R850
C865
3k3
R015
47
1/2W
C845
1000u
25V
8V
C849
47u
16V
112v 9V
100uH
C827
220u
160V
C867
100n
R314
1K
D300
4148
R300
1K2
D281
4148
Q280
D280
24V
270
1000P
R855
27
RU4YX
+
C844
10n
220P 500V
C842
L803
1000u
RU3YX
100uH
16V
+
+
C848
10n
C840
220P 500V
L802
R824
15K3W
+
C826
10n
C830
220p 2KV
500V
!
L861
10uH
+
D866
C868
6V2
470u 16V
C351
2200P
R316
1K
+14V
C308
220uF/25V
D307
D306
4148
3V9
+
D308
C307
4148
CAP POL
R280
5K6
R285
+
470
R284
100K
M
R611
P
+
C606
16
8
C614
25V
10n
L
10
11
IC600
25V
TEA2025B
1
6
7
4,5,12,13
R
9
+
JP601
JP603
0.22/2W
1000uF
C602
100uF
R806
56K
C891
1500p
C892
1500p
R324
220
1W
HV
IC601
TDA7266
C622
100n
!
220n/AC250V
!
C802
220n/AC250V
RT801
JP881
R801
3.3 /5W
C817
10n
R805
4M7 1/2W
C814
220n
C808
10n 500V
D864
1N4007
D861
1N4007
D862
1N4007
D863
1N4007
R863
C863
470p
9.1K
C342
0.22u
L412
0uH
L411
50uH
R411
1K 2W
EHT
FOCUS
SCREEN
8
13
9
Serial No.
File No.
Version
Updated On
F801
T2AL 250V
C801
!
R802
1M 1/2W
!
RL255 X4
D801-D804
+
C806
150uF/400v
C410
100n
1
2
!
C834
470p/400V
C804
4n7/250V
!
15
14
S801
!
T801
36-LIF010-AX0
C803
100n/400V
470p/400v
!
4n7/250v
!
P400
1
2
3
4
CON4
+14V
R414
10K
C407
2n2
To CRT
R415
1K
P601
P600
0.1
2005.2.16
P802
1
2
P801
1
2
C833
C805
K9453D
C004
10n
C005
56p
+5VSTB
4k7
R024
100
R046
22k
D205
4148
47
R009
R011
Q210
BSH103
22K
R017
22K
R018
+
D007
IN4148
+5VSTB
+5VSTB
P001
5
4
3
2
1
R121
6K8
R120
6K8
R128
R126
220
47K
R125
100k
P003
5VSTB
R010
22
22
22
R215
33K
Q202
BC847
R281
C281
150K
1n
+5VSTB
+3.3VSTB
D006
4148
D005
C024
4148
47uF
16V
Q209
BSH103
R040
15K
R039
1k
R032
5K6
+5VSTB
C027
R262
+
22K
C280
47uF
Q205
16V
BC847
R131
D501
BAV21
R517
220
R516
200V
470 1/4W
R515
15K
1W
Q512
BF422
Q513
BF423
470
R537
470
M
B
ST1
G
R
FB
Q522
BF422
Q523
BF423
R527
470
Q532
BF422
Q533
BF423
P201
R203 330
R202 330
R526
470 1/4W
R536
470 1/4W
5
1
2
3
C200
10uF
R514
200V200V
270
R525
15K
1W
R524
270
R535
15K
1W
R534
270
D531
4148
C203
+
2.2uF
R252
47K
R251
1K
1K
R250
R253
47K
+
C201
220n
C229
R241
100n
390
+5V
L204
10uH
L205
2.2u/50v
10uH
C235
ST2
100n
R225
1K
C228
22n
C236
+
2.2uF
C237
+
2.2uF
C231
+
0.1uF
C233
22n
+
+
R217
R218
10K
10K
Vo
AOUTL
AOUTR
SCL
R511
47
Q511
BF422
R512
10K
R513
10
D511
C511
470P
4148
Q521
BF422
R523
10
D521
C521
470P
4148
Q531
BF422
R533
10
C531
470P
+5V
R220
68K
R201
47K
33
C250
2.2uF
34
+
35
+
C251
36
2.2uF
37
38
39
C202
3n3
40
41
C234
42
+
1uF
43
Test1
44
C230
4n7
45
C247
46
+
47
48
49
50
51
52
53
54
55
56
57
58
59
C239
60
1uF
C238
61
1uF
62
63
64
R521
47
R522
10K
R531
47
R532
10K
C204
2n2
R204
32
1K
AVL
A.IN5L
A.IN5R
A.OUTSL
A.OUTSR
DECSDEM
AUDEEM
GND2
PLLIF
SIFAGC
IFVEDIO OUT
DVB/FM OUT
VCC8V
AGC2SIF
VP2
SVO
A.IN4L
A.IN4R
CVBS4/Y4
C4
A.IN2L
A.IN2R
CVBS2/Y2
A.IN3L
A.IN3R
CVBS3/Y3
C2/C3
A.OUTL
A.OUTR
A.OUTHL
A.OUTHR
CVBSO
65
R205
680
EHT
R221
10k
P502
R520
1K 1/4W
AGC
31
AGCOUT
R223
1k
5V
C268
220p
R222
100
C269
220p
SANDCASE
1
6
5
4
3
2
1
C205
22nF
SIF230SIF1
H OUT
2
29
C242
0.1uF
C241
10uF
16V
L206
10uH
A. SEARCH
Power
K001
P+
K003
K002
R002
R001
1K
1K5
TU100
UV1336
AGC1VT2Hi/n.c.3Mi/BS1(SCL)4Lo/BS2(SDA)5V+6i.c.(V+)7i.c.8i.c.(+33V)9IFGND10IF
+
C100
R103
+5V
R206
39K
28
27
GNDIF
+5V comb69GND comb68HOUT67FBISO66SVM
C2431nC2441nC245
+
P203
10uF
IREF
BIN70GIN
12345
D100
39k
16V
IN4148
R100
68k
R101
10k
AGC
3
4
VDRA
R207
100
1n
C206
150n
26
23
24
VSC
VIFIN225VIFIN1
RIN
73
71
72
C267
0.1uF
0.47u
6
5V
VOL+
P-
K004
K005
R004
R003
470
680
L101
10uH
C104
100P
C101
100P
C2091nC207
VDRA
VDRB
22
R109
R104
100
100
SDA
SCL
R208
R209
100
100
C208
10uF
16V
C213
1n
+
C210
22nF
C211 220n
19
20
21
E-W
VDRB
DECBG
SECPLL
INSSW3
77
C246
C240
C248
220p
22n
RGB
FB
MENU
VOL-
K006
R005
390
TV/AV
K008
K007
R006
R007
300
220
12345
P001
C106
10n
C103
+
C102
100uF
10n
+5V
+
C217
100n
C215
+
2.2uF
50V
R210
12K
C214
6n8
17
18
GND1
33V
10V
+
C105
D102
47uF
BYV79C33
50V
C112
10n
L200
+5V
10uH
C212
10uF
16V
C220
+
33P
C219
C218
10uF
100n
16V
C216
10n
13
15
14
12
VP1
PH2LF16PH1LF
D.GND
VG/LED
DECDIG
IC201
+
C249
22n
22n
C253
C264
22uF
R229
16V
0.1uF
4K7
C263
+
10uF
16V
L207
Q206
10uH
BC857
5V
5V
Q204
BC857
R227
C252
120K
2n2
D204
R228
220
5V6
ABL
X501
11
13
15
17
19
21
11
13
15
17
19
21
R960
220
R962
100
screen
1
3
5
7
9
1
3
5
7
9
SIDE AV
+
EHT
KB
1.5K 1/2W
KG
1.5K 1/2W
KR
1.5K 1/2W
G1G2G3
R502
2.2M
R500
C501
1.5K
4u7 250V
1/2W
+
+
R503
D500
C500
1n
2KV
L905
2.2uH
C936
2n2
L906
2.2uH
C938
C939
2n2
2n2
R908
75
D900
8.2V
D901
8.2V
D902
8.2V
D903
8.2V
D904
Vo
8.2V
C943
2n2
C944
2n2
D905
8.2V
D906
8.2V
P962
C964
1n
C965
1n
P963
1
2
3
4
C963
+
100uF
C962
100uF
R961
220
C961
3n3
150K
BAV21
C941
2n2
C942
2n2
R909
33K
R911
R913
100
C909
220P
R924
33K
C918
220P
P902
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
P602
1
2
3
4
10uF 250V
R900
330
R901
C937
100k
2n2
R902
330
R903
100k
R904
22K
R905
47K
R906
22k
R907
47K
R910
10K
75
R912
75
5V
R915
R914
1k
75
Q900
BC847
R917
R916
1k
75
L900
2.2uH
C910
220P
R920
22K
R921
C913
2n2
47K
R922
22K
R923
C915
2n2
47K
R925
10K
R926
C916
75
220P
L902
2.2uH
C919
220P
R931
C945
47K
2n2
R933
C946
47K
2n2
D907
8.2V
C932
220P
D908
R935
75
8.2V
P130
TUBE
P504
1
P901
2
4
6
8
10
12
14
16
18
20
P901
2
4
6
8
10
12
14
16
18
20
P960
R
L
V
Y
P961
C
P964
C963
1n
R963
100
C960
3n3
C964
1n
D502
D503
BAV21
BAV21
R518
R528
R538
200V
L501
10uH
R504
C502
10
123
4
P503
C901
+
10uF
C902
16V
100p
C904
Q902
10uF
BC847
16V
+
C903
Q903
100p
BC837
C905
2.2uF
+
C906
2n2
C908
+
2.2uF
C907
2n2
Q901
BC857
C911
+
0.1uF
R918
75
C912
+
2.2uF
C914
+
2.2uF
C920
+
0.1uF
R927
75
1K
R930
C930
2n2
1K
R932
C931
2n2
L903
2.2uH
R934
75
C933
220P
C935
220P
JP130
1
2
3
4
R130
C131
220
C130
220P
220P
SDA
D001
R008
47
47u/16V
IF2
C107
11
10n
R113
100
R112
330
5
C221
33P
Z200
11
10
XTALIN
XTALOUT
Q207
BC857
R2301KR231
C270
2n2
C001
C223
100uF
10V
BC857
1K
R271
18K
R270
+
24.576MHz
Q208
33K
IR001
123
C002
10n
+8v
R127
33
R115
L103
220nH
R129
2k2
C109
10n
R124
C110
82
10n
33
R111
L102
C108
470
1uH
10n
R116
1K
Q101
C3779
R114
56
R117
R118
150
22
1
2
3
4
+3.3V-STB
L202
L201
+
1uH
C222
1uH
100n
9
6
8
5
7
4
vrefP_Sdac
VrefP_Sdac
VrefP_Sdac
VrefN_Sdac
VrefN_Sdac
C224
100n
1.8VC433.3VA3
+
C225
10uF
16V
C226
100n
2
GND1GND
GAME L P1.5
GAME R P1.4
R211
4k7
P1.2
GND
1.8V
P2.5
MUTE P2.4
GND
KEYB P3.3
X-RAY P3.2
DECV1V8
1.8V
SCART1 P3.1
SCART2 P3.0
P2.3
ROTATION P2.2
P2.1
TUNING P2.0
3.3V
SDA P1.7
SCL P1.6
SDA2 P1.3
SCL2 P0.0
IBO D/A P0.1
IBO STB P0.2
LED P0.3
P0.4
TDA12020H
VSSC2
VDDC2
TV STB P1.1
IRQ P1.0
IR P0.5
VDDA2
VDDA1
GNDA92VREFAD
VREFAD_NEG89VREFAD_POS
+3.3V analog88BO87GO86RO85BLKIN84BCLIN83LPF82GND381B/PbIN380G/YIN379R/PrIN378VOUT76UOUT75YOUT74YSYNC
C255
C256
100n
220n
91
90
+
L208
10uH
C265
47uF
L209
C258
10uH
100n
16V
VDD96VSS
94
93
95
C261
220n
C260
L210
220nF
1uH
C113
1n
L104
1uH
WP
n.c.
A2
Vss
+5VSTB
C227
10uF
Z102
Z101
5
4
3
2
K3953D
1
Z100
40.4MHz
D104
1S110
D105
1S110
R119
6K8
Q102
BC847
8
Vdd
7
PTC
IC001
24C16
6
SCL
C003
56P
5
SDA
R213
R212
2.2
1/2W
33k
Q200
BC327
Q201
BC847
R214
+
L203
10uH
16V
128
127
126
L001
10uH
125
+
124
C019
C017
10uF
100n
16V
123
122
C018
10n
121
120
L003
119
10uH
118
D004
117
2V4
C022
220n
116
R038
100
115
R037
100
114
113
112
L002
+3.3V STB
111
10uH
C023
R027 3K3
110
220nF
R025 100
109
R029
3K3
R026 100
108
R028 3K3
R041 100
107
R042 3K3
R043 100
106
R021
R044 1K
100
105
1K
R045
R035 100
104
R036
103
1K
102
R260
22k
C028
101
220n
R261
L004
22K
10uH
100
99
R048
10K
98
97
L211
1uH
+
C262
47uF
16V
R034
3.3V-STB
R232
1K
P202
12345
D270
4148
C254
100P
6
5V
D271
D272
4148
4148
C259
C257
100P
100P
STANDBY
IR
5
RELAY
LED
4
+5VSTB
3
2
1
+3.3VSTB
KEY
GND
C011
10n
4
3
2
+5VSTB
1
C008
10n
+5v
5V
+
C111
10uF/16V
SYS
+5VSTB
R829
10K
123
4
STANDBY
SCL
SDA
R216
2.2
1/2W
Q203
BC327
8V
Q002
D667
+
C013
100uF
C010
100uF
R827
10K
R828
10k
R014
680
C012
1/4W
D003
10n
3.9V
JP802
+
R013
Q001
10
R012
D667
220
C009
D002
1/4W
10n
5.6V
D834
1N4001
Q805
SD882
R825
10 2W
Q806
R826
330 1/4W
BC847
D832
5V6
Q804
BC847
P805
1
2
3
4
a
b
c
SYS
VDRA
MUTE
VDRB
R033
2K2
KEY
+5VSTB
c
X-RAY
R030
10K
X-RAY
R031
10K
ST1
ABL
ST2
RELAY
SANDCASE
SDA
100P
SCL
C026
100P
1
2
3
P008
4
5
6
LED
M
b
H-OUT
STANDBY
E-W
R047
47K
D601
4148
IR
5V
MUTE
R608
10K
a
Q281
BC847
R350
2K2
C350
1500P
+
D304
C300
2V4
100uF/50V
D305
4148
R286
330
+14V
BC857
R282
0
R283
C617
1uF
R612
+
4k7
Q600
BC857
R615
4k7
R614
R613
1K
1K
9V
Q604
AOUTL
AOUTR
Q603
BC847
C601
BC847
0.22
R601
C600
4k7
3300p
JP602
C603
+
100uF
25V
C605
0.22
R603
C604
4K7
3300p
Circuit contains and circuit iteself are subject to change without notice.Chassis: ETC009(M61)
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