Text preview for : Chassis 3S30 sch.pdf part of China 3S30 Chassis with S3F880, STV2247, TDA1905, TDA8174, HEF4052BP, ENV59D69F1 pow Q6xx, Q6xx, Q6xx
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SKYWORTH
1
3S30
FOR
21' INCH
2
SPEAK1 L SPEAK2 R CN402
3
4
5
6
. . 1. 1K=1,000. 2. 1uF 1pF 3. uH 4. 50V ,
CRT BOARD
R504 560 C511 C502 Q503 1815 560P R509 470 Q504 2482
7
8
C418 A
8
9
MAIN BOARD
0502-21SF02-01
R259 1K
3 9 10 11 6 12 TDA1905 13 14 15 7 16 5 4 2
C402 47u
R403 0.1u 3.3K R401 4.7 R404
7
0.01u
C417 0.1u C406 0.1u
1 8
C415
5
6
2.7K
1
IC401
D401 4148
R248 22K
4
3
470u/16V
R247 22K
10 11 12 13 14 15 16
1
C414
HEF4052BP
R203 5.1K
HTTP://MASTER-TV.COM
A2 IN
A1 IN 100u C507 560P R530 560 R514 560 V OUT C503 560P R506 560
V2 IN
V1 IN
2
R515
A OUT
A
CN201
CN502A
RO
Q502 1815
Q501 2482
IC203 10K R010
C404 2.2u 220 C237 1u C405 4.7u C207 1u C441 1u
GO BO
R502 470
R411
10K
D402 2.7V
R212 22K
R202 5.1K R442 22K
Q205
R209 C208 68 1u
GND
4148
2.7K R529 2.7K 1
R519 VIDEO OUT AUDIO OUT AUDIO2 IN AUDIO1 IN VIDEO2 IN VIDEO1 IN 1815 R243 560
R408 AUDIO2 IN AUDIO IN C401 18V 470u/25V MUTE
SW1
SW2
C422 22u
R405 47K
1K R257 8V
AUDIO IN
C403 1u
AUDIO1 IN
R208 560
R511 470
560 R512 470 C504 560P R520 560
Q506 1815
Q505 2482
8V
100K
+8V
R518 560
R516 R507 R531 2 15K 2 15K 2 15K C501 R513 1.5K 180V GND R521 560 560P HEAT R532 1/1W C509 1000p/2KV
AUDIO OUT
SDA
V.SYNC
OSD FB
V.AMP
V OUT
OSD G
OSD R
OSD B
5V(A)
SCL
BCL
8V
SC
HD
8V
TUNER-5V ENV59D69F1
8V
Go
Bo
Ro
Q507 1015
C505 R517 1K
D504 D505 4148
GND
VCC
AGC
AFT
IF
R217 22K
330K R215
R270
D205 100 R224 R225 R222 8.2K R219 100 1K
1
VT
2
3
0.1u
4
5
6
7
8
9
10
11
R241
C234 1u
D206 4148 4148
10K
4148 47u
NC
NC
BU
BH
VT
BL
CN502B
1K
C106
R223
2.2K
120K
R260
R237
1K R236
270 R235
R117
D110
C221
R238
R214
15K
1K
560 R039
B
VHFL
V OUT
VCC1
HOUT
PIFLC 1 X1/VAMP/CHROUT
GND D
FBOSD
GOUT
Vcc1
GND1
ROSD
BOSD
Icath
SDA
BCL/SAF
FMCAP
CLPF
SLPF
LFB /SSC
INTCVBSOUT CVBSOUT1
XTAL1
XTAL2
XTAL3/BTUN
Vcc D
GOSD
ROUT
AUDIOOUT
BOUT
SCL
VERT
NC
3
SAW201 1 5 K3955M
R318 10K
100K
10u K008 PKEY R026 1.5K R067 5V 1k R068 10 REMOTE C060 0.022u K007 P+ R025 K006 VK005 V+ K004 MENU R009 6.8K M001 REMOTE
V.SYNC 24V
10u
C312 .001U C304 0.047u C309 0.1u R314
C107
R107 150K K002 AV R006 K001 STANDBY
R315 2.2K
11
10
VP
9
8
BC
AGC
C301
2.2K R303 1.8K
C305 1000P
7
GND
6
5
4
3
VCC2
FLYV
C245 47u
V AMP
56
55
53
52
51
50
49
48
47 Simulation StimulusStimulus 43 46 Simulation 44 45 i i
42
41
40
39
38
37
36
35
34
33
32
31
30
29
12V
2
POWER
R108 33K
2
Q301 1815 V.POSITION R057 10K
R302
TDA8174
1
TUNERAGCOUT
STV2247H
CVBSIN1 PIFLC 2 Vcc2
5.1K
AGCSIFCAP
AM/FMOUT
Y/CVBSIN3
EXTAUDIO
AGCPIFCAP
C302 100u
GND IF
CHR
APR
NC
NC
NC
GND
VCC
OUT
1.8K 2.7K LED001
3.9K
15K
R050 100K R028 5.1K R047 5.1K
BS
R016
R015
FBEXT
SIFIN1
SIFIN2
PIFIN1
PIFIN2
Vref IF
2 3
4
CVBSIN2
GND2
IFPLL
VccIF
BA158 R323 2.2K R322 R319 1.2K R321 75 C313 47u 2.2K C308 1000u
D301
C303 100P R305 2.2 C307 0.47u
1
2
3
4
5
C233
6
7
8
9
R266 150 C257 0.33u
10
1000P
11
12
13
14
R265 150
15
16 38M
17
18
19
20
21
22
23
24
25
26
27
28
R256 75
IC001 1 VT 2 H-AMP AV-IN 42 SCL 41
C003 47u
ST24C08
C256
IC002
C246 C227 C231 1u 10u 0.01u SCL
1u
IC101
L202
C253 0.1u
trf1062
R264 1K
C254 1u
C243 0.1u
C251 1u
C242 0.1u
VCC
5.1K V-POS R014 22K R023 22K R031 33k
18K
SDA
4 V-POS
R048 5.1K
FAC 39 POW 38 GND 37
R047 100K
5V
ON/OFF
1u
47u
C252 47u
R256 75
2.2
5V
R056
R049
C248
R239 220 C225 47u D201 1K 4148 220u
Q203 1815 D208 5.6V Q201 R032 1K MUTE Q202 1815
R317
3 E-W
SDA 40
C255
R262 1K
R304
5V(A) 100/2W L7812
R308 68/2W
IC302
270/0.5W V-DY
33V R053 33K
5 A-R 6 A-L
C237
R201
C318 D302 0.39u/400V BA158 R313 22K/1W C317 1u/160V C323
L301 44uH R312 1K/0.5W H-DY
0.1u
VIDEO1/Y IN AUDIO OUT VIDEO2 IN AUDIO IN
C
Q002 C1815
C201 R216 5.1K A1015
C009 150P
R316 100K
R307
V.AMP
D104 5.1V
4
IC301
R218 V.SYNC
V.SYNC IN
0.01u
C226 1u
560 R041
560
C104
K9351M
R221
18K
C102 0.1u
R118 33
5
C228 0.1u 54
2.2u
R033 1.5K R042
0.1U
0.1U C219
C232 47u
4148
C103 0.01u 1
100
SAW202
C224
VHFH
C223
X202 X201 X203 4.43M 3.58M 0.1u
270
4700P
C222 220u
270 R234
C108 0.1u
C218 C217 4700p 0.1u
C213 C215 C214 0.01u 0.01u 0.01u
1
8V
D202
C506 560P R510 C508 560 560P
CRT A51JSY63X13 R508
R501 560
B
5V(A)
5V KEY
S3F880
R027 10K
R022 3.3K
R021 12K
8 YUV 9 KEY
NC 35 VDD 34
D002 4148 5V 5V
IC601
12V
8V
C011 0.1u
AGC
C IN
VT C013 0.1u
7 WOOFER
CAPA 36
C
3 4
P621
2 1
R619 47K 4700P/500V C619 R618 D611 22K 6.2V
VOLT CHECK D020
R210 10K 10K R020
R052 C018 10K 10UF C017 100U
D001
11 VOLT 12 TEMP 13 TEST 14 IRIN
OSC 32 OSC 31 GND 30 OSD 29 OSD 28 V 27
C008 22P X001 8M C007 22P C006 47P
C004 100P
Q001 R011 10K R007 1815 10K 3.9V R008 R012 C608 R601 D603 D604 C607 R609 C604 1 220K 100u/400V
R616 100K
R615
5.6K
C016 0.01u
Q603 1815
RP601
2KB
33V R631 1 12K IC602 KA33V C628 1u/50V SC R610 110V D304 4148 R327 560 R310 3.3K
560P/500V D303 BA158
R335 220K
CN302 +180V C325 10U/250V HEAT
10 NC
RST 33
4148
IN5397*4
C605 D601 D602 C606
SW1 REMOTE SW2
220
D020 4148
R019
2.2K
L001 C005 47P
4148 D616
D010 4148
15 AV1/AV2 16 GREY
10K Q005 1815 D004 C015 5.6v V.SYNC D003 5V 4148 H.SYNC L602
4/5W
D615 BYW36 D613 BA158 C617
3
150K R617
8.2 C621 100u/200V R624 1/1W R623 10k Q604 B892 C624 1.2k R622 1000u/25V Q606 2482 R628 22
12V
C622 47U/160V 8V C631 H.SYNC
GND
T301 BSC21-2088S 5 9 8 7
5
HV
1000P/2000V*4
C609 4700P D609 4148 R608 15K R602 2 22 C611 0.1u D607 4148 R604 1K R603 22K C3807 Q608 C613 0.015u C614 Q603 D5148 T601 560P/1600V BCKEC40F C680 2200P/400V R612 2 56
470P/500V D614 BA158 C618
L7808 IC603 Q003
2
1000U/16V ON/OFF
1.5k R625
4700P
R614 5.6K C602 220n/400V D605 Q601 1015 RT601 MZ72-18 BA158 D606 4148 D608 12V R607 R605 2.7K C612 SW601 0.015u 3.3K
R034 R045 5.1K R044 5.1K VHFL
470P/500V 470P/500V C616
Q605 470u/35V C623 R301
17 UHF 18 VHFH 19 VHFL 20 M/L
H 26 FB 25 R 24 G 23
1K
R035 100 R040 3.9K
C014 100P
R018 5.1K OSD FB OSD R OSD G
B764 R626
R634 5.1K
1815
R024 5.1K
5V 24V R311 2 270 18V HD 47u/35V C314
24V
110V BC D207 4148 C206 3.3u Q302 T302 C327 C319
3 2 FV SV D 1
R205 22K D2499 2700P 6800P R331 C326 8.2K 0.056u R309 15K
VHFH
R051 3.9K R038 5.1K
L601
6.8/2W 10k R629
C306 470u/35V
D D011 4148
R033 100
C601 3.15A/250V 150n/250V F601
D612 BA158 R627 150 R632 560 D618 4148 R013 560 C629 D625 220u
C625 470u/25V
R621 1.5K
6.8/2W
volt check
4
R037
21 HALFTON
B 22
5.1K R036 5.1K
C229 0.1u
Q301 C2383
6
OSD B
R614 2 5.6K R680 8.2M/0.5W
D617 4148
12V IN SKYWORTH ELECTRONICS CO., LIMITED SIZE DATE DAWNED BY A2 2002-10-23 YJ 2 3 4 5
~220V 50HZ CN601 CN602
Q203 1815 C002 5.6V 10u C003 470u
D305 4148
C315 2200P
BOM NO. 3S30-21NFMK-00 SYSTEM P/N PAL DK/I
0502-21SF02-01 1
DGC-HL-21
6
7
8