Skyworth 5D20 Schematic
4321
MAIN BOARD SCHEMATIC
+8V
R127
1K
C115 0.0018
Q100
2SC2717
C113
0.01
C114
0.01
Q109
C1815
R120
10K
R159
10K
C131
0.1
RESET
SDA2
L100 8.2UH
C120
0.01U
C105
N/P
+33V
SDA
5
Q105
C1815Y
SCLASTU
3
4
C123
0.1
R156
3K3
R146
R147 1KR123 47
Q120
C1815
+5V
2
Q106
C1815Y
150
AGC
1
C124
10U/16V
T102
R157
3K3
Q102
A1015Y
L104
22UH
C122
0.01
D104
R156 10K
R141 1K
TU101
TUNER1
IF1
IF2
+33V
+5V
BM
6
7
8
9
10
11
R145
1K
ZD101
C127
33V
C130
0.01
R148 100
0.01
R170
0.1
C129
47U/16V
10
R996
100
C126
47P
D
C
C128
47U/50V
SCL
SDA
+8V
R149 10K
L106
CF102 6.5MHZ
CF101
N/P
+8V
R171
10K
+8V
A
R142
100
R143
100
R154 10
6.0MHz
R150 10K
R122
C133
47U/16V
Q110
C1815Y
10UH
10
R181
10k
C125
47P
R151 330
C154
R160
1K
Q108
IN4148
C1815Y
L102 8.2UH
C193
0.01
C121
470U/16V
R136
47
C132
Q103
A1015Y
R192 10K
R153
100
Q107
C1815Y
C116
0.01
C117
0.01
R137
R139 4K7
R140 18K
0.1
R152
10K
R128 390
R130
1K2
47
R155 330
L105 8.2UH
CF100 4.5MHz
Q104
C1815Y
R131
5K6
R129
100
+8V
L103
0.82UH
C119
VR100 30K
C100 0.22
0.1
FB710
0.01
V-SYN
H-SYN
C118
R135
R124
10K
SCL2
C992
0.01
R133
5K6
1K2
+12V
GND
1
C180
2SC2717
2
C458
56P
R100 1K
R101
C101 0.1
C103 22U/25V
C104 22U/25V
R103 470
R104 100
C991
+5V+5V
GND
SDA0 SCL0
GND
0.1
C990 68P
R125 33
R180
Q101
R134
100
3
180
SCL1SDA1
R132
1K
L101
C134
0.01
SAW101
K3955
4
5
1
2
3
4
5
6
7
8
9
10 11
R716 75
68P
1
2
3
GND
4
H-SYN
4053
5
6
GND
GND V-SYN
REST
7
8
C118
0.82UH
IC101
VIF
VIF
TADJ VP
PLL V-AGC
S-AGCGND
AF
VCO2
CAF VCO1
CVP/2 AFC
CVBS AGC
QSS FM
TDA9808
16
15
14
C
13
CVBS2
CVBS-OUT
12
11
CVBS1
CVBS3/Y3
GND
10
9
SIF
SIF
C112
0.01
SAW102
K9350M
1
20
19
18
17
16
15
14
13
12
C-BC-R
CVBS4/Y4
GND
ZD100
5V1
2
C108
C701 10P
YO/VIDEO0
C-O
100U/16V
3
0.22
+5V
GND
C111
4
L702
AFC-OUT
C700 10P
CN002
+5V
GND
5
T101
C110
0.1
10U
R106
22K
R105
22K
L452
28
DACM-L
SC1-OUT-R
4U7/16V
DACM-R
SC1-OUT-L
C482
DACM-L
26
27
VREF2
CLPL-A
4U7/16V
DACM-SUB
CVBS3/Y3
C486
0.001
25
DACA-L
AHVSUP
C481
CVBS2
C483
0.001
C471
29
30
31
3233
NC7
NC8
DACM-SUB
SC2-OUT-R
SC2-OUT-L
VREF1
34353637383940414243444546474849505152535455565758596061626364
C488
47P
C487
47P
4U7/16V
C484
C485
C106
0.22
4U7/16V
DACM-R
CN450
CVBS-OUT
CN803
DACA-R
CLPL-M
R465
10K
C470
47U/16V
23
24
RESETQ
AHVSS
R466
2K2
NC6
AGNDC
R467
22
2K2
R0
21
NC4
NC5
SC4-IN--L
SC4-IN--R
C472
4U7
16V
C480
0.1
C494
0.001
0.001
C493
R468
L0
20
2K2
C468
C469
C450 68P
DVSUP
SC3-IN-R
C474
4U7
16V
C492
0.001
R470
0.001
C491
R469
2K2
17
2K2
0.01
C451
12
13
14
15
16
C477
4U7
16V
C489
0.001
0.001
C490
R473
2K2
I2S-WS
I2S-DA-IN1
I2S-DA-OUT
SC1-IN-L
ASG1
SC1-IN-R
R472
2K2
R1
L1
Cb
CVBS4/Y4
ADR-DA
ADR-CL
ADR-WS
ASG2
SC2-IN-L
SC2-IN-R
C475
4U7
16V
R471
2K2
R2
L2
Cr
47U/16V
18
19
DVSS
I2S-DA-IN2
ASG4
SC3-IN-L
C473
4U7
16V
R3
L3
C
68P
10
11
I2S-CL
I2C-DA
VREFTOP
MONO-IN
C476
4U7/16V
CN451
0.1
C905
CN802
9
C478
C903 22U
R464
R463
8
NC3
I2C-CL
AVSS
AVSUP
C479
10U/16V
10U/16V
0.1
C904
10U/16V
100
100
7
STANDBYQ
ANA_N+
C465A
C465
56P
10U/16V
C467
C902 22U
C710
6
ADR-SEL
ANA_IN-
56P
L451
C461
L901 10U
L900 10U
0.1
5
D-CTR-I/O-2
ANA_IN2+
C464
3P
C459
0.1
MSP3410G
3
4
D-CTR-I/O-1
TESTEN
100UH
+5V
SDA
SCL
IC451
2
NC1
NC2
XTAL-IN
XTAL-OUT
X450
18.432MHz
C463
3P
+5V
C460
10U/16V
+8V
C462
0.1
C466
0.1
+5VD1
1
D
AUD-CL-OUT
TP
+5VD2
C
Q904
1SS33
10K
R902
10K
MUTE
D901
1SS33
R977
10K
CN800
D901
C926
R970
10K
R907 100
Q902
2SC1815
R955
10K
SVGA
PROTECT
HFLY
HOUT
EWOUT
ABL
D902
1SS33
R934
10K
0.1
C954
R998
10K
Q903
2SA1015
R954 4K7
R906
10K
Q900
C1815
1u/16V
C925 10U
A1015
C901
10U/16V
R900
10K
C978
33U/16V
D900
1SS33
+12V
+33V
+8V
P/N
IDEN
AFC
A
RESET
B
+5V
KEY0
6
7
KEY-0
KEY-1
VL
POWER
4K7
R929
2SC1815
Q901
AV1
10K
VOUT
ABL
VREF
VBLANK
CN801
CN905
W/B
R971 10K
4
5
P2.6
W/B
RESET
RESET-0
8V
GND
SCL
SDA
1
2
3
VGA
SCL1
SDA1
P5.1
P5.2
VPP MUTE
TEST
R999
C924
22U
16V
CN903
14
X901
4MHz
+5V
+12V
P0.0
SYS1
C953
R974 10K
0.1
12
13
SCART
PAL/NTSC
SYS0
AV1
R975 10K
82P
C922
0.1
11
IDEN
AV0
+8V
C923
100U
Q800
2SC1815
C734
1U
REMOTE
10
9
AFC
UHF
R976 10K
16V
IN4148
KEY1
8
KEY-2
VH
CN904
R831
D802
DFCOUSE
EWOUT
IC702 TEA5114A VGA01
16
R-OUT
15
14
13
12
11
10
0
FB-OUT FB1-IN
R705
300
C704
0.1
D701
IN4148
MUTE
+12V
+8V
GND
GND
GND
+5VD
+5V
POWER
C703
100U
25V
L700
10U
R752
R753 0
R756 0
B
+12V
CN901
FBR
VCC
G-OUT
FBG
B-OUT
FBB
Q752
2SC1815
R703
300
R904
R905 2R7
R1-IN
R2-IN
G1-IN
G2-IN
B1-IN
B2-IN
D702
IN4148
2R7
GND
Q751
2SC1815
R704
300
C944
0.1
C940
0.1
C996
0.1
C936
0.1
C932
0.1
1
2
3
4
5
6
7
89
Q750
2SC1815
D703
IN4148
470U/16V
C738
0.1
C736
0.1
C737
0.1
+12V
R750
220
R755
220
R758
220
C724
C725
0.1
0.1
IC913 7812
C945
470U/25V
IC910 7808
C941
470U/25V
IC915 78S05
C995
IC911 78S05
C937
470U/16V
IC912 7805
C933
470U/16V
C707
0.1
C705
0.1
C706
0.1
R73175R73075R732
R725
R751 270
R726
R754
R724 33
R757 270
C726
0.1
OUTIN
GND
OUTIN
GND
OUTIN
GND
OUTIN
GND
OUTIN
GND
33
270
J716 22U
C934
0.1
33
390
R722
C946
0.1
C942
0.1
C997
0.1
C938
0.1
75
C730
0.1
C732
0.1
C731
0.1
C735
100U/25V
390
R721
R720
C947
470U/25V
C943
470U/16V
C998
470U/16V
C939
470U/16V
C935
470U/16V
GIN
BIN
RIN
GND
GND
HSYN
VSYN
J724
J723
470
470
GIN
BIN
RIN
CLAMP
VSYN
VGA-SW
17 18 322322212019 24 25 26272829 3031
C959
100P
123456789
GIN
C714
0.1
1K
390
R766
+12V
+8V
+8V
+5VD2
+5VD1
+5VA
Q762
A562
GOSD
ROSD
B/U
RCLP
27
28
R767
220
Q701
2SA1015Y
R743
1K
RIN
V1/OSD-SW
GCLP
25
R763
1K
1000P
D704
IN4148
GOUT
24
Q761
A562
R733 100
C742
50V
R739
150K
VCC1
IC703 KA2500
VCC3
22
23
R764
220
R735
10K
R737
BOSD
ROUT
26
R768
1K R765
R738 15
L701 8.2UH
GND1GND3
15
BOUT
21
R760
1K
1K
IN4148
D801
1000P
VCC2
BCLP
20
C726
0.1
Q760
A562
CN700
D705
1SS133
R736
15K
C743
0.12
C744
HSYN
R705
100
1011121314 15
BIN
ABL
GND(L)
BLK
CLP
RCT
17
18
19
ZD720
R761
220
4V7
R762
1K
C808
R811
1K
C812
4U7/50V
R824
C815 0.1
C813
C814
100U/25V
R823
500V
SCL
GCT
16
C708
R804
4U7/50V
C811
0.01
330P
R706
100
BCT SDA
0.01
C733
1U/50V
6K8
C807
C828
R822
R715 10K
C951
+5V
123456
R933
3K3
R934
3K3
1K
1K
4K7
R701
220
+5VA
C816
R727
470U/25V
C792
220
0.1
R737
0.022
C801
820P
10
11
12
13
14
15
R812
16 17
82K
1K
R826
R709
R708
R707
C819
0.1
C790
C791
R833
0.1
0.1
1
H/HVIN
2
VSYNIN
3
HLOCKOUT
4
PLL2C
5
CO
6
RO
7
PLL1F
8
HLOCKCAP
9
HFOCCAP
FOCUSOUT
HGND
HFLY
HREF
COMP
REGIN
ISENSE B+GND
IC801 TDA9111
100
10K
R728
R801
R802
VCC
BOUT
GND
HOUT
XRAY
EWOUT
VOUT
VCAP
VREF
VAGCCAP
VGND
HBLKOUT
100
SDA
SCL
R827
5V
SDA2
SCL2
C957
0.1
Q801
C1815
1K
100
100
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
C823
0.1
2829
R
IC901 ST92196
VDD1
C820
25V
470U
C827
0.15
0.47
C926
100U
16V
R924
100
R925
100
22
23
24
25
26
27
B
G
FB
P3.2
SCL2
SDA2
FCPU
VSS1
VDDA
FOSD
VSYNC
HSYNC
303132333435363738394041424344454647484950515253545556
C958
47U
V-SYN
H-SYN
C821
0.1
C825
0.1
R814
1K
R813 1
R830 10K
J806 1K2
C826
100U/16V
C822
100P
2
3
45
IC902
24C08
678
R927 100
R926 100
R978 10K
R980
20
21
P3.3
P3.4
REMOTE
P2.1
C929
100P
R930
1K2
C927
100P
+12V
R816
47K
10K
19
P3.5
P2.2
R931
C928
0.047U
C920
0.1
1
18
1K2
17
P3.6
VT
C930
0.047U
180
C951
R972
10K
15
16
P3.7
VDD2
VSS2
OSC-OUT
C952
82P
C921
100U
16V
CN902
R740 4K7
ZD721
6V1
R909
CCVIDEO1
OSC-IN
A
ON/OFF
6
REMOTE
5
4
GND
KEY1
3
2
KEY0
+5V
1
C401
10u/16V
C402
0.1u/50V
1 2 3 4
PT401
R401 10
SW401
TV/AV
R406
1K
SW402
MENU
R405
2K7
R407
2K
SW403
VOL-
R408
6K8
SW404
PROG-
R4101KR411
SW405OKSW406
VGA
R409
2K7
2K
SW407
VOL-
R412
6K8
SW408
PROG+
CONTROL BOARD SCHEMATIC
Q401
2SC1815
R416
100
RED
GREEN
R413
6K8
R414
6K8
R415
100
Q402
2SA1015
L510
R546
0
CN506
R542
75
R540
75
L508
R541
68
P517
75
R543
L509
CN505
Title
A2
Date: 8-Jun-2002 Sheet of
File: D:\Program Files\Design Explorer 99 SE\Examples\PCB Auto-Routing\NEWMAI~11.DDBDrawn By:
主板键控板原理图
Number RevisionSize
P516 P515
R544
10K
0502-29F101-01
R545
10K
FRONT AV SCHEMATIC
A
1
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