Text preview for : KD-020 STEREO.pdf part of China Schematics tv chassis KD-020 with TMPA8873 (N201), 24C08 (N221), TA1304 (N740) 2xUTC2003 (N720,721), LA78040 (N301), FSCQ0765 (N501)
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Color tv schematic diagram
TMPA8873/91 AV Stereo (KD-020)
A101 38.9MHz
BAND2 BAND1 AGC
N720 UTC2003
FEEDBACK OUTPUT OUTPUT
N710 UTC2003
FEEDBACK
MB
VT
IF
INPUT
INPUT
GND
VCC
GND
VCC
L
R C750 0.022 C732 4.7uF C733 0.01
20 22 21 Vcc(9V)
C731 47uF C748 0.047
C747 2.2uF C749 0.033
L C744 0.027
C746 2.2uF C745 8200
R
+5V-2
R103 12K C104 4.7uF BAND2 BAND1 C103 4.7uF
5 +18V D
4
3
2
1
5
4
3
2
1
C101 4.7uF
C236 25V 10uF VIDEO OUT
R101 22K V101 2SC1815Y R832 0 R831 82 C831 220uF XS800 V-OUT
D
L OUT
HPF (L)
LPF (L)
C724 100uF C723 2.2uF R722 3.3K
R723 560
R OUT
LPF3
LPF2
LPF1
R726 4.7 C726 0.01
R724 220 R725 4.7
R726 4.7 C726 0.1
R714 C714 220 100uF R715 4.7
SDA
SCL
C713 2.2uF C712 0.01
W.F
C711 R711 2.2uF 10K N740
V.F
BAND2 BAND1
VT
C701 1000uF
24
16
23
19
18
17
15
14
13
R713 560
R731 R732 100 100
W731
W732
C105 0.01
C106 47uF
R102 56k
AUDIO L OUT
TA1304N (TA1343N) Port 1 (O.C)
R834 100 R836 10K
C832 10uF
L-OUT
AV_OUT
C725 470uF
Port 2 (4)
Port 3 (3)
Port 4 (2)
O.C (1)
HPF (R)
LPF (R)
W OUT
Filter
GND
R IN
L IN
C722 0.01
W731
R712 3.3K
C721 R721 2.2uF 10K
R-OUT C833 10uF
C102 0.1
R104 1K
AUDIO R OUT R833 2.2K C812 1uF R807 1K C805 10uF C811 1uF
R835 100 C813 10uF
10
11
C740 2.2uF
C741 4.7uF
C735 0.039
C737 0.039
C738 0.015
C739 2.2uF
C742 0.027
C734 10uF
C743 8200
12
1
6
7
2
3
4
5
8
9
C736 0.01
SDA
SCL
V721 2SC1815 XP731 L-OUT 5W/8 R-OUT 5W/8 XP711 XS731
1 2 1 2
V711 2SC1815
R816 0 R813 100
V-IN 1
C715 470uF
R L
L-IN 1 R811 100 R-IN 1 R812 R814 R815 22k 22k 82
AV_1
XS711
V701 2SA1015Y D701 4148 R701 10K
+110V
+9V
C703 16V 100uF
+9V
16
15
14
13
12
11
10
D702 4148 C704 16V 4.7uF R702 5.6K D703 4148
AV R IN AV L IN R604 2W 12K
+33V
R572 33K N631 UPC574 R213 1K R211 22K R204 33K V211 2SC1815Y N801 TC4053BP R203 33K C205 0.1 R202 33K C204 0.1 C203 0.1
2 3 4 5 6 7 1 8
9
C816 10uF C815 1uF R820 100 R819 22K C814 1uF
AV-2 Board R822 0 XS803
4 3 2 1
XP004
4 3 2 1
V-IN 2
C632 4.7uF 50V VT BAND2 R107 220 Z101 LBN2955 R229 120 C108 0.1 C110 0.01 L101 1.2uH R110 560
L-IN 2
R818 100 R821 R817 82 22K L-IN 2
C211 220
BAND1 CXXX 47uF 16V
1 C 2 3
N703 HS0038
XS201
1 2 3
R108 3.3K C109 0.01 V103 C1674 R109 1.2K R106 100 R105 150 R314 10
+26V
MUTE RMT-IN
4 3 2 1
N221 AT24C08A
VSS A2 A1 A0 SDA SCL TEST VCC 5 6
C229 47uF C232 0.01 C231 47uF
IF
C
Sync. R224 10K R225 10K C222 10uF
R111 22
(8891 ADD)
R801 27K
XS804
Y C
S-VSH
7 8
9V B G R
+5V-2 3
1 2 3
Rxxx 2.2K
N573A D400
1
R806 10K
C306 35V47uF V302 2SA1015Y
R310 2.7K
R312 2.7K R311 4.7K R802 82
R227 22K R260 10K XP01 S201 CH + XS201
1 1
R222 10K
L261 10uH
R234 3.3K
R235 220K C235 1uF
L201 10uH
C206 0.01uF C205 47uF C262 1000 R262 150 C266 10uF C263 0.47uF
34 DC FIL
C573 470uF 16V
2
R282 R228 R221 1K 0 1K C212 220 R223 1K
61 60 59 58 57 56 55 54 53 52
R569 10
R570 470
D562 5.6V
V801 2SC1815 R259 22K R301 8.2K C303 0.1 C808 0.033 R306 39K
R302 100K R303 270K
R304 10K
KEY
64 63
C223 100
62
R226 10K
C267 C266 0.01 47uF
R230 R231 270 270
R232 270
C234 2200
C233 1uF R233 220K
R112 1.2K
C301 35V47uF
R308 18K
R309 47K RP301 B-50K
V303 TIP122 VD301 X
RP302 B-10K V301 2SC1815
Y R315 2W5.1 Cb Cr
51
50
49
48
47
46
45
44
43
42
41
39
38
37
36
40
35
S202 CH -
POWER
BLACK-DET
SYNC IN
VDD 5V
VIDEO OUT
TUNER
MUTE
TV/AV
R01 5.6K
33
C267 1uF
C264 0.01
C265 10uF
TV-L TV-R
DVD
C304 0.1 R305 1K
R307 5.6K
SCL
SDA
TV-GND
VCC 9V
IF GND
GND
PIF PLL
50/60
IF IN2
IF IN1
RF AGC
IF AGC
G OUT
R OUT
SYNC
VCC 5V
AU OUT
B OUT
SIF IN
REGF
IF 5V
APC
C308 50V4.7uF
L301 410UH
R805 R803 R804 82 82 82
IR
S203 VOL +
R02 8.2K N201 R03 10K
U/V L/H
C302 470uF
8873CPANG6PR6/6KU3
AUDIO OUT1 AUDIO OUT2 EXT A IN1 EXT A IN2 EXT V IN TV GND SIF OUT TV OUT V SAW H OUT V OUT
C261 0.01uF R254 150 R256 100 (8891 ADD) W815 2Vp-p R255 3.3K V242 2SA1015Y W243 150
C236 47uF 16V Y Cr Cb in
S204 VOL -
CPU 5V
KEY IN
TV GND
X-TAL1
X-TAL2
RESET
H AFC
TEST
TV IN
Y IN
ALC
S205 MENU
R04 15K
10
11
12
13
14
15
16
17
9V 8
18
19
20
21
22
23
C IN
VSS
FBP
CB
CR
24
25
26
27
ABL
VSS
28
29
30
31
R219 R218 R220 C243 100 100 1K 0.01 R05 33K R214 R215 10K 10K V644 2SC1815Y C241 33 C201 0.01 R655 10K R241 1K
G241 8M C242 39 C244 47uF L241 10uH C245 0.01
R248 8.2K
S206 TV/VIDEO
C247 8200
R201 33K
C246 0.1 C253 0.01
C249 47uF
C250 C251 C252 1uF 1uF 1uF R251 R252 R253 100 100 100
C801 C802 C254 0.47uF 10uF C804 0.01 2.2uF R253 1M C255 0.47uF
R809 R810 100 100 (FM/8891 CANCEL) C803 R261 2.2uF 3.3K
32
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2
3
4
5
6
7
8
9
K9N RGB_OUT R902 100 1Vp-p XS201 XP902 8V R G B GND L901 Jump R904 4.7K C901 470 V902 BF422 D901 4148 R907 2W18K
2 1
K9N
2 1
KEY BORD
R245 10K
D242 4148 C248 0.47uF R247 15K
R244 8.2K V241 2SA1015Y
R243 470 D243 HZ6.2V
+9V +5V-2
1 2
5 4 3 2 1
B
R906 560 CRT2 R908 3.3K R918 3.3K R917 2W 18K R928 3.3K
B
!
N502 PC817
R656 10K OFF ON R645 10K V642 2SC1815Y
D241 HZ3.6V
R242 4.7K
C257 1uF
3
D244 4148
4
R258 10K ABL R257 100K SCP
5
D503~D506 IN5399
C506 1KV 102
!
3
T511 TA40
10
C507 150uF 450V
R520 120K 0.5W R507 120K
R504 3W 68 C509 2KV 680 C511A 1KV 1000 V503 ST8812
7
11
R912 100 R914 4.7K
V912 BF422 D911 4148
+5V-1
C503 1KV 102 AC160----240V D514 4148 D517 FR107 D518 4148 D519 8.2V R523 3.3K C514 0.1 R513 22
13 14
R522 15K R524 3W 68
9
C652 100uF 16V !
N572A 78L05
3 1
R652 120
+9V
XS401
5 4 4
L410 LHDY C911 470
R916 560
C939 2KV2000P
R511 5.6K
2
15 1
N502 PC817
N301 LA78040 StandBy V-OUT
Reference
L441 37uH
3 3 2 1 1 2
Input
2
12
D601 RU3A !
3
R515 22K
C503 0.01
!
R530 0.5W12M C519 2200 D509 3.6V
T511 TA40FK
10
! C506 1KV 102 WIDE POWER AC100----240V
C601 470/1KV
11
R622 100K 0.5W C611 160V 100uF RP621 B-2K D602 FR107 R625 5.6K
V531 2SC1815
R536 47K 0.5W R628 150K 0.5W R621 22K
GND
Vcc
R517 560
Output
C517 0.022
Out Vcc
16 +110V
Punp Up
V511 A1015
D516 4148
R509 2.7K
V512 C3807
R441 1/2W 1K
R922 100 R401 6.8K R402 3.3K H-OUT C443 0.39uF 250V D442 FR107 R447 22K C442 4700
+180V
V922 BF422 D921 4148
R927 2W 18K
R601A 47K 1W
XS441
1
XP901 R924 4.7K C921 470
1
2
3
4
5
6
7
D621 HZ6.2
C403 1500
+180V
C401 R417 10 1 C412 0.1
C402 1uF
R446 5.6K
HEAT R445 3W 2.2 ! T442 160V
HV KFC
2 3 4
R926 560
R900 10K V932 C1815
C447 1uF
8
!
XS501
1
! RT501 MZ73B-9
3 2
13 7 14
D503~D506 IN5399
C507 450V 150uF
D603 RU3A R603 3.3K 0.5W
C612 250V22uF
R602 0.5W220K R641 2W 1
+26V
L401 18uH C411 1000uF 35V R416 33K
1 1
R502 NTC-10D
C521 0.1
C553 470/1KV
9 15470/1KV
C404 35V 100uF D401 IN4004 R419 R420 820 22K R415 10K C415 25V 1000uF C414 0.1
R418 1/2W 180 R246 330 V431 2SC2383
V441 TT2190 R433 0.5W 1K C433 1000 500V C432 3900 500V C441 47uF 35V R411 2W 270 T441 BCT-10F !
C445 C446 9n1 X 1.6KV
7 6 3 5
C933 X
R935 82 C934 0.47u D933 4148
C503 1KV 102 D508 4148
C518 50V/10UF
D517 FR107
R513 8.2 1 D510 FR107 R512 2.7K
2
C604 C613 330uF 35V
D441 RU4DS L424 Jump C444 0.047 D442 RU4C
+110V
2 KSC 4 1 9
!
A
L501 LCL-12F
C501 ! 0.1µF 250VAC XP501
1 2
R507 120K R501 220K 0.5W FU501 3.15A/250V ! C512 1000/2KV R509 120K
1
D604 EU2
16 12
R607 2W 1 C614 1000uF 25V D555 RU3A ! R646 10K
V643 B772
+13V
R608 3W 27 N651A AN7809
1 3 +9V
R249 330
C448 1uF XS423
1
N501
FSCQ0765
2 3 4 5
R526 1K D511 4148
! XS502
1 2
L503 0.5uH D514 18V C517 50V/10UF R515 2.4K
!
R530 0.5W12M
C413 2.2uF
R413 1W 1
R414 1W 1
180V HEAT GND
A
C651 16V 470uF D622 4148 R647 1.2K
R448 5.6K
2 3 4
C511 33n
C513 470P
!
!
! KDC-A04
TJC1-2A
C520 2200 AC400V
2
C615 470uF 25V
+18V
R605 2W 1
R450 10K
1
2
3
4
5
6
7
8
9
10
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12
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