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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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

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