Skyworth 6T20A Schematic

	1	2	3	4	5	6	7	8

R S2

L S2

GND

S S2

S2 SW

GND

DC S2 GND

FSC 5V-2

R S2

L S2

GND

S S2

GND

S2 SW

GND

C S2

AV-Y

GND

AV-C

GND

SCL

SDA

SYNC

-AV1 GND

A-MUTE GND

SGV

B-Y

GND

R-Y

GND

AV-L

AV-R

GND

C

TV-V

GND

GND

9V-1 GND

B

2.2u/50v1 AGC

100u

R046JSL

VT

BU

BH

BL

BM

AFC

100u/16v

68

0.04

5k6

0.82u

470

39k

2.2k

0.01

IF

0.22

0.01

2SA933S.Q

Y

R

G

B

2	3	4	5	6	7	8	9	10	11	0.01		820	91k					Y	R	G	B
												F337HSL						10	10	10
	0.1					47k	47k		100	2SC3355			open	0.01	1k	10-PL	open	DELETE	DELETE	DELETE	GNDV	V.OUT
	10k													0.22u/50p	2200p
										1k2	22			30k
					10k							0.01
												10U/16V			0.01	10u/16v					1500	1k
																						1/4w5.6k
					C1815Y							1000P

1k 2SA933S

1k

1k

PL-12 100U/16V 0.01

220

0.01

1		2	3	4	5	6
	IF VCC(+5V)		RIPPLE FILTER	SIF OUT	NC	IF GND
	LIMITER IN		3.8V	IF DET OUT	FILTER
			AFT OUT		OVER MOD	FM DC NF
56		55	54	53	52	51
		open		1.0u/50v	22u/16v

7 8
IF IN	IF IN
VCO	VCO
50	49
0.01

	2.2u/50v			10p				0.1	0.1	0.1		270	270	270		4.7u/50v
				4.43M
9	10	11	12	13	14		15	16	17	18	19	20	21	22	23	24	25

RF AGC	SIF IN	IF AGC	APC FILTER	4.43M X-TAL	CW OUT
TB1251N
DE-EMP	EHT IN	LOOP FILTER	VSH OUT	U-IN(Cb)	V-IN(Cr)
48	47	46	45	44	43
				0.1 0.1
0.47u				B-Y	R-Y

VCC(+9)		Ys/Ym
RGB
C IN		VCC(+5V)
	42	41
		470u/16v

EXIT R IN	EXIT G IN	EXIT B IN	Y/C GND	R OUT	G OUT	B OUT		V RAMP
E/W OUT	DC RESTOR	Y IN	SYNC IN	DIG VCC	BLACK DET	SDA	SCL	DIG GND
40	39	38	37	36	35	34	33	32
10
		0.1 0.1			1u

			1u	220k	390	390
	ISS133	0.01				IS133
1k			100
	0.01	PL-10		0.01	10u/16v	IS133	1/2w270
	100	2SC1740S

0.01 31 H OUT V NFB 26

27	28
V OUT	REF R
H VCC	FBP IN/SCP OUT
30	29
	1000u/16v
	10k

2200p

ISS133 22k

			22u/16v		0.1
ABCL IN
H AFC FILTER
	8.2k		8200
	1u

10k		68u	2SC1740S
	100u/16v

								0.01
2SC17409											100
				0.01		KETSU
		47	47	220			KETSU KETSU KETSU
	10k		12u							KETSU		KETSU
1k						KETSU
	150	TCF
				1 2 3 4 5 6 7 8
	TCF1113											B
					Vcc0Y	2X 2Y	Y1X-COM	COM-X 3Y	0X	3X	A
	8.2u								1Y	1VH	Vss	GND
240									TC4052BP
	8.2u			16	15	14	13	12	11	10	9
220

TCP1092			10k	10k
	0.01	470u/16v
8.2u	1u

330

TCF1010	270	220u/16v
	TCP1070	470
	470		-1	-2
	-V		SW	SW
	TV	100
	GND	2SA933S.Q

100

RN1204

10k

10k

RN1204

RN1204

2.2k

2SA933S

1k

1k

		470
33u		180p
	68k
		2SC933S
680	1u/50v	1500p	2SC1740
	560k	3.9k
		12k 2700p	3.9k

PL-10

0.01

ABL

AFC

10u/16v

0.01

+9V

0.01

2SC3852

47u/16v

+5V

100u/16v

7809

7805

1k

0.01

390

PC1093J

D608

L603

BYWB6

100UH

FB601

C620

C618

C619

220U

!

C622

R621

D609

BA158

22U/100V

560P

220U

100

C604

C621

680P/500V

R622

0.0047/2KV

C609

6.8K

10

ZD602

C607

R604

56K

0.0022/2KV

Q602

5V

68K

R605

!

!

!

C606

D601

C623

A1013

4.7V

F601

!

BA158 0.001/2KV

C624

+12V-1

D610

L605

AC_IN

L601

C605

D602 BA158

D611

100UH

BA158

0.0047/2KV

D614

BA158

R623

R606

C617

22K

IC505

IC601

BY152

L604

C632

1K

1

47

22U/100V

100UH

+28V

IN

OCP/FB

C627

C629

1000U/25V

SE105

GND

C601

2

R607

BA158

680p/500v

C630

D612

OUT

0.22/AC250V

C602

S

33K

100UH

1000U/35V

BA158

F6656-

3

ZD601

BY152

1000U/35V

+12V-2

2K2

9V1

0.22/AC250V

VIN

!

D

4

16V

C612

1000U/35V

R624

ZD603

D604

TH601

C603

STR

GND

5

R609

R608

BA158

680p/500v

100UH

Q604

0.22/250V

1K

0.22

R619

C1815Y

BY152

2K2

Q603

L602

C616

D606

R611

1000U/35V

1000U/35V

+8V

C1815Y

R626

A

IN4001

3K3

47K

!

820P

R610

680p/500v

D613

4K7

BA158

ISS133

3.3k

ISS133

3.3k

D603

C613

!

BA158

0.1

R617

8M2

!

2SC1815Y

9.1v

0.0022/400V

RN1205

220u/16v

36k

1

2

3

AV-L	22k
AV-R	10u/50v
	22k
	0.47u
3.9k	3.9k

2.7k						2.7k
10u/16v							0.01
				10u/16v
				0.1
1 2 3 4 5
			23	22	21		20
24
68						1k
2.2k				1.8k

4.3k				3.9k
1.3k			5.1k
0.47u					0.1
		4700p		47k
1k	110k
6 7 8 9 10 11 12
19	18	17	16	15	14	13
			1u		10u/16v	100u/16v	0.01

100

100open

open 100u/16v

0.01

GND

2.2u/50v			30		1
	8200p		29		2	1000
	0.027		28		3	0.22
2.2u/50v			27	TA1216AN	4	0.1
			25		6	1u
	1u/50v		26		5	0.1
	8200p		24		7	22u/16v
GND 0.01	0.027		23		8	W OUT
R OUT			22		9	100
L OUT	100		21		10	0.01
0.01	100		20		11 10u/50v
1u/50v			19		12
1u/50v			18		13
1u/50v
			17		14
SCL		100	16		15
SDA		100
						22k 22k 22k

8.2k	6.8k	4.7k

GND

W OUT				10U/16V	8.2K
R OUT				2.2U/20V	2.7K
L OUT	A.R			2.2U/20V	2.7K
A.L				OPEN
				OPEN
		25A1015Y		2SC2878A	0.1
				27K		3.3K
			IS133	100K
	10K	10K		2.2U/20V	2SC2878A
				2.2U	22K
2SA933S.Q
	47u/16v
		100k
10k

TA8256BH	MUTE	FILTER	MUTE.T.C	OUT L			OUT W	OUT L
IN W IN R GND IN L					VCC	GND

	1 2 3 4 5 6 7 8 9 10 11 12
1U/50V				47U/25V	4.7U/50V			2.2ISS133
5600P	5600P	1U/50V	1U/50V			ISS133			ISS133	ISS133	2.2
											ISS133
8.2K		8.2K	2.2K		OPEN		1000U/35V	0.1	1000U/35V		0.1
					OPEN
2.2U
22K	2SC2878A				22U/16V
								1000U/35V
				RN1204

ISS133

2.2

0.1

WOOFER

1000U/35V

GND

GND

L-OUT

H/P MUTE

R-OUT

D

1	2	3	4	5 6			7	2SC1740S
TC4066BP	AINVcc	AOUTACONT	BOUTDCONT	DINBIN	BCONT	CCONTCOUT	CINVss	1k
					DOUT
								100k
14	13	12	11	10	9		8
0.01								47k
100u/16v								2SC1740S

SYNC-AV1

		PL-10
	0.01
SDA	3.3K	3.3K
SDL
100		100
8.2k
3.9v
1.5k	5.6k	1K
	1.5K	4.7K
VD
HD
Y
B	OPEN
G	820
R	820
	820
SGV

0.01

10P

10P

10P

10P

PL-10	10U/16V		42
			DA42
			41
			40
			39
	100		38
	100		37
	10K	100P	36
	1K		35
			34
			33
	0.01		32
			31
		TCR1056	30
			29
			28
	1K		27
	1K		26
	680		25
	6.8K		24
	6.8K		23
	6.8K		22

TMP88PS38N

VDD(5V)		GND
SDA-ITT ITT RESET
SCL-ITT		RMT OUT
(VVSS)		MUTE
SDA1	EXT MUTE
SCL1		IF M-SW3
SYNC-AV1 POWER
RMT IN		LED
FM/NICAM NTSC
RST	SECAM SW
XOUT		SCL0
XIN		SDA0
GND	MAIN SYNC
(OVSS)		APC SW
(OVDD)		IF S-SW1
VSYNC		AFT1 IN
HSYNC		KEY-A
YS/YM		KEY-B
B		SGV
G		IF S-SW2
R		(I/O-OUT)

1
2		100
3		1K
4		1K
5		1K
6	0.01	220
7		100
8		1K
9		100
10		100
11
12
13	27P	10K	22K
14		1K
15		1K	4.7K
16		1K
17		1K
18		1K
19
20		1K
21
	1K		10K
	ISS133		100

	4.7K
			2SC1740S
	4.7K
						2SC1740S
	4.7K
		10U/16V		8	VDD	A0	1
	4.7K	47	0.01	7			2
					WP	A1
				6			3
				5	SCL	A2	4
					SDA	GND
	10K	10K
					BL
			33K		BH
			33K
	4.7K
	10K

			100k	0.056		560k
	56/1w
	+5V			0.056
	330
	5.6v			LA78335
		ISS133	1	3		5 6
100K	9.1v			2 120p/500v	4 0.056		1000p	7
	10/1w
	9V (H.VCC)		1/2w1.5
	V_GND
R636	390		0.22
	V.OUT		1k		220u/35v
			91k					100v/35v
			62k

ISS133

ISS133

ISS133

SW-1

SW-2

	HD
VD
	RN1201
82k	3900p	1/2w1.8k	ISS133

IS1887FA	3.3k
4.7u/100v	open
	2SC1740S.Q	6.2v
	6.2v
	2SA1798E

C

								10u																		68
										0.1										0.1
3p																											10/16v
		18.432M							100u											100/16v
				50p		50p		0.1												0.1
3p																				10u					10u
64	63	62	61	60	59	58	57	56	55	54	53	52	51	50	49	48	47	46	45	44	43	42	41	40	39	38	37	36	35	34	33

AUD CL OUT NC

NC XTALOUT

NC XTALIN

D CTR OUT1 TESTEN

D CTR OUT0 ANAIN2+

ADR SEL ANA IN-

STANDBYQ ANAIN1+

NC AVSUP

SCL AVSS

SDA MONOIN

I2S CL VREFTOP

I2S WS SC1 INR

I2S DA OUT SC1 INL

I2S DA IN1 ASG1

ADR DA SC2 INR

ADR WS SC2 INL

ADR CL ASG2

DVSUP SC3 INR

DVSS SC3 INL

I2S DA IN2 ASG4

NC SC4 INR

SC4 INL

AGNDC

AHVSS

CAPLM

AHVSUP

VREF2 CAPLA

DACM R SC1 OUTL

DACM L SC1 OUTR

NC VREF1

DACM SUB SC2 OUTL

NC SC2 OUTR

MSP3410D

NC

NC

RESETQ

DACA R

DACA L

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32
								100												10k					0.01					0.01
													33/16v					0.1				10/16v
																											A.R	A.L

GND

KEY-A

KEY-B

RMT IN

RMT-OUT

TIMER

B

56k	270k	10k
		1k

150k	27k	0.1	RU4Z		1200p/50v
1M			180
			0.27	4.7k	0.018	GND
ISS133	820k
						GND
100k	0.1					NC
		AFC				+200V
						HEATER

ABL

1k

2SC1815Y		8100	2200p/100v	12k	!
11k	100k				v
10k	220			10

	3.3k	EU2A		9
	2200u/35v
		!	4.7	4
		470p/500v
			1/2w15	7
		330u/25v	EU2A	6
	1/2w33k
	5600p/630v		EU2A	5	EH
100k	12v	33u/250v			EF
		33u/16v	33	2	ES

1/2w6.2k	1M				!	!	!
	0.47u				0.02M	0.3u/200v
				5w1.5k
				TLN1096			1	8
6.2v		0.047/500v			2SD2553
		330		390p/500v		7500p/1.5kv	9100p/1.5kv
		820p/500v						0.047u/200v
	2SK117-Y	330		2200
1k				!	1/2w56
		2SC5360	2.7k

ERB44-06

0.018/630v

ERC20-26

1.2M

TEM2011

120

100

2.2k

620k

SC570A

TLN2139

0.68u/400v

75k

A

1k

3300u/25v

TLN2038

2.2k

1000p/15kv

1/2w1.2

TLN2168AH

0.22u/100v

0.022u/630v

10U/16V

1u/50v

PNP

150k

51k

0.91

Title

+9V-2

R

G

B

GND

GND

VM

EF

Size

Number

Revision

V.DY.

H.DY.

A2

Date:

8-Jun-2002

Sheet

of

File:

C:\Documents and Settings\Administrator\ Drawn\ By:

2\

\

\

4	5	6	7	8