KONKA BT5080H, BT5060H, BT4360H Schematic

POWER BOARD XS805

XS606

1P

SPLITTER

ANT INPUT TO P-TUNER BOARD

C688

0.01

U110

NV01

L611

2.2uH

C689

0.01

V602
C1815

321

1

3

2

CB01
47u/16V

C690

100/16

RB05
470

L610

2.2uH

RB09 47

POWER ON

GREEN

REMOTE ON

RED

R283

R282

10/.5W

10/.5W

C284

C283

0.1

0.1

R281

C281

KEY1

100

VD320
IN4001

C635
100

R688
10K

R644 10K

R643

C684
22u/16V

1K

1000uF/35V

R694

4.7K

R689
10/0.5W

C634
100

R642 10K

R641

1K

KEY2

R625
100

R624
10K

V613
BF370

R640
100

REMOTE

WP

C633
27

R616

2.7K

C618

C282

27

0.1

H COUNT

R670
1K

R681

4.7K

R680

6.8K

V609
RN1206

VD609
1SS131

R684
10K

+9V H.Vcc

C625

0.01

C630
100

VSYNC

HSYNC

SDA1

R615

R614

100

100

C619

27

R672

4.7K

R671

4.7K

VD619
1SS131

1234

R334

R335

3.3K

VD615

VD616

RGBYs

1/2W(F)

+9V

R682
10K

100

R673
10K

1235 RESET

C679
470uF/16V

VD603
1SS131

C673
470uF/16V

C670
47uF/25V

C645
100

C644
100

R657
1K

R660 10K

R658

100

SUB MUTE

C676

0.1

R656

10K

R655

2.7K

SUB VOL

R609
10K

XS603

C643
1/50

1

1

1

1

R654

R697

2.2K
V611

2SC1815

JP

JP

C646
100

C650

0.1

JP

R661 10K

R665

1K

C647

0.1

R664

R659

270

Vpp

TEST0

CONV. 1

R607

CONV. 3

V COUNT

330

C604
100

R604

4.7K

YPbPr_SW

12345678910111213141516171819202122232425262728

R600
1K

C600

100
C602
100

C603
100

R608

4.7K

R602

R612

4.7K

SW1

RESET

SERVICE

CONV. 2

R605
1K

330

R601

330

R611

330

R606

C601

10K

100

R603

4.7K

V612
RN1206

N310

PR09RD11
3

N311

PQ05RD21
3

N312

PQ05RD21
3

N313

PQ20RX11

5

C642
100

R652

100

100

MAIN MUTE

POWER

R610

2
4

C680

C681

47uF/16V

0.1

R692 1K

2

+5Va

4

C677

47uF/16V

2

+5Vd

4

C674

47uF/16V

3

+10V

2

4

C671
47uF/16V

C640

C641

C639

100

100

100

C638
33

R647
1M

R650 3.3K

R651 3.3K

R653 10K

R648

R649

100

100

SCL2

SDA2

ITT RESET

1K

CONTROL

OSCIN

N303

ST92196A

CCVIDEO_M

SPLITTER GAIN

C611
1/16

C605
100

C613

0.01

L602

2.2uH

4321

C615

SCL

SDA

0.01
C616

47/10

PCF85116

XS601

123456

KEY2

KEY1

LED

VD50

VA99
2SA1015Y

+5V

654321

RB01
470

REMOTE

XSJ01A

SA05

VIDEO

SA01

CH UP

RA73

2.7K

RA77

RA76

10K

JP

RB02 470

SA06
MENU

SA02

CH DOWN

RA72

3.9K

SA03

VOL UP

RA71

8.2K

SA04

VOL DOWN

V607
RN1206

V608

RN1206

VD611
1SS131

A

JP

R687
220

R693

2.2K

R690

6.2K

R691
2K

C636
100

C637
33

R646 10K

Z601

4MHz

R645

3.3K

LED

Vss2

OSCOUT

CCVIDEO_S

Vdd2

C612
1/16

C614
1/50

R619

100

R618

5678

SCL1

SDA1

1234

N304

AUDIO +20V AUDIO GND

XS410A

XS201

TO XSP04

N305

TDA8946J

AUDIO AMP

NC

GND1

Vcc1

VD612 1SS131

R284
22K

+9V

C686
220u/16V

VD606
1SS131

1SS131
VD605

R677
1K

C626
1/50

C628
100

Vss1

FCPU

R6281KR6291KR630

C620
27

XS604

4*1SS131

VBLK

CONV. 1

R686
470K

VD608
1SS131

C623

0.01

29303132333435363738394041424344454647484950515253545556

Vdd1

CONV. 3

R695
10K

V604
RN1206

V605
2SA1015

R

1K

OUT1+

C285
1u/50V

22uH

CONV. 2

OUT1-

1234567891011121314151617

R685
1K

V606
2SA1015

R683

2.2K

VD607
1SS131

C629

0.047

C627

0.047

R638

R639

1.2K

1.2K

Vdda

FOSD

FBBG

SCL1

R627
100

R617

2.7K

3.3K

3.3K
R336

VD617

VD618

XS411A CONV.

NC

IN1+

C289 1500

C288

C290

0.22

0.22

R285 2.2K

R678
1K

R635
10K

V601

2SC1815

V602

C624
1/50

2SC1815

C621
220/10

L601

123456 12345678

+33V

+11V

XS412A

R632
47K

R636
10K

C622

0.01

MODE

IN1-

IN2-

C292
1500

C291

0.22

R633

R634

47K

47K

R631
47K

VD601

6.2V

654321

+7V

+20V

STANDBY

SVR

R289

2.2K

V603
2SA1015

R620
1K

C296

10/25

IN2+

R290
10/.5W

C295

0.22

R621
1K

NC

OUT2-

C297

0.1

+5V-1

REMOTE

GND

OUT R-

OUT R+

OUT L-

OUT L+

54321

GND2

Vcc2

OUT2+

R292
220

R293
220

R399
NC

DAC3

VD2 OUT

HD2 IN

VD2 IN

123456789101112

R330
470/.5W

R331

220

1/2W

VD301

1SS131

VD305

1SS131

VD306

1SS131

GND

RESET

POWER

ON/OFF

XS413A

R291
10/.5W

C298

0.1

R+
R-

L­L+

R398
NC

C390

0.1

C391 1/16

DAC1

VD1 OUT

HD1 IN

SYNC2 IN

SYNC1 IN

VD1 IN

AFC FILTER

AGND

C386

0.01
R391

6.2K

R392

C387

360

1/16

VD302

9.1V

VD303
1SS131

R318

R317

100

2.2K

R322
NC

R321

C320
R329
NC

8765432187654321654321

SCL1

JP

0.01

28272625242322212019181716151413121110987654321

DAC1(SYNC OUT)

I2L Vdd

C331

R332

0.01

100

SDA1

R396

470

ADS

TA1318N

HVCO

Z302

C319
100

VP OUT

SCL1

R343

3.3K

+9V

(TA1317)

SCL1

Vcc

CSB503F30

R316
47K

H-OUT

SDA1

C691

0.01

C389

0.01

V306
2SC1815

R319

10K

R333
100

R339
150

NC

R395
470

SDA1

DAC2

R393
10K

DEF/DAC GND

I2L GND

R342

3.3K

10/50

H.CURVE

C692

FBP IN

HD2 OUT

VD3 IN

R314
10K

ANALOG B IN

C332
1/16

XS414A

VD610
UPC574J

DGND

HD3 IN

C388
1000/16

R315
10K

C321

0.01

C318

0.1

H CURVE CORR

ANALOG G IN

C333
1/16

R338

150

R341

3.3K

654321

VP

GND

2SA1015

R337

131415161718192021222324

V305

ANALOG R IN

150

GND

HD1 OUT

CP OUT

Z301

CSB503F30

H.F. SW

C334
1/16

C335
1/16

C337
1/16

87

R313
12K

VD304

6.8V

VBLK

+5Va

+5Va

SYS1

+33V

C693

0.01

C695

C694

0.01

0.01
L615
FB

ITT RESET

SDA1

SCL1

GND

20 19 18 17 16 15 14 13 12 11

C394

0.1

N302
SYNC

PROCESSOR

R312
12K

R311
1K

R310
2K
C315
1000/16

C317

4.7/16

C314

0.01

C316

470

R308

0.01

HVCO

AFC FILTER

SCP OUT

DEF/DAC Vcc

VIDEO PROCESSOR

OSD R IN

OSD G IN

OSD B IN

DAC2(ACB pulse)

R340
NC

C336
1/16

VD308 1SS131

VD307
1SS131

+15V-FBT

+15V-FBT

C338

0.01

SYS0

ITT RESETNCGND

+5Vd

R361
10K

GND

L616 FB

+5Va

SCP IN

N301

RGB Vcc

C339
16V/100uF

L305
22uH

H.DRIVE

SUB V

L614
FB

GND

HD1 IN

B OUT

R344
10K

GND

XS415A

SUB U

SUB Y

SW1

+9V

VD1 IN

TA1316AN

G OUT

R345
10K

V312
C1815

GND

H.AFC

GND

1235 RESET

SYNC IN

R OUT

GNDL+L-

GNDR-R+

SCL2

SDA2

+9V

GND

L IN

GND

R IN

XS202

1234567

JP

JP

SUB V Sync

C348
NC

C369
47uF/25V

C368
100/16R379

VD315

R381

12V

4.7K

R380
10K

系列彩色背投电视机电路图

（主信号板）

BT-H系列-DL1

1

C371

0.01

N314
BA12T

2

C370
47uF/25V

L309

4.7uH

41003181(1/8)

2003.09.04

JP

3

SCL2

20

SDA2

19

+9V

18

+9V

17

GND

16

MAIN L OUT

15

MAIN R OUT

14

GND

13

MAIN L IN

12

MAIN R IN

11

GND

10

SUB AUDIO

9

GND

8

GND

7

SUB VID

6

GND

5

MAIN VIDEO

4

GND

3

SUB VOLUME

2

AUD MUTE

1

XSV02

XSV01

COMP. SW

20

GND

19

SUB C OUT

18

SUB Y(V) OUT

17

GND

16

MAIN C OUT

15

MAIN Y(V) OUT

14

GND

13

GND

12

RGB B

11

RGB G

10

RGB R

9

GND

8

RGB Hsync

7

RGB Vsync

6

GND

5

GND

4

COMP. Pr

3

COMP. Pb

2

COMP. Y

1

XS301

GND

10

VSM

9

GND

8

GND

7

R

6

GND

5

G

4

GND

3

B

2

+12V

1

TO CRT-G XS502

MAIN C

MAIN Y

R378 1K

V318
RN1206

V319
RN1206

V320
RN1206

GNDL+L-

GND

SUB V

C367

0.01

GND

1234567

L617
FB

+9V

SDA2

SCL2

SUB U

SUB Y

GND

SUB H Sync

VD314
1SS131

2.7K

2SC1740

V322

BT4360H/BT5080H/BT5060H

H

XS203

SUB H Sync

SUB V Sync

GND

SUB Y IN

SUB C IN

GND

GND

MAIN VID OUT

XS102 XS101

H Sync

V Sync

GND

Cr OUT

Cb OUT

Y OUT

9883 V OUT

9883 SOG OUT

12345678910

XS605

1234

C342

R364
100

R365
100

R366
100

C306

C307

C308

0.01

0.1

0.1

Cr IN

Y2 IN

Cb IN

G S/H

R S/H

Ys3(analog RGB)

C343

0.01

R347

0.01

C347

C346

NC

NC

R358

2.2K

R359
1K

V311
A1015

R367
100

R368
100

R369
100

C310

C309

1/16

0.1

VD2 IN

HD2 IN

COLOR LIMITER

RGB GND

Ik IN

B S/H

R346
10K

C341

0.01

C340
1/50

C344

C345
NC

NC

JP

R360

5.1K

C360
10

C361
10

C362
10

ABL

470

XSM01XSM02

MATRIX SW

Ys2(OSD)

R348
470

22uF/16V

C357
NC

VD310

1SS131

R371
820

V315
2SA1015

R373
820

R375
820

V317
2SA1015

Y/C GND

Ys1(OSD)

R350
470

C349

C355

0.33

A933AS
2SA1015

C356

0.1

R355
10K

R372
820

R374
820

R376
820

C380

0.1

Ym/P-MUTE/BLK

R353
10K

SUB VID

COMP. Y

GND

COMP. Pb

GND

COMP. Pr

ABCL IN

R354
100K

VD311

8.2V

R351

VD312

SUB AUD

3.3K

GND

C302

2.2/16

VSM OUT

R352

1SS131

C364

0.01

GND

RGB V Sync

NC

2SC1740

R388
1K

MAIN R OUT

RGB H Sync

V303

MAIN L OUT

GND

R301
NC

BPH FILTER

Y/C Vcc

L306
22uH

V321
2SC1740

C366

0.1

GND

RGB R

DARK AREA

56555453525150494847464544434241403938373635343332313029

MAIN R IN

RGB G

C301
1/16

DET FILTER

APL FILTER

C352
10uF/16V

C351

0.01

C350
100uF/16V

R377
1K

MAIN L IN

GNDR-R+

10987654321111213141516171819201098765432111121314151617181920

RGB B

GND

1098765432111121314151617181920

R385
100

C377
NC

XSV08

XSV09

BACK TERMINAL BOARD

Y

Cb

Cr

R

L

Y

Pb

Pr

Y/Pb/Pr IN Y/Cb/Cr IN

R

RV43
100K

RV44
100K

RV53
100K

RV40
82

RV41
82

RV42
82

RV50
82

RV51
82

RV52
82

RV47
100

RV48
100

RV49
100

RV57
100

RV58
100

RV59
100

CV53
1000

CV43
1000

CV44
1000

CV40 47uF/16V

CV47 0.01

CV41 47uF/16V

CV48 0.01

CV42 47uF/16V

CV49 0.01

CV50 47uF/16V

CV57 0.01
CV51 47uF/16V

CV58 0.01
CV52 47uF/16V

CV59 0.01

RV08
470K

+9V

1
2

CV07
470P

3
4
5
6
7
8

9
10
11
12 13

CV85

0.1

Cb

Cr

Y

COMP. SW

Pb

Pr

BA7657F

NV2

CW52

0.47

OUT+GNDOUT-

5678

RV143

2.2K

CW57
NC

RV150
10

RV144

8.2K

RV151
10K

100/16V
CW54

RV147
1K

CW58

0.1

RV145

2.7K

RV148
10

CW56

0.01

CW53

0.01

AUDIO PROCESS BOARD

C266
10uF/16V

N201

BD3867AS

C250

4.7uF/16V

C260

220uF/16V
C264
10uF/16V

R254
100K

R251
220K

C263

C262

0.068u

LS1LS2

IN_R

IN_L

1234567891011

C252

0.068u

1000P

FB_R

FB_L

C254

10uF/16V

C253
1000P

C265

0.1

PS

FT_R

OUT_R

VREF

OUT_L

FT_L

C255
47/16V

C259

4.7uF/16V

+9V

GND

C258

4.7uF/16V

SB

AD1

100

R252

C261

0.01

ST

AD2

C257

4.7uF/16V

SVL

SCL

C256

4.7uF/16V

1213141516171819202122

SVR

SDA

R253
100

VDV11
RLS4148

NV3

1

78L05

24Y
23
22

Y-O

21
20

+5V

19

U-O

18
17
16

V-O

15
14

CV87

CV86

47uF/16V

0.1

3

2

RV131
0

CV84

CV83

NC

0.1

RV132
0

RV09
1K

RV133
0

RV97
1K

VV01

BC848C

RV98
1K

RV99
150

CV89
NC

LV04

3.3uH

CV88
1000

CW55

0.1

NV4

TDA7052B

CW51

0.1

CW50

100uF/16V

RV149
10

RV142
220/.5W

VV07
C2878

RV146
1K

Vp

IN GND VC

1234

XSV06

XSV05

XSV03

XSV07

RGB IN

AV2IN

AV1IN

AUDIO OUT MONITOR OUT

L

1
2
3
4
5
6
7
8

9
10
11
12

V

R

L

V

R

L

V

R

L

R

L

Vsync
Hsync

GND
AV3-C
GND
AV3-Y
GND
AV3-V
GND
AV3-R
AV3-L

RV21

YC

82

S IN ON

RV11

YC

82

S IN ON

CV75
1000

CV74
1000

CV76
1000

CV77
1000

RV54
100K

R
G
B

RV60

82

RV10
82

RV13
100K

RV14
100K

RV20
82

RV23
100K

RV24
100K

RV67
100

RV6182RV62

RV64 100

RV63
100

CV23
1000

CV24
1000

CV13
1000

CV14
1000

CV17
1000

RV70
68

RV77
10K

RV71
1K

RV73
100K

RV78
1K

RV74
100K

RV81
1K

RV83
100K

RV88

1K

RV84
100K

CV54
1000

CV60
27

82

CV27
1000

LV01
PL-56

CV69
470uF/16V

VV10
BC848C

CV70

10uF/16V

CV71
10uF/16V

CV72
10uF/16V

CV73

10uF/16V

CV63
27P

BC848C

VV12

RV68
100

LV02
PL-56

3.2V

RV12
82

RV72
1K

RV69
100

CV64
27P

3.8V

VV11

BC848C

VV13

BC848C

CV61
27

RV22

82

RV75 1K

RV82
1K

RV85
1K

L260
10uH

1234567 1234567

+9V

AV3-C

10uF/16V

JV05 JV06JV07JV04

R IN

GND

CV30

RV30

82

AV3IN

GND

AV3-Y

GND

L IN

AV3-V

GND

GND

AV3-R

RV33
100K

CV33
1000

AV3-L

SCL

SDA

AV3 TERMINAL BOARD

XSP03

RV34
100K

CV34
1000

XP203

GND

GND

R- OUT

L- OUT

R+ OUT

SP01 SP02

SP03 SP04

XSP05 XSP04

CY05

4.7uF/50V

R- R+L-L+

LV08

LV07

PL-22

PL-22

RY02
10

CY02

RY01
10

CY01

871

2

3

5

4

JV09JV08

重要的安全注意事项

进行任何维修工作时，应使用独立的变压器，以免底盘
通电而引起电震事故。

在原理图中，以
面具有关键性，只能以规定型号的零部件来更换。

注意：

1、未标注的电阻器均为1/6W的碳膜电阻；未标注的电容
均为50V的彩色陶瓷电容器。

" "标志来识别的零部件，在安全方

2、除另有说明外，各项电解电容器的额定电压均为16V。
3、在原理图中"/#"为元器件改 插铁线的标记；"/*"为元器

件空插的标记。
4、本图仅供参考，如有更改，恕不另行通知。

BT4360H/BT5080H/BT5060H

系列彩色背投电视机电路图

H

（AV板）

BT-H系列-DL2

L+ OUT

8

GND

LV12
PL-22

CY06

4.7uF/50V

LV09
PL-22

LV10
PL-22

CY04

100uF/16V

3

RY04

217

4

41003181(2/8)

2003.09.04

543214321

1/2W390

L+

L-

RY03

1/2W390

CY03

100uF/16V

5

GND

R+

R-

LV11
PL-22

NV1

TA8851CN

CV92

RV92

10uF/16V

100

CV62
27

CV96
10uF/16V

RV93
100

CV95
10uF/16V

RV37
100

CV36

RV36

10uF/16V

4.7K

CV31

RV38
100

10uF/16V

CV35

RV35

10uF/16V

4.7K

RV39

CV32

100

0.01

RV03

3.3K
CV20

RV27

10uF/16V

100

CV26

RV26

10uF/16V

4.7K

CV21

RV28

10uF/16V

100

CV25

RV25

10uF/16V

4.7K

RV29

CV22

100

0.01

+9V

CV28

470uF/16V

CV10

RV17

10uF/16V

100

RV02 3.3K

RV16

CV16 10uF/16V

4.7K

RV18

CV11 10uF/16V

100

RV15

CV15

4.7K

10uF/16V

RV19

CV12

100

0.01

3.8V

RV76

3.2V

1K
RV79
1K

RV85A
120

CV97

0.01

RV86A
120

RV86

CV98

1K

0.01

RV89
1K

SDA

SCL

RV90
100

RV91
100

VDV01

9.1V

VDV02

9.1V

VDV03

9.1V

VDV04

9.1V

VDV05

9.1V

VDV06

9.1V

CV29

0.1

VDV07

9.1V

VDV08

9.1V

VDV09

9.1V

100

CV90
10uF/16V

CV91

10uF/16V

RV96
100

CV93
10uF/16V

RV95
100

CV18

0.1

RV06
100

RV07

RV05
100K

5.0

5.0

5.0

5.0

5.0

RV04
22K

5.0
LT2

1

5.0
VT2

RT2

LT1

VT1

RT1

VE1

LE1

YE1

RE1

CE1

GND1

VE2

LE2

YE2

RE2

CE2

VCC

VE3

LE3

YE3

RE3

CE3

GND2

MUTE

SDA

SCL

TV2 BS2

TV1

EX1

TV OUT

EX2

EX3
PIP OUT

VO1

LO1

YO1

RO1

CO1

TV-OUT LOT

CI1

TV-OUT ROT

VO2

LO2

YO2

RO2

CO2

O3

CI2

I/O2

I/O1

2

5.0

3

5.0

4

5.0

5

5.0

6

5.0

7

5.0

8

5.0

9

5.0

10

5.0

11

0

12

13

5.0

14

15

5.0

16

17

8.7

18

5.0

19

5.0

20

5.0

21

22

23

0

24

0

25

4.5

26

4.5

27

CV56

RV56

10uF/16V

CV65
10uF/16V

CV55
10uF/16V

CV46
10uF/16V

CV66
10uF/16V

CV45
10uF/16V

CV67

22uF/16V

RV66

120
CV39

0.01

RV65
120

CV38

0.01

CV68
22uF/16V

RV119

10K

RV121
1K

RV120
10K

RV122
1K

100

RV55
100

RV46
100

RV45
100

RV80
1K

RV111
1K

RV112
1K

RV113
NC

BC848C

RV123
NC

3D-STEREO
TRUBASS
FOCUS

VV05

RV87

390/.5W

3.6V

RV114
NC

RV116
NC

RV124
NC

RV126
NC

4.2V
VV02

2SA1015Y

VV03

BC848C

RV115
1K

VV04

3.6V
BC848C

3.0V
RV118

RV117

1K

NC

RV125

2.2K
VV06

BC848C

RV128

RV127

2.2K

NC

RW17

CW04

0

0.1

RW18

CV79

0

CW03

10uF/16V

CV78
10uF/16V

CW23

0.1

0.1

R IN

L IN

1 2 3 4 5 6 7 8 9 101112131415161718192021

0

RW20

CW21

0.1

CW22

0.01

CW19

0.1

CW20

0.1

RW1
22K

RW16
0

RW3
43K

CW18

CW05

CW06

CW02

0.1

0.1
10uF/16V

CW01
10uF/16V

R OUT

L OUT

NV5

NJM2700

RW7

RW6

1.8K

110K

CW17

0.1

RW2

3.3K
RW4
36K

CW15
1uF16V

CW16

0.1

0.1

RW8

RW5

8.2K

8.2K

+9V

RW910K
RW1010K

RW11
10K

CW14
10uF/16V

CW13

0.033

CV01

0.1

MODE1

CW11

0.47

MODE2

CW12

CV02

100uF/16V

MODE3

0.01

CW10

0.33

Vref

LV05

3.3uH

RW12

8.2K

222324252627282930313233343536373839404142

LV06

3.3uH

CW07
10uF/16V

+9V

CW09
220p

SRS WIDTH

CV03

0.1

10uF/16V

CW08

CV04
100uF/16V

5.0

54

5.0

53

5.0

52

5.0

51

5.0

50

5.0

49

48

5.0

3.4

47

3.6

46

3.8

45

3.6

44

3.8

43

3.7

42

3.9

41

40

5.0

39

5.0

38

3.5

37

3.6

36

3.9

35

3.6

34

3.9

33

3.6

32

31

30

5.0

29

28

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20

1

2

3

4

5

6

7

8

9
10
11
12
13
14
15
16
17
18
19
20

XPV01

COMP. Y
COMP. Pb
COMP. Pr
GND
GND
RGB Vsync
RGB Hsync
GND
RGB R
RGB G
RGB B
GND
GND
MAIN Y(V) OUT
MAIN C OUT
GND
SUB Y(V) OUT
SUB C OUT
GND
COMP. SW

1
0

XPV02

AUD MUTE
SUB VOLUME
GND
MAIN VIDEO
GND
SUB VIDEO
GND
GND
SUB AUDIO
GND
MAIN R IN
MAIN L IN
GND
MAIN R OUT
MAIN L OUT
GND
+9V
+9V
SDA2
SCL2

Y/Cb/Cr
Y/Pb/Pr

LV03
PL-56

XP202

SUB-S

123456789101112

RV01

RV32

3.3K

82

CV37
1000

GND

RV31
82

SUB-S

GND