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Sharp 28JS-74E, Service Manual

The Sharp 28JS-74E is a top-of-the-line television that delivers stunning visuals and impressive sound quality. To unlock its full potential, a comprehensive Service Manual is available for free download at manualshive.com, providing users with detailed instructions and troubleshooting techniques to optimize their viewing experience.

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37

28JS-74E

Page 36

8

9

10

11

12

13

14

R

Q

P

O

N

M

L

K

J

  SCHEMATIC DIAGRAM OF MOTHER BOARD UNIT (F7351N1A)

Page 35

3

2

17

+5

V

11

4

15

5

V

3

(YB)

24

9

1

22

18

1

10

16

25

4

H

5

2

12

6

14

7

20

13

V

8

19

H

23

21

15

CZ2107BM

+5

V

CRDARA027WJFW

B

N

NOMBRE

7M

MOTHER

BOARD

5

GA200

APROBADO

SHARP

3

CODIGO

1

A-1

MODELO

W

REVISIONES

F

FECHA

BN
1

VERIFICADO

Q

30-09-2002

ESCALA

REALIZADO

P

FECHA

E

L

E

C

T

R

O

N

IC

A

 ESPAN

A   S.A.

+

200V

+5

V

31

+5

V

QSOC

Z

2

561C

EZ

Z

33

34

32

7

28JS74EC_EF

+5

V

+5

V

A

2

5

-0

9

-2002

H

a

s

ta

 I

N

F

O

 246

85

0

2

-0

8

-2002

H

a

s

ta

 I

N

F

O

 200

80

H

a

s

ta

 I

N

F

O

 203

H

a

s

ta

 I

N

F

O

 221

3

0

-0

8

-2002

2

3

-0

7-2002

81

82

0

3

-0

9

-2002

H

a

s

ta

 I

N

F

O

 228

84

3

0

-0

8

-2002

H

a

s

ta

 I

N

F

O

 222

83

+B

AGC

IF

SD

A

VT

SC

L

AV1

AV1

VERT-

VERT+

HFB

HPROT

HPROT

HFB

SC2OUTL

SC2OUTR

FB

B IN

G IN

R IN

HOUT

SDA

SDA

SDA

SC2INL

SC2INR

AV2

SCL

ALCLOCK

AGC RF

SSC-CLOCK

SCL

SCL

SC1OUTR

SC1INL

SSC-CLOCK

SSC-CLOCK

AV2

SC1OUTL

SC1INR

CVBSOUT

FI

CVBSOUT

ABL

ABL

STBY

PROT

VPROT

+3.3VSTBY

.

R631

330K

R416

75

R629

470K

C626

10uF

.

.

.

.

.

R626

100

C205

220nF

(FZ)

C624

220nF

(400V)

FZ0241BM

R411

18K

R414

1K

R417

75

X301

B0203

18,432MHz

C619

100nF

(250V)

FZ0198BM

R202

100

.

.

.

.

.

C625

1nF

(500V)

C323

47pF

L605

ZA016WJ

R309

100

C218

10nF

R415

75

C617

180nF

(400V)

FZ0240BM

C206

10nF

.

.

.

.

.

R627

82K

(1/2W)

.

.

.

.

.

C219

390pF

HB

Q609

BC847B

TX0232

(F

)

G

N

1505BM

D622

C12

EX0554BM

D623

C4V7

EX0544BM

Q612

2SK2882

TXA002WJ

R439

100

R438

470

R437

220

Q406

BC857B

TX0243

R440

1K

R441

10

(1/3W)

R406

75

C347

2n2

HB

R326

100K

100

R322

R324

100

C343

680pF

(25V)

R325

100

R327

100K

C348

2n2

HB

C344

680pF

(25V)

R323

100

D431

C12

EX0554

D432

C12

EX0554

D437

C12

EX0554

FB303

LN0091GE

C338

1nF

HB

C340

680pF

C341

1nF

HB

C337

680pF

(25V)

R451

0

R452

0

R321

270

R318

100

R409

18K

R320

100

R319

270

8

4

R215

8K2

1/2W

3

7

11

2

6

R214

18K

1/2W

T

H

201A

R

T

U

N

H

0145

1

5

R213

18K

1/2W

9

JF7

10

R203

100

R308

100

R418

75

D407

EX0549

C7V5

NC

64

NC

63

AVSS

62

AVSS

61

MONO

I2S

_

WS

I2S_CL

4

I2C_DA

3

I2C_CL

2

NC

1

STANDBYQ

80

ADR_SEL

79

D_CTR_OUT0

78

D_CTR_OUT1

77

NC

76

NC

75

AUD_CL_OUT

74

TP

73

XTAL_OUT

72

XTAL_IN

71

TESTEN

70

69

ANA_IN-

68

67

AVSUP

66

AVSUP

65

C325

47pF

C403

10nF

D433

C12

EX0554

D434

C12

EX0554

C202

100nF

(25V)

D403

EX0549

7V5

R407

75

D409

EX0549

C7V5

R369

10K

C326

5pF

R420

75

D410

EX0549

C7V5

.

.

.

.

.

R206

5K6

D404

EX0549

7V5

C322

100nF

(25V)

C327

5pF

R419

75

R410

3K3

D408

EX0549

C7V5

C324

47pF

R421

82

X201

4MHz

B0201BM

L203

6.8uH

(CF)

C201

470nF

(FZ)

D405

EX0549

C7V5

R207

150

L301

10uH

(DF)

JF54

R231

270

R223

10

(1/2W)

C329

100nF

(25V)

R413

68

IC

201

T

D

A9886ST

IX

1808BM

VIF1

1

VIF2

2

OP1

3

FMPLL

4

DEEM

5

AFD

6

DGND

7

AUD

8

TOP

9

SDA

10

REF

15

VAGC

16

CVBS

17

AGND

18

VPLL

19

VP

20

AFC

21

OP2

22

SIF1

23

SIF2

24

SCL

11

SOUT

12

NC

13

TAGC

14

R205

220

R230

22K

L202

12uH

(DF)

R370

10K

Q403

BC847B

TX0232

D422

EX0556BM

C15

D406

EX0543

C4V3

R204

22K

D420

C5V6

EX0546

C222

100uF

(6.3V)

D411

C5V6

EX0546

R422

220

C422

220uF

(10V)

R408

3K3

C203

22nF

IC202

IX0037

C211

10nF

C204

100uF

(16V)

C212

470uF

(10V)

(AV1)

G

N

0241

C330

330uF

(10V)

100nF

D438

C12

EX0554

FB302

LN0091GE

C320

10uF

(16V)

D421

4V7

EX0544

C417

47uF

(10V)

C207

1n5

HB

(CR)

G

N

0241

Q201

BC857B

TX0243

C221

330nF

(FZ)

R OUT

R IN

L OUT

GND

GND

L IN

SS

GND

ALCLOCK

AV LINK

GND

GND

FS

GND V IN

GND

V OUT

V IN

GND PLUG

1

2

3

4

5

6

7

8

SOUND

9

10

11

12

13

14

15

16

17

18

19

20

21

N.C.

N.C.

N.C.

DISPLAY

DISPLAY

DISPLAY

AV 

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

R OUT RF

R IN

L OUT RF

GND

GND B

L IN

BLUE

SS

GND G

GREEN

N.C.

N.C.

GND R

N.C.

RED

FS

GND V IN

GND FS

V OUT RF

V IN

GND PLUG

1

2

3

4

5

6

7

8

SOUND

9

10

11

12

13

14

15

16

17

18

19

20

21

RGB

CZ2107BM

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

R668

390

(1/2W)

C639

1nF

(500V)

R222

220K

SF

20

1

K

3

9

53M

C

0

278BM

5

4

3

2

1

SF

20

2

K945

6

C

0

294BM

5

4

3

1

2

R208

22K

C210

10nF

R211

6K8

R212

22K

Q202

BC847B

TX0232

R221

680K

D201

BA591

DX0623

R210

100

R209

6K8

C209

100nF

(25V)

C208

10nF

D202

BA591

DX0623

D203

BA591

DX0623

JF5

R219

R220

J163

2K2

J162

2K2

J142

2K2

J141

2K2

C215

330nF

(FZ)

Q407

BC847B

TX0232

(VI

A

)

GN

0241

Digitally signed by ADOLFO FERNANDEZ

cn=ADOLFO FERNANDEZ, o=LABORATORIO, c=US

Date: 2002.10.01 08:50:22 +01'00'

Reason: This document is ready for approval

Digitally signed by Emili Sanz Hernandez

cn=Emili Sanz Hernandez, ou=Labo, o=SEES, c=US

Date: 2002.10.01 08:53:49 +01'00'

Reason: I am approving this document

Digitally signed by Castillo, Fco.

cn=Castillo, Fco., ou=SEES, o=Engineering Dept., c=ES

Date: 2002.10.01 11:52:29 +01'00'

Reason: I am approving this document

Summary of Contents for 28JS-74E

Page 1: ...ntries the set should restored to its original condition and only parts identical to those specified should be used CONTENTS ELECTRICAL SPECIFICATIONS 3 IMPORTANT SERVICING NOTES 4 CONTROLS TERMINALS 5 ADJUSTMENT PROCEDURES 6 PRINTED WIRING BOARDS 13 COMPONENT LOCATION TABLES 19 CHASSIS LAYOUT 24 SCHEMATIC DIAGRAMS 26 SHARP CORPORATION BLOCK DIAGRAM 38 TROUBLESHOOTING TABLES 39 ICs ADDITIONAL INFO...

Page 2: ...f only part number changes are required just change part number directly the part number in the Parts Listing Section If you need more information please refer to the Technical Report Bulletin SERVICE MANUAL UPDATE LOG SHEET Part No Technical Report No Technical Bulletin No Cause Solution Page No Application Data Serial No ...

Page 3: ...ecial Channels ELECTRICAL SPECIFICATIONS WARNING The chassis in this receiver is partially hot Use an isolation transformer between the line cord plug and power receptacle when servicing this chassis To prevent electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel Specifications are subject to change without prior notice Power Input 220V...

Page 4: ...ardous x ray radiation levels This is a problem when in close proximity to the receiver for long periods of time To reduce any risks associated with this please observe the following precautions 1 When undertaking any servicing on this chassis DO NOT increase the EHT to more than 30 KV at a instantaneous beam current of 1500µA 2 Ensure that during normal operation the EHT does not exceed 30KV at a...

Page 5: ...5 28JS 74E CONTROLS TERMINALS ȍ 0 1 2 3 0 4 5 1 2 0 0 2 2 1 6 7 8 9 0 2 5 9 7 50 1 6 57 3 5 7 9 6 21 ...

Page 6: ... the CRT fitted in the set Note that these adjustments may vary from one receiver to another To enter the Service Mode carry out the following procedure 1 Connect a test pattern to the antenna terminal 2 Tune the receiver to this signal 3 Turn the receiver off using the mains switch 4 Press volume down and channel up buttons on the front of the receiver at the same time 5 Keeping these buttons pre...

Page 7: ...g the teletext keys as below By pressing the Blue button each adjustment can be directly accessed via the remote control Referring to the list above press the Blue button followed by the adjustment number this will directly access the selected adjustment If any number above 26 is selected the set will revert to the Service Mode entry page To access a number less than 10 use the 0 key first i e 02 ...

Page 8: ...n the remote control to store East West Width Adjust the East West Width so that 8 over scan is achieved The effect of this adjustment is shown in figure 3 When the volume up button is pressed horizontal scanning increases When the volume down button is pressed horizontal scanning decreases Press the stand by button on the remote control to store Pin Phase Adjust the Pin Phase so that the picture ...

Page 9: ...ustment is shown in figure 8 When the volume up button is pressed side pincushion changes from pincushion to barrel shape When the volume down button is pressed side pincushion changes from barrel shape to pincushion Press the stand by button on the remote control to store Vertical Linearity Adjust the Vertical Linearity so that the upper and lower parts of the picture are symmetrical The effect o...

Page 10: ...ffect of this adjustment is shown in figure 12 When the volume up button is pressed the vertical size of the picture increases When the volume down button is pressed the vertical size of the picture decreases Press the stand by button on the remote control to store S Correction Adjust the S Correction so that the picture symmetrical between the top centre and bottom The effect of this adjustment i...

Page 11: ...NVM PAGE use the volume up down buttons to change this data data is shown in hexadecimal format 2 Press the channel up button and ALTER NVM POSITION appears use the volume up down buttons to change this data data is shown in hexadecimal format 3 Press the channel up button and ALTER NVM VALUE appears use the volume up down buttons to change this data data is shown in hexadecimal format 4 Once this...

Page 12: ... be stored automatically 6 Turn off the receiver by Main switch to exit the Service Mode Automatic Gain Control Adjustment L L To correctly align the Automatic Gain Control follow the procedure outlined below 1 Tune the set into a pattern generator on F 10 2 Enter the Service Mode 3 Press the Channel up button of Remote Control to select Automatic Gain Control 4 Press volume up down to adjust to 1...

Page 13: ...D6003 K JF6002 JF6004 J53 R6014 J57 R6048 R6049 JF6010 JF6009 C6010 JF6008 R6047 JF6007 IC6005 JF6005 J75 C6018 FB6001 C6017 R6044 R6045 R6043 Q6006 C6015 C6016 J73 C6012 C6011 C6009 R6013 R6010 R6011 J60 C6042 J17 J69 J67 FB6003 C6022 C6021 C6020 Q6007 C6040 C6039 R6036 R6037 IC6006 IC6007 J59 1 80 81 100 IC6001 YA YB 32 17 16 IC6002 RT 1 K R6035 J92 C6055 J13 C6043 C6045 X6001 J65 R6012 Q6001 JF...

Page 14: ...5 S704 D1001 D1002 S703 S702 K7351BM R1036 T3 15AH 3 ST 1 1 OPC 3 D1017 Q602 D620 R612 7 PRDARA027WJ DIP L7 1 VIB 4 R770 R774 C701 T701 C706 C721 R725 C748 D752 C738 R790 D711 R757 D710 R756 D746 C734 D612 FB603 L602 L606 R530 E Q605 B F 1 5 R618 J82 C613 C620 L601 J56 J57 D510 4 SWRC 1 C622 PRDARA027WJ PRDAR5531BM PRDAR5531BM PRDAR5531BM 1 FB601 C703 1 2 3 4 C799 R747 R746 AV1 R663 C1022 E Q706 C...

Page 15: ...05 R208 J167 J107 YB 1 2 25 24 YA 1 2 25 24 S C1031 C356 R355 D306 L302 J19 L702 J14 R337 J13 IC202 R203 R202 R220 R219 D204 D205 J170 J142 J141 J139 J154 R303 R304 CN1 1 R302 R301 J158 J159 J160 C311 C309 C301 C317 J155 C318 J143 J144 J145 C316 C320 X301 C308 C304 C303 J106 10 16 ESPA A C361 R358 C370 D309 C376 R359 J16 C377 J23 L353 J156 J157 J173 VIA T701 J128 J126 J127 J124 J11 R795 J29 R717 J...

Page 16: ...147 IC303 24 J140 C319 Q201 J104 D411 K C302 C215 C205 R209 R211 C801 C210 R208 R225 JF8 R231 R324 R326 C348 R327 R325 J167 C343 K D426 C337 R409 R408 J107 YA 25 24 1 2 YB 1 2 25 24 C375 R357 S C353 C359 J15 C385 Q305 C1031 R382 R351 J2 C1043 C382 C380 R355 D306 R350 R331 L302 J19 L702 J14 R337 J13 Q202 J164 IC202 R240 R203 R202 R220 R219 D204 D205 J170 J142 J141 J139 J154 R303 R304 CN1 R205 R307 ...

Page 17: ...02 ST OPC Q1003 JF151 R1037 R1015 R1014 R1013 D1017 R1019 R1099 R1017 JF153 Q602 D620 Q603 R607 R612 Q604 Q608 R1031 R1030 R1053 JF56 7 K D402 JF24 VIB K D420 R770 R774 C701 C706 C721 R725 K D731 D730 K C748 D752 C738 R790 D711 R757 D710 R756 J36 Q714 D746 R791 R793 R768 Q713 R792 D612 FB603 L602 L606 R530 C605 Q605 C604 F 1 2 R618 J11 J82 C631 D616 K D624 K R645 C613 C620 C622 L601 C641 J56 J57 D...

Page 18: ...01 C1825 D1809 D1813 D1815 R1835 K7352BM F7352BMN1 C1812 1 2 3 4 5 6 Y X 0 1 2 3 4 5 6 7 8 A D1811 K L1802 D1812 K K C1806 R1843 R1830 R1842 R1841 Q1801 C1815 J1 K D1805 J2 R1844 1 1 J3 R1836 VR1801 D1814 R1833 R1834 R1831 C1814 L1801 TRC 12 11 10 9 8 7 6 5 GND C1826 H 1 9 IC1801 R1832 C1824 C1811 R1811 R1806 R1816 JF1801 C1825 C1813 R1839 D1809 D1813 D1815 R1835 C1812 R1837 F7352BMN1 TP1801 C1827...

Page 19: ...9 16 6 3I 1 78 3I 1 1 871 1 8 91 8 3I 186 1 7 3I 198 7 9 3I 7 3I 1 6 3I 9 9 1 3I 1 6 3I 86 6 3I 7 3I 6918 8 3I 1 7 13I 688 1 16 8 6 1 688 8 6 11 196 8 6 1 666 16 97 61 1 1 86 8 81 18 8 76 7 17 8 6 6918 19 77 6 671 188 667 668 6 1 8 7 61 6 867 6 666 8 7 1 766 96 9 671 8 7 6 1 6 89 1 61 1896 81 66 9 8 9 8 6 186 61 6 6 19981 8 68 18 87 8 91 67 196 6 17 69 1 11 196 6 11 97 1 6 1 9 196 6 8 6 18 6 6116 ...

Page 20: ...1 991 16 1 7 6 117 91 9 6 6 1 7 7 769 1 7 2 3 4 7 7 7 71 97 1 9 616 8 6 8 9686 7 7 1 7 6 8 1 9 8 7 8 76 1 6 1991 96861 6116 1 117 69 1 1 69 1 8 79 1 8 6 7 919 6 8 6 9 9 1 7 86 1 71 96 18 7 1 6 1 8 8 9 61 8 716 1 668 8 1 6 1 17 8 78 11 1 97 6 8 6 77 91 1 1 76 8 11 97 17 8 18 87 17 8 1 911 8 9 7 8 8 1 79 7 8 7 8 8 7 1 6 8 9 769 1 1 1 91 8 90 7 6 1 1 91 81 79991 867 81 9 676 811 1 6 7 19 7 818 7 86 9...

Page 21: ...1 1 8866 7 111 6 1 6 1 68 186 9971 1 186 6 6 18 7 9 0 1 8 7 9 6 796 96677 9 7 7 7 1 8 7 1 7 8 1 1 817 1 7877 8 18 9 7 7 8 869 1 196 97 16 6 987 8 91 86611 77 1 898 66181 97197 79 6 8 81986 8 67 69 1 16 76 7 96 8 98 18 7 7 199986 696 8 6918 76 H 1 8 11 866 H 79 H 1 89 1 77 H 6 7 717 6 H 1 98 8 6 H8 9 1 81986 H8 1 8 67 6 6 H8 898 6 1 7 2 3 4 H8 9 1 1 96 H898 1676 1 9 6 87 7 9 87996 1 11 16 1978 6 91...

Page 22: ...797 6 1 1 169 86 6 1 988 69 6 1 8866 8 6 1 9 6 7 8 798 7 116 17 7 798 7 11 861 6 1 78 1 6 69 1 7 6 6 76 6 1 6 1 8616 8181 2 3 4 6 11 99 1 6 6 8 16 1 6 6 7 1 6 7 1 6 6 9 1187 7 1 6 6 116171 7 6 6 8 1 6 1 61 6 1 61 16 7 611 1 9 6 8 61 16 6 166 616 1 87 19 6 61 8 671 7 61 61 7 79 618 68 86 196 6 619 776 7 191 6 8 9 7 16 7 6 1 9 77 1 86 6 1 1676 1 9 6 7 71 16 7 6 6 87 7 1 6 6 766 6 6 87 7 6 8 1 6 19 6...

Page 23: ...1761 66 166 1 1917 6 1 1 67 1 1 1 86 69 168 1917 6 17 6 799 6 7119 9 1 8 977 8 9 66 89 1 7 78 69 11 9 87 6 99 7 877 1 6 1 7 6 11 1 9817 1 1 11 1 81 7 2 3 4 1 77 91 918 1 966 767 17 6 1 16 19 1 97 6 17887 69 1 97 77 1 871 1676 8 9 7 87 7 6 8 7 196 7 71 61 8 871 9 7 676 9 1 9 8 881 6 8 77 8 771 6 98 77 6 66 816 8 9 1 6 871 98 8 1 8 7 1676 16 7 1 7 99 6 98 17 9 6 1676 8 1 1 6 6116 6 17 7 9 7 9 7 97 9...

Page 24: ...746 M1000 TP602 TP601 R614 L2 L5 T601 Q602 H Q601 D638 L605 F Q612 VIA CR AV1 AV RGB TH201 SF202 SF201 X201 YA YB IC501 L501 IC704 Q797 IC708 IC706 S IC301 IC302 PHONE IC304 D1002 D1001 C733 C728 D720 TP701 7 1 16 10 Q701 Q702 Q703 C713 T702 R730 LP701 S702 S703 S704 S705 L701 C701 S701 C753 F701 M G C746 VR701 X301 MODULO_DIGITAL ...

Page 25: ...25 28JS 74E PWB B CRT Socker Unit F7352N1A PWB C Digital Module Unit F7353N0D VR1801 G2 TRC IC1801 K H L3 TP1801 IC6001 IC6006 IC6007 K VI X6003 X6002 X6001 IC6002 YA YB IC6003 ...

Page 26: ... P µµF SERVICE PRECAUTION THE AREA ENCLOSED BY THIS LINE IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE WHEN SERVICING THE AREA CONNECT AN ISO LATING TRANSFORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK CAUTION This circuit diagram is original one therefore there may be slight difference from yours SAFETY NOTE 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING P...

Page 27: ... Red Output Green Output Blue Output Video Output 12V E W Output V Switch V Control St By Vp Primary Vertical Input Inner Correction 5 E W Control 2 4 6 7 8 9 10 11 12 13 14 15 Vertical Input H Control VH 16 17 18 ...

Page 28: ...hone L Input Headphone R Input Speaker L Input Speaker L Output Speaker R Output Speaker R Input E W Control 1 V Flyback Vertical Vertical Input 20 Vertical Output 25 26 27 28 29 30 IF Video Output V Protection H Protection 31 32 33 19 21 22 23 24 ...

Page 29: ...V Power Supply Voltage Power Supply Switch Voltage 1 I Sense CRT IF Video In Analog Y Out Analog U Out Analog V Out EPROM Data D3 35 OSD Blanking 40 41 42 43 44 45 EPROM Address A3 SDA0 SCL0 46 47 48 34 36 37 38 39 Power Supply Switch Voltage 2 ...

Page 30: ...30 28JS 74E SCL 33 SDA33 SCL SDA Video Out Processor Xtal In 6 MHz Xtal Out 6 MHz Xtal In 24 576 MHz Xtal Out 24 576 MHz Xtal In 20 25 MHz 50 Xtal Out 20 25 MHz 55 56 57 58 59 49 52 53 54 51 ...

Page 31: ... D1814 DX0577 D1815 DX0577 C1826 33nF 250V C1825 33nF 250V R1839 10 R1837 2M2 R1811 180 C1813 10nF Q1801 TX0243BM BC857B R1841 3K3 R1830 1K8 D1805 5V1 EX0545 C1815 10nF QSOCV0103BMZZ CRT SOCKET 8 9 10 6 11 5 7 4 1 12 VR1801 VX0037BM L3 C1824 33nF 250V R1843 1K R1844 560 1 2W L1801 47uH P0276BM H GN0441CE C1827 470nF TP1801 J3 27 1 2W H V 25KV VB66EAK0714 N 8 9 10 6 11 7 4 1 5 C1811 47uF 250V Digit...

Page 32: ...587 C6006 100nF R6002 5K6 C6009 100nF C6007 100nF R6003 5K6 R6054 0 R6057 0 D6015 DX0551 R6056 1K2 1 C6003 100nF C6008 100nF C6001 470uF 6 3V C6141 100nF R6055 470 1 R6035 27K 1 IC6006 SDA9380 IX1805B CLKI 1 X1 2 X2 3 CLEXT 4 TEST 5 SUBST 6 RESN 7 SCL 8 SDA 9 VDDD 10 11 B V1 48 G U1 47 R Y1 46 VSSA 45 V B0 44 U G0 43 Y R0 42 VDDA 41 DCI 40 VREFC 39 38 SWITCH 64 SSD 63 VSSD 62 VDDD 61 SVM 60 VSSMC ...

Page 33: ...C6037 10uF 50v C6045 100nF C6059 100nF C6058 100nF C6062 100nF C6043 10uF 50V C6017 100nF C6048 100nF C6044 10nF IC6007 VSP9402 IX1868BM VDDDACY 1 AYOUT 2 VSSDACY 3 VSSS2 4 VDDD2 5 SDA 6 TMS 7 NC 8 656CLK 9 656IO7 10 VSSP2 11 VDDP2 12 SCL 13 V 14 656IO6 15 656IO5 16 HOUT 17 H50 18 TDI 19 V50 20 656IO4 21 656IO3 22 VOUT 23 RESET 24 VDDP3 25 VSSP3 26 CLKOUT 27 VDDD3 28 VSSD3 29 656IO2 30 656IO1 31 6...

Page 34: ...X0641BM D703 GPP20J DX0641BM D704 GPP20J DX0641BM Q712 BC857B TX0243 Q704 BC857B TX0243 Q724 BC847B TX0232 Q723 BC847B TX0232 Q720 BC847B TX0232 Q702 2SK2543 TX0245BM Q701 2SK2543 TX0245BM C725 4n7 630V FZ0205BM R751 100K R710 330K 1 TQ R1015 100 D1001 PX0105 1 2 3 R1013 100 R774 120K 1 2W S701 P0600BM M GN0360 R770 120K 1 2W F701 FS C3226 LP701 RLAMP001 R752 10K Q705 BC847B TX0232 D707 DX0551 D70...

Page 35: ...0 10K R637 100K D610 DX0590 MBR1100RL Q797 2SK2232 TXA003WJ R663 1 1W R793 22K D605 DXA011 SB360 R617 2R2 1 2W XZ0204 R650 1 1 2W XZ0200 D613 DX0631 1N4935 C621 2 2nF 500V D617 DX0045 D619 DX0045 Q608 BC857B TX0243 R612 2K2 1 2W R616 10 R657 10 1 2W XZ0212 R601 2W 56 C606 220nF 10V Q607 BC847B TX0232 C607 22pF D609 DX0518 1N5819 Q605 KSC2500 TX0192 C604 390pF C605 2 2nF HB R623 2K2 Q613 2SK2839 TX...

Page 36: ...XZ0208BM L352 680K P0195CE L353 680K P0195CE D641 DX0551 D642 C47 EX0568 R665 10K Q614 BC847B TX0232 R664 1K 002 0105 C319 330nF FZ C1044 1nF C351 220uF 25V C364 100nF 25V C350 100nF 25V C382 100nF C370 330nF FZ R356 10K C367 100nF 25V L316 3 3uH CF JF11 D306 DX0045 R362 22K R350 2K2 R385 1M Q305 BC847B TX0232 Q306 BC857B TX0243 R384 22K C387 100nF R331 2K7 IC302 TDA7480 1 2 3 4 5 6 7 8 9 10 20 19...

Page 37: ... 66 AVSUP 65 C325 47pF C403 10nF D433 C12 EX0554 D434 C12 EX0554 C202 100nF 25V D403 EX0549 7V5 R407 75 D409 EX0549 C7V5 R369 10K C326 5pF R420 75 D410 EX0549 C7V5 R206 5K6 D404 EX0549 7V5 C322 100nF 25V C327 5pF R419 75 R410 3K3 D408 EX0549 C7V5 C324 47pF R421 82 X201 4MHz B0201BM L203 6 8uH CF C201 470nF FZ D405 EX0549 C7V5 R207 150 L301 10uH DF JF54 R231 270 R223 10 1 2W C329 100nF 25V R413 68 ...

Page 38: ... 5 V HORIZONTAL F L Y B A C K T R A N S F O R M ER T601 R G B AUDIO SUB CARRIER C V B S IF REG IC202 33V Q 601 HORIZONTAL DEFLEXION Q 602 E W M O D U LATOR E W DRIVER IC 601 H DRIVER Q 605 Q 613 E W H OUT I C 7 0 8 L M 317T Q 7 1 0 I C 7 0 4 C U R R E N T L I M I T E R Q796 Q 7 06 I C 7 0 6 M 1000 IR D E T E C T O R P F C I C 7 0 1 Q701 T702 E M I F I L T E R 230V AC 50Hz ST BY S T B Y D6001 Q6005...

Page 39: ...8 1 897 8 9 81 818 H 1 3 H 1 H H 6 H 7 1 8 6 16 9 7 8 L 4 5 40 3 C M 1 G0 M 9 5 8 7 1 G 4 F 0 N 51 G 9 18 6 9 1 1 1 16 1 6 1 TROUBLESHOOTING TABLES Although the checking of these parts could be right they may be partially damaged So if the problem remains proceed to replace all parts Test Point xx ...

Page 40: ...40 28JS 74E 5 6 1 1 6 4 6 7 6 8 0 I 2 8 G G 11 1 1 5 40 3 0 K 6 1 0 2 H H 1 6 H 1 H K K I1 G M M O P G G C 4 G 0 1 9 G Test Point xx ...

Page 41: ...41 28JS 74E 6 0 1 G H 8 H 0 6 G 6 G0 7 G0 7 1 G0 0 1 0 7 1 0 Q 1 G0 H 6 G 1 G G A 1 A Q H H 1 1 0 0 1 M H 8 M I F M C M A 0 G G 8 7 9 69 1 6 1 6 6 7 xx Test Point ...

Page 42: ...0 817 5 40 3 0 7 G0 0 H 0 6 8 H8 8 H8 H8 1 H8 8 H898 0 6 G 6 G0 L 1 1 G0 8 8 6 8 7 4 5 40 3 1 G G G G G G G H898 8 1 8 6 897 8 9 81 86 8 81 818 811 86 In the original situation with the Digital Module assembled this value is 1 8V ...

Page 43: ...43 28JS 74E 1 0 2 2 H 1 4 2 9 G 5 40 3 0 2 1 8 1 817 0 2 1 8 0 H 8 8 M 8 1 M 8 H 1 4 3 J 4053 40 4 4 4 3 4 3 4 3 4 G G G G C 4 4 2 9 ...

Page 44: ...PLL oscillator Sound IF SIF input for single reference Quasi Split Sound QSS mode PLL controlled SIF AGC for gain controlled SIF amplifier single reference QSS mixer able to operate in high performance single reference QSS mode and in intercarrier mode switchable via I2C bus AM demodulator without extra reference circuit Alignment free selective FM PLL demodulator with high linearity and low noise...

Page 45: ...4 2 10 9 11 10 12 11 18 20 20 22 2 31 1 30 18 17 7 8 3 5 4 6 external reference signal or 4 MHz crystal REF AFC AUD CVBS audio output video output 2 V p p 1 1 V p p without trap C AF SIOMAD SDA SCL MAD V P C AGC 6 12 13 14 17 19 25 28 29 32 13 n c AGND 7 5 DGND OUTPUT PORTS I 2 C BUS TRANSCEIVER 22 24 3 1 OP1 OP2 FMPLL DEEM AFD sound intercarrier output and MAD select FM PLL filter VIF PLL filter ...

Page 46: ...13 not connected n c 14 not connected TAGC 14 14 15 tuner AGC output REF 15 15 16 4 MHz crystal or reference signal input VAGC 16 VIF AGC for capacitor n c 16 17 not connected CVBS 17 17 18 composite video output n c 19 not connected AGND 18 18 20 analog ground VPLL 19 19 21 VIF PLL for loop filter VP 20 20 22 supply voltage AFC 21 21 23 AFC output OP2 22 22 24 output port 2 open collector n c 25 ...

Page 47: ...T2 SCART1 SCART2 SCART4 SCART3 MONO De modulator Headphone Headphone I 2 S Sound Processing speaker Sound Processing DAC DAC ADC Loud DAC DAC ADC Subwoofer SCART DSP Input Select Pre processing SCART Output Select Prescale Prescale I 2 S1 I 2 S2 Sound IF1 Sound IF2 speaker ...

Page 48: ...L_IN XTAL_OUT TP AUD_CL_OUT NC NC D_CTR_I O_1 D_CTR_I O_0 ADR_SEL STANDBYQ CAPL_M AHVSUP CAPL_A SC1_OUT_L SC1_OUT_R VREF1 SC2_OUT_L SC2_OUT_R NC NC DACM_SUB NC DACM_L DACM_R VREF2 DACA_L NC AVSS AVSS MONO_IN NC VREFTOP SC1_IN_R SC1_IN_L ASG NC SC2_IN_R SC2_IN_L ASG SC3_IN_R SC3_IN_L ASG SC4_IN_R SC4_IN_L NC AGNDC AHVSS AHVSS NC NC I2C_CL I2C_DA I2S_CL I2S_WS I2S_DA_OUT I2S_DA_IN1 ADR_DA ADR_WS ADR...

Page 49: ...ed for high efficiency applications mainly for TV and Home Stereo sets ORDERING NUMBER TDA7480L PDIP20 14 3 3 PIN FUNCTIONS N Name Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VCC VCC VCC OUT BOOTDIODE BOOT NC FEEDCAP FREQUENCY SGN GND IN ST BY MUTE NC VCC SIGN VREG VCC POW VCC VCC VCC VCC NEGATIVE SUPPLY NEGATIVE SUPPLY NEGATIVE SUPPLY PWM OUTPUT BOOTSTRAP DIODE ANODE BOOTSTRAP CAP...

Page 50: ...tput 1 handbook halfpage Vi 1 Vi 2 Vi 3 GND Iom VDD Voc 3 Voc 2 Voc 1 1 2 3 4 5 6 7 8 9 TDA6109JF MGW029 Fig 2 Pin configuration handbook full pagewidth MGW028 TDA6109JF VDD 6 1 2 3 4 9 8 7 Voc 3 Voc 2 Voc 1 5 Iom Rf MIRROR 5 DIFFERENTIAL STAGE VIP REFERENCE CURRENT SOURCE Ri Vi 1 Vi 2 Vi 3 Ra 3 3 CASCODE 1 CASCODE 2 MIRROR 2 1 MIRROR 4 MIRROR 3 MIRROR 1 THERMAL PROTECTION CIRCUIT 1 Fig 1 Block di...

Page 51: ... P0 7 VDD 2 5 VSS VDD 3 3 CVBS VDDA 2 5 VSSA P2 0 P2 1 P2 2 P2 3 HS SSC P3 0 P3 1 P3 2 P3 3 P3 4 P3 5 VS P1 6 P1 5 P1 4 P1 3 P1 2 P1 1 P1 0 VDD 3 3 VSS VDD 2 5 BLANK COR B G R VDDA 2 5 VSSA XTAL1 XTAL2 P4 3 P4 2 VDD 3 3 VSS P3 7 P3 6 RST D3 XROM P1 7 A7 A13 A12 A14 A15 A17 A16 A18 A19 A8 A6 A9 A5 A11 A4 PSEN A3 A10 VSS VDD 3 3 A2 A1 D7 A0 D6 D0 D5 D1 D4 D2 ENE STOP OCF RD WR FL_RST FL_CE FL_PGM AL...

Page 52: ...EFH VREFN HSAFE PW PH CORR CLAMP CLAMP CLAMP BLACK STRETCH SATURATION CONTROL CUT OFF WHITE POINT OUTPUT BUFFER RGB MATRIX BRIGHTNESS CONTROL DELAY RGB YUV 1 RGB 2 3 3 3 3 FBL 2 FBL 1 DCI ROUT GOUT BOUT YUV RGB 0 3 3 3 3 Y SVM CLEXT VDD A1 4 VSS A1 4 VDD D1 2 VSS D1 2 VDD MC VSS MC SUBST PWM PWM MATRIX MATRIX MEASURE PULSES 3 2 3 3 3 YUV YUV Y UV UV 3 3 3 PEAK DRIVE LIMITER BLUE STRETCH CONTRAST C...

Page 53: ...about 38kHz 15 PWM Q TTL Pulse width modulated control signal output 16 VSYNC I TTL V sync input 17 FH1_2 I TTL Switching between 1fH mode L and 2fH mode H 18 HSYNC I HSYNC input CLEXT H TTL CLEXT L analog 19 VDD A1 S Analog supply 20 VSS A1 S Analog ground 21 Φ2 I Line flyback for H delay compensation 22 VDD A2 S Analog supply 23 VSS A2 S Analog ground 24 E W Q Control signal output for East West...

Page 54: ... First B or V input for insertion 49 FBL1 I Fast blanking input for RGB1 50 FBL2 I Fast blanking input for RGB2 51 R2 I Second R input for insertion 52 G2 I Second G input for insertion 53 B2 I Second B input for insertion 54 VDD MC S Analog supply for RGB output stage 55 ROUT Q R output 56 GOUT Q G output 57 BOUT Q B output 58 SCP Q Blanking signal with H and color burst component V component sel...

Page 55: ...ssafbl vddafbl vssd4 vddd4 vssd3 vddd3 clkout vssp3 vddp3 vout reset cvbs5 cvbs6 cvbs7 cvbso2 cvbso3 656clk 656io7 656io6 656io5 656io4 656io3 656io1 656io0 656hin clkf20 656vin blank tclk 656io2 SDA9380 IC6006 Pin Configuration VSP9402A IC6007 Pin Configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 SDA 9380 64 63 62 61 60 59 58 57 56 55 54 53 51 52...

Page 56: ...ection 23 DCTI 46 Peaking 45 Coarse Delay 4 4 4 49 ITU656 Encoder 51 8 8 8 8 50 Fine delay Y noise reduction 38 UV motion detection 36 Y motion detection 35 UV noise reduction 37 eDRAM memory controller 39 14 23 17 27 Pixelmixer 44 H postscaler 42 Panorama generator 43 V H avout auout ayout hout vout clkout v50 h50 v cvbso3 cvbso2 cvbso1 cvbs1 cvbs2 cvbs3 cvbs4 cvbs5 cvbs6 cvbs7 rin1 gin1 bin1 rin...

Page 57: ...xout O Crystal connection 2 23 vout O vertical output single or double scan dependent on version 17 hout O horizontal output 3 vssdacy i656i7 S I DAC Y 656 input MSB 2 ayout i656i6 O I Y output 656 input 1 vdddacy i656i5 S I DAC Y 656 input 80 vssdacu i656i4 S I DAC U 656 input 79 auout i656i3 O I U output 656 input 78 vdddacu i656i2 S I DAC U 656 input 77 vssdacv i656i1 S I DAC V 656 input 76 avo...

Page 58: ...S supply voltage RGB 0 V 42 vddargb S supply voltage for RGB 1 8 V 43 vssargb S supply voltage for RGB 0 V 35 vddafbl S supply voltage for FBL 1 8 V 36 vssafbl S supply voltage for FBL 0 V 68 vddapll S supply voltage for PLL 1 8 V 66 vddd1 S supply voltage for digital 1 8 V digital 67 vssd1 S supply voltage for digital 0 V digital 5 vddd2 S supply voltage for digital 1 8 V digital 4 vssd2 S supply...

Page 59: ...10 656io7 I O Digital input output MSB 9 656clk I O Digital input output clock 74 656hin clkf20 I O separate H input for 656 20 25 clock output 8 656vin blank4 I O separate V input for 656 BLANK output 49 vssd55 S supply voltage for digital 0V pin 9402 32 9412 42 I O 9402 32 9412 42 remark 1 In VSP94xxB and VSP94xxC this pin is shared by v and intr C800 controller output 2 In VSP94xxB and VSP94xxC...

Page 60: ...g 1 Unable to read or write into NVM 66 ON 33 OFF twice and OFF for a second 2 MSP failure 66 ON 33 OFF for three times and OFF for a second 3 SDA 9380 failure 66 ON 33 OFF for four times and OFF for a second 4 SDA 9402 failure 66 ON 33 OFF for five times and OFF for a second 5 TDA 9886 failure 66 ON 33 OFF for six times and OFF for a second On Off On Off On Off On Off On Off ...

Page 61: ... SMD PHILIPS S AA AA Q 0712 RH TX0243BMZZ TRT BC857B PHILIPS S AA AA Q 0713 RH TX0243BMZZ TRT BC857B PHILIPS S AA AA Q 0714 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 0720 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 0721 RH TX0243BMZZ TRT BC857B PHILIPS S AA AA Q 0723 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 0724 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 0797 RH TXA003WJZZ TRT 2S...

Page 62: ...A D 1020 RH EX0544BMZZ ZENER DIODE TZMC4V7 TFK SMD S AA AA D 1021 RH DX0551BMZZ DIODE LL4148 TFK SMD S AA AA PACKAGED CIRCUITS X 0201 RCRSB0201BMZZ CRYSTAL 4 MHZ S AK AM REF No PARTS DESCRIPTION SN CODE EX CODE X 0301 RCRSB0203BMZZ CRYSTAL 18 432 MHZ S AD AG POR701 RMPTP0001BMZZ PTC B59250 C1080 B70 S AA AD COILS L 0202 VP DF120K0000 PEAK COIL 12UH 10 S AA AA L 0203 VP CF6R8K0000 PEAK COIL 6 8UH 1...

Page 63: ...ARTS DESCRIPTION SN CODE EX CODE C 0603 RC FZ9473BMNJ POL FILM C 47NF 5 63V S AA AC C 0604 VCCCCY1HH391J GRM39CK 391J 50 1608 SMD CAPACITOR S AA AA C 0605 VCKYCY1HB222K S CHIP CAPACITOR 0 0022UF 50V TAPED S AA AA C 0606 VCKYCY1AB224K GRM39B 224K 10 1608 SMD CAPACITOR S AA AA C 0607 VCCCCY1HH220J S CHIP CAP 22PF 50V TAPED S AA AA C 0608 VCKYTV1HB104K CERAM C 100NF 50V 2125SMD S AA AA C 0609 RC EZ07...

Page 64: ...S 2 7K OHM TAPED S AA AA R 0333 VRS CY1JF102J S CHIP RES TAPE 1K OHM S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE R 0334 VRS CY1JF102J S CHIP RES TAPE 1K OHM S AA AA R 0335 VRS CY1JF104J S CHIP RES 100K OHM TAPED S AA AA R 0336 VRS CY1JF104J S CHIP RES 100K OHM TAPED S AA AA R 0337 VRD RA2BE100J RES 10 OHM 5 1 8W S AA AA R 0350 VRS CY1JF222J S CHIP RES 2 2K OHM TAPED S AA AA R 0351 VRS CY1JF27...

Page 65: ...2J RES 3 3KOHM 5 1 8W S AA AA R 0725 VRD RA2BE332J RES 3 3KOHM 5 1 8W S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE R 0726 VRS CY1JF562F RES 0603 5 6KOHM 1 1 10W SMD S AA AA R 0727 VRS CY1JF223J S CHOP REG 22K OHM T S AA AA R 0728 VRD RA2HD121J RES 120 OHM 5 1 2W S AA AA R 0729 VRS CY1JF223J S CHOP REG 22K OHM T S AA AA R 0730 VRW KQ41C4R7K WOUND RES 4 7 OHM 10 15W S AC AE R 0731 VRS CY1JF472F ...

Page 66: ...S CHIP RES 0 OHM TAPED S AA AA JF 0006 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA JF 0008 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA JF 0011 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA JF 0054 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA JF 0063 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA JF 1008 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE JF 1009 VR...

Page 67: ...1CEZZ CONECTOR 25P JDV PS25LB 10 1 S AB AF YB QPLGZ2541CEZZ CONECTOR 25P JDV PS25LB 10 1 S AB AF FB 6001 RBLN 0091GEZZ FERRITE BEAD S AA AA FB 6002 RBLN 0091GEZZ FERRITE BEAD S AA AA FB 6003 RBLN 0091GEZZ FERRITE BEAD S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE TRANSISTORS Q 6002 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 6003 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 6004 RH TX0232B...

Page 68: ...B 6025 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA FB 6026 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA FB 6027 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA FB 6028 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA FB 6029 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA FB 6030 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA FB 6031 VRS CY1JF000J S CHIP RES 0 OHM TAPED S AA AA FB 6032 VRS CY1JF000J S CHIP R...

Page 69: ...esoldering the Shield Case Cover 1 2 Introduce the screwdriver through the hole 1 3 Insert the screwdriver between the IC6002 and its socket Push up the IC6002 with the screwdriver as in Figure 16 1 4 Retrieve the IC6002 1 1 1 2 Figure 15 K7353BM Unit Figure 16 IC6002 Retrival Detail 1 4 1 3 ...

Page 70: ... How to retrieve the IC6002 with pincers Flash Memory 2 1 Desoldering the Shield Case Cover 2 2 Introduce the pincers into the hole 2 3 Insert the pincers and take hold the IC6002 Pick up the IC6002 with the pincers as in Figure 18 2 4 Retrieve the IC6002 2 1 2 4 2 2 2 3 ...

Page 71: ...ocedure to follow if the NVM IC is damaged or the data is lost is the following a If the NVM IC is substituted for a new BLANK one it is possible to write the NVM asking for the file which corresponds to the model or let the microcontroller write the default data which is written inside This process is automatically carried out when the blank device NVM is soldered and TV is switched on for first ...

Page 72: ...4E Pack ad SPAKX4055BMZZ Carton Box SPAKC5482BMN2 4 Packing of the Set Accessories Batteries UBATU0013TAZZ R C Battery Cover GCOVHA009WJSA Remote Control RRMCG1071BMSA Operation Manual Set Wrapper SPAKP2006BMZZ ...

Page 73: ...a Sheet TDA6109JF Triple video output amplifier Product specification 2001 Aug 23 5 SDA 5550 Micronas Data Sheet Final data sheet SDA 55xx TVText Pro July 27 2001 Edition July 27 2001 First release of the final data sheet 6251 556 1DS http www micronas com products documentation consumer sda555x downloads sda55xx_1ds pdf 6 SDA 9380 Micronas Data Sheet Preliminary data sheet SDA 9380 B21 EDDC Enhan...

Page 74: ...itted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP ELECTRONICA ESPAÑA S A TV Division Engineering Dept Polígono Industrial Can Sant Joan Sant Cugat del Vallès Barcelona Spain Think Ecology please use RECYCLED PAPER ...

Page 75: ...7 EX0568 R665 10K Q614 BC847B TX0232 R664 1K D610 DX0590 MBR1100RL Q797 2SK2232 TXA003WJ R663 1 1W JF902 R756 1K8 D903 EX0421BM Q901 TX0232 R902 33K R901 100K R903 1K D901 DX0551 C903 47uF 25V D902 EX0554 R905 22K C902 22uF 50V R906 2M2 C347 2n2 HB R326 100K 100 R322 R324 100 C343 680pF 25V R325 100 R327 100K C348 2n2 HB C344 680pF 25V R323 100 D431 C12 EX0554 D432 C12 EX0554 D437 C12 EX0554 FB303...

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