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12

3

4

5

6

1

23

4

5

6

A

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C

D

E

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广东步步高电子工业有限公司

AV

BBK

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2937K

S

A

板号:

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解码

伺服电原理图

1.0

DVDA

2

CEQ

P

250

DVDB

3

DVDC

4

DVDD

5

AGN

D

1

OSP

252

OSN

253

DVDRFI

P

6

DVDRFI

N

7

MA

8

MB

9

MC

10

MD

11

SA

12

SB

13

SC

14

SD

15

CDF

O

N

16

CDF

O

P

17

TN

I

18

TPI

19

MDI

1

20

MDI

2

21

L

DO2

22

L

DO1

23

AVDD3

256

V2

RE

FO

28

SG

N

D

27

VRE

F

O

30

V2

0

29

TEO

32

FE

O

31

US

B_

VS

S

43

R

F

LV

L/

R

F

O

N

26

CS

O/

RF

OP

25

TEZ

IS

L

V

33

OP

_

OUT

34

OP

_

INN

35

OP

_

INP

36

FOO

42

TR

O

41

US

BM

45

TR

O

P

EN

PW

M

39

P

W

MOUT

1

/V_

A

DI

N9

40

US

B_

VDD3

46

FM

O

38

DMO

37

H

IGH

A0

59

HIGHA1

75

HIGHA2

74

HIGHA3

72

HIGHA4

71

HIGHA5

70

HIGHA6

69

HIGHA7

68

DVDD1

8

52

AD7

91

DVS

S

62

AP

L

L

C

AP

63

AD5

87

AD4

86

A

P

LLV

S

S

64

APLL

VDD3

65

AD3

84

AD2

83

AD1

82

AD0

81

DVDD3

73

IOA0

93

IO

A

2

53

IO

A

3

54

IO

A

4

55

IO

A

5

56

DVDD3

80

IO

A

6

57

IO

A

7

58

A16

67

A17

92

DVSS

85

IO

A

1

8

60

IO

A

1

9

61

IOA20

76

IOA1

78

ALE

90

IOOE

79

IOWR

66

IOCS

77

DVSS

94

UWR

95

URD

96

DVDD18

97

UP1_2

98

UP1_3

99

UP1_4

100

UP1_5

101

UP1_6

102

UP1_7

103

UP3_0

104

UP3_1

105

DVSS

116

UP3_4

106

UP3_5

107

RF

VDD3

244

RFRP

DC

245

DVDD3

108

ICE

109

PRST

110

IR

111

INT0

112

DVDD18

122

DQM0

113

DQS0

114

RD7

115

RD6

117

RD5

118

RD4

120

DVSS

119

RD3

121

RD2

123

RD1

124

RD0

125

RD1

5

126

RD1

4

128

DVDD3

127

RD1

3

129

YUV0

/C

IN

192

FS

191

VRE

F

190

DA

CVDDC

189

RD1

6

188

RD1

7

187

RD1

8

186

RD1

9

185

RD2

0

184

RD2

1

183

DVDD3

182

RD2

2

181

RD2

3

180

DQM2

179

DQM3

178

RD2

4

177

RD2

5

176

DVS

S

175

RD2

6

174

DVDD1

8

173

RD2

7

172

RD2

8

171

RD2

9

170

RD3

0

169

DVDD3

167

R

D

31/A

S

D

A

T

A

5

168

RA

4

166

RA

5

165

RA

6

164

DVS

S

163

RA

7

162

DVS

S

161

RA

8

160

RA

9

159

RA

1

1

158

RCL

K

156

CK

E

157

DVDD3

155

RCL

K

B

154

RVRE

F

/V_

A

D

IN

3

153

DVDD1

8

152

RA

3

151

RA

2

150

DVS

S

148

RA

1

149

RA

0

147

RA

1

0

146

BA

1

145

DVS

S

144

BA

0

143

DVDD3

141

RCS

142

RA

S

140

CA

S

139

RW

E

138

DQM1

137

DQS

1

136

DVS

S

134

RD8

135

RD9

133

RD1

0

132

RD1

1

131

DR1

2

130

RF

GND

249

IRE

F

255

S

VDD3

24

RFG

C

254

JITFN

231

JITFO

230

LPFOP

238

LPFIN

237

CRTP

LP

248

HRFZ

C

247

LPFIP

236

CEQ

N

251

RFRP

AC

246

S_VR

EFN

243

ADCVSS

241

S_VR

EFP

242

S_VC

M

240

ADCVDD3

239

PLL

VDD3

234

LPFON

235

PLLVSS

232

MC_DAT

A

224

SPDIF

225

ASDATA4

222

DVDD18

221

ASDATA3

220

ASDATA2

219

RF

GND18

226

ASDATA1

218

ASDATA0

217

ACL

K

215

AL

RCK

213

ABCK

214

DVDD3

204

SPBC

K/A

SDATA5

211

SPLRC

K

210

SPDATA

209

SPMC

LK

208

DVDD3

212

HSYNC/V_ADIN2

207

YUV7/ASDAT

A5

206

VSYNC/V_ADIN1

205

YUV6/R

203

YUV5/B

202

DACVSSA

201

YUV4/G

200

DACVDDA

199

YUV3/C

VBS

198

DACVSSB

197

YUV2/C

196

DACVDDB

195

YUV1/Y

194

DACVSSC

193

ID

AC

EXLP

233

US

BP

44

FG

/V

_

A

DI

N8

47

T

D

I/V

_

A

D

IN

4

48

TM

S/

V

_

A

D

IN

5

49

T

C

K/

V

_

AD

IN

6

50

T

DO/

V_

A

DI

N7

51

AD6

88

IOA21/V_ADIN0

89

DVSS

216

DVSS

223

XTAL

O

228

XTAL

I

229

RF

VDD18

227

U

201

M

T

1389

C

201

1u

F

C

202

1u

F

C

203

1u

F

C

204

1u

F

C

205

D

N

S

C

206

120p

C

B

A

D

RF

O

R

201

0R

R

202

0R

R

203

0R

R

204

0R

C

B

A

D

SU

B

A

SU

B

B

SU

B

C

SU

B

D

E

F

MDI

1

MDI

2

L

DO2

L

DO1

RF

OP

RF

ON

V2

P

8

V2

0

V1

P

4

FE

O

TEO

TEZ

IS

L

V

OP

O

OP

-

OP

+

DMO

FM

O

TR

O

P

EN

C

207

104

R207

R206

R205

C

209

C

208

TR

O

FOO

L

201

FB

89V

33

US

BVDD

AD

IN

T

R

OUT

TR

IN

STB

Y

T

RCL

OS

E

V1

8

A2

A3

A4

A5

A6

A7

A8

A1

8

A1

9

C

214

104

C

215

1500p

F

R

212

0R

R

210

18K

R

211

20K

C

213

330p

F

C

212

330p

F

C

211

104

C

210

153p

F

R

209

15K

R

208

10K

DMS

O

FM

S

O

TR

SO

FOS

O

V1

P

4

V1

P

4

AD

IN

L

202

FB

89V

33

PWR#

A16

A15

A14

A13

A12

A11

A10

A9

A20

PCE#

A1

PRD#

AD0

AD1

AD2

AD3

AD4

AD5

AD6

A21

AD7

A17

A0

V18

VSCK

VSDA

VSTB

SCL

SDA

RXD

TXD

URST

#

IR

DQM0

DQS0

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

DQ15

DQ14

R

213

1K

DQ9

DQ1

0

DQ1

1

DQ1

2

DQ1

3

DQ8

RA

S

#

CA

S

#

WE

#

DQM1

LI

M

IT

CS

#

BA

0

BA

1

DMA

1

0

DMA

0

DMA

1

DMA

2

DMA

3

DCL

K

B

DMA

9

DMA

1

1

DCK

E

DCL

K

DMA

8

DMA

7

DMA

6

DMA

5

DMA

4

DQ3

1

DQ2

7

DQ2

8

DQ2

9

DQ3

0

DQ2

6

DQ2

5

DQ2

4

DQM3

DQM2

DQ2

3

DQ2

2

DQ1

7

DQ1

8

DQ1

9

DQ2

0

DQ2

1

DQ1

6

R

214

1.8K

C

216

Y0

FS

89V

33

V1

8

L

203

FB

DA

CVDD3

DV3

3

C

217

104

T

C

201

10u

F

/16V

Y1

D

V

33A

Y2

Y3

Y4

Y5 
Y6

VS

YNC#

HS

YNC#

VOI

CE

-DE

T

FS1 
FS0

R

215

1K

AL

RCK

ABCK 
ACL

K

R

216

(DNS

)

R

217

(DNS

)

R

218

(DNS

)

R

219

(DNS

)

ASDAT0 
ASDAT1 
ASDAT2 
MU

TE_D

AC

V18

R

220

(DNS

)

RES

ET

#

ASPDIF

RFV

18

XI

XO

JITFO 
JITFN

C218

0.47uF

T

C

202

10u

F

/16V

PLL

VDD3

C219

0.047uF

C220

0.047uF

C221

1uF

ADCVDD3

RF

VDD3

VRE

FN

VRE

FP

C

222

20p

F

C

223

1000p

F

R224

100K

C224

104

C225

0.033uF

C226

104

C227

104

C228

104

R

223

15K

C

229

104

V1

P

4

A

VDD3

89V33

C

233

100p

F

R

227

750K

JI

TF

N

JI

TF

O

L

205

FB

L

206

FB

L

207

FB

L

208

FB

L

250

FB

C

234

104

C

235

104

C

236

104

C

237

104

RF

V3

3

P

L

L

VDD3

A

D

CVDD3

RFVDD3

RFS

VDD3

C

238

104

C

239

104

C

240

1u

F

VRE

F

N

V

RE

FP

C

243

104

T

C

204

47u

F

/16V

C

242

104

T

C

205

47u

F

/16V

C

241

104

T

C

206

47u

F

/16V

C

250

104

C

251

104

C

252

104

C

244

104

C

245

104

C

246

104

C

247

104

C

249

104

C

248

104

C

253

104

C

254

104

C

256

104

C

257

104

C

258

104

V1

8

L

235

FB

L

236

FB

A

VDD3

DV3

3

2

3

4

1

5

6

8

9

10

7

11

12

14

15

16

13

17

18

20

21

22

19

23

24

X

S

301

24P

0.5m

m

C

312

104

L

318

FB

S

M

T

L

316

FB

S

M

T

L

312

FB

S

M

T

L

314

FB

S

M

T

L

311

FB

S

M

T

L

310

FB

S

M

T

L

308

FB

S

M

T

L

307

FB

S

M

T

L

306

10u

H

L

305

FB

S

M

T

L

304

FB

S

M

T

L

303

10u

H

L

319

FB

S

M

T

L

320

FB

S

M

T

L

321

FB

S

M

T

L

322

FB

S

M

T

L

323

FB

S

M

T

L

324

FB

S

M

T

C

301

104

T

C

301

220u

F

/16V

C

311

104

AV

C

C

E

A

V

301

2S

B

1132-

S

V

302

2S

B

1132-

S

R

301

10R

R

302

10R

T

C

302

47u

F

/16V

T

C

303

47u

F

/16V

L

DO-A

V3

3

L

DO-A

V3

3

L

DO2

L

DO1

R

303

0R

L

301

FB

S

M

T

MDI

1

F

L

317

FB

S

M

T

B

RF

O

IO

A

D

C

V2

0

R

309

10K

R

308

100K

R

311

10K

R

310

100K

V

303

2S

K

3018-

S

V

304

2S

K

3018-

S

V

305

3904-

S

IO

A

AV

C

C

L

234

FB

C

230

104

V1

8

RF

V1

8

R

315

20K

R314

10K

R

316

20K

C

306

151

C

305

104

C

302

104

C

303

104

T

C

304

47u

F

/16V

R

306

1R

R

307

1R

R

312

20K

R

305

1R

R

304

1R

C

304

151

VI

NFC

1

CF

1

2

CF

2

3

VI

NS

L

+

4

VI

NS

L

-

5

VOS

L

6

VI

NFFC

7

GND

30

VCC

8

P

V

CC1

9

PG

N

D

10

VOS

L

-

11

VO2

+

12

VOFC-

13

VOFC+

14

VOT

K

+

15

VOT

K

-

16

VOL

D+

17

VOL

D-

18

PG

N

D

19

VNFT

K

20

P

V

CC2

21

GND

29

PR

EG

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D

22

VI

NL

D

23

CT

K

2

24

CT

K

1

25

VI

NT

K

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BI

A

S

27

STB

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U

302

B

A

5954

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STB

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SL

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SL

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FM

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MO_

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CC

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V

CC

SP-

SP+

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FOS

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DMS

O

L

302

FB

VCC

R

313

10K

R

325

470R

R

327

470R

R

321

1R

R

320

150K

R

319

150K

R

322

680K

R

317

680K

R

318

0R

C

307

2200p

F

AD

IN

OP

-

OP

+

V1

P

4

SP-

OP

O

C

308

DNS

V

308

8050

V

307

8050

V

306

8550

V

309

8550

R

323

1.5K

R

324

1.5K

R

339

10K

R

326

2.2R

\1/4W

T

C

308

47u

F

/16V

T

C

309

47u

F

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LO

A

D

+

LO

A

D

-

VCC

T

RCL

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V

310

9014-

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L

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1

)

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2

3

4

1

5

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5P

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T

R

OUT

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309

104

SP+

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+

SL

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LI

M

IT

2

3

4

1

5

6

X

S

303

XS

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6

L

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FB

DV3

3

R

228

0R

TD

I

TM

S

TC

K

TD

O

C

231

104

T

C

211

220u

F

/16V

L

238

FB

DV3

3

R

340

1R

C

310

2200p

F

R

329

10K

R

330

10K

DV3

3

RFS

VDD3

R

331

0R

DQS

0

R

297

0R

R

298

0R

R

299

0R

PW

R

#

PC

E#

PR

D

#

DW

R#

DCE

#

DRD#

AMDAT

R

2165

0R

R

2166

0R

C

2167

104

C

2174

104

D

V

937K

(1389+S

ANYO)

T

C

247

22u

F

/16V

C

2175

104

T

C

248

47u

F

/16V

GN

D

C

255

102

R

221

330R

C

294

102

R

277

330R

GN

D

C

297

102

R

281

330R

R

2164

10K

R

2160

0R

Summary of Contents for DV521S

Page 1: ...SERVICE MANUAL DV521S POWER REW...

Page 2: ...1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST 4 5 2 BRACKET EXPLOSED VIEW AND PART LIST 6 6 ELECTRICAL CONFIRMATION 8 6 1 VIDEO OUTPUT LUMINANCE SIGNAL CONFIRMATION 8 6 2 VIDEO OUTPUT CHROMINANCE...

Page 3: ...removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as alminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only...

Page 4: ...5 13 12 10 11 POWER REW PLAY button MIC 1 jack 5 10 Disc tray STOP button MIC VOLUME 1 knob 2 7 12 FWD button Display window 4 OPEN CLOSE button 9 14 REW button IR SENSOR 3 MIC VOLUME 2 knob 8 13 POW...

Page 5: ...installation the both ends of the laser diode are short circuited After replacing the parts with new ones remove the short circuit according to the correct procedure See this Technical Guide 2 Do not...

Page 6: ...5 1 Optical pickup Unit Explosed View and Part List Pic 1...

Page 7: ...MIDDLE A 1 7 1EA2511A29400 GEAR MIDDLE B 1 8 1EA2744A03000 SHAFT SLIDE 1 9 1EA2744A03100 SHAFT SLIDE SUB 1 10 1EA2812A15300 SPRING COMP TYOUSEI 3 11 1EA2812A15400 SPRING COMP RACK 1 21 1EA0B10B20100 A...

Page 8: ...t wheel 17 Pick up 5 gearwheel 18 switch 6 iron chip 19 Five pin flat plug 7 Immobility mechanism equipment 20 screw 8 Magnet 21 PCB 9 Platen 22 motor 10 Bridge bracket 23 Motor wheel 11 screw 24 scre...

Page 9: ...h a soldering iron after a circuit is connected Keep the power source of the pick up protected from internal and external sources of electrical noise Refrain from operation and storage in atmospheres...

Page 10: ...onnect the oscilloscope to the video output terminal and terminate at 75 ohms 2 Confirm that luminance signal Y S level is 1000mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Titl...

Page 11: ...tput terminal and terminate at 75 ohme 2 Confirm that the chrominance signal C level is 621 mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Title 46 DVDT S15 PLAY Title 12 DVDT S0...

Page 12: ......

Page 13: ...r Sectors can be locked in system or via programming equipment Temporary Sector Unprotect feature allows code changes in previously locked sectors Unlock Bypass Program Command Reduces overall program...

Page 14: ...ss time ns tACC 70 90 120 Max CE access time ns tCE 70 90 120 Max OE access time ns tOE 30 35 50 Input Output Buffers X Decoder Y Decoder Chip Enable Output Enable Logic Erase Voltage Generator PGM Vo...

Page 15: ...12 DQ4 VCC DQ11 DQ3 DQ10 48 33 47 46 45 44 43 42 41 40 39 38 37 36 35 34 25 32 31 30 29 28 27 26 A1 A15 A18 A14 A13 A12 A11 A10 A9 A8 A19 NC WE RESET NC NC RY BY A17 A7 A6 A5 A4 A3 A2 1 16 2 3 4 5 6 7...

Page 16: ...22 RESET A18 A17 A7 A6 A5 A4 A3 A2 A1 A0 CE VSS OE DQ0 DQ8 DQ1 DQ9 DQ2 DQ10 DQ3 DQ11 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 WE A19 A8 A9 A10 A11 A12 A13 A14 A15 A16 BYTE VSS...

Page 17: ...16 bit mode CE Chip enable OE Output enable WE Write enable RESET Hardware reset pin RY BY Ready Busy output N A SO 044 VCC 3 0 volt only single power supply see Product Selector Guide for speed opti...

Page 18: ...f consecutive read or write cycles initiated by a single control command Burst length of 1 2 4 8 or Full page and the burst count sequence sequential or interleave A burst of read or write cycles in p...

Page 19: ...ite Enable RAS CAS and WE define the operation Refer function truth table for details LDQM UDQM Data Input Output Mask Controls output buffers in read mode and masks input data in write mode DQ0 DQ15...

Page 20: ...olumn Pre Decoders Column Add Counter Row active Column Active Burst Counter Data Out Control CAS Latency Internal Row counter DQ0 DQ1 DQ14 DQ15 refresh Self refresh logic timer Pipe Line Control I O...

Page 21: ...grates the MediaTek 2nd generation front end analog RF amplifier and the Servo MPEG AV decoder The progressive scan of the MT1389 utilized a proprietary advanced motion adaptive de interlace algorithm...

Page 22: ...output or digital output Embedded Micro controller Built in 8032 micro controller Built in internal 373 and 8 bit programmable lower address port 1024 bytes on chip RAM Up to 4M bytes FLASH programmin...

Page 23: ...e echo Microphone tone control Vocal mute vocal assistant Key shift up to 8 keys Chorus Flanger Harmony Reverb Channel equalizer 3D surround processing include virtual surround and speaker separation...

Page 24: ...G4 KS4 14 SEG5 KS5 15 GR6 23 SEG6 KS6 16 SEG7 KS7 17 SEG8 KS8 18 SEG9 KS9 19 SEG10 KS10 20 SEG11 21 SEG12 GR7 22 VDD 25 GND 26 GR5 24 GR4 27 GR3 28 GND 29 GR2 30 GR1 31 GND 32 U401 PT6961 LEDAT LEDCK...

Page 25: ......

Page 26: ...TC512 47uF 50V TC506 1000uF 10V TC505 1000uF 10V TC509 1000uF 10V TC510 1000uF 10V 2 3 4 1 5 CN501 XS05 D508 HER105 C507 101 TC503 470uF 16V R511 220R 1W FB 4 GND 1 D 2 VCC 3 U501 5L0380R R507 1K R504...

Page 27: ......

Page 28: ...100p R607 1K R608 1K C608 102 R602 22K TC605 22uF 16V TC603 4 7uF 16V TC606 22uF 16V TC604 4 7uF 16V TC601 4 7uF TC602 4 7u 9VA R617 100K R621 10ohm1 6W TC615 47uF 16V C601 104 R622 10ohm1 6W TC616 4...

Page 29: ......

Page 30: ...TURN 17 V OUT 19 GND 21 A B IN 2 A COM 4 A A IN 6 FUNC SW 8 CONT 10 NC 12 RETURN 14 BLK I O 16 TRTURN 18 V IN 20 JK706 VJS3921 R704 4 7K R705 75R V701 8050 V702 8050 R708 33R R709 330R R710 2 2K 10V A...

Page 31: ......

Page 32: ...SO V1P4 V1P4 ADIN L202 FB 89V33 PWR A16 A15 A14 A13 A12 A11 A10 A9 A20 PCE A1 PRD AD0 AD1 AD2 AD3 AD4 AD5 AD6 A21 AD7 A17 A0 V18 VSCK VSDA VSTB SCL SDA RXD TXD URST IR DQM0 DQS0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ...

Page 33: ...D DV937K C2152 104 C2151 104 C2150 104 TC203 10uF 16V A5VV VGND R222 0R DNS XI Q204 9016 RAS 17 CS 18 CAS 16 CKE 34 A0 21 A1 22 A2 23 A3 24 A4 27 A5 28 A6 29 A7 30 A8 31 A9 32 A10 20 BA A11 19 CLK 35...

Page 34: ...2141 104 C2142 104 C2143 104 9V AGND SDATA2 SDATA1 SDATA0 SLRCK SACLK SBCLK SCL SDA RESET LL RS RR LS LFE C R2132 20K C2116 102 OKA AGND R2156 20K R2136 6 8K R2148 6 8K R2152 6 8K R2153 6 8K R2154 6 8...

Page 35: ......

Page 36: ...R242 16 SMD RESISTOR 1 16W 4 7K 5 16 R238 R240 R2130 R2131 R2134 R2135 R2138 R2140 R2142 R21 43 R2146 R2147 R2150 R2151 17 SMD RESISTOR 1 16W 6 8K 5 6 R2136 R2148 R2152 R2155 18 SMD RESISTOR 1 16W 10K...

Page 37: ...5 C286 40 SMD CAPACITOR 50V 102 10 0603 9 C2112 C2115 C288 C2118 C2 121 C2124 C2127 C223 C278 41 SMD CAPACITOR 50V 122 10 0603 6 C2122 C2129 C2130 C2133 C 2135 C2136 42 SMD CAPACITOR 50V 152 10 0603 1...

Page 38: ...PED 10 1 R506 3 METAL OXIDE FILM RESISTO 1W330 5 SHAPED R 15 8 1 R511 4 CARBON FILM RESISTOR 1 4W10K 5 SHAPED 10 1 R507 5 CARBON FILM RESISTOR 1 4W1M 5 SHAPED 10 1 R504 6 METAL FILM RESISTOR 1 4W4 7K...

Page 39: ...m 1 CN504 42 SOCKET 2P 8 0mm 2 2 BCN501 BCN502 43 CONNECTION CORDS 0 6 SHAPED 7 5mm 2 J506 J503 44 CONNECTION CORDS 0 6 SHAPED 10mm 4 L502 J501 J505 45 CONNECTION CORDS 0 6 SHAPED 12 5mm 2 J507 J502 4...

Page 40: ...FLAT CABLE 6P80 2 5 2 SOCKET WITH NEEDLE 1 XS601 25 MICROPHONE SOCKET CK3 6 35 106 2 MIC601 MIC602 26 CONNECTION CORDS 0 6 SHAPED 7 5mm 3 JP601 JP602 JP603 4 OUTPUT BOARD MATERIAL SPECIFICATIONS PART...

Page 41: ...EL MATERIAL SPECIFICATIONS PART NUMBER QUANTITY LOCATION 1 SOFT SPONGE 10 10 6 DOUBLE FACED HARD 1 FOR IR SENSOR 2 CARBON FILM RESISTOR 1 4W100 5 1 R411 3 CARBON FILM RESISTOR 1 4W51K 5 1 R401 4 LIGHT...

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