BBK DL385DC Service Manual Download Page 21

广东步步高电子工业有限公司AV厂

BBK

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标准化

比例

质量

数量

23

85

VIDEO&AUDIO

DL385

R351

75R

C335

270PF

C338

330p

L330

1.8uH 1608

1.0

Y3

L317

102BED

C342

20pF

VGND

CVBS

R352

75R

C334

270PF

C337

330p

L329

1.8uH 1608

VGND

Y2

R350

75R

C333

270PF

C336

330p

L328

1.8uH 1608

VGND

Y1

L316

102BED

L315

102BED

C343

20pF

VGND

TC303

10uF/25V

TC307

10uF/25V

R315

4.7K

R313

5.1K

C318

102

C320

100P

R316

20K

R317

20K

C319

100P

C317

102

R312

5.1K

R314

4.7K

+8V

+8V

3

2

1

4

8

U305A

4580

5

6

7

4

8

U305B

4580

AGND

AGND

TC304

10uF/25V

TC308

10uF/25V

CH-R

CH-L

AGND

C322

102

C321

102

L326

102BED

L301

102BED

R328

330R

R318

330R

R327

560R

R319

560R

R320

100K

R321

100K

V301

2SC1815-Y

V302

2SC1815-Y

Lt

Rt

LOUT

ROUT

R310

6.8K

R311

6.8K

C315

122

C316

122

MUTE-1

C348

104

C301

104

TC306

10uF/25V

C349

104

TC305

10uF/25V

R303

0R

R302

0R

RST

1

SDA

2

SCLK

3

LRCK

4

MCLK

5

DIF1

6

DIF0

7

DEM0

8

MUTEC

16

AOUTA

15

VA

14

AGND

13

AOUTB

12

REF-GND

11

VQ

10

FILT+

9

U304

CS4340/1

R304

0R

AGND

RR

LL

MUTEC

RST#

SDATA0

SBCLK

SLRCK

SACLK

A5V

AGND

R326

39K

R322

47K

+8V

SPDIF#

R346

33R

DV33

AGND

C307

104

TC320

10uF/25V

IN

3

GND

2

OUT

1

U301

AN77L08M

+9V

+8V

AGND

+8V

AGND

TC301

47uF/10V

4

2

1

3

JK208

VIDEO-OUT

R308

15K

1

2

R309

15K

ALIN

ARIN

4

2

1

3

JK204

Ain

TC309

10uF/25V

TC310

10uF/25V

ALIN

AIN-DET

ARIN

R329

1K

R330

1K

R340

82K

AGND

VCC

C332

27pF

1

3

11

10

2

JK206

Vin

4

2

1

3

JK207

S-Video

TC302

10uF/25V

R341

1K

VD303

1N4148

R342

1K

AGND

MUTE-1

V306

8050

V304

8550

MUTEC

V303

8550

R331

1K

R332

1K

VCC

R333 1K

VD301

1N4148

MUTE_DAC

2

3

4

1

5

6

JK203

OPTICAL

2

3

4

1

5

6

JK203

A-out

C306

104

L331

102BED

CVS

V5V

AGND

C346

104

Y

YC-C

C#

Y#

C308

104

AGND

ACLK

SACLK

ABCK

SBCLK

ALRCK

SLRCK

ASDAT0

SDATA0

1

2

3

4

8

7

6

5

RN301

33R

VGND

V5V

AGND

MUTE9V

9VIN

VGND

V5V

VGND

V5V

IN

3

GND

2

OUT

1

U302

78L05

+9V

L327

102BED

TC319

10uF/25V

VGND

VCC

L

R

C311

104

4

2

1

3

JK306

HP

C309

104

L318

FCM2012-120T2A

PGND

VDD

AGND

VCC

C345

47uF/10V

TC318

10uF/25V

TC327

47uF/10V

TC328

47uF/10V

TC316

10uF/25V

R343

1K

AGND

L325

FCM2012-120T2A

IN

3

GND

2

OUT

1

U303

78L05

GND

TC312

47uF/10V

+9V

TC317

10uF/25V

GND

2

1

3

VD304

MMBD4148SE

2

1

3

VD305

MMBD4148SE

2

1

3

VD306

MMBD4148SE

VGND

A5V

VCC

9VIN

PGND

Q302

OPEN

R363

OPEN

V5V

R364

0R

Q301

OPEN

R361

OPEN

V5V

R362

0R

VCC

VCC

DV33

DV33

P/N

SDA

SCL

ZOOM

P/N

SDA

SCL

ZOOM

NFC

NFC

Y1

Y2

Y3

Y1

Y2

Y3

ACLK

ABCK

ALRCK

ASDATA0

ACLK

ABCK

ALRCK

ASDATA0

MUTE_DAC

MUTE_DAC

AIN-DET

AIN-DET

RST#

RST#

SPDIF#

SPDIF#

STBTA

STBTA

+7.5V

+7.5V

BL9V

BL9V

+17V

-13V

+17V

-13V

VIN

VIN

TC221

100uF/16V

TC222

100uF/16V

VR201

50K*2

LOUT

ROUT

R276

1K

R277

1K

PGND

R2140

20K

R2141

DNS

R2143

20K

R2142

DNS

R274

51K

R275

51K

C287

OPEN

C286

OPEN

C2103

105

C2102

105

C2128

105

LSOUT+

LSOUT-

RSOUT-

RSOUT+

PGND

R2144

100K

R367

100K

VDD

R2146

470R

V308

8050

R2366

1K

SHDN

1

GND

2

+OUA

3

VDD

4

-OUA

5

-INA

6

GND

7

+INA

8

+INB

13

BYPASS

14

-INB

15

-OUB

16

VDD

17

+OUB

18

GND

19

HP-IN

20

GND

9

GND

10

GND

11

GND

12

U209

LM4863MTE

VDD

HP-L

HP-R

HP-V1

PGND

+5V#

L339

102BED

C#

Y#

VGND

L338

102BED

C359

27pF

C360

27pF

VGND

SCL

SDA

-13V

+17V

+5V

GND

L336

102BED

L332

1R

L334

102BED

L335

102BED

C354

104

C355

101

GND

ZOOM

L341

102BED

L337

102BED

GND

+7.5V

P/N

CVBS/YC CTRL

L342

102BED

L343

102BED

GND

C356

101

C357

101

C358

101

C353

104

C352

104

C350

104

L340

102BED

2

3

1

XS205

XS03

BL9V

GND

BLCTL

CVBS/YC CTRL

CVBS/YC CTRL

R368

100K

VD203

1N4148

VD204

1N4148

vout

1

vout

5

GND

2

ce

4

vin

3

U306

RT9701

+5V

GND

STBTA

V307

8050

GND

R365

1K

GND

GND

HP-V2

VCC

BLCTL#

BLCTL#

BLCTL#

HP-V2

HP-L

HP-R

HP-V2

HP-L

HP-R

PGND

PGND

LSOUT+

LSOUT-

LSOUT+

LSOUT-

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

XS203

GND

GND

R125

75R

R132

75R

R144

560R

R145

560R

HPL

HPR

V309

2SC1815-Y

V310

2SC1815-Y

PGND

PGND

MUTE-1

MUTE-1

HPR

HPL

SHDN

SHDN

PGND

R2368

20K

R2367

470R

C347

47uF/10V

VD307

1N4148

PGND

VDD

MUTE9V

ZD403

5.1V

PGND

STB

R366

1K

Q408

8050

P/N1

DV33

V311

8050

R371

1K

C344

20pF

Summary of Contents for DL385DC

Page 1: ...SERVICE MANUAL DL385DC...

Page 2: ...TATIC E LE CTR ICITY DIS CHAR GE 4 5 E LE CTR ICAL CONFIR MATION 5 5 1 VIDE O OUTPUT LUMINANCE S IGNAL CONFIR MATION 5 5 2 VIDE O OUTPUT CHR OMINANCE S IGNAL CONFIR MATION 6 6 MPE G BOAR D CHE CK WAV...

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: ...indicator 8 PREV Button 10 PLAYbutton PAUSE button 11 RIGHT direction arrow 12 UP direction arrow 15 13 14 2 1 3 5 14 17 16 15 18 19 7 9 6 8 10 11 1134 12 OPEN CLOSE button DVD READER button DOWN dir...

Page 5: ...Button 12 8 CURSOR Buttons SELECT Button 9 Fall tone KEY Button 15 Switch the TV system between PAL NTSC and AUTO P N Button 17 Rise tone KEY Button 16 Adjusting sound field effects SF Button 19 Adju...

Page 6: ...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 7: ...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 8: ...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 9: ......

Page 10: ...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 11: ...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 12: ...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 13: ...n Automatic Erase Algorithm Preprograms and Erases Any Combination of Sectors or the Entire Chip n n n n n Erase Suspend Erase Resume Suspends an erase operation to allow reading data from or programm...

Page 14: ...e d o m y b d n a t S e h t n i d e c a l p s i e c i v e d E O t u p n I w o L e v i t c a e l b a n E t u p t u O r o f d e t a g e n d n a s n o i t a r e p o d a e r r o f d e t r e s s A g n i r...

Page 15: ...RY BY NC A 18 NC DQ 2 DQ 10 DQ 11 DQ 3 A 7 A 17 A 6 A 5 DQ 0 DQ 8 DQ 9 DQ 1 A 3 A 4 A 2 A 1 A 0 CE OE VSS 48 Ball FBGA Bottom View Standard TSOP48 A 11 A 10 5 6 A 9 A 8 7 8 A 19 NC 9 10 WE RESET 11 1...

Page 16: ...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 17: ...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 18: ...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 19: ...ND DV33 2 3 4 1 5 6 8 9 10 7 11 12 14 15 16 13 17 18 20 21 22 19 23 24 26 27 28 25 29 30 XS101 XS30 GND SUBD SUBA A IOA DVDRFIP SPLRCK C B SUBB SUBC L116 0R L113 0R L112 0R L111 0R VR CD VR DVD MDI1 L...

Page 20: ...LIMIT FG FG URST URST IR IR DQS0 VCC VCC DV33 DV33 COVER_SW COVER_SW POWEROFF_DET DV33 POWEROFF_DET LOWBAT_DET LOWBAT_DET VSDA VSDA SCL SDA SCL SDA L216 102BED DV33 DVDRFIP DVDRFIP SPLRCK SPLRCK SPLR...

Page 21: ...HP C309 104 L318 FCM2012 120T2A PGND VDD AGND VCC C345 47uF 10V TC318 10uF 25V TC327 47uF 10V TC328 47uF 10V TC316 10uF 25V R343 1K AGND L325 FCM2012 120T2A IN 3 GND 2 OUT 1 U303 78L05 GND TC312 47uF...

Page 22: ...0uH C412 0 22UF C440 220PF C442 470PF C418 105 16V C401 1UF R403 47K R404 47K R418 10K R411 1K R427 12K TC401 47uF 16V TC424 47uF 16V R405 47K R401 33K R417 30K TR 2 NON1 3 INV1 4 CT 1 FB1 5 DT1 6 OUT...

Page 23: ...3 3V VCCK GNDK VCCK R462 OPEN 3 3V SD_CDN R463 10K R461 10K 3 3V SMWPN L413 FCM2012 120T2A VCC2CARD SDPWR SD_CDN R445 6 2R Q403 SI2305DS MSPWR MS_INS R446 6 2R Q407 SI2305DS R449 0R R450 0R R444 DNS...

Page 24: ......

Page 25: ......

Page 26: ......

Page 27: ...11 OSC0 10 VDD 8 REM 7 KI O0 21 KI O1 20 KI O2 19 KI O3 18 KI O4 17 KI O5 16 KI O6 15 KI O7 14 SEL 9 VSS 12 CSS 22 DREN 13 U401 HT6222 VSDA VD402 1N4148 VD403 1N4148 KI4 SW412 SW1 SW413 SW1 SW414 SW1...

Page 28: ......

Page 29: ...C39 1u B U5 TDA4665 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VP2 NC3 GND2 I C SAND NC4 I C I C VP1 GND1 VO R Y VO B Y NC2 VI B Y NC1 VI R Y C78 22n B VCOM 1 1 R80 330R C52 2 2u B C77 0 1u B R94 75R C64...

Page 30: ...STH1 STH2 CPH3 STV2 CPH2 RL CPH1 HDO2 JUST POSSET PD QVDZMSEL VDD VCO1 VCO0 AGND RESET HD0T1 UONS W H HPOS4 HPOS3 HPOS2 HOPS1 PN1 VDD VSS R14 22k R62 OPEN R13 47k R15 1M C101 10u 25V L3 10uH C14 0 1u...

Page 31: ......

Page 32: ......

Page 33: ......

Page 34: ......

Page 35: ......

Page 36: ...3 R87 R89 R57 0090029 SMD RESISTOR 1 16W 47K 5 0603 PCS 2 R13 R56 0090030 SMD RESISTOR 1 16W 56K 5 0603 PCS 2 R53 R54 0090032 SMD RESISTOR 1 16W 68K 5 0603 PCS 3 R10 R16 R81 0090034 SMD RESISTOR 1 16W...

Page 37: ...ZONTAL PCS 1 XS501 2150152 SCREEN SHIELDED CORD 22 75mm 1P SCREEN SHIELDED PCS 1 1632396 PCB F385 0 PCS 1 4 TESTING SWITCH BOARD MATERIAL CODE MATERIAL NAME SPECIFICATIONS UNIT UANTI LOCATION 1910101...

Page 38: ...5 SHAPED VERTICAL 5 PCS 2 R1 R7 0090286 SMD RESISTOR 1 16W62 5 0603 PCS 1 R10 0090181 SMD RESISTOR 1 16W 100 5 0603 PCS 1 R11 0090017 SMD RESISTOR 1 16W 2 2K 5 0603 PCS 1 R14 0010304 METAL OXIDE FILM...

Page 39: ...03 PCS 5 R144 R145 R319 R327 R476 0090249 SMD RESISTOR 1 16W 510 5 0603 PCS 1 R236 0090013 SMD RESISTOR 1 16W 680 5 0603 PCS 2 R109 R110 0090014 SMD RESISTOR 1 16W 1K 5 0603 PCS 23 R214 R215 R276 R277...

Page 40: ...CAPACITOR 16V 473 10 0603 PCS 2 C259 C260 0310594 SMD CAPACITOR 25V 104 10 0603 PCS 97 C103 C107 C109 C110 C112 C117 C125 C126 C201 C215 C217 C248 C269 C301 C306 C309 C311 C346 C 348 C350 C352 C354 C...

Page 41: ...9FP HSOP PCS 1 U103 881994 IC MT1389FE QFP PCS 1 U201 881405 IC BA5954FM HSOP PCS 1 U104 882269 IC AAT1343T2 TSSOP PCS 1 U401 882268 IC AAT1102M MSOP PCS 1 U405 882105 IC LM393 SO8 PCS 1 U105 881182 I...

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