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VESTEL MB185 IDTV, Руководство по обслуживанию


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HOTPLUG2

HDMI_ARCP

47k

R311

1

2

R310

47k

1

2

CEC

HDMI1_CLKP

HDMI1_CLKN

HDMI1_RX0P

HDMI1_RX0N

HDMI1_RX1P

HDMI1_RX1N

HDMI1_RX2P

HDMI1_RX2N

HDMI1_5V

CEC

47k

R336

1

2

47k

R337

1

2

HDMI2_5V

HDMI2_RX2N

HDMI2_RX2P

HDMI2_RX1N

HDMI2_RX1P

HDMI2_RX0N

HDMI2_RX0P

HDMI2_CLKN

HDMI2_CLKP

8

7

6

5

4

3

2

1

A

B

C

D

E

F

A X M

1

2

3

4

5

6

7

8

A

B

C

D

E

F

A3

PROJECT NAME :

VESTEL

SCH NAME :

DRAWN BY :

T. SHT:

10/05/2021:14:09

HDMI_GPIO

8

<YOUR NAME HERE>

17MB185

HDMI2 (SIDE ARC)

HDMI3 (BACK)

HDMI1 (SIDE)

CEC

HDMI0_SDA

HDMI0_SCL

HDMI0_RX2N

HDMI0_RX2P

HDMI0_RX1N

HDMI0_RX1P

HDMI0_RX0N

HDMI0_RX0P

HDMI0_CLKN

HDMI0_CLKP

HDMI0_5V

2

1

R259

47k

2

1

47k

R258

S153

A_RX0N

A_RX0P

A_RX1N

A_RX1P

A_RX2N

A_RX2P

A_RXCN

A_RXCP

DDCDA_CK

DDCDA_DA

HOTPLUGA

HOTPLUGA_HDMI20_5V

B_RX0N

B_RX0P

B_RX1N

B_RX1P

B_RX2N

B_RX2P

B_RXCN

B_RXCP

DDCDB_CK

DDCDB_DA

HOTPLUGB

HOTPLUGB_HDMI20_5V

C_RX0N

C_RX0P

C_RX1N

C_RX1P

C_RX2N

C_RX2P

C_RXCN

C_RXCP

DDCDC_CK

DDCDC_DA

HOTPLUGC

HOTPLUGC_HDMI20_5V

D_RX0N

D_RX0P

D_RX1N

D_RX1P

D_RX2N

D_RX2P

D_RXCN

D_RXCP

DDCDD_CK

DDCDD_DA

HOTPLUGD

HOTPLUGD_HDMI20_5V

CEC0

NC

LINEIN_L0

LINEIN_R0

LINEOUT_L0

LINEOUT_R0

EARPHONE_OUTL

EARPHONE_OUTR

VAG

VRM_ADC

I2S_OUT_MCK

I2S_OUT_BCK

I2S_OUT_WCK

I2S_OUT_SD0

I2S_OUT_SD1

I2S_OUT_SD2

SPDIF_OUT

I2S_IN_BCK

I2S_IN_WCK

I2S_IN_DIN0

I2S_IN_DIN1

I2S_IN_DIN2

HDMIRX_ARCTXP

SPDIF_IN

DMIC_BCK

DMIC_SD0

DMIC_SD1

DMIC_SD2

MICIN1

MICCM0

MICCM1

MICIN0

3

HDMI0_RX2N

HDMI0_RX2P

HDMI0_RX1P

HDMI0_RX1N

HDMI0_RX0P

HDMI0_RX0N

HDMI0_CLKP

HDMI0_CLKN

HDMI0_SCL

HDMI0_SDA

HDMI0_5V

HOTPLUG0

CEC

HDMI1_RX2N

HOTPLUG1

HDMI1_RX2P

HDMI1_RX0P

HDMI1_RX0N

HDMI1_5V

HDMI1_RX1P

HDMI1_RX1N

HDMI1_CLKP

HDMI1_CLKN

HDMI1_SCL

HDMI1_SDA

HOTPLUG2

HDMI2_RX2N

HDMI2_RX2P

HDMI2_RX0P

HDMI2_RX0N

HDMI2_5V

HDMI2_RX1P

HDMI2_RX1N

HDMI2_CLKP

HDMI2_CLKN

HDMI2_SCL

HDMI2_SDA

C347

1u 

6V3

HDMI_ARCP

S151

HP_RIGHT

HP_LEFT

CLOSE TO MSTAR IC

SPDIF_OUT

R1

R2

R3

R4

R1

R2

R3

R4

7

6

8

5

4

3

22R

2

R254

1

AOLRCK_SW

12p  C321

AOSDATA0

8

7

6

22R

5

3

4

2

1

R255

C319

12p 

AOSDATA0_SW

12p 

C318

AOBCK_SW

AOMCLK

AOLRCK

AOBCK

HOTPLUG0

HDMI2_SDA

HDMI2_SCL

HDMI1_SCL

HDMI1_SDA

DEBUG_TX

DEBUG_RX

U108

MT9685LAAJAC

AB5

AA6

AB6

AA5

B19

B18

C18

B17

L1

AD15

L5

L4

K7

K5

K6

L2

K4

J3

J2

K3

H2

K2

AH5

AG5

AH4

AF4

AF6

AE6

AF5

AE5

AE15

AD14

Y7

Y4

W6

W5

AE3

AE1

AH2

AG3

AG2

AG1

AF2

AF1

U4

V6

V7

W7

AB1

AA3

AD3

AD2

AC3

AC2

AB3

AB2

AB12

AB13

AD13

AC13

AF10

AG9

AH12

AG12

AF12

AG11

AF11

AG10

AC12

AE11

AD12

AD11

AG13

AH13

AG16

AF16

AG15

AF15

AG14

AF14

1

CN113

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

33R

R262

100R

R308

33R

R332

R315

33R

3n3 

C322

S143

C323

3n3 

S144

16V

100n 

C296

F126

220R

33R

R257

33R

R261

CN109

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

33R

R263

CN110

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

33R

R316

33R

R309

R314

33R

33R

R333

33R

R335

33R

R334

R277

470R

15p 

50V

C328

R283

470R

MIC_MCK

MIC_D0

S179

S180

SHLD2

SHLD1

NC2

NC1

RCT

TD+

RD-

RD+

TCT

TD-

ETHERNET

IR_RC

1

10k

2

R354

IR_FROM_ETH

1

TP156

5V_STBY

1k

F141

F139

1k

5V_STBY

C404

1u 

1

TP158

IR_FROM_ETH

ETH_TP

ETH_TN

ETH_RP

ETH_RN

S154

Q123

BC848B

S164

CN112

3

9

6

8

1

2

5

10

4

7

S155

S157

S158

C397

1u 

5V_STBY

ETH_PIN2

ETH_PIN1

DIMMING

Q105

2

1

BSH103

3

DIMMING

1

10k

2

R142

S106

4k7

R141

1

2

5V_VCC

BACKLIGHT_DIM

10k

R143

1

2

TP110

KEYBOARD

TP152

KEYBOARD_ONBOARD

1

5

CN115

4

2

3

6

D117

5

CDA4C16GTH

4

8

6

1

3

7

2

TP157

TP162

TP160

TP155

TP153

1k

F133

F138 1k

3V3_STBY

47R

1

2

R341

KEYBOARD

R342

10k

3V3_STBY

TACT SWITCH

TP101

2

1

47R

R102

C108

100n 

10V

D100

BZT52C5V6LP

4k7

R101

SW100

KEYBOARD_ONBOARD

LED&IR&ALS

***HOTEL TV OPTIONS***

2

220R

1

R360

LED2

1

2

10k

R376

5V_STBY

220R

R377

2

1

BC858B

Q125

220R

2

1

R380

2

1

220R

R370

2

10k

1

R379

BC848B

3

Q127

1

2

LED1

BC848B

3

Q126

2

1

2

1

10k

R361

10k

R362

2

1

4

5

1

2

3

CN118

Q128

BC858B

1

TP161

1

TP159

1

TP164

1

TP179

F140

1k

2

1

27p 

50V

C403

IR_RC

150R

R378

TP108

1

C5V6

D119

5V_STBY

3

2

9

8

4

1

CN120

7

5

10

6

3V3_VCC

F147

1k

5

6

2

3

4

1

CN119

KEYBOARD_ONBOARD

1

2

R281

10k

S148

S156

3V3_STBY

10k

R282

2

1

S146

S159

3V3_STBY

DEBUG_RX

DEBUG_TX

ETH_PIN2

ETH_PIN1

VIN

VCC

GND

SPDIF OUT

3

2

1

FB100

BC848B

Q120

JK101

2

3

1

100n 

10V

C351

2

1

50V

C364
22p 

1k

F130

100n 

10V

C363

R325

220R

C357

10V

100n 

R317

4k7

1

2

2

4k7

1

R318

22p 
50V

C356

100R

R324

220R

R326

1

TP145

1

TP148

5V_VCC

SPDIF_OUT

SPDIF_COAX

SPDIF_COAX

100n 

C429

6V3 1u 

C442

HDMI_ARCN

47k

R415

2

1

R410

10k

22n 

L118

HDMI_ARCN

HOTPLUG2

1

2

R416

47k

10k

R411

L119

22n 

HDMI_ARCP

HDMI2_5V

R412

10k

e-ARC

200R

5.1K

1.2K

5.1K

2

1

4k7

R434

F152

60R

60R

F153

F154

1k

5V_VCC

TCON_SCL

TCON_SDA

MIC_D1

S11

3V3_VCC

4k7

R250

CI_PWR_CTL

4k7

R12

1k

R456

1

2

5V_VCC

2

1

BC848B

3

Q129

10k

R440

HOTPLUG0

1k

R457

1

2

HDMI0_5V

BC848B

Q130

2

1

3

R441

10k

1k

R458

2

1

5V_VCC

Q131

3

2

BC848B

1

R442

10k

R459

2

1

1k

BC848B

1

Q132

3

2

R443

10k

HOTPLUG2

R452

33R

HDMI_ARCN

HDMI2_5V

2

1

1k

R460

5V_VCC

2

3

BC848B

Q133

1

10k

R444

1k

1

2

R461

2

BC848B

Q134

1

3

10k

R445

HOTPLUG1

HDMI1_5V

HOTPLUG1

R453

33R

R454

33R

R455

33R

D132

PESD9N5VH

1

2

R446

10k

1

2

R447

10k

100n 

16V

C307

SYS_SCL

SYS_SDA

ALS_SCL

ALS_SDA

ALS_SCL

ALS_SDA

S12

S13

TP2

TP3

TP4

TP5

TP6

TP7

TP8

TP9

TP10

TP11

TP12

TP13

TP14

Содержание MB185 IDTV

Страница 1: ...MB185 IDTV SERVICE MANUAL...

Страница 2: ...SWITCH ADJ SAFE TPS25221 SOT23 6 U117 U109 37 9 CI INTERFACE 38 10 SOFTWARE UPDATE 39 Main Software Update 39 11 TROUBLESHOOTING 39 A No Backlight Problem 39 B CI Module Problem 41 C IR Problem 43 D K...

Страница 3: ...eatre sound processor Rich internet connectivity and completed digital home network solution Dual stream decoder for 3D contents Multi purpose CPU for OS and multimedia Peripheral and power management...

Страница 4: ...3 SSB LAYOUT Power Con MAIN IC CI LAN LNB ANT HDMI HP USB USB S PDIF Internal Wifi BT Connector LED CON T C O N B O A R D EMMC Audio Amp Speaker Con HDMI HDMI Subwoofer Amp Subwooferr Con...

Страница 5: ...eed for external filtering For the best performance with next generation digital TV standards such as DVB T2 C2 the Si2151 delivers industry leading phase noise performance Features Worldwide hybrid T...

Страница 6: ...5...

Страница 7: ...6 3 S S2 TUNER U3 OPTIONAL Description Figure 2 Pin description...

Страница 8: ...7 Features Block Diagram...

Страница 9: ...lection DRC dynamic range control mute and volume control functions AD82587D has many built in protection circuits to safeguard AD82587D from connection errors Features 16 18 20 24 bit input with I2 S...

Страница 10: ...4_ 0 24 THD N Sounds processing including Volume control 24dB 103dB 0 125dB step Dynamic range control Power clipping Channel mixing User programmed noise gate with hysteresis window DC blocking high...

Страница 11: ...10 Figure 4 Functional Block Diagram Table 1 Absolute Maximum Ratings Table 2 Recommended Operating Conditions...

Страница 12: ...11 B SUB WOOFER AMPLIFIER U1...

Страница 13: ...12...

Страница 14: ...13...

Страница 15: ...s used for taking 12V_STBY voltage which is produced in power card Also socket is used for giving dimming backlight and standby signals with power card Power socket pinning is shown in above figure 12...

Страница 16: ...omponents SW 1 Q103 FDS4685 8 2A 40V SW 2 Q104 DMG8402LDM 4 2A 30V DC DC 1 U101 TPS54528 ADJ 5A DC DC 2 U102 TPS563201 ADJ 3A DC DC 3 U105 TPS563201 ADJ 3A DC DC 4 U106 TPS563201 ADJ 3A DC DC 5 U113 T...

Страница 17: ...16 A FDS4685 8 2A 40V Q103 Figure Pin description...

Страница 18: ...02LDM Q104 Features Low RDS ON Low Input Capacitance Fast Switching Speed Low Input Output Leakage Lead Free By Design RoHS Compliant Note 1 Qualified to AEC Q101 Standards for High Reliability Pin de...

Страница 19: ...ions and Eco mode operation at light loads Eco mode allows the TPS54528 to maintain high efficiency during lighter load conditions The TPS54528 also has a proprietary circuit that enables the device t...

Страница 20: ...gh Side and 36 m Low Side High Efficiency less than 10 A at shutdown High Initial Bandgap Reference Accuracy Adjustable Soft Start Pre Biased Soft Start 650 kHz Switching Frequency fsw Cycle By Cycle...

Страница 21: ...ivalent series resistance ESR output capacitors such as specialty polymer and ultra low ESR ceramic capacitors with no external compensation components TPS562200 and TPS563200 operate in Advanced Eco...

Страница 22: ...VLO and TSD Protections Fixed Soft Start 1 ms APPLICATIONS Digital TV Power Supply High Definition Blu ray Disc Players Networking Home Terminal Digital Set Top Box STB Recommended Operating Condition...

Страница 23: ...22 Electical Characteristics Pin functions and Electrical Characteristics...

Страница 24: ...23 E MP8774GQ Z 12A QFN16 U122 Pin Assignment...

Страница 25: ...24...

Страница 26: ...25...

Страница 27: ...26 6 MICROCONTROLLER MTK G31 U108 Description...

Страница 28: ...27 Features...

Страница 29: ...28...

Страница 30: ...29...

Страница 31: ...30...

Страница 32: ...31...

Страница 33: ...32...

Страница 34: ...33...

Страница 35: ...34...

Страница 36: ...35 Recommended operating condition...

Страница 37: ...ntroller insulates NAND technology from the host This leads to faster product development as well as faster times to market The embedded flash management software or FTL Flash Transition Layer of eMMC...

Страница 38: ...37 8 USB INTERFACE USB POWER SWITCH ADJ SAFE TPS25221 SOT23 6 U117 U109...

Страница 39: ...38 9 CI INTERFACE 17MB185 Digital CI ve Smart Card Interface Block diagram Figure CI interface...

Страница 40: ...of the USB ports on your TV 3 Power on TV and wait until you see the bootlogo 4 You should see logs like below 11 TROUBLESHOOTING A NO BACKLIGHT PROBLEM Problem If TV is working led is normal and ther...

Страница 41: ...40 Panel power supply should be in panel specs Please check Q151 shown below also it can be checked TP276 STBY_ON OFF should be low for TV on condition please check Q114 s collector...

Страница 42: ...tects pins mechanical positions of pins CI supply should be 5V when CI module inserted If it is not 5V please check CI_PWR_CTRL this pin should be low Please check mechanical position of CI module Is...

Страница 43: ...42...

Страница 44: ...43 C IR PROBLEM Problem LED or IR not working Check LED card supply on 17MB185 chasis...

Страница 45: ...working Check keypad supply on 17MB185 E USB PROBLEMS Problem USB is not working or no USB Detection Check USB Supply It should be nearly 5V Also USB Enable should be logic high USB Control is option...

Страница 46: ...s Check supply voltages of 24V_VCC VDD_AUDIO and 3V3_AMP with a voltage meter There may be a problem in headphone connector or headphone detect circuit when headphone is connected speakers are automat...

Страница 47: ...ts may give a clue about the problem You can use VGA for Teraterm program connection H NO SIGNAL PROBLEM IN DVB S S2 MODE Problem No signal or Low signal in DVB S S2 mode Check signal cables and LNB v...

Страница 48: ...T MODE Problem No signal or Low signal in DVB T mode Check signal cables and LNB voltage if there is no problem check SI2151 U118 supply voltages 3V3_TUNER If the above measurements are OK then chang...

Страница 49: ...te controller You can see the service menu main screen below You can check SW releases by using this menu under Diagnostic title In addition you can make changes on video settings audio settings DAP P...

Страница 50: ...49 13 GENERAL BLOCK DIAGRAM...

Страница 51: ...C361 27p LNB_OUT C386 50V 1n 0p5 C382 50V 50V C384 1n C387 50V 1n C385 50V 3p3 1n 50V C383 C388 50V 1n LNB_ENABLE SYS_SDA SYS_SCL SYS_SDA SYS_SCL 13 10 9 11 12 5 16 15 14 M88TS6011 6 2 7 8 1 3 4 U114...

Страница 52: ...U5 C4 A20 J5 D17 B3 A3 H5 P7 B2 E17 B1 E18 A6 Y8 C3 J4 E14 B4 Y3 B20 B5 C5 V5 H6 AC5 D14 C2 A5 AC9 P2 B6 C6 B10 B9 E2 B15 A19 F4 B7 B8 C8 A9 B12 C12 C13 B14 E5 C17 F6 C9 C14 A10 C10 D18 D2 B11 F5 C11...

Страница 53: ..._HUB_DP USB_HUB_DN S175 S174 S171 S169 C408 18p 50V C420 50V 18p 2 4 1 3 X103 24MHz 1M R369 R346 100k 100k R347 100k R348 2 R321 4k7 1 2 1 R320 4k7 1 4k7 R319 2 DAA_SPDIF CN116 2 8 7 6 5 4 3 1 60R F13...

Страница 54: ...15 14 13 12 11 10 9 8 7 6 5 4 3 2 33R R262 100R R308 33R R332 R315 33R 3n3 C322 S143 C323 3n3 S144 16V 100n C296 F126 220R 33R R257 33R R261 CN109 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5...

Страница 55: ..._D1 TS1_D2 TS1_D3 TS1_D4 TS1_D5 TS1_D6 TS1_D7 TS1_CLK TS1_VLD TS1_SYNC PCM2_WAIT_N 2 U108 AD18 R28 T26 R26 V27 W26 U27 V26 T27 R27 U26 T28 AB22 AC19 AB18 AC22 AE20 AD20 AC20 AB20 AE21 AB19 AD19 AD17 A...

Страница 56: ...R265 33k R267 10k 1 2 AMP_EN 100k R269 1 2 BC848B Q116 3 2 1 R279 100k 1 2 16V C317 100n 4k7 R253 AMP_MUTE 5V_VCC 4k7 R252 R290 10k1 2 10k R278 1 10k R289 1 2 100u C343 16V 1 2 VDD_AUDIO S150 1 2 10k...

Страница 57: ...AF3 AE25 AE16 AE10 AE9 AE7 AE4 AE2 AD26 AD10 AD6 AD5 AD4 AC10 AB14 AA2 W10 W9 W8 V11 V12 V18 K27 K10 K9 J12 J10 J9 J8 J7 H26 H25 H21 H20 H19 H18 H16 H15 H14 H13 H4 G26 G25 G24 G22 G21 N22 N21 N20 N19...

Страница 58: ...2 F105 60R S103 F106 60R CN102 12 11 10 9 8 7 6 5 4 3 2 1 CN103 12 11 10 9 8 7 6 5 4 3 2 1 TP111 1 TP113 1 TP112 1 TP114 1 power_pin1 power_pin1 power_pin9 power_pin9 Backlight On Off Circuit NC R2 n...

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