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VESTEL MB185 IDTV, Service Manual

The VESTEL MB185 IDTV is a cutting-edge television with advanced features. For troubleshooting and maintenance, you can easily download the free Service Manual from manualshive.com. This comprehensive manual will guide you through setup, operation, and repair, ensuring optimal performance of your TV. Download now for hassle-free viewing experience.

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PANEL_VCC

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:

30/04/2021:15:43

VBYONE

8

<YOUR NAME HERE>

17MB185

100n 

C177

VES12P

C173

100n 

VES12N

100n 

C175

VES11N

C171

100n 

VES11P

100n 

C172

C170

100n 

100n 

C169

C167

100n 

100n 

C168

C165

100n 

100n 

C166

C161

100n 

VBY_0N

VBY_0P

VBY_1N

VBY_1P

VES7P

VES7N

VES8P

VES8N

VES9P

VES9N

VES10P

VES10N

VES5P

VES5N

VES6P

VES6N

C162

100n 

100n 

C160

C156

100n 

VBY_2N

VBY_2P

VBY_3N

VBY_3P

VBY_4N

VBY_4P

VBY_5N

VBY_5P

VBY_6N

VBY_6P

VBY_7N

VBY_7P

OP_PIN35

OP_PIN38

PAN_SDA

PANEL_VCC

33k

R215

OP_PIN33

OP_PIN34

OP_PIN37

BSN20

Q113

PANEL_VCC

R230

10k

10k

R239

PAN_SCL

R210

10k

OP_PIN36

OP_PIN35

OP_PIN28

OP_PIN29

OP_PIN30

OP_PIN31

VBY_0P

VBY_0N

VBY_7N

VBY_7P

VBY_6N

VBY_6P

VBY_5N

VBY_5P

VBY_4N

VBY_4P

VBY_3N

VBY_3P

VBY_2N

VBY_2P

VBY_1N

VBY_1P

S130

OP_PIN28

S125

OP_PIN32

S126

VBY_LOCKN

VBY_HTPDN

TP132

OP_PIN38

S128

10k

R211

R216

33k

PANEL_VCC

OP_PIN36

OP_PIN32

10k

R208

R207

33k

PANEL_VCC

OP_PIN31

OP_PIN33

S132

OP_PIN37

PANEL_VCC

PAN_SCL

OP_PIN30

PANEL_VCC

33k

10k

R209

S123

OP_PIN29

S124

PAN_SDA

S131

OP_PIN34

PANEL_VCC

R220

33k

R221

10k

R217

33k

10k

R212

PAN_SCL

S127

TCON_SCL

PAN_SDA

TCON_SDA

R205

33k

1k

F116

F117 1k

VBY_LOCKN

VBY_HTPDN

PANEL_VCC

VES_LOCKN

TCON5/MCLK

100n 

C174

Q114

BSN20

4k7

R153

3V3_STBY

TP130

TP129

TP128

TP127

TP126

TP125

TP124

TP123

TP122

TP121

TP120

TP119

TP118

TP117

TP116

TP131

TP133

Q109
BC848B

1

2

3

12V_STBY

10k

R152

1

2

TP103

1

FDC642P

Q101

1

3

4

5

6

2

33k

R164

1

2

R106

33k

1

2

C110

2

1

25V

220n 

R111

47R

1

2

PANEL_VCC

PANEL_VCC_ON/OFF

1n 
50V

C141

47R

R107

1

2

TCONLESS/VBYONE SOCKET

PANEL I2C BUFFER

opt.

75LG_VCC

10V

C104

100n 

10V

100n 

C103

PANEL_VCC

12V_STBY

GPIO0_PM_/_PWM_PM1_/_SD_CDZ_/_PM_SPI_DI

GPIO1_PM_/_PM_TX_/_PM_SPI_DO

GPIO5_PM_/_PM_RX_/_PM_SPI_CK

GPIO6_PM_/_PM_SPI_CZ1

GPIO2_PM__CHIP_CONFIG_

GPIO9_PM__CHIP_CONFIG_

GPIO10_PM__CHIP_CONFIG_

PWR_CTRL

PWM_PM

RESET

DDCR_CK

DDCR_DA

DDCA_CK

DDCA_DA

SAR0

SAR1

SAR2

VPLUGIN

VID0

VID1

LD_SPI_MISO_/_SPI2_DI

LD_SPI_CS_/_SPI2_CK

LD_SPI_CK_/_SPI1_CK

LD_SPI_MOSI_/_SPI1_DI

GPIO0

LVSYNC_/_Mini_A_5-_/_VX1_0-

LHSYNC_/_M_/

LDE_/_Mini_A_4-_/_VX1_1-

LCK_/_M_/

LVB0-_/_Mini_A_3-_/_VX1_2-

LVB0+_/_M_/

LVB1-_/_Mini_A_CK-_/_VX1_3-

LVB1+_/_Mi_/

LVB2-_/_Mini_A_2-_/_VX1_4-

LVB2+_/_M_/

LVBCLK-_/_Mini_A_1-_/_VX1_5-

_/_M_/

LVB3-_/_Mini_A_0-_/_VX1_6-

LVB3+_/_M_/

LVB4-_/_Mini_B_5-_/_VX1_7-

LVB4+_/_M_/

LVA0-_/_Mini_B_4-_/_Vx1_OSD_00-

LVA0+_/_M_/_Vx1

LVA1-_/_Mini_B_3-Vx1_OSD_01-

LVA1+_/_M_/_Vx1

LVA2-_/_Mini_B_CK-_/_Vx1_OSD_02-

LVA2+_/_Mi_/_Vx1

LVACLK-_/_Mini_B_2-_/_Vx1_OSD_03-

_/_M_/_Vx1

LVA3-_/_Mini_B_1-_/_LOCKN

LVA3+_/_M_/_HTPDN

LVA4-_/_Mini_B_0-_/_OSD_LOCKn

LVA4+_/_M_/_OSD_HTPDn

TCON0

TCON1

TCON2

TCON3

TCON4

PWM0

PWM1

TESTPIN

Mini_C_5-

M

Mini_C_4-

M

Mini_C_3-

M

Mini_C_CK-

Mi

Mini_C_2-

M

Mini_C_1-

M

Mini_C_0-

M

Mini_D_5-

M

Mini_D_4-

M

Mini_D_3-

M

Mini_D_CK-

Mi

Mini_D_2-

M

Mini_D_1-

M

Mini_D_0-

M

SAR3

PWM2

GPIO11

GPIO12

VID2

GPIO7_PM

GPIO8_PM

GPIO9

GPIO10

GPIO11_PM

GPIO12_PM

4

R2

AC4

M2

N2

AH3

M1

C1

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

D1

A14

F3

E3

E4

D4

AC16

D5

F11

D8

D6

M4

L3

F7

E9

F12

D10

U2

D11

E12

D7

E10

P3

E7

E8

D9

C19

M3

AB4

AD16

AB9

D12

E11

H1

MT9685LAAJAC

U108

VES12N

VES_LOCKN

TCON5/MCLK

3V3_VCC

10k

1

R185

2

1

2

R183

10k

3V3_VCC

HP_DETECT

BACKLIGHT_DIM

BACKLIGHT_ON/OFF_OUT

AMP_MUTE

STBY_ON/OFF

LED1

1k

R248

D108

1N4148

3V3_STBY

100n 

C299

10V

10k

R247

C295
100n 
10V

POWER_SENSE

PANEL_VCC_ON/OFF

KEYBOARD

CORE_VID0

WOWL_EN

3V3_STBY

DEBUG_TX

DEBUG_RX

4k7

R244

4k7

R241

3V3_STBY

F124

F122

CHIP CONFIGURATION

nc

nc

3V3_STBY

3V3_STBY

R260

4k7

R256

4k7

4k7

R245

4k7

R246

PANEL_VCC

PANEL_VCC

LNB_FAULT

GPIO9_PM

CN101

7

6

5

4

3

2

1

R206

330pF

needs GND shielding

C325

1n2 

POWER_SENSE

1k

R274

1k

R275

C3V6

D109

R273

10k

12V_VCC

DEBUG_TX

DEBUG_RX

UART DEBUG

GPIO2_PM

CN108

6

5

1

2

3

4

S136

S137

F119

F120

F121

VES12P

VES11N

VES11P

VES10N

VES10P

VES9N

VES9P

VES8N

VES8P

VES7N

VES7P

VES6N

VES6P

VES5N

VES5P

VES4N

VES4P

VES3N

VES3P

VES2N

VES2P

VES1N

VES1P

TCON6/GCLK

TCON7/EO

S118

S117

TCON0

S115

S116

S113

S110

S114

TCON1/GST

TCON2

TCON3

TCON4

VES12P

VES12N

VES11N

VES11P

VES7P

VES7N

VES8P

VES8N

VES9P

VES9N

VES10P

VES10N

VES5P

VES5N

VES6P

VES6N

VES1P

VES1N

VES2P

VES2N

VES3P

VES3N

VES4P

VES4N

F103

F101

PMIC_GPIO

DEMURA_DO

DEMURA_DI

DEMURA_CLK

DEMURA_DO

DEMURA_CS

DEMURA_DI

DEMURA_CLK

DEMURA_WP

TCON0

TCON1/GST

TCON2

TCON3

TCON4

TCON5/MCLK

TCON6/GCLK

TCON7/EO

LOCKN

C157

50V

10p 

GPIO10_PM

7

8

9

10

11

12

13

14

CN106

68

67

66

65

64

63

62

61

70

69

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

6

5

4

3

2

1

PANEL_VCC

PAN_SCL

PAN_SDA

S135

S134

R224

10k

10k

R236

10k

R238

R237

10k

Value Description

3'b010 ARM boot from ROM; outer storage is eMMC

3'b011 ARM boot from ROM; outer storage is NAND

 CHIP_CONFIG[2:0]={PAD_PM_GPIO9,PAD_PM_GPIO10,PAD_PM_GPIO2}

GPIO9_PM

GPIO10_PM

nc

GPIO2_PM

3V3_STBY

R271

4k7

R272

4k7

GPIO2_PM

4k7

3V3_STBY

DEMURA_CS

GPIO10_PM

R385

4k7

R387

4k7

R388

4k7

3V3_VCC

1

2

3

12

14

25

33

35

7

34

31

17

24

29

11

19

20

21

32

30

4

5

27

15

6

10

8

23

13

22

18

26

16

28

9

44

49

56

51

42

58

50

52

54

53

55

57

43

47

48

61

37

59

40

36

46

41

45

38

62

39

60

CN124

5

6

20

12

9

10

18

14

17

21

8

15

23

13

3

4

22

11

19

2

7

1

16

24

32

52

31

33

34

39

49

51

35

36

44

53

38

40

54

46

55

41

25

45

26

27

48

28

43

56

29

30

42

37

47

50

62

CN125

57

58

59

60

61

VES12P

VES12N

VES11N

VES11P

VES7P

VES7N

VES8P

VES8N

VES9P

VES9N

VES10P

VES10N

VES5P

VES5N

VES6P

VES6N

VES1P

VES1N

VES2P

VES2N

VES3P

VES3N

VES4P

VES4N

PMIC_GPIO

DEMURA_DO

DEMURA_CS

DEMURA_DI

DEMURA_CLK

TCON1/GST

TCON2

TCON3

TCON5/MCLK

TCON6/GCLK

TCON7/EO

LOCKN

PAN_SCL

PAN_SDA

R382

TP191

TP192

Q100

FDS4685

6

8

4

7

5

2

1

3

*

FS102

7A/32VDC

S209

*

*

*

* JUST ONE OF THEM SHOULD BE USED

1V8 TCON Level Shifter

VES_LOCKN

2

3

Q112

1

R181

10k

PANEL_VCC

S119

R182

10k

R187

10k

LOCKN

PESD9N5VH

D123

CN105

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

fds4685

fds4685

CONN_FFC_LVDS_51P_0.5mm_SMD_R/A_W/PL

kon51-2exp

AMP_RST

10k

R393

3V3_VCC

3V3_STBY

4k7

R432

WIFI_RST

LNB_ENABLE

BT_WAKE

LED2

S1

3V3_STBY

WOWL_DET

R1

4k7

CPU_VID1

CPU_VID2

3V3_STBY

GPIO9_PM

4k7

R5

4k7

R6

4k7

R7

4k7

R8

4k7

R9

FF_LED

USB_ENABLE_1

4k7

R10

MIC_PWR_CTL

S163

100n 

16V

C298

Summary of Contents for MB185 IDTV

Page 1: ...MB185 IDTV SERVICE MANUAL...

Page 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...

Page 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...

Page 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...

Page 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...

Page 6: ...5...

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

Page 8: ...7 Features Block Diagram...

Page 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...

Page 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...

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

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

Page 13: ...12...

Page 14: ...13...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 25: ...24...

Page 26: ...25...

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

Page 28: ...27 Features...

Page 29: ...28...

Page 30: ...29...

Page 31: ...30...

Page 32: ...31...

Page 33: ...32...

Page 34: ...33...

Page 35: ...34...

Page 36: ...35 Recommended operating condition...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 43: ...42...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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