background image

12 

26” TFT TV Service Manual 

04/03/2005

 

30 GND

LLC

 

SUPPLYD 

Ground, LLC Circuitry 

31 Y7 

OUT  GND

Y

 

Picture Bus Luma (MSB) 

32 Y6 

OUT  GND

Y

 

Picture Bus Luma 

33 Y5 

OUT  GND

Y

 

Picture Bus Luma  

34 Y4 

OUT  GND

Y

 

Picture Bus Luma 

35 GND

Y

 

SUPPLYD 

Ground, Luma Output Circuitry 

36 V

SUPY

 

SUPPLYD 

Supply Voltage, Luma Output Circuitry 

37 Y3 

OUT  GND

Y

 

Picture Bus Luma  

38 Y2 

OUT  GND

Y

 

Picture Bus Luma  

39 Y1 

OUT  GND

Y

 

Picture Bus Luma  

40 Y0 

OUT  GND

Y

 

Picture Bus Luma (LSB) 

41 C7 

OUT  GND

C

 

Picture Bus Chroma (MSB) 

42 C6 

OUT  GND

C

 

Picture Bus Chroma  

43 C5 

OUT  GND

C

 

Picture Bus Chroma  

44 C4 

OUT  GND

C

 

Picture Bus Chroma  

45 V

SUPC

 

SUPPLYD 

Supply Voltage, Chroma Output Circuitry 

46 GND

C

 

SUPPLYD 

Ground, Chroma Output Circuitry 

47 C3 

OUT  GND

C

 

Picture Bus Chroma  

48 C2 

OUT  GND

C

 

Picture Bus Chroma  

49 C1 

OUT  GND

C

 

Picture Bus Chroma  

50 C0 

OUT  GND

C

 

Picture Bus Chroma (LSB) 

51 GND

SY

 

SUPPLYD 

Ground Sync Pad Circuitry 

52 V

SUPSY

 

SUPPLYD 

Supply Voltage, Sync Pad Circuitry 

53 INTLC  OUT  LV 

Interlace 

Output 

54 

AVO 

OUT 

LV 

Active Video Output 

55 

FSY/HC/HSYA  OUT 

LV 

Front Sync/ Horizontal Clamp Pulse/Front-End 
Horizontal Sync Output  

56 

MSY/HS 

IN/OUT 

LV 

Main Sync/Horizontal Sync Pulse 

57 

VS 

OUT 

LV 

Vertical Sync Pulse 

58 FPDAT/VSYA 

IN/OUT 

LV 

Front 

End/Back-End Data/Front-End Vertical Sync 

Output  

59 V

STBYY

 

SUPPLYA 

Standby Supply Voltage 

60 

CLK5 

OUT 

LV 

CCU 5 MHz Clock Output 

61 

NC 

LV or GND

D

 Not 

Connected 

62 XTAL1  IN 

Analog 

Crystal 

Input 

63 XTAL2  OUT  X 

Analog 

Crystal 

Output 

64 

ASGF 

 

Analog Shield GND

F

 

65 GND

F

 

SUPPLYA 

Ground, Analog Front-End 

66 

VRT 

OUTPUT 

Reference Voltage Top, Analog 

67 I2CSEL  IN 

I

2

C Bus Address Select 

68 

ISGND 

SUPPLYA 

Signal Ground for Analog Input, connect to GND

F

 

69 V

SUPF

 

SUPPLYA 

Supply Voltage, Analog Front-End 

70 VOUT 

OUT  LV 

Analog 

Video 

Output 

71 

CIN 

IN 

LV 

Chroma/Analog Video 5 Input 

72 

VIN1 

IN 

VRT 

Video 1 Analog Input 

73 

VIN2 

IN 

VRT 

Video 2 Analog Input 

74 

VIN3 

IN 

VRT 

Video 3 Analog Input 

75 

VIN4 

IN 

VRT 

Video 4 Analog Input 

76 V

SUPAI

 

SUPPLYA 

Supply Voltage, Analog Component Inputs Front-End 

77 GND

AI

 

SUPPLYA 

Ground, Analog Component Inputs Front-End 

78 

VREF 

OUTPUT 

Reference Voltage Top, Analog Component Inputs 
Front-End 

79 

FB1IN 

IN 

VREF 

Fast Blank Input 

80 

AISGND 

SUPPLYA 

Signal Ground for Analog Component Inputs, connect 
to GND

AI

 

 

Содержание 17MB08P

Страница 1: ...26 TFT SERVICE MANUAL 17MB08P RELEASE DATE 04 03 2005 PREPARED BY VESTEL ELECTRONICS...

Страница 2: ...THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 3: ...2 1 1 General Description 5 12 1 2 Features 5 12 1 3 Applications 5 12 1 4 Connection Diagrams 5 12 2 LM2576 6 12 2 1 General Description 6 12 2 2 Features 6 12 2 3 Pin description 6 12 3 LM317T 7 12...

Страница 4: ...5 MC141585 22 12 15 1 General description 22 12 15 2 Features 22 12 15 3 Pin Description 22 12 16 MC34063 24 12 16 1 Description 24 12 16 2 Features 24 12 16 3 Pin connections 24 12 17 MSP34X0G MSP341...

Страница 5: ...pedance has been designed for direct drive of a wide variety of SAW filters with sufficient suppression of triple transient Features of UV1316 1 Member of the UV1300 family small sized UHF VHF tuners...

Страница 6: ...he 6 outputs Each output can be switched on only one of each input On each input an alignment of the lowest level of the signal is made bottom of sync top for CVBS or black level for RGB signals Each...

Страница 7: ...S PDC WSS Acquisition Buffer directly accessible via MOVX UP to 16KByte on Chip Extended RAM XRAM consisting of 1 Kilobyte on chip ACQ buffer RAM access via MOVX 1 Kilobyte on chip extended RAM XRAM a...

Страница 8: ...e in P SDIP 52 9 SERIAL ACCESS CMOS 16K 2048 8 EEPROM ST24C16 The ST24C16 is a 16Kbit electrically erasable programmable memory EEPROM organised as 8 blocks of 256 8 bits The memory is compatible with...

Страница 9: ...2 5V 2 85V 3 3V and 5V The LM1117 offers current limiting and thermal shutdown Its circuit includes a zener trimmed bandgap reference to as sure output voltage accuracy to within 1 The LM1117 series i...

Страница 10: ...k is required or its size could be reduced dramatically A standard series of inductors optimized for use with the LM2576 are available from several different manufacturers This feature greatly simplif...

Страница 11: ...LM317 serves a wide variety of applications including local on card regulation This device can also be used to make a programmable output regulator or by connecting a fixed resistor between the adjust...

Страница 12: ...y mode except when the power supply is removed The device operates with a power supply value as low as 2 5V Both Plastic Dual in Line and Plastic Small Outline packages are available 12 4 2 Features 1...

Страница 13: ...same reference voltage on each input in order to have no differential voltage when switching two RGB generators An AC output signal higher than 2 Vpp makes gain going slowly down to 0dBto protect the...

Страница 14: ...uration In other case 1 word of 16 bits is necessary to determine one configuration 12 6 2 Features 20MHz Bandwidth Cascadable with another TEA6415C Internal address can be changed by pin 7 voltage 8...

Страница 15: ...80 pin PQFP package 12 7 2 Pin Connections and Short Descriptions NC not connected LV if not used leave vacant X obligatory connect as described in circuit diagram SUPPLYA 4 75 5 25 V SUPPLYD 3 15 3 4...

Страница 16: ...Front Sync Horizontal Clamp Pulse Front End Horizontal Sync Output 56 MSY HS IN OUT LV Main Sync Horizontal Sync Pulse 57 VS OUT LV Vertical Sync Pulse 58 FPDAT VSYA IN OUT LV Front End Back End Data...

Страница 17: ...ilities based on parallel attributes and Pixel oriented characters DRCS The 8 bit Microcontroller runs at 360 ns cycle time min Controller with dedicated hardware does most of the internal TTX acquisi...

Страница 18: ...2 eliminates the need for external heatsinks when playing music 12 9 2 Features 9 W Ch Into an 8 Load From 12 V Supply Efficient Class D Operation Eliminates Heatsinks and Reduces Power Supply Require...

Страница 19: ...requency Control AFC detector with 4 bit digital to analog converter AFC bits via I2 C bus readable TakeOver Point TOP adjustable via I2 C bus or alternatively with potentiometer Fully integrated soun...

Страница 20: ...cellent power supply ripple rejection Low power consumption Short circuit resistant High performance high signal to noise ratio High slew rate Low distortion Large output voltage swing 12 11 3 Pinning...

Страница 21: ...greater than most analog switches offered today A single 5V supply is all that is required for operation The PI5V330 offers a high performance low cost solution to switch between video sources The app...

Страница 22: ...he design kit is complete with hardware and software Software includes G Probe debug software G Wizard register calculator and G TV application source code The 6015RD1 is a related reference board tha...

Страница 23: ...ided in a space saving 80 lead LQFP surface mount plastic package and is specified over the 0C to 70C temperature range 12 14 2 Features 140 MSPS Maximum Conversion Rate 300 MHz Analog Bandwidth 0 5 V...

Страница 24: ...tive The input includes a Schmitt trigger for noise immunity with a nominal input threshold of 1 5 V VSYNC Vertical Sync Input This is the input for vertical sync SOGIN Sync on Green Input This input...

Страница 25: ...er operation the pixel clock generator PLL requires an external filter Connect the filter shown in Figure 6 to this pin For optimal performance minimize noise and parasitics on this node POWER SUPPLY...

Страница 26: ...ht of character and row to row spacing and full screen erasing and Fade In Fade Out are also incorporated There are 8 color selections for any individual character display with row intensity attribute...

Страница 27: ...Data is read at the rising edge of each clock signal VDD Pin 9 This is the power pin for the digital logic of the chip VSYNC Pin 10 Similar to Pin 5 this pin inputs a vertical synchronize signal to sy...

Страница 28: ...duty cycle oscillator with an active current limit circuit driver and high current output switch This series was specifically designed to be incorporated in Step Down and Step Up and Voltage Invertin...

Страница 29: ...urther simplifies controlling software Standard selection requires a single I C transmission only The MSP 34x0G has built in automatic functions The IC is able to detect the actual sound standard auto...

Страница 30: ...8 1 64 NC LV Not connected 11 7 6 80 63 STANDBYQ IN OBL Stand by low active 12 6 5 79 62 ADR_SEL IN OBL I 2 C bus address select 13 5 4 78 61 D_CTR_I O_0 IN OUT LV D_CTR_I O_0 14 4 3 77 60 D_CTR_I O_...

Страница 31: ...V SCART output 2 left 51 33 27 33 25 SC2_OUT_R OUT LV SCART output 2 right 52 32 NC LV Not connected 53 32 31 24 NC LV Not connected 54 31 26 30 23 DACM_SUB OUT LV Subwoofer output 55 30 29 22 NC LV N...

Страница 32: ...e strobe through a dedicated pin A Rising edge or Falling edge strobe transmitter will interoperate with a Falling edge strobe Receiver DS90CF386 DS90CF366 without any translation logic The DS90C385 i...

Страница 33: ...and provide superior switching performance These devices are particularly suited for low voltage applications such as notebook computer power management and other battery powered circuits where fast s...

Страница 34: ...e following menu appears on the screen After entering the Service menu you can access its items by pressing buttons In order to enter selected menu use buttons To exit the service menu press M button...

Страница 35: ...n Off If ON TV starts with APS menu at Start up A P S On Off Enables disables Automatic Programming System Headphone On Off Enables disables the usage of the HP and HP related items in Sound menu Vsr...

Страница 36: ...es NZ Standard NM On Off Enables disables NM Standard FM Prs Avl On Adjusts the FM Prescaler value when Automatic Volume Levelling is On Min Value 0000 00000 Max Value 00FF 00255 Options Equalizer BG...

Страница 37: ...s the FM Prescaler value when Automatic Volume Levelling is Off Min Value 0000 00000 Max Value 00FF 00255 Nicam Prs Avl Off Adjusts the Nicam Prescaler value when Automatic Volume Levelling is Off Min...

Страница 38: ...0000 Max Value 00FF 00255 Sound On Off Enables disables Sound Carrier On Off Enables disables sound Carrier feature RC_Options Adjusts the Remote Control type The values are 1 RCMM standard remote con...

Страница 39: ...l mode feature Enable 00000001 Disable 00000000 X Not used OTHER Adjusts the standard value for APS for Eastern European countries The values are 0 BG standard 1 DK standard X Not used LDLY Adjusts th...

Страница 40: ...or to Aps Wss Test parameter by pressing buttons in Service Menu and press button The following menu appears on the screen There are 7 items in the Aps Wss Test menu Programme Search VPS Pdc Format 1...

Страница 41: ...7 6 57 5 1 6 57 5 1 6 7 5 0 52 21752 5 6 0 0 521 6 7 7 7 5 6 7 5 6 57 8 2 1 287 5 8 2 1 5 8 2 1 5217B 8 2B5 5217B 8 2B 9 B 1387 8 2 6 7 0 67 3 8 2 1 3 B 1B 3 B 1B5 6 7 8 2 7 6 7 8 2 5 7 8 2 03 5 73 7...

Страница 42: ...38 26 TFT TV Service Manual 01 03 2005 15 CIRCUIT DIAGRAMS...

Страница 43: ...39 26 TFT TV Service Manual 01 03 2005...

Страница 44: ...40 26 TFT TV Service Manual 01 03 2005...

Страница 45: ...41 26 TFT TV Service Manual 01 03 2005...

Страница 46: ...42 26 TFT TV Service Manual 01 03 2005...

Страница 47: ...43 26 TFT TV Service Manual 01 03 2005...

Страница 48: ...44 26 TFT TV Service Manual 01 03 2005...

Страница 49: ...45 26 TFT TV Service Manual 01 03 2005...

Отзывы: