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No. 0210

MAIN BOARD - I/O CIRCUIT

MMC_CVBS

IDTV/MMC/DVD_CVBS

S21

2

VCCA_3V3

VGA_VSIN

VGA_HSIN

V

G

A

_

R

I

N

DDC_DATA_PC

R

2

1

2

2

k

100R

R219

R209

75R

1

0

k

R

2

1

7

R

2

1

1

2

k

VGA_VSIN

V

G

A

_

G

I

N

VCC_5V

DDC_5V

R238

22R

DDC_CLK_PC

DDC_CLK_PC

V

G

A

_

B

I

N

V

C

C

_

5

V

R214

22R

R208

75R

R215

22R

R210

75R

DDC_DATA_PC

R213

22R

100R

R218

1

0

k

R

2

1

6

IC211

74LVC14A

1A

1

2 1Y

3 2A

4 2Y

5 3A

6 3Y

7

GND

8

4Y

9

4A

10

5Y

11

5A

12

6Y

13

6A

14

VCC

ST24LC21

IC212

1

NC1

3

NC3

6

SCL

8

VCC

2

NC2

4

VSS

7

VCLK

5

SDA

PL200

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

1N4148

D20

0

1N4148

D20

1

DDC_5V

1

6

V

1

0

0

n

C

2

8

9

1

6

V

1

0

0

n

C

3

0

2

B

Z

T

5

5

C

1

2

D

2

5

0

1

B

Z

T

5

5

C

1

2

D

2

5

0

2

D-SUB 15 PC INPUT & DDC CIRCUIT

PGAGND

PGAGND

SVHS_Y_IN

1k

R241

SC2_V_OUT

AV1_V_IN

10k

R225

100R

R226

V

8

R221

10k

R230
100R

75R

R240

R229

4R7

75R

R235

R206
100R

R242

1k

BC848B

Q203

R

2

0

5

7

5

R

R

2

0

3

7

5

R

SC2_V_IN

10k

R220

V

8

CVBS_SVP

BC848B

Q200

L20

0

R223

10k

TUN1_CVBS

R201

75R

V8

R

2

0

4

7

5

R

75R

R237

SCL

VxtoVPC

SDA

R224

10k

SC1_V_IN

R239

1k

VCC_8V

BC848B

Q202

R222

10k

R202

75R

R227
100R

R207
100R

V

8

VCC_8V

TEA6415C

IC210

1

INPUT1

2

DATA

3

INPUT2

4

CLOCK

5

INPUT3

6

INPUT4

7

PROG

8

INPUT5

9

VCC

10 INPUT6

11

INPUT7

12

GND1

13

OUTPUT1

14

OUTPUT2

15

OUTPUT3

16

OUTPUT4

17

OUTPUT5

18

OUTPUT6

19

GND2

20

INPUT8

TUN2_CVBS

VCC_8V

S200

S201

5

0

V

3

9

p

C

2

5

9

16V

220n

C260

16V

220n

C265

5

0

V

3

9

p

C

2

6

8

1

6

V

2

2

0

n

C

2

7

3

16V

220n

C274

16V

220n

C275

3

9

p

C

2

7

6

16V

220n

C279

5

0

V

3

9

p

C

2

8

0

16V

220n

C282

1

6

V

1

0

0

u

C

2

8

3

5

0

V

3

9

p

C

2

8

5

25V

47p

C287

16V

220n

C288

16V

220n

C291

5

0

V

3

9

p

C

2

9

2

1

6

V

1

0

0

n

C

2

9

4

5

0

V

3

9

p

C

2

9

7

1

0

u

C

2

9

8

5

0

V

2

2

u

C

2

9

9

2

5

V

4

7

p

C

3

0

3

IDTV/MMC/DVD_CVBS

75R

R264

39p

C304

SC3_V_IN

7

5

R

R

2

0

0

7

5

R

R

2

3

1

BC848B

Q1004

BC848B

Q2000

100R

R1033

100R

R2001

75R

R1046

1k

R1045

75R

R2002

1k

R2003

V

8

V

8

SC1_V_OUT

SC3_V_OUT

VIDEO SWITCH TEA6415C

MAIN PICTURE
TO SVP

 

GOES TO VPC3230
FOR PIP PICTURE

CONNECT

N.C

N.C

N.C

N.C

N.C

N

.C

N

.C

MMC_CVBS

MMC_B

PL1

1

2

3

4

5

6

MMC_R

MMC_G

DVD_12V_SENSE

S213

MMC/DVD
VIDEO INPUTS

SVHSfromSC2_C

SC2_G

S

C

1

_

V

_

I

N

S

C

1

_

A

U

D

I

O

_

L

_

O

U

T

P

I

N

8

_

S

C

1

S

C

1

_

F

B

7

5

R

R

2

6

0

3

3

0

R

R

2

5

4

75R

R261

SC2_V_IN

L207

L

2

0

5

330R

R249

S

C

1

_

G

3

3

0

R

R

2

5

2

SC2_AUDIO_L_IN

L209

330R

R253

1

5

0

p

C

2

5

3

5

0

V

50V

150p

C252

S205

L203

L204

L

2

1

0

SC2_V_OUT

S

C

1

_

R

PIN8_SC2

L208

L214

S

C

1

_

A

U

D

I

O

_

L

_

I

N

SC2_R

L

2

0

6

S

C

1

_

A

U

D

I

O

_

R

_

I

N

SC2_AUDIO_R_OUT

L

2

1

1

S

C

1

_

A

U

D

I

O

_

R

_

O

U

T

1

5

0

p

C

2

4

8

SC2_AUDIO_R_IN

SC2_B

S

C

1

_

V

_

O

U

T

SC2_AUDIO_L_OUT

S

C

1

_

B

S204

BZT55C10

D214

B

Z

T

5

5

C

1

0

D

2

1

3

D203

B

Z

T

5

5

C

1

0

D

2

0

4

PL203

1

2

3

4

5

6

7

8

9

1

0

1

1

1

2

1

3

1

4

1

5

1

6

1

7

1

8

1

9

2

0

2

1

L

2

1

2

L213

D205

D207

D208

D211

D

2

1

2

D

2

1

0

D

2

0

6

D

2

0

9

D

2

0

2

1

5

0

p

C

2

5

0

5

0

V

4

n

7

C

2

5

8

50V

1n

C264

4n7

C266

5

0

V

1

n

C

2

6

7

50V

4n7

C269

5

0

V

1

5

0

p

C

2

7

0

150p

C277

150p

C278

50V

4n7

C284

50V

150p

C286

150p

C293

1n

C296

5

0

V

1

n

C

3

0

1

SC2_FB

75R

R275

75R

R276

D218

S

2

2

0

S

2

2

1

D

2

1

9

D

2

2

0

S

C

3

_

V

_

O

U

T

4n7

C2044

1n

C2040

D

2

0

0

1

P

I

N

8

_

S

C

3

L

2

0

0

3

3

3

0

R

R

2

0

2

4

1

5

0

p

C

2

0

3

9

50V

150p

C2038

L

2

0

0

6

BZT55C10

D2000

S

C

3

_

V

_

I

N

B

Z

T

5

5

C

1

0

D

2

0

0

2

L2007

L

2

0

0

5

4n7

C2045

3

3

0

R

R

2

0

2

5

L2008

50V

1n

C2042

L

2

0

0

4

S

C

3

_

A

U

D

I

O

_

L

_

I

N

S

C

3

_

A

U

D

I

O

_

R

_

I

N

S

C

3

_

A

U

D

I

O

_

R

_

O

U

T

S

C

3

_

A

U

D

I

O

_

L

_

O

U

T

BZT55C10

D221

B

Z

T

5

5

C

1

0

D

2

2

2

BZT55C10

D223

BZT55C10

D224

BZT55C10

D2003

BZT55C10

D2004

BZT55C5V1

D2100

TV_LINK

B

Z

T

5

5

C

1

0

D

2

1

0

1

BZT55C10

D2102

BZT55C10

D2500

BZT55C10

D2103

BZT55C10

D2104

BZT55C10

D2105

16V

100n

C2049

S

C

S

D

A

S

C

S

C

L

PL205

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

S

V

H

S

fr

o

m

S

C

2

_

C

S

6

3

6

7

5

R

R

2

8

5

7

5

R

R

2

8

7

7

5

R

R

2

8

6

75R

R288

75R

R290

75R

R289

N

.C

N.C

RGB_SW2

STBY_3V3

SDA2

330R
R256

RGB_SW1

SCL2

gnd

IC213

PCF8574

A0

1

A1

2

A2

3

P0

4

P1

5

P2

6

P3

7

VSS

8

4

9

P5 10

P6 11

P7 12

INT 13

SCL 14

SDA 15

VDD 16

330R
R255

RGB_SW3

4

k

7

R

2

5

7

S

T

B

Y

_

3

V

3

4

k

7

R

2

4

6

4

k

7

R

2

4

8

4

k

7

R

2

5

8

gnd

PANEL_VCC_ON/OFF

4

k

7

R

2

5

9

16V

100n

C290

CHROMA_SW

4

k

7

R

2

6

5

DISP_EN/PDWN

4

k

7

R

2

7

7

LG_1/IRQPDP

S

T

B

Y

_

3

V

3

S

6

3

7

S

2

2

3

V

C

C

A

_

3

V

3

V

C

C

A

_

3

V

3

S

6

4

9

S

6

5

0

SW_ENABLE

 PORT EXPANDER

74HC595D

IC214

Q1

1

Q2

2

Q3

3

Q4

4

Q5

5

Q6

6

Q7

7

8

GND

9

Q7OUT

10

MR

11

SHCP

12

STOP

13

OE

14

DSERIAL

15

Q0

16

VCC

1

0

0

n

C

2

0

5

1

1

0

0

n

C

2

0

5

2

1

5

0

k

R

2

8

0

STBY_5V

1

0

0

n

C

2

0

5

3

1

0

0

n

C

2

8

1

10k

R279

VGA_VSIN

VGA_HSIN

1

0

k

R

2

8

2

1

0

k

R

2

8

1

BC848C

Q207

V

C

C

A

_

3

V

3

1

0

k

R

2

8

3

PC_STBY

BC848C

Q208

4

7

k

R

2

8

4

PC STAND-BY

AV_AUDIO_R_IN

L201

AV_AUDIO_L_IN

CIN

L202

AV1_V_IN

SVHS_Y_IN

5

0

V

1

5

0

p

C

2

6

1

220n

C262

39p

C263

1

n

C

2

7

1

5

0

V

1

n

C

2

7

2

BZT55C5V1

D215

D216

D217

PL201

1

2

3

4

5

6

7

8

75R

R232

N.C

EXTERNAL INPUT

V

C

C

_

1

2

V

T

X

O

U

T

3

-

D

I

S

P

_

E

N

/

P

D

W

N

T

X

O

U

T

0

-

PANEL_VCC

T

X

C

L

K

O

U

T

-

T

X

O

U

T

2

-

PL103

1

2

3

4

5

6

7

8

9

1

0

1

1

1

2

1

3

1

4

1

5

1

6

1

7

1

8

1

9

2

0

2

1

2

2

2

3

2

4

2

5

2

6

2

7

2

8

2

9

3

0

T

X

O

U

T

3

+

T

X

O

U

T

0

+

T

X

O

U

T

1

+

T

X

O

U

T

1

-

T

X

O

U

T

2

+

T

X

C

L

K

O

U

T

+

P

A

N

E

L

_

V

C

C

V

C

C

_

1

2

V

V

C

C

A

_

3

V

3

S

1

1

1

5

V

S

1

1

2

S

1

1

3

4

k

7

R

2

5

0

4

k

7

R

2

5

1

V

C

C

A

_

3

V

3

V

C

C

A

_

3

V

3

S

6

3

8

S

6

3

9

C

P

U

_

G

O

P

D

P

_

G

O

/

B

L

_

O

N

_

O

F

F

L

G

_

1

/

I

R

Q

P

D

P

S640

S

6

4

1

S

6

4

2

S

6

4

3

S

1

0

9

S

C

L

_

P

A

N

E

L

S

D

A

_

P

A

N

E

L

S

6

4

6

S

6

4

7

P

A

R

I

T

Y

V

C

C

A

_

3

V

3

S

6

4

8

LVDS OUTPUT

SCL2

SDA2

ST24LC

21

IC215

1

NC1

3

NC3

6

SCL

8

VCC

2

NC2

4

VSS

7

VCLK

5

SDA

VCC_5V

SDA_PANEL

SCL_PA

NEL

S

6

4

4

S

6

4

5

I2C BUFFER FOR PANEL

BC848C

Q204

BC848C

Q205

BC848C

Q206

V

8

CHROMA_SW

1

0

k

R

2

6

7

CIN

C_SELECTED

1

k

R

2

7

4

SVHSfromSC2_C

1

6

V

1

0

0

n

C

2

0

5

0

47k

R269

4

7

k

R

2

6

8

1

8

k

R

2

6

6

1

0

k

R

2

7

3

S633

100R

R270

S634

S635

16V

220n

C246

16V

220n

C245

CHROMA SWITCH

S

E

L

S651

4k7

R271

VCC_5V

VCCA_3V3

S652

DIMMING SELECTION

38

TFT TV Service Manual

10µ

L925

VCC_5V

7

5

R

R

2

9

1

M
M
C

V

I

D

E

O
 I

N

P

U

T

S

 

7

5

R

7

5

R

R

2

9

2

R

2

9

3

SELECTABLE VIDEO OUT
FOR  SCART 2

Содержание 32LD8600

Страница 1: ...weise zur Produktsicherheit in diesem Wartungshandbuch zu lesen SERVICE MANUAL MANUEL D ENTRETIEN WARTUNGSHANDBUCH Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manuel d entretien peuvent faire l objet de modifications en vue de perfectionner le produit Die in diesem Wartungshandbuch enthaltenen Spezifikationen können sich z...

Страница 2: ...s 8 11 4 SVP EX 52 8 11 4 1 General Description 8 11 5 TL431 8 11 5 1 General Description 8 11 5 2 Features 8 11 6 24C32 8 11 6 1 General Description 8 11 6 2 Features 8 11 6 3 Pinning 9 11 7 74LVC14A 10 11 7 1 Description 10 11 7 2 Features 10 11 7 3 Pinning 10 11 8 TEA6420 11 11 8 1 Features 11 11 8 2 Description 11 11 8 3 Pin Connections 11 11 9 CS4334 11 11 9 1 Features 11 11 9 2 General Descr...

Страница 3: ...s 21 11 19 PCF8574 22 11 19 1 General Description 22 11 19 2 Features 22 11 19 3 Pinning 22 11 20 PI5V330 23 11 20 1 General Description 23 11 21 SDA55XX SDA5550 23 11 21 1 General Description 23 11 22 Sil 9993 23 11 22 1 General Description 23 11 22 2 Features 24 11 23 NCP1014 24 11 23 1 General Description 24 11 23 2 Features 24 11 23 3 Pin Description and Descriptions 25 11 24 SN74CB3Q3305 25 1...

Страница 4: ... Connections and Short Descriptions 32 12 SERVICE MENU SETTINGS 33 12 1 Picture Adjust 33 12 2 SOUND1 34 12 3 SOUND 2 34 12 4 Options 34 12 5 TV Norm 35 12 6 Features 35 12 7 Teletext 35 12 8 Source 35 12 9 Menu Languages 1 2 35 13 BLOCK DIAGRAM 36 14 SCHEMATIC DIAGRAMS 37 14 1 Main Board 37 14 2 Power Board 45 14 3 Front AV Board 51 14 4 Amplifier Board 52 15 CIRCUIT BOARD DIAGRAMS 53 15 1 Main B...

Страница 5: ...table for CCIR systems B G H L L I and I The low IF output impedance 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 2 Systems CCIR B G H L L I and I OIRT D K 3 Digitally controlled PLL tuning via I2 C bus 4 Off air channels S cable channels and Hyper band...

Страница 6: ...th an external resistor bridge 5VDC on the input Each input can be used as a normal input or as a MAC or Chroma input with external Resistor Bridge All the switching possibilities are changed through the BUS Driving 75ohm load needs an external resistor It is possible to have the same input connected to several outputs 6 AUDIO AMPLIFIER STAGE WITH TPA3004D2 The TPA3004D2 is a 9 W per channel effic...

Страница 7: ...il C51 Compiler and TEDIpro OSD development SW by Tara Systems 8 EEPROM 24C32 The Microchip Technology Inc 24C32 is a 4Kx8 32 Kbit Electrically Erasable PROM This device has been developed for advanced low power applications such as personal communications or data acquisition The 24C32 features an input cache for fast write loads with a capacity of eight 8 byte pages or 64 bytes It also features a...

Страница 8: ...ion 1 Input 2 Input ground 3 Chip carrier ground 4 Output 5 Output 11 IC DESCRIPTIONS TEA6415C 24LC02 TCET1102G OPTOCOUPLER SVP EX 52 TL431 24C32 74LVC14A TEA6420D CS4334 GAL16LV8 K6R4008V1 L6562D LM1117 LM317T LM809 MSP3410G M29W040B MC33202 PCF8574 PI5V330 SDA5550 SII9993 NCP1014 SN74CB3Q3305 ST24LC21 LM2576 MC34063 TDA1308 TDA9886T TPA3002D2 μPA672T VPC3230D ...

Страница 9: ...n In other case 1 word of 16 bits is necessary to determine one configuration 11 1 2 Features 20MHz Bandwidth Cascadable with another TEA6415C Internal address can be changed by pin 7 voltage 8 Inputs CVBS RGB MAC CHROMA 6 Outputs Possibility of MAC or chroma signal for each input by switching off the clamp with an external resistor bridge Bus controlled 6 5dB gain between any input and output 55d...

Страница 10: ... typical I temp Organized as 1 block of 256 bytes 1 x 256 x 8 2 wire serial interface bus I2 C compatible Schmitt Trigger inputs for noise suppression Output slope control to eliminate ground bounce 100 kHz 24AA02 and 400 kHz 24LC02B compatibility Self timed write cycle including auto erase Page write buffer for up to 8 bytes 2ms typical write cycle time for page write Hardware write protect for e...

Страница 11: ...ance between input and output for highest safety requirements 11 3 2 General Features x CTR offered in 9 groups x Isolation materials according to UL94 VO x Pollution degree DIN VDE 0110 resp IEC 664 x Climatic classification 55 100 21 IEC 68 part 1 x Special construction x Therefore extra low coupling capacity of typical 0 2 pF high Common Mode Rejection x Low temperature coefficient of CTR x G L...

Страница 12: ...eatures x Programmable Output Voltage to 36 Volts x Low Dynamic Output Impedance 0 20 Typical x Sink Current Capability of 1 0 to 100mA x Equivalent Full Range Temperature Coefficient of 50ppm C Typical x Temperature Compensated For Operation Over Full Rated Operating Temperature Range x Low Output Noise Voltage x Fast Turn on Response 11 6 24C32 11 6 1 General Description The Microchip Technology...

Страница 13: ...0 years Temperature ranges Commercial C 0 C to 70 C Industrial I 40 C to 85 C 11 6 3 Pinning PIN Function Table PIN DESCRIPTIONS A0 A1 A2 Chip Address Inputs The A0 A2 inputs are used by the 24C32 for multiple device operation and conform to the two wire bus standard The levels applied to these pins define the address block occupied by the device in the address map A particular device is selected ...

Страница 14: ... be driven from either 3 3 or 5V devices This feature allows the use of these devices as translators in a mixed 3 3 and 5V environment The 74LVC14A provides six inverting buffers with Schmitt trigger action It is capable of transforming slowly changing input signals into sharply defined jitter free output signals 11 7 2 Features Wide supply voltage range from 1 2 to 3 6 V CMOS low power consumptio...

Страница 15: ...ompatible with CS4330 31 33 11 9 2 General Description The CS4334 family members are complete stereo digital to analog output systems including interpolation 1 bitD A conversion and output analog filtering in an 8 pinpackage The CS4334 5 6 7 8 9 support all major audio data interface formats and the individual devices differ only in the supported interface format The CS4334 family is based on delt...

Страница 16: ...test circuitry and reprogrammable cells allow complete AC DC and functional testing during manufacture As a result Lattice Semiconductor delivers 100 field programmability and functionality of all GAL products In addition 100 erase write cycles and data retention in excess of 20 years are specified 11 10 2 Features HIGH PERFORMANCE E2CMOS TECHNOLOGY 3 5 ns Maximum Propagation Delay Fmax 250 MHz 2 ...

Страница 17: ... device is fabricated using SAMSUNGƍs advanced CMOS process and designed for high speed circuit technology It is particularly well suited for use in high density high speed system applications The K6R4008V1D is packaged in a 400 mil 36 pin plastic SOJ and 44 pin plastic TSOP type II 11 11 2 Features Fast Access Time 8 10ns Max Low Power Dissipation Standby TTL 20mA Max CMOS 5mA Max Operating K6R40...

Страница 18: ... CURRENT EXTENDED IC SUPPLY VOLTAGE RANGE ON CHIP FILTER ON CURRENT SENSE DISABLE FUNCTION 1 Tj 25 C INTERNAL REFERENCE VOLTAGE 11 12 2 Description The L6562 is a current mode PFC controller operating in Transition Mode TM Pin to pin compatible with the predecessor L6561 it offers improved performance The highly linear multiplier includes a special circuit able to reduce AC input current distortio...

Страница 19: ...tdown Its circuit includes a zener trimmed bandgap reference to as sure output voltage accuracy to within 1 The LM1117 series is available in SOT 223 TO 220 and TO 252 D PAK packages A minimum of 10μF tantalum capacitor is required at the output to improve the transient response and stability 11 13 2 Features Available in 1 8V 2 5V 2 85V 3 3V 5V and Adjustable Versions Space Saving SOT 223 Package...

Страница 20: ...croprocessor and digital systems They provide a reset to the microprocessor during power up power down and brown out conditions The function of the LM809 810 is to monitor the VCC supply voltage and assert a reset signal whenever this voltage declines below the factory programmed reset threshold The reset signal remains asserted for 240 ms after VCC rises above the threshold The LM809 has an activ...

Страница 21: ...oved by the Dolby 1 Laboratories for with the Virtual Dolby Surround technology In addition the MSP 34x1G includes the PAN ORAMA algorithm These TV sound processing ICs include versions for processing the multichannel television sound MTS signal conforming to the standard recommended by the Broadcast Television Systems Committee BTSC The DBX noise reduction or alternatively Micronas Noise Reductio...

Страница 22: ...ge Loudspeaker Headphone channel with volume balance bass treble loudness AVC Automatic Volume Correction Subwoofer output with programmable low pass and complementary high pass filter 5 band graphic equalizer for loudspeaker channel Spatial effect for loudspeaker channel Four Stereo SCART line inputs one Mono input two Stereo SCART outputs Complete SCART in out switching matrix Two I 2 S inputs o...

Страница 23: ...9 AVSUP OBL Analog power supply 5V 65 AVSUP OBL Analog power supply 5V 64 NC LV Not connected 63 NC LV Not connected 27 56 45 62 48 AVSS OBL Analog ground 61 AVSS OBL Analog ground 28 55 44 60 47 MONO_IN IN LV Mono input 59 NC LV Not connected 29 54 43 58 46 VREFTOP OBL Reference voltage IF A D converter 30 53 42 57 45 SC1_IN_R IN LV SCART 1 input right 31 52 41 56 44 SC1_IN_L IN LV SCART 1 input ...

Страница 24: ...to preserve valid data while old data is erased Each block can be protected independently to prevent accidental Program or Erase commands from modifying the memory Program and Erase commands are writ ten to the Command Interface of the memory An on chip Program Erase Controller simplifies the process of programming or erasing the memory by taking care of all of the special operations that are requ...

Страница 25: ...urrent boosting techniques provide a high output current capability while keeping the drain current of the amplifier to a minimum Also the combination of low noise and distortion with a high slew rate and drive capability make this an ideal amplifier for audio applications 11 18 2 Features Low Voltage Single Supply Operation 1 8 V and Ground to 12 V and Ground Input Voltage Range Includes both Sup...

Страница 26: ...ogic of the microcontroller By sending an interrupt signal on this line the remote I O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I2 C bus This means that the PCF8574 can remain a simple slave device 11 19 2 Features Operating supply voltage 2 5 to 6V Low standby current consumption of 10 μA maximum I2 C to parallel port expander Ope...

Страница 27: ...d with dedicated hardware stores TTX data in a VBI buffer of 1 Kilobyte The Microcontroller firmware performs all the acquisition tasks hamming and parity checks page search and evaluation of header control bits once per field Additionally the firmware can provide high end Teletext features like Packet 26 handling FLOF TOP and list pages The interface to user software is optimized for minimal over...

Страница 28: ...s 65í100í130 kHz When the current setpoint falls below a given value e g the output power demand diminishes the IC automatically enters the soícalled skip cycle mode and provides excellent efficiency at light loads Because this occurs at typically 1 4 of the maximum peak value no acoustic noise takes place As a result standby power is reduced to the minimum without acoustic noise generation Shortí...

Страница 29: ... 24 2 Features High Bandwidth Data Path Up To 500 MHz 5 V Tolerant I Os with Device Powered Up or Powered Down Low and Flat ON State Resistance ron Characteristics Over Operating Range ron 3 Typical Rail to Rail Switching on Data I O Ports í 0 to 5 V Switching With 3 3 V VCC í 0 to 3 3 V Switching With 2 5 V VCC Bidirectional Data Flow With Near Zero Propagation Delay Low Input Output Capacitance ...

Страница 30: ...on SCL pin The ST24LC21 can not switch from the I2 C bidirectional mode to the Transmit Only 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 11 25 2 Features 1 million Erase Write cycles 40 years data retention 2 5V to 5 5V single supply voltage 400k Hz compatibility...

Страница 31: ...the design of switch mode power supplies The LM2576 features include a guaranteed 4 tolerance on output voltage within specified input voltages and output load conditions and 10 on the oscillator frequency 2 over 0 C to 125 C External shutdown is included featuring 80 mA typical standby current The output switch includes cycle by cycle current limiting as well as thermal shutdown for full protecti...

Страница 32: ... standards via I2 C bus Digital acquisition help VIF frequencies of 33 4 33 9 38 0 38 9 45 75 and 58 75 MHz 4 MHz reference frequency input signal from Phase Locked Loop PLL tuning system or operating as crystal oscillator VIF Automatic Gain Control AGC detector for gain control operating as peak sync detector for negative modulated signals and as a peak white detector for positive modulated signa...

Страница 33: ... as low as 8 Ohm for TPA3002D2 4 Ohm for TPA3004D2 The high efficiency of these devices eliminates the need for external heatsinks when playing music Stereo speaker volume is controlled with a dc voltage applied to the volume control terminal offering a range of gain from 40 dB to 36 dB Line outputs for driving external headphone amplifier inputs are also dc voltage controlled with a range of gain...

Страница 34: ...puts are disabled A logic low on this pin places the amplifier in the Class D mode and Class D stereo outputs are enabled Variable outputs VAROUTL and VAROUTR are still enabled in Class D mode to be used as line level outputs for external amplifiers MODE_OUT 35 O Output for control of the variable output amplifiers When the MODE pin 34 is a logic high the MODE_OUT pin is driven low When the MODE p...

Страница 35: ...bootstrap capacitors VOLUME 11 I DC voltage that sets the gain of the Class D and VAROUT outputs VREF 8 I Analog reference for gain control section V2P5 4 O 2 5 V Reference for analog cells as well as reference for unused audio input when using single ended inputs Thermal Pad Connect to AGND and PGND should be center point for both grounds 11 30 µPA672T 11 30 1 General Description The μPA672T is a...

Страница 36: ... Analog Component Input 7 ASGF X Analog Shield GNDF 8 FFRSTWIN IN LV or GNDD FIFO Reset Write Input 9 VSUPCAP OUT X Digital Decoupling Circuitry Supply Voltage 10 VSUPD SUPPLYD X Supply Voltage Digital Circuitry 11 GNDD SUPPLYD X Ground Digital Circuitry 12 GNDCAP OUT X Digital Decoupling Circuitry GND 13 SCL IN OUT X I 2 C Bus Clock 14 SDA IN OUT X I 2 C Bus Data 15 RESQ IN X Reset Input Active L...

Страница 37: ...F SUPPLYA X Ground Analog Front End 66 VRT OUTPUT X Reference Voltage Top Analog 67 I2CSEL IN X I2 C Bus Address Select 68 ISGND SUPPLYA X Signal Ground for Analog Input connect to GNDF 69 VSUPF SUPPLYA X 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 ...

Страница 38: ...SOUND 2 x AVL AVL is controlled from this menu by service user ON OFF x Menu AVL If ON AVL item is visible in sound menu and AVL can be controlled from sound menu by normal user else AVL is invisible to normal user x FM PRESCALE AVL ON If AVL ON set value in this item is used as prescale value for the related standard 0 127 x NICAM PRESCALE AVL ON If AVL ON set value in this item is used as presca...

Страница 39: ...Menu else not x Single Tuner If TV set has one tuner Single Tuner must be ON If TV set has double tuner Single Tuner must be OFF x Dynamic WB Dynamic White Balance 12 7 Teletext x TOP TXT If ON Top Text feature is available else not x Fast TXT If ON Fast Text feature is available else not x Teletext Language Teletext Language may be controlled from this menu by service user x Menu Teletext Languag...

Страница 40: ...AUDIO AMP BOARD LVDS OUT SDA5550 MCU MICRONAS PSU SVP EX59 AUDIO DECODING MSP3411G MICRONAS IDTV SVHS MMC RGB PC IN VPC3230D VIDEO PROCESSOR PIP PICTURE MICRONAS 8 BIT YUV 24 BIT RGB HDMI DECODER SIL9993 AUDIO VIDEO GRAPHICS IN OUT 36 TFT TV Service Manual 13 BLOCK DIAGRAM ...

Страница 41: ... R1100 VCC5V_FILTERED TDA1308 IC209 1 OUTA 2 INA 3 INA 4 VSS 5 INB 6 INB 7 OUTB 8 VDD 2n2 C1168 1n C1183 100n C1162 4k7 R1103 10k R1113 L1030 2n2 C1184 50V 220p C1173 HP_R 10u C1181 22u L1027 CTF5543_HOR TU1000 1 AGC 2 TU 3 AS 4 SCL 5 SDA 6 NC 7 VS 8 NC ADC 9 VST 10 IF2 11 IF1 25V 100n C1035 22k R1022 22k R1028 50V 1n C1005 Z1003 IN1 1 IN2 2 GND 3 OUT1 4 OUT2 5 QSS_TUN2 6k8 R1031 SAW_SW2 VCC5V_FIL...

Страница 42: ...1n C264 4n7 C266 50V 1n C267 50V 4n7 C269 50V 150p C270 150p C277 150p C278 50V 4n7 C284 50V 150p C286 150p C293 1n C296 50V 1n C301 SC2_FB 75R R275 75R R276 D218 S220 S221 D219 D220 SC3_V_OUT 4n7 C2044 1n C2040 D2001 PIN8_SC3 L2003 330R R2024 150p C2039 50V 150p C2038 L2006 BZT55C10 D2000 SC3_V_IN BZT55C10 D2002 L2007 L2005 4n7 C2045 330R R2025 L2008 50V 1n C2042 L2004 SC3_AUDIO_L_IN SC3_AUDIO_R_...

Страница 43: ...EL_IN4 21 NC13 22 NC14 23 NC15 24 NC16 25 NC17 26 NC18 27 NC19 28 NC20 29 NC21 30 NC22 31 NC23 32 NC24 33 NC25 34 RESETQ 35 TEST 36 DVSS1 37 DVSUP1 38 I2S_DEL_WS 39 I2S_DEL_CL 40 I2S_DEL_IN1 41 I2S_DEL_OUT1 42 ADR_SEL 43 SDA 44 SCL 1 NC1 2 NC2 3 NC3 4 NC4 5 NC5 6 NC6 7 NC7 8 NC8 9 NC9 10 NC10 11 NC11 SCL SDA R1 R2 R3 R4 10R R2028 1 2 3 4 7 6 5 100R R2026 100R R2027 I2S_DA_IN1 I2S_DA_OUT I2S_CL I2S...

Страница 44: ... 16V 100n C460 16V 100n C462 16V 100n C463 16V 100n C467 VREFP_1 VREFN_1 VREFP_2 VREFP_3 VREFN_2 VREFN_3 VREFN_3 VREFP_3 VREFP_2 VREFN_2 VREFP_1 VREFN_1 VDDH STBY_3V3 STBY_3V3 16V 100n C429 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 VD1_8 100n C401 CVBS_SVP 16V 100n C400 75R R400 75R R402 16V 100n C402 CVBS2 CVBS2 CVBS3 CVBS3 C C GIN2 BIN2 RIN2 75R R406 75R R407 75R R408 16V...

Страница 45: ...1_L6 113 A10_K5 127 A9_L7 142 A8 AP_M10 141 A7_M9 140 A6_M8 128 A5_L8 139 A4_M7 138 A3_M6 125 A2_L5 137 A1_M5 136 A0_M4 R1 R2 R3 R4 10R R502 1 2 3 4 7 6 5 R1 R2 R3 R4 10R R508 1 8 2 3 4 7 6 5 R1 R2 R3 R4 10R R500 1 2 3 4 7 6 5 R1 R2 R3 R4 10R R507 1 2 3 4 7 6 5 R1 R2 R3 R4 10R R506 1 2 3 4 7 6 5 R1 R2 R3 R4 10R R501 1 2 3 4 7 6 5 R1 R2 R3 R4 10R R509 1 2 3 4 7 6 5 R1 R2 R3 R4 10R R511 1 2 3 4 7 6 ...

Страница 46: ...4 A12 5 A7 6 A6 7 A5 8 A4 9 A3 10 A2 11 A1 12 A0 13 DQ0 K6R4008V1C I C P IC217 1 NC1 2 NC2 3 A0 4 A1 5A A2 6 A3 7 A4 8 CS 9 I O1 10 I O2 11 VCC 12 VSS 13 I O3 14 I O4 15 WE 16 A5 17 A6 18 A7 19 A8 20 A9 21 NC3 22 NC4 23 NC5 24 NC6 25 NC7 26 A10 27 A11 28 A12 29 A13 30 A14 31 I O5 32 I O6 33 VCC1 34 VSS1 35 I O7 36 I O8 37 OE 38 A15 39 A16 40 A17 41 A18 42 NC8 43 NC9 44 NC10 4k7 R640 100n C615 STBY...

Страница 47: ...3 4 7 6 5 4k7 R2062 1N5817 D2022 VCC_5V P1_EVCC5 1N5817 D2021 BZT55C5V6 D2020 10R R2071 P1_CBL5V 47k R2063 25V 100n C2072 P1_EVCC5 56R R2064 56R R2065 P1_DDC_SCL P1_DDC_SCL P1_DDC_SDA P1_DDC_SDA HDMI_3V3 470k R2066 470k R2067 DSCL DSCL DSDA DSDA P1_CBL5V 33R R2043 33R R2044 33R R2045 DHS_2EX DVS_2EX DE_2EX 33R R2048 CLK_2EX VCC_5V 4k7 R2068 1k R2070 P1_5V P1_5V 10k R2069 P1_HPD P1_HPD TP100 DAC_SD...

Страница 48: ...u C900 LM2576 IC223 1 VIN 2 OUTPUT 3 GND 4 FEEDBACK 5 ON OFF 22u L908 VCC_12V 16V 100u C905 16V 1000u C911 22u L910 16V 100n C913 22uH_3 9A_SMD L911 330R R904 STPS745 D904 1_8VMAIN 22u L915 22u L914 22u L916 1_8VMAIN 1_8VMAIN 1_8VMAIN 16V 100n C925 16V 100n C924 16V 100n C926 16V 100u C927 16V 100u C928 100u C929 VL1_8 VD1_8 VA1_8 BRT_CNTL A_DIM_PWM DIG_DIM_PWM S901 22u C930 PANEL_VCC1 VCCA_3V3 VC...

Страница 49: ...No 0210 POWER BOARD SHEET 1 45 TFT TV Service Manual ...

Страница 50: ...No 0210 POWER BOARD SHEET 2 46 TFT TV Service Manual ...

Страница 51: ...No 0210 POWER BOARD SHEET 3 47 TFT TV Service Manual ...

Страница 52: ...No 0210 POWER BOARD SHEET 4 48 TFT TV Service Manual ...

Страница 53: ...No 0210 POWER BOARD SHEET 5 49 TFT TV Service Manual ...

Страница 54: ... R926 10k R930 10k R925 1M R927 6k8 R924 PFC_OFF BC858B Q824 1N4148 D835 1M R928 400V VCC2 10k R923 10k R922 1k R929 BC548C Q823 1M R913 PFC_OFF 8V2_ZENER D836 MTP6N60E SSP7N60A Q827 1u C870 16V 330k R818 100k R931 4kV 2n2 C873 1M R932 2X12m TR802 1 4 2 3 G00143A TR803 1 4 8 5 3 2 7 6 9 10 16V 10u C874 12k R933 24VDC 24VDC 400VDC W6 TRF_SAFE_TFT_RES TR805 1 4 8 5 3 2 7 6 9 10 11 12 13 14 15 16 N1 ...

Страница 55: ... R104 R105 R106 50V 33p C100 50V 33p C101 50V 33p C102 50V 100p C103 50V 100p C104 50V 100p C108 50V 100p C110 50V 100p C109 50V 4n7 C106 50V 4n7 C107 BZT55C10 D101 BZT55C10 D103 BZT55C10 D104 BZT55C10 D102 BZT55C10 D100 BZT55C10 D105 BZT55C10 D107 BZT55C10 D106 BZT55C10 D108 BZT55C10 D109 S100 S101 600R_100MHZ_200mA L100 600R_100MHZ_200mA L101 600R_100MHZ_200mA L102 600R_100MHZ_200mA L103 600R_10...

Страница 56: ...1 1u C788 25V 220u C784 50R_100MHZ_3A L721 50V 1n C786 50V 100n C782 50V 10n C780 15V_AUD 120k R742 50V 10n C781 63V 470n C805 15V_AUD 40uH L724 40uH L723 15V_AUD 50V 100n C778 16V 1u C776 50V 10n C793 1u C790 50V 100n C802 50V 100n C801 25V 220u C775 PL702 1 2 25V 220u C803 33k R745 50R_100MHZ_3A L722 1u C787 50V 1n C795 100k R756 BC848B Q709 PL707 1 2 MUTE LM809 IC703 1 2 BC848B Q710 S732 S733 S...

Страница 57: ...K303 JK302 JK304 S445 R919 R920 R1045 R2003 R2095 L2017 L2016 PL103 PL606 PL2001 Q401 Q1013 Q1014 Q1015 Q1016 R279 Q 2 0 0 1 Q2002 Q2003 Q 2 0 0 4 Q2299 Q2300 Q2301 R281 R282 R283 R2214 R231 R232 R404 R405 Q600 R503 R1118 R1123 R2089 R2090 R2301 R2302 R6005 R2213 S640 S643 R331 R332 R333 R424 R439 R2014 R2070 R1120 R1122 R2069 R2305 R423 R1119 R1121 R1125 R6007 R6010 S108 R2007 R1126 R2035 S109 R1...

Страница 58: ... IC2008 L919 L1031 L1032 S 809 L2015 R 2098 R 1129 R 1130 R 2028 R 2040 R 2041 R 2043 R 2044 R 2045 R 2048 R 2051 R 2052 R 924 R 2071 R 2064 R 2066 R 2073 R 2075 R 2076 R 2086 R 2079 R 2085 R 2081 R 2300 Q6006 Q6007 S 810 S 811 S 336 S 337 S 812 R 525 R 602 S 6300 S 6310 C2202 S 813 S 814 S 6311 R 6015 R 6016 S 6312 D1007 S 815 R 6045 Q1 Q100 R 6046 Q1004 Q603 Q605 R 280 R 284 R 916 R 917 R 1033 R...

Страница 59: ...16 Wiring Diagram 32LD8A10A ...

Страница 60: ...8AMP03 MAIN BOARD 17MB15 5 PL600 PL902 PL103 PL1002 PL900 PL606 PL201 PL901 PL301 17FL11 4 PL100 PL14 PL700 PANEL LVDS INPUT PL701 PL703 PL704 PL1001 LEFT SPEAKER RIGHT SPEAKER PL100 PL101 PL102 PL1 PL1 AC INPUT PL805 PL806 PL803 PL801 PL802 PANEL INVERTER INPUT 2 PL804 PL809 32LD8600 32LD8A10 37LD8600 ...

Страница 61: ...03 PL606 PL308 PL201 PL1 PL1003 PL104 PL901 PL301 PL106 PL202 PL101 PL203 17FL02 2 PL100 PL101 PL700 CN64 CN69 CN61 PL1 DAUGTHER BOARD 17DB23 1 PL4 PL3 PL2 PL1 PL803 PL101 PL802 PL803 PL804 PL805 CN2 PL800 CN11 PL102 PANEL PL801 CN10 PL707 PL701 PL702 PL703 PL1001 LEFT SPEAKER RIGHT SPEAKER CN23 CN24 CN26 CN32 CN42 PL100 PL101 PL102 PL1 PL1 PANEL CONTROL UNIT AC INPUT ON OFF SWITCH 32LD8700C 32LD8...

Страница 62: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...

Страница 63: ...No 0210 WALL MOUNT DETAIL 853 90 649 00 600 00 104 00 245 00 400 200 IDTV STAND BUTTON FUNCTION SIDE AV MMC 59 TFT TV Service Manual 18 WALL MOUNT TEMPLATE DIAGRAM 32 INCH MODELS ONLY ...

Страница 64: ...47 Milano Italia ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 33 04 72 14 29 70 Fax 33 04 72 14 29 99 Email france consommateur hitachi...

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