Hitachi 22LD3750DC Скачать руководство пользователя страница 31

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2Y1

2Y0

3Y1

3Y0

VEE

GND

1Y0

1Y1

VCC

GND1

VSUP8.0AU

VREFAU

SPEAKERL

SPEAKERR

AOUT1L

AOUT1R

AIN3L/AOUT2L

AIN3R/AOUT2R

AIN2L

AIN1L

SIF/AIN1R

TAGC

VREFIF

IFIN-

IFIN+

RESETQ

GNDIF

VSUP5.0IF

VSUP3.3DIG

GND2

GND3

VSUP1.8DIG

XTAL1

XTAL2

P22

P23

VIN11

VIN10

VIN9

VIN8

VIN7

VIN6

VIN5

VIN4

VIN3

VIN2

VIN1

VOUT1

VOUT2

VOUT3

VSUP1.8FE

GND4

GND5

VSUP3.3FE

P10

P11

P12

P13

P14

P15

P16

P17

P20/DFVBL

P21/PWMV

SCL

SDA

VPROT

HOUT

HFLB

SAFETY

GNDDAC

VSUP3.3DAC

VSUP3.3IO

GND6

GND7

VSUP3.3BE

XREF

VRD

BOUT

GOUT

ROUT

SVMOUT

BIN

GIN

RIN

FBIN

GNDM

SENSE

RSW1

RSW2

VERT-

VERT+

TEST

VSUP5.0BE

GND8

AIN2R

IN2

GND

OUT2

IN1

OUT1

VSS

SDA

SCL

VCC

IR INTERFACE

SCART AUDIO OUT

AUDIO LINE-OUT

MSTAR DEBUG

FLASH PROG. & VCTI DEBUG

TUNER I2C & AGC

SD RGB INPUT FOR MST517

I2C ISOLATION

WO/DVB

IR INTERFACE

EEPROM

TOUCHPAD OPS.

KEYPAD OPS.

Q153
BSN20

Q154
BSN20

Q173

BSN20

Q155
BSN20

Q172

BSN20

Q152
BSN20

C327

220n

16V

C111
1u
16V

+5V

3V3_STBY

F174

600R

S181

R542

10k

C567

16V

R101

10k

R543

10k

Q195
BC848B

R541

10k

DVD_SENSE

Q127
BC848B

HD_SW

TV/DVB_SW

R397

CN103

D147

1N4148

3V3_STBY

F138

600R

136

C5V1

C526
100u
16V

TP178

C427
10n
16V

TP176

TP175

TP177

U698

24C64

S184

S183

HWSCL

HWSDA

KEY

R534

100R

C101
10p
50V

TV_TXD

S101

SOFT_SW

CN130

CN105

S158

R129

2k7

X104

20.25MHz

3V3_STBY

SDA_NVM

R167

3k9

R232

100R

3V3_STBY

SCL_NVM

R166

3k9

R231

100R

VCTI_HS

TP153

SILENCE

C554
100n
16V

S122

D137

C5V1

5V_STBY

C429

470n

16V

R501

100k

R430

100R

BOUT1

GOUT1

ROUT1

AGC_TV

SDA_5V

SCL_5V

AGC_DVB

SCL_DVB

AGC_SW

SDA_SW

SCL_SW

S167

S166

S160

C448
3u3
50V

RESETQ

ROUT

RESETQ

+5V

Z101

X6966M

CN113

C553
100n
16V

S120

LED_CTRL

3V3_STBY

LED_CTRL

LED1

3V3_STBY

R487

4k7

LED2

Q121

BC848B

S161

S159

LED1

LED2

LED1

LED2

S119

CN114

R311

10k

C536
100u
16V

HWSCL

HWSDA

R225

100R

R226

100R

3V3_STBY

F159

60R

3V3_STBY

F152

600R

R217

100R

F106

200R

+8V

F148

600R

C178
100n
16V

R298

1k2

C510
10u
10V

R176

4k7

IF1

IF2

R268

10R

R267

10R

R269

10R

R270

10R

+3V3

R497

10k

Q174
BC848B

Q126
BC848B

R324

10k

3V3_STBY

Q123
BC848B

R495

10k

R319

10k

SCL_3V3

SDA_3V3

HWSCL

HWSDA

SCL_NVM

HWSCL

HWSDA

SDA_NVM

R321

10k

C514

22u

16V

C513

22u

16V

R486

100R

R485

100R

R219

100R

C187
100n
16V

F103

330R

C203
100n
16V

R314

10k

R369

22k

R288

15k

R168

3k9

R279

470R

C204

100n

16V

C189

100n

16V

C190
100n
16V

C471
4u7
10V

R396

C191
100n
16V

F153

600R

C186
100n
16V

R313

10k

R299

1k2

R175

4k7

R182

4k7

R183

4k7

R181

4k7

R188

4k7

R381

27k

R426

82k

R435

2k2

R224

100R

C454

22p

50V

R186

4k7

R102

22R

R227

100R

R185

4k7

C188
100n
16V

C185
100n
16V

F151

600R

F139

600R

R222

100R

C181

100n

16V

C200

100n

16V

C452

22p

50V

C453

22p

50V

C179
100n
16V

F149

600R

C182
100n
16V

F150

600R

C180
100n
16V

F105

200R

F102

330R

C183
100n
16V

F101

330R

S116

C202

100n

16V

C426
10n
16V

F137

600R

C164
1n
50V

R393

C177
100n
16V

U701

VCT4953

R258

68R

R437

2k2

R125

150R

Q161

BC858B

C196
100n
16V

C371

50V

R384

R448

33k

Q118
BC848B

R431

100R

R429

100R

R187

4k7

Q120
BC848B

F147

600R

U692

74HCT4053

R177

4k7

D109

1N4148

R262

220R

R178

4k7

R281

470R

R317

10k

R229

100R

Q125

BC848B

Q122

BC848B

DVB_IN_G/Y

DVB_IN_B/C

DVD_CVBS

DVD_C

R218

100R

R220

100R

R264

220R

3V3_STBY

R263

220R

5V_STBY

TV/DVB_SW

HDMI_HP_INV

POWCON

DVD_IR_ON/OFF

SC_PIN8

MST_RESET

PROTECT

+3V3

3V3_STBY

SDA_DVB

R392

R184

4k7

R278

470R

R277

470R

R436

2k2

R312

10k

IF_CVBS_OUT

+3V3

HWSCL

HWSDA

S124

KEY

S123

S117

S118

C147
10p
25V

C374

50V

C373

50V

C372

50V

C165
1n
50V

C206

100n

16V

C205

100n

16V

C201

100n

16V

C199

100n

16V

C198

100n

16V

C197

100n

16V

C195
100n
16V

C194
100n
16V

C193
100n
16V

Q163

BC858B

Q159

BC858B

+3V3

ROUT2

+3V3

LOUT2

+3V3

LOUT3

ROUT3

+3V3

3V3_STBY

1V8_STBY

3V3_STBY

1V8_STBY

3V3_STBY

+5V_VCTI

VCTI

ON/OFF

5V_STBY

+3V3

TV_RXD

+5V

+3V3

+5V

ON/OFF

POWCON

BOUT

SC_R_OUT

SC_L_OUT

Q117
BC848B

LINE_OUT_L

+8V

LINE_OUT_R

+3V3

GOUT

ROUT

BOUT

GOUT

DVB_IN_R

DVB_IN_CVBS

SC_FB

D110

3V3

+5V

+3V3

AGC_TV

+5V

+3V3

KEY

IRQ

TV_RXD

TV_TXD

+3V3

SC_V_IN

CVBS_IN

DVD_Y

SC_B

SC_G

SC_R

SC_IN_R

SWAUD_OUT_L

SWAUD_OUT_R

SC_IN_L

HP_R

HP_L

SWITCH_SOUND_R

SWITCH_SOUND_L

MAIN_R

MAIN_L

Q128
BC848B

+8V

Q119
BC848B

+8V

+3V3

Q124

BC848B

Q160

BC858B

Q162

BC858B

Q164

BC858B

Q165

BC858B

C184

100n

16V

C207

100n

16V

C162

50V

C163

50V

S115

S125

S126

R221

100R

R223

100R

R228

100R

R230

100R

R315

10k

R316

10k

R318

10k

R444

33k

R445

33k

R446

33k

R447

33k

R449

33k

R438

2k2

R275

470R

R276

470R

R280

470R

R179

4k7

R180

4k7

R385

R386

R387

R388

R389

R390

R391

R394

R395

R189

4k7

R165

3k9

R123

150R

R124

150R

R257

68R

R259

68R

R322

10k

C208

100n

16V

C515

22u

16V

C516

22u

16V

R496

10k

3V3_STBY

Q175
BC848B

R498

10k

TP160

TP161

C527
100u
16V

C528
100u
16V

C529
100u
16V

C530
100u
16V

C531
100u
16V

C532
100u
16V

C533
100u
16V

C534
100u
16V

C535
100u
16V

C537

100u

16V

LED_CTRL

S165

SCL_SW

SDA_SW

AGC_SW

SCL_5V

SDA_5V

AGC_TV

TP105

R462

100k

+3V3

C328

220n

16V

No. 0249

Contro

ler and AV Processor

Содержание 22LD3750DC

Страница 1: ...r die Sicherheitshinweise und Hinweise 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 enthalte...

Страница 2: ... 10 6 1 Microcontoller Video Audio Processor VCT4953G 10 6 2 Scaler De interlacer MST TSUMU38BF 13 6 3 Audio Stage LM358D MP7721 16 6 4 HeadPhone Amplifier TDA1308T 16 6 5 Audio Matrix Switch TEA6422D 19 6 6 HDMI Receiver ANX9021 19 6 7 Video Switch PI5V512 20 6 8 Tuner DTT71306 21 6 9 SAW Filter X6966M 22 6 10 I2C Switch 74HCT4053 22 6 11 Audio DAC CS4334 23 6 12 IC E2PROM 24LC02 2Kbx8 24 6 13 SP...

Страница 3: ... 2 GENERAL DESCRIPTION The system is a low to mid end 22 1680 x 1050 TFT TV solution basically for EU market with VCT4913G microcontroller video audio processor chip on a 2 layer PCB Since the target market is EU the first release of the TV will support PAL SECAM B G D K I L L The target panel is 22 W 1680 x 1050 TFT LCD panels A DVD loader is used to read DVD content and a DVB T module card is us...

Страница 4: ...er Control SRS TRU Surround OPT SRS TRU Bass OPT BBE WOW OPT Picture Features WIDE PANEL 4 3 16 9 Auto opt Subtitle opt Zoom opt Panoramic opt Picture Modes Bright Standard Soft Media Window Enhancement MWE Backlight brightness setting movie normal bright Multi System Reception PAL SECAM BG DK I I L L NTSC Video Playback WSS 16 9 4 3 Aspect Ratio Auto Switch Channel Type Sorting Favorite Sport Mus...

Страница 5: ...or etc The IC also has a teletext decoder with fastext memory The processed video output is sent to MST TSUMU38BF scaler deinterlacer in RGB format together with a composite sync The TV tuner is PLL controlled symmetrical IF output type The IF signal is filtered by a single SAW filter Inter carrier sound demodulation is performed by the system After the SAW filter block IF signal is processed by V...

Страница 6: ...The DC voltages required at various parts of the chassis and inverters are provided by a main power supply unit and power interface board IPS generates 12V and 5V DC supply Power stage which is on chasis generates 12V for audio amplifier and 5V stand by voltage and 33V 12V 5V 3 3V and 1 8V supplies for other different parts of the chassis 4 MICROCONTROLLER PORT CONFIGURATION PIN NO PORT NAME SIGNA...

Страница 7: ...trol for tuner 27 P22 WP O Write protection control for NVM 28 P23 IR I Infrared input Table 4 1 VCTI port configuration 5 SIDE BOARDS CONNECTORS 5 1 Keyboard A four pin connector is used between 17mb29 and the keyboard KEY signal is sent directly to microcontroller ADC port and depending on the voltage level of KEY signal microcontroller performs one of these actions menu program program volume v...

Страница 8: ...wer up the LED board 5 3 DVB T module board DVB T module board TDM1300 is used to receive digital terrestrial broadcast signals Three cables are used to connect 17MB29 and TDM1300 power data and IF 12V 500mA is sent to TDM1300 by power cable Analog RGB YPbPr CVBS stereo audio tuner control SCL SDA AGC and three GPIO port outputs of TDM1300 together with UART ports TV_RXD TV_TXD IRQ are carried by ...

Страница 9: ...er of 17MB29 is used for both analogue and digital reception Tuner is controlled by either the 17MB29 microcontroller VCTI or TDM1300 board microcontroller The IF intermediate frequency output of the tuner is sent to TDM1300 board for digital reception ...

Страница 10: ...ee cables are used to connect 17MB29 and DVD electronic card power data and sense 12V 500mA is sent to DVD electronic card by power cable Y C and or CVBS video stereo audio outputs and infra red input of DVD module board is carried on data cable When a DVD is inserted into the loader the DVD electronic card sends an interrupt signal DVD_SENSE to the 17MB29 microcontroller ...

Страница 11: ...panel LCD module PIN7 signal is a logic 1 or 0 signal depending on the panel type 5 6 IPS Power Card This product include AC DC flyback converter DC DC converter and DC AC half bridge converter There are two option whose total output power are 52W and 55W This system does not have PFC Power Factor Correction coil ...

Страница 12: ...10 ...

Страница 13: ...PECIFICATIONS 6 1 Microcontroller Video Audio Processor VCT4913G VCTI49xy is composed of microcontroller video proccessor display and deflection processor sound proccessor and IF blocks as shown in figure below ...

Страница 14: ...and PMQFP144 PSSDIP88 package is chosen because of its convenience in the soldering process PSSDIP88 package has two versions 1 and 2 PSSDIP88 2 package is the pinning mirrorred version of PSSDIP88 1 and is preferred to be used for layout compatibility ...

Страница 15: ...13 ...

Страница 16: ...e MST517A M also integrates intelligent power management control capability for green mode requirements and spread spectrum support for EMI management The TSUMU38BF also incorporates a new Dynamic Frame Rate DFR generator for the digital output video to the display panel that preserves the advantages of a fixed output clock rate while eliminating the output end of frame short line MST has a built ...

Страница 17: ...FUNCTION 4 PWM0 AN DIG_DIM O Analog or digital dimming control 55 PWM1 BKL_ON OFF O Backlight On Off Control PVCC_ON OFF O Panel Logic Power On Off control 196 PWM2 PC HDMI_SW O Video switching control Table 6 2 1 MST5x7A M port allocation ...

Страница 18: ...It is one of MPS second generation fully integrated audio amplifiers which dramatically reduces solution size by integrating the following 250mΩ power MOSFETs Startup Shutdown pop elimination Short circuit protection Mute Standby The MP7721 utilizes a single ended output structure capable of delivering 2 x 10W into 8Ω speakers MPS Class D Audio Amplifiers exhibit the high fidelity of a Class A B a...

Страница 19: ...17 ...

Страница 20: ...clicks Power supply ripple rejection Low power consumption Short circuit resistance High performance high signal to noise ratio high slew rate low distortion Large output voltage swing 6 5 Audio Matrix Switch TEA6422D TEA6422D is a bus controlled audio matrix switch in an SO28 plastic monopackage The main features of TEA6422 D are 6 stereo inputs 3 stereo outputs Gain control Cascadable 2 differen...

Страница 21: ...ecom a nd datacom applications Applying the same advanced techniques in ANX9021 allows displays systems to achieve errorfree HDMI reception over long inexpensive cables up to 20 meters and assure the widest ran ge of interoperability against uncertain qualities of cheap cables from lowcost suppliers as the standard ma tures The ANX9021 can receive and output up to eight digital audio channels at u...

Страница 22: ...mute Integrated HDCP decryption engine and pre programmed keys Programmable power management with automatic shutdown for power conservation Supports automated link integrity checking 144 lead TQFP package supporting lead free and green requirements 6 7 Video Switch PI5V512 PI5V512 is a wide bandwidth 5 port 2 1 mux demux video switch with High Z outputs The main features of PI5V512 are High perfor...

Страница 23: ...tal terrestrial tuner designed for reception in VHF I VHF III and UHF compliant with the European digital terrestrial standard ETS 300744 and CENELEC standards EN 55013 and EN 55020 It covers all channels from 44 25 MHz to 863 25 MHz The main features of DTT713xx are Integrated tuner for digital and anlog broadcasting Low phase noise high sensitivity performance Small size 50mm x 35mm x 12mm Inter...

Страница 24: ...SAW Filter X6966M 6 10 I2C Switch 74HCT4053 74HCT4053 is a triple 2 channel analog mux demux with a common enable input Each multiplexer demultiplexer has two independent inputs outputs nY0 and nY1 a common input output nZ and three digital select inputs S1 to S3 ...

Страница 25: ...og lowpass filter This architecture allows for infinite adjustment of sample rate between 2 kHz and 100 kHz simply by changing the master clock frequency The main features of CS4334 are Complete stereo DAC system interpolation D A output analog filtering 24 bit conversion 96dB dynamic range 88dB THD N Low clock jitter sensitivity Single 5V power supply Filtered line level outputs On chip digital d...

Страница 26: ...witch controls analog and digital voltages that may vary across the full power supply range from VCC to GND The device has been designed so the ON resistance RON is much lower and more linear over input voltage than RON of typical CMOS analog switches The channel select input structure provides protection when voltages between 0V and 5 5V are applied regardless of the supply voltage This input str...

Страница 27: ...25 ESD Performance HBM 2000V MM 200V Chip Complexity 38 FETs ...

Страница 28: ...26 ...

Страница 29: ...FUNCTION XX782 4 14 8 1 1 17 LD 69 FRONT COVER LCD22784 W H LENS LED 2832 WRF LENS IR 21005 H1 6 H2 5 SCREW P C ZN YSB 3 x 6 5 BUTTON STAND BY1709W SCREW PC ZN YFMB 3x9 5 SPEAKER 16 R 5 W 31x94 mm ROHS BUT FUN 1709W KROM MET KAPLAMA 17 TK 83S 2 1 1 4 1 2 1 1 1 1 1 DISPLAY 22W SCREW PC ZN YFMB 3x9 5 2 COVER FOOT LCD 2293 1 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Description No Qty ...

Страница 30: ... 1 TP130 1 2 C129 27p 50V DVD_Y 1 2 C128 27p 50V 1 TP129 1 2 C130 27p 50V 1 2 R215 100R 1 2 R214 100R 5V 1 2 3 D 1 24 BAV9 9 1 2 C466 100p 50V 1 2 R310 10k 1 2 R172 4k7 1 2 R173 4k7 1 2 C124 27p 50V 1 2 R412 75R 1 2 3 CN104 1 2 C422 50V 4n7 1 2 3 Q111 BC848B 1 2 R418 75R 1 2 R212 100R 1 2 3 4 5 6 7 8 9 10 11 12 CN121 1 2 R164 3k9 SC_IN_R 1 2 D 1 02 C12V 1 2 D103 C12V 1 2 C348 150p 50V 1 2 D131 C5V...

Страница 31: ...V 12 F151 600R 12 F139 600R 12 R222 100R 12 C181 100n 16V 12 C200 100n 16V 12 C452 22p 50V 12 C453 22p 50V 1 2 C179 100n 16V 12 F149 600R 1 2 C182 100n 16V 12 F150 600R 1 2 C180 100n 16V 12 F105 200R 12 F102 330R 1 2 C183 100n 16V 12 F101 330R 12 S116 12 C202 100n 16V 1 2 C426 10n 16V 12 F137 600R 1 2 C164 1n 50V 12 R393 1k 1 2 C177 100n 16V 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23...

Страница 32: ...1k HSYNC0 VSYNC0 1 2 C330 220n 10V 2 1 16V 100n C215 12 R190 4k7 PWM0 12 R328 10k 1 2 3 Q134 BC848B 1 2 3 Q133 BC848B 12 R326 10k 12 R327 10k 5V 12 R370 22k 1 2 C224 100n 16V 12 R254 5k6 12 R253 5k6 PWM2 12 R580 2k2 12 R283 470R 12 R439 2k2 1 2 3 Q130 BC848B 12 R399 1k 1 2 C229 100n 16V 1 2 C230 100n 16V 1 2 C228 100n 16V 1 2 C225 100n 16V 1 2 C223 100n 16V 1 2 C218 100n 16V 1 2 C226 100n 16V 1 2 ...

Страница 33: ...R478 220R 12 R477 680R 1 2 C261 100n 16V 1 2 C262 100n 16V 1 2 C159 100u 6V3 1 2 C160 100u 6V3 1 2 3 4 U707 LM1117 12 R376 22k 12 R375 22k 1 2 C258 100n 16V 1 2 C142 470u 16V 1 2 C141 470u 16V 1 2 3 4 5 JK107 1 2 CN101 12 R256 5k6 12 C370 8n2 50V 12 R344 10k 12 R382 27k 12 R171 3k9 1 2 C443 22u 16V 1 2 C254 100n 16V 12 L106 22u 12 D122 SS33 1 2 C645 10n 16V 1 2 3 45 6 7 8 U697 MP1593 1 2 C249 100n...

Страница 34: ...C169 1n 50V 12 S143 12 C438 10p 50V 12 R238 100R 1 2 3 Q149 BC848B 12 R196 4k7 12 C167 1n 50V 12 R127 150R 12 C376 1u 50V 3V3 12 R156 220k 12 R423 39k 12 F116 60R 12 C170 1n 50V 12 F141 600R 1 2 3 4 5 6 7 8 9 JK108 12 C264 100n 16V 12 R239 100R 12 R301 47k 12 R300 47k 12 D115 1N4148 12 R377 22k 12 S139 1 2 3 Q147 BC848B 1 2 3 Q146 BC848B 5V_HP SDA_5V SCL_5V 12 R284 470R SWITCH_SOUND_R HDMI_R_IN HD...

Страница 35: ...7 8 R410 33R 12 R364 10k 1 2 C303 100n 16V 12 R247 100R 12 F145 600R 1 2 C310 100n 16V 1 2 C146 10u 16V 12 R148 47R 12 R287 330R 1 2 C307 100n 16V 12 R245 100R 12 R244 100R HDMI1_HP HDMI0_HP DVDD18 DVDD33 DVDD18 DVDD33 DVDD18 DVDD33 AVDD33 HDMI1_D1N HDMI1_D1P AVDD33 HDMI1_D2N HDMI1_D2P AVDD33 HDMI1_D0N HDMI1_D0P HDMI1_CLKP HDMI1_CLKN AVDD33 AVDD33 HDMI0_D2P HDMI0_D2N AVDD33 AVDD33 HDMI0_D1N HDMI0_...

Страница 36: ...M_Y HDMI_PB TDM_PB 12 S204 12 S203 GAIN2 VGA_G RAIN GAIN 12 C586 47n 16V BIN0P RIN0P GIN0P 12 C605 1n 50V 1 2 C653 10p 50V 12 R538 470R 12 R525 47R 12 C583 47n 16V 12 C582 47n 16V 1 2 C652 10p 50V 1 2 C651 10p 50V SOY 12 R524 47R 12 R522 47R 12 S201 5V 1 2 C633 100n 16V 12 F179 600R 12 3 D157 BAV9 9 12 C574 4u7 10V 12 R568 75R 1 2 C650 10p 50V SIDE_PR1 12 F178 600R 5V 1 2 C632 100n 16V 12 F177 600...

Страница 37: ...147 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 hitach...

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