Hitachi 22LD3750DC Скачать руководство пользователя

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OUT1

IN1-

IN1+

GND

IN2-

IN2+

OUT2

VCC

NC1

REF1

IN1

AGND1

NC2

EN1

IN2

REF2

AGND2

EN2

NC3

BS2

VDD2

SW2

PGND2

NC4

BS1

VDD1

SW1

PGND1

SDATA

SCLK

LRCK

MCLK

AOUTR

AGND

AOUTL

COM

GND

SELECT

V+

MOI

RAG

CAS

SCL

SDA

VC1

VC2

XTO/GPIO

VTS

IF2

IF1

ROUT2

LOUT3

ROUT3

NC3

NC4

ADDR

SCL2

SDA

LOUT2

ROUT1

LOUT1

NC2

NC1

CAPACITANCE

GND

OUTA

INAN

INAP

VSS

INBP

INBN

OUTB

VDD

HP_R ve HP_L ile paralel gelecek

U699 yakõnõnda olacak

PREAMPLIFIER

Preamplifier MP7722'ye yak

õn olacak.

FEEDBACK_L

FEEDBACK_R

I2C LEVEL SHIFT

IF BUFFER

AUDIO SWITCH

AUDIO MUTE

HDMI AUDIO DAC

SPDIF BUFFER

SPDIF SWITCH

TUNER

U701 yakõnõna ba˜ lanacak

HEADPHONE AMPLIFIER

C137

470u

50V

C337

220n

16V

C343

220n

16V

C344

470n

16V

C331

470n

16V

C113

100n

50V

C114

100n

50V

R141

470R

R157

220k

R140

470R

C266
100n
16V

U699

TDA1308T

R422

39k

R425

39k

R424

39k

C548
100u
16V

R285

470R

C523

220u

16V

C267
1u
16V

F115

60R

+5V_TUNER

C564

220u

16V

C568

F109

50R

U702

TEA6422D

CN116

CN102

TU101

DTT+DT

+NXP

Q157

BSN20

Q156

BSN20

CN128

CN129

C595

470u

16V

C596

470u

16V

C593
470u
16V

10K

R552

IN
_L

10K

R546

S171

33K

R576

33K

R574

10K

R551

MAIN_R

10K

R545

SS33

D155

C594
470u
16V

60R

F167

IF2

S137

C268
100n
16V

C339

220n

10V

DVB_L_IN

C265

100n

16V

TP182

GPIO_2

MUTEPORT

C384
39p

S186

AGC_SW

+5V

TH101

2R1

+33V

R434

100R

C148
100n
50V

C383
39p
50V

S138

SDA_SW

SCL_SW

IF1

IDTV_SPDIF

S169

DVD_SPDIF

100n

16V

SPDIF_SW

U711

NLAST4599

SPDIF_SW

R503

47R

DVD_SPDIF

IDTV_SPDIF

SPDIF_SW

S174

IDTV_SPDIF

DVD_SPDIF

DVB_IF1

SPDIF_OUT

C559
1n
50V

C563

10n

16V

R510

10k

Q188

BC848B

+5V_SPDIF

Q190

BC858B

TV_TXD

Q168

BC858B

F160

60R

S142

MUTEPORT

R349

10k

MUTE

+5V

12k

TP162

+5V

F161

60R

C269
100n
16V

R480

10k

R483

10k

+8V

ON/OFF_NOT

C488
10u
10V

+5V

SCL_3V

_3V

+3V3

R241

100R

R351

10k

C359
10u
10V

R450

33k

R366

7k5

C450

3u3

50V

Q151
BC848B

R348

10k

C451

3u3

50V

U705

CS4335

C169

50V

S143

C438

10p

50V

R238

100R

Q149
BC848B

R196

4k7

C167

50V

R127

150R

C376

50V

+3V3

R156

220k

R423

39k

F116

60R

C170

50V

F141

600R

JK108

C264

100n

16V

R239

100R

R301

47k

R300

47k

4148

R377

22k

S139

Q147

BC848B

Q146

BC848B

+5V_HP

SDA_5V

SCL_5V

R284

470R

SWITCH_SOUND_R

HDMI_R_IN

HDMI_L_IN

DVB_IF2

S144

C168

50V

+3V3

+5V

PANEL_VCC

+12V

R378

22k

R237

100R

F142

600R

C375

50V

C171

50V

HP_

UGGE

HP_PLUGGED

ROUT2

LOUT3

ROUT3

+8V_IF

HP_R

IF2

IF1

HP_L

Q148
BC848B

LOUT2

DVD_R_IN

PCIR

DVB_R_IN

SWAUD_OUT_R

SWAUD_OUT_L

DVD_L_IN

PCIL

SWITCH_SOUND_L

C437

10p

50V

C166

50V

HDMI_R_IN

HDMI_L_IN

SDO

HDMI_MUTE

SCK

MCLKOUT

HDMI_MUTE

Q150
BC848B

R347

10k

R451

33k

R126

150R

R195

4k7

R197

4k7

R198

4k7

R367

7k5

S140

S141

R350

10k

R242

100R

SCL_5V

R240

100R

_5V

Q170
BC848B

S157

C517

22u

16V

C509

16V

R493

4k7

R494

4k7

TP163

TP164

TP165

C551

100u

16V

C524
47u
16V

C525
47u
16V

+5V_SPDIF

R51

180R

R504

100R

S170

R502

47R

C565

220u

16V

C430
10n
16V

R489

4k7

S187

TP181

10U
10V

C572

10V
10U

C571

100K

R587

33K

R577

16V

C570

R557

+8V

60R

F169

50V

68N

C664

68N
50V

C663

47R

R531

47R

R530

470N
25V

C668

470N
25V

C667

22P
50V

C656

120K

R537

22U

L119

50V

22P

C655

22U

L118

120K

R536

10K

R550

5819

D154

5819

D153

50V

390P

C647

47R

R529

22U
50V

C602

50V

68N

C662

16V

C569

1N4148

D149

20K

R589

C5V6

D146

470N
25V

C666

10K

R549

390P
50V

C646

47R

R528

5819

D152

C5V6

D145

470N
25V

C665

68N
50V

C661

1N4148

D148

20K

R588

5819

D151

50V

22U

C601

60R

F168

100K

R586

U717

MP7722

1N
50V

C604

100K

R585

10U
16V

C658

3N3
50V

C592

50V

68N

C660

10K

R548

50V

2N2

C641

10K

R547

68N
50V

C659

50V

C603

12K

R515

12K

R514

10U
16V

C657

100K

R584

33K

R575

U716

LM358D

VDD_AUDIO

+12V_AUDIO

VDD_AUDIO

MUTE

VDD_AUDIO

S188

S189

C598

470u

16V

C597

470u

16V

R142

470R

R143

470R

C338

220n

16V

C333

220n

16V

C332

220n

16V

C342

220n

16V

C335

220n

16V

C117

220n

16V

C341

220n

16V

C136

470u

50V

No. 0249

Audio and Tuner

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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