Hitachi L19DP03C Page 32 Service Manual Download

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IA0

GND1

IA1

IB0

GND2

IB1

IC0

IC1

GND3

GND4

ID1

GND5

ID0

IE1

GND6

IE0

VCC

GND SDA

SCL

VCC

SCARTRB1

IDTVCONNECT

IDTVIF

DVDSENSE

DVDCONNECT

BACK AV

AUDIO LINE-OUT

PC AUDIO IN

HD RGB INPUT FOR MST517

SWITCH BYPASS

SCART CVBS OUT

PC/HDMI SWITCH

SOFTWARE UPDATE

YPbPr via VGA

PC DDC EEPROM

PC CONNECTOR

SC101

GPIO_2

+3V3

LINE_OUT_L

LINE_OUT_R

S164

EE_WP

VGA_VS

100n

16V

VGA_HS

C176
100n
16V

VGA_HS

VGA_VS

SILENCE

D140

C12V

102

S163

TP103

TP104

S113

SPDIF_OUT

DVD_L_IN

DVD_R_IN

R506

10k

R490

10k

DVD_L_IN

TP132

101

C12V

129

C557
100n
16V

R500

10k

C173

100n

16V

C108
12p
50V

+5V

F164

600R

F135

600R

VGA_G

C423
4n7
50V

CN122

R307

10k

Q115

BC848B

R304

10k

Q113

BC848B

+3V3

R209
100R

SC_B

R107

75R

R207
100R

SC_R

R110

75R

R208
100R

SC_G

R111

75R

C123
27p
50V

D133

C5V1

C122
27p
50V

D135

C5V1

RX-DATA

SC_PIN8

D104
C12V

C172
100n
16V

SC_IN_L

C413
4n7
50V

F125

600R

D134

C5V1

TX-CLOCK

R492

75R

SC_V_OUT

R108

75R

C347
150p
50V

SC_V_IN

R206
100R

F126

600R

C414
4n7
50V

R133
680R

C345
150p
50V

SC_L_OUT

TP131

DVD_CVBS

DVD_C

TP130

C129
27p
50V

DVD_Y

C128
27p
50V

TP129

C130
27p
50V

R215
100R

R214
100R

C175
100n
16V

HDMI_VS

F134

600R

+5V

PC/HDMI_SW

VGA_VS

+5V

124

BA
V9

C466
100p
50V

CVBS_IN

R211
100R

R310

10k

DVB_IN_G/Y

DVB_IN_B/C

R172

4k7

R173

4k7

C124
27p
50V

R412

75R

R297

1k2

R201
100R

CN104

C422

50V

4n7

Q111
BC848B

R418

75R

R212
100R

CN121

R164

3k9

CN120

SC_IN_R

102

C12V

D103

C12V

C348
150p
50V

D131

C5V1

R210
100R

R109

75R

S111

D130

C5V1

C121
27p
50V

C346
150p
50V

R134
680R

C412
4n7
50V

F128

600R

R383

R309

10k

R305

10k

Q116

BC848B

Q114

BC848B

R411

75R

R130
910R

R286

820R

R273

470R

R380

27k

R303

10k

C458
47p
50V

C174
100n
16V

Q158

BC858B

Q112
BC848B

S109

C161

50V

C120

47n

16V

C435
10p
50V

R274
470R

R138

47R

125

BA
V9

C106
12p
50V

R203
100R

R104

75R

R113

2k2

CN111

123

BA
V9

R260
220R

R149

3k3

U691

ST24LC21

C420
4n7
50V

C349
150p
50V

C350
150p
50V

R135
680R

R136
680R

C416
4n7
50V

F129

600R

F130

600R

2
3

JK101

R103

75R

C418
4n7
50V

F131

600R

2
3

JK109

2
3

JK105

2
3

JK102

DVD_R_IN

TP133

DVD_SENSE

TP127

TP126

SCL_DVB

SDA_DVB

TP125

IRQ

TP124

TV_TXD

TP123

TV_RXD

TP120

TP119

TP118

TP117

DVB_IN_R

S114

R261
220R

R151

3k3

R150

3k3

C421
4n7
50V

F136

600R

2
3

JK106

2
3

JK103

C417
4n7
50V

2
3

JK104

C419
4n7
50V

F133

600R

F132

600R

R416

75R

R213
100R

TP101

S102

AGC_DVB

S112

R143

47R

R415

75R

F127

600R

R205
100R

R204
100R

VCTI_PROG_EN

S110

S106

S105

S107

S104

S103

S101

C115

47n

16V

C116

47n

16V

C119

47n

16V

C118

47n

16V

C117

47n

16V

C433
10p
50V

C434
10p
50V

C107
12p
50V

C127
27p
50V

C126
27p
50V

C125
27p
50V

C415
4n7
50V

D132

C5V1

SC_FB

+5V

VGA_5V

TX-CLOCK

HWSCL

+5V

RX-DATA

VCTI_PROG_EN

HWSDA

+8V

SC_V_OUT

IF_CVBS_OUT

PCIR

PCIL

FAVINL

FAVINR

DVB_IF2

DVB_IF1

DVB_IN_CVBS

+3V3

MUTEPORT

DVB_R_IN

DVB_L_IN

SOY

GAIN

GAIN-

GAIN2

BAIN-

BAIN

BAIN2

RAIN2

RAIN-

RAIN

SW_VS

SW_HS

RAIN2

GAIN2

BAIN2

SW_HS

SW_VS

HDMI_PB

BAIN2

GAIN2

HDMI_VS

VGA_HS

HDMI_HS

VGA_R

HDMI_PR

VGA_B

HDMI_Y

VGA_G

VGA_R

HDMI_PR

VGA_G

HDMI_Y

VGA_B

HDMI_PB

RAIN2

HDMI_HS

PC_SDA

PC_SCL

PC_SDA

VGA_5V

VGA_B

VGA_G

VGA_R

R105

75R

R106

75R

R114

2k2

+5V

VCTI_PROG_EN

126

BA
V9

127

BA
V9

SC_R_OUT

S108

R202
100R

R306

10k

R308

10k

R413

75R

R414

75R

R417

75R

R139

47R

R140

47R

R141

47R

R142

47R

R296

1k2

R174

4k7

R159

10k

+3V3

DVD_IR_ON/OFF

R216
100R

TP121

TP122

R491

75R

U709

PI5V512

R499

10k

S162

EE_WP

VCTI_PROG_EN

R505

10k

Q187
BC848B

R507

10k

100n

16V

LINE_OUT_R

LINE_OUT_L

No. 0250

NPUT & OUTPUT

Summary of Contents for L19DP03C

Page 1: ...tsicherheit 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 zwecks Verbesseru...

Page 2: ... 9 5 5 LVDS 11 5 6 Inverter 12 6 IC SPECIFICATIONS 13 6 1 Microcontoller Video Audio Processor VCT4953G 13 6 2 Scaler De interlacer MST5x7A M 16 6 3 Audio Amplifier TDA2822 19 6 4 HeadPhone Amplifier TDA1308T 19 6 5 Audio Matrix Switch TEA6422D 20 6 6 HDMI Receiver ANX9021 21 6 7 Video Switch PI5V512 23 6 8 Tuner DTT71306 24 6 9 SAW Filter X6966M 25 6 10 I2C Switch 74HCT4053 26 6 11 Audio DAC CS43...

Page 3: ...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 panels are 15 1024x768 and 19 w 1440x900 TFT LCD panels A DVD loader is used to read DVD content and a DVB T module card is used to support DVB T 15 TV will use 12V 4 16A DC adapter 19 TV will use 12V 5 83A DC ada...

Page 4: ...c opt Picture Modes Bright Standard Soft Media Window Enhancement MWE White balance settings warm normal cool for TV PC 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 Music News Movie Tuning Options FST Frequency Search Optional APS Auto Search Name Sort Au...

Page 5: ...trolled 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 VCTI IF demodulator Audio signal is digitally filtered in the IF demodulator block The same IF signal is buffered and sent to DVB T module card tdm1300 Since VCTI can handle all the audio processing ther...

Page 6: ...ith the currents drawn is shown below 4 MICROCONTROLLER PORT CONFIGURATION PIN NO PORT NAME SIGNAL NAME TYPE FUNCTION 47 P10 MST_RESET PROTECT O I Scaler reset Short circuit detection 48 P11 TV_RXD I IDTV UART receive signal 49 P12 TV_TXD O IDTV UART transmit signal 50 P13 IRQ O IDTV interrupt request signal 51 P14 KEY I Keyboard function select 52 P15 SC_PIN8 I Scart function select 53 P16 DVD_IR...

Page 7: ...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 17mb27 and the keyboard Figure 5 1 1 Keyboard connector 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 volume and source SOFT_SW...

Page 8: ...dule board tdm1300 is used to receive digital terrestrial broadcast signals Three cables are used to connect 17mb27 and tdm1300 power data and IF 12V 500mA is sent to tdm1300 by power cable Figure 5 3 1 DVB T module card power connection on 17mb27 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 carri...

Page 9: ... tdm1300 board microcontroller The IF intermediate frequency output of the tuner is sent to tdm1300 board for digital reception Figure 5 3 3 IDTV IF connector on 17mb27 5 4 DVD module board DVD module board has two parts a loader and an electronic card Electronic card controls the loader and has connections with 17mb27 and DVD keypad Three cables are used to connect 17mb27 and DVD electronic card ...

Page 10: ...onnection on 17mb27 Y C and or CVBS video stereo audio outputs and infra red input of DVD module board is carried on data cable Figure 5 4 2 DVD data connector on 17mb27 When a DVD is inserted into the loader the DVD electronic card sends an interrupt signal DVD_SENSE to the 17mb27 microcontroller ...

Page 11: ...igure 5 4 3 DVD_SENSE connector on 17mb27 5 5 LVDS connector MST507A M is used for single LVDS output and MST517A M is used for dual LVDS output on 17mb27 Figure 5 5 1 Single LVDS output connector on 17mb27 ...

Page 12: ...ctor on 17mb27 Panel_Vcc1 is the power input for the panel LCD module PIN7 signal is a logic 1 or 0 signal depending on the panel type 5 6 Inverter 12V power backlight on off control and dimming control signal are sent to the inverter board ...

Page 13: ...ector on 17mb27 6 IC SPECIFICATIONS 6 1 Microcontoller Video Audio Processor VCT4913G VCTI49xy is composed of microcontroller video proccessor display and deflection processor sound proccessor and IF blocks as shown in below figure ...

Page 14: ...14 Figure 6 1 1 VCTI49xy block diagram ...

Page 15: ... package types PSSDIP88 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 ...

Page 16: ...isplay processing engine and an integrated multi purpose output display interface that can support all major panel interface formats To further reduce system costs the MST517A M also integrates intelligent power management control capability for green mode requirements and spread spectrum support for EMI management Input mode detection support analyzes input video signal H V polarity H V frequency...

Page 17: ...attributes MST also supports dual channel 6 bit single channel 8 bit TTL panel interface and 6 8 bit LVDS panel interface MST517A M supports up to WXGA 1440x900 SXGA 1400x1050 display resolution with up to 135 MHz dot clock and MST507A M supports up to XGA 1024x768 display resolution with up to 85 MHz dot clock Figure 6 2 1 Internal block diagram of MST5x7A M ...

Page 18: ...18 Figure 6 2 2 Pinning of MST5x7A M ...

Page 19: ... The features of this amplifier are Supply voltage down to 1 8 V Low crossover distortion Low quiescent current Bridge or stereo configuration Figure 6 3 1 TDA2822M package 6 4 Headphone Amplifier TDA1308T TDA1308T is an integrated class AB stereo headphone driver contained in an SO8 DIP8 or a TSSOP8 plastic package SO8 package is used in 17mb27 The device is fabricated in a 1mm CMOS process The m...

Page 20: ...io 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 different addresses Serial bus controlled Low noise Low distortion ESD protection Wide dynamic range 3 Vrms ...

Page 21: ...MI data streams and decodes the selected input into digital audio and vide o data outputs The receiver incorporates Analogix s proprietary WideEye architecture which has receiv ed considerable industry acclaim when introduced in Analogix s 6 25 Gbps SerDes products for telecom a nd datacom applications Applying the same advanced techniques in ANX9021 allows displays systems to achieve errorfree HD...

Page 22: ...om YCbCr both directions 601 and 709 standards Auto video mode configuration Analog RGB YPbPr output with 8 bit linearity Digital audio interface o 32 to 192 kHz audio sampling rate o Up to 4 I2S interface for 8 channel audio o S PDIF interface supporting PCM Dolby Digital DTS digital audio transmission using IEC 60958 and IEC 61937 o Configurable soft mute Integrated HDCP decryption engine and pr...

Page 23: ... are High performance low cost solution to switch between video sources Wide bandwidth 550 MHz Low On Resistance 5Ω Low crosstalk at 10 MHz 90dB Ultra low quiescent power 0 1μA typical Single supply operation 5 0V Fast switching 10ns Packaging Pb free Green available 24 pin 150 mil wide plastic QSOP Q Figure 6 7 1 Block diagram of PI5V512 ...

Page 24: ...opean 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 Internal wide band AGC 3V3 and 5V I2C bus programmable General purpose port output Antenna power ...

Page 25: ...25 Figure 6 8 1 Block diagram of DTT713xx 6 9 SAW Filter X6966M X6966M is a SAW Surface Acoustic Wave band pass filter at 36 125 MHz Figure 6 9 1 Package of X6966M ...

Page 26: ...iple 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 Figure 6 10 1 Pin configuration of 74HCT4053 Figure 6 10 2 Logic symbol of 74HCT4053 ...

Page 27: ...an ultra linear analog low pass 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 96 dB dynamic range 88 dB THD N Low clock jitter sensitivity Single 5V power supply Filtered line level ou...

Page 28: ...N of typical CMOS analog switches The channel select input structure provides protection when voltages between 0 V and 5 5 V are applied regardless of the supply voltage This input structure helps prevent device destruction caused by supply voltage input output voltage mismatch battery backup hot insertion etc Main features of NLAST4599 are Select Pin Compatible with TTL Levels Channel Select Inpu...

Page 29: ...29 Chip Complexity 38 FETs Figure 6 12 1 Pin assignment of NLAST4599 Figure 6 12 2 Logic symbol of NLAST4599 Figure 6 12 3 Function table of NLAST4599 ...

Page 30: ...FOR ALL PARTS PLEASE MAKE CONTACT WITH ASWO FOR YOUR LOCAL OUTLET GO TO www aswo com ...

Page 31: ...EW PC ZN YFMB 3 x 9 5 9 10 11 12 13 5 6 7 8 NO 2 3 1 4 1 1 1 2 2 2 4 QTY 1 1 BACK CVR LCD 1996 97 W IDTV DVD FB DVD SCREW PC ZN YSMB 4 x 16 12 1 17TK104 17TK104 S 1 1 BUTTON POWER 1709W EKO GRAY I BUTTON FUNC DVD TFT 1709W SILVER P 1 SCREW PC ZN YFMB 3 x 9 5 2 LENS LED 2832WRF MILKY I 1 SCREW PC ZN YFMB 3 x 9 5 4 20 COVER FOOT LCD 1996 1 SCREW CZ NY FMBM 4 x 12 SILVER ROSH 4 17LD62 1 21 METAL INSE...

Page 32: ...10R 12 R286 820R 12 R273 470R 12 R380 27k 12 R303 10k 1 2 C458 47p 50V 1 2 C174 100n 16V 1 2 3 Q158 BC858B 1 2 3 Q112 BC848B 12 S109 12 C161 1n 50V 12 C120 47n 16V 1 2 C435 10p 50V 12 R274 470R 12 R138 47R 1 2 3 D125 BAV9 9 1 2 C106 12p 50V 12 R203 100R 12 R104 75R 12 R113 2k2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN111 1 2 3 D123 BAV9 9 12 R260 220R 12 R149 3k3 1 2 3 45 6 7 8 U691 ST24LC21 1 2 C420...

Page 33: ... 100n 16V 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 11 U701 VCT4953 12 R258 68R 12 R437 2k2 12 R125 150R 1 2 3 Q161 BC858B 1 2 C196 100n 16V 12 C371 1u 50V 12 R384 1k 12 R448 33k 1 2 3 Q118 ...

Page 34: ...100n 16V 12 C226 100n 16V 12 C222 100n 16V 12 C219 100n 16V 12 C217 100n 16V 12 C213 100n 16V 12 C212 100n 16V 5V 5V PWM2 PWM1 5V 5V VPO VDD VAD VDPLL 12 R115 390R VAD VAD PWM 2 3V3 5V PWM0 PWM 0 PWM 1 BKL_ON OFF 3V3_STBY 1 2 3 Q133 BC848B B_TXOUT0 B_TXOUT0 B_TXOUT1 B_TXOUT1 B_TXOUT2 VDD 12 F158 600R 12 F154 600R PVCC_ON OFF 1 2 3 Q131 BC848B 1 2 3 Q132 BC848B VPO TXOUT3 B_TXOUT0 B_TXOUT0 B_TXOUT1...

Page 35: ... 16V 1 2 C157 100u 6V3 1 2 C145 10u 16V 12 R236 100R 12 R155 3k3 12 S132 12 R342 10k 1 2 3 Q142 BC848B 1 2 C156 100u 6V3 12 R235 100R 12 R154 3k3 12 S133 12 R341 10k 1 2 3 Q141 BC848B 1 2 3 45 6 7 8 U696 MP1593 12 D121 SS33 12 L107 22u 12 C369 8n2 50V 12 R255 5k6 12 R338 10k 12 R289 15k 12 R470 2k 1 2 C256 100n 16V 1 2 C428 10n 16V 1 2 C143 10u 16V 12 R234 100R 12 R153 3k3 12 R152 3k3 12 R340 10k ...

Page 36: ... U702 TEA6422D 3V3 12 R160 10k 12 D105 C12V 12 D107 C12V 12 D108 C12V 12 D106 C12V 12 F124 75R 12 R475 4R7 12 R473 4R7 1 2 R474 4R7 12 C479 100n 16V 12 C478 100n 16V 1 2 C476 100n 16V 12 R467 910R 12 R466 910R 12 R161 10k 1 2 C494 10n 16V 1 2 C493 10n 16V 1 2 C491 10n 16V 12 F123 75R 1 2 3 4 5 6 7 8 U693 TDA2822M 1 2 CN102 12 R425 39k 12 R156 220k 12 R422 39k 12 C331 220n 16V 12 R157 220k 12 R424 ...

Page 37: ...10 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_D1P HDMI0_D0P HDMI0_D0N AVDD33 AVDD33 AVDD33 HDMI0_CLKN HDMI0_CLKP DVDD1 8 ...

Page 38: ...No 0250 IR RECEIVER ...

Page 39: ...No 0250 KEYPAD ...

Page 40: ...No 0250 KEYPAD DVD ...

Page 41: ... C255 R255 C369 C495 C503 C248 C249 F111 R340 U68 8 R406 D143 D144 R1 06 R1 08 R1 05 R1 04 R411 R159 C413 C123 C347 D104 R208 R210 R206 F1 25 TH101 D134 D123 R309 C172 S111 R308 Q158 Q112 U691 R499 F1 47 C384 S1 37 F1 64 JK1 06 R48 9 C173 R113 S1 D129 S2 S113 R114 R260 R261 S1 38 C383 S1 65 F 114 C267 S167 C259 C425 C131 C323 C263 C268 JK1 03 Q105 R174 D116 D114 C420 F1 35 C127 R202 R201 R415 D141...

Page 42: ...3 TP163 TP124 TP125 TP123 TP130 TP120 TP117 TP119 TP118 TP121 TP132 TP162 TP165 TP155 TP142 TP154 TP153 TP145 TP146 TP147 TP148 TP152 TP167 TP108 TP114 TP111 TP101 TP160 TP102 TP126 TP133 TP131 TP129 TP164 TP144 TP166 TP149 TP139 TP151 TP109 TP110 TP113 TP106 ...

Page 43: ...4 R280 R392 C163 C165 F137 Z 1 0 1 C331 R422 Q111 R188 R310 R490 R312 Q124 Q127 C328 C327 C510 R467 C480 F162 C476 D106 R221 R487 R177 C507 U699 C203 R369 C266 C260 R424 C509 C422 Q159 R123 C177 C494 C508 F121 C478 D105 F116 C542 C548 Q160 Q161 R349 C521 F129 S159 S158 R281 R436 R258 R259 C264 R239 R268 JK104 CN114 Q162 Q128 R446 C513 R136 R190 R143 F134 R274 R141 S106 C349 C382 C381 C436 C231 R11...

Page 44: ...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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