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Hitachi L19DP03C Service Manual
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Hitachi L19DP03C Service Manual

Hitachi L19DP03C Service Manual

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CAUTION:
Before servicing this chassis, it is important that the service technician read the "Safety
Precautions" and "Product Safety Notices" in this service manual.
ATTENTION:
Avant d'effectuer l'entretien du châssis, le technicien doit lire les «Précautions de sécurité»
et les «Notices de sécurité du produit» présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die „Sicherheitshinweise" und „Hinweise
zur Produktsicherheit" in diesem Wartungshandbuch zu lesen.
FOR ALL PARTS PLEASE MAKE
FOR YOUR LOCAL OUTLET GO TO
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
CONTACT WITH ASWO.
www.aswo.com
Colour Television
May 2009
No. 0250
L19DP03C
«MODEL NAMES»
L19DP03U
L19HP03C
L19HP03U
Data
contained
within
this
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 Verbesserungen ändern.
Service

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  • Page 1 No. 0250 L19DP03C «MODEL NAMES» L19DP03U L19HP03C L19HP03U SERVICE MANUAL MANUEL D'ENTRETIEN WARTUNGSHANDBUCH CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precautions” and “Product Safety Notices” in this service manual. Data contained within...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION....................3 GENERAL DESCRIPTION...................3 POWER CONSUMPTION..................6 MICROCONTROLLER PORT CONFIGURATION.........6 SIDE BOARDS AND CONNECTORS ..............7 Keypad ............................7 Infrared & LED ...........................7 DVB-T ............................8 DVD.............................9 LVDS ............................11 Inverter............................12 IC SPECIFICATIONS ..................13 Microcontoller/Video&Audio Processor (VCT4953G) ............13 Scaler/De-interlacer (MST5x7A-M)..................16 Audio Amplifier (TDA2822).....................19 HeadPhone Amplifier (TDA1308T) ..................19 Audio Matrix Switch (TEA6422D) ...................20 HDMI Receiver (ANX9021) ....................21...

  • Page 3: Introduction

    6.12 SPDIF Switch (NLAST4599) ....................28 1 INTRODUCTION The purpose of this document is to define the operation of 17MB27 chassis, capable of driving 15” and 19” TFT LCD panels. It is aimed to provide information to engineering staff to understand the operation and specs of the TV.
  • Page 4 • Teletext • IR Control (RC5 and other customer specific protocols) • “No Ident” Timer • Child Lock • Sleep Timer • WSS (16:9/4:3 Aspect Ratio Auto Switch) Sound Features • Equalizer • FM Radio • Linear Stereo • German-NICAM Stereo •...
  • Page 5 • OSD Color & Transparency Selection Electrical features • 12V 4.16A DC / 100 - 240V AC adapter for 15” TV • 12V 5.83A DC / 100 - 240V AC adapter for 19” TV • <1W standby power consumption System Building Blocks 17MB27 chassis main blocks are as follows: •...

  • Page 6: Power Consumption

    There are three PWM output ports. PWM0 is assigned to analog/digital dimming control for the backlight, PWM1 is used for backlight on/off and panel logic power supply on/off control and PWM2 is used to control PC/HDMI switch IC (PI5V512). 3 POWER CONSUMPTION The power block diagram with the currents drawn is shown below: 4 MICROCONTROLLER PORT CONFIGURATION PORT...

  • Page 7: Side Boards And Connectors

    PORT SIGNAL NAME TYPE FUNCTION NAME HDMI_HP_INV HDMI hot plug signal Switching control for Mstar bus and system I2C Safety VCTI_HS VCTI composite sync output FBIN DVD_SENSE DVD module detection Vert+ TV/DVB_SW IDTV/TV I2C and AGC switch control for tuner Write protection control for NVM Infrared input Table 4.1 VCTI port configuration...

  • Page 8: Dvb-T

    Figure 5.2.1: LED board connector Pin2 and pin3 carry the control signals for the LED. Pin4 carries the infra-red signal to the microcontroller. Pin5 is used to power up the LED board. DVB-T module board DVB-T module board (tdm1300) is used to receive digital terrestrial broadcast signals. Three cables are used to connect 17mb27 and tdm1300: power, data, and IF.

  • Page 9: Dvd

    Figure 5.3.2: DVB-T data connector on 17mb27 Tdm1300 board has no tuner on it. Instead, the tuner of 17mb27 is used for both analogue and digital reception. Tuner is controlled by either the 17mb27 microcontroller (VCTI), or tdm1300 board microcontroller. The IF (intermediate frequency) output of the tuner is sent to tdm1300 board for digital reception.
  • Page 10 12V (500mA) is sent to DVD electronic card by power cable: Figure 5.4.1: DVD module board power connection 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: Lvds

    Figure 5.4.3: DVD_SENSE connector on 17mb27 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: Inverter

    Figure 5.5.2: Dual LVDS output connector 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. Inverter 12V power, backlight on/off control, and dimming control signal are sent to the inverter board:...

  • Page 13: Ic Specifications

    Figure 5.6.1: Inverter connector on 17mb27 6 IC SPECIFICATIONS 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 Figure 6.1.1: VCTI49xy block diagram...
  • Page 15 Figure 6.1.2: Detailed block diagram of VCTI49xy VCTI49xyl family has two 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: Scaler/De-Interlacer (Mst5X7A-M)

    Figure 6.1.3: VCTI pinning diagram Scaler/De-interlacer (MST5x7A-M) The MST507A-M and MST517A-M are total solution graphics processing ICs for LCD displays with panel resolutions up to XGA and WXGA+ / SXGA+ respectively. They are configured with a high-speed integrated triple-ADC/PLL, a high quality display processing engine, and an integrated multi-purpose output display interface that can support all major panel interface formats.
  • Page 17 MST has a built-in OSD generator with 291 character font programmable RAM. OSD generator supports 2/4/8 multi-color fonts, 8/16/256 color palette and 1K code attributes. MST also supports dual channel 6-bit/single channel 8-bit TTL panel interface and 6/8-bit LVDS panel interface.
  • Page 18 Figure 6.2.2: Pinning of MST5x7A-M...

  • Page 19: Audio Amplifier (Tda2822)

    PORT SIGNAL NAME TYPE FUNCTION NAME PWM0 AN/DIG_DIM Analog or digital dimming control PWM1 BKL_ON/OFF Backlight On/Off Control PVCC_ON/OFF Panel Logic Power On/Off control PWM2 PC/HDMI_SW O Video switching control Table 6.2.1: MST5x7A-M port allocation Audio Amplifier (TDA2822M) TDA2822M is a dual low-voltage power amplifier in 8-lead minidip package. It is used in bridge configuration in 17mb27.

  • Page 20: Audio Matrix Switch (Tea6422D)

    • Large output voltage swing Figure 6.4.1: TDA1308T block diagram Figure 6.4.2: Pinning of TDA1308T 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 •...

  • Page 21: Hdmi Receiver (Anx9021)

    Figure 6.5.1: TEA6422D pinning HDMI Receiver (ANX9021) The ANX9021 is an advanced multimedia receiver compliant with High Definition Multimedia Interface (HDMI) Specification 1.2. HDMI is the first transport standard to unify digital video, audio, and control da ta over lowcost cables. It connects digital television, flat panel displays and project systems digitally to multimedia sources: DVD players, high definition settop boxes, digital video tape recorders, and personal computers.Digital transmission, in turn, delivers an uncompromising multimedia experience.
  • Page 22 • Dual-channel HDMI receiver supporting link data rate up to 1.65 Gbps • HDMI 1.2, HDCP 1.1 and DVI 1.0 compliant • WideEye™ architecture for signal conditioning and equalization o support cable length up to 20m o better than 10E-12 bit error rate •...

  • Page 23: Video Switch (Pi5V512)

    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-performance, low-cost solution to switch between video sources • Wide bandwidth: 550 MHz • Low On-Resistance: 5Ω • Low crosstalk at 10 MHz: –90dB •...

  • Page 24: Tuner (Dtt71306)

    Figure 6.7.2: Pin configuration of PI5V512 Figure 6.7.3: Truth table of PI5V512 Tuner (DTT71306) DTT713xx is a digital 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: •...

  • Page 25: Saw Filter (X6966M)

    Figure 6.8.1: Block diagram of DTT713xx 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: I2C Switch (74Hct4053)

    Figure 6.9.2: Pin configuration of X696M 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). Figure 6.10.1: Pin configuration of 74HCT4053 Figure 6.10.2: Logic symbol of 74HCT4053...

  • Page 27: Audio Dac (Cs4334)

    Figure 6.10.3: Function table of 74HCT4053 6.11 Audio DAC (CS4334) CS4334 is a 8-pin, 24-bit, 96 kHz stereo D/A converter. The CS4334 family is based on Delta-Sigma modulation, where the modulator output controls the reference voltage input to an ultra-linear analog low- pass filter.
  • Page 28 Figure 6.11.1: Block diagram of CS4334 6.12 SPDIF Switch (NLAST4599) The NLAST4599 is an advanced high speed CMOS single pole − double throw analog switch fabricated with silicon gate CMOS technology. It achieves high speed propagation delays and low ON resistances while maintaining low power dissipation.
  • Page 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 DESCRIPTION FRONT COVER LCD 19784 W/H LENS LED 2832WRF (MILKY)(I) LENS IR 21005 H1: 6 H2: 5(I) 17LD62 SCREW PC ZN YFMB 3 x 9.5 SPEAKER 16R 5W 31 x 94mm. ROHS SCREW PC ZN YFMB 3 x 9.5 RoHS SCREW PC ZN YFMB 3 x 9.5 17TK109 17TK104/17TK104-S...
  • Page 32 C124 R412 CN122 DVB_IN_R TP117 C125 R413 BACK AV HD RGB INPUT FOR MST517 SCART CVBS OUT SOFTWARE UPDATE C12V C161 DVB_IN_G/Y F131 R274 R159 VCTI_PROG_EN VCTI_PROG_EN FAVINL 470R D140 TP118 C174 C126 600R JK102 100n R414 C418 HWSDA HWSCL DVB_IN_B/C C117 F132...
  • Page 33 FLASH PROG. & VCTI DEBUG CN113 C193 S126 SD RGB INPUT FOR MST517 AUDIO LINE-OUT +3V3 100n +5V_VCTI R446 R268 S123 +3V3 C373 R388 C527 C178 C187 C528 Q128 ROUT2 GND1 GND8 100u 100n 100n 100u S124 BC848B HWSDA F148 F103 C513 R389...
  • Page 34 C512 L113 PANEL_VCC 3V3 SUPPLY FOR MST517 PC/HDMI SWITCH 1V8 SUPPLY FOR MST517 R328 F154 L115 F158 PC/HDMI_SW S131 C209 600R PC/HDMI_SW +1V8 C352 C235 600R R327 R326 C356 C239 100n Q134 100n C351 100n BC848B R253 R370 F156 Q133 PWM2 C522 BC848B...
  • Page 35 Q193 C500 12V_STBY C255 NTGS3446 Q181 100n IRF7314 C377 U696 C428 C496 100n 12V_STBY FS101 D119 D120 12V_STBY 1V8_STBY R372 100n 1V8_STBY C369 12V_STBY MP1593 +12V_AUDIO C134 R255 470u COMP R371 1A/63VDC 1N4001 1N4001 C498 R235 12V_STBY 100n R338 100R +1V8 FS102 C156...
  • Page 36 C479 R475 AUDIO AMPLIFIER SPEAKER OUT CN116 100n LEFT+ F123 C480 AUDIO MUTE AUDIO SWITCH C12V IN1- OUT1 100n RIGHT+ C507 LEFT- R161 U693 F162 R284 1u 16V MAIN_R C265 IN1+ D107 +12V_AUDIO 470R SDA_5V C517 C518 TDA2822M F124 C520 R285 C492 CN102...
  • Page 37 F117 +3V3_HDMI AVDD33 pin38 pin42 pin46 pin50 pin57 pin61 pin65 pin69 pin98 pin99 pin37 pin6 pin7 C439 C440 C441 C361 C360 C302 C301 C300 C299 C298 C297 C296 C295 C294 C293 C292 C291 C290 100n 100n 100n 100n 100n 100n 100n 100n 100n...
  • Page 38 No. 0250 IR RECEIVER...
  • Page 39 No. 0250 KEYPAD...
  • Page 40 No. 0250 KEYPAD - DVD...
  • Page 41 CN121 C538 D138 C351 C239 F158 R134 C415 C346 F128 VESTEL R133 F126 C345 C414 CN123 R209 C121 S112 CN114 17MB27-2 C356 R445 R221 C211 S128 R429 C352 S120 R312 R316 D145 R430 Q122 F154 S119 Q116 C547 R431 R315 C553 260907 Q113...
  • Page 42 TP117 TP124 TP125 TP119 TP123 TP118 TP160 TP126 TP127 TP161 TP139 TP149 TP153 TP131 TP129 TP130 TP167 TP120 TP145 TP148 TP166 TP144 TP121 TP146 TP143 TP147 TP132 TP154 TP155 TP101 TP102 TP122 TP103 TP104 TP110 TP162 TP133 TP163 TP142 TP164 TP165 TP111 TP113...
  • Page 43 CN107 CN101 CN108 CN121 CN122 CN127 CN126 S112 D137 Q111 C546 C547 D145 C415 S120 CN123 R134 F128 CN114 S119 R221 CN120 C346 C351 D138 C356 R429 C235 C553 R312 R445 F126 C413 R133 F104 Q120 R179 R487 R177 R430 C239 C214 R316...
  • Page 44 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

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