JVC LT-26DE1BJ/AX Service Manual
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JVC LT-26DE1BJ/AX Service Manual

Integrated digital terrestrial lcd television
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SERVICE MANUAL
INTEGRATED DIGITAL TERRESTRIAL LCD TELEVISION
5 S ERVICE MANUAL
YA695<Rev.001>
2009
LT-26DE1BJ
COPYRIGHT © 2009 Victor Company of Japan, Limited
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
/AX

TABLE OF CONTENTS

COPYRIGHT © 2009 Victor Company of Japan, Limited
, LT-26DE1BU
/AX
No.YA695<Rev.001>
2009/5

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  • Page 1: Table Of Contents

    SERVICE MANUAL INTEGRATED DIGITAL TERRESTRIAL LCD TELEVISION YA695<Rev.001> 2009 5 S ERVICE MANUAL LT-26DE1BJ , LT-26DE1BU COPYRIGHT © 2009 Victor Company of Japan, Limited TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Contents Items LT-26DE1BJ LT-26DE1BU Dimensions ( W × H × D ) 66.0 cm × 48.83 cm × 27.86 cm [66.0 cm × 44.0 cm × 9.0 cm (Without stand)] Mass 9.2 kg [8.2 kg (Without stand)] Power Input AC220V - AC240 V, 50 Hz Power Consumption 105 W (Standby: 0.9 W)

  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (6) Isolation Check (Safety for Electrical Shock Hazard) many circuits and components specially for safety After re-assembling the product, always perform an isola- purposes. For continued protection, no changes should be tion check on the exposed metal parts of the cabinet (an- made to the original design unless authorized in writing by tenna terminals, video/audio input and output terminals,...
  • Page 4 INSTALLATION 1.2.1 ATTACH THE STAND TO THE TV 1.2.4 INSTALLATION REQUIREMENTS When installing the unit on the floor, it is required to attach the Ensure that the minimal distance is maintained, as specified supplied stand. below, between the unit with and the surrounding walls, as well To attach the stand to the TV, follow the procedure below.
  • Page 5 HANDLING HARD DISK DRIVE (HDD) HANDLING LCD PANEL The HDD is a precision device for use in reading and writing a 1.4.1 PRECAUTIONS FOR TRANSPORTATION large amount of data on or from a disk rotating at a high speed. When transporting the unit, pressure exerted on the internal LCD If it is not handled carefully, either abnormal operation may result panel due to improper handling (such as tossing and dropping) or it may not be possible to read data.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS FEATURES DIGITAL TUNER PICTURE MODE This TV can receive both DVB-T(Digital terrestrial broadcasting) This function can adjust the picture settings automatically. and Analogue terrestrial broadcasting. There are BRIGHT, STANDARD, SOFT and MANUAL in the PICTURE MODE. HDMI INPUT By connecting a HDMI compatible device, high definition ZOOM...
  • Page 7 TECHNICAL INFORMATION 2.3.1 LCD PANEL This unit uses the flat type panel LCD (Liquid Crystal Display) panel that occupies as little space as possible, instead of the conventional CRT (Cathode Ray Tube), as a display unit. Since the unit has the two polarizing filter that are at right angles to each other, the unit adopts "normally black" mode, where light does not pass through the polarizing filter and the screen is black when no voltage is applied to the liquid crystals.

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY CAUTION AT DISASSEMBLY • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. • Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors. •...
  • Page 9 SIDE SHIELD REAR COVER MAIN PWB MPEG PWB POWER UNIT POWER BRACKET HDD BRACKET INVERTER PWB COVER MAIN SHIELD PANEL BRACKET LCD PANEL STAND PANEL INVERTER BRACKET BLUE LED MODULE SPEAKER IR PWB CONTROL KNOB SPEAKER FRONT KEY PWB CONTROL CABINET BASE Fig.3-1...
  • Page 10 MEMORY IC REPLACEMENT • This model uses the memory IC. • This memory IC stores data for proper operation of the video and drive circuits. • When replacing, be sure to use an IC containing this (initial value) data. 3.3.1 MEMORY IC REPLACEMENT PROCEDURE 1.
  • Page 11 3.3.3 SETTINGS OF FACTORY SHIPMENT 3.3.3.1 BUTTON OPERATION 3.3.3.2 REMOTE CONTROL DIRECT OPERATION Setting item Setting position Setting item Setting position POWER CHANNEL CHANNEL VOLUME VOLUME ZOOM AUTO SUB POWER 3.3.3.3 REMOTE CONTROL MENU OPERATION (1) Picture (4) Feature Setting item Setting position Setting item Setting position...
  • Page 12 REPLACEMENT OF CHIP COMPONENT 3.4.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 3.4.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.

  • Page 13: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION (1) This TV is adjusted by using REMOTE CONTROL UNIT. (2) The adjustment using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. (3) Make sure that connection is correctly made AC to AC power source.

  • Page 14: Troubleshooting

    4.5.3 CHANGE AND MEMORY OF SETTING VALUE 4.5.4 FACTORY MODE SELECT KEY LOCATION SELECTION OF SETTING ITEM • [FUNCTION / ] key. For scrolling up / down the setting items. [MUTING] key + [INFORMATION] key • [FUNCTION / ] key. For select the setting items.
  • Page 15 PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the  safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied. P.W.
  • Page 16 IR P.W. BOARD ASS'Y (HU-72200001) ......................3-11 KEY P.W. BOARD ASS'Y (HU-72200002) ...................... 3-11 PACKING ................................... 3-12 PACKING PARTS LIST ............................. 3-12 USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y No. P.W.B ASS'Y name LT-26DE1BJ/AX LT-26DE1BU/AX MAIN P.W.B HU-71100007 ← MPEG P.W.B HU-71100010 ←...
  • Page 17 EXPLODED VIEW INVERTER PWB COVER (No.YA695<Rev.001>)3-3...
  • Page 18 PRINTED WIRING BOARD PARTS LIST MAIN P.W. BOARD ASS'Y (HU-71100007) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local HU-001060250 C CAPACITOR 0.1uF 16V K HU-001060250 C CAPACITOR 0.1uF 16V K ------------ Not supply HU-001060250 C CAPACITOR 0.1uF 16V K...
  • Page 19 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C233 HU-001060219 C CAPACITOR 1000pF 50V K C631 HU-001060250 C CAPACITOR 0.1uF 16V K C234 HU-001060219 C CAPACITOR 1000pF 50V K C632 HU-001060236 C CAPACITOR 10uF 25V C235 HU-001060236...
  • Page 20 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local HU-002000417 MG RESISTOR 4.7kΩ R356 HU-002000433 MG RESISTOR 0Ω HU-002000417 MG RESISTOR 4.7kΩ R357 HU-002000433 MG RESISTOR 0Ω HU-002000417 MG RESISTOR 4.7kΩ R370 HU-002000405 MG RESISTOR 1kΩ...
  • Page 21 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R669 HU-002000437 MG RESISTOR 10kΩ L378 HU-011000056 INDUCTOR 1.8uH R680 HU-002000437 MG RESISTOR 10kΩ L379 HU-011000056 INDUCTOR 1.8uH R681 HU-002000417 MG RESISTOR 4.7kΩ L380 HU-011000056 INDUCTOR 1.8uH...
  • Page 22 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local HU-005000900 CRYSTAL 20.25MHz C268 HU-001060250 C CAPACITOR 0.1uF 16V K Y470 HU-005000890 CRYSTAL 14.31818MHz C269 HU-001060250 C CAPACITOR 0.1uF 16V K Y800 HU-005000940 CRYSTAL 16MHz C270 HU-001060321...
  • Page 23 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C640 HU-001060250 C CAPACITOR 0.1uF 16V K HU-002000437 MG RESISTOR 10kΩ C641 HU-001060250 C CAPACITOR 0.1uF 16V K HU-002000437 MG RESISTOR 10kΩ C643 HU-001060265 C CAPACITOR 1uF 16V K HU-002000437...
  • Page 24 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R246 HU-002000433 MG RESISTOR 0Ω R760 HU-002000437 MG RESISTOR 10kΩ R312 HU-002000437 MG RESISTOR 10kΩ R811 HU-002000437 MG RESISTOR 10kΩ R320 HU-002000465 MG RESISTOR 1kΩ...
  • Page 25 Ref No. Part No. Part Name Description Local PR734 HU-002070039 NET RESISTOR 33Ωx4 PR735 HU-002070039 NET RESISTOR 33Ωx4 HU-005001260 CRYSTAL 27MHz Y640 HU-005000940 CRYSTAL 16MHz Y670 HU-005000940 CRYSTAL 16MHz Y760 HU-005001050 CRYSTAL 25MHz IR P.W. BOARD ASS'Y (HU-72200001) Ref No. Part No.
  • Page 26 PACKING 13 18 28 30 PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local ------------ CARTON BOX Not supply ------------ CUSHION Not supply HU-0320200008 REMOTE CONTROL UNIT RM-C2111B ------------ BATTERY AA/R6(x2) HU-2000000128 INST BOOK English LT-26DE1BJAX   HU-2000000129 INST BOOK Portuguese/German/Spanish/Italian/Greek/Dutch/Czech/French LT-26DE1BUAX...
  • Page 27 SCHEMATIC DIAGRAMS INTEGRATED DIGITAL TERRESTRIAL LCD TELEVISION LT-26DE1BJ , LT-26DE1BU DVD-ROM No.SML2009Q1 No.YA695<Rev.001> COPYRIGHT © 2009 Victor Company of Japan, Limited. 2009/5...
  • Page 28 LT-26DE1BJ , LT-26DE1BU STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
  • Page 29 WIRING DIAGRAM LCD PANEL UNIT LCD PANEL UNIT HDD UNIT [INVERTER PWB] [LCD CONTROL PWB] DIGITAL TUNER DIGITAL TUNER JP760 KEY PWB JP850 MPEG PWB JP710 JP680 JP630 JP681 250V/6.3A POWER UNIT JP682 ANALOG TUNER AC INLET JP581 MAIN PWB IR PWB SPEAKER(L) SPEAKER(R)
  • Page 30 BLOCK DIAGRAM DTT_AUD_R/L DTT_RESET MPEG_B_Pb MPEG_G_Y MPEG_GPIO MPEG PWB MPEG_R_Pr RS232_SW SERVICE PORT MPEG_CVBS SBTV SPDIF_OUT U660 MPEG_RXD/TXD IR_SCART_TV MPEG_RXD/TXD TXD_PC/RXD_PC TA1/RA1 TA2/RA2 RS232C U661 COMU_RX/TX DRIVER EEPROM COMU_RX/TX DIGITAL AUDIO TA1/RA1_Sub MICOM U800 RESETn +5VST VOLTAGE VCTP_SCL/SDA_3V3 SCL/SDA_STB SDPIF_OUT X-TAL 14.318 TA1/RA1_Sub MICOM...
  • Page 31 MAIN PWB PATTERN ..........................2-99 MPEG PWB PATTERN ........................... 2-103 IR PWB PATTERN ..........................2-107 KEY PWB PATTERN ..........................2-107 USING P.W. BOARD P.W.B ASS Y name LT-26DE1BJ/AX LT-26DE1BU/AX MAIN P.W. BOARD HU-71100007 MPEG P.W. BOARD HU-71100010 IR P.W. BOARD HU-72200001 KEY P.W.

  • Page 32: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/22) [Analog Tuner] U770 TAUT-S711D Input - IEC type I2C AS : 0xC0 GND1 GND2 GND3 L/T outpur - GND4 Phono type R770 000/1005 ANT_SIF +5V_ANT MAIN PWB(4/22) C780 R779 000/1005 CVBS_TIN 2.2uF/50V/MVK/S R773 472/1005 R780 750/F/1005...
  • Page 33 MAIN PWB CIRCUIT DIAGRAM (2/22) [VCTP Power] VCT-P POWER +3V3_VCTP VSUP3.3DIG +3V3_VCTP +3V3_VCTP VSUP3.3FE VSUP3.3IO1 +12V BLM18PG300SN1D BLM18PG300SN1D BLM18PG300SN1D VSUP8.0AU 471/1005 471/1005 471/1005 106p/2012 104p/1005 106p/2012 104p/1005 104p/1005 106p/2012 104p/1005 471/1005 104p/1005 101p/1005 106p/3216 ZMM5237B +3V3_VCTP VSUP3.3FL +3V3_VCTP VSUP3.3DRI +3V3_VCTP VSUP3.3VO BLM18PG300SN1D BLM18PG300SN1D...
  • Page 34 MAIN PWB CIRCUIT DIAGRAM (3/22) [VCTP Reset & GPIO] +3V3_VCTP +3V3_VCTP +3V3_VCTP +3V3_VCTP VSUP3.3COM VSUP3.3COM ASM811REUSF-T 472/1005 472/1005 103/1005 103/1005 103/1005 OPEN-103/1005 /RESET RESET 103/1005 VCTP_SCL_3V3 VCTP_SDA_3V3 DEBUG ROM_WP HEADPHONE_ID KST4401 104p/1005 OPEN-DHT-1105TABF 104/1005 Normal ROM_WP JP61 OPEN-HEADER 2P MAIN PWB(11/22) HPD2 P1_7(CADC4)/TDO R100...
  • Page 35 MAIN PWB CIRCUIT DIAGRAM (4/22) [VCTP A/V Input] VCT7993P-FA-A1-H-500 VCT7993P-FA-A1-H-500 MAIN PWB GB[7..0] RN121 (9/22),(13/22) HSYNC VIN22 DBI0 LVDSA_0N TXA0- C120 105p 330*2 CVBS VIN21 DBI1 LVDSA_0P TXA0+ MAIN PWB C121 105p RN122 SV_Y VIN20 DBI2 LVDSA_1N TXA1- (22/22) C122 105p 330*2 SV_C TXA1+...
  • Page 36 MAIN PWB CIRCUIT DIAGRAM (5/22) [Scart Video AMP] +12V M_+12VA1 L180 BLM18PG300SN1D C181 C180 104p 100uF/25V/BXE/S M_+12VA1 M_+12VA1 R181 C182 OPEN-103/1005 U180A 104p R180 TSH72CD 000/1005 C183 470uF/16V/MVK/S SCART2_CVBS_OUT MAIN PWB(8/22) SCART2_CVBSO R182 471/F R183 OPEN-103/1005 C184 R184 OPEN-103p/1005 471/F MAIN PWB(4/22) C185 OPEN-220p/1005...
  • Page 37 MAIN PWB CIRCUIT DIAGRAM (6/22) [Scart Switch] +12V L200 L201 BLM18PG300SN1D BLM18PG300SN1D C200 C202 C203 C204 C201 106p/2012 103p/1005 104p/1005 104p 106p/3216 C205 C206 C207 106p/2012 474p 104p/1005 C208 104p/1005 R201 750/F/1005 SCART2_B BIN_VCR BOUT_TV SCART_B C209 104p/1005 R202 750/F/1005 MAIN PWB(8/22) SCART2_G SCART_G...
  • Page 38 MAIN PWB CIRCUIT DIAGRAM (7/22) [Scart 1] SC1_RED SCART1_R RV231 R231 SV060305E101N 750/F/1005 SC1_GREEN MAIN PWB(6/22) SCART1_G RV232 SV060305E101N R232 750/F/1005 SC1_BLUE SCART1_B R230 220/1005 RV233 MAIN PWB(6/22) SCART1_CVBS SV060305E101N R233 R234 750/F/1005 RV230 750/F/1005 SV060305E101N JP230 CVBSI R235 750/F/1005 MAIN PWB(5/22) C/LUMA SCART1_CVBSO...
  • Page 39 MAIN PWB CIRCUIT DIAGRAM (8/22) [Scart 2] SC2_RED SCART2_R/C RV240 R261 SV060305E101N 750/F/1005 SC2_GREEN MAIN PWB(6/22) SCART2_G RV241 R262 SV060305E101N 750/F/1005 SC2_BLUE SCART2_B R260 220/1005 MAIN PWB(6/22) SCART2_CVBS/Y RV242 R263 SV060305E101N 750/F/1005 RV243 R264 SV060305E101N 750/F/1005 JP260 CVBSI R265 750/F/1005 SCART2_CVBSO MAIN PWB(5/22) C/LUMA...
  • Page 40 MAIN PWB CIRCUIT DIAGRAM (9/22) [VGA Input & SPDIF] +5VSTB +5VSTB +5VSTB R290 OPEN_000/1005 PC_B JP290 U290A U290B OPEN_HD-SF1511G-0 R291 OPEN_74HC14 OPEN_74HC14 OPEN_750/F/1005 VSYNC1 R292 OPEN_000/1005 DDC_SCL1 PC_VSYNC VSYNC1 D290 OPEN_KDS226 RV291 C291 R294 OPEN_000/1005 HSYNC1 R293 OPEN_SV060305E101N OPEN-102p/1005 PC_G MAIN PWB(10/22) OPEN_472/1005 DDC_SDA1...
  • Page 41 MAIN PWB CIRCUIT DIAGRAM (10/22) [Component In & Signal Switch] Component_A/V Input L330 OPEN-BLM18PG121SN1D Z330 Z331 ZMMC5V6 ZMMC5V6 C331 C332 OPEN-10uF/16V/MVK/S OPEN-104p/1005 COMP_Pb_0 R331 OPEN-104/1005 COMP_Y_0 COMP_Pr C330 OPEN_105p COMP_Pr_0 COMP_Pr_0 COMP_Y COMP_Y_0 R355 000/1005 R333 COMP_Pb_0 OPEN-104/1005 R330 JP330 750/F/1005 TPSS-0738-3(STRAIGHT) R334...
  • Page 42 MAIN PWB CIRCUIT DIAGRAM (11/22) [HDMI Input1,2] HDMI1_INPUT HDMI2_INPUT JP371 JP370 2D2+ 1D2+ D2_SHIELD D2_SHIELD 2D2- 1D2- 2D1+ 1D1+ D1_SHIELD D1_SHIELD 2D1- MAIN PWB(13/22) 1D1- MAIN PWB(13/22) 2D0+ 1D0+ D0_SHIELD 2D0- D0_SHIELD 1D0- 2CK+ 1CK+ CK_SHIELD 2CK- CK_SHIELD 1CK- CEC_A CE_REMOTE MAIN PWB(12/22),(13/22),(21/22) CEC_A...
  • Page 43 MAIN PWB CIRCUIT DIAGRAM (12/22) [HDMI Input 3_SIDE] RV420 RV421 OPEN-SV060314B431N OPEN-SV060314B431N R421 OPEN-103/1005 HPD3 MAIN PWB(3/22) Q421 OPEN-KST4401 JP420 OPEN-DC1R019JBA HP_DET HDMI3_PWR R422 OPEN-102/1005 SHIELD4 HDMI3_PWR R432 OPEN-103/1005 DDC3_SDA MAIN PWB(3/22) DDC_DATA HDMI3_DET DDC3_SCL DDC_CLK SHIELD3 MAIN PWB(11/22),(13/22),(21/22) R433 CEC_A CE_REMOTE HD0_RXC-...

  • Page 44: Main Pwb Circuit Diagram

    MAIN PWB CIRCUIT DIAGRAM (13/22) [HDMI DECODE] +3V3D VDDP AVDD33 +3V3D VMPLL +1V8D AVDD18 +1V8D VDDC L473 +3V3D L472 L470 L471 L474 C474 C491 C497 C490 C473 C477 BLM18PG300SN1D BLM18PG300SN1D BLM18PG300SN1D BLM18PG300SN1D BLM18PG300SN1D 102p/1005 104p/1005 105p 104p/1005 102p/1005 103p/1005 C499 C489 C498 C488...
  • Page 45 MAIN PWB CIRCUIT DIAGRAM (14/22) [HDMI Audio DAC] U560 WM8521HC R561 PR560 330*4/1005 471/1005 C561 106p/3216 MCLK HDMI_AUD_L VOUTL LRCLK MAIN PWB(4/22) MAIN PWB(13/22) BCLK +3V3D C562 106p/3216 HDMI_AUD_R MCLK VOUTR +12V R562 R560 472/1005 471/1005 FORMAT R563 DEEMPH AVDD 000/1005 MUTE AGND...
  • Page 46 MAIN PWB CIRCUIT DIAGRAM (15/22) [Audio AMP & HP AMP] C581 C583 C584 C585 105p 105p 105p 470uF/25V/LXZ MAIN PWB ASS'Y (15/22) +12V C582 470uF/25V/LXZ [Audio AMP & HP AMP] C586 +12V C587 105p 102p/1005 HU-71100007 R580 1212/F/1005 R_SPK R581 C580 473/F/1005 102p/1005...
  • Page 47 MAIN PWB CIRCUIT DIAGRAM (16/22) [LVDS Connector] +3V3D +3V3D +3V3D +3V3D R631 R632 202/1005 R637 472/1005 R634 472/1005 102/1005 R638 R640 BL_ADJ_O BL_ADJ_O MAIN PWB(18/22) 000/1005 R635 472/1005 BL_EN_O BL_EN_O MAIN PWB(18/22) 103/F/1005 Q631 C630 MAIN PWB(3/22) BRT_ADJ KST4401 105p Q632 MAIN PWB(3/22),(21/22) BLT_EN...
  • Page 48 MAIN PWB CIRCUIT DIAGRAM (17/22) [RS232] JP660 U660 THSE-0734T ILX232 R660 101/1005 TXD_PC T1IN MAIN PWB(21/22) T2IN RXD_PC R662 101/1005 R1IN +3V3D R2IN +5VSTB C660 C661 C664 R669 104p/1005 104p/1005 106p/2012 103/1005 RV660 RV661 C662 SV060314B431N SV060314B431N 104p/1005 C663 104p/1005 JP662 OPEN-HEADER 2P +5VSTB...
  • Page 49 MAIN PWB CIRCUIT DIAGRAM (18/22) [Power & Interface Connectors] MAX. 1A L681 BLM41PG600SN1L JP680 C681 C682 +12V_MPEG SMW250-15 470uF/16V/BXJ/S 104p/1005 +5VSTB +5VSTB L682 BLM41PG600SN1L MAX.3.5A +12V C683 C684 R681 R682 +5V_MPEG 470uF/16V/BXJ/S 104p 472/1005 102/1005 L683 BLM41PG600SN1L MAX.5.5A POWER UNIT SMPS_ON L684 BLM41PG600SN1L...
  • Page 50 MAIN PWB CIRCUIT DIAGRAM (19/22) [Tuner Docking Connectors] +12V_MPEG MPEG PWB(22/22) JP850 JP710 SMAW200-40D DTT_AUD_R DTT_AUD_L MAIN PWB(3/22) MPEG_B_Pb SBTV IR_SCART_TV MAIN PWB(21/22) MAIN PWB(4/22) MPEG_G_Y MPEG_R_Pr MPEG_CVBS MAIN PWB(9/22) SPDIF_OUT MPEG_TXD MPEG_RXD MAIN PWB(17/22) COMU_TX MPEG_GPIO MAIN PWB(3/22) DTV_SDA COMU_RX DTV_SCL DTT_RESET...
  • Page 51 MAIN PWB CIRCUIT DIAGRAM (20/22) [Regulators] +3V3D +3V3_VCTP +3V3_VCTP +1V8_VCTP U721 LD1117AL-ADJ L724 HH-1M3216-501JT L723 HH-1M3216-501JT C726 C724 C731 R721 106p/2012 100uF/16V/MVK/S 104p/1005 121/F/1005 C734 +3.36V, 103p/1005 Max.2.5A L721 SPC7040-100M R723 C733 C729 R729 C730 C728 C732 560/F/1005 226p/2012 226p/2012 104/1005 100uF/16V/MVK/S 226p/2012...
  • Page 52 MAIN PWB CIRCUIT DIAGRAM (21/22) [MICRO CTRL(ATmega324)] U800 +5VSTB +5VSTB KIA7042AF R801 103/1005 +5VSTB +5VSTB RESETn System Reset JP800 C802 C803 C804 C805 MISO 106p/2012 104p/1005 104p/1005 104p/1005 SCK_0 MOSI C801 S800 RESETn 105p/1005 OPEN-DHT-1105TABF C800 104p/1005 HPH-DS06-02 +5VSTB +5VSTB +5VSTB +5VSTB VCC1...
  • Page 53 MAIN PWB CIRCUIT DIAGRAM (22/22) [Side jack] R840 220/1005 SV_C SV_C RV840 R841 SV060305E101N 750/F/1005 MAIN PWB(4/22) JP840 DUAE-9619 R842 220/1005 SV_Y SV_Y SGND SGND SGND RV841 R843 SGND SV060305E101N 750/F/1005 R844 220/1005 CVBS CVBS JP841 RV842 R845 JBH3-SYNPH SV060305E101N 750/F/1005 CVBS L840...

  • Page 54: Mpeg Pwb Circuit Diagram

    MPEG PWB CIRCUIT DIAGRAM (1/22) [TUNER0] R611 C611 104/1005 104p/1005 RFM_AGC +5VTA +5VTA U610 DTT73200 IIC AS : Tuner : 0xC2 R612 R613 OPEN-272/1005 MPEG PWB(18/22) GND1 GND2 472/1005 GND3 R614 GND4 104/1005 MPEG PWB(18/22) COMP_OUTM RFM_AGC_PWM U611A LM393MX C612 R615 104p/1005 OPEN-272/1005...
  • Page 55 MPEG PWB CIRCUIT DIAGRAM (2/22) [TUNER1] R581 104/1005 C581 RFS_AGC 104p/1005 +5VTA +5VTA U580 DTT73200 IIC AS : Tuner : 0xC0 R582 R583 OPEN-272/1005 MPEG PWB(19/22) GND1 GND2 472/1005 GND3 R584 GND4 104/1005 C582 COMP_OUTS MPEG PWB(19/22) 104p/1005 RFS_AGC_PWM U581A LM393MX R585 OPEN-272/1005...
  • Page 56 MPEG PWB CIRCUIT DIAGRAM (3/22) [POWER] EMMA2, FPGA CORE MAX 3A (TO263) +3V3 +1V5_LDO UZ1085-ADJ 100uF/16V/MVK/S OPEN-100uF/16V/MVK/S 104p/1005 104p/1005 181/F/1005 360/F/1005 +3V3 103p/1005 SPC7040-100M 226p/2012 226p/2012 470uF/16V/WZ 104/1005 226p/2012 226p/2012 OPEN- 100uF/16V/MVK/S LD29150PT/P-PAK 5P 243/F/1005 OPEN-106p/2012 332p/1005 COMP 104p/1005 912/F/1005 +3V3 +2V5 MP2307...
  • Page 57 MPEG PWB CIRCUIT DIAGRAM (4/22) [RESET & VCXO] MPEG PWB(6/22) MPEG PWB(6/22) +3V3 +3V3 +3V3 +3V3 000/1005 MRESET 104/1005 472/1005 472/1005 MPEG PWB(10/22),(21/22) #RSTSWB #RST_PWRON 100/1005 473/1005 104p/1005 MMBT4401 MMBT4401 MCP100T-300I/TT 2.2uF/50V/MVK/S EMMA2SE FLASH +3V3 DHT-1105TABF SATA BRIDGE 103/1005 103/1005 MPEG PWB(22/22) DTT_RESET MMBT4401...
  • Page 58 MPEG PWB CIRCUIT DIAGRAM (5/22) [STRAP] +3V3 RADD[0] Endian for main MIPS32 CPU 0 Little Endian MPEG PWB(6/22),(10/22),(12/22),(13/22) RADD[24:0] 1 Big Endian RADD0 103/1005 RADD[2:1] Merge Mode for main MIPS32 CPU OPEN-103/1005 00 No merge && ALL bytes enable 01 No merge && Simple bytes enable 10 Full merge &&...
  • Page 59 MPEG PWB CIRCUIT DIAGRAM (6/22) [EMMA2-0] U120A ADD[13:0] ADD13 TP121 RADD[24:0] MPEG PWB(5/22),(10/22),(12/22),(13/22) DADD13 RADD25 ADD12 RADD24 TP06 DADD12 RADD24 ADD11 RADD23 DADD11 RADD23 ADD10 RADD22 DADD10 RADD22 ADD9 RADD21 DADD9 RADD21 ADD8 RADD20 TP122 TP123 DADD8 RADD20 ADD7 RADD19 DADD7 RADD19 ADD6...
  • Page 60 MPEG PWB CIRCUIT DIAGRAM (7/22) [EMMA2-1] MPEG PWB ASS'Y (7/22) +3V3A_USB +1V5_USB +3V3_USB +3V3_AVDD DAC_REF [EMMA2-1] +3V3_EMMA +3V3_AVDD +2V5_MDDR +1V5_LDO +1V5_PLL +1V5_LDO L180 BLM18PG300SN1D HU-71100010 C180 C181 104p/1005 104p/1005 U120B MPEG PWB(17/22) VDD1_0 VACVBS CVBS VDD1_1 TP180 TP06 VDD1_2 TP181 TP06 VDD1_3 MPEG PWB(17/22) VDD1_4...
  • Page 61 MPEG PWB CIRCUIT DIAGRAM (8/22) [EMMA2-2] U120C ATADRQ ATADRQ ATADRQ ATADAK ATADAK ATADAK REQ1B ATACS0 REQ1B ATACS0 ATACS0 GNT1B ATACS1 GNT1B ATACS1 ATACS1 MPEG PWB(20/22) R241 472/1005 ATAIORDY ATAIORDY ATAIORDY FRAMEB TP212 FRAMEB ATABUFDIR TP06 IRDYB IRDYB ATAD[15:0] TRDYB TRDYB ATAD0 STOPB STOPB...
  • Page 62 MPEG PWB CIRCUIT DIAGRAM (9/22) [EMMA POWER] BOTTOM SIDE BOTTOM SIDE +2V5 +2V5_MDDR +1V5_LDO +1V5_USB +1V5_LDO +1V5_PLL L251 L252 BLM18PG300SN1D L250 BLM18PG300SN1D BLM18PG300SN1D C253 C251 C254 C255 C256 C257 C258 C250 104p/1005 106p/2012 104p/1005 104p/1005 104p/1005 104p/1005 104p/1005 104p/1005 +1V5_LDO C260 C261 C262...
  • Page 63 MPEG PWB CIRCUIT DIAGRAM (10/22) [ASH] +3V3 +3V3 U310 PC28F320J3D75 MPEG PWB(6/22),(12/22),(13/22) RADD[24:0] RDATA[15:0] RDATA0 TP310 C310 C311 C312 RADD1 RDATA1 TP06 RADD2 RDATA2 104p/1005 104p/1005 104p/1005 RADD3 RDATA3 RADD4 RDATA4 RADD5 RDATA5 RADD6 RDATA6 BOTTOM SIDE RADD7 RDATA7 RADD8 RDATA8 RADD9 RDATA9...
  • Page 64 MPEG PWB CIRCUIT DIAGRAM (11/22) [SDRAM] +2V5_MDDR R320 102/F/1005 MVREF C320 C321 C322 R321 106p/2012 104p/1005 103p/1005 102/F/1005 MPEG PWB(6/22) ADD[13:0] DADD10 ADD10 PR127 330*4/1005 DBA1 MPEG PWB +2V5_MDDR DBA0 (6/22) U_CSB #DCS0B U_CSB ADD12 PR120 DADD12 DADD11 ADD11 330*4/1005 DADD9 ADD9 C323...
  • Page 65 MPEG PWB CIRCUIT DIAGRAM (12/22) [ROM CONNECTOR] # Located on Bottom Layer # # Located on Bottom Layer # MPEG PWB(5/22),(6/22),(10/22),(13/22) MPEG PWB(6/22),(10/22),(13/22) TP350 TP351 TP352 TP353 TP354 TP355 TP356 TP357 TP358 TP359 TP360 TP361 TP362 TP363 TP364 TP365 TP366 TP367 TP10 TP10...
  • Page 66 MPEG PWB CIRCUIT DIAGRAM (13/22) [CI2006] CH1_CLK R446 470/1005 R420 OPEN-000/1005 R422 OPEN-000/1005 CHANNEL -> CI2006 HS1_CLK TP431 TP08 +3V3 R421 OPEN-000/1005 R423 OPEN-000/1005 PR428 103*4/1005 TS signal PR420 CH1_STR CH1_D0 MPEG PWB(19/22) U420A HS1_SYNC +3V3 470*4/1005 CH1_D0 CH1_VLD HS1_D0 CH1_VLD CH1_STR HS1_VALID...
  • Page 67 MPEG PWB CIRCUIT DIAGRAM (14/22) [TS INTERFACE] MPEG PWB(13/22) CI1_DO[7..0] U450 MPEG PWB(15/22) CI1_MDO[7..0] PR450 OPEN-221*4/1005 CI1_MDO0 CI1_DO0 CI1_MDO0 CI1_DO0 CI1_MDO1 CI1_DO1 CI1_MDO1 CI1_DO1 CI1_MDO2 CI1_DO2 CI1_MDO2 CI1_DO2 CI1_MDO3 CI1_DO3 CI1_MDO3 CI1_DO3 CI1_MDO4 CI1_DO4 CI1_MDO4 CI1_MDO5 CI1_DO4 CI1_DO5 CI1_MDO5 CI1_MDO6 CI1_DO5 CI1_DO6 CI1_MDO6...
  • Page 68 MPEG PWB CIRCUIT DIAGRAM (15/22) [CI SLOT] +12V +8V2 R470 102/F/1005 C470 D470 104p/1005 ZMM5237B CI1_MDO[7..0] MPEG PWB(14/22) CI1_MDI[7..0] CI1_MCLKO CI1_MCLKO MPEG PWB(15/22) CI1_MSTRI CI1_RST MPEG PWB(13/22) CI1_MSTRI CI1_RST nCI1_IOWR CI1_MWAIT nCI1_IOWR CI1_MWAIT nCI1_IORD nCI1_IORD CI1_MVLDO Q470 MPEG PWB(14/22) CI1_MVLDO CI1_MSTRO IRLML2502 R476...
  • Page 69 MPEG PWB CIRCUIT DIAGRAM (16/22) [AUDIO DAC] U500 PR500 330*4/1005 R501 471/1005 AMCK VOUTL DTT_AUD_L C501 MPEG PWB(22/22) ABCK LRCLK MPEG PWB(7/22) 10uF/25V/S ADATA BCLK +3V3 R502 471/1005 ALRCK DTT_AUD_R MCLK VOUTR C502 +12V 10uF/25V/S R500 472/1005 FORMAT DEEMPH AVDD R503 000/1005 MUTE...
  • Page 70 MPEG PWB CIRCUIT DIAGRAM (17/22) [VIDEO_AMP] +5V_AMP +5V_AMP L530 BLM18PG300SN1D C530 104p/1005 U530C TSH74CD U530D TSH74CD MPEG PEB(7/22) CVBS MPEG_CVBS MPEG PWB(22/22) MPEG_R R542 C533 OPEN-103p/1005 R543 C532 OPEN-103p/1005 R530 R531 182/F/1005 182/F/1005 R534 182/F/1005 201/1005 R532 182/F/1005 201/1005 R541 OPEN-000/1005 R533 OPEN-000/1005...
  • Page 71 MPEG PWB CIRCUIT DIAGRAM (18/22) [DEMOD0_TDA10048] MPEG PWB ASS'Y (18/22) [DEMOD0_TDA10048] +5VTA +3V3DT HU-71100010 R670 R671 OPEN-103/1005 473/1005 IFM_AGC TUNERM_AGC MPEG PWB(1/22) IFM_AGC R672 MPEG PWB(7/22) #RST0_10048 102/F/1005 C670 MPEG PWB(1/22) RFM_AGC_PWM 104p/1005 C671 104p/1005 VDDD0_3V3 Near By Tuner VDDD0_1V2 VDDDC0_1V2 U670 R673...
  • Page 72 MPEG PWB CIRCUIT DIAGRAM (19/22) [DEMOD1_TDA10048] MPEG PWB ASS'Y (19/22) +5VTA +3V3DT [DEMOD1_TDA10048] R640 R641 OPEN-103/1005 473/1005 HU-71100010 IFS_AGC MPEG PWB(2/22) TUNERS_AGC R642 IFS_AGC MPEG PWB(7/22) #RST1_10048 102/F/1005 C640 RFS_AGC_PWM MPEG PWB(2/22) 104p/1005 C641 104p/1005 Near By Tuner VDDD_3V3 VDDD_1V2 VDDDC_1V2 U640 R643...
  • Page 73 MPEG PWB CIRCUIT DIAGRAM (20/22) [CHANNEL POWER & ATA] +5VTA +5VTA_ISO MPEG PWB ASS'Y (20/22) U700 BA50BC0WFP U703 BA50BC0WFP [CHANNEL POWER & ATA] VOUT VOUT C702 C703 C709 HU-71100010 C701 C700 106p/2012 100uF/16V/MVK/S 104p/1005 104p/1005 104p/1005 +5VTA +3V3DT +1V2DT U701 U702 LD1117AL-ADJ LD1117AL-ADJ...
  • Page 74 MPEG PWB CIRCUIT DIAGRAM (21/22) [PATA TO SATA] +3V3 +3V3 R760 +1V8 +3V3 103/1005 C760 104p/1005 C801 104p/1005 JP760 +1V8 H_CS1# H_CS1# MPEG PWB(20/22) H_CS0# H_CS0# C814 103p/1005 HTX_P C815 103p/1005 HTX_M L760 BLM18PG300SN1D HDD UNIT C816 103p/1005 HRX_M C817 103p/1005 HRX_P C802 U760...
  • Page 75 MPEG PWB CIRCUIT DIAGRAM (22/22) [CONNECTOR] MPEG PWB ASS'Y (22/22) [CONNECTOR] HU-71100010 MAIN PWB(19/22) JP710 L851 BLM18PG300SN1D +12V JP850 C852 SMH200-40NND 104p/1005 C851 DTT_AUD_R MPEG PWB(16/22) OPEN-100uF/25V/MVK/S DTT_AUD_L R858 750/1005 MPEG_B R857 750/1005 MPEG_G R859 000/1005 SPDIF MPEG PEB(7/22) MPEG PWB(17/22) R856 750/1005 MPEG_R...

  • Page 76: Ir Pwb Circuit Diagram

    IR PWB CIRCUIT DIAGRAM ROM-N338THC1-5 +5VSTB MAIN PWB(18/22) JP682 +5VSTB TP10 TP10 OPEN-000 IR_OUT TP10 IR_OUT TP10 OPEN-000 000/2012 12505WR-06A 220uF/10V/TANTAL 000/2012 SV060305E101N 105p 105p SLR124-WOS SV060305E101N IR PWB ASS'Y HU-72200001 lt-19_26dx9_sub-02_0520_2/4_0.0 (No.YA695<Rev.001>)2-95 2-96(No.YA695<Rev.001>)

  • Page 77: Key Pwb Circuit Diagram

    KEY PWB CIRCUIT DIAGRAM MAIN PWB(18/22) JP681 TP10 KEY2 TP10 KEY1 TP10 12505WR-05P SV060305E101N SV060305E101N KEY1 KEY2 OPEN-302/1005 OPEN-302/1005 271/F/1005 271/F/1005 TV/AV DHT-1105TABF DHT-1105TABF 471/1005 471/1005 MENU/OK DHT-1105TABF DHT-1105TABF 102/1005 102/1005 VOL- DHT-1105TABF 272/1005 272/1005 VOL+ STANDBY DHT-1105TABF DHT-1105TABF ADC1 SW Setting Point Center Voltage Min Voltage...

  • Page 78: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] (No.YA695<Rev.001>)2-99 2-100(No.YA695<Rev.001>)
  • Page 79 MAIN PWB PATTERN [PARTS SIDE] (No.YA695<Rev.001>)2-101 2-102(No.YA695<Rev.001>)

  • Page 80: Mpeg Pwb Pattern

    MPEG PWB PATTERN [SOLDER SIDE] (No.YA695<Rev.001>)2-103 2-104(No.YA695<Rev.001>)
  • Page 81 MPEG PWB PATTERN [PARTS SIDE] (No.YA695<Rev.001>)2-105 2-106(No.YA695<Rev.001>)
  • Page 82 IR PWB PATTERN [SOLDER SIDE] IR PWB PATTERN [PARTS SIDE] KEY PWB PATTERN [SOLDER SIDE] KEY PWB PATTERN [PARTS SIDE] (No.YA695<Rev.001>)2-107...
  • Page 83 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA695<Rev.001>) Printed in Japan...

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