JVC LT-26DC1BH/AX Service Manual
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JVC LT-26DC1BH/AX Service Manual

JVC LT-26DC1BH/AX Service Manual

Integrated digital cable lcd television
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SERVICE MANUAL
INTEGRATED DIGITAL CABLE LCD TELEVISION
5 S ERVICE MANUAL
2009
YA693<Rev.001>
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
LT-26DC1BH

TABLE OF CONTENTS

COPYRIGHT © 2009 Victor Company of Japan, Limited
Preliminary
/AX
No.YA693<Rev.001>
2009/5

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  • Page 1: Table Of Contents

    Preliminary SERVICE MANUAL INTEGRATED DIGITAL CABLE LCD TELEVISION YA693<Rev.001> 2009 5 S ERVICE MANUAL LT-26DC1BH COPYRIGHT © 2009 Victor Company of Japan, Limited TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 Items Contents 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 95 W (Standby: 17.3 W) TV RF System...

  • 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 LCD PANEL 1.3.1 PRECAUTIONS FOR TRANSPORTATION 1.3.2 OPTICAL FILTER (ON THE FRONT OF THE LCD PANEL) When transporting the unit, pressure exerted on the internal LCD (1) Avoid placing the unit under direct sunlight over a panel due to improper handling (such as tossing and dropping) prolonged period of time.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS FEATURES DIGITAL TUNER PICTURE MODE This TV can receive both DVB-C(Digital cable broadcasting) and This function can adjust the picture settings automatically. 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 SMART DTV GUIDE SMART MPEG PWB POWER UNIT MAIN PWB POWER BRACKET INVERTER MAIN SHIELD PWB COVER STAND PANEL BRACKET LCD PANEL INVERTER PANEL BLUE LED MODULE BRACKET SPEAKER IR PWB CONTROL KNOB SPEAKER FRONT KEY PWB CONTROL CABINET BASE...
  • 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. • [FUNCTION / ] key. For select the setting items. [Function / ] key CHANGE OF SETTING VALUE (DATA) [FUNCTION...
  • Page 15 PARTS LIST Preliminary 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) ......................3-9 KEY P.W. BOARD ASS'Y (HU-72200002) ...................... 3-10 PACKING ................................... 3-11 PACKING PARTS LIST ............................. 3-11 USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y name LT-26DC1BH/AX MAIN P.W.B HU-71100007 MPEG P.W.B HU-71100009 IR P.W.B HU-72200001 KEY P.W.B...
  • Page 17 EXPLODED VIEW INVERTER PWB COVER (No.YA693<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 C334 HU-001060250 C CAPACITOR 0.1uF 16V K Y470 HU-005000890 CRYSTAL 14.31818MHz C335 HU-001071223 E CAPACITOR 100uF 16V Y800 HU-005000940 CRYSTAL 16MHz C336 HU-001060250 C CAPACITOR...
  • Page 23 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local HU-002000096 MG RESISTOR 10kΩ R808 HU-002000547 MG RESISTOR 120Ω HU-002000417 MG RESISTOR 4.7kΩ R809 HU-002001002 MG RESISTOR 56Ω HU-002000538 MG RESISTOR 120Ω R900 HU-002000433 MG RESISTOR 0Ω...
  • Page 24 KEY P.W. BOARD ASS'Y (HU-72200002) Ref No. Part No. Part Name Description Local HU-002000500 MG RESISTOR 27Ω HU-002000500 MG RESISTOR 27Ω HU-002000453 MG RESISTOR 470Ω HU-002000453 MG RESISTOR 470Ω HU-002000405 MG RESISTOR 1kΩ HU-002001050 MG RESISTOR 2.7kΩ HU-002000405 MG RESISTOR 1kΩ...
  • Page 25 PACKING 13 18 30 PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local ------------ CARTON BOX Not supply ------------ CUSHION Not supply HU-0320200064 REMOTE CONTROL UNIT RM-C2503 ------------ BATTERY AAA/R03(x2) HU-2000000130 INST BOOK English/French/German/Dutch  ------------ WARRANTY CARD HU-2030000014PT HU-2000700098 CAUTION SHEET...
  • Page 26 Preliminary SCHEMATIC DIAGRAMS INTEGRATED DIGITAL CABLE LCD TELEVISION LT-26DC1BH DVD-ROM No.SML2009Q1 No.YA693<Rev.001> COPYRIGHT © 2009 Victor Company of Japan, Limited. 2009/5...
  • Page 27 LT-26DC1BH 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 28 MAIN PWB PATTERN ..........................2-91 MPEG PWB PATTERN ..........................2-95 IR PWB PATTERN ............................ 2-96 KEY PWB PATTERN ..........................2-96 USING P.W. BOARD P.W.B ASS Y name LT-26DC1BH/AX MAIN P.W. BOARD HU-71200007 MPEG P.W. BOARD HU-71200009 IR P.W. BOARD HU-72200001 KEY P.W.

  • Page 29: Wiring Diagram

    WIRING DIAGRAM LCD PANEL UNIT [LCD CONTROL PWB] LCD PANEL UNIT [INVERTER PWB] DIGITAL TUNER JP770 SMART DTV PWB KEY PWB MPEG PWB JP900 JP660 JP710 250V/6.3A JP680 JP630 POWER UNIT JP681 AC INLET JP682 JP581 ANALOG TUNER JP683 MAIN PWB IR PWB BLUE LED MODULE SPEAKER(L)

  • Page 30: Block Diagram

    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: 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 32 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 33 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 VCTP_SCL_3V3 VCTP_SDA_3V3 103/1005 DEBUG ROM_WP HEADPHONE_ID 104p/1005 KST4401 OPEN-DHT-1105TABF 104/1005 Normal ROM_WP JP61 OPEN-HEADER 2P MAIN PWB(11/22) HPD2 P1_7(CADC4)/TDO R100...
  • Page 34 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 TXA0+ MAIN PWB VIN21 DBI1 LVDSA_0P C121 105p RN122 SV_Y TXA1- VIN20 DBI2 LVDSA_1N (22/22) C122 105p 330*2 SV_C...
  • Page 35 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 C183 000/1005 470uF/16V/MVK/S SCART2_CVBS_OUT SCART2_CVBSO MAIN PWB(8/22) R182 471/F R183 OPEN-103/1005 C184 R184 OPEN-103p/1005 471/F MAIN PWB(4/22) C185 OPEN-220p/1005...
  • Page 36 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 GIN_VCR...
  • Page 37 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 MAIN PWB(6/22) RV233 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 38 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 MAIN PWB(5/22) SCART2_CVBSO C/LUMA...
  • Page 39 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 DDC_SCL1 VSYNC1 R292 OPEN_000/1005 PC_VSYNC VSYNC1 D290 R293 OPEN_KDS226 OPEN_472/1005 R294 OPEN_000/1005 HSYNC1 C291 PC_G MAIN PWB(10/22) OPEN-102p/1005 DDC_SDA1 R295...
  • Page 40 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 JP330 R330 750/F/1005 TPSS-0738-3(STRAIGHT) R334...
  • Page 41 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 2D1- MAIN PWB(13/22) D1_SHIELD 1D1- MAIN PWB(13/22) 2D0+ 1D0+ D0_SHIELD 2D0- D0_SHIELD 1D0- 2CK+ 1CK+ CK_SHIELD CK_SHIELD 2CK- 1CK- CE_REMOTE CEC_A MAIN PWB(12/22),(13/22),(21/22) MAIN PWB(12/22),(13/22),(21/22)
  • Page 42 MAIN PWB CIRCUIT DIAGRAM (12/22) [HDMI Input 3_SIDE] RV420 RV421 SV060314B431N SV060314B431N R421 103/1005 HPD3 MAIN PWB(3/22) Q421 KST4401 JP420 DC1R019JBA HP_DET HDMI3_PWR R422 102/1005 SHIELD4 DDC3_SDA HDMI3_PWR R432 103/1005 MAIN PWB(3/22) HDMI3_DET DDC_DATA DDC3_SCL DDC_CLK SHIELD3 R433 CEC_A CE_REMOTE MAIN PWB(11/22),(13/22),(21/22) HD0_RXC- 183/1005...

  • Page 43: 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 44 MAIN PWB CIRCUIT DIAGRAM (14/22) [HDMI Audio DAC] U560 WM8521HC R561 PR560 330*4/1005 471/1005 C561 106p/3216 MCLK VOUTL HDMI_AUD_L 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 45 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-71200007 R580 1212/F/1005 R_SPK R581 C580 JP581 473/F/1005...
  • Page 46 MAIN PWB CIRCUIT DIAGRAM (16/22) [LVDS Connector] +3V3D +3V3D +3V3D +3V3D R631 R632 202/1005 R637 472/1005 R634 472/1005 102/1005 R640 R638 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 47 MAIN PWB CIRCUIT DIAGRAM (17/22) [RS232] JP660 U660 THSE-0734T ILX232 R660 101/1005 TXD_PC T1IN MAIN PWB(21/22) T2IN R662 101/1005 RXD_PC 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 48 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 R681 R682 C683 C684 +5V_MPEG 472/1005 102/1005 470uF/16V/BXJ/S 104p L683 BLM41PG600SN1L MAX.5.5A POWER UNIT SMPS_ON L684 BLM41PG600SN1L...
  • Page 49 MAIN PWB CIRCUIT DIAGRAM (19/22) [Tuner Docking Connectors] +12V_MPEG MPEG PWB(18/18) JP900 JP710 SMAW200-40D DTT_AUD_R DTT_AUD_L MAIN PWB(3/22) MPEG_B_Pb SBTV MAIN PWB(21/22) MAIN PWB(4/22) IR_SCART_TV MPEG_G_Y MPEG_R_Pr MPEG_CVBS MAIN PWB(9/22) SPDIF_OUT MPEG_TXD MPEG_RXD MAIN PWB(17/22) MAIN PWB(3/22) COMU_TX MPEG_GPIO DTV_SDA COMU_RX DTV_SCL MAIN PWB(3/22)
  • Page 50 MAIN PWB CIRCUIT DIAGRAM (20/22) [Regulators] +3V3D +3V3_VCTP +3V3_VCTP +1V8_VCTP U721 L724 LD1117AL-ADJ HH-1M3216-501JT L723 HH-1M3216-501JT C726 C734 +3.36V, C724 C731 R721 106p/2012 103p/1005 100uF/16V/MVK/S 104p/1005 121/F/1005 Max.2.5A L721 SPC7040-100M C733 C729 R729 C730 C728 C732 226p/2012 226p/2012 104/1005 100uF/16V/MVK/S R723 226p/2012 226p/2012...
  • Page 51 MAIN PWB CIRCUIT DIAGRAM (21/22) [MICRO CTRL(ATmega324)] U800 +5VSTB +5VSTB KIA7042AF +5VSTB R801 103/1005 +5VSTB JP800 RESETn System Reset C802 C803 C804 C805 MISO 106p/2012 104p/1005 104p/1005 104p/1005 SCK_0 MOSI RESETn C801 S800 HPH-DS06-02 105p/1005 OPEN-DHT-1105TABF C800 104p/1005 +5VSTB +5VSTB +5VSTB +5VSTB VCC1...
  • Page 52 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 IJBH3-SYNPH SV060305E101N 750/F/1005 CVBS L840...
  • Page 53 MPEG PWB CIRCUIT DIAGRAM (1/18) [Terrestrial Tuner] R130 OPEN-104/1005 C131 RF_AGC0 OPEN-104p/1005 U130 IIC AS : Tuner : 0xC2 OPEN-DTT73200 +5VT0 +5VT0 R131 GND1 OPEN-272/1005 GND2 R132 GND3 OPEN-472/1005 GND4 R133 OPEN-104/1005 C132 COMP_OUT0 MPEG PWB(6/18) MPEG PWB OPEN-104p/1005 RF_AGC_PWM0 U131A (6/18) OPEN-LM393MX...
  • Page 54 MPEG PWB CIRCUIT DIAGRAM (2/18) [QAM Tuner] U230 CD 1116AL/IH IEC Type GND1 GND2 GND3 GND4 +5VTC L230 BLM18PG300SN1D C231 C232 C230 104p/1005 102p/1005 220uF/16V/MVK/S IF_DN MPEG PWB(7/18) IF_DP R231 101/1005 RF_AGC1 MPEG PWB(7/18) C233 103p/1005 R232 +5VTC 101/1005 MPEG PWB(7/18) IF1_AGC L231 BLM18PG300SN1D...
  • Page 55 MPEG PWB CIRCUIT DIAGRAM (3/18) [CI2000/CI2002] 470*4 470*4 CI1_A[11..0] CI1_MDI[7..0] CI1_A11 CI1_TDI0 CI1_MDI0 CI1_A10 CI1_TDI1 CI1_MDI1 TS_DATA[7..0] +3V3 TS_DATA0 CI1_A9 CI1_TDI2 CI1_MDI2 TS_DATA1 CI1_A8 CI1_TDI3 CI1_MDI3 TS_DATA2 CI1_A7 CI1_TDI4 CI1_MDI4 TS_DATA3 CI1_A6 CI1_TDI5 CI1_MDI5 MPEG PWB MPEG PWB TS_DATA4 CI1_A5 CI1_TDI6 CI1_MDI6 (4/18)

  • Page 56: Mpeg Pwb Circuit Diagram

    MPEG PWB CIRCUIT DIAGRAM (4/18) [CI SLOT1] +12V JP40 A03G6B10ACE0F00 CI1_D[7..0] MPEG PWB(3/18) CI1_MDO[7..0] CI1_D3 CI1_CD1 MPEG PWB(3/18) CI1_D4 CI1_MDO3 MPEG PWB(3/18) IRLML2502 CI1_D5 CI1_MDO4 CI1_D6 CI1_MDO5 CI1_D7 CI1_MDO6 104p/1005 CI1_MDO7 CI1_A[11..0] CI1_CE CI1_A10 CI1_OE 472/1005 CI1_A11 MPEG PWB(3/18) CI1_IORD MPEG PWB(3/18) 682p/1005 121/5025...
  • Page 57 MPEG PWB CIRCUIT DIAGRAM (5/18) [TS Switch] MPEG PWB TS0_DATA[7..0] TS_DATA[7..0] MPEG PWB(3/18) (6/18) OPEN-SN74LVC244APWR MPEG PWB TS0_DATA0 101/1005 TS_DATA0 TS1_DATA0 R105 OPEN-000/1005 TS_DATA0 TS1_DATA[7..0] (7/18) TS0_DATA1 101/1005 TS_DATA1 TS1_DATA1 R106 OPEN-000/1005 TS_DATA1 TS0_DATA2 101/1005 TS_DATA2 TS1_DATA2 R107 OPEN-000/1005 TS_DATA2 TS0_DATA3 101/1005 TS_DATA3...
  • Page 58 MPEG PWB CIRCUIT DIAGRAM (6/18) [DEMOD] All locations are from 180 to 229 in this page MPEG PWB ASS'Y (6/18) +3V3 [DEMOD] +5VT0 HU-71200009 +3V3DT R191 R192 OPEN-473/1005 OPEN-473/1005 R180 R181 OPEN-103/1005 OPEN-473/1005 R182 OPEN-102/1005 IF_AGC0 d_SCL MPEG PWB(1/18) TUNER0_AGC DTV_SCL IF_AGC0 MPEG PWB...
  • Page 59 MPEG PWB CIRCUIT DIAGRAM (7/18) [QAM DEMOD TDA10023] +1V8Q +3V3Q L280 L281 BLM18PG300SN1D BLM18PG300SN1D PR280 470*4 T1_OCLK C280 C281 TS1_CLK C282 C283 T1_PSYNC 106p/3216 103p/1005 TS1_STR MPEG PWB(5/18) 106p/3216 103p/1005 T1_DEN TS1_VLD T1_UNCOR TP280 PR281 +1V8Q 470*4 pin7 pin24 pin41 L282 T1_DO0 TS1_DATA0...
  • Page 60 MPEG PWB CIRCUIT DIAGRAM (8/18) [MOJO Power Supply] +3V3_VDD +1.2V_CORE U330C PNX8316HS +1.2V_CORE L331 BLM18PG300SN1D AVDD_PLL +3V3 L330 BLM18PG300SN1D C332 104p/1005 C331 AVDD_2 100uF/16V/MVK/S AVDD_1 PADs CORE AVDD_0 C330 AVSS_PLL 104p/1005 C333 C334 104p/1005 104p/1005 +3V3 +3V3_VDDA L332 BLM18PG300SN1D C335 100uF/16V/MVK/S C336 C337...
  • Page 61 MPEG PWB CIRCUIT DIAGRAM (9/18) [MOJO Memory Interface] SMI_D[0..15] +3V3 R380 472/1005 KEY_UP R382 103/1005 SMI_A[0..14] KEY_STBY R383 OPEN-103/1005 MPEG PWB(13/18) DQMU FND_SEL AV_BLOCK DQML MOJO_IR_IN R384 103/1005 R385 330/1005 MemClkIn KEY_CH/VOL R387 R388 OPEN-103/ 1005 SD_CKE 472/1005 nSDWE nSDCAS SC2_D R389 103/1005...
  • Page 62 MPEG PWB CIRCUIT DIAGRAM (10/18) [MOJO A/V Interface] MPEG PWB ASS'Y (10/18) [MOJO A/V Interface] SC_DET R440 OPEN-472/1005 HU-71200009 U330B PNX8316HS TDO/DSU_TPC0 VID_B BLUE GREEN VID_G/VID_Y MPEG PWB(15/18) MPEG PWB(14/18) VID_R/VID_C nTRST CVBS TRST VID_CVBS/VID_Y LUMA/CVBS VID_Y/VID_CVBS CHROMA/CVBS VID_C/VID_CVBS PCST1[0] PCST1[1] VID_IDUMP2 PCST1[2]...
  • Page 63 MPEG PWB CIRCUIT DIAGRAM (11/18) [MOJO Reset] +3V3 +3V3 U480 R481 ASM811REUSF-T OPEN-103/1005 R480 OPEN-101/1005 MPEG PWB(15/18) MPEG PWB(3/18),(9/18) JTAG_RST nRST RESET R482 C480 +3V3 OPEN-104/1005 OPEN-104p/1005 R483 103/1005 S480 DHT-1105TABF R484 103/1005 MPEG PWB DTT_RESET (18/18) Q480 MMBT4401 MPEG PWB ASS'Y (11/18) [MOJO Reset] HU-71200009 All locations are from 480 to 519 in this page...
  • Page 64 MPEG PWB CIRCUIT DIAGRAM (12/18) [MOJO Flash Memory & EEPROM] +3V3 C531 C530 104p/1005 104p/1005 MPEG PWB ADDR[1..21] DATA[15..0] MPEG PWB(3/18),(9/18),(15/18) (3/18),(9/18),(15/18) ADDR1 DATA0 ADDR2 DATA1 ADDR3 DATA2 ADDR4 DATA3 ADDR5 DATA4 ADDR6 DATA5 I2C_SCL ADDR7 DATA6 MPEG PWB(9/18) I2C_SDA ADDR8 DATA7 ADDR9...
  • Page 65 MPEG PWB CIRCUIT DIAGRAM (13/18) [MOJO SMI SDRAM 16M] +3V3_SD +3V3_SD U580 R580 K4S281632I-UC75 472/1005 SMI_D[15..0] MPEG PWB(9/18) SMI_D0 SMI_A[0..14] SD_CKE MPEG PWB(9/18) SMI_D1 SMI_D2 SMI_D3 SMI_D4 SMI_D5 VCCQ SMI_D6 VCCQ SMI_D7 VCCQ SMI_D8 VCCQ SMI_D9 SMI_D10 SMI_A12 DQ10 SMI_D11 DQ11 SMI_D12 DQ12...
  • Page 66 MPEG PWB CIRCUIT DIAGRAM (14/18) [MOJO Video Out, Smart Card Connector] L630 CVBS MPEG_CVBS C630 C631 R631 OPEN-561p OPEN-561p 750/F/1005 R630 L660 OPEN-390/F/1005 BLM18PG300SN1D +3V3 C660 C661 104p/1005 104p/1005 L631 L661 CIL10J1R5KNC BLM18PG300SN1D C664 MPEG_R 100uF/16V/MVK/S C662 C632 C633 R633 104p/1005 MPEG PWB R632...
  • Page 67 MPEG PWB CIRCUIT DIAGRAM (15/18) [ROM & JTAG Connector] MPEG PWB (3/18),(9/18),(12/18) MPEG PWB (3/18),(9/18),(12/18) TP700 TP701 TP702 TP703 TP704 TP705 TP706 TP707 TP708 TP709 TP710 TP711 TP712 TP713 TP714 TP715 TP716 TP717 TP718 TP719 TP10 TP10 TP10 TP10 TP10 TP10 TP10 TP10...
  • Page 68 MPEG PWB CIRCUIT DIAGRAM (16/18) [Audio DAC] U750 PR750 WM8521HC C750 R751 330*4 10uF/25V/BXE/S 471/1005 PCM_CLKIN MPEG_AUD_L VOUTL MPEG PWB(18/18) LR_CLK LRCLK MPEG PWB(10/18) PCM_DATA BCLK +3V3 PCM_CLKOUT MPEG_AUD_R MCLK VOUTR +12V C751 R752 R750 472/1005 10uF/25V/BXE/S 471/1005 FORMAT R753 DEEMPH AVDD 000/1005...
  • Page 69 MPEG PWB CIRCUIT DIAGRAM (17/18) [Regulators] TDA10048_+3.3V TDA10048_+1.2V +3V3DT +1V2DT U801 U802 MPEG PWB ASS'Y (17/18) [Regulators] OPEN-LD1117AL-ADJ OPEN-LD1117AL-ADJ HU-71200009 R800 OPEN-121/F/1005 C806 C802 OPEN-106p/2012 OPEN-106p/2012 C803 R801 OPEN-100uF/16V/MVK/S C804 C807 OPEN-201/F/1005 OPEN-100uF/16V/MVK/S OPEN-106p/2012 MAX 3A +3V3 U800 C813 C814 R802 C815 UZ1085-ADJ...
  • Page 70 MPEG PWB CIRCUIT DIAGRAM (18/18) [Interface Connector] +12V MAIN PWB(19/22) JP710 JP900 SMH200-40D MPEG_AUD_R MPEG PWB(16/18) C905 MPEG_AUD_L 104p/1005 R900 000/1005 MPEG_B R901 000/1005 L902 HH-1M3216-501JT C904 MPEG PWB(14/18) MPEG_G 100uF/25V/BXE/S R902 000/1005 MPEG_R R903 000/1005 MPEG_CVBS MPEG PWB(10/18) SPDIF R904 000/1005 MPEG_TXD...

  • Page 71: Ir Pwb Circuit Diagram

    IR PWB CIRCUIT DIAGRAM +5VSTB ROM-L0138SH14 MAIN PWB(18/22) JP682 +5VSTB TP10 OPEN-000 TP10 OPEN-000 IR_OUT TP10 TP10 OPEN-000 IR_OUT 12505WR-06A 000/2012 SV060305E101N 105p 105p SLR124-WOS SV060305E101N IR PWB ASS'Y HU-72200001 lt-32_42dx9_sub-02_0602_2/5_0.0 (No.YA693<Rev.001>)2-87 2-88(No.YA693<Rev.001>)

  • Page 72: 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-1106T DHT-1106T 471/1005 471/1005 MENU DHT-1106T DHT-1106T 102/1005 102/1005 VOL- DHT-1106T 272/1005 272/1005 VOL+ STANDBY DHT-1106T DHT-1106T ADC1 SW Setting Point Center Voltage Min Voltage...

  • Page 73: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] (No.YA693<Rev.001>)2-91 2-92(No.YA693<Rev.001>)
  • Page 74 MAIN PWB PATTERN [PARTS SIDE] (No.YA693<Rev.001>)2-93 2-94(No.YA693<Rev.001>)

  • Page 75: Mpeg Pwb Pattern

    MPEG PWB PATTERN [SOLDER SIDE] (No.YA693<Rev.001>)2-95 2-96(No.YA693<Rev.001>)
  • Page 76 MPEG PWB PATTERN [PARTS SIDE] (No.YA693<Rev.001>)2-97 2-98(No.YA693<Rev.001>)

  • Page 77: Ir Pwb Pattern

    IR PWB PATTERN [SOLDER SIDE] IR PWB PATTERN [PARTS SIDE] KEY PWB PATTERN [SOLDER SIDE] KEY PWB PATTERN [PARTS SIDE] (No.YA693<Rev.001>)2-99 2-100(No.YA693<Rev.001>)
  • Page 78 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA693<Rev.001>) Printed in Japan...

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