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TCL LCD2326LV Service Manual
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TCL LCD2326LV Service Manual

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SERVICE MANUAL
1. Caution..........................................................2
2. Specification....................................................6
3. BOM List......................................................10
4. Alignment Procedure........................................18
5. Block Diagram.................................................24
6. Schematic Diagram..........................................25
7. Explode View Diagram......................................39
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product.
LCD2326LV

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Summary of Contents for TCL LCD2326LV

  • Page 1: Table Of Contents

    SERVICE MANUAL LCD2326LV 1. Caution………………………………………………….2 2. Specification…………………………………………….6 3. BOM List………………………………………………10 4. Alignment Procedure………………………………….18 5. Block Diagram………………………………………..24 6. Schematic Diagram……………………………………25 7. Explode View Diagram………………………………..39 This manual is the latest at the time of printing, and does not include the modification which may be made after the printing, by...

  • Page 2: Caution

    SCHNEIDER ELECTRONICS GMBH-GERMANY 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DUCE TH E RIS K OF CA U T ION ELECTR ICA L SHOCK, DO NOT RE MOVE COVER (OR BACK).
  • Page 3 SCHNEIDER ELECTRONICS GMBH-GERMANY IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 SCHNEIDER ELECTRONICS GMBH-GERMANY PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 SCHNEIDER ELECTRONICS GMBH-GERMANY OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.

  • Page 6: Specification

    2.Product Specification Spec. and Features LCD2326LV MasterData Customer Id Version Status Locked 12NC Brand Panel (1st design in TFT Panel) supplier(1st design in, optional) 0.3915mm X 0.3915mm +Pixel Pitch +Pixel Format vertical stripe RGB pixels +Panel Format 15:9 +resolution 1280*768...
  • Page 7 Spec. and Features LCD2326LV +input resolution: up to WXGA@60 +VGA input +DVI input auto w/"out of range" indication +PC Synch +PC Control Sound 5Wx2 +speaker max. Power 2x2W(max.) +RMS Power output( Internal) +RMS Power (External) +Music Power output( Internal) 2x4W...
  • Page 8 Spec. and Features LCD2326LV +Out Cinch Audio Stereo +Out Cinch Audio Mono +Out Cinch Dolby Surround 1 (DC in Jack) +Power in Cinch +Dig Audio Out +Loudspeakers internal D-Sub 15 for S/W upgrading +Control Busses +Feature Slot +ITV Smart Port +Terr.
  • Page 9 Spec. and Features LCD2326LV Miscellaneous +EAN Indication +Approbation for assembly by order +Tests for assembly by order +Local Integration Various Perf. Param. +Service Call-Rate PIP/POP +Type +Features Built-in Digital TV Reception +ATSC Tuner +DVB-S/C/T Tuner +Transmission Built-in Data System +Text Standard...

  • Page 10: Bom List

    3.Bom List LOCATION ITEM SPEC. QTY. H3-2326AV-MX21 08-1726LA-DBY ASS'Y - DEBUG BD 33-KLN121-NTX CHIP BEAD 120 OHM +/-25% FB701 FB702 FB703 FB704 FB705 FB706 FB707 FB708 FB709 40-1726LA-DBA2X P.C.B. BD 46-35199W-10X CONN. PH-10 10PIN PITCH=2.0mm CN702 46-39409H-10X HS 10P 2468#26 120MM PH-10Y*2 47-VGA002-XX0 VGA JACKET D-SUB-15WP CN701...
  • Page 11 LOCATION ITEM SPEC. QTY. 55-707550-3HA1A FRONT CABINET 56-707460-0HC1A LENS 56-707590-0HA1A PUSH BOTTON 56-707600-0HA1B POWER KNOB 57-10654X-00F TWIST TIE NY66 58-708810-0UI1A INLAY FOR PUSH BUTTON 58-708840-1UI INSULATED SHEET 63-B30080-BT4 S/T SCREW B 3 X 8 BT FOR SPEAKERS 63-B30080-BT4 S/T SCREW B 3 X 8 BT FOR IR RECEIVER BD 63-B30080-BT4 S/T SCREW B 3 X 8 BT...
  • Page 12 LOCATION ITEM SPEC. QTY. 09-RLZ12B-DTX SMD. DIODE RLZ12B 10-1N5820-F0X DIODE 1N5820 11-0BC327-CBX TRANSISTOR BC327-40 12-BC847C-0BX SMD.TRANSISTOR BC847C 12-BT3904-0BX SMD. TRANSISTOR MMBT3904LT1(NPN) 12-BT3906-0BX SMD. TRANSISTOR MMBT3906LT1(PNP) 13-0024LC-21B IC 24LC21-SOIC8 13-0LM259-6SB IC LM2596(TO-263) 13-1117MP-18B IC LM1117MPX-1.8 13-63LVDM-83B IC THC63LVDM83R 13-74HC12-3DB IC 74HC123D 13-EF4052-BTB IC HEF4052BT(D) 13-EL1883-ISB...
  • Page 13 LOCATION ITEM SPEC. QTY. 19-AB0202-JTX SMD. RES 2K OHM 1/10W +/-5% 0603 R238 19-AB0221-JTX RES SMD 220 OHM 1/10W 0603 R141 R192 19-AB0222-JTX RES SMD 2.2K OHM 1/10W 0603 R202 R206 R209 19-AB0223-JTX SMD. RES 22K OHM 1/10W +/-5% 0603 R212 19-AB0229-JTX SMD.
  • Page 14 LOCATION ITEM SPEC. QTY. C243 C245 C247 C250 C253 C257 C259 C267 C279 C283 C284 C285 C288 C290 C291 C294 C299 C300 C301 C304 C306 C307 C308 C309 C310 C311 C313 C314 C315 C316 C317 C323 C327 C331 C333 C336 C337 C339 C342...
  • Page 15 FB33 FB38 FB39 FB41 FB43 FB44 FB46 FB47 FB48 FB49 FB52 FB53 36-LIF027-XX0 LINE FILTER LC-33A-TCL 40-2026LA-MAC4X P.C.B. MAIN BD 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 43-SFSS11-2DM RELAY SF-SS-112DM RELA1 45-OSC14M-3Y2 CRYSTAL 14.31818MHZ 45-OSC24M-5N0 CRYSTAL 24.576 MHZ 45-SAW937-0M0 SAW FILTER M9370M...
  • Page 16 LOCATION ITEM SPEC. QTY. 72-2326SV-E001A OPERATION MANUAL 74-026035-6WE1A POLYBAG 74-090070-5WD1A POLYBAG (90CMX60CMX0.5MM) 75-707740-CC2 POLYFOAM 75-707750-CC2 POLYFOAM 75-707950-CC2 POLYFOAM 75-707960-CC2 POLYFOAM 76-2326AT-0AT CARTON BOX 76-708830-0BT CARTON BOX 89-343400-000 PELLICLE (450mX450mmX0.018mm) 0.7000 08-2326LV-PWY 09-LL4148-ATX SMD. SWITCHING DIODE LL4148 09-RLZ12B-DTX SMD. DIODE RLZ12B 12-BT3904-0BX SMD.
  • Page 17 LOCATION ITEM SPEC. QTY. 62-719410-0HA1A THE END AV BRACKET 63-B30120-AB3 S/T SCREW B 3.0 X 12 FOR FRONT & REAR CABINET 63-W30100-AB4 S/T SCREW W 3 X 10 AB FIX AXES SUPPORT TO REAR CABINET 63-W30100-AB4 S/T SCREW W 3 X 10 AB FIX WALL BRACKET TO REAR CABINET 64-B30060-103 M/C SCREW B 3 X 6...

  • Page 18: Alignment Procedure

    4. ALIGNMENT PROCEDURE Flowchart of alignment procedure 1. Checking the Downloading 3. Initializing the 4. Checking in all PCB BD. and software EEPROM input modes supply voltages the product line of ICs 6. Downloading 7. Setting in the 5. Adjustment of the DDC data White Balance Factory mode...
  • Page 19 “PK26” and “Character” items. If red “Failed” is displayed after one of them, it means failed, then please return to step 3 to repeat again. Click “Write Flash” and then click “Browse” to display a dialog box. Select the target file and open it.
  • Page 20 4. Checking in all input modes: In TV mode: In AV/S-VIDEO/YCbCr mode: In YPbPr mode Applying the following signal modes and check whether the picture is normal: 480P－60Hz 576P－50Hz 720P－60Hz 1080i－60Hz In VGA mode: Apply the following signal modes and check whether the picture is normal: 640 x 480, 60Hz 720 x 400, 60Hz 800 x 600, 60Hz...
  • Page 21 Then set the parameters as below: Serial Port Setting Color temperature COM Port: COM1 √ Band Rate: 19200 5000K √ Parity: None 6500K √ Data bits: 9300K Stop bits: Click “Color temperature ignition” key in the dialog box to initialize the color temperature. Set Chroma2225 to Timing: 1027x768, 60Hz and Pattern: Gray Scales.
  • Page 22 Select “Edid Table” item, and click “Read” button. Then a dialog box is pop-up. Select TTE1726_ANALOG file and open it. Click “Write edid” to load the data. After the bar is full, the loading is successfully completed. If the hint “Check is error! Try again!” is pop-up, the loading is failed and check the connector, then repeat the steps again.
  • Page 23 LCD-BRT Brightness LCD-CON Contrast R Gain G Gain B Gain In PW1308 Factory Mode: Register Default Description UOC hpos Horizontal Phase UOC Calibration Auto adjustment of White Balance Panel LG23WXGA01 Specification of panel...

  • Page 24: Block Diagram

    H6W LCDTV Production Reference Design Block Diagram Rev: Nov27 VGA_YUV_SW VGA_TV_SW scart YUV H/V in Sync Switch AVSYNC,AHSYNC (Sheet 06) WXGA LCD TVs R,G,B Video Switch RAIN,GAIN,BAIN PC_HS,PC_VS (Sheet 04) scart YUV in VGA_YUV_SW PW1306 OR 24Bit LVDS VGA_TV_SW PW1308(WITH TMDS Single/Dual Pixel TTL DVI) PQFP208...

  • Page 25: Schematic Diagram

    100/0603 CN701 FB701 100/0603 CN702 FB702 100/0603 FB703 100/0603 FB704 100/0603 FB705 100/0603 V3.3D FB706 FCEn 100/0603 ICEn FB707 RESETN 100/0603 FB708 100/0603 HDR1X10 2mm Header FB709 DB15HD Title <Title> Size Document Number <Doc> <RevCode> Date: Wednesday, October 13, 2004 Sheet...
  • Page 26 R4,R5,R12,R13 Should be together R6,R7 for Option V3_3D V3_3A VADC3 Option 10/0805 3.3K 3.3K 3.3K 3.3K 3.3K 3.3K 3.3K VADC3 47nF RAIN VADC3 0.1uF 10V100uF 0.1uF VADC3 47nF GAIN GREEN VADC3 DCLKN DCLKNEG VADC3 1000pF DCLK DCLK VADC3 VADC3 RN1 47 47nF BAIN SDA_P...
  • Page 27 V1_8V1 10/0805 0.1uF VCC5A 0.22uF 0.1uF YUV_R R3/Pr 0.1uF YOUT 10/0805 YUV_Y YOUT G3/Y YOUT 0.1uF YUV_B B3/Pb UOUT/INSSW2 UOUT VDD5A_1 0.22uF 0.1uF VOUT/SWO1 VOUT VDD5A_1 VDDC 10/0805 FB10 FBLIN CVBSO1 VDDC C191 33pF CVBSO/PIP VDDC 0.1uF 10/0805 V/R2/Pr 0.1uF C202 33pF 0.1uF...
  • Page 28 V3_3D V3_3D FB82 C166 C165 10/0805 C164 C167 10V10uF 0.1uF 0.1uF 0.1uF /ROMOE C136 /ROMOE /ROMWE 0.1uF VCC5 /ROMWE SCL_U FVPP SDA_U C137 D[15:0] 0.1uF VCC5 D[15:0] FWPn 4.7K 4.7K BYTE 24LC32 SOIC 8 NVRAM 1,2,5,6 SDA_UOC V3_3D 1,2,5,6 SCL_UOC V3_3D V3.3D FCEn...
  • Page 29 TV_RAIN VCC5_SW ROUT C141 FB25 20pF 10/0805 C142 C143 C144 0.1uF 10V10uF 0.1uF TV_GAIN GOUT VCC5 C145 BAV70 VGA_V 20pF PC_VS TV_BAIN BOUT R81 Option C146 RAIN 20pF GAIN 3.3K 3.3K VCC5 VCC5_SW BAIN FB26 VCLK BAV99L BAV99L 10/0805 GSCL C147 C148 C149...
  • Page 30 R145 0_NS R146 VCC5 0_NS BAV70 CN12 SHELL1 R147 DATA2m R148 DATA2- RX2m DATA2p DATA2+ R149 DATA2/4_SHLD R150 R9U2 RX2p DATA4- VCLK DATA4+ DDC_CLK C212 DDC_CLK 0.1uF DDC_DAT DDC_DATA VCC5 A_VSYNC DATA1m R151 DATA1- RX1m DATA1p DATA1+ R152 24LC21A DATA1/3_SHLD R153 RX1p DATA3-...
  • Page 31 CN13 C229 1000pF HDR1X11 RT2mm R180 1,2,3,6 SCL_UOC R181 1,2,3,6 SDA_UOC VCC5A FB55 VCC5A YOUT FB56 10/0805 R182 C230 R183 UOUT YIN 2 10/0805 R184 R185 C231 C232 C233 C234 47nF R186 R187 VOUT UIN 2 UOUT 0.1uF 10V10uF 10V47uF 0.1uF 4.7K R188...
  • Page 32 V3_3D FB60 10/0805 V3_3D C270 C271 FB61 10V10uF 0.01uF 10/0805 V3_3D C272 C273 0.01uF 10V10uF FB85 10/0805 C274 C275 C276 C277 CN15 10V10uF 0.01uF 0.01uF 0.01uF DBE0 DBE1 DBE2 C278 100pF DBE3 DBE4 DCLK CLKIN DBE5 DRE[7..0] DBE6 DRE0 TXIN0 DRE1 DBE7 TXIN1...
  • Page 33 POWERJACK CN19 VCC5_SW LM2596S-5.0 LM1117-3.3V V3_3A TO 263 VCC5 FB64 SOT-223 U29A 3uH 3A 1206 10/0805 C285 C286 C287 C288 C289 C290 C291 CN25 C292 C293 C294 33uH 3A C295 C296 C297 C298 C299 0.1uF 10V100uF 10V10uF 0.1uF 10V100uF 0.1uF 0.1uF 5A FUSE 25V100uF...
  • Page 34 U401 CN401 L402 10uH C404 C405 +32V 0.1uF 47uF/16V IFGND R401 HDR1X11 RT2mm C406 R408 10nF R412 R403 R404 L408 102K/0603 102K/0603 47uH L403 L404 L405 L406 C412 BAV99L 47uH C401 C402 47uH C403 R402 0.1uF 0.1uF 0.1uF 16V10uF Q401 C413 C419 C414...
  • Page 35 CN502 VCC5 REMOTE CN501 C506 4PIN2.0MM 0.01uF C511 C512 C510 C509 0.01uF 0.01uF C508 0.01uF C507 0.01uF HDR1X11 SMT RT2mm 0.01uF 0.01uF S502 S506 S501 S503 S504 S505 PUSHBUTTON PUSHBUTTON PUSHBUTTON PUSHBUTTON PUSHBUTTON PUSHBUTTON MENU AV/TV CN503 J508 PHONEJACK STEREO R501 C504 CN507...
  • Page 36 U511 CN511 R511 VCC5 REMOTE R515 4.7K C512 C513 4PIN2.0MM R512 47uF/10V 0.1uF D511 R513 R514 Q511 A1815 4.7K Title H6L LCD-TV Size Document Number IR BOARD Date: Wednesday, October 13, 2004 Sheet...
  • Page 37 CN621 CN622 Yellow C625 R625 11_OHM@100MHz FB621 R621 R623 C621 C622 100K 10uF HDR1X5 RT2.54mm 100pF 100pF White C626 R626 11_OHM@100MHz FB622 R622 3RCA_AV_OUT R624 C623 C624 100K 10uF 100pF 100pF Title H6L LCD-TV Size Document Number AV OUTPUT FOR 23 Date: Wednesday, October 13, 2004 Sheet...
  • Page 38 U631 LM2679S-12 CN631 C636 0.01uF L631 33uH/5A ILIM C632 C633 C634 C635 R631 C637 C638 C639 C640 C641 50V100uF 50V100uF 0.47uF 0.1uF 4.7K D631 16V330uF 16V330uF 16V330uF 16V330uF 0.1uF MBR745 HDR1X4 RT3.96mm package TO-220AC Title H6L LCD-TV Size Document Number POWER BOARD FOR 23 Date: Wednesday, October 13, 2004...