Toshiba 15VL56B Service Manual Download Page 1

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SERVICE MANUAL

LCD Color Television

15VL56B

20VL56B

20VL56G

FILE NO. 050-200533

Published in Japan, Sep. 2005 (YC)

TOSHIBA CORPORATION, 2005

Summary of Contents for 15VL56B

Page 1: ...SERVICE MANUAL LCD Color Television 15VL56B 20VL56B 20VL56G FILE NO 050 200533 Published in Japan Sep 2005 YC TOSHIBA CORPORATION 2005 ...

Page 2: ...USTMENT 9 2 3 DDC EDID DATA READ WRITE 10 3 VCTI FIRMWARE INSTALLATIONS UPGRADING 20 3 1 VCTI FIRMWARE INSTALLATIONS 21 3 2 SCALER FIRMWARE INSTALLATIONS 27 4 TROUBLESHOOTING 34 5 EXPLODED VIEW 39 6 CHASSIS AND CABINET REPLACEMENT PARTS LIST 40 7 PC BOARDS TOP BOTTOM VIEW 49 8 SCHEMATIC DIAGRAM 52 8 1 WIRING DIAGRAM 53 8 2 BLOCK DIAGRAM 20VL56B G 54 8 3 BLOCK DIAGRAM 15VL56B 55 9 SPECIFICATIONS 74...

Page 3: ...f injury or where there could be physical damage in the event of operational error Physical damage means major damage to a home furnishings and other possessions Examples of marks SHOCK HAZARD PROHIBIT DISASSEM BLING UNPULUG The indicates caution including danger and warning The actual meaning of this caution is indicated inside the or nearby illustrations or text The example shown to the left ind...

Page 4: ...ark is included in a circuit diagram or parts list Parts mounting and routing of the wiring should be the same as that used originally For safety purposes insulating materials such as tubing or tape is sometimes used and printed circuit boards are sometimes mounted floating Also make sure that wiring is routed and clamped to avoid parts that generate heat and which use high voltage Always follow t...

Page 5: ...le with the corresponding holes in the LCD cover and fasten with screws Do not strongly push on the mod ule because any impact can adversely affect the perform ance Also use caution when handling the polarized screen because it can easily be damaged CAUTION The metal edges of the LCD module are sharp handle it with care 3 If the panel surface becomes soiled wipe with cotton or a soft cloth If this...

Page 6: ...ecifications Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage 9 Do not disassemble the LCD module Such actions could result in improper operation 10 When transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas generated by these materials can cause loss of polarity ...

Page 7: ...3 49 Service Menu 1 Service Mode 1 1 Starting Service Mode Set LCD TV to the normal TV signal receive mode Note In this Service Mode section shows a button 1 1 1 Press MUTE on the remote control once 1 1 2 Press MUTE again and press on LCD TV Service mode displayed on TV screen VCTi version Items other than those enclosed by are default settings For EU Hotel mode setting is not a vailable Scaler v...

Page 8: ...s 0 Option 3 15VL56B Language 0 Txt Lang 7 Inch opt 2 PANEL 0 20VL56B G Option 1 20VL56B 20VL56G SAV 1 1 SCART 1 1 PC 1 1 Side Comp 0 0 16 9 0 0 200 PR 0 0 Text 1 1 ACMS 1 1 Option 2 20VL56B 20VL56G HiDev 0 0 Hotel 0 0 Top 1 1 I ll SAVE 0 0 Turbo Vol 0 0 Ch Aus 0 0 Option 3 20VL56B 20VL56G Language 0 0 Txt Lang 7 7 Inch opt 3 3 PANEL 0 0 OPTION DEFAULT DATA ...

Page 9: ...jack D Jack of LCD TV 3 Change the TV input mode to component mode 4 Select 480p Mode Y 100 Pb Pr 75 in Pattern Generator Select Pattern 33 Color Bar Pattern signal in Pattern Generator MSPG925F 5 Go into service mode and Auto Gain menu appears and then press VOL 6 Press OK to store the adjustment data 2 2 3 PC Mode Adjustment Preparation Carry out Heat Run for 30 minutes or more before adjustment...

Page 10: ...Port sys J Windows system32 Drivers WinEDID_2 0 exe Be very careful that DDC EDID data read write varies depending on Operating System conditions of PC See the flowchart below Start OS MS Windows 2000 XP OS MS Windows 98 Port Setup 2 3 1 Preparation EDID Reading Writing 2 3 2 EDID Read 2 3 3 EDID Write 2 3 4 Confirmation of Updated EDID Data 2 3 5 ...

Page 11: ... 11 2 3 1 Port Setup Windows 2000 XP only 1 Copy UserPort sys file to c windows system32 drivers ...

Page 12: ...ts up the installation program runs automatically Continue the installation by following instructions on the window Click Next to continue the installation Click Yes to continue the installation 4 Select Typical on the Setup Type window and click Next to continue Click Next to continue Select Typical and click Next to continue ...

Page 13: ...ct Yes I want to restart and click Finish to complete the installation 6 Double click UserPort exe to begin the installation Double click UserPort exe 7 Click the numbers in the red circle on the UserPort window and click Remove to remove all default numbers Click Remove to remove all default numbers ...

Page 14: ...d click Add After key in Value 300 3FF click Add to store 300 3FF 9 Confirm that 300 3FF is added on the UserPort window Then update the driver using the following procedure 1 Click Update 2 Click Start 3 Click Exit to finish the setup Added Value 300 3FF appears 2 1 3 ...

Page 15: ...ig See the figure below After connection is completed turn the power ON of the LCD TV ADAPTER Monitor Power select switch Power inlet V Sync On Off switch Switch must be ON ST switch Power LED LCD TV D SUB Cable PC Parallel Port Parallel Port Cable DDC Jig Power cord ON OFF ON OFF ...

Page 16: ...to read EDID data Double click WinEDID exe 2 The WinEDID window opens The program might read the current EDID data automatically Current EDID data might be displayed on the WinEDID window Ignore this error message appearing several times by clicking OK ...

Page 17: ...0 edi 20VL56B 20VL56G Click Open 2 When the file is found click the file to open Select EDIC file edi that matches TV size and click Open 3 The content of selected EDID file is displayed on the WinEDID window Click Update Note Do not change any data appeared in User Info Content of selected EDID file Click Update Do not change ...

Page 18: ...pdate EDID data Click Write 5 When checksum error message appears ignore this error and click Y Upon writing process completed Write Data Finished message will appear Click Y Upon writing process completed Write Data Finished message will appear ...

Page 19: ...9 2 3 5 Confirmation of Updated EDID Data Click Read to confirm that the EDID data are written as copied from original data Click Read Upon reading process completed Read Data Finished message will appear ...

Page 20: ...Ti49xxY firmware No program is included in the IC200 spare parts This firmware program must also be installed when a new firmware upgrade file is supplied to improve the performance Note In this VCTi Firmware Installation Upgrading section show a clicking point on installation menu VCTi firmware version Firmware version indication SCALER firmware version Scaler Firmware indication ...

Page 21: ... vct49xyi zip Setup_Visual_I2C_v3xxx exe SetupLptDrv9x010400 exe Setup_LptDrv_v0202_XP_2000 exe Note These software programs are supplied as required 2 Double click Setup_Visual_I2C_v3xxx exe Continue the installation by following instructions on the window Click Finish at the last to complete the installation Click Yes Click Next on the Visual I2C Program installation window ...

Page 22: ...he following window opens Click I Agree on the installation window to complete the driver installation Click I Agree to complete the driver installation 4 Unzip vct49xyi zip file After unzipping vct49xyi zip folder will be created Unzip vct49xyi zip file to create vct49xyi zip folder Installation of software programs necessary for VCTi Firmware Installation Upgrading in PC has been completed ...

Page 23: ...standby mode The LED lights up red 7 Press the Jig switch again Connect USB cable connector small Connect directly to D sub 25 pin connector on PC Connect one D sub 9 pin cable connector Connect USB cable connector small to USB connector on Jig board Connect USB cable connector large to USB connector on PC Connect one D sub 9 pin cable connector to PC connector on TV Connect the other D sub 9 pin ...

Page 24: ...2 An error message appears Ignore this message Click OK to continue installation Click OK 3 The following window appears Double click the file name next to Load Bin Flash Double click this file name 4 The following window appears Click the button at the right end of Name to open the file select window Click button ...

Page 25: ... file is displayed in Name on the Watch Item window Necessary firmware has been appeared Click OK Click OK 7 Set printer LPT on the vcth_txt_vi2c window Select File Preferences LPT Preferences to open the LPT Setting window Set LPT1 for LPT Port and 8 for Delay and click OK Set LPT1 Set 8 Click OK ...

Page 26: ...plug the AC power cord of TV and repeat steps from 3 1 2 Preparation 9 Click Erase Flash to erase flash memory data 10 Click Load Bin Flash to start installation of the firmware Note Progress window appears and wait till 100 completed 8 9 10 11 Press the Jig switch down 12 Disconnect the cable from PC connector on TV 13 Unplug the AC power cord and plug it again and turn ON the power of TV 3 1 3 C...

Page 27: ...h TV Note These software programs are supplied as required 2 Double click CGProbe Redistributable 5 1 0 5 exe to start installation of Genesis CGprobe Library 5 Continue the installation following instructions on the window 3 Click Finish last to complete the installation Upon completion of installation the DLPortIO folder is created in C Program Files to store necessary files Click Next Select I ...

Page 28: ...ick Next 5 Click Next to continue the installation Click Next Click Next 6 Select the create a desktop icon checkbox on the installation window and click Next to continue the installation Click Finish last to complete the installation ISP Utility icon will be created on the desk top Click Next Click Finish to complete the installation Installation of necessary software programs for SCALER Firmware...

Page 29: ...nect D sub 9 pin connector on Jig to D sub 9 pin connector on PC 5 Plug the AC power cord to go into standby mode The LED lights up red Connect USB connector on Jig to USB connector on PC Connect to D sub 9 pin connector on PC Connect PC connector on Jig to PC connector on TV with D sub cable Connect PC connector on Jig to PC connector on TV with D sub cable Connect USB connector on Jig to USB con...

Page 30: ...P Utility window Click T to select Serial 3 Set Chip in ISP Settings to GM5221BC on the Genesis ISP Utility window Click T to select GM5221BC 4 Set Flash in ISP Settings to SST39F010 on the Genesis ISP Utility window Check all settings and click Settings Click T to select SST39F010 Check all settings and click Settings The Connection Settings window appears ...

Page 31: ...a file 7 Check that the necessary hex data file name is displayed in Flash Image on the Genesis ISP Utility window Setup of the SCALER firmware upgrading is completed Check that the hex data file has been loaded Item Setting Port COM1 Baud Rate 115200 Datat Bits 8 Parity None Stop Bits 1 Read Interva 0 Read Multiplier 0 Read Constant 0 Write Multiplier 0 Write Constant 0 Scheme Default Serial Prof...

Page 32: ...e Menu 3 2 3 SCALER Firmware Upgrading 1 Set TV to service mode Starting Service Mode 1 Press MUTE on the remote control once 2 Keep pressing MUTE again Volume indication appears on the TV screen Press on TV when the Volume indication disappears 2 The Service Mode window appears on the TV screen Check the SCALER firmware version before upgrade SCALER firmware version before upgrade 3 Move the curs...

Page 33: ...stalling new SCALER firmware Click Start to install new SCALER firmware 6 Check that the new SCALER firmware has been installed 7 Unplug the AC power cord from TV Wait for about 5 seconds and connect the AC power cord again 3 2 4 Checking after Upgrading of SCALER Firmware Set TV to service mode The TV goes into service mode Check that the SCALER firmware version is upgraded Upgraded SCALER firmwa...

Page 34: ...IC200 Of Main B D Change IC1004 IC1005 or check short circuits of Main B D Check 15V or ST_ 5V of Power B D Fail Check Output of IC1004 IC1005 Main B D Check LED Assy Check IC 1004 IC1005 PIN 7 LEVEL High 3 3V Fail Fail Pass Pass Pass Process A Change LED Assy Fail Ref 1 1 1 15V P1100 1 2 Ref 1 ST_5V P1100 6 7 Ref 1 1 ...

Page 35: ...efect part Repeat Process A Fail Fail Check the Input source Check the Input Output of IC200 Check the Input Output of IC500 Pass Pass Pass Pass Pass Check short circuits of Main B D or Change IC500 Check short circuits of Main B D or Change IC200 Fail Fail No Raster on TV RF Signal Check the Output of TU100 Tuner Ref 2 ITU656 Clock Out IC200 VCTI 83 Ref 2 ...

Page 36: ...eck the Input Output of IC701 Check the Input Output IC500 gm2221 of Main Check R715 Level LOW 0V Fail Fail Fail Pass Pass Pass Pass Re soldering or Change IC500 Ref 3 3 1 Ref 4 4 1 V Sync Input IC500 Scaler IC 182 Ref 4 1 H Sync Input IC500 Scaler IC 181 Ref 4 V Sync Input IC701 Swiching IC 13 Ref 3 1 H Sync Input IC701 Swiching IC 23 Ref 3 ...

Page 37: ... Check short circuits of Main B D circuitsor change the defect part Check short circuits of Main B D or Change IC500 Repeat Process A Fail Check the Input source Check R212 1 Video2 HIGH 2 s video LOW Fail Fail Fail Pass Pass Pass Pass Pass Pass Check the Input Output of IC200 Check the Input Output of IC500 Ref 5 ITU656 Clock Out IC200 VCTI 83 Ref 5 ...

Page 38: ... or Change IC200 Re soldering or Change IC600 Change speaker Check the Input source Check the R750 Level Video1 High PC Low Fail Check the Input Output of IC200 of Main Check Input Ouput 12V Of IC 702 Check the input output of IC600 of Main Pass Pass Pass Pass Pass Pass Fail Fail Fail Fail Fail Check the speaker Ref 6 Sound Input IC600 Audio AMP 3 5 Ref 6 ...

Page 39: ... 39 5 EXPLODED VIEWS 15VL56B 20VL56B G 010 020 170 070 080 090 100 110 030 050 130 160 040 150 140 Y151 ...

Page 40: ...L 2012 C10 72795161 0CH6331K416 CERAMIC CHIP 330PF 50V J NP0 2012 C11 72795194 0CE226WJ6DC ELECTROLYTIC 22UF MVK 35V 20 R T C12 72795194 0CE226WJ6DC ELECTROLYTIC 22UF MVK 35V 20 R T C20 72795177 0CK104CK56A CERAMIC 0 1UF 1608 50V 10 R C24 72795155 0CH6102K406 CERAMIC CHIP 1000PF 50V J SL 2012 C53 72795163 0CC101CK41A CERAMIC 100PF 1608 50V 5 R C66 72795163 0CC101CK41A CERAMIC 100PF 1608 50V 5 R C6...

Page 41: ...72795175 0CK102CK56A CERAMIC 1000PF 1608 50V 0 1 C253 72795177 0CK104CK56A CERAMIC 0 1UF 1608 50V 10 R C254 72795172 0CH3104K566 CERAMIC 0 1UF 50V 10 X7R 20 C255 72795177 0CK104CK56A CERAMIC 0 1UF 1608 50V 10 R C256 72795175 0CK102CK56A CERAMIC 1000PF 1608 50V 0 1 C257 72795180 0CK106EF56A CERAMIC 10UF 3216 16V 10 X7 C258 72795175 0CK102CK56A CERAMIC 1000PF 1608 50V 0 1 C259 72795172 0CH3104K566 C...

Page 42: ...7R 20 C930 72795177 0CK104CK56A CERAMIC 0 1UF 1608 50V 10 R C931 72795183 0CK225DH94A CERAMIC 2 2UF 2012 25V 80 C934 72795192 0CE107WH6DC ELECTROLYTIC 100UF MVK 25V 20 R C1001 72795183 0CK225DH94A CERAMIC 2 2UF 2012 25V 80 C1002 72795191 0CE107WF6DC ELECTROLYTIC 100UF MVK 16V 20 R C1003 72795183 0CK225DH94A CERAMIC 2 2UF 2012 25V 80 C1004 72795192 0CE107WH6DC ELECTROLYTIC 100UF MVK 25V 20 R C1006 ...

Page 43: ...AZE 56K OHM 1 10 W 201 R11 72795375 0RJ0222D677 METAL GLAZE 22 OHM 1 10 W 5 160 R12 72795378 0RJ0752D677 METAL GLAZE 75 OHM 1 10 W 5 160 R13 72795395 0RJ4703D677 METAL GLAZE 470K OHM 1 10 W 5 1 R14 72795347 0RH4703D622 METAL GLAZE 470K OHM 1 10 W 20 R15 72795371 0RH2402D622 METAL GLAZE 24K OHM 1 10 W 201 R20 72795362 0RH1000D622 METAL GLAZE 100 OHM 1 10 W 201 R21 72795361 0RH0752D622 METAL GLAZE 7...

Page 44: ... 0RJ1000D677 METAL GLAZE 100 OHM 1 10 W 5 16 R227 72795362 0RH1000D622 METAL GLAZE 100 OHM 1 10 W 201 R229 72795380 0RJ1000D677 METAL GLAZE 100 OHM 1 10 W 5 16 R230 72795362 0RH1000D622 METAL GLAZE 100 OHM 1 10 W 201 R233 72795364 0RH1002D622 METAL GLAZE 10K OHM 1 10 W 201 R234 72795344 0RH4700D622 METAL GLAZE 470 OHM 1 10 W 201 R235 72795364 0RH1002D622 METAL GLAZE 10K OHM 1 10 W 201 R236 7279533...

Page 45: ...GLAZE 120K OHM 1 10 W 5 1 R907 72795359 0RH0000D622 METAL GLAZE 0 OHM 1 10 W 2012 R908 72795469 0RJ1203D677 METAL GLAZE 120K OHM 1 10 W 5 1 R912 72795394 0RJ4701D677 METAL GLAZE 4 7K OHM 1 10 W 5 1 R913 72795345 0RH4701D622 METAL GLAZE 4 7K OHM 1 10 W 20 R916 72795373 0RJ0000D677 METAL GLAZE 0 OHM 1 10 W 5 1608 R919 1 72795346 0RH4702D622 METAL GLAZE 47K OHM 1 10 W 201 2 3 72795365 0RH1003D622 MET...

Page 46: ...01CERATE L62 72795246 6210TCE001A FERRITECORE BEAD HB 1S2012 080JTCERA L100 72795215 6210TCE001G FILTER EMI HH 1M3216 501CERATE L101 72795272 0LA1000K139 INDUCTOR AXIAL LEAD 100UH 10 A 4 0 X 10 5 TA52 L102 72795274 0LC1020101A INDUCTOR CHIP 1UH 10 2012 R TC FI L103 72795279 0LCTO00018A INDUCTOR CHIP 888FU 101MTOKOR TP L104 72795246 6210TCE001A FERRITECORE BEAD HB 1S2012 080JTCERA L200 72795275 0LC...

Page 47: ...6 6410TEW015A POWER CORD M4206 SZC7S VOLEX VD Z100 72795248 6200QL3002F SAW FILTER X6966M EPCOS ST SIP5 PC BOARD ASSEMBLIES 070 1 72782421 6871TSTB53C PWBASSEMBLYEARPHONE 2 3 72782429 6871TSTB53D PWBASSEMBLYEARPHONE 080 1 72795313 6871TPT281G PC BOARD ASSY POWER 15DL75 TSB POWER TO 2 3 72795312 6871TPT280Q PC BOARD ASSY POWER 20LS30 TOSHIBA POWE 090 1 72782422 3313TP1059A MAINTOTALASSEMBLY 2 3 727...

Page 48: ... 48 7 PC BOARDS TOP BOTTOM VIEW MAIN BOARD BOTTOM FOIL SIDE The information contained in this section subjects to model ...

Page 49: ... 49 MAIN BOARD TOP COMPONENT SIDE ...

Page 50: ...OL BOARD TOP COMPONENT SIDE CONTROL BOARD BOTTOM FOIL SIDE SIDE BOARD 20VL56B G TOP COMPONENT SIDE SIDE BOARD 20VL56B G BOTTOM FOIL SIDE SIDE BOARD 15VL56B TOP COMPONENT SIDE SIDE BOARD 15VL56B BOTTOM FOIL SIDE ...

Page 51: ...D BOTTOM FOIL SIDE IR BOARD TOP COMPONENT SIDE IR BOARD BOTTOM FOIL SIDE HEADPHONE BOARD 20VL56B G TOP COMPONENT SIDE HEADPHONE BOARD 20VL56B G BOTTOM FOIL SIDE HEADPHONE BOARD 15VL56B BOTTOM FOIL SIDE HEADPHONE BOARD 15VL56B TOP COMPONENT SIDE ...

Page 52: ...d 20VL56B G 491 mm W 469 mm H 228 mm D Mass Weight 15VL56B 5 6 kg 20VL56B G 9 1 kg Television system Channel coverage Aerial input PAL B G CCIR VHF 2 12 UHF 21 69 CATV X Z 2 S1 S41 PAL I UK VHF UHF 21 69 CATV PAL D K CHINA VHF 1 12 UHF 13 57 CATV Z1 Z38 SECAM B G CCIR VHF 2 12 UHF 21 69 CATV X Z 2 S1 S41 SECAM D K OIRT VHF 1 12 UHF 21 69 CATV X1 X19 SECAM L FRANCE VHF 2 10 UHF 21 69 CATV B Q NTSC ...

Page 53: ...rs 40 70 mm 2pcs Input Output terminals VIDEO 1 Input Output 21 pin Scart RGB A V VIDEO 2 Input Output 21 pin Scart A V VIDEO 3 Input 4 pin S video Phono jacks A V PC Input Analogue RGB Mini D sub 15 pin Audio 3 5 mm stereo mini Headphone jack 3 5 mm stereo mini Operating condition Temperature 0 C 35 C Humidity 20 80 No moisture condensation Supplied accessories Owner s manual 1 Power cord 1 Remot...

Page 54: ......

Page 55: ...SERVICE MANUAL LCD Color Television 15VL56B 20VL56B 20VL56G FILE NO 050 200533 Published in Japan Sep 2005 YC TOSHIBA CORPORATION 2005 ...

Page 56: ...E 20VL56B G 16 17 SIDE 15VL56B 17 17 SCHEMATIC DIAGRAM STRUCTURE NOTE 1 RESISTOR Resistance is shown in ohm K 1 000 M 1 000 000 All resistors are 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted...

Page 57: ... 53 8 1 WIRING DIAGRAM 1 2 3 6 7 8 9 9 4 5 8 15 20 CONTROL BOARD MAIN BOARD AC POWER BOARD INVERTER BOARD ...

Page 58: ... 54 8 2 BLOCK DIAGRAM 20VL56B G ...

Page 59: ... 55 8 3 BLOCK DIAGRAM 15VL56B ...

Page 60: ...y 20VL56B G VCTi is the main microprocessor that handles video signal processing and sound signal processing It also manages the RF signals received from the tuner The scaler can control timing to fit into the LCD panel and can also control the size and position of the input signal 2 Power Supply Unit The power supply unit provides 15V and 5V DC power to the mainboard The PWM Step Up DC DC Convert...

Page 61: ... 57 15VL56B 20VL56B G TUNER 1 17 The information contained in this section subjects to model ...

Page 62: ... 58 15VL56B 20VL56B G VCTI 2 17 ...

Page 63: ... 59 15VL56B 20VL56B G INPUT 3 17 ...

Page 64: ... 60 15VL56B 20VL56B G 3D COMB 4 17 ...

Page 65: ... 61 15VL56B 20VL56B G S W ROM 5 17 ...

Page 66: ... 62 15VL56B 20VL56B G AMP 6 17 ...

Page 67: ... 63 15VL56B 20VL56B G SCALER 7 17 ...

Page 68: ... 64 15VL56B 20VL56B G INTERFACE 8 17 ...

Page 69: ... 65 15VL56B 20VL56B G POWER 9 17 ...

Page 70: ... 66 15VL56B 20VL56B G COMPONENT JACK 10 17 ...

Page 71: ... 67 15VL56B 20VL56B G D JACK 11 17 ...

Page 72: ... 68 15VL56B 20VL56B G SCART JACK 12 17 ...

Page 73: ... 69 15VL56B 20VL56B G KEY 13 17 ...

Page 74: ... 70 15VL56B 20VL56B G HEADPHONE 14 17 ...

Page 75: ... 71 15VL56B 20VL56B G LED IR 15 17 ...

Page 76: ... 72 20VL56B G SIDE 16 17 ...

Page 77: ... 73 15VL56B SIDE 17 17 ...

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