Akai LTC-26R5W1HCM Service Manual Download Page 2

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CONTENTS

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SPECIFICATIONS

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ACCESSORIAL

CIRCUITR

DRAWING

and

CONFIGURATION

DRAWING

SOFTWARE

DATA

RESTORATION

AND

SOFTWARE

DATA

ADJUSTMENT

POWER

SUPPLY

BOARD

FAULT

JUDGMENT

MANI

BOARD

FAULT

JUDGMENT

SYMPTOMS

and

CORRECTIONS

MAIN ELECTRIC PARTS LIST

SOFTWARE

UPGRADE

OPERATION

PARTS

Summary of Contents for LTC-26R5W1HCM

Page 1: ...LTC 26R5W1HCM SERVICE MANUAL Only For Professional Service Personnel Using...

Page 2: ...L CIRCUITR DRAWING and CONFIGURATION DRAWING SOFTWARE DATA S RESTORATION AND SOFTWARE DATA S ADJUSTMENT POWER SUPPLY BOARD FAULT JUDGMENT MANI BOARD FAULT JUDGMENT SYMPTOMS and CORRECTIONS MAIN ELECTR...

Page 3: ...C eject close 14 AC IN 100V 240V 12 11 15 AV 15 13 USB ITEM 1 5 6 2 4 FUNCTION DESCRIPTION Press to select the input source Press to bring up the main menu to the Press to increase or decrease the Swi...

Page 4: ...selection Sound mode selection Press this button to switch on the TV when in standby mode or to enter standby mode Press this button to enter a program number for multiple program channel such as 2 1...

Page 5: ...de Hold on or off for current page display Cancel for teletext Change display size in teletext Request the index page List for teletext Reveal or hide the hidden teletext information Sub page These ke...

Page 6: ...exit Press to select these modes such as DVD USB or CARD Program info display Press to select audio mode Repeat DVD disc eject close Press to zoom screen size DVD Disc menu VCD Disc menu 1 Press to e...

Page 7: ...e control Remote control unit no operation On Screen Display Control outside the screen Symptoms Possible Remedies Try different channel if OK probably station trouble Check aerial connections on back...

Page 8: ...at the sensor on the front panel Check batteries and replace them if necessary Check the disc for dirt and scratches Clean or replace disc Shut down the unit wait ten seconds and restart the unit Powe...

Page 9: ...an display by the remote controller or key Check U21 U24 modue and relative network Check U6 power supply resetting the crystal is OK Check 5Vi pin and 12VIpin output 5V and 12V Check STB pin is H lev...

Page 10: ...d it have a good connection Below the 32 LCD panel Connect correctly N Y If the jumper put the right place or is it have the jumper Check U28 component and relative network Put the Jumper in the right...

Page 11: ...3V The PIN1 and 9 of U32 have the input or U22 PIN4 and 12 of U22 have the input The pin 1 and 7of U13 have signal output Amp outputs have signal or not Reseting again Check the speaker park Maintena...

Page 12: ...aintenance E56 Q16 L9 and relative c o m p o n e n t Maintenance TN1 and the relative peripheral circuit Maintenance U14 Q17 Maintenance its power supply circuit In the PC mode have it th The 11 PIN o...

Page 13: ...and reset Input the right signal OSD configure isnot matched please input timing again Maintenance the circuit of VS HS Maintenance VS HS circuit By Peripheral equipment the signal is OK U2 power sup...

Page 14: ...eripheral equipment the sign al is OK YPBPR don t have the audio out U5 PIN8 13 14 of U5 have the output signal Maintenance R146 R148 and them is OK Maintenance or replace the Peripheral signal equipm...

Page 15: ...n SCART source have the audio out MaintenanceE1 E2 E3 R44 R47and therelativenetwoukhavethesignal PIN1 PIN12 of U10 have the signal Maintenance or replace the Peripheral signal equipment Maintenance or...

Page 16: ...ss is ajusted to black 2 DC output wire and con necter is no good 3 No PSON signal of turning on the TV Black Screen 1 Adjust brightness to mezzo state 2 Check DC output wire and connecter 3 Check vol...

Page 17: ...SYS type drive files 2 Update 2 1 Turn off the TV 2 2 Conect the Update Adaptor Board to VGA socket of TV and PC 2 3 Run software of ISP_Tool V4 xxx exe 2 4 Turn on the TV Wait Connecting communicatio...

Page 18: ...17 SOFTWARE UPGRADE 2 8 Press to confirm AUTO item on top of software menu 2 9 Change the selected option item as the same as this picture 2 10 Press Run item start updating...

Page 19: ...out all CARD 4 Insert USB with update file select reading USB 5 After it read update file it have prompt on TV Combo then you must operate according to prompt If it is automatically Updatting please...

Page 20: ...actory menu by RH 2 2 press to select into factory reset item by RH and press right button get back all inner data to default data adjust ment s data isn t reserved Press Menu button again to exit fac...

Page 21: ...20 2 3 2 PIC MODE DATA ADJ 2 3 3 SND MODE DATA ADJ 2 3 4 COL TEMP DATA AD 2 3 5 NON LINEAR DATA ADJ SOFTWARE DATA S RESTORATION AND SOFTWARE DATA S ADJUSTMENT...

Page 22: ...s right button it get back inner data into defa ult data and manual adjustment data isn t saved Note don t optionally adjust default data TV can t work if data is error SOFTWARE DATA S RESTORATION AND...

Page 23: ...D8 D14 D16 Loader DL 08 Pick up HOP 1200X USB CARD Reader Board USB CARD Reader Board CXTV0076 FOR MT1389L CARD CD58888 SA5888 MT1389DE LEAL HY57V641620FTP 6 F80 100HCP 4558 Crystal 27 000MHz LCD Mod...

Page 24: ...Hz Channel memory 200 Aerial Input 75 ohm coaxial HDMI input format 720P 1080I Audio Output 7W 7W Power Supply Power Consumption AC100 240V 50Hz 60Hz 130W 640X480 800X600 1024X768 60 75Hz 1280X768 136...

Page 25: ...CONFIGURATION DRAWING Please see annex such as Accessorial Circuit Diagram of TV Main boar for LTC 26R5W1HCM and LTC 26R5W4HCM ACCESSORIAL CIRCUITR DRAWING CONFIGURATION DRAWING Please see annex CONF...

Page 26: ...K 6 H W D I R 1 6 B 9 7 6 0 W X S Q L R H G L 9 D 0 D G L U H O W L 7 Y H 5 U H E P X 1 W Q H P X F R H L 6 W H H K 6 H W D I R 1 6 B 9 7 6 0 W X S Q L R H G L 9 D 0 D G L U W X S Q W U D F 6 W X S Q...

Page 27: ...5 5 5 5 5 5 5 5 5 S S 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 3 1 B 5 3 1 B 7 6 7 7 7 6 7 7 7 6 7 7 2 6 2 2 1 6 6 1 B 9 7 7 1 1 1 1 1 B 0 1 B 0 1 0 0 3 1 2 1 0 0 3 1 2 5 5 5 5 3 1 B 1 5 3 1 B 5 3 1 B 1 5 3 1 B...

Page 28: ...G H 3 8 8 3 U D W V 0 1 2 8 3 7 6 6 5 5 X X 5 0 5 0 4 4 1 0 0 3 1 2 1 0 0 3 1 2 5 5 B Q B Q B Q B Q 1 5 1 5 B Q B Q 4 4 B Q B Q 5 5 5 5 B Q B Q 1 5 1 5 X X Q Q 5 5 X X Q Q B Q B Q 5 5 B Q B Q B Q B Q...

Page 29: ...D G V U X K 7 H O W L 7 Y H 5 U H E P X 1 W Q H P X F R H L 6 W H H K 6 H W D I R 1 6 B 9 7 6 0 W X S Q L R H G X O X D G V U X K 7 Q Q 5 5 5 5 5 Q 5 Q 1 1 S S 5 5 X X 5 5 Q Q Q Q 5 5 Q Q 5 5 5 5 5 5...

Page 30: ...B 9 7 6 0 5 1 8 7 W V X J X D G V H Q G H H O W L 7 Y H 5 U H E P X 1 W Q H P X F R H L 6 W H H K 6 H W D I R 1 6 B 9 7 6 0 5 1 8 7 W V X J X D G V H Q G H H O W L 7 Y H 5 U H E P X 1 W Q H P X F R H...

Page 31: ...U H E P X 1 W Q H P X F R H L 6 W H H K 6 H W D I R 1 6 B 9 7 6 0 U H Z R 3 W V X J X D G V H Q G H 2 7 7 5 2 7 1 1 2 9 5 5 9 5 5 2 7 1 1 B Q B Q B 9 X B 9 X 2 0 2 0 B Q B Q B 9 X B 9 X 2 0 2 0 3 1 B...

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