Akai LM-H30CJSA Скачать руководство пользователя страница 18 | Manualshive

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Akai LM-H30CJSA Скачать руководство пользователя страница 18

8.

Main PCB Shield Removal :

8.1

Remove 2 screws from Main PCB Shield. (Indicated as “

K

” )

8.2

Remove 2 Hexagonal screws from the D-Sub Connector. (Indicated as “

K

’

”)

8.3

Take Main PCB Shield apart from Panel Bracket .

9.

Main Bracket Removal :

9.1

Remove 8 screws from the Main PCB . (Indicated “

L

“)

9.2

Take Main PCB apart from the Main Bracket .

-16-

K

’

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Содержание LM-H30CJSA

Страница 1: ...Service Manual AKAI 27 30 Wide Screen LCD Multi Media Display L LM M H H2 27 7C CJ JS SA A L LM M H H3 30 0C CJ JS SA A...

Страница 2: ...ck Diagram 18 8 Troubleshooting 19 8 1 Symptom Codes for Call center use 19 8 2 Flow Chart for Repair center use 22 9 Electronic Circuit Description 27 10 Circuit Diagram 32 10 1 Main Board 32 10 2 Ke...

Страница 3: ...etween pieces of equipment are properly made in accordance with the manufacturer s instructions Switch off and withdraw the mains plug when making or changing connections Do use only the Power Cord an...

Страница 4: ...be exposed to rain or moisture Above all Never let anyone push anything into holes slots or any other opening as this could result in a fatal electric shock Never guess or take chances with electrica...

Страница 5: ...ideo x 1 Video I O AV2 In Component YPbPr YCbCr x 1 DTV system 625p Signal I P Analog D Sub 15 pin detachable cable PnP compatibility DDC 2B I P Frequency Analog FH 31kHz to 60kHz Fv 56Hz to 75Hz Reco...

Страница 6: ...Video I O AV2 In Component YPbPr YCbCr x 1 DTV system 625p Signal I P Analog D Sub 15 pin detachable cable PnP compatibility DDC 2B I P Frequency Analog FH 31kHz to 60kHz Fv 56Hz to 75Hz Recommended...

Страница 7: ...Hz 640x480 37 5 75 0 31 5 5 SVGA 56Hz 800x600 35 16 56 25 36 0 6 SVGA 60Hz 800x600 37 876 60 317 40 0 7 SVGA 72Hz 800x600 48 077 72 118 50 0 8 SVGA 75Hz 800x600 46 875 75 0 49 5 9 XGA 60Hz 1024x768 48...

Страница 8: ...SCART VIDEO S VIDEO Y Component AC IN 3 Connection Applications Pb Cb Pr Cr 6...

Страница 9: ...e used to control the volume z VCR Recording The main display must set to TV mode in order to use SCART to record a program using a VCR z PIP sound When using the PIP feature in PC mode to hear the Su...

Страница 10: ...ENU display the main menu CHANNEL down up change channels VOLUME turn up or turn down the volume ASPECT RATIO set up the ratio of display Normal Panscan Zoom or Full 8 ASPECT RATIO VOLUME CHANNEL down...

Страница 11: ...ote Control The remote control pad works almost same as ordinary TV remote control that includes the basic function needed while viewing a live video DISPLAY Display the current source or program digi...

Страница 12: ...SD control bar Exit from the menu Changing Channels P P 0 9 DISPLAY RTN Press P or P to change Programs in TV mode or Teletext page in TELETEXT mode To select programs directly in TV mode Display the...

Страница 13: ...ent Press button Component S Video Video SCART RGB SCART Video TV To make the PIP window double large or small Press to move the PIP window to Top Left Top Right Bottom Right Bottom Left Repeat Other...

Страница 14: ...panel faceplate 2 Tuner Board Removal Note If only repair the Tuner Board need not disassemble the Base and Back Cover 2 1 Remove Tuner Cover by pressing point D and pushing point D toward the right...

Страница 15: ...A 3 2 Push upward and take the Base apart from the Neck Indicated as Arrow 4 Neck Removal 4 1 Remove 2 screws from Neck Cover Indicated as B 4 2 Push 2 hooks on the inside of the Neck Cover by screw...

Страница 16: ...screws from the Neck and then take Neck apart from the Back Cover Indicated as C 5 AV Cover I O Board Removal 5 1 Loosen 2 screws Indicated as E 5 2 Pull out the AV Cover I O Board directly Indicated...

Страница 17: ...2 Take Back Cover apart from the LCD TV 7 Right Left Side Covers Removal 7 1 Remove 4 screws from 2 Slides of I O Board Right Side Cover Indicated as H 7 2 Remove 3 screws from the Power Case Assembly...

Страница 18: ...eld Indicated as K 8 2 Remove 2 Hexagonal screws from the D Sub Connector Indicated as K 8 3 Take Main PCB Shield apart from Panel Bracket 9 Main Bracket Removal 9 1 Remove 8 screws from the Main PCB...

Страница 19: ...10 Panel Bracket Removal 10 1 Remove 5 screws from the Panel Bracket Indicated as M 10 2 Take Panel Bracket apart from the Front Cover 17...

Страница 20: ...140 I019 Scaler TP6760 LCD Panel 16 9 I012 MCU SM59264C40 SyncMOS Key Pad INVERTER I013 EEPROM 24C16 Power Module LED IR Pad Remote Control 8 bit I006 ADC AD9883 110 24 bit Port B 24 bit Port A I044 4...

Страница 21: ...ngs double pictures or Ghosts will occur Adjust the aerial s location and direction Replace it with one with better directionality Turn off or disconnect the booster if it is in use as the booster may...

Страница 22: ...Adjust BASS or TREBLE properly in OSD NS3 No sound in TV mode If the Country setting for the TV is incorrect it may prevent the sound from being issued Select the Country where you are located in OSD...

Страница 23: ...Remote Control does not work Make sure the batteries in remote control are not flat Check the polarity of the batteries Use the remote control in the front of the TV or from less than seven meters aw...

Страница 24: ...e of L139 24V on Main Board Is the Voltage of L104 5V on Main Board Is the Voltage of I016 2 3 3V Is the Voltage of I015 2 2 5V No No No No Yes Yes Yes No Backlight No LED Is the Voltage of P803 10 5V...

Страница 25: ...art Signal to ensure H V sync are not absent Yes Reset the MCU I012 by pressing the power key or re plugging the DC 12V cable Replace I012 End End Still no Picture I012 MCU hangs temporarily Press POW...

Страница 26: ...place I018 SAA7118 Do all of the sources have No Picture Does PC have picture Do Scart Video S Video have pictures Does Component have picture Yes Yes No No No Yes End Still No Picture After replacing...

Страница 27: ...of Child Lock is forgotten the only way to unlock the channels is to refresh EEPROM and the PIN will also recover initial number 1111 Besides all the STORE done by user will be refreshed to the situa...

Страница 28: ...t of P005A firmly to P005 Connect the wire firmly with the Interface of Panel Does the wire P005A connect firmly with LCD Panel Does the wire P005A connect firmly to P005 Are the Outputs of I019 TP676...

Страница 29: ...gh the PJ03 D sub connector and these three input signals are approximately 0 7Vpp in amplitude R031 R032and R033 give resistance of 75 respectively for impedance matching These R G B video signals ar...

Страница 30: ...019 15 17 on main Board 4 AV Signal A Video S Video Component 480i 525i 625i Refer to sheet 9 of PWB 0663 circuit diagrams Video decorder I018 SAA7118 is able to decode the colour of PAL SECAM and NTS...

Страница 31: ...CLK The Microcontroller I012 Sync Mos SM59264C is operated with the 14 318 MHz Clock which is provided from Scaler I019 136 UCLK based on crystal X002 Pin 10 Reset C127 and R096 constitute a Reset cir...

Страница 32: ...e as follows Intermediate Frequencies System L L B G D K I Picture Carrier 38 90 33 95 38 90 38 90 38 90 Colour 34 47 38 38 34 47 34 47 34 47 Sound 1 32 40 40 40 33 40 32 40 32 90 Sound 2 33 16 NICAM...

Страница 33: ...PB01 Power Module PWB 0656 and wire P802A It offers 4 5mA typical to each lamp of backlight in LCD panel 30 panel 16Lamps 27 panel 14 Lamps The On Off of the inverter is controlled by the voltage of...

Страница 34: ...10 Circuit Diagram 10 1 Main Board PWB 0663 32...

Страница 35: ...33...

Страница 36: ...34...

Страница 37: ...35...

Страница 38: ...36...

Страница 39: ...37...

Страница 40: ...38...

Страница 41: ...39...

Страница 42: ...40...

Страница 43: ...41...

Страница 44: ...10 2 Key LED IR Board PWB 0565 42...

Страница 45: ...10 3 Tuner Board PWB 0564 43...

Страница 46: ...10 3 I O Board PWB 0638 44...

Страница 47: ......

Страница 48: ...11 PCB Layout 11 1 Main Board PCB PWB 0663 45...

Страница 49: ...46...

Страница 50: ...11 2 Key LED IR Board PCB PWB 0565 11 3 Tuner Board PCB PWB 0564 47...

Страница 51: ...11 4 I O Board PCB PWB 0638 48...

Страница 52: ...56302039 10 2 P013 P024 RCA JACK WHITE 5056302054 S C 11 1 P030 CON 2P W 5056415228 JST 12 1 PJ11 CON 4P W 5056415484 Leoco 13 1 P015 CON 6P W 5056415685 Leoco 14 2 P001 P021 CON 10P W 5056416038 JST...

Страница 53: ...C291 C292 C293 C294 C295 C319 C323 C326 C504 C514 C524 C549 C550 C086 C087 C088 C247 C436 C437 0 1U 25V 5230005491 0603 3 31 C026 C029 C032 C033 C071 C074 C076 C077 C194 C195 C197 C198 C199 C203 C204...

Страница 54: ...C129 C260 100P 50V 5240610191 0603 17 4 C196 C206 C210 C211 0 01U 50V 5230610391 0603 18 1 C556 0 15U 5230019191 0603 19 2 C501 C502 22U 16V 5218008891 SMD 20 3 C214 C219 C432 47U 16V 5218008991 SMD 2...

Страница 55: ...ead Array 37 1 P005 DF14 20P 1 25H HRS 5056310015 38 1 Q009 2SK2731 ROHM 6626002752 39 7 Q004 Q005 Q006 Q007 Q008 Q020 Q003 3904 ZOWIE FAIRCHILD DII KEC 6622002257 6621038451 6622002259 6621015356 SOT...

Страница 56: ...7 5134347009 0603 54 8 R088 R089 R113 R114 R142 R143 R193 R196 2 4k 5134324209 0603 55 2 R147 R148 2 2 5134322909 0603 56 2 R103 R110 270 5134327109 0603 57 8 R021 R024 R096 R116 R123 R119 R146 R235 4...

Страница 57: ...1852 6 1 I001 AD9883A 140 6649001853 ADI 7 1 I004 24C02 6647051862 CATALYST 8 1 I044 MSP 3410G 6644077051 MICRONAS 9 2 I009 I013 AT24C16 24LC16B AM24LC16S8 6647026301 6647026355 6647051653 ATMEL MICRO...

Страница 58: ...Board PWB 0638 Item pc s Circuit No Part Spec Part No AVL 1 1 U0638 PWB 0638 5053106380 TKE 2 1 PI01 Euro Scart 5556314100 Jya Tai 3 1 PI02 RCA JACK GREEN 5056302057 S C 4 1 PI03 RCA JACK BLUE 505630...

Страница 59: ...erter PLCD17301 24V 3 75A 72mA 5000100069 E Max 4 1 P021A WIRE 10P to Key 5057410111 5 1 P015A WIRE 6P to Sensor 5057406116 6 1 PJ11A WIRE 4P to Speaker 5057404365 7 1 P003A WIRE10P to AudioAmp 505741...

Страница 60: ...13 Mechanical Disassembly 13 1 Exploded Drawing of 27 57...

Страница 61: ...13 2 Exploded Drawing of 30 58...

Страница 62: ...SIGNAL COVER 5642318104 M16 VISA BRACKET 5648731700 M17 AV PCB BRACKET 5648739400 M18 CONTROL KEY 5642847102 M19 BACK COVER 5642292201 M20 EVA SPONGE 5642026208 M21 AV PCB SHIELD 5646252401 M22 AV COV...

Страница 63: ...3 LCD Bracket 5642725500 M14 Hinge 5648740500 M15 Base Bracket 5640407200 M16 Chassis PCB Shield 5646252900 M17 AV PCB Shield 5646253100 M18 Power PCB Shield 5646256100 M19 Power PCB Cover 5646256200...

Страница 64: ...crew 5640228400 S3 PP M2x5 S Ni 7001070514 S4 PZP M4X12 S ZN 7134251682 S5 PF M4X8 S ZN 7004261112 S6 BFB M4X12 S ZN 7034251652 S7 PPW M4X12 7000311132 S8 PP M4X6 S ZN 7001260612 S9 PZP M3X8 S ZN 7134...

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