Tatung V23CLTT Service Manual Download Page 1 | Manualshive

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Date: Aug 10, 2004
Ver. : 1.0

V23CLTT/V27CMTT/V30CMTT

LCD-TV

Service Manual

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Summary of Contents for V23CLTT

Page 1: ...0 Date Aug 10 2004 Ver 1 0 V23CLTT V27CMTT V30CMTT LCD TV Service Manual...

Page 2: ...ction Applications 9 4 Controls Location 11 5 Remote Control 12 6 Disassembly Instructions 14 7 Block Diagram 19 8 Troubleshooting Flow Chart 20 9 Electronic Circuit Description 23 10 Circuit Diagram...

Page 3: ...ill prevent damage to the equipment due to lightning and power line surges 4 If an outside antenna is connected to the television equipment be sure the antenna system is grounded so as to provide some...

Page 4: ...instructions are followed 1 2Product Safety Notice 1 Many electrical and mechanical parts in this chassis provide special visual safety protection The protection afforded by them cannot necessarily b...

Page 5: ...Signal I P Analog 15 pin D Sub Connector PnP compatibility DDC 2B I P Frequency Analog FH 31 5KHz to 60KHz FV 56Hz to 75Hz PC I P Recommended Analog 1024X768 60Hz Audio 1 CVBS S Video Audio 2 Y Pb Cb...

Page 6: ...5 pin D Sub Connector PnP compatibility DDC 2B I P Frequency Analog FH 31 5KHz to 60KHz FV 56Hz to 75Hz PC I P Recommended Analog 1024X768 60Hz Audio 1 CVBS S Video Audio 2 Y Pb Cb Pr Cr Audio I P Aud...

Page 7: ...bility DDC 2B I P Frequency Analog FH 31 5KHz to 60KHz FV 56Hz to 75Hz PC I P Recommended Analog 1024X768 60Hz Audio 1 CVBS S Video Audio 2 Y Pb Cb Pr Cr Audio I P Audio I P L Rx3 Audio 3 PC Video O P...

Page 8: ...480 37 5 75 0 31 5 5 SVGA 60Hz 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 48 363 60...

Page 9: ...3 Connection Applications...

Page 10: ...o amplifier to enlarge the volume z Video O P When user wants to connect Audio and Video O P of our LCD TV to VCR for recording program the O P has only one choice that is TV mode z Audio O P IF the m...

Page 11: ...rol POWER turn on or turn off the LCD TV SOURCE set up the input source PC VIDEO SV TV CV MENU display the main menu CHANEL down up change channels on sequence VOLUME turn up or turn down the volume A...

Page 12: ...ary TV remote control that includes the basic function needed while viewing a live video Sleep Power Number Buttons Return Channel UP Mute MENU Enter VOL TITLE EXIT Channel DOWN APC Audio Function TV...

Page 13: ...ulti channel sound services Press AUDIO button Select present audio is main display or sub display Press TREBLE button Adjust the treble of audio Press BASS button Press SUBWOOFER button Adjust the ba...

Page 14: ...ect the panel faceplate 2 Base Neck Removal Procedure 2 1 Remove 2 screws from Neck Cover Indicated as A Then you could take the Back Cover of neck apart from the LCD TV 3 Base Removal Procedure 3 1 R...

Page 15: ...r before you should be loose the screw Indicated as E 5 Back Cover Removal Procedure 5 1 Remove 8 screws from the Back Cover Indicated as F and G 5 2 Remove a screw from the Tuner Board Indicated as I...

Page 16: ...he Tuner Board Indicated as I 6 3 Remove 3 screws from the power case assembly Indicated as J Then you could take Slide of AV PCB Power case and Left Side Covers Removal 7 Main PCB Shield Removal 7 1...

Page 17: ...crews from the Main PCB indicated L Then you could take Main PCB apart from the LCD TV 9 Panel Bracket Removal procedure 9 1 Remove 4 screws from the Panel Bracket Indicated as M Then you could take P...

Page 18: ......

Page 19: ...ive 24 bit 24 bit AV 3D Comb filter TC90A65F or UPD64083 V Chip Z8612912 Port V Sub Port B Main Port A Main PI5V330 10W 10W Speaker Headphone Subwoofer TV Tuner Philips FQ1236 MK3 4 1 MTS Audio Proces...

Page 20: ...not absent End Is it entering into power saving on pc mode No Picture appears Picture appears Replace Main Board PWB 0610 No No No Yes Re ch arge No picture No picture No picture No picture Re ch arge...

Page 21: ...board PWB 0610 and check picture Change Power Module and check picture No After welding then check the picture Are the cables attached firmly at the LCD Panel Connect the cables firmly with the at in...

Page 22: ...Sum FDEB H 4 BIOS Version V30C D02 TAT MP 1 0 031110 5 EEPROM INITIAL Power Channel Up 6 Enter Factory Mode Power Menu Key 7 Leave Factory Mode Power off 8 Self Test Mode for Burn in Push Menu Channe...

Page 23: ...signals are converted to the their digital forms in I001 The outputs of digital data including 8 bits red 8 bits green 8b bits blue signals are assigned at Pin70 77 Pin 2 9 and Pin 12 19 of I001 and...

Page 24: ...Power Amp to Speaker iii After the Video signal to the V Chip circuit I025 NJM2244 I033 Z86129 I030 74HC126 to modulate it output to I031 SAA7118 Video Decoder Main or I018 SAA7118 Video Decoder Sub...

Page 25: ...reset for the proper operation of I012 The signal IR DAT Pin 15 of I012 is used for Infrared Receiver If the IR Received some signal I012 will send interrupt signal by Pin 2 3 MSDA MSCL to control any...

Page 26: ...board is fed with 24V through P802 1 5 on Power module and offers 4 1ma typical to each lamp of backlight in LCD panel The brightness adjusted in OSD menu is to control the voltage at P802 11 while th...

Page 27: ...26 10 Circuit Diagram 10 1 PCB Main Board Circuit...

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Page 45: ...44 10 6 POWER Circuit...

Page 46: ...45 11 PCB Layout...

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Page 56: ...55 POWER Layout...

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Page 61: ...150W 6693006601 1 6693006602 2 6693006601 Tuner Board PWB 0707 5097632500 PWB 0707 5097632505 PWB 0707 5097632506 The three material numbers can be the same I O Board PWB 0612 5097624511 PWB 0612 5097...

Page 62: ...647021813 or Topro TP 2808 6647021817 Signal Cable 15P L1800mm 5057415248 15P L1800mm 5057415248 15P L1800mm 5057415248 Power Cord UL SVT 18X3C 1 8M BLK 5056705900 UL SVT 18X3C 1 8M BLK 5056705900 UL...

Page 63: ...62 13 Mechanical Disassembly...

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