background image

SERVICE MANUAL

COPYRIGHT © 2005 Victor Company of Japan, Limited

No.YA232

2005/8

WIDE LCD PANEL TELEVISION

YA232

2005

8

LT-30E45SU,
LT-30E45SJ,
LT-30E45SU

/Z

,

LT-30E45SU

/N

TABLE OF CONTENTS

1

PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-3

2

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-6

3

DISASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-10

4

ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-16

5

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-16

P

MENU

BACK

PC

TV

VC

R

D

VD

TV

Содержание InteriArt LT-23C50BJ

Страница 1: ... No YA232 2005 8 WIDE LCD PANEL TELEVISION YA232 2005 8 LT 30E45SU LT 30E45SJ LT 30E45SU Z LT 30E45SU N TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 10 4 ADJUSTMENT 1 16 5 TROUBLESHOOTING 1 16 P MENU BACK PC TV VCR DVD TV ...

Страница 2: ...768 dots WXGA Audio Power Output 8W 8W 10 THD Speaker 5 0cm round type 2 Aerial terminal VHF UHF F type connector 75Ω unbalanced coaxial EXT 1 EXT 2 Input Output 21 pin Euro connector SCART socket 2 EXT 3 Input Component Video 625p 525p 625i 525i Audio RCA pin jack 3 Y 1V p p Positive Negative sync provided 75 Ω Cb Cr 0 7V p p 75 Ω 500mV rms 4dBs high impedance RCA pin jack 2 EXT 4 Input S Video V...

Страница 3: ...ts that indicate evidence of overheating should be replaced Always use the manufacturer s replacement components 6 Isolation Check Safety for Electrical Shock Hazard After re assembling the product always perform an isolation check on the exposed metal parts of the cabinet antenna terminals video audio input and output terminals Control knobs metal cabinet screw heads earphone jack control shafts ...

Страница 4: ...in an emergency such as an earthquake and to prevent accidents ensure that measures are taken to prevent the TV dropping or falling over Use the supplied screws to firmly attach the supplied hooks OPTION to the back of the TV and use commercially available cord to fix the TV to rigid components such as walls and columns 1 2 4 NOTES ON HANDLING 1 WHEN TAKING UNIT OUT OF A PACKING CASE When taking t...

Страница 5: ...uring transportation and storage as the LCD panel is very vulnerable to lateral impacts and may break During transportation ensure that the unit is loaded along the traveling direction of the vehicle and avoid stacking them on one another For storage ensure that they are stacked in 2 layers or less even when placed upright 1 3 2 OPTICAL FILTER ON THE FRONT OF THE LCD PANEL 1 Avoid placing the unit...

Страница 6: ...ng value EXT 1 EXT 2 1 AUDIO R output 500mV rms Nominal Low impedance Used TV OUT Used LINE OUT 2 AUDIO R input 500mV rms Nominal High impedance Used R1 Used R2 3 AUDIO L output 500mV rms Nominal Low impedance Used TV OUT Used LINE OUT 4 AUDIO GND Used Used 5 GND B Used Used 6 AUDIO L input 500mV rms Nominal High impedance Used L1 Used L2 7 B input 700mV B W 75Ω Used Used 8 FUNCTION SW SLOW SW Low...

Страница 7: ...IGHT FAULT In this pixel fault a cell that should not light originally is lighting on and off For checking this pixel fault input ALL BLACK SCREEN and find out the cell that is lighting on and off DARK FAULT In this pixel fault a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting For checking this pixel fault input 100 of each...

Страница 8: ...reen 2 5 2 HOW TO EXIT THE SERVICE MODE Press the MENU key to exit the Service mode 2 5 3 CHANGE AND MEMORY OF SETTING VALUE SELECTION OF SETTING MENU ITEM FUNCTION key Select the SETTING MENU ITEM OK key Decision the SETTING MENU ITEM CHANGE OF SETTING VALUE DATA FUNCTION key MEMORY OF SETTING VALUE DATA The setting value will be stored automatically when release the REMOTE CONTROL UNIT keys 2 5 ...

Страница 9: ...0K 7500K 9300K 5500K video format auto ntsc pal secam ntsc auto color space RGB YPbPr SMPTE240 YPbPr REC709 YCbCr REC601 RGB test pattern none solid color vert bars none color components all red green blue all solid field level 0 64 33 initial aps on off on deinterlacer black expansion on off These values are notrecorded for this reasonthey are adjust ed to aspecified value dcti 0 255 dlti 0 255 l...

Страница 10: ...move the 8 screws F and 2 screws G then remove the MAIN PWB 3 1 4 REMOVING THE POWER PWB Fig 1 Remove the STAND Remove the REAR COVER 1 Remove the 4 screws H then remove the POWER PWB 3 1 5 REMOVING THE POWER UNIT Fig 1 Remove the STAND Remove the REAR COVER 1 Remove the 4 screws J then remove the POWER UNIT 3 1 6 REMOVING THE CONTROL BOTTON PWB Fig 1 Remove the STAND Remove the REAR COVER 1 Remov...

Страница 11: ... 1 MAIN PWB M L G E W K D B C J H F T Q N P R A FAV PWB CONTROL BASE CONTROL KNOB REAR COVER STAND TERMINAL BASE NOISE FILTER PWB AMPLIFIER PWB LED PWB POWER UNIT RIGHT FRAME LEFT FRAME POWER PWB CONTROL BUTTON PWB FRONT ...

Страница 12: ...NG THE LCD PANEL UNIT Fig 2 Remove the STAND Remove the REAR COVER 1 Remove the 4 screws D and the 12 screws E then remove the LCD PANEL UNIT with the MAIN BASE 2 Remove the 4 screws F then remove the MAIN BASE from the LCD PANEL UNIT NOTE Pay special attention not to break or damage on the LCD PANEL face or frame The LCD PANEL UNIT is fixed to the FRONT COVER at the back side by using double side...

Страница 13: ... No YA232 1 13 Fig 2 B B A A F F E D D C C SPEAKER R SPEAKER BASE SUB SPEAKER R SUB SPEAKER L SPEAKER L SPEAKER BASE MAIN BASE FRONT PANEL LCD PANEL UNIT FRONT ...

Страница 14: ...tion ZOOM AUTO Setting item Setting position brightness 61 Contrast 36 Sharpness 50 Color 43 tint 50 phase PC signal input only 50 Setting item Setting position image size TV EXT Auto PC Fill all pip size pip selected only 10 pip position pip selected only upper left posision h position PC signal input only 10 v position PC signal input only 21 Setting item Setting position volume 21 hp volume 19 ...

Страница 15: ...the tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part NOTE After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as i...

Страница 16: ...1 16 No YA232 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Страница 17: ... No YA232 AV MULTIMEDIA COMPANY DISPLAY CATEGORY 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Отзывы: