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SERVICE MANUAL
WIDE LCD PANEL TELEVISION
2005
YA304
6
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
LT-17B60SU,
LT-17B60SJ
TABLE OF CONTENTS
COPYRIGHT © 2005 Victor Company of Japan, Limited
Preliminary
No.YA304
2005/6

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   Summary of Contents for JVC LT-17B60SU

  • Page 1

    WIDE LCD PANEL TELEVISION YA304 2005 LT-17B60SU, LT-17B60SJ TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .

  • Page 2

    SPECIFICATION Items Contents Dimensions ( W × H × D ) 47.6cm × 43.6cm × 18.3cm [Included stand] 47.6cm × 36.3cm × 7.6cm [TV only] Mass 7.4kg [Included stand] 6.4kg [TV only] Power Input DC12V AC220 ~ 240V 50Hz Power Consumption 45W (Standby: 3.0W) TV RF System CCIR (B/G, DK, I, L)

  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS [EXCEPT FOR UK] (1) The design of this product contains special hardware, (6) Isolation Check (Safety for Electrical Shock Hazard) many circuits and components specially for safety After re-assembling the product, always perform an purposes. For continued protection, no changes should be isolation check on the exposed metal parts of the cabinet made to the original design unless authorized in writing by (antenna terminals, video/audio input and output terminals,...

  • Page 4

    SAFETY PRECAUTIONS [FOR UK] (1) The design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.

  • Page 5

    INSTALLATION 1.3.1 HEAT DISSIPATION 1.3.3 INSTALLATION REQUIREMENTS If the heat dissipation vent behind this unit is blocked, cooling To ensure safety in an emergency such as an earthquake, and efficiency may deteriorate and temperature inside the unit will to prevent accidents, ensure that measures are taken to prevent rise.

  • Page 6

    HANDLING LCD PANEL 1.4.1 PRECAUTIONS FOR TRANSPORTATION 1.4.2 OPTICAL FILTER (ON THE FRONT OF THE LCD PANEL) When transporting the unit, pressure exerted on the internal LCD (1) Avoid placing the unit under direct sunlight over a panel due to improper handling (such as tossing and dropping) prolonged period of time.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS FEATURES T-V LINK OFF TIMER When you have a T-V LINK compatible VCR connected to the This function can set the TV to automatically turn off after a set EXT-2 Terminal on the TV,it is easier to set up the VCR and to time.

  • Page 8

    TECHNICAL INFORMATION 2.3.1 LCD PANEL This unit uses the flat type panel LCD (Liquid Crystal Display) panel that occupies as little space as possible, instead of the conventional CRT (Cathode Ray Tube), as a display unit. Since the unit has the two polarizing filter that are at right angles to each other, the unit adopts "normally black" mode, where light does not pass through the polarizing filter and the screen is black when no voltage is applied to the liquid crystals.

  • Page 9: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE NOTE: • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. • When removing each board, remove the connectors as required. • Taking notes of the connecting points (connector numbers) makes service procedure manageable. •...

  • Page 10

    PANEL FRONT SIDE UNIT MAIN FRAME MAIN PWB AV DOOR SOCKET INVERTER UNIT CONTROL KNOB SIDE CONTROL BRACKET SCART AV JACK HEADPHONE DISPLY JACK PWB TFT DOOR ASSEMBLY SOCKET HINGE COVER SPEAKER SPEAKER METAL HINGE BRACKET FOOT SUPORT FOOT ASS'Y 1-10 (No.YA304)

  • Page 11

    MEMORY IC REPLACEMENT • This model uses the memory IC. • This memory IC stores data for proper operation of the video and drive circuits. • When replacing, be sure to use an IC containing this (initial value) data. 3.2.1 SETTINGS OF FACTORY SHIPMENT 3.2.1.1 BUTTON OPERATION 3.2.1.2...

  • Page 12

    REPLACEMENT OF CHIP COMPONENT 3.3.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 3.3.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.

  • Page 13: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION 4.2.2 HOW TO EXIT THE SERVICE MODE Press the [MENU] key to exit the Service mode. (1) There are 2 ways of adjusting this TV : One is with the REMOTE CONTROL UNIT and the other is the 4.2.3 CHANGE AND MEMORY OF SETTING VALUE conventional method using adjustment parts and components.

  • Page 14: Troubleshooting

    4.2.5 SERVICE MODE SETTING ITEMS Setting menu Setting items Setting menu Setting items Adjust Group Option 2 Nicam Prs Avl Off Mode Scart Prs Avl Off Col. Temp. Scart Volume Avl Off Contrast Brightness Sound Colour Carrier Sharpness LDLY Green Aps Wss Test Programme Blue...

  • Page 15

    (No.YA304)1-15...

  • Page 16

    Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DISPLAY CATEGORY 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA304) Printed in Japan...

This manual also for:

Lt-17b60sj, Lt-20a60sj, Lt-20a60su

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