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} PREPARED BY :
DATE
1
SHARF=
TFT LIQUID CRYSTAL DISPLAY GROUP SHARP CORPORATION CDCPTCTPATTnhl
1 SPEC No. FILE No. ISSUE : PAGE: 7
LCY-99050 April. pages 19. 1999
I
APPLICABLE GROUP TFT LIQUID CRYSTAL DISPLAY GROUP
DEVICE SPECIFICATION FOR
LAMP UNIT
MODEL No. L Q 0
DD B 0 0 0 4
:
0 CUSTOMER'S APPROVAL DATA
DEPARTMENT GENERALMANAGER DEVELOPMENT ENGINEERING DEPT.11 TFT DIVISION I TFT LIQUID CRYSTAL DISPLAY GROUP SHARP CORPORATION
SHARI=
> These specification (SHARP) sheets are the proprietary product of SHARP CORPORATION Do not and include materials protected under copyright of SHARP.
LCY99050-
1
reproduce or cause any third party to reproduce them in any form or by any means, electronic or mechanical, written permission for any purpose, in whole or in part, without the express of SHARP. sheets was designed and manufactured for use
> The _--_ device listed in these specification ink A equipment.
> In case of using the device for applications transportation consideration (aircraft, trains, automobiles, that appropriate various safety related equipment system design should be taken. > Do not use the device for equipment as aerospace applications, control equipment > SHARP
such as control and safety equipment etc. ), rescue and security equipment
for and
which require higher reliability
and safety, take into
measures such as fail-safe functions and redundant
that requires an extreme level of reliability, equipment(trunk
such
telecommunication
lines), nuclear power
and medical or other equipment for life support. for any damage resulting born the use of the and the precautions specified in
assumes no responsibility sheets.
device which does not comply with the instructions these specification
Contact and consult with a SHARP sales representative device.
for any questions about this
SHARP
(1) Subject This literature (2) Introduction This backlight unit is a service part for 21cm TFT-LCD module (LQO84VlDG21) is applied for LQODDB0004
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which is the lamp unit for 21cm (8.4") TIT-LCD
module.
of which backlight
is designed to be replaceable and exactly same as originally (3) Construction and lamp holders. * Outline drawing of lamp unit : and Outline
installed one for above model.
The unit is composed of cold cathode fluorescent tubes, I/O wires (including See Fig. 1.
connectors),
(4) Input / Output terminals 4-1) I/O terminal order Table 1 Pin No. 1 2 3 Symbol VHIGH NC VLOW i/o i i No connection Power supply for lamp (Low voltage side) ; BHR-03VS-1 ; SM02(&0)B-BHS ( produced by Japan Solderless Terminal (5) Electrical characteristics of single lamp are shown in the following table 2. Table 2 ) Description Power supply for lamp (High voltage side)
4-2) I/O connector 1) Installed 2) Mating socket housing connector
The characteristics
[NotellAvailable [Note21 Calculated
current range considering value for reference.
light-adjustment.
SHARI=
[Note31 Since lamp is consumable, guaranteed in this specification (Continuous the life time written sheet by SHARP. ?3"C,ILr6mArms) value, 1500 Vrms. above is referential Lamp life time is defined that it applied either 1 or 2 under this condition. turning on at Ta=25"C, 1. Brightness becomes 50% of the original value under standard condition. 2. Kick-off voltage at Ta=O"C (6) Optical characteristics Table 3 Parameter Luminance Chromaticity Symbol
YL
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value and it is not
exceeds maximum
MIN.
-
TYP. 28,000 0.288 0.255
MAX. 0.298 0.265
unit cd/m2 1~=6.OmA . (Tentative
Remarks Value)
X Y
0.278 j 0.245
Above value is the characteristics (7) Environmental Followingfemperature module LQ084VlDC21 - ____-----Item Storage temperature Operating
(Note11
of the lamp itself with the inverter
condition ranges indicate ambient condition Table 4 Symbo 1 Tstg Topa 540C) at 39C or less.(Ta>40"C) Temperature -25 -.-t70
0 _ +.55
to be guaranteed
by SHARP
for the LCD
which the lamp unit is incorparated. Unit Remarks (Note11
range range (Ambient) 95%RH Max.(Ta
"C
"C
temperature Humidity: Maximum
wet-bulb temperature
No condensation.
SHARP
54t 10 *
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198.620.5
Fig,. 1. Outline drawing of Lamp unit
SHARP
(8) Procedure to exchange Lamp unit accordance with the following.
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Lamps for the LCD module can be worn out, so please replace them to new lamps when needed in Please make sure that power is off before you replace them to Please prevent you from getting an electrical shock. Please insert the lamp with care while replacing. be careful for any dust goes in. 0 Remove 2 screws which holds the Lamp unit. (refer to Fig. 2) direction.
@ Slide the Lamp unit to the "B"
0 Remove the Lamp unit. ("C'direction) @ Replace the new Lamp unit to the " D "direction and slide the unite to the "E" direction. (refer to Fig.3) @ Tighten the 2 screws to lix the Lamp unit along the screw gap of. hole. The screw torque should be maximum 1.6kgf * cm. If you tighten the screw over 1.6kgf.cm, the screw should be destroyed. Please be careful. @ Please insert the lamp with care while replacing. Please be careful for any dust that goes in. Please make sure that the lamp unit is in all the way. w
Fig. 2.
Procedure to exchange Lamp unit.
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Fig. 3.
Procedure to exchange Lamp unit
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(9) Packing form Packing form is shown in Fig.4 (Total Weight: 2,860 g) (10) Others 10-l) It shaII be informed before with attachment design, process, or management of the Quality/ reliability
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data if any changes of or other
system occurs. in all sincerity through discussion.
10-2) If any problems occurs in relation to the description in the present specitications relevant items, it shall be eliminated
Fig.4.Packing
form

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