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32LD330H 데이터시트 PDF




LG에서 제조한 전자 부품 32LD330H은 전자 산업 및 응용 분야에서
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부품번호 32LD330H 기능
기능 LCD TV SERVICE MANUAL
제조업체 LG
로고 LG 로고


32LD330H 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



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32LD330H 데이터시트, 핀배열, 회로
North/Latin America
Europe/Africa
Asia/Oceania
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
LCD TV
SERVICE MANUAL
CHASSIS : LA06H
MODEL : 32LD340H 32LD340H-UA
MODEL : 32LD330H 32LD330H-UA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67207503 (1106-REV00)
Printed in Korea




32LD330H pdf, 반도체, 판매, 대치품
SERVICING PRECAUTIONS
CAUTION: Before servicing receivers covered by this service
manual and its supplements and addenda, read and follow the
SAFETY PRECAUTIONS on page 3 of this publication.
NOTE: If unforeseen circumstances create conflict between the
following servicing precautions and any of the safety precautions on
page 3 of this publication, always follow the safety precautions.
Remember: Safety First.
General Servicing Precautions
1. Always unplug the receiver AC power cord from the AC power
source before;
a. Removing or reinstalling any component, circuit board
module or any other receiver assembly.
b. Disconnecting or reconnecting any receiver electrical plug or
other electrical connection.
c. Connecting a test substitute in parallel with an electrolytic
capacitor in the receiver.
CAUTION: A wrong part substitution or incorrect polarity
installation of electrolytic capacitors may result in an
explosion hazard.
2. Test high voltage only by measuring it with an appropriate high
voltage meter or other voltage measuring device (DVM,
FETVOM, etc) equipped with a suitable high voltage probe.
Do not test high voltage by "drawing an arc".
3. Do not spray chemicals on or near this receiver or any of its
assemblies.
4. Unless specified otherwise in this service manual, clean
electrical contacts only by applying the following mixture to the
contacts with a pipe cleaner, cotton-tipped stick or comparable
non-abrasive applicator; 10% (by volume) Acetone and 90% (by
volume) isopropyl alcohol (90%-99% strength)
CAUTION: This is a flammable mixture.
Unless specified otherwise in this service manual, lubrication of
contacts in not required.
5. Do not defeat any plug/socket B+ voltage interlocks with which
receivers covered by this service manual might be equipped.
6. Do not apply AC power to this instrument and/or any of its
electrical assemblies unless all solid-state device heat sinks are
correctly installed.
7. Always connect the test receiver ground lead to the receiver
chassis ground before connecting the test receiver positive
lead.
Always remove the test receiver ground lead last.
8. Use with this receiver only the test fixtures specified in this
service manual.
CAUTION: Do not connect the test fixture ground strap to any
heat sink in this receiver.
Electrostatically Sensitive (ES) Devices
Some semiconductor (solid-state) devices can be damaged easily
by static electricity. Such components commonly are called
Electrostatically Sensitive (ES) Devices. Examples of typical ES
devices are integrated circuits and some field-effect transistors and
semiconductor "chip" components. The following techniques
should be used to help reduce the incidence of component
damage caused by static by static electricity.
1. Immediately before handling any semiconductor component or
semiconductor-equipped assembly, drain off any electrostatic
charge on your body by touching a known earth ground.
Alternatively, obtain and wear a commercially available
discharging wrist strap device, which should be removed to
prevent potential shock reasons prior to applying power to the
unit under test.
2. After removing an electrical assembly equipped with ES
devices, place the assembly on a conductive surface such as
aluminum foil, to prevent electrostatic charge buildup or
exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES
devices.
4. Use only an anti-static type solder removal device. Some solder
removal devices not classified as "anti-static" can generate
electrical charges sufficient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate
electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective
package until immediately before you are ready to install it.
(Most replacement ES devices are packaged with leads
electrically shorted together by conductive foam, aluminum foil
or comparable conductive material).
7. Immediately before removing the protective material from the
leads of a replacement ES device, touch the protective material
to the chassis or circuit assembly into which the device will be
installed.
CAUTION: Be sure no power is applied to the chassis or circuit,
and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged
replacement ES devices. (Otherwise harmless motion such as
the brushing together of your clothes fabric or the lifting of your
foot from a carpeted floor can generate static electricity
sufficient to damage an ES device.)
General Soldering Guidelines
1. Use a grounded-tip, low-wattage soldering iron and appropriate
tip size and shape that will maintain tip temperature within the
range or 500°F to 600°F.
2. Use an appropriate gauge of RMA resin-core solder composed
of 60 parts tin/40 parts lead.
3. Keep the soldering iron tip clean and well tinned.
4. Thoroughly clean the surfaces to be soldered. Use a mall wire-
bristle (0.5 inch, or 1.25cm) brush with a metal handle.
Do not use freon-propelled spray-on cleaners.
5. Use the following unsoldering technique
a. Allow the soldering iron tip to reach normal temperature.
(500°F to 600°F)
b. Heat the component lead until the solder melts.
c. Quickly draw the melted solder with an anti-static, suction-
type solder removal device or with solder braid.
CAUTION: Work quickly to avoid overheating the circuit
board printed foil.
6. Use the following soldering technique.
a. Allow the soldering iron tip to reach a normal temperature
(500°F to 600°F)
b. First, hold the soldering iron tip and solder the strand against
the component lead until the solder melts.
c. Quickly move the soldering iron tip to the junction of the
component lead and the printed circuit foil, and hold it there
only until the solder flows onto and around both the
component lead and the foil.
CAUTION: Work quickly to avoid overheating the circuit
board printed foil.
d. Closely inspect the solder area and remove any excess or
splashed solder with a small wire-bristle brush.
Copyright
LG Electronics. Inc. All right reserved.
Only for training and service purposes
-4-
LGE Internal Use Only

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32LD330H 전자부품, 판매, 대치품
5. Chrominance & Luminance
5.1. 42LD340H-UA : LC420WUG-SCA2(LGD)
No. Item
1 White brightness
2 Luminance uniformity
3 Color coordinate
RED
(Default)
GREEN
BLUE
WHITE
4 Contrast ratio
6 Color Temperature Cool
Medium
Warm
Min
200
X Typ.
Y -0.03
X
Y
X
Y
X
Y
1100
10,000:1
Typ.
-0.015
Typ
-0.015
Typ
-0.015
Typ
250
0.636
0.335
0.291
0.603
0.146
0.061
0.279
0.292
1450
50,000:1
0.269
0.273
0.285
0.293
0.313
0.329
Max
1.25
Typ.
+0.03
Unit Remarks
cd/m2 EPA 4.0
5point
Typ
+0.015
Typ
+0.015
Typ
+0.015
EPA 4.0, except RGB mode
The W/B Tolerance is
±0.015 for Adjustment
5.2. 37LD340H-UA/37LD330H-UA : LC370WUE-SCA1(LGD)
No. Item
1 White brightness
2 Luminance uniformity
3 Color coordinate
RED
(Default)
GREEN
BLUE
WHITE
4 Contrast ratio
6 Color Temperature Cool
Medium
Warm
Min
250
X Typ.
Y -0.03
X
Y
X
Y
X
Y
1100
10,000:1
Typ.
-0.015
Typ
-0.015
Typ
-0.015
Typ
300
0.639
0.334
0.289
0.606
0.145
0.065
0.279
0.292
1500
50,000:1
0.269
0.273
0.285
0.293
0.313
0.329
Max
Typ.
+0.03
Typ
+0.015
Typ
+0.015
Typ
+0.015
Unit Remarks
cd/m2 EPA 4.0
5point
EPA 4.0, except RGB mode
The W/B Tolerance is
±0.015 for Adjustment
- EPA 4.0
Luminance : To qualify as ENERGY STAR under this specification, the peak luminance of the product in the ‘home” mode, or in the
default mode as shipped, shall not be less than 65% of the peak luminance of the “retail” mode, or the brightest selectable
preset mode, of the product.
Copyright
LG Electronics. Inc. All right reserved.
Only for training and service purposes
-7-
LGE Internal Use Only

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