Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as
electrical shock.
1-1-1. Warnings
For continued safety, do not attempt to modify the circuit board.1.
Disconnect the AC power and DC power jack before servicing.2.
1-1-2. Servicing the LED/LCD TV
When servicing the LED/LCD TV, Disconnect the AC line cord from the AC outlet.1.
It is essential that service technicians have an accurate voltage meter available at all times. 2.
Check the calibration of this meter periodically.
1-1-3. Fire and Shock Hazard
Before returning the LED/LCD TV to the user, perform the following safety checks:
Inspect each lead dress to make certain that the leads are not pinched or that hardware is not lodged between the 1.
chassis and other metal parts in the LED/LCD TV.
Inspect all protective devices such as nonmetallic control knobs, insulating materials, cabinet backs, adjustment and 2.
compartment covers or shields, isolation resistorcapacitor networks, mechanical insulators, etc.
Leakage Current Hot Check (Figure 1-1): 3.
WARNING : Do not use an isolation transformer during this test.
Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI
C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL Publication UL1410, 59.7).
(READING SHOULD)
NOT BE ABOVE 0.5mA
DEVICE
UNDER
TEST
2-WIRE CORD
*ALSO TEST WITH
PLUG REVERSED
(USING AC ADAPTER
PLUG AS REQUIRED)
TEST ALL
EXPOSED METAL
SURFACES
LEAKAGE
CURRENT
TESTER
EARTH
GROUND
Figure 1-1. Leakage Current Test Circuit
With the unit completely reassembled, plug the AC line cord directly into a 120V AC outlet. With the unit’s AC switch 4.
rst in the ON position and then OFF, measure the current between a known earth ground (metal water pipe, conduit,
etc.) and all exposed metal parts, including: metal cabinets, screwheads and control shafts.
The current measured should not exceed 0.5 milliamp.
Reverse the power-plug prongs in the AC outlet and repeat the test.
1-1-4. Product Safety Notices
Some electrical and mechanical parts have special safetyrelated characteristics which are often not evident from visual
inspection. The protection they give may not be obtained by replacing them with components rated for higher voltage,
wattage, etc. Parts that have special safety characteristics are identied by on schematics and parts lists. A substitute
replacement that does not have the same safety characteristics as the recommended replacement part might create
shock, re and/or other hazards. Product safety is under review continuously and new instructions are issued whenever
appropriate.
1-1
1-2
1. Precautions
1-2. Servicing Precautions
WARNING: An electrolytic capacitor installed with the wrong polarity might explode.
Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of
this manual.
Note: If unforeseen circumstances create conict between the following servicing precautions and any of the
safety precautions, always follow the safety precautions.
1-2-1 General Servicing Precautions
Always unplug the unit’s AC power cord from the AC power source and disconnect the DC Power Jack before 1.
attempting to:
(a) remove or reinstall any component or assembly, (b) disconnect PCB plugs or connectors, (c) connect a test
component in parallel with an electrolytic capacitor.
Some components are raised above the printed circuit board for safety. An insulation tube or tape is sometimes 2.
used. The internal wiring is sometimes clamped to prevent contact with thermally hot components. Reinstall all such
elements to their original position.
After servicing, always check that the screws, components and wiring have been correctly reinstalled. Make sure that 3.
the area around the serviced part has not been damaged.
Check the insulation between the blades of the AC plug and accessible conductive parts (examples: metal panels, 4.
input terminals and earphone jacks).
Insulation Checking Procedure: Disconnect the power cord from the AC source and turn the power switch ON.5.
Connect an insulation resistance meter (500 V) to theblades of the AC plug.
The insulation resistance between each blade of the AC plug and accessible conductive parts (see above) should be
greater than 1 megohm.
Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead; 6.
always remove the instrument’s ground lead last.
Some semiconductor (solid state) devices can be easily damaged by static electricity. Such components are commonly
called Electrostatically Sensitive Devices (ESD). Examples of typical ESD are integrated circuits and some eld-effect
transistors. The following techniques will reduce the incidence of component damage caused by static electricity.
Immediately before handling any semiconductor components or assemblies, drain the electrostatic charge from your 1.
body by touching a known earth ground. Alternatively, wear a discharging wrist-strap device. To avoid a shock hazard,
be sure to remove the wrist strap before applying power to the LED/LCD TV.
After removing an ESD-equipped assembly, place it on a conductive surface such as aluminum foil to prevent 2.
accumulation of an electrostatic charge.
Do not use freon-propelled chemicals. These can generate electrical charges sufcient to damage ESDs.3.
Use only a grounded-tip soldering iron to solder or desolder ESDs.4.
Use only an anti-static solder removal device. Some solder removal devices not classied as “anti-static” can generate 5.
electrical charges sufcient to damage ESDs.
Do not remove a replacement ESD from its protective package until you are ready to install it. Most replacement ESDs 6.
are packaged with leads that are electrically shorted together by conductive foam, aluminum foil or other conductive
materials.
Immediately before removing the protective material from the leads of a replacement ESD, touch the protective 7.
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.
Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes together, 8.
or lifting your foot from a carpeted oor can generate enough static electricity to damage an ESD.
1-3
1. Precautions
1-4. Installation Precautions
For safety reasons, more than a people are required for carrying the product.1.
Keep the power cord away from any heat emitting devices, as a melted covering may cause re or electric shock.2.
Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal 3.
temperature may cause re.
Bend the external antenna cable when connecting it to the product. This is a measure to protect it from being exposed 4.
to moisture. Otherwise, it may cause a re or electric shock.
Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product. Also check 5.
the antenna cable or the external connectors if they are fully unplugged. Damage to the cord may cause re or electric
shock.
Keep the antenna far away from any high-voltage cables and install it rmly. Contact with the highvoltage cable or the 6.
antenna falling over may cause re or electric shock.
When installing the product, leave enough space (0.4m) between the product and the wall for ventilation purposes. 7.
A rise in temperature within the product may cause re.
Enjoy photos, music and/or movie files saved on a USB Mass Storage Class (MSC) device and/or your PC.
Press the 1. CONTENT button to select My Contents.
Press 2. u/d button to select desired menu (Videos,
Photos, Music), then press the ENTERE button.
* It may differ depending on the model.
Connecting a USB Device
Turn on your TV.1.
Connect a USB device containing photo, music and/or 2.
movie les to the USB jack on the side of the TV.
When USB is connected to the TV, popup window 3.
appears. Then you can select Connected Device.
* It may differ depending on the model.
N It might not work properly with unlicensed multimedia les.
N Need-to-Know List before using My Contents.
MTP (Media Transfer Protocol) is not supported.•
The le system supports FAT16, FAT32 and NTFS.•
Certain types of USB Digital camera and audio devices may not be compatible with this TV.•
• My Contents only supports USB Mass Storage Class (MSC) devices. MSC is a Mass Storage Class Bulk-Only Transport
device. Examples of MSC are Thumb drives, Flash Card Readers and USB HDD (USB HUB are not supported). Devices
should be connected directly to the TV’s USB port.
Before connecting your device to the TV, please back up your les to prevent them from damage or loss of data. SAMSUNG •
is not responsible for any data le damage or data loss.
USB (HDD) is not supported. •
Connect a USB HDD to the dedicated port, USB 1 (HDD) port. •
Do not disconnect the USB device while it is loading.•
The higher the resolution of the image, the longer it takes to display on the screen.•
The maximum supported JPEG resolution is 15360X8640 pixels.•
For unsupported or corrupted les, the “Not Supported File Format” message is displayed.•
If the les are sorted by Basic View, up to 1000 les can be displayed in each folder.•
MP3 les with DRM that have been downloaded from a non-free site cannot be played. Digital Rights Management (DRM) •
is a technology that supports the creation, distribution and management of the content in an integrated and comprehensive
way, including the protection of the rights and interests of the content providers, the prevention of the illegal copying of
contents, as well as managing billings and settlements.
If more than 2 PTP devices are connected, you can only use one at a time.•
If more than two MSC devices are connected, some of them may not be recognized. A USB device that requires high power •
(more than 500mA or 5V) may not be supported. If an over-power warning message is displayed while you are connecting
or using a USB device, the device may not be recognized or may malfunction.
If the TV has been no input during time set in Auto Protection Time, the Screensaver will run.•
The power-saving mode of some external hard disk drives may be released automatically when connected to the TV.•
If a USB extension cable is used, the USB device may not be recognized or the les on the device may not be read.•
If a USB device connected to the TV is not recognized, the list of les on the device is corrupted or a le in the list is not •
played, connect the USB device to the PC, format the device and check the connection.
If a le deleted from the PC is still found when • My Contents is run, use the “Empty the Recycle Bin” function on the PC to
permanently delete the le.
for LED 4000 series
for LED 5000 series
2-12
2. Product specications
Music
Playing Music01.
Press the 1. ◄/►/▲/▼ button to select the desired Music in
the le list.
Press the 2. ENTERE button or (Play) button.
– You can use (REW) and μ(FF) buttons during
playback.
N Only displays the les with MP3 and PCM le extension. Other le extensions are not displayed, even if they are
saved on the same USB device.
N If the sound is abnormal when playing MP3 les, adjust the Equalizer in the Sound menu. (An over-modulated
MP3 le may cause a sound problem.)
Playing selected music02.
Press the 1.
Select the desired music.2.
– The check box appears to the left of the selected les.
Press the 3. TOOLS button and select Play Selected Contents.
– You can select or deselect all music pressing the Select All/DeselectAll.
(Edit Mode) button.
C
2-13
2. Product specications
Photos
Viewing a Photo (or Slide Show)01.
Press the 1. ◄/►/▲/▼ button to select the desired Music in
the le list.
Press the 2. ENTERE button or (Play) button.
– When a selected photo is displayed, press the
ENTERE button to start the slide show.
– During the slide show, all les in the le list will be
displayed in order.
N When you press the (Play) button in the le list, slide show will be started immediately.
N Music les can be automatically played during the Slide Show if the Background Music is set to On.
N The BGM Mode cannot be changed until the BGM has nished loading.
2-14
2. Product specications
2-4-2. e-Manual
How to view the e-Manual
2-15
2. Product specications
3. Disassembly and Reassembly
3. Disassembly and Reassembly
This section of the service manual describes the disassembly and reassembly procedures for the LED/LCD TV.
WARNING:
This LED/LCD TV contains electrostatically sensitive devices. Use caution when handling these components.
3-1. Disassembly and Reassembly
Cautions: 1. Disconnect the
2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.
LE32D400
DescriptionPicture DescriptionScrews
Place the TV face down on cushioned table.
LED/LCD
TV from the power source before disassembly.
1
Remove 4 screws from the Stand.
Remove Stand.
Remove the screws of Rear-Cover.
2
32D400/32D403/32D503 : •
Remove the 8 screws.
6003-001785
6003-001782
3-1
3-2
3. Disassembly and Reassembly
DescriptionPicture DescriptionScrews
Lift up the Rear-Cover.
3
Remove the left and right speaker.
4
Remove the 4 screws of Main Board.
5
Remove the 5 screws of SMPS Board.
Remove the 6 screws of Bracket Stand Link &
6
Guide. (Machine type : 4 EA)
Remove the Stand Link.
7
6003-001782
6003-001782
6003-001782
3-3
3. Disassembly and Reassembly
Lift up the Panel.
8
Reassembly procedures are in the reverse order of disassembly procedures. ※
DescriptionPicture DescriptionScrews
3-4
3. Disassembly and Reassembly
UE32D4003
DescriptionPicture DescriptionScrews
Place the TV face down on cushioned table.
1
Remove 4 screws from the Stand.(machine
type)
6001-002621
(Machine)
Remove Stand.
Remove the screws of Rear-Cover.
2
26D4003 :• Remove the 4 screws.
32D4003 :• Remove the 10 screws. (machine type : 1 EA)
40D5003 :• Remove the 11 screws. (machine type : 3 EA)
Lift up the Rear-Cover.
3
6003-001782
6001-002671
(Machine)
3-5
3. Disassembly and Reassembly
DescriptionPicture DescriptionScrews
Remove the left and right speaker.
4
Remove the 4 screws of Main Board.
5
Remove the 5 screws of SMPS Board.
6001-002653
(Machine)
Remove the 4 screws of Bracket Stand Link
6
Remove the Stand Link.
7
Lift up the Panel.
8
6001-002653
(Machine)
Reassembly procedures are in the reverse order of disassembly procedures. ※
3-6
3. Disassembly and Reassembly
UE22D5003
DescriptionPicture DescriptionScrews
Place the TV face down on cushioned table.
1
Remove 2 screws from the stand.
(machine type)
6003-001782
Remove Stand.
Remove the screws of Rear-Cover.
2
19D4003/22D5003 : Remove the 4 screws.•
Lift up the Rear-Cover.
3
6003-001782
Remove the left and right speaker.
4
3-7
3. Disassembly and Reassembly
DescriptionPicture DescriptionScrews
Remove the 4 screws of Main Board.
5
Remove the 3 screws of SMPS Board.
Remove the Stand Link.
6
6003-000115
Lift up the Panel.
7
Reassembly procedures are in the reverse order of disassembly procedures. ※
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