B/G, I / SECAM B/G, D/K, L/L’ SYSTEM COLOUR TELEVISION
MB70 CHASSIS
MODEL
LC-32LE511E
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In the interests of user safety (required by safety
regulations in some countries) the set should be restored to its original condition and only parts identical
to those specied should be used.
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CONTENTS
TABLE OF CONTENTS ....................................................................................................................... 2
25. REPLACEMENT PARTS LISTING .......................................................................................... 103
26. CABINET AND MECHANICAL PARTS LISTING ..................................................................... 149
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ELECTRICAL SPECIFICATIONS
Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room, offi ce), the
picture may leave trails or appear slightly delayed. This is not a malfunction, and the unit will recover when the temperature returns to normal.
• Do not leave the unit in a hot or cold location. Also, do not leave the
unit in a location exposed to direct sunlight or near a heater, as this may
cause the cabinet to deform and the LCD panel to malfunction. Storage
temperature: –20°C to +60°C
.
Specifications
• As a part of our policy of continuous improvement, SHARP reserves the right to
make design and specifi cation changes
for product improvement without prior
notice. The performance specifi cation fi gures indicated are nominal values of production units. There may be some deviations from these values in individual unit
s.
Environmental Specifications
*1 On-Mode (W) (HOME MODE)
*2 Energy-Save-Mode (W)ECO
*3 Standby-Mode (W)
*4 Off Mode (W)
*5 Annual Energy Consumption (kWh)
*6 Annual Energy Consumption Energy-Save-Mode (kWh)
-Sampling frequencies supported are 32, 44.1 & •
48 kHz
Digital Reception (DVB-T2)
Demodulation
-QPSK, 16QAM, 64QAM, 256QAM with 1k, 2k, 4k,
8k, 16k, 32k FFT mode
Frequency Band
- UHF/ VHF
Channel BW
- 8 MHz /7MHz
Proles
- MPEG-4 H.264/AVC HP@L 4.0, MP@L 4.0 (HD)
- H.264/AVC MP@L 3 .2, HP@L 3 .2 (SD)
- MPEG-2 MP@HL, MP@ML (SD)
4
LC-40LE511E Specications
ELECTRICAL SPECIFICATIONS
Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room, offi ce), the
picture may leave trails or appear slightly delayed. This is not a malfunction, and the unit will recover when the temperature returns to normal.
• Do not leave the unit in a hot or cold location. Also, do not leave the
unit in a location exposed to direct sunlight or near a heater, as this may
cause the cabinet to deform and the LCD panel to malfunction. Storage
temperature: –20°C to +60°C
.
Specifications
• As a part of our policy of continuous improvement, SHARP reserves the right to
make design and specifi cation changes
for product improvement without prior
notice. The performance specifi cation fi gures indicated are nominal values of production units. There may be some deviations from these values in individual unit
s.
Environmental Specifications
*1 On-Mode (W) (HOME MODE)
*2 Energy-Save-Mode (W)ECO
*3 Standby-Mode (W)
*4 Off Mode (W)
*5 Annual Energy Consumption (kWh)
*6 Annual Energy Consumption Energy-Save-Mode (kWh)
-Modulation: 16-QAM - 64-QAM FEC for all DVB•
modes (automatically found)
MHEG-5 ENGINE compliant with ISO/IEC 13522-5•
UK engine Prole (UK only)
Object carousel support compliant with ISO/IEC•
135818-6 and UK DTT prole(UK only)
Frequency range: 474-850 MHz for UK models•
ii. VIDEO
-H.264 (MPEG-4 part 10) main and high prole level•
4.1/MPEG-2 MP@HL video decoder.
-HD display multi format capable (1080i, 720p,•
576p)
-CVBS analogue output.(In HD channels, this will•
not be available
iii. AUDIO
-MPEG-1 layer I/II, MPEG-2 layer II, AAC, HEAAC,•
AC3, E-AC3
-Sampling frequencies supported are 32, 44.1 &•
48 kHz
Digital Reception (DVB-T2)
Demodulation
-QPSK, 16QAM, 64QAM, 256QAM with 1k, 2k, 4k,
8k, 16k, 32k FFT mode
Frequency Band
- UHF/ VHF
Channel BW
- 8 MHz /7MHz
Proles
- MPEG-4 H.264/AVC HP@L 4.0, MP@L 4.0 (HD)
- H.264/AVC MP@L 3 .2, HP@L 3 .2 (SD)
- MPEG-2 MP@HL, MP@ML (SD)
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ELECTRICAL SPECIFICATIONS
Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room, offi ce), the
picture may leave trails or appear slightly delayed. This is not a malfunction, and the unit will recover when the temperature returns to normal.
• Do not leave the unit in a hot or cold location. Also, do not leave the
unit in a location exposed to direct sunlight or near a heater, as this may
cause the cabinet to deform and the LCD panel to malfunction. Storage
temperature: –20°C to +60°C
.
Specifications
• As a part of our policy of continuous improvement, SHARP reserves the right to
make design and specifi cation changes
for product improvement without prior
notice. The performance specifi cation fi gures indicated are nominal values of production units. There may be some deviations from these values in individual unit
s.
Environmental Specifications
*1 On-Mode (W) (HOME MODE)
*2 Energy-Save-Mode (W)ECO
*3 Standby-Mode (W)
*4 Off Mode (W)
*5 Annual Energy Consumption (kWh)
*6 Annual Energy Consumption Energy-Save-Mode (kWh)
-Modulation: 16-QAM - 64-QAM FEC for all DVB•
modes (automatically found)
MHEG-5 ENGINE compliant with ISO/IEC 13522-5•
UK engine Prole (UK only)
Object carousel support compliant with ISO/IEC•
135818-6 and UK DTT prole(UK only)
Frequency range: 474-850 MHz for UK models•
ii. VIDEO
-H.264 (MPEG-4 part 10) main and high prole level•
4.1/MPEG-2 MP@HL video decoder.
-HD display multi format capable (1080i, 720p,•
576p)
-CVBS analogue output.(In HD channels, this will•
not be available
iii. AUDIO
-MPEG-1 layer I/II, MPEG-2 layer II, AAC, HEAAC,•
AC3, E-AC3
-Sampling frequencies supported are 32, 44.1 &•
48 kHz
Digital Reception (DVB-T2)
Demodulation
-QPSK, 16QAM, 64QAM, 256QAM with 1k, 2k, 4k,
8k, 16k, 32k FFT mode
Frequency Band
- UHF/ VHF
Channel BW
- 8 MHz /7MHz
Proles
- MPEG-4 H.264/AVC HP@L 4.0, MP@L 4.0 (HD)
- H.264/AVC MP@L 3 .2, HP@L 3 .2 (SD)
- MPEG-2 MP@HL, MP@ML (SD)
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IMPORTANT SERVICE SAFETY PRECAUTION
Service work should be performed only by qualied service technicians who are thoroughly familiar with all
safety checks and the servicing guidelines which follow:
WARNING
1. For continued safety, no modication of any circuit should be attempted.
2. Disconnect AC power before servicing.
CAUTION: FOR CONTINUED PROTECTION AGAINST A RISK OF
FIRE REPLACE ONLY WITH SAME TYPE
F100, F101 (T 3.15A L250V)
BEFORE RETURNING THE RECEIVER (Fire & Shock Hazard)
Before returning the receiver to the user, perform the following safety checks:
1. Inspect all lead dress to make certain that leads are not pinched, and check that hardware is not lodged between the
chassis and other metal parts in the receiver.
2. Inspect all protective devices such as non-metallic control knobs, insulation materials, cabinet backs, adjustment and
compartment covers or shields, isolation resistor-capacitor networks, mechanical insulators, etc.
3. To be sure that no shock hazard exists, check for leakage current in the following manner.
• Plug the AC cord directly into a 220~240 volt AC outlet. (Do not use an isolation transformer for this test).
•Using two clip leads, connect a 1.5k ohm, 10 watt resistor paralleled by a 0.15µF capacitor in series with all exposed metal
cabinet parts and a known earth ground, such as electrical conduit or electrical ground connected to an earth ground.
•A true RMS reading multimeter should be used for this test, especially where the equipment uses a switch mode
power supply which may result in very non-sinusoidal leakage current.
•Connect the resistor connection to all exposed metal parts having a return to the chassis (antenna, metal cabinet,
screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop across the resistor.
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All checks must be repeated with the AC cord plug connection reversed. (If necessary, a nonpolarized adaptor plug must
be used only for the purpose of completing these checks.)
Any reading of 1.05V peak (this corresponds to 0.7 mA. peak AC.) or more is excessive and indicates a potential shock
hazard which must be corrected before returning the monitor to the owner.
DVM
AC SCALE
1.5k ohm
10W
0.15 µF
TEST PROBE
TO EXPOSED
METAL PARTS
CONNECT TO
KNOWN EARTH
GROUND
SAFETY NOTICE
Many electrical and mechanical parts in LCD television have special safety-related characteristics.
These characteristics are often not evident from visual inspection, nor can protection afforded by them be necessarily
increased by using replacement components rated for higher voltage, wattage, etc.
Replacement parts which have these special safety characteristics are identied in this manual; electrical components
having such features are identied by “ “.
!
For continued protection, replacement parts must be identical to those used in the original circuit.
The use of a substitute replacement parts which do not have the same safety characteristics as the factory recommended
replacement parts shown in this service manual, may create shock, re or other hazards.
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PRECAUTIONS FOR USING LEAD-FREE SOLDER
1 Employing lead-free solder
“ALL PWB” of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the
PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
Example:
Indicates lead-free solder of tin, silver and copper.
LF n
Sn-Ag-Ni
2 Using lead-free wire solder
When xing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead
wire solder may cause damage or accident due to cracks.
As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40°C, we recommend you to
use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our
service station or service branch in your area.
3 Soldering
As the melting point of lead-free solder (Sn-Ag-Cu) is about 220°C which is higher than the conventional lead solder by
40°C, and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended
period of time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be
exceeded, remove the bit from the PWB as soon as you conrm the steady soldering condition.
Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and
off the power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every
use of it.
When the tip of the soldering bit is blackened during use, le it with steel wool or ne sandpaper.
Be careful when replacing parts with polarity indication on the PWB silk.
Lead-free wire solder for servicing.
Indicates lead-free solder of tin, silver and nickel.
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END OF LIFE DISPOSAL
A. Information on Disposal for Users (private households)
1. In the European Union
Attention: If you want to dispose of this equipment, please do not use the ordinary dust bin!
Used electrical and electronic equipment must be treated separately and in accordance with legislation that requires
proper treatment, recovery and recycling of used electrical and electronic equipment.
Following the implementation by member states, private households within the EU states may return their used
electrical and electronic equipment to designated collection facilities free of charge*. In some countries* your local
retailer may also take back your old product free of charge if you purchase a similar new one.
*) Please contact your local authority for further details.
If your used electrical or electronic equipment has batteries or accumulators, please dispose of these separately
beforehand according to local requirements.
By disposing of this product correctly you will help ensure that the waste undergoes the necessary treatment, recovery
and recycling and thus prevent potential negative effects on the environment and human health which could otherwise
arise due to inappropriate waste handling.
2. In other Countries outside the EU
If you wish to discard this product, please contact your local authorities and ask for the correct method of disposal.
For Switzerland: Used electrical or electronic equipment can be returned free of charge to the dealer, even if you don’t
purchase a new product. Further collection facilities are listed on the homepage of www.swico.ch or www.sens.ch.
B. Information on Disposal for Business Users
1. In the European Union
If the product is used for business purposes and you want to discard it:
Please contact your SHARP dealer who will inform you about the take-back of the product. You might be charged for
the costs arising from take-back and recycling. Small products (and small amounts) might be taken back by your local
collection facilities.
For Spain: Please contact the established collection system or your local authority for take-back of your used
products.
2. In other Countries outside the EU
If you wish to discard of this product, please contact your local authorities and ask for the correct method of disposal.
Attention: Your product
is marked with this
symbol. It means that
used electrical and
electronic products
should not be mixed
with general household
waste. There is a
separate collection
system for these
products.
End of life disposal
The battery supplied with this product contains traces of Lead.
For EU: The crossed-out wheeled bin implies that used batteries should not be put to the general household waste!
There is a separate collection system for used batteries, to allow proper treatment and recycling in accordance with
legislation. Please contact your local authority for details on the collection and recycling schemes.
For Switzerland: The used battery is to be returned to the selling point.
For other non-EU countries: Please contact your local authority for correct method of disposal of the used battery.
(*) (in DVB channels) / Play preview (in Media
Browser mode)
Favourite Mode Selection (in DVB channels)5.
Numeric buttons6.
Electronic programme guide(in DVB channels)7.
No function8.
Media Browser9.
Navigation buttons (Up/Down/Left/Right)10.
No function11.
No function12.
Programme Down / Page up - Programme Up / 13.
Page down
Mute14.
No function / Record programme15.
Pause (in Media Browser mode) / Timeshift 16.
recording
Rapid reverse (in Media Browser mode)17.
Play (in Media Browser mode)18.
Red button19.
Green button 20.
Picture mode selecion. / Changes picture mode 21.
(in Media Browser video mode)
No function22.
Teletext / Mix (in TXT mode)23.
Subtitle on-off (in DVB channels) / TXT Subtitle 24.
(analogue TV mode) / Subtitle (Media Browser
video mode)
Previous programme25.
AV / Source selection26.
Menu on-off27.
Okay / Select / Hold (in TXT mode) /Channel 28.
List
Exit29.
No function30.
Info / Reveal (in TXT mode)31.
Volume Up / Down32.
No function33.
No function34.
Rapid advance (in Media Browser mode)35.
Stop (in Media Browser mode)36.
Blue button37.
Yellow button: Activates channel list38.
10
Operation Manual (Continued)
LCD TV and Operating Buttons
FRONT and REAR VIEWControl buttons VIEWControl Buttons
buttons
Volume Up/Down buttons4.
The Power-switch is used for 5.
turning the TV “Off” or into
“Standby-Mode”
Viewing the Connections- Back Connectors
Note: Press “
buttons at the same time to view
main menu.
” and
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EXT 21. inputs or outputs for external devices.
EXT 12. inputs or outputs for external devices. Connect the SCART cable between SCART socket on the
TV and SCART socket on your external device (such as a decoder, a VCR or a DVD player).
Note: If an external device is connected via the SCART socket, the TV will automatically switch to AV
mode.
Note: SCART cable not supplied.
Component Video Inputs (YPbPr)3. are used for connecting component video.
You can connect the component video and audio sockets with a device that has component output.
Connect the component video cables between the COMPONENT VIDEO INPUTS on on the TV and
the component video outputs of your device. While connecting, be sure that the letters on your TV, “Y”,
“Pb”, “Pr” correspond with your device’s connectors.
English - 11 -
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Operation Manual (Continued)
PC/YPbPr Audio Inputs4. are used for connecting audio signals of a PC or a device that connects to the
TV via YPbPr. Connect the PC audio cable between the AUDIO INPUTS on the TV and audio output
of your PC to enable PC audio. Connect the audio cable between AUDIO INPUTS on the TV and audio
outputs of your device to enable component audio.
Subwoofer Out5. is for connecting an external, active subwoofer to the set to give a much deeper bass
effect. Use an appropriate RCA cable to connect the set to a subwoofer unit.
S/PDIF Digital Out6. outputs digital audio signals of the currently watched source.
Use a digital optic cable to transfer audio signals to a device that has S/PDIF input.
RF Input7. connects to an aerial or cable system.
Note that if you use a decoder or a media recorder, you should connect the aerial cable through the
device to the television with an appropriate antenna cable, as shown in the illustration in the following
pages.
HDMI Inputs are for connecting a device that has an HDMI socket. Your LCD TV is capable of
displaying High De nition pictures from devices such as a High De nition Satellite Receiver or DVD
Player. These devices must be connected via the HDMI sockets or Component Socket. These sockets
can accept either 720p or 1080p (optional) signals. No sound connection is needed for an HDMI to
HDMI connection.
PC Input11. is for connecting a personal computer to the TV set.
Connect the PC cable between the PC INPUT on the TV and the PC output on your PC
Ethernet input (for service).12.
Viewing the Connections - Side Connectors
CI Slot is used for inserting a CI card. A CI card allows you to view all the channels that you subscribe 1.
to. For more information, see “Conditional Access” section.
USB Inputs. 2.
Note that programme recording feature is available via these USB inputs. You can connect external
hard disk drives to this input.
Side HDMI Input (HDMI 4) is for connecting a device that has an HDMI socket.3.
Headphone jack is used for connecting an external headphone to the system. Connect 4.
to the HEADPHONE jack to listen to the TV from headphones (optional).
Side audio-video connection5. input is used for connecting video and audio signals
of external devices. To make a video connection, you must use the supplied AV
connection cable for enabling connection. First, plug singular jack of the cable to the
TV’s Side AV socket. Afterwards, insert your video cable’s (not supplied) connector into
the YELLOW input (located on the plural side) of the supplied AV connection cable.
Colours of the connected jacks should match.
To enable audio connection, you must use RED and WHITE inputs of the side AV
connection cable. Afterwards, insert your device’s audio cable’s connectors into
the RED and WHITE jack of the supplied side AV connection cable. Colours of the
connected jacks should match.
Note: You should use audio inputs of side AV connection cable (RED & WHITE)
to enable sound connection when connecting a device to your TV by using PC or
COMPONENT VIDEO input.
12
Operation Manual (Continued)
(Tera Byte) or more le capacity, you can experience
it is recommended that you rst format the disk using
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Power Connection
IMPORTANT: The TV set is designed to operate on
220-240V AC, 50 Hz socket.
After unpacking, allow the TV set to reach the •
ambient room temperature before you connect the
set to the mains.
Plug the power cable to the mains socket outlet.•
Antenna Connection
Aerial Connection
Connect the aerial TV plug to the AERIAL INPUT •
socket located at the rear of the TV.
Using USB Inputs
USB Connection
You can connect a USB hard disk drive or USB •
memory stick to your TV by using the USB inputs
of the TV. This feature allows you to play les stored
in a USB drive or record programmes.
2.5” and 3.5” inch (hdd with external power supply) •
external hard disk drives are supported.
To record a programme, you should rst connect •
a USB disk to your TV while the TV is switched
off. You should then switch on the TV to enable
recording feature. Otherwise, recording feature will
not be available.
IMPORTANT !
You should back up your les before making any •
connections to the TV set in order to avoid any
possible data loss. Note that manufacturer will not
be responsible for any le damage or dataloss.
It is possible that certain types of USB devices (e.g. •
MP3 Players) or USB hard disk drives/memory sticks
may not be compatible with this TV.
IMPORTANT: The TV supports only FAT32 disk
formatting. NTFS format is not supported. If you
connect a USB disk with NTFS format, the TV will ask
you to format the content. See the section, “Format
Disk” in the following pages for more information on
disk formatting.
Note that ALL the data stored on the USB disk will
be lost and then the disk format will be converted to
FAT32 in such a case.
USB Disk Connection
• Plug your USB device to the USB input of the TV.
Note: Plug or unplug your USB disk while the TV is
switched off.
Note: If you are going to connect a USB hard disk
drive to the TV set, USB connection cable used
between the disk drive and the TV should have a USB
logo and should be as short as possible.
Note: While formatting a USB hard disk that has 1TB
problems with the formatting process. In such a
case, you should format the disk with your personal
computer and the formatted disk type should be
FAT32.
SIDE VIEW USB MEMORY
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CAUTION !
Quickly plugging and unplugging USB devices, •
is a very hazardous operation. Especially, do not
repeatedly quickly plug and unplug the drive. This
may cause physical damage to the USB player and
especially the USB device itself.
Do not pull out USB module while playing or •
recording a le.
Programme Recording
To record a programme, you should rst connect a
USB disk to your TV while the TV is switched off.
You should then switch on the TV to enable recording
feature.
IMPORTANT: When using a new USB hard disk drive,
your TV’s “Format Disk” option.
To use the recording function a USB 2.0 certi ed •
device of at least 1GB should be used, If the
connected USB device is not USB 2.0 an error
message will be displayed.
Recorded programmes are saved into the connected •
USB disk in .TS format (MPEG-2 transport stream).
If desirable, you can back up / copy these saved
recordings into a personal computer.
Note: It is possible that recorded broadcasts in
TS format may not be supported by your media
playback software. In such a case, you should install
an appropriate media playback software to your
computer.
An hour of the recordings stored occupies •
approximately 2 GB of space.
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Operation Manual (Continued)
For more information on recording programmes, •
see sections “Instant Recording”, “Timeshifting”,
“Electronic Programme Guide”, “Recordings Library”
or “Recording Timers” in the following parts.
Recorded programmes are stored in the following •
directory of the connected USB disk: \DVR\RECS.
All recordings are indicated with a number (such
as 4801-000.ts). A text (txt) le is created for each
recording. This text le includes information such as
broadcaster, programme, and recording time.
If the writing speed of the connected USB disk is not •
suf cient, recording may fail and timeshifting feaute
may not be available.
Recordings of HD programmes can occupy bigger •
size on the USB disk depending on the broadcast’s
resolution. For this reason it is recommended
to use USB hard disk drives for recording HD
programmes.
Do not plug out the USB/HDD during the recording. •
This may harm the connected USB/HDD.
Only two partitions on a HDD unit can be •
supported.
Some stream packets may not be recorded because •
of signal problems, so sometimes video may freezes
during playback.
Record, Play, Pause, Display (for PlayListDialog) •
keys could not be used when teletext is ON. If a
recording starts from timer when teletext is ON,
teletext is automatically turned off. Also teletext
usage is disabled when there is ongoing recording
or playback.
Note: If the recording time of an event is longer than
the memory capacity, the following message will
appear on the screen: “There is not enough space for
‘event’ but it will be recorded until the drive is full”.
Side HDMI Connection (HDMI 4)
The side HDMI is convenient connection for external
HDMI devices, use an appropriate HDMI cable and
ensure both the TV and external device are switched
off before making the connection. Select HDMI 4 from
the Source list to access this input.
HDMI DEVICE SIDE VIEW
Connecting the LCD TV to a PC
For displaying your computer’s screen image on your
LCD TV, you can connect your computer to the TV set.
Power off both computer and display before making
any connections. Use 15-pin D-sub display cable to
connect a PC to the LCD TV. When the connection
is made, switch to PC source. See “Input selection”
section. Set the resolution that suits your viewing
requirements. Resolution information can be found
in the appendix parts.
14
Operation Manual (Continued)
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Connecting to a DVD Player
If you want to connect a DVD player to your LCD
TV, you can use connectors of the TV set. DVD
players may have different connectors. Please refer
to your DVD player’s instruction book for additional
information. Power off both the TV and the device
before making any connections.
Note: Cables shown in the illustration are not
supplied.
If your DVD player has an HDMI socket, you can •
connect via HDMI. When you connect to DVD player
as illustrated below, switch to HDMI source. See,
“Input Selection” section.
Most DVD players are connected through •
COMPONENT SOCKETS. Use a component video
cable to connect video input. For enabling audio, use
a component audio cable as illustrated below. When
the connection is made, switch to YPbPr source.
See, “Input selection” section.
You may also connect through the SCART 1 or •
SCART 2. Use a SCART cable as shown below.
Note: These three methods of connection perform the
same function but in different levels of quality. It is not
necessary to connect by all three methods.
Using Side AV Connectors
You can connect a range of optional equipment to your
LED TV using side connectors of the TV.
For connecting a camcorder or camera , you should •
use AV socket (side). To do this, you must use the
supplied video/audio connection cable. First, plug
single jack of the cable to the TV’s AV IN socket
(side). Afterwards, insert your camera cable’s (not
supplied) connectors into the plural part of the video/
audio connection cable. Colours of the connected
jacks should match. See illustration below.
Afterwards, you should switch to • S id e AV source. See
the section Input selection in the following sections
for more information.
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To listen the TV sound from headphones, you •
should connect headphones to your TV by using the
HEADPHONE jack as illustrated above.
Using Other Connectors
You can connect a range of optional equipment
to your LCD TV. Possible connections are shown
below. Note that cables shown in the illustration are
not supplied.
For connecting a to a device that has SPDIF support, •
use an appropriate SPDIF cable to enable sound
connection.
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Operation Manual (Continued)
Remote Control Handset
Remove the battery cover located on the back of •
the remote control by gently pulling backwards from
the indicated part.
Insert two • AAA/R3 or equivalent type batteries
inside. Observe the correct polarity (+/-) when
inserting batteries and replace the battery cover.
Note: Remove the battery from remote control when
it is not to be used for a long period. Otherwise it can
be damaged due to any leakage of batteries.
Switching the TV On/Off
To Switch the TV On
Connect the power cord to the 220-240V AC 50 Hz.
Switch the “•
to position “|” so the TV will switch to standby mode.
Then the standby LED lights up.
To switch on the TV from standby mode either:•
Press the “• ” button, P+ / P- or a numeric button
on the remote control.
Press the “•
The TV will then switch on.•
Note : If you switch on your TV via PROGRAMME
UP/DOWN buttons on the remote control or on the
TV set, the programme that you were watching last
will be reselected.
By either method the TV will switch on.
To Switch the TV to Standby
To switch the TV to low power standby press the
“
” button on the remote control or right hand side
of the TV.
Note: When the TV is switched to standby mode,
standby LED can blink to indicate that features such
as Standby Search, Over Air Download or Timer is
active.
” button on the rear left hand side
” or +/- button on the TV.
To Switch the TV Off
Switch the “• ” button bottom right edge under the
screen to position 2 as illustrated,
TV from the mains, the LED will go out.
If the TV will not be used for a long period i.e. •
holidays, then unplug the power cord from the
mains socket.
to isolate the
Digital Teletext (** for UK only)
Press the “• ” button.
The digital teletext information appears.•
Operate it with the coloured buttons, cursor buttons •
and OK button.
The operation method may differ depending on the
contents of the digital teletext.
Follow the instructions displayed on digital teletext
screen.
When Press “• SELECT” button or similar message
appears on the screen, press the OK button.
When the “•
television broadcasting.
With digital terrestrial broadcasting (DVB-T), in •
addition to digital teletext broadcasting together with
the normal broadcasting, there are also channels
with just digital teletext broadcasting.
The aspect ratio (picture shape) when watching •
a channel with just digital teletext broadcasting is
the same as the aspect ratio of the picture viewed
previously.
When you press the “•
teletext screen will be displayed.
” button is pressed, the TV returns to
” button again, the digital
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Specications
TVBROADCASTING
PAL/SECAM B/G D/K K’ I/I’ L/L’
RECEIVINGCHANNELS
VHF (BAND I/III)
UHF(BAND U)
HYPERBAND
NUMBER OFPRESETCHANNELS
10.000
CHANNELINDICATOR
On ScreenDisplay
RFAERIALINPUT
75 Ohm (unbalanced)
OPERATINGVOLTAGE
220-240V AC,50 Hz.
AUDIO OUTPUTPOWER(W
RMS.
) (10%THD)
2 x 6
POWERCONSUMPTION(W)
135 W (max)
< 1 W (Standby)
PANEL
DigitalReception(DVB-T)
Transmission Standards:
DVB-T, MPEG2,DVB-T, MPEG4 HD
i. DEMODULATION
-Symbolrate: COFDM with 2K/8K FFT mode.•
-Modulation: 16-QAM - 64-QAM FEC for all DVB• modes (automatically found)
MHEG-5 ENGINE compliant with ISO/IEC 13522-5•
UKengineProle(UKonly)
Object carouselsupport compliant with ISO/IEC• 135818-6 andUKDTTprole(UKonly)
Frequency range: 474-850 MHz forUK models•
ii.VIDEO
-H.264 (MPEG-4 part10)main and highprole level•
4.1/MPEG-2 MP@HLvideo decoder.
-HD display multi format capable (1080i, 720p,• 576p)
17MB70-2 mainboard is based on Broadcom concept IC. This IC combines DVB-T COFDM
terrestrial and PAL/SECAM demodulators, HDMI receivers, a transport processor, a digital
audio processor, graphics processing, Ethernet MAC and PHY, digital processing of analog
video and audio, analog video digitizer and DAC functions, stereo high-fidelity audio DACs,
a 400-MHz dual-threaded MIP processor, and a peripheral control unit providing a variety of
television control functions. This IC also features an advanced video decoder capable of
supporting high-definition AVC, VC-1, and DVB-T MPEG-2 streams.
• Advanced multiformat decoder supporting the following:
• 3D/2D OpenGL® ES 1.0- compliant graphics core
• Integrated Video Processing:
• Dual HDMI 1.3a receivers
• Extensive audio support:
• Ethernet MAC and PHY
• Integrated DVB-T COFDM terrestrial demodulator:
• Integrated PAL/SECAM Demodulator
• PAL decoder with a 3D/2D comb
• Direct PC input support up to 1600 x 1200 UXGA
• Integrated dual-link LVDS transmitters
• Dual USB 2.0
• A 400-MHz 32-bit MIPS dual CPU with two 32-KB instruction caches
and a combined 64-KB data cache with 128-KB L2 cache
INTRODUCTION
1. INTRODUCTION
Main IC Features:
- H.264/AVC Main and High Profile to Level 4.1 (HD), Level 3.1 (SD)
- HD/SD AVS Jizhun Profile Levels 2.0, 4.0, and 6.0
- VC-1 Advanced Profile @ Level 3, simple and main profiles
- HD/SD MPEG-2 Main Profile at Main and High levels
- MPEG still image decode
- HD DivX® 3.11/4.11/5.x/6x/Home Theater
- 3D Color management
- Digital, Analog, and Mosquito Noise Reduction
- 1080i motion adaptive deinterlacing with 3:2/2:2 pull-down
- True 10-bit video carried through system
- AAC+ Level 2, AAC-HE
- Dolby® Digital, Dolby Digital Plus, Trusurround XT®
- MPEG I layers 1, 2, and 3 (MP3)
- Windows Media® and Windows Media Pro audio
- Audio DACs, input switch, and equalizer
- Standards compliance: ETSI EN 300 744, Nordig Unified v1.0.3, DTG D-Book 5
compliant
- Excellent Doppler performance
- Active impulse noise suppression
20
CIRCUIT DESCRIPTIONS
Sound system output is supplying 2x8W (10%THD) for stereo 8speakers
Supported peripherals are:
1 RF input VHF I, VHF III, UHF @ 75Ohm(Common)
1 Side AV (CVBS, R/L_Audio)
2 SCART socket(Common)
1 YPbPr (Common)
1 Side S-Video(Common)
1 PC input(Common)
4 HDMI 1.3 input(Common)
1 Common interface(Common)
1 Optic S/PDIF output(Common)
1 Stereo audio input for PC(Common)
1 Subwoofer output(Common)
1 Headphone(Common)
2 USB(Common)
1 Bluray/DVD(Optional)
1 Ethernet-RJ45 (Common)
1 External Touchpad(Common)
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2. TUNER
FT 2112/3/8/9 are newly developed Half-NIM modules designed for both digital
(DVB-T / T2 and DTMB for terrestrial China) and analog TV reception in compliance with
the European ATV standards for analogue, as well as with the terrestrial standard ETS 300
744 for DVB-T and the new terrestrial standard ETS 302 755 for DVB-T2. It consists of a 3band RF tuner, which receives RF signal and down-converts it to an IF frequency of 36MHz
for digital and 38.9MHz for analog IF. The analogue IF output can directly drive a SAW
filter. A digital IF Stage, which consists of one SAW filter & gain-controllable IF that offers a
sufficient output level to be connected directly to an A/D converter.
In active antenna option, the following circuit are used. ANT_CTRL pin is controlled by
microcontroller. If ANT_CTRL is low, ANT_PWR will be low. If ANT_CTRL is high,
ANT_PWR will be high. OVER_CUR_DETECT pin is a monitor for short circuit in antenna.
OVER_CUR_DETECT is low, ANT_CTRL will be low, so ANT_PWR will be low. Finally,
short circuit protection is done by circuits and microcontroller.
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Active Antenna Circuit
1.1. Features of FT2112
• Digital DVB-T T2, DTMB & analogue (48.25MHz to 863.25MHz) reception
• Single 5V supply voltage only
• Built-in 5-33V DC-DC converter
• Single power supply to the RF tuner & IF VGA amplifier section
• Bus Control switch-able RF AGC function:
a) Wide Band AGC for optimum strong signal performance
b) Conventional AGC for optimum analog reception
• RF AGC information via I2C Bus
• Tuner power standby mode via I2C Bus
• Small size (56 mm x 29 mm x 10 mm)
• I2C (SDA & SCL) bus control interface
• ROHS compliant
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1.2.Tuner Pinning
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3. AUDIO AMPLIFIER STAGES
A. MAIN AMPLIFIER (TPA3110)
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a. General Description
17MB70 uses TPA 3110 15-W filter-free stereo Class-D audio power amplifier for main
audio output. The TPA3110D2 is a 15-W (per channel) efficient, Class-D audio power
amplifier for driving bridged-tied stereo speakers. Advanced EMI Suppression Technology
enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC
requirements. SpeakerGuard™ speaker protection circuitry includes an adjustable power
limiter and a DC detection circuit. The adjustable power limiter allows the user to set a
"virtual" voltage rail lower than the chip supply to limit the amount of current through the
speaker. The DC detect circuit measures the frequency and amplitude of the PWM signal and
shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs.
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The TPA3110D2 can drive stereo speakers as low as 4 y of the
TPA3110D2, 90%, eliminates the need for an external heat sink when playing music. The
outputs are also fully protected against shorts to GND, VCC, and output-to-output. The shortcircuit protection and thermal protection includes an auto-recovery feature.
• 15-W/ch into an 8--V Supply
• 10-W/ch into 8- 13-V Supply
• 30-W into a 4--V Supply
• 90% Efficient Class-D Operation Eliminates Need for Heat Sinks
• Wide Supply Voltage Range Allows Operation from 8 V to 26 V
b. Features
• Filter-Free Operation
• SpeakerGuard™ Speaker Protection Includes Adjustable Power Limiter plus DC Protection
• Flow Through Pin Out Facilitates Easy Board Layout
• Robust Pin-to-Pin Short Circuit Protection and Thermal Protection with AutoRecovery
Option
• Excellent THD+N / Pop-Free Performance
• Four Selectable, Fixed Gain Settings
• Differential Inputs
c. Absolute Ratings
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d. Recommended Operating Conditions
e. Pin Functions
.
PIN
I/O/P
NAME
Pin
Number
SD1I
FAULT2O
LINP3IPositive audio input for left channel. Biased at 3V.
LINN4INegative audio input for left channel. Biased at 3V.
GAIN05IGain select least significant bit. TTL logic levels with compliance to AVCC.
GAIN16IGain select most significant bit. TTL logic levels with compliance to AVCC.
AVCC7PAnalog supply
AGND8Analog signal ground. Connect to the thermal pad.
GVDD9O
PLIMIT10I
RINN11INegative audio input for right channel. Biased at 3V.
RINP12IPositive audio input for right channel. Biased at 3V.
NC13Not connected
PBTL14IParallel BTL mode switch
PVCCR15P
PVCCR16P
BSPR17IBootstrap I/O for right channel, positive high-side FET.
OUTPR18OClass-D H-bridge positive output for right channel.
PGND19Power ground for the H-bridges.
OUTNR20OClass-D H-bridge negative output for right channel.
BSNR21IBootstrap I/O for right channel, negative high-side FET.
BSNL22IBootstrap I/O for left channel, negative high-side FET.
OUTNL23OClass-D H-bridge negative output for left channel.
PGND
24PowergroundfortheH-bridges.
OUTPL25OClass-D H-bridge positive output for left channel.
BSPL26IBootstrap I/O for left channel, positive high-side FET.
FAULT pin to SD pin. Otherwise, both short circuit faults and dc detect faults must
be reset by cycling PVCC.
High-side FET gate drive supply. Nominal voltage is 7V. Also should be used as
supply for PLIMIT function
Power limit level adjust. Connect a resistor divider from GVDD to GND to set
power limit. Connect directly to GVDD for no power limit.
Power supply for right channel H-bridge. Right channel and left channel power
supply inputs are connect internally.
Power supply for right channel H-bridge. Right channel and left channel power
supply inputs are connect internally.
Power supply for left channel H-bridge. Right channel and left channel power
supply inputs are connect internally.
Power supply for left channel H-bridge. Right channel and left channel power
supply
inputsareconnectinternally.
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B. LINE-OUT and HEAD-PHONE AMPLIFIER STAGE (CXA3813N)
a. Functional Block Diagram
b. Absolute Ratings
c. Recommended Operating Conditions
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d. Pin Functions
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C. SUBWOOFER AMPLIFIER STAGE (TPA3112)
a. General Description
The TPA3112D1 is a 25-W efficient, Class-D audio power amplifier for driving a bridge tied
speaker. Advanced EMI Suppression Technology enables the use of inexpensive ferrite bead
filters at the outputs while meeting EMC requirements. SpeakerGuard speaker protection
system includes an adjustable power limiter and a DC detection circuit. The adjustable power
limiter allows the user to set a "virtual" voltage rail lower than the chip supply to limit the
amount of current through the speaker. The DC detect circuit measures the frequency and
amplitude of the PWM signal and shuts off the output stage if the input capacitors are
damaged or shorts exist on the inputs. The TPA3112D1 can drive a mono speaker as low as
4 eliminates the need for an external heat
sink when playing music. The outputs are fully protected against shorts to GND, VCC, and
output-to-output. The short-circuit protection and thermal protection includes an autorecovery feature.
b. Features
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• 25-W into an 8-
• 20-W into an 4-at 10% THD+N From a12-V Supply
• 94% Efficient Class-D Operation into 8-
• Wide Supply Voltage Range Allows Operationfrom 8 to 26 V
• Filter-Free Operation
• SpeakerGuard™ Speaker Protection IncludesAdjustable Power Limiter plus DC Protection
• Flow Through Pin Out Facilitates Easy BoardLayout
• Robust Pin-to-Pin Short Circuit Protection andThermal Protection with Auto-Recovery
Option
• Excellent THD+N/ Pop Free Performance
• Four Selectable, Fixed Gain Settings
• Differential Inputs
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c. Absolute Ratings
d. Recommended Operating Conditions
e. Pin Functions
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4. POWER STAGE
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17MB70 general power managment
block diagram is shown below.
17PW26 power board is used in 32”
17MB70 TV sets.
3,3V stby, 5V stby, 3,3V, 5V, 12V,
24V and 33V can be generated by
PW26.
29
Below blocks are generated by stepdowns and regulators on MB70
board.
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Power Blocks on MB70:
Below blocks are generated by step-downs and regulators on MB70 board.
Switching Node. Junction of high-side and low-side MOSFETs.
Power Input Voltage. Connect to the main input power source.
Power Ground. Power return and Q2 source.
High-Side Drive BOOT Voltage. Connect through capacitor (C
includes an internal synchronous bootstrap diode to recharge the capacitor on this pin to
V
when SW is LOW.
CC
Power-Good Flag. An open-drain output that pulls LOW when FB is outside the limits
specified in electrical specs. PGOOD does not assert HIGH until the fault latch is enabled.
ENABLE. Enables operation when pulled to logic HIGH or left open. Toggling EN resets the
regulator after a latched fault condition. This input has an internal pull-up when the IC is
functioning normally. When a latched fault occurs, EN is discharged by a current sink.
Input Bias Supply for IC. The IC’s logic and analog circuitry are powered from this pin.
This pin should be decoupled to AGND through a >1µF X5R/X7R capacitor.
Analog Ground. The signal ground for the IC. All internal control voltages are referred to
this pin. Tie this pin to the ground island/plane through the lowest impedance connection.
Current Limit. A resistor (R
limit trip threshold lower than the default setting.
Oscillator Frequency. A resistor (R
frequency.
Output Voltage Feedback. Connect through a resistor divider to the output voltage.
Compensation. Error amplifier output. Connect the external compensation network
between this pin and FB.
No Connect. This pin is not used.
Ramp Amplitude. A resistor (R
amplitude and provides voltage feedforward functionality.
) to SW. The IC
BOOT
) from this pin to AGND can be used to program the current-
ILIM
) from this pin to AGND sets the PWM switching
T
) connected from this pin to VIN sets the ramp
RAMP
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Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device
reliability. The absolute maximum ratings are stress ratings only.
Parameter Conditions Min. Max. Unit
VIN to PGND 28V
VCC to AGND AGND = PGND 6 V
BOOT to PGND 35V
BOOT to SW -0.3 6.0 V
SW to PGND
All other pins -0.3 VCC+0.3 V
ESD
Continuous -0.5 24.0
Transient (t < 20ns, f <
Human Body Model, JEDEC JESD22-A114 2.0
Charged Device Model, JEDEC JESD22-C101 2.5
600KHz) -5.0 30.0
V
kV
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol Parameter Conditions Min. Typ. Max. Unit
VCC Bias Voltage VCC to AGND 4.5 5.0 5.5 V
VIN Supply Voltage VIN to PGND 3 24 V
TA Ambient Temperature
TJ Junction Temperature +125 °C
fSW Switching Frequency 200 600 KHz
FAN2106MPX -10 +85
FAN2106EMPX -40 +85
°C
Thermal Information
Symbol Parameter Min. Typ. Max. Unit
T
Storage Temperature -65 +150 °C
STG
TL Lead Soldering Temperature, 10 Seconds +300 °C
P1 (Q2) 4
JC
J-PCB
PD Power Dissipation, TA = 25°C 2.8
Note:
1. Typical thermal resistance when mounted on a four-layer, two-ounce PCB, as shown in Figure 26. Actual results
are dependent on mounting method and surface related to the design.
The MP1583 is a step-down regulator with abuilt-in internal Power MOSFET. It achieves 3A
of continuous output current over a wide input supply range with excellent load and line
regulation.
Current mode operation provides fast transient response and eases loop stabilization.
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Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. An
adjustable soft-start reduces the stress on the input source at startup. In shutdown mode the
regulator draws 20µA of supply current. The MP1583 requires a minimum number of
external components, providing a compact solution.
FEATURES
• 3A Output Current
• Programmable Soft-Start
• 100m
• Stable with Low ESR Output Ceramic Capacitors
• Up to 95% Efficiency
• 20µA Shutdown Mode
• Fixed 385KHz Frequency
• Thermal Shutdown
• Cycle-by-Cycle Over Current Protection
• Wide 4.75V to 23V Operating Input Range
• Output Adjustable from 1.22V to 21V
• Under-Voltage Lockout
MP2012 (U39)
The MP2012 is a fully integrated, internally compensated 1.2MHz fixed frequency PWM
step-down converter. It is ideal for powering portable equipment that runs from a single cell
Lithium-Ion (Li+) Battery, with an input range from 2.7V to 6V. The MP2012 can provide up
to 1.5A of load current with output voltage as low as 0.8V. It can also operate at 100% duty
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cycle for low dropout applications. With peak current mode control and internal
compensation, the MP2012 is stable with ceramic capacitors and small inductors. Fault
condition protection includes cycle-by-cycle current limiting and thermal shutdown. MP2012
is available in the small 6-pin 3mmx3mm QFN package.
2.7-6V Input Operation Range
Output Adjustable from 0.8V to VIN
Up to 95% Efficiency
100% Duty Cycle for Low Dropout Applications
1.2MHz Fixed Switching Frequency
Stable with Low ESR Output Ceramic Capacitors
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Short Circuit Protection
Available in 6-pin 3x3mm QFN
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LM1117 (U21-U22-U23-U24)
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BCM3556
The BCM3556 is the next generation of System-on-a-Chip (SoC) Digital Television (DTV)
products from Broadcom® with 1080p60 input and output capability targetedfor the EU
Market. It combines a high level of integration with best-of-class picture quality, enabling TV
manufacturers to reduce overall system cost (BOM) and improve picture quality, all with a
single SoC.
The BCM3556 combines DVB-T COFDM terrestrial and PAL/SECAM demodulators, two
DVI/HDMI receivers, a transport processor, a digital audio processor, 3D/2D graphics
processing, Ethernet MAC and PHY, digital processing of analog video and audio, analog
video digitizer and DAC functions, stereo high-fidelity audio DACs, a 400-MHz dualthreaded MIPS processor, and a peripheral control unit providing a variety of television
control functions. The BCM3556 also features an advanced video decoder
capable of supporting high-definition AVC, VC-1, and DVB-T MPEG-2 streams.
5. MICROCONTROLLER(Broadcom)
a) General Description
The integration of the DVB-T COFDM terrestrial demodulator reduces the overall cost of the
external tuner module, resulting in cost savings for the customer. The BCM3556also
integrates four 10-bit ADCs with integrated front-end analog muxing that accept four CVBS
inputs, three S-video inputs, three component inputs, one PC input, one full SCART input
with fast blanking, and one Sound IF (SIF) input at the same time without the requirement for
any off-chip muxing ICs. The BCM3556 offers two HDMI 1.3a receivers, a motion adaptive
deinterlacer, HD Analog Noise Reduction, and an analog video decoder with 3D comb for
PAL and Y/C separation for SECAM.
The multiformat video decoder in the BCM3556 is capable of supporting high-definition
AVC, VC-1, and DVB-T MPEG-2 streams. AVC support is up to High Profile Level 4.1.
New tools in the AVC Fidelity Range extensions are supported, including 8x8 transform and
spatial prediction modes and adaptive quantization matrix. The video decoder also supports
high-definition VC-1 (Advanced Profile Level 3, Main, and Simple profiles) and DVBTcompliant MPEG-2, Main Profile at Main and High Levels. The BCM3556 has an advanced
programmable audio processor capable of decoding a broad range of formats including Dolby
Digital, Dolby Digital Plus, AAC 5.1, AAC+ Level 2, AAC+ Level 4, WMA, and MPEG-1
Layer 1, 2, and 3 with simultaneous pass-through support.
The BCM3556 also supports 3D SRS Audio and includes an analog audio decoder for BTSC
and A2 formats. The BCM3556 also integrates an analog audio switch that accepts six stereo
inputs. In addition, the SoC supports SPDIF and I2S inputs. One SPDIF, two I2S, and three
analog audio outputs are available.
The SoC family also has an integrated advanced Picture Enhancement Processor (PEP) to
improve sharpening and perform picture post-processing functions (e.g., autoflesh, green
boost, black and blue stretch). The PEP engine is fully programmable and can be optimized
by the TV manufacturer to meet their respective quality requirements. Also integrated is a
video encoder for NTSC and an advanced 2D/3D graphics for OSD acceleration.
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The BCM3556 supports direct PC inputs up to UXGA 1600x1200 formats with autophase
and automode detection and supports dual LVDS outputs to support 1080p60 panels.
The BCM3556 integrates a 400-MHz 32-bit MIPS dual CPU with two 32-KB
instructioncaches and a combined 64-KB data cache with a 128-KB L2 cache, and a 32-bit
800/1066-MHz DDR2. The BCM3556 also supports an 8-bit external NAND Flash interface
and SPI Flash interface for booting. Integrated peripherals include two USB2.0 ports, three
UARTs, controllers for SPI, BSC, keypad, LED and IR Tx/Rx, and an Ethernet port with
MAC and integrated PHY.
The BCM3556 is available in several package options: WXGA and FHD, PIP and non-PIP, or
MPEG-only and combined AVC/MPEG-2.
b) Features
• Advanced multiformat decoder supporting the following:
- H.264/AVC Main and High Profile to Level 4.1 (HD), Level 3.1 (SD)
- HD/SD AVS Jizhun Profile Levels 2.0, 4.0, and 6.0
- VC-1 Advanced Profile @ Level 3, simple and main profiles
- HD/SD MPEG-2 Main Profile at Main and High levels
- MPEG still image decode
- HD DivX® 3.11/4.11/5.x/6x/Home Theater
• 3D/2D OpenGL® ES 1.0- compliant graphics core
• Integrated Video Processing:
- 3D Color management
- Digital, Analog, and Mosquito Noise Reduction
- 1080i motion adaptive deinterlacing with 3:2/2:2 pull-down
- True 10-bit video carried through system
• Dual HDMI 1.3a receivers
• Extensive audio support:
- AAC+ Level 2, AAC-HE
- Dolby® Digital, Dolby Digital Plus, Trusurround XT®
- MPEG I layers 1, 2, and 3 (MP3)
- Windows Media® and Windows Media Pro audio
- Audio DACs, input switch, and equalizer
• Ethernet MAC and PHY
• Integrated DVB-T COFDM terrestrial demodulator:
- Standards compliance: ETSI EN 300 744, Nordig Unified v1.0.3, DTG D-Book 5
compliant
- Excellent Doppler performance
- Active impulse noise suppression
• Integrated PAL/SECAM Demodulator
• PAL decoder with a 3D/2D comb
• Direct PC input support up to 1600 x 1200 UXGA
• Integrated dual-link LVDS transmitters
• Dual USB 2.0
• A 400-MHz 32-bit MIPS dual CPU with two 32-KB instruction caches and a combined 64
KB data cache with 128-KB L2 cache
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c) BCM3556 - Block Diagram
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6. VIDEO BACK-END PROCESSOR (Trident)
PNX5120EH
a) General Description
The PNX5120EH is an advanced video picture improvement IC and the world's first solution,
NXP’s Motion Accurate Picture Processing (MAPP), to combine movie judder cancellation,
motion sharpness and vivid color management in a single device. Aimed primarily at digital
and hybrid flat panel televisions in the mid-end and high-end European,Asian and U.S.
consumer markets, it complies with relevant industry standards.LCD TVs represent a huge
and growing market, and the PNX5120EH offers manufacturers a unique combination of
richer color, dynamic motion, sensational sharpness, deep contrast, and full HD resolution.
Moreover, you can easily tailor that balance via the Automatic Picture Control tool (delivered
by NXP as part of a separate System Design-in Toolkit) to meet your own image quality
requirements.
Separately licensed, the PNX5120EH comes with an easy-to-use System Design-in
Toolkit (SDT), which includes the NXP Picture Quality Tuning Tool, firmware image
containing the NXP proprietary Picture Improvement features, and GPL-licensed UBoot Bootloader software.
DDR2-400 to DDR2-800 data rates supported
PCI/XIO (V2.2) operating at 33 MHz
Two UARTs
Two I2C DMA interfaces (100 kHz/400 kHz); the second I2C can be used as a
debugging interface
16 GPIO pins
Five PWM outputs
Support for 8-bit NOR flash up to 64 MB
Support for 8-bit/16-bit NAND flash up to 128 MB
c) PNX5120EH - Block Diagram
39
LC-32LE511
LC-40LE511
LC-40LE531
7. FPGA (Spartan-3E)
XC3S1200E
a) General Description
The Spartan™-3E family of Field-Programmable Gate Arrays (FPGAs) is specifically
designed to meet the needs of high volume, cost-sensitive consumer electronic applications.
The five-member family offers densities ranging from 100,000 to 1.6 million system gates,
40
The Spartan-3E family builds on the success of the earlier Spartan-3 family by increasing the
amount of logic per I/O, significantly reducing the cost per logic cell. New features
improve system performance and reduce the cost of configuration. These Spartan-3E
enhancements, combined with advanced 90 nm process technology, deliver more
functionality and bandwidth per dollar than was previously possible, setting new standards in
the programmable logic industry. Because of their exceptionally low cost, Spartan-3E FPGAs
are ideally suited to a wide range of consumer electronics applications, including broadband
access, home networking, display/projection, and digital television equipment. The Spartan3E family is a superior alternative to mask programmed ASICs. FPGAs avoid the high initial
cost, the lengthy development cycles, and the inherent inflexibility of conventional ASICs.
Also, FPGA programmability permits design upgrades in the field with no hardware
replacement necessary, an impossibility with ASICs.
b) Features
LC-32LE511
LC-40LE511
LC-40LE531
• Very low cost, high-performance logic solution for high-volume, consumer-oriented
applications
• Bi-directional Differential Data-Strobe (Single-ended data-strobe is an optional feature)
• Off-Chip Driver(OCD) Impedance Adjustment
• On Die Termination
• Special Function Support
- PASR(Partial Array Self Refresh)
- 50ohm ODT
- High Temperature Self-Refresh rate enable
• Average Refresh Period 7.8us at lower than TCASE 85°C, 3.9us at 85°C < TCASE < 95 °C
• All of products are Lead-free, Halogen-free, and RoHS compliant
The 1Gb DDR2 SDRAM is organized as a 16Mbit x 8 I/Os x 8 banks, 8Mbit x 16 I/Os x 8
banks device. This synchronous device achieves high speed double-data-rate transfer rates of
up to 1066Mb/sec/pin (DDR2-1066) for general applications.
The chip is designed to comply with the following key DDR2 SDRAM features such as
posted CAS with additive latency, write latency = read latency - 1, Off-Chip Driver(OCD)
impedance adjustment and On Die Termination. All of the control and address inputs are
synchronized with a pair of externally supplied differential clocks. Inputs are latched at the
crosspoint of differential clocks (CK rising and CK falling). All I/Os are synchronized with a
pair of bidirectional strobes (DQS and DQS) in a source synchronous fashion. The address
42
bus is used to convey row, column, and bank address information in a RAS/CAS
multiplexing style. For example, 1Gb(x8) device receive 14/10/3 addressing.
The 1Gb DDR2 device operates with a single 1.8V ± 0.1V power supply and 1.8V ± 0.1V
VDDQ.
The 1Gb DDR2 device is available in 60ball FBGA(x8) and 84ball FBGA(x16).
The EM68B16C is a high-speed CMOS Double-Data-Rate-Two (DDR2), synchronous
dynamic random-access memory (SDRAM) containing 512 Mbits in a 16-bit wide data I/Os.
It is internally configured as a quad bank DRAM, 4 banks x 8Mb addresses x 16 I/Os The
device is designed to comply with DDR2 DRAM key features such as posted CAS# with
additive latency, Write latency = Read latency -1, Off-Chip Driver (OCD) impedance
adjustment, and On Die Termination(ODT). All of the control and address inputs are
synchronized with a pair of externally supplied differential clocks. Inputs are latched at the
cross point of differential clocks (CK rising and CK# falling) All I/Os are synchronized with a
pair of bidirectional strobes (DQS and DQS#) in a source synchronous fashion. The address
bus is used to convey row, column, and bank address information in RAS #, CAS#
multiplexing style. Accesses begin with the registration of a Bank Activate command, and
then it is followed by a Read or Write command. Read and write accesses to the DDR2
SDRAM are 4 or 8-bit burst oriented; accesses start at a selected location and continue for a
programmed number of locations in a programmed sequence. Operating the four memory
banks in an interleaved fashion allows random access operation to occur at a higher rate than
is possible with standard DRAMs. An auto precharge function may be enabled to provide a
self-timed row precharge that is initiated at the end of the burst sequence. A sequential and
gapless data rate is possible depending on burst length, CAS# latency, and speed grade of the
device.
b) Pinning
LC-32LE511
LC-40LE511
LC-40LE531
LC-32LE511
LC-40LE511
LC-40LE531
45
LC-32LE511
LC-40LE511
LC-40LE531
ST NAND04G-B2D
10.4Gbit NAND Flash Memory (U35)
a) Key Features
– Up to 8 Gbit memory array
– Cost-effective solution for mass storage
applications
– x8 or 16x bus width
– Multiplexed address/data
– x8 device: (2048 + 64 spare) bytes
– x16 device: (1024 + 32 spare) words
– x8 device: (128K + 4 K spare) bytes
– x16 device: (64K + 2 K spare) words
– Array split into two independent planes
– Program/erase operations can be
performed on both planes at the same time
– Random access: 25 µs (max)
– Sequential access: 25 ns (min)
– Page program time: 200 µs (typ)
– Multiplane page program time (2 pages):
200 µs (typ)
detection code (EDC)
– Block erase time: 1.5 ms (typ)
– Multiblock erase time (2 blocks):
1.5 ms (typ)
– Up to 8 Gbit memory array
– Cost-effective solution for mass storage
applications
face
– x8 or 16x bus width
– Multiplexed address/data
– x8 device: (2048 + 64 spare) bytes
– x16 device: (1024 + 32 spare) words
– x8 device: (128K + 4 K spare) bytes
– x16 device: (64K + 2 K spare) words
– Array split into two independent planes
– Program/erase operations can be
performed on both planes at the same time
– Random access: 25 µs (max)
– Sequential access: 25 ns (min)
– Page program time: 200 µs (typ)
– Multiplane page program time (2 pages):
200 µs (typ)
detection code (EDC)
– Block erase time: 1.5 ms (typ)
– Multiblock erase time (2 blocks):
1.5 ms (typ)
n
46
b) Pinning
LC-32LE511
LC-40LE511
LC-40LE531
LC-32LE511
LC-40LE511
LC-40LE531
47
LC-32LE511
LC-40LE511
LC-40LE531
11.128Mbit NAND Flash Memory (U17)
ST NAND128-A
a) Key Features
MEMORIES
– Up to 1 Gbit memory array
– Up to 32 Mbit spare area
– Cost effective solutions for mass storage
applications
– x8 or x16 bus width
– Multiplexed Address/ Data
– Pinout compatibility for all densities
– 1.8V device: VDD = 1.7 to 1.95V
– 3.0V device: VDD = 2.7 to 3.6V
– x8 device: (512 + 16 spare) Bytes
– x16 device: (256 + 8 spare) Words
– x8 device: (16K + 512 spare) Bytes
– x16 device: (8K + 256 spare) Words
– Random access: 12µs (max)
– Sequential access: 50ns (min)
– Page program time: 200µs (typ)
– Fast page copy without external
buffering
– Block erase time: 2ms (Typ)
OPTION
– Simple interface with microcontroller
– Program/Erase locked during Power
Transitions
– 100,000 Program/Erase cycles
– 10 years Data Retention
– Lead-Free Components are Compliant
with the RoHS Directive
– Error Correction Code software and
hardware models
– Bad Blocks Management and Wear
Leveling algorithms
– File System OS Native reference
software
– Hardware simulation models
USB ports are directly connected concept IC, BCM 3556.
USB ciecuit has 2 main parts:
Protection IC (U4)
Over Curent Protection IC (U108-U109)
AI07559B
49
LC-32LE511
LC-40LE511
LC-40LE531
17MB70 Digital CI ve Smart Card Interface Block diagram:
13.CI Interface
14.DVB-C/T2 Demodulator
Sony CXD2820R
a) Key Features
DESCRIPTION
The Sony CXD2820R is a combined DVB-T2, DVB-T and DVB-C demodulator that
conforms to the ETSI EN 302-755 (second generation Terrestrial) ETSI EN 300-744
(Terrestrial) and ETSI EN 300-429 (Cable) standards.
The CXD2820R is a DVB-T2 demodulator offering class-leading performance, optimised
BOM requiring no external memory and low processor overhead. It includes a highly
integrated dual-core DVB-T and DVB-C demodulator which complies with all relevant
European performance standards.
FEATURES DVB-T2
• Supports all DVB-T2 modes, including
• Single and multiple-PLPs
• SISO and MISO transmission
• Simple API
• Fully-automatic acquisition
• Fully-automatic L1-signalling decoding
• Automatic guard-interval detection
• Automatically-calculated constant-rate TS output (using L1
signalling and ISSY)
• Acquisition range ±857kHz
50
• Stream processor for automatic common- and data-PLP combination
• Null-packet insertion
• Access to channel echo profile and constellation via I2C
FEATURES DVB-C
• Wide symbol range, 0.7 to 7.2Msym/s
• Integrated matched filter 0.15 roll-off factor
• Auto Acquisition controller with fast re-acquisition mode, 15ms typ.
• Programmable acquisition range ±500kHz
• 2.8us echo cancellation at 7.2Msym/s
• Low impl. loss 0.4dB @ 64QAM and <1.0dB @ 256QAM typ.
• Enhanced channel scanning performance through improved rejection of non-digital signals
• Access to channel SNR, constellation data and dynamic equaliser tap values via I2C
APPLICATIONS
• Set Top Boxes
• IDTV with Digital only or Hybrid Tuner Support
• PC TV
• PVRs and recordable DVD players
• Test equipment
LC-32LE511
LC-40LE511
LC-40LE531
LC-32LE511
LC-40LE511
LC-40LE531
GENERAL FEATURES
• Single, 41MHz crystal (can be shared with CXD2813R analogue demod IC)
• High performance differential signal ADC
• RF power level monitor ADC
• Low IF and high IF (36MHz) mode input
• Fast 400kHz I2C compatible bus interface
• Quiet I2C interface for dedicated tuner control
• Automatic IF AGC and optional programmable
RF AGC/GPIO functions
• Configurable parallel and serial MPEG-2 TS outputs with smoothing buffer
• 3.3V, 2.5V, 1.2V supplies
• Temperature range -20°C to +85°C
• 64 pin exposed-pad LQFP 10mm x 10mm package
• Supplied with full reference design, including software driver, PCB schematic/layouts, GUI
and documentation
b) Block Diagram
51
LC-32LE511
LC-40LE511
LC-40LE531
AIN P/
AINM
RFAIN
41MH z
IFA G C/
RFAGC
TUNERCLK
TUNERDAT
12 -bit
ADC
10 -bit
ADC
OSC
PLL
AGC
DV B-T2
Co re
DV B-T
Co re
DVB-C
Co re
LDPC/
BCH
Decoder
Vi terb i/
RS D ecoder
Stre am
Processor
TS
Smoothing
TS IF
I2C IF
TSCLK
TSVALID
TSSYNC
TSERR
TSDATA
SCL
SDA
c) Pinning
52
LC-32LE511
LC-40LE511
LC-40LE531
GPIO01 I/O General purpose I/O
TSERR _GPIO2 2 O
TSSYNC 3 O TS sync flag
TSVALID4 O TS valid flag
TSCLK5 O TS clock output
VSS 6 Digital Ground n/a
CVDD 7
MVDD 8
MVSS 9 Digital Ground n/a
VSS 10 Digital Ground n/a
DVDD 11
TS error flag
General purpose I/O
1.2V digital power
supply
1.2V digital power
supply
3.3V digital power
supply
5V tolerant
Controllable pull-up
5V tolerant
Controllable pull-up
Controllable pull-up
Selectable output current
Controllable pull-up
Selectable output current
Controllable pull-up
Selectable output current
n/a
n/aSupplies memory power
n/a
LC-32LE511
LC-40LE511
LC-40LE531
TSDATA012 O TS data output
TSDATA113 O TS data output
CVDD 14
VSS 15 Digital Ground n/a
TSDATA216 O TS data output
TSDATA317 O TS data output
MVSS 18 Digital Ground n/a
MVDD 19
CVDD 20
VSS 21 Digital Ground n/a
1.2V digital power
supply
1.2V digital power
supply
1.2V digital power
supply
Controllable pull-up
Selectable output current
Controllable pull-up
Selectable output current
n/a
Controllable pull-up
Selectable output current
Controllable pull-up
Selectable output current
n/aSupplies memory power
n/a
53
LC-32LE511
LC-40LE511
LC-40LE531
Name No. I/O Function Equivalent Circuit Note
TSDATA422 O TS data output
TSDATA523 O TS data output
TSDATA624 O TS data output
TSDATA725 O TS data output
VSS 26 Digital Ground n/a
DVDD 27
SCL 28 I I2C clock
SDA 29 I/O I2C data
3.3V digital power
supply
Controllable pull-up
Selectable output current
Controllable pull-up
Selectable output current
Controllable pull-up
Selectable output current
Controllable pull-up
Selectable output current
n/a
5V tolerant
5V tolerant
CVDD 30
VSS 31 Digital Ground n/a
TESTMODE 32 I Test mode setting
A0 33 I
OSCENBN 34 I Oscillator enable
VSS 35 Digital Ground n/a
CVDD 36
RESETN 37 I Hardware reset
OSCMODE 38 I
1.2V digital power
supply
2
I
C slave address
selection
1.2V digital power
supply
3rd overtone crystal
selection
n/a
5V tolerant
1: Test mode
0: Normal mode
5V tolerant
5V tolerant
1: Stop
0: Run
n/a
5V tolerant
5V tolerant
1: fundamental
0: 3rd overtone
MVSS 39 Digital Ground n/a
MVDD 40
MVDD 41 1.2V digital power n/aSupplies memory power
x Four-input, single-output HDMI port processor
x Improved ESD protection on all signals connected to HDMI connector
x Integrated TMDS receiver and transmitter cores capable of receiving and transmitting at
2.25 Gbps:
x InstaPort™ viewing technology
x MHL support
x Supports video resolutions up to 1080p, 60 Hz, 12bit or 720p/1080i, 120 Hz, 12-bit
x Built-in adaptive equalizer provides long cable support even at Deep Color resolutions,
enabling the SiI9287B device to work with noisy signals and many sources, making the sink
devices highly interoperable
x Receiver fully complies with DVI 1.0, HDCP 1.3 and HDMI 1.3a specifications.
57
LC-32LE511
LC-40LE511
LC-40LE531
b) Block Diagram
58
LC-32LE511
LC-40LE511
LC-40LE531
LC-32LE511
LC-40LE511
LC-40LE531
Figure 8. Pin Diagram
59
LC-32LE511
Pin Name
Type
LC-40LE511
LC-40LE531
R0X0P 68
R0X0N 67
R0X1P 70
R0X1N 69
R0X2P 72
R0X2N 71
R0XCP 66
R0XCN 65
R1X0P 4
R1X0N 3
R1X1P 6
R1X1N 5
R1X2P 8
R1X2N 7
R1XCP 2
R1XCN 1
R2X0P 14
R2X0N 13
R2X1P 16
R2X1N 15
R2X2P 18
R2X2N 17
R2XCP 12
R2XCN 11
R3X0P 22
R3X0N 21
R3X1P 24
R3X1N 23
R3X2P 26
R3X2N 25
R3XCP 20
R3XCN 19
DirDescription
TMDS Input TMDS input Port 0 data pair for HDMI and MHL.
TMDS Input TMDS input Port 0 data pairs for HDMI.
TMDS Input TMDS input Port 0 clock pair for HDMI and MHL.
TMDS Input TMDS input Port 1 data pair for HDMI and MHL.
TMDS Input TMDS input Port 1 data pairs for HDMI.
TMDS Input TMDS input Port 1 clock pair for HDMI and MHL.
TMDS Input TMDS input Port 2 data pair for HDMI and MHL.
TMDS Input TMDS input Port 2 data pairs for HDMI.
TMDS Input TMDS input Port 2 clock pair for HDMI and MHL.
TMDS Input TMDS input Port 3 data pair for HDMI and MHL.
TMDS Input TMDS input Port 3 data pairs for HDMI.
TMDS Input TMDS input Port 3 clock pair for HDMI and MHL.
HDMI Transmitter Port Pins
Signal Name Pin
TX0P 60
TX0N 61
TX1P 58
TX1N 59
TX2P 56
TX2N 57
TXCP 62
TXCN 63
TMDS Output HDMI Output Port Data.
TMDS Output HDMI Output Port Clock.
DirDescription
TMDS Low Voltage Differential Signal output data pairs.
TMDS Low Voltage Differential Signal output clock pair.
60
Pin Name
DirDescription
R0X0P 68
R0X0N 67
TMDS Input TMDS input Port 0 data pair forHDMI and MHL.
R0X1P 70
R0X1N 69
R0X2P 72
R0X2N 71
TMDS Input TMDS input Port 0 data pairs forHDMI.
R0XCP 66
R0XCN 65
TMDS Input TMDS input Port 0 clock pair forHDMI and MHL.
R1X0P 4
R1X0N 3
TMDS Input TMDS input Port 1 data pair forHDMI and MHL.
R1X1P 6
R1X1N 5
R1X2P 8
R1X2N 7
TMDS Input TMDS input Port 1 data pairs forHDMI.
R1XCP 2
R1XCN 1
TMDS Input TMDS input Port 1 clock pair forHDMI and MHL.
R2X0P 14
R2X0N 13
TMDS Input TMDS input Port 2 data pair forHDMI and MHL.
R2X1P 16
R2X1N 15
R2X2P 18
R2X2N 17
TMDS Input TMDS input Port 2 data pairs forHDMI.
R2XCP 12
R2XCN 11
TMDS Input TMDS input Port 2 clock pair forHDMI and MHL.
R3X0P 22
R3X0N 21
TMDS Input TMDS input Port 3 data pair forHDMI and MHL.
R3X1P 24
R3X1N 23
R3X2P 26
R3X2N 25
TMDS Input TMDS input Port 3 data pairs forHDMI.
R3XCP 20
R3XCN 19
TMDS Input TMDS input Port 3 clock pair forHDMI and MHL.
HDMI Transmitter Port Pins
Signal Name Pin
Type
DirDescription
TX0P 60
TX0N 61
TX1P 58
TX1N 59
TX2P 56
TX2N 57
TMDS Output HDMI Output Port Data.
TMDSLowVoltageDifferentialSignaloutputdatapairs.
TXCP 62
TXCN 63
TMDS Output HDMI Output Port Clock.
TMDS Low Voltage Differential Signal output clock pair.
Pin Name
Dir
recommended.
Pin Name
Dir
Pin Name
Dir
DSDA0
DSDA1
DSDA2
DSDA3
DSCL0
DSCL1
DSCL2
DSCL3
R0PWR5V
R1PWR5V
R2PWR5V
R3PWR5V
CBUS_HPD0
CBUS_HPD1
CBUS_HPD2
CBUS_HPD3
43
R4PWR5V 49 Power Input 5V Standby power or 5V power from 5th Receiver port.
CSCL 54
CSDA 53
DSCL4 48
DSDA4 47
TPWR_CI2CA 55
RSVDL
RSVDL
INT 52
Type
29
33
39
43
30
34
40
44
32
36
42
46
31
35
41
45
10
28
LVTTL
Schmitt
Open drain
5-V tolerant
Open drain
5-V tolerant
5-V tolerant
Type
Open drain
5-V tolerant
Open drain
5-V tolerant
5-V tolerant
5-V tolerant
5-V tolerant
Open drain
5-V tolerant
Reserved pin —
LVTTL
Schmitt
Power Input 5V Port detection input for respective port.
LVTTL
Schmitt
LVTTL
Schmitt
LVTTL
Schmitt
LVTTL
Schmitt
LVTTL
8 mA
Schmitt
8 mA
2
C Data for respective port.
Input
Output
Input DDC I
Output Hot Plug Detect Output for respective port.
Input Local Configuration/Status I
Input
Output
Input DDC I2C Clock for VGA port.
Input
output
Input
Output
Input
Output
DDC I
These signals are true open drain, and do not pull-down to ground when
power is not applied to the device. These pins require an external pull-up
resistor.
2
C Clock for respective port.
These signals are true open drain, and do not pull-down to ground when
power is not applied to the device. These pins require an external pull-up
resistor.
Connect to 5V signal from HDMI input connector. These signals require a
10 series resistor and at least a 1 PF capacitor to ground. A 100 k pulldown resistor is also required for these signals.
Connect to HOTPLUG of HDMI input connector. In MHL mode, this serves
as the respective port control bus.
If this signal is connected to the VGA cable then it requires a 10 ohm series
resistor and at least a 1 PF capacitor to ground. If connected to a local power
supply the resistor is not needed but a capacitor of at least 1 PF is
2
C Clock.
Chip configuration/status is accessed using this I
open drain, so it does not pull to ground if power is not applied.
Local Configuration/Status I
Chip configuration/status is accessed using this I
open drain, so it does not pull to ground if power is not applied.
These signals are true open drain, and do not pull-down to ground when
power is not applied to the device. This pin requires an external pull-up
resistor.
2
C Data for VGA port.
DDC I
These signals are true open drain, and do not pull-down to ground when
power is not applied to the device. This pin requires an external pull-up
resistor.
2
C Slave Address input / Transmit Power Sense Output.
I
At the end of power-on-reset (POR), this pin is used as an input to latch the
2
C sub-address. The level on this pin is latched when the POR transitions
I
from the asserted state to the de-asserted state. After completion of POR,
this pin is used as the TPWR output, indicating that the selected HDMI input
port is receiving an active TMDS clock. This pin has an internal pull-up to
the MICOMVCC33 power supply. If this signal is pulled-down, a 4.7K ohm
resistor should be used.
Interrupt Output.
This is an open-drain output and requires an external pull-up resistor.
These pins must be tied to ground with a 10 k or less resistor during
normal operation. Connecting directly to ground is recommended.
2
C Data.
LC-32LE511
LC-40LE511
LC-40LE531
2
C port. This pin is a true
2
C port. This pin is a true
LC-32LE511
LC-40LE511
LC-40LE531
61
LC-32LE511
Pin Name
Type
Dir
CSDA 53
LVTTLSchmitt
Open drain
5-V tolerant
Input
Output
Local Configuration/Status I
2
C Data.
Chip configuration/status isaccessed using this I
2
Cport.Thispinisatrue
open drain, so it does not pull toground if power is not applied.
DSCL4 48
LVTTLSchmitt
5-V tolerant
Input DDC I
2
C Clock for VGA port.
These signals are true open drain, anddo not pull-down to groundwhen powerisnotappliedtothedevice.Thispinrequiresanexternalpull-upresistor.
DSDA4 47
LVTTLSchmitt
5-V tolerant
Input
output
DDC I
2
C Data for VGA port.
These signals are true open drain, anddo not pull-down to groundwhen powerisnotappliedtothedevice.Thispinrequiresanexternalpull-upresistor.
CSCL 54
Schmitt
Open drain
5-V tolerant
Input Local Configuration/Status I
2
C Clock.
Chip configuration/status isaccessed using this I
2
Cport.Thispinisatrue
open drain, so it does not pull toground if power is not applied.
Pin Name
Dir
INT 52
Schmitt
Open drain
8 mA
5-V tolerant
Input
Output
Interrupt Output.This is an open-drain output and requires an external pull-up resistor.
RSVDLRSVDL
1028
Reserved pin —
These pins must be tiedto groundwith a 10korless resistor during normal operation. Connectingdirectlytoground is recommended.
TPWR_CI2CA55
LVTTL
8 mA
5-V tolerant
Input
Output
I
2
C Slave Address input / Transmit Power Sense Output.
C sub-address. The level onthispin is latched when the POR transitions fromthe asserted state tothe de-asserted state. After completion of POR, this pinis usedas the TPWR output, indicating thatthe selectedHDMI input port is receivingan active TMDS clock.Thispin has an internal pull-up to the MICOMVCC33 power supply. Ifthissignal is pulled-down, a 4.7K ohm resistor should beused.
Pin Name
Type
Signal Name
LC-40LE511
LC-40LE531
Pin Name
CEC_A 50
CEC_D 51
Power and Ground Pins
VCC339, 27, 64 Power Analog and digital core VCC. Must be supplied at 3.3 V.
MICOM_VCC33 37 Output
SBVCC33 38 Power
ePAD ePad Ground ePad must be connected to Ground.
Pin
CEC Compliant
5-V tolerant
Open drain
5-V tolerant
Direct
Description
ion
Input
Output
HDMI compliant CEC I/O used for interfacing to CEC devices.
This signal is electrically compliant with the CEC specification. It connects
to the CEC signal of all HDMI connectors in the system.
As an input, this pin acts as a LVTTL Schmitt triggered input and is 5-V
LVTTL
Schmitt
Input
Output
tolerant. As an output, the pin acts as an NMOS driver with resistive pull-up.
This pin has an internal pull-up resistor.
CEC interface to local system.
This pin is an open drain and requires an external pull-up resistor. This pin
typically connects to a local CPU if the CEC functions are performed by the
CPU directly, and not the CEC controller inside the device.
Type
During normal mode, this pin provides 3.3 V power to an external
microcontroller. The maximum output current is 30 mA. This pin
requires 1PF capacitor to ground.
3.3V standby power. If 3.3V standby mode is not used, this pin
should be left as not connected.
All analog and digital ground planes are tied together to the ePad,
which must be connected to Ground.
62
17.LNB supply and control IC
ST LNBH23L
a) Key Features
-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93%
@0.5 A)
pecification
-in 22 kHz tone generator suits widely accepted standards
-drop post regulator and high efficiency step-up PWM with integrated power NMOS
allow low power losses
-temperature internal protections with I²C diagnostic bits
- 4 kV ESD tolerant on output power pins
Description
Intended for analog and digital satellite receivers, the LNBH23L is a monolithic voltage
regulator and interface IC, assembled in QFN32 5 x 5 specifically designed to provide the 13 /
18 V power supply and the 22 kHz tone signalling to the LNB down-converter in the antenna
dish or to the multi-switch box. In this application field, it offers a complete solution with
extremely low component count, low power dissipation together with simple design and I²C
standard interfacing.
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b) Block Diagram
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b)Block Diagram
SOFWARE UPDATE
18.Software Update
18.1 Main SW update
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In MB70 project you can update the main IC software by using USB ports. You can find the
SW update procedure below.
1. Software files should copy directly inside of a flash memory(not in a folder).
2. Put flash memory to the tv when tv is powered off.
3. Power on the and wait. TV will power-up itself.
4. If First Time Installition screen comes, it means software update procedure is succesful.
5. You can check the SW release name from service menu.
18.2 Panel Configuration File update
In MB70 project you can update the panel Configuration file by using USB ports. You can
find the update procedure below.
1. Please copy panel configuration files to USB root.
2. Turn power to OFF by remote controler and plug the USB to TV.
3. Turn power to ON by using remote controler.
4. TV standby led will blink rapidly during the sw update. Please wait approximately for 1-2
minutes.
5. TV will open automatically with the new panel configurations.
18.3 Stby-Microcontroller file update
18.3 Stby-Microntroller le update
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1. Please copy Standby micro-controller file to USB root.
2. You have to use Service Menu for standby micro-controller files update.
3. To access the service menu push “menu” button and enter the password “4725” while
menu icons are on screen.
4. Plug the USB to TV.
5. Please choose “USB Operations” tab to update standby-micro sw file by using remote
controler.
6. Please wait approximately for 30 seconds
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18.3Stby-Microcontroller file update
1.Please copy Standby micro-controller file to USB root.
2.You have to use Service Menufor standby micro-controller files update.
3.To access the service menu push “menu” button and enter the password “4725” while menu icons are on screen.
4.Plug the USB to TV.
5.Please choose “USB Operations” tab to update standby-micro sw file by using remote controler.
BACKLIGHT_ON/OFF pin should be high when the backlight is ON. R185 must be low
when the backlight is OFF. If it is a problem, please check Q131 and the panel cables.
TROUBLESHOOTING
19.Troubleshooting
A. No Backlight Problem
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Dimming pin should be high or square wave in open position. If it is low, please check S32
for BRCM side and panel or power cables, connectors.
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STBY_ON/OFF_NOT should be high for standby condition, please check R203.
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STBY_ON/OFF_NOT should be high for standby condition, please check R203.
B. CI Module Problem
Problem: CI is not working when CI module inserted.
Possible couses: Supply, suply control pin, detect pins, mechanical positions of pins.
CI supply should be 5V when CI module inserted. If it is not 5V please check
CI_PWR_CTRL, this pin should be low.
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Please check mechanical position of CI module. Is it inserted properly or not?
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Detect ports should be low. If it is not low please check CI connector pins, CI module
pins.
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C. Staying in Stand-by Mode
Problem: Staying in stand-by mode, no other operation
This problem indicates a short on Vcc voltages. Protect pin should be logic high while normal
operation. When there is a short circuit protect pin will be logic low. If you detect logic low
on protect pin, unplug the TV set and control voltage points with a multimeter to find the
shorted voltage to ground.
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D. IR Problem
Problem: LED or IR not working
Check LED card supply on MB70 chasis.
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E. Keypad Touchpad Problems
Problem: Keypad or Touchpad is not working
Check keypad supply on MB70.
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F. USB Problems
Problem: USB is not working or no USB Detection.
Check USB Supply, It should be nearly 5V. Also USB Enable should be logic high.
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G. No Sound Problem
Problem: No audio at main TV speaker outputs.
Check supply voltages of VDD_AUDIO, 8V_VCC and 12V_VCC with a voltage-meter.
There may be a problem in headphone connector or headphone detect circuit (when
headphone is connected, speakers are automatically muted). Measure voltage at HP_DETECT
pin, it should be 3.3v.
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H. Standby On/Off Problem
Problem: Device can not boot, TV hangs in standby mode.
There may be a problem about power supply. Check main supplies with a voltage-meter. Also
there may be a problem about SW. Try to update TV with latest SW. Additionally it is good
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to check SW printouts via Teraterm. These printouts may give a clue about the problem. You
can use Scart-1 for terraterm connection.
Problem: No signal in TV mode.
Check tuner supply voltage; 5V_TUN. Check tuner options are correctly set in Service menu.
Check AGC voltage at RF_AGC pin of tuner.
I. No Signal Problem
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to check SW printouts via Teraterm. These printouts may give a clue about the problem.You can use Scart-1 for terraterm connection.
I.No Signal Problem
Problem:No signal in TV mode.
Check tuner supply voltage; 5V_TUN. Check tuner options are correctly set in Servicemenu. Check AGC voltage at RF_AGC pin of tuner.
SERVICE MENU SETTINGS
20.Service Menu Settings
In order to reach service menu, First Press “MENU” buton, then write “4725” by uisng
remote controller.
You can see the service menu main screen below. You can check SW releases by using this
menu. In addition, you can make changes on video, audio etc. by using video settings, audio
settings titles.
44 GN D
45 GN D
46 GN D
47 PAN EL_VCC
48 PAN EL_VCC
49 PAN EL_VCC
50 PAN EL_VCC
51 PAN EL_VCC
5 5V_ST BY5 TOUCH_SDA
1
GND
GND
GND
18 TX_3_CLKP
GND
21
TX_3_DP
GND
26 TX_4_AN
TX_4_BN
GND
GND
GND
GND
6 TOUCH_SCL
ROCKER
SWITCH
AC
POWER
PLUG
SPEAKER RIGHTSPEAKER LEFT
*LVDS CABLE HAS FOUR CONNECTORS. TWO OF THEM FOR THE MAINBOARD, AND THE OTHER TWO CONNECTORS FOR THE PANEL. ONE OF THE 51 PIN CONNECTOR, WHICH HAS A RED STICKER ON IT, MUST BE FIX INTO CN26 SOCKET ON MAINBOARD