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21.5"&23"TV Monitor Chassis: Meridian 4
Service 221TE4LB/57
Service 231TE4LB/57
Service 221TE4LB/55
231TE4LB/44
231TE4LB/55
231TE4LB/45
Description Page Description Page
Table of Contents......................................................1 6.1 Scaler Board..............................................19
Revision List.............................................................2 6.2 Power Board.......................................................39
Important Safety Notice............................................3 6.3 IR Board....................................................43
1. General Specifications............................................5 6.4 Key Board.................................................44
2. TV Monitor Description.........................................6 7. PCB Layout................................................45
3. Operation Instructions............................................7 7.1 Scaler Board.............................................45
3.1 Front Controls and Indicators...........................7 7.2 Power Board..............................................47
3.2 Connection Overview..........................................7 7.3 IR Board...................................................50
3.3 Remote Control ............................................9 7.4 Key Board................................................50
4. Input/output Specification....................................11 8. Wiring Diagram.............................................51
4.1 Input Signal Connector......................................11 9. Scaler Board Overview..................................52
4.2 Factory Preset Display Modes............................13 10. Mechanical Instructions...............................53
4.3 Pixel Defect Policy.......................................13 11. Trouble Shooting.........................................55
4.4 Failure Mode of Panel.................................16 12. ISP Instructions..................................................58
5. Block Diagram..............................................17 13. White Balance, Luminance Adjustment............59
5.1 Scaler Board.....................................................17 14. Monitor Exploded View.......................................60
5.2 Power Board.....................................................18 15. Recommended & Spare Parts List..................... 61
6. Schematic Diagram.............................................. 19 16. General Product Specification......................63
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGE
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Copyright 2012 Philips Consumer Lifestyle Subject to modification K Jul.13, 2012
2 Meridian 4
Revision List
Version Release Date Revision History
A00 Feb.06,2012 Initial release, Draft Version
A01 May.15,2012 Add CTN model: 221TE4LB/55, 231TE4LB/44 and 231TE4LB/55
A02 Jul.13, 2012 Add CTN model: 231TE4LB/45
Meridian 4 3
Important Safety Notice
Read and understand all instructions before you use your TV. If damage is caused by failure to follow instructions,
the warranty does not apply.
Safety
Risk of electric shock or fire!
Never expose the TV to rain or water. Never place liquid containers. Such as vases, near the TV. If liquids
are split on or into the TV, disconnect the TV from the power outlet immediately. Contact Philips Consumer
Care to have the TV checked before use.
Never place the TV, remote control or batteries near naked flames or other heat source, including direct
sunlight. To prevent the spread of fire, keep candles or other flames away from the TV, remote control and
batteries at all time.
Never insert objects into the ventilation slots or other openings on the TV.
When the TV is swiveled ensure that no strain is exerted on the power cord. Strain on the power cord can
loosen connections and cause arcing.
Risk of short circuit or fire!
Never expose the remote control or batteries to rain, water or excessive heat.
Avoid force coming onto power plugs. Loose power plugs can cause arcing or fire.
Risk of injury or damage to the TV!
Two people are required to lift and carry a TV that weights more than 25 kg.
When stand mounting the TV, use only the supplied stand. Secure the stand to the TV tightly. Place the TV
on a flat, level surface that can support the combined weight of the TV and stand.
When wall mounting the TV, use only a wall mount that can support the weight of the TV. Secure the wall
mount to a wall can support the combined weight of the TV and wall mount. Koninklijke Philips Electronics
N.V. bears on responsibility for improper wall mounting that result in accident, injury or damage.
Risk of injury to children! Follow these precautions to prevent the TV from toppling over and causing injury to
children:
Never place the TV on a surface covered by a cloth or other material that can be pulled away.
Ensure that no part of the TV hangs over the edge of the surface.
Never place the TV on tall furniture (such as a bookcase) without anchoring both the furniture and TV to the
wall or a suitable support
Educate children about the dangers of climbing on furniture to reach the TV.
Risk of overheating! Never install the TV in a confined space. Always leave a space of at least 4 inches around
the TV for ventilation. Ensure curtains or other objects never cover the ventilation slots on the TV.
Risk of damage to the TV! Before you connect the TV to the power outlet, ensure that the power voltage
matches the value printed on the back of the TV. Never connect the TV to the power outlet if the voltage is
different.
Risk of injury, fire or power cord damage! Never place the TV or any objects on the power cord.
To easily disconnect the TV power cord from the power outlet, ensure that you have full access to the power
cord at all times.
4 Meridian 4
When you disconnect the power cord, always pull the plug, never the cable.
Disconnect the TV from the power outlet and aerial before lightning storms. During lightning storms, never touch
any part of the TV, power cord or aerial cable.
Risk of hearing damage! Avoid using earphones or headphones at high volumes or for prolonged periods of
time.
If the TV is transported in temperatures below 5, unpack the TV and wait until the TV temperature matches
room temperature before connecting the TV to the power outlet.
Screen Care
Avoid stationary images as much as possible. Stationary images are images that remain on-screen for
extended periods of time. Examples include: on-screen menus, black bars and time displays. If you must use
stationary images, reduce screen contrast and brightness to avoid screen damage.
Unplug the TV before cleaning.
Clean the TV and frame with a soft, damp cloth. Never use substances such as alcohol, chemicals or household
cleaners on the TV.
Risk of damage to the TV screen! Never touch, push, rub or strike the screen with any object.
To avoid deformations and color fading, wipe off water drops as soon as possible.
Recycling
Your product is designed and manufactured with high quality materials and components, which can be recycled
and reused. When you see the crossed-out wheeled bin symbol attached to a product, it means the product is
covered by the European Directive 2002/96/EC:
Never dispose of your product with other household waste. Please inform yourself about the local rules on the
separate collection of electrical and electronic products. The correct disposal of your old product helps prevent
potentially negative consequences for the environment and human health.
Your product contains batteries covered by the European Directive 2006/66/EC, which cannot be disposed of with
normal household waste.
Please inform yourself about the local rules on the separate collection of batteries. The correct disposal of batteries
helps prevent potentially negative consequences for the environment and human health.
The most updated user manual on line
The contents of the user manual are subject to change. Please refer to www.philips.com/support for the most
updated user manual info reference.
Meridian 4 5
1. General Specifications
Model 221TE4L/223TE4L
Aspect Ratio 16:9
Picture / Display
Resolution 1920 x 1080 @ 60Hz
221TE4L: 0.24825(H) x 0.24825(W)mm
Pixel Pitch
231TE4L: 0.265(H) x 0.265(W) mm
Panel Typical
Brightness: 250cd/m2
Contrast 1000:1
AV INPUT
COMPONENT INPUT (Y Pb Pr and AUDIO L/R)
PC IN (VGA and AUDIO IN)
Rear Connectors
HDMI
SPDIF OUT
TV ANTENNA
HDMI
Side Connectors USB
HEADPHONE
221TE4L < 55W
Power Consumption
223TE4L < 60W
Standby <1W
AC-input 100 V ~ 240 V, 50/603Hz
Operating 0C ~ 40 C
Temperature
Storage -10C ~ 50C
NuTune FK1604 NTSC Front-end (Vertical Mount )
Television System PAL-M/PAL-N / ISDB-T, Sound System: M
Channel Coverage VHF: 2 through 13; UHF: 14 through 69, Cable TV
Tuner Frequency range 55.25MHz to 859.25MHz
Analog Picture: 45.75MHz
IF Frequency
Analog Sound: 41.25MHz
Impedance 75 ohm terminated
Note: Product information is subject to change without notice. For detailed product information, go to
www.philips.com/support
6 Meridian 4
2. TV Monitor Description
The TV monitor will contain a scaler board, a power board, an IR board and a key board. The scaler board houses
the flat panel control logic, brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the scaler board chips
each voltage.
TV Monitor Block Diagram
LED Panel
VGA
USB
HDMI
Power Board
Scaler Board SPDIF
(Include: Power, LED Driver)
AUDIO
TUNER
COMPONENT
AV Signal, DDC
AC-IN
Key Board HOST Computer
100V-240V
IR Board
Meridian 4 7
3. Operating Instructions
3.1 Front and side controls 3.2 Connection Overview
Back Connector
1. POWER: Switch the monitor on or off. The
monitor is not powered off completely unless it is
physically unplugged.
2. SOURCE: Select an input source.
Return to the previous screen or exit from the
on-screen menu.
3. MENU/OK: Display the on-screen menu.
Confirm a selection.
4. CH +/-: Switch to the next or previous channel.
5. VOL+/-: Increase or decrease volume.
6. Power Indicator: Red LED: RC standby mode. /
PC standby mode.
8 Meridian 4
1. AV INPUT 4. HDMI
Audio and video input from an AV device Digital audio and video input from high-definition
digital devices such as Blu-ray players
2. COMPONENT INPUT (Y Pb Pr and AUDIO L/R) 5. SPDIF OUT
Analogue audio and video input from analogue or Digital audio output to home theaters and other digital
digital devices such as DVD players or game audio systems.
consoles.
6. TV ANTENNA
Signal input from an antenna, cable or satellite
3. PC IN (VGA and AUDIO IN)
Audio and video input from a computer
The connection via VGA requires an additional audio
cable.
Meridian 4 9
Side connector 3. HEADPHONE
Audio output to your headphones.
1. HDMI
Digital audio and video input from high-definition digital
devices such as Blu-ray players.
2. USB
For music and photo
10 Meridian 4
3.3 Remote Control 5. (Yellow button)
Set the block channels in channel menu.
6. (Blue button)
Delete the channel in channel menu.
7. OPTION
Press to display a list of options.
8. (Navigation buttons)
(No functions)
Navigate through the menus.
9. OK
Confirm an entry or selection.
10.BACK/