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LED TV Chassis
MS48
24PFL5555
32PFL5355
42PFL5555
46PFL5755
Contents Page
1. SAFETY PRECAUTION 2
2. SERVICE PROCEDURE 6
3. SOFTWARE UPGRADE 10
4. BLOCK DIAGRAM 11
5. CIRCUIT DIAGRAM 12
6. TROUBLESHOOTING 23
7. PCB LAYOUT 27
"PHILIPS and the PHILIPS' Shield Emblem are registered trademarks of 2010-Aug-28
Koninklijke Philips Electronics N.V. and are used under license from
Koninklijke Philips Electronics N.V."
1
1. Safety Precaution
CAUTION :
Use of controls, adjustments or procedures other than those specified herein may result in
hazardous radiation exposure.
CA UTION: TO REDUCE THE RISK OF
CAUTION ELECTRICAL SHOCK, DO NOT REMOVE
RISK OF ELECTRI
ELECTRIC COVER (OR BACK). NO USER SERVICEABLE
SHOCK DO NOT OPEN. PARTS INSIDE. REFER SER VICING TO
QUALIFIED SERVICE PERSONNEL.
The lighting flash with arrowhead symbol, with an equilateral triangle is intended to
alert the user to the presence of uninsulated dangerous voltage within the products
enclosure that may be of sufficient magnitude to constitute a risk of electric shock to
the person.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
2
IMPORTANT SAFETY INSTRUCTIONS
CAUTION:
Read all of these instructions. Save these instructions for later use. Follow all Warnings and
Instructions marked on the audio equipment.
1. Read Instructions- All the safety and operating instructions should be read before the product is operated.
2. Retain Instructions- The safety and operating instructions should be retained for future reference.
3. Heed Warnings- All warnings on the product and in the operating instructions should be adhered to.
4. Follow Instructions- All operating and use instructions should be followed.
FOR YOUR PERSONAL SAFETY
1. When the power cord or plug is damaged or frayed, unplug this television set from the wall outlet and refer servicing to
qualified service personnel.
2. Do not overload wall outlets and extension cords as this can result in fire or electric shock.
3. Do not allow anything to rest on or roll over the power cord, and do not place the TV where power cord is subject to
traffic or abuse. This may result in a shock or fire hazard.
4. Do not attempt to service this television set yourself as opening or removing covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualified service personnel.
5. Never push objects of any kind into this television set through cabinet slots as they may touch dangerous voltage
points or short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the television set.
6. If the television set has been dropped or the cabinet has been damaged, unplug this television set from the wall outlet
and refer servicing to qualified service personnel.
7. If liquid has been spilled into the television set, unplug this television set from the wall outlet and refer servicing to
qualified service personnel.
8. Do not subject your television set to impact of any kind. Be particularly careful not to damage the picture tube surface.
9. Unplug this television set from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a
damp cloth for cleaning.
10.1. Do not place this television set on an unstable cart, stand, or table. The television set may fall, causing serious injury
to a child or an adult, and serious damage to the appliance. Use only with a cart or stand recommended by the
manufacturer, or sold with the television set. Wall or shelf mounting should follow the manufacturer s instructions, and
should use a mounting kit approved by the manufacturer.
10.2. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces
may cause the appliance and cart combination to overturn.
3
PROTECTION AND LOCATION OF YOUR SET
11. Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a
wet basement, or near a swimming pool, etc.
Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall
outlet and refer servicing to qualified service personnel.
12. Choose a place where light (artificial or sunlight) does not shine directly on the screen.
13. Avoid dusty places, since piling up of dust inside TV chassis may cause failure of the set when high humidity persists.
14. The set has slots, or openings in the cabinet for ventilation purposes, to provide reliable operation of the receiver, to
protect it from overheating. These openings must not be blocked or covered.
Never cover the slots or openings with cloth or other material.
Never block the bottom ventilation slots of the set by placing it on a bed, sofa, rug, etc.
Never place the set near or over a radiator or heat register.
Never place the set in a built-in enclosure, unless proper ventilation is provided.
PROTECTION AND LOCATION OF YOUR SET
15.1. If an outside antenna is connected to the television set, be sure the antenna system is grounded so as to provide some
protection against voltage surges and built up static charges, Section 810 of the National Electrical Code, NFPA No.
70-1975, provides information with respect to proper grounding of the mast and supporting structure, grounding of the
lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection
to grounding electrode, and requirements for the grounding electrode.
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
ANTENNA
LEAD- IN WIRE
GROUND CLAMP
ANTENNA DISCHARGE
UNIT (NEC SECTION
810-20)
GROUNDING
CONDUCTORS
ELECTRIC SERVICE (NEC SECTION 810-21)
EQUIPMENT
GROUND CLAMPS
POWER SERVICE GROUNDING
NEC-NATIONAL ELECTRICAL CODE ELECTRODE SYSTEM
(NEC ART 250. PART H)
15.2. Note to CATV system installer : (Only for the television set with CATV reception)
This reminder is provided to call the CATV system installer s attention to Article 820-40 of the NEC that provides
guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding
system of the building, as close to the point of cable entry as practical.
16. An outside antenna system should not be located in the vicinity of overhead power lines or other electric lights or power
circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care
should be taken to keep from touching such power lines or circuits as contact with them might be fatal.
17. For added protection for this television set during a lightning storm, or when it is left unattended and unused for long
periods of time, unplug it from the wall outlet and disconnect the antenna. This will prevent damage due to lightning
and power-line surges.
4
OPERATION OF YOUR SET
18. This television set should be operated only from the type of power source indicated on the marking label. If you are not
sure of the type of power supply at your home, consult your television dealer or local power company. For television
sets designed to operate from battery power, refer to the operating instructions.
19. If the television set does not operate normally by following the operating instructions, unplug this television set from the
wall outlet and refer servicing to qualified service personnel. Adjust only those controls that are covered in the operating
instructions as improper adjustment of other controls may result in damage and will often require extensive work by a
qualified technician to restore the television set to normal operation.
20. When going on a holiday : If your television set is to remain unused for a period of time, for instance, when you go on
a holiday, turn the television set off and unplug the television set from the wall outlet.
IF THE SET DOES NOT OPERATE PROPERLY
21. If you are unable to restore normal operation by following the detailed procedure in your operating instructions,
do not attempt any further adjustment. Unplug the set and call your dealer or service technician.
22. Whenever the television set is damaged or fails, or a distinct change in performance indicates a need for
service, unplug the set and have it checked by a professional service technician.
23. It is normal for some TV sets to make occasional snapping or popping sounds, particularly when being
turned on or off. If the snapping or popping is continuous or frequent, unplug the set and consult your
dealer or service technician.
FOR SERVICE AND MODIFICATION
24. Do not use attachments not recommended by the television set manufacturer as they may cause hazards.
25. When replacement parts are required, be sure the service technician has used replacement parts specified
by the manufacturer that have the same characteristics as the original part. Unauthorized substitutions
may result in fire, electric shock, or other hazards.
26. Upon completion of any service or repairs to the television set, ask the service technician to perform
routine safety checks to determine that the television is in safe operating condition.
5
2. Service Procedure
1. Overview
MS48/MS48S chassis is designed for Asia Pacific/India market. Both
Full HD panel and HD panel can be compatible. The signal sources include TV, AV,
YPBPR/YCBCR, VGA, HDMI and USB. For YPBPR, HDMI source, Format up to
1080p can be supported; USB support image, audio and video (up to H.264) playing.
SPDIF and AV output is available too. The whole process of alignment includes ADC
calibration and White Balance adjustments.
2. Design Menu
1. Methods of Entering
Method 1: Using the remote, enter the "Picture" submenu in the OSD; choosing
the "contrast" item and press the 1, 9, 5 and 0 in series, Design Menu will appear in
the left top of screen
2. General Information
ITEMS Default Description Status
Setting
1-DESIGN OFF ON/OFF OK
HOTKEY
2-FACTORY Enter the Factory Menu. OK
MENU
3-SHOP INIT Default setting submenu after production OK
alignment. refer to **
4-OTHER Miscellaneous. Only for TCL R&D OK
5-SERVICE After service menu refer to page 5 OK
MENU
6-PARAM Parameter setting submenu OK
SETTING
7-HOTEL Hotel submenu OK
MENU
6
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
FACTORY MENU
ITEMS Default Description Status
Setting
1-FAC HOTKEY OFF Factory hotkey switch OFF/ON . Should be OFF OK
after factory alignment.
2-WARM UP OFF OFF The set would enter standby mode after 15 OK
minutes' without input signal
ON Aging mode Aging time will display on the left
bottom of screen.
3-ADC ADC calibration refer to page 7 OK
4-WHITE White Balance data adjustment. (refer to page 7) OK
BALANCE
5-SHOP DO Reset the set after production alignment; (This OK
operation will remove all unnecessary factory
debug information and initiate them to default
value; The factory hotkey will be turn off.)
6-NVM reset DO System initialization. Restore all data except White OK
Balance and ADC data; Only for R&D
7-SET FAC CH DO Preset specific factory channels for specific OK
factory. Press left or right button to select the
factory, and then press OK to confirm.
8-POWER ON LAST ON: Always turns on TV when AC power on OK
STB: Always goes to standby mode when AC
power on
LAST: Restore the status before the last AC power
off.
9-USB UPDATE USB update refer to page 8 OK
Note: Below the factory menu, some model information are showed, including
software version, Project Name, SIACP Version, and SW release time.
7
ITEMS Default Description Status
Setting
Volume 30 0-100 adjustable OK
PIC MODE STANDARD STANDARD/BRIGHT/SOFT/PERSONAL NG
SOUND STEREO STEREO/MUSIC/MOVIE/NEWS/PERSONA NG
MODE L
CH NUMBER 199 0-199 adjustable OK
LANGUAGE ENGLISH Up to 7 languages optional NG
COLOR SYS AUTO AUTO/PAL/NTSC/SECAM NG
SOUND SYS D/K 4 Sound System optional NG
PRESET CH 1 0-199 adjustable OK
COLOR TEMP NORMAL NORMAL/WARM/COOL OK
ITEMS Default Description Status
Setting
Brightness Sound curve. Exclusively used by R&D. OK
Curve
Contrast Contrast curve. Exclusively used by R&D. OK
Curve
Saturation Saturation curve. Exclusively used by R&D. OK
Curve
Hue Curve Hue Tint curve. Exclusively used by R&D. OK
Sharpness Sharpness curve. Exclusively used by R&D. OK
Curve
Volume Curve Volume curve. Exclusively used by R&D. OK
Backlight Backlight curve. Exclusively used by R&D. OK
Curve
4. Service Menu
1. Methods of Entering
Using the remote, enter the "Picture" submenu in the OSD; choosing the
"contrast" item and press the 9, 7, 0 and 5 in series, Service Menu will appear in the
left top of screen
ITEMS Default Description Status
Setting
SW NO Software Version. OK
DATE Date and time of software releasing OK
SIACP SIACP VERSION OK
VERSION
8
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
Chassis MS48 Chassis name OK
PANEL P/N of the panel OK
PROJECT ID Project Select submenu OK
USB UPDATE USB UPDATE OK
HOTEL OFF HOTEL MENU SWITCH 0K
ENABLE
ERROR OFF Error prompt NG
CODE
TCL LOGO ON TCL LOGO SWITCH OK
LOGO_LIGHT ON LOGO LIGHT SWITCH OK
TCL SHOW OFF TCL SHOW SWITCH OK
General step of Debugging
According to the requirement of the order, below steps are needed for appropriate
setting.
1).Enter the Factory Menu, enable FAC HOTKEY.
2).Check Project ID and the version of software, release date displayed at the
bottom of Factory Menu.
3).Enter Design Menu, choose SERVICE MENU->Project ID, choose
corresponding Project ID number of the product (Refer to the "V6-PROJECT-ID0**" in
BOM list).
4).Return to Factory Menu, check the Product model.
5).Choose Factory Menu-> NVM RESET and press the right button of the remote
and wait until prompt OK appears.
6).Restart the set
7).According to the requirement of the order, Set the items of SHOP INIT and
Hotel Menu etc.
8).After aging under normal temperature, calibrate ADC and adjust white balance.
9).Choose Factory Menu-> SHOP and press the button of remote to initialize the
set.
Note: After step 9, Hotel Menu will be disabled by default. Therefore, if the order
requires hotel function, it is necessary to enable hotel function by set Design Menu->
Service Menu->HOTEL ENABLE to ON.
9
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
3. Software update
Method of SW update
1. Download the bin file "TCL_MS48_UPDATE.bin"to the root directory of your
USB device (Do not change the file name); Then insert the USB device to USB
Interface of TV set.
2. Using the remote, enter the "Picture" submenu of the OSD; choosing the
"contrast" item and press 9, 7, 3 and 5 in series, Factory Menu will appear in the left
top of screen.
3. Select the "USB UPDATE" item, press left or right key to enter the update
dialog box;
4. Select "YES" of the dialog box and press OK button to start the update, you will
see a progress box on the screen.
5. After updating, the set will reset automatically
Updating dialog box Updating progress
Project ID Selection :
1) Press Menu button of remote control, then select Contrast item of Picture
submenu; press 1,9,5,0 consecutively, there you go the DESIGN MENU.
2) Select the SERVICE MENU item, press OK or RIGHT button of the remote to
enter the submenu;
3) Select the PROJECT ID item, press OK or RIGHT button of the remote to enter
the submenu;
4) Press RIGHT or LEFT button of the remote to select the ID you want.
5) After ID selection, press MENU button of the remote to exit DESIGN MENU.
6) Finally, do AC POWER ON/OFF.
Model Chassis Supplier Name Panel Type HD/FHD Project ID Selection
24PFL5555 MS48 AUO M240HW01 V6 FHD 0
32PFL5355 MS48 AUO T315XW06 V0 HD 255
42PFL5555 MS48 AUO T420HW07 V6 FHD 1
46PFL5755 MS48 AUO T460HW04 V0 FHD 2
10
PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE
L816 OUT_A
35-392170-00X OUT_B LC LP
U600
OUT_C
Q813 VCC_PANEL 13-TAS570-70B
OUT_D LC LP
12-MV65XP-0BX
+24V U804 L814 +12V
13-MP1593-C2B
L815
I2S
U805 Q816 5VAIN
13-RT8110-B0B 12-13N03L-0BX
HEADPHONE P600
LVDS
Core Power Digital core power USB 1 D+/ USB 1D- P501
Pin 24/32/86/123/133/191
U803 L813
13-MP2127-DQB
DDR 1.26V power USB 2 D+/USB 2 D- P502
DVDD_DDR_1V2 Pin 162 U200
13-MST6M4-U5B
MST6M48RVS is a single chip
Digital input/output power Pin 87/130/193 Multimedia TV SoC that HDMI 1-SDA HDMI 1-SCA
U800 +3V3 VDD33
13-AS1117-33B PLL power Pin 125/163 supports TV channel
RX0 RX1 RX2 P500
decoding,and media-centre
5VAIN functionality enabled by a high
performance AV CODEC and
Analog 2.5V power Pin 33 CPU HDMI 2-SDA HDMI 2-SCL
U802 +2V5 ADC2P5
Domod ADC power Pin 72 Key features includes:
13-AS1117-25B Mod 2.5V power Pin 108/124 1.High performance micro- RX0 RX1 RX2 P503
Audio 2.5V power Pin 54 processor
Demod PGA power Pin 76 2.MPEG-2 video decoder
11
3.MPEG-4 video decoder
4.H.264 decoder CMP IN P706
4. Block Diagram
5.RealMedia decoder
1V8_DDR2 DDR power 6.Hardware JPEG
Pin142/148/153/159/168/175/178/185 7.NTSC/PAL/SECAM video
X24M CMP/VGA AUDIO IN P708
U808 45-OSC24M-0Y2
decoder
+1V8 8.Multi-standard TV sound
13-AS1117-18B HW Rest processor
AVDD_DDR_1V8 9.Audio interface
Power for DDR2 U202 13-K4T511-F7B IR
KEY
10.Analog RGB compliant input R G B Vs Hs P701
ports
+5V_USB 11.Analogue RGB auto-
Analog 3.3V power Pin 39 configuration&detection
AVDD_ADC Audio 3.3V power Pin 61 12.DVI/HDCP/HDMI compliant
Earphone driver power Pin 68 input port AV 1 IN P703
+3_3VSTB Alive domain I/O power Pin 7/97/198 13.Advanced color engine
14.CVBS video output
L108 15.VIF demodulator AV 2 IN P704
AVDD_DMPLL
Crystal power Pin 71
Tuner-SDA/Tuner-SCL
X100 AV OUT P705
+5V_IF
AP Market VIF
45-SAWK62-74D
TU1 LA Market SPDIF OUT P707
SIF
AP market 45-SAWF39-530
IF Pre-Amplifier
07-380FI5-NAFG MI2C-SDA
CLOCK U202
LA market X101 MI2C-SCL
DATA
07-457FF5-NA2G AP Market ADDRESS
13-K4T511-F7B or
U203 U204 13-H5PS1G-7CB(For mirror
45-SAWK93-52M0D SPI
13-EN25Q3-2AB 13-M24C64-W6B panel)
LA Marke 32MBit serial flash 64Kbit EEPROM
45-SAWF93-700
5. Circuit Diagram
12
13
14
15
16
17
18
19
8 7 6 5 4 3 2 1
VDDC
200+1040+250=1490mA
P2 R90 VCC3.3V
100K
39 40
GND L3
C46 15UH
C47
C48
C49
C50
C51
C52
C56
C61
RXO0+ 37 38 RXO0-
0.1U
0.1U
0.1U
0.1U
0.1U
0.1U
0.1U
0.1U
12VIN
RXO1+ 35 36 RXO1- 10U C19 D3
U1 SR34 R4
F 0.01U C18 F
RXO2+ 33 34 RXO2-
1 8 NC 3K9
T Z? BS SS
T Z? 2 7 0.1U CA3 C9
RXOC+ 31 32 RXOC- IN EN 0.1U
GND GND 470U
RXO3+ 29 30 RXO3-
3 6 16V
T Z? CA1 SW COMP
T Z? C12
16V 0.1U 4 5 C4 3300P R75 2K2
RXO4+ 27 28 RXO4- AVDD_DDR 470U GND FB
VCC1.8V
VBR_EXTO 0R R270 25 26 0R R273 D
VB_OUT MP1482
PANEL_ON/OFF 0R R271 23 24 0R R274 I2CS-SCL
L45
0R R272 220R R7
DCR-O 21 22 0R R275 I2CS-SDA 3.3=0.923(1+R4/(R7+R277)) GND
R277
T Z? 1K5
T Z? RXE0+ 19 20 RXE0- 0R
C27
C28
C16
C38
C39
C57
C58
C33
R4=39K
6V3
RXE1+ 17 18 RXE1-
0.1U
0.1U
0.1U
0.1U
0.1U
0.1U
120U
E 10U E
RXE2+ 15 16 RXE2- GND
RXEC+ 13 14 RXEC- VDDC
R117 100K
RXE3+ 11 12 RXE3- L5 1040mA
GND
10UH
RXE4+ 9 10 RXE4- VCC3.3V
VDDP 12VIN
7 8 C101 0.1U D4