TCL M28SPG8 User manual

TCL
Service Manual
Picture only for reference
1. Caution··························································································2
2. Product Specifications·····································································6
3. Alignment Procedure·······································································7
4. BLOCK Diagram············································································26
5. Schematic Diagram········································································27
6. PCB Layout···················································································28
7. Explode View·················································································30
8. BOM list························································································31
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product.

WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION: TO REDUCE THE RISK OF
ELECTRICAL SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER SERVICEABLE
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 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.
CAUTION:
Use of controls, adjustments or procedures other than those specified herein may result in
hazardous radiation exposure.
CAUTION
RISK OF ELECTRIC
SHOCK DO NOT OPEN.
2
dangerous
1

3
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.
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.
IMPORTANT SAFETY INSTRUCTIONS

4
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 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.
15.2. Note to CATV system installer : (Only for the television set with CATV reception)
This reminder is provided to call the CATV system 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.
ANTENNA
LEAD- IN WIRE
ANTENNA DISCHARGE
UNIT (NEC SECTION
810-20)
GROUNDING
CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
ELECTRIC SERVICE
EQUIPMENT
GROUND CLAMP
NEC-NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS
a built-in
installer s

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 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 detailedprocedure 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
off

8SGDWH
Items
VERSION V1.0 V2.1 V2.2
POSITION entry level entry level entry level
MAIN DIFFERENTIATION PAL,2*2W PAL,2*2W,SECAM,S-Video PAL,2*2W,SECAM,Scart
MARKET Singapore,South Africa,
Malaysia,other asia area CIS,Russia,Mid-East,North-Africa CIS,Russia,Mid-East,North-Africa
Brand TCL/RCA/OEM TCL/RCA/OEM TCL/RCA/OEM
ˇ
chassis m28sp-g2
ˇ
cpu TMPA8873
ˇ
Cabinet(matching) TCL standardization cabinet
ˇ
Solution toshiba
ˇ
Screen size
˄
inch
˅
14'-21'
ˇ
Slim CRT ---
ˇ
RC type F\R(shift to RC166 in 07H2)
ˇ
Launch date Apr,06
ˇ
OSD language English
ˇ
Certification CB
ˇ
Power supply AC 180-240V,50/60Hz
ˇ
Power consumption-TV ON 14' : 70w ; 21' : 80w
ˇ
Power consumption-Standby Less than 9W
ˇ
Speaker 8ohm ˈ 2 h 5W
ˇ
RMS power output(Internal) 2×2W
ˇ
LED indication-Power ON No
ˇ
LED indication-STANDBY Red
ˇ
Tuning-Max channels 100(/421)free programmable presets
ˇ
Tuning-Technology FS
ˇ
Tuning-Indication CH
ˇ
Tuning-Mode Full Band
ˇ
TV system PAL
ˇ
Sound system B/G,D/K,I
ˇ
IF freq. 38.9MHz
ˇ
Freq. bands VHF-L VHF-H,UHF
ˇ
AV System PAL/NTSC
ˇ
Scan
˄
50HZ
ǃ
60HZ
ǃ
60P
ǃ
75P
ǃ
100HZ..
˅
Standard Progresive 50Hz/60Hz
ˇ
Comb filter Comb filter FOR NTSC
ˇ
Black Level Expansion Yes
ˇ
Color temperature adjustable normal /cool /warm
ˇ
Picture Mode personal /dynamic/standard/mild
ˇ
Teletext Standard
ǃ
Language
ǃ
Pages
ǃ
Features ---
ˇ
CCD(Close Caption) ---
ˇ
V-chip ---
ˇ
AV Stereo Yes
ˇ
NICAM No
ˇ
Sound control VOLUME
ǃ AVC ǃ MUTE
ˇ
Super woofer speaker ---
ˇ
Surround ---
ˇ
Clock/Timer function on/off timer
ˇ
Lock Child Lock
ˇ
Curtain ---
ˇ
Blue background Yes
ˇ
Favorite channel list Yes
ˇ
Calendar Yes
ˇ
Game Push Box
ˇ
Hotel mode NO
ˇ
Notebook Yes
ˇ
FM radio Yes
ˇ
No signal auto-off Yes
ˇ
Anti-thunderstroke ---
ˇ
High sensitive receiver ---
ˇ
Screen saver ---
ˇ
AT(Picture Mute) Yes
Connectors Rear/Side All Size(14NF/21NF/15PF/21PF) All Size(14NF/21NF/15PF/21PF)Scart
ˇ
Rear RCA x * x 1 x 1 ---
ˇ
Side/Frond RCA x * x 1(side) x 1(side) x 1(side)
ˇ
AV1 AV2 Separate/Shared shared shared ---
ˇ
AV out x 1 x 1 ---
ˇ
S-Video (Rear or Side) --- x 1 ---
ˇ
Rear YUV x* --- --- ---
ˇ
Rear SCART(Single) --- --- x 1
Other
Functions MCF

BRIEF
General
Basic Info.
Picture
Remark:
Terminals
Yes
normal /cool /warm
personal /dynamic/standard/mild
Build-in Data System
---
---
1. Required modifications may be implemented without prior notice.
Yes
---
Sound Effect
SOUND
Other
Functions
Other Functions
CHASSIS:M28SP
toshiba
Basic Info.
TCL standardization cabinet
on/off timer
Yes
Child Lock
---
Yes
2×2W
F\R(shift to RC166 in 07H2)
Aug,06
m28sp-g8
14'-21'
---
TMPA8891
No
Red
System
English/Arabic/Russia
CB
Power
AC 180-240V,50/60Hz
14' : 70w ; 21' : 80w
Less than 9W
8ohm
ˈ 2 h 5W
100(/421)free programmable presets
FS
CH
Full Band
PAL , SECAM
B/G,D/K,I
38.9MHz
VHF-L VHF-H,UHF
PAL/SECAM/ NTSC
Picture-Processing(TV/Video)
Standard Progresive 50Hz/60Hz
Comb filter FOR NTSC
---
Yes
Yes
---
---
Push Box
NO
Yes
Chassis Standard Definition
---
---
Yes
Yes
No
VOLUME
ǃ AVC ǃ MUTE
6

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
Flowchart chart of alignment procedure for M28 chassis:
B+ adjustment Electrical
properties
checking for
chassis
RF AGC
adjustment
Sub-brightness
Adjustment
White balance
Adjustment
Aging Adjustment of
screen voltage
and focus
Sub-color &
Sub-tint
adjustment
Pincushion and
screen width
adjustment
Screen center
& size
adjustment
(PAL)
Screen center
& size
adjustment
(NTSC)
QC checking
ALIGNMENT PROCEDURE FOR M28 CHASSIS:
I) Adjustment of B+ voltage(for VR840 model only)
1. Apply 180V-240VAC(r5V) to mains power input, and Philips standard testing pattern to RF input.
2. Check in STANDARD mode until voltage at TP2 (B+) is 112V r2.5V.adjust the jp840,jp841..
II) The alignment of RFAGC <Press KEY 7 IN D-Mode>
1. Connect the detector shown below to collector of Q101.
2. Receive a grey scale signal with 70dBȝV amplitude.
3. Adjust RFAGC item until the output of the detector becomes 0.8Vpp
Collector
of Q101
To CRO
7

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
ċ
) Adjustment of Sub-contrast, Sub-tint and Sub-color for NSTC and PAL signal.
<Press KEY 4 in D-Mode>
1. connect the probe of Oscilloscope to the conjunction between R201 and P201 (B-out).
2. Apply the Grey-scale/Color-bar (NTSC signal) to the AV input, in STANDARD status.
3. Select CNTC to adjust the contrast, until that the amplitude “A” is 2.2V P-P (matching slim CRT, “A” is
2.0Vp-p) as shown below.
4. Select COLC to adjust the color by tuning the amplitude of “a” and “d” to the same.
5. Select TNTC to adjust the tint by tuning the amplitude of “b” and “c” to the same.
6. Apply the Grey-scale/Color-bar (PAL signal) to the AV input, in STANDARD status.
7. Select COLP to adjust the sub-color by tuning the amplitude of “a”, “b”, “c” and “d” to the same.
IV) Adjustment of Focus, Screen Voltage and Sub-brightness
1. Receive a crosshatch pattern.
2. Adjust the “FOCUS” VR on the flyback the make the picture clear.
3. Enter D-mode and press “MUTE” key and the screen will become a horizontal line. Then adjust the
“SCREEN” VR on the flyback transformer to set the intensity of the line to a minimum visible level (the
line can just be seen).
4. Press “MUTE” key again and the TV will become full raster.
5. Select BRTS(Press key 7 in D-Mode) to adjust the Sub-brightness, until that the 2nd dark bar of 8 level
grey scales just can be seen.
V) Adjustment of White balance
1. Receive a black and white pattern at STANDARD status.
2. Use a color analyzer to measure the black side of the screen. By changing the value of BB and GB, set
the reading of the color analyzer to x=274, y=280.(11500 K) (Press key 0 in D-Mode)
3. Then measure the white side of the screen. By changing the value of BD and GD, set the reading of
the color analyzer to x=274, y=280. (11500 K) (Press key 0 in D-Mode)
A
a
b
c
d
8

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
4. Repeat step 2&3 until you can get the correct reading for both black and white sides.
5. DVD White Balance fine adjustment Item: UBK, VBK. (11500 K) (Press key 0 in D-Mode)
6. Setting in Original EEPROM, Warm: x=291, y=300(8500 K); Adjustment Item: WRCUT, WGCUT, WBCUT,
WGDRV, WBDRV.
7. Setting in Original EEPROM, Cool: x=265, y=265(15000 K); Adjustment Item: CRCUT, CGCUT, CBCUT,
CGDRV, CBDRV.
VI) Adjustment of Pincushion and Picture Width (for pure flat model only)
1. Receive a crosshatch pattern.
2. Adjust VR1124 until the vertical line become straight.
3. Adjust VR1123 for horizontal size.
4. Enter D-Mode, press KEY FM to select HBP, adjust for Horizontal BOW and Horizontal Parallelogram.
VII) Adjustment of Picture Geometry (PAL) <Press KEY 1 IN D-Mode>
1. Apply the crosshatch pattern (PAL signal) to the RF input, in STANDARD status.
2. Select HPOS to adjust the Horizontal center.
3. Select VP50 to adjust the Vertical center.( If Vertical output is DC Coupling, pls. adjust VCENP)
4. Select HIT to adjust the Vertical amplitude.
5. Select VLIN to adjust the vertical linearity.
6. Select VSC to adjust the vertical S-correction.
XIII) Adjustment of Picture Geometry (NTSC) <Press KEY 1 IN D-Mode>
1. Apply the crosshatch pattern (NTSC signal) to the RF input, in STANDARD status.
2. Select HPS to adjust the Horizontal center.
3. Select VP60 to adjust the Vertical center.( If Vertical output is DC Coupling, pls. adjust VCENN)
4. Select HITS to adjust the Vertical amplitude.
5. Select VLIS to adjust the vertical linearity.
6. Select VSS to adjust the vertical S-correction.
IX) Adjustment of OSD position
1. Enter D-mode and press key “1”, then choose OSDH(OSDHS) item and adjust the OSD vertical
position 50HZ(60HZ).
2. Enter D-mode and press key “NOTEBOOK”, then choose the OSD1 item and adjust the OSD
horizontal position(Volume bar, Picture bar, Half blue panel OSD).
3. Enter D-mode and press key “NOTEBOOK”, then choose the OSD2 item and adjust the OSD
horizontal position except OSD1 item.
X) LOGO setting
1. Enter D-mode and press key “6”, then choose FLG1 item and adjust.
9

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
ÆFLG1, bit 2 sets at 1, logo works;
ÆFLG1, bit 1 sets at 0, TCL logo works;
sets at 1, Customer logo /OEM logo works;
2. Customer LOGO setting
ÆMODE 2(Press key SCAN in D-Mode), bit 4 sets at 1, NOTEBOOK works;
ÆEnter Customer Logo Font, max. 9(First- ninth) fonts are available in the first line.
ÆPress “OK” in twice for save and exit, at the same time NOTEBOOK off.
ÆChoose OEMC(Press key FM in D-Mode) item to set the color of customer logo font.
ÆChoose OEMH OEMV OEMVS(Press key FM in D-Mode) items to set the position of customer
logo.
XI) D mode:
1. Press D-Mode key, you can enter D-mode.
2. Press STANDBY key, you can exit D-mode.
3. Press VOLUME DOWN key on the unit until the volume decrease to minimum level, then press the
DISPLAY key on the remote handset (don’t release the volume key) and you can enter D- mode.
10

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
After enter D-mode you can adjust the setting according to the following procedure
NOTE˖the items withγare adjustable, other items are not ,pls do not adjust them.
GROUP1 KEY 0 Default 14N23
RBγR CUT OFF [ [
GBγG CUT OFF [[&
BBγB CUT OFF [[
GDγG DRIVE [[)
BDγB DRIVE [[
UBKγDVD U level adjustment [ [
VBKγDVD V level adjustment
0: (-22mV, Input DC)
8: 0mV
F: (19mV, 2.75mV/dev)
Bits 4-7 Don’t use [ [
GROUP2 KEY 1 Default 14N23 21E/N23/26
HPOS/γHorizontal Position 50HZ [$ [& ['
HPSγHorizontal Position 60HZ [(  [
HIT/γHeight 50Hz [ [ [
HITSγHeight 60 Hz [  [
VP50γVertical Position 50Hz [ [) [
VP60γVertical Position 60HZ [  [
VLINγV Linearity 50Hz [ [ [
VLISγV Linearity 60hz [  [(
VSCγVS Correction 50Hz [ [ [
VSSγVS Correction 60HZ [  [
VBLK V BLK Start / Stop [ [ [
VCENP V CENTERING 50Hz [ [ [
VCENN V CENTERING 60Hz   [
OSDHγOSD vertical position 50HZ [ [ [
OSDHSγOSD vertical position 60HZ [%  [%
GROUP 3 KEY 3 Default 14N23 21E/N23/26
CNTX CONTRAST MAX. [ [ [
CNTN CONTRAST MIN. [ [ [
BRTX BRIGHT MAX.(difference from center) [ [ [
BRTN BRIGHT MIN.(difference from center) [ [ [
COLX COLOR MAX.(difference from center) [) ;) ;
COLN COLOR MIN. [ [ ;
TNTX TINT MAX.(difference from center) [$ [$ [$
TNTN TINT MIN.(difference from center) [ [ ;$
11

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
GROUP 4 KEY 4 Default 14N23 21E/N23/26
BRTCγBRIGHT CENTER 0x38 0x38 0x38
COLCγCOLOR CENTER NTSC 0x3A 0x3A 0x37
COLSγCOLOR CENTER SECAM 0x50 0x50 0x3A
COLPγCOLOR CENTER PAL(shift data from COLC) 0xFD 0xFD 0xFD
SCNT SUB CONTRAST 0x0F 0x0F 0x0D
CNTCγCONTRAST CENTER 0x41 0x41 0x41
TNTCγTINT CENTER 0x41 0x41 0x3F
GROUP 5 KEY 5 Default 14N23 21E/N23/26
ST3 SHARP CENTER 3.58NTSC TV 0x1B 0x1B 0x14
SV3 SHARP CENTER 3.58NTSC VIDEO 0x20 0x20 0x18
ST4 SHARP CENTER OTHER TV 0x1B 0x1B 0x14
SV4 SHARP CENTER OTHER VIDEO 0x20 0x20 0x18
SVD SHARP CENTER DVD 0x18 0x18 0x18
ASSH ASYMMETRY-SHARPNESS 0x05 0x05 0x00
SHPX SHARP MAX.(difference from center) 0x07 0x07 0x07
SHPN SHARP MIN.(difference from center) 0x14 0x14 0x08
GROUP 6 KEY 6 Default
OPT OPTION DATA [
0 D mode key 0: No use 1 :use 
1 0:normal 1: mute sound when no sync in TV 
2 0:NORMAL 1: mute video during change channel 
3 au gain 0:50khz 1: 25khz 
4 when no sync 1: AFT 0: no AFT 
5 AV change 1: mute 0: no mute sound 
6 Korea PAL50 BLINK function 1:enable 0:disable 
7 standby state 0: high standby 1: low standby 
FLG0  [ [
0 OVER MOD 
1 N Buzz Cancel 
2 Pin 56 function 1: AV1/AV2 0:Mute pin
3 SLO f0 shift 
4 hotel mode TV mode enter 
5 hotel mode AV mode enter 
6 hotel mode 
7 VCO readjust when position select 0:enable
1:disable

12

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
FLG1  ['&
0 0: 6 key 1: 7 key 
1 OEM LOGO 0:Use TCL LOGO 1:Use OEM LOGO 
2 LOGO 0:disable 1:enable 
3 TINT por 
4
5
PIF SELECT 00:38MHz 01:38.9MHz
10:45.75MHz 11:Don’t Use




6 Secam 0:disable 1:enable 
7 APC 0:PRESET 1:AUTO 
STBY   [)
0
1
2
3


hd kill timer set *40us









4 when STBY.5=0 ,after AC on 0: standby 1: power on 
5 after AC power on, 0: ref STBY.4 1: last state 
6 Biological Clock 0:disable 1:enable 
7 Child Lock 1:disable 0:enable 
HD DELAY 0x0C
MODE0 0x13
0 FS/VS Select 0:VS TUNER 1:FS Tuner 
1 English language select 
2 Arabic language select /Thailand 
3 Vietnam language select 
4 mute type 0: y mute 1: RGB mute 
5 when mode0.7 = 1 ; preset sound system after ASM 
6 00: BG 01 :I 10:DK 11: M 
7 preset sound system after ASM 0:Disable 1:Enable 
13

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
MODE1 0x57
0 BG system enable 
1 I system enable 
2 DK system enable 
3 M system enable 
4 VIDEO2 enable 
5 video3 enable 
6 YUV enable 
7 Thailand Dual language 0:Disable 1:Enable
MUTT standby -->wake time 0x00
STAT contrast up timer after standby off 0x00
GROUP 7 KEY 7 
RFAGCγRF AGC [
SBY SECAM B-Y BLACK ADJUST [
SRY SECAM R-Y BLACK ADJUST [
BRTSγSUB BRIGHT shift data of BRTC [
TXCX TEXT RGB CONTRAST MAX. [)
RGCN TEXT RGB CONTRAST MIN. [
BBCT SECAM MODE [
GROUP 9 KEY 8 
V05 VOLUME 05 [
V10 VOLUME 10 ['
V30 VOLUME 30 [
V50 VOLUME 50 [
V70 VOLUME 70 ['
V90 VOLUME 90 [
V100 VOLUME 100 [
GROUP10 KEY 9 
SVM SVM [
PYNX Normal H.SYNC max [
PYNN Normal H.SYNC min [
PYXS Search H.SYNC max [
PYNS Search H.SYNC min [(
14

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
GROUP 11 KEY CALENDAR 
CLTB TV mode & SOUND SYS = BG [
CLTD TV mode & SOUND SYS != M,BG0x05
CLTM TV mode & SOUND SYS = M [&
CLVO VIDEO [)
CLVD YUV MODE [
CLTB CLTD CLTM CLVO CLVD bit setting
7 KILLER OFF 
6 P/N ID 
5 C GAMMA 
4
3
NTSC-MATRIX

2
1
0

Y DL

ABL 0x27
7Auto Sleep
0:Waking up State 1:Enter Auto sleep State

6 OSD ABL Mode
0: ABL is effective to OSD 1: Ineffective

5 Don’t use 
4 Y Peak Limit Switch 0: On 105 IRE 1: Off 

3
2
ABL Start Point 00: 0V 01: -0.20V
10: -0.30V 11: -0.40V 

1
0
ABL Gain 00: -0.20V 01: -0.35V
10: -0.50V 11: -0.65V 
DCBS VIDEO DATA SETUP [
0~3 Y GAMMA BLACK STRETCH 
4~5 OSD LEVEL 
DEF V AGC SELECT [
0 V AGC reference, 0:depends on YC Vcc 
 1:Depends on integrated regulator 
15

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
GROUP 14 KEY NOTE-BOOK 
OSD1γOSD Horizontal Position(volume bar, Picture bar,
Half blue panel OSD) [
OSDF1 OSD PLL DATA(volume bar, Picture bar, Half
blue panel OSD)
 [$
OSD2γOSD Horizontal Position except OSD1 items [%
OSDF2 OSD PLL DATA except OSDF1 items  [
HAFC  [
0 when nois.2 = 1 ; TV hafc gain 
1 if nois.2 = 0 TV hafc gain depend on noise(0~1) 
2 in video mode hafc gain 
3 
NOIS HAFC DATA [
0 noise det 
1 
2 fix the hafc gain 
UCOM MCU DATA [
New Factory Adjustable Items Descriptions for M28L(G2 Solution) V1.0
Group KEY SCAN
Items Bit Description Default
0: Off
0 SY SKEW 1: Sync skew detection on
0: 2.75MHz
1 SHR f0 1: 4 MHz
0: Cb/Cr, Cr input(#21) gain up,+3dB
2 U/V SW 1: U/V
0: Main OSD = 30% : 70%
3 HT Gain 1: Main OSD = 50% : 50%
4
5
Chroma Trap
Mode Select


00: Interlocking “Video Switch”
01: Same as “00”
10: C-Trap Off Not Interlocking
11: C-Trap On Not Interlocking
VCD0
6
7Audio Monitor
00: Normal, depending on Audio Switch
01: TV
10: Mute
11: Mute
0x00
16

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
Group KEY SCAN
Items Bit Description Default
0Don’t use
0: Off
1 H SBLK 1: On, 92%(FBP BLK off, then internal BLK
ON)
00: Internal BPF mode
01: Not Use
10: Not Use
2
3FM BPF
11: External BPF mode
00: 2.10 Vp-p
01: 2.20 Vp-p
10: 2.30 Vp-p
4
5
PIF Detected
Level
11: 2.40 Vp-p
00: ALC off
01: 1.1 Vp-p
10: 1.6 Vp-p
VCD1
6
7ALC Gain
11: 2.3 Vp-p
0x41
Group KEY SCAN
Items Bit Description Default
0: Off
0 Spot Kill 1: & BB: (1), then RGB out: (110 IRE)
0: Off
1Y Coring
Switch 1: On
00: 0 V
01: -0.2 V
10: -0.3 V
2
3
ACL Start
Point
11: -1.0 V(ACL Off)
0: Off
4Black Stretch
Switch 1: On
0: Low
5 C Trap Q 1: High
6 BPF SW
0: Normal, CVBS signal passes along BPF
1: By Pass, CVBS signal doesn’t pass along
BPF
VCD2
7 Don’t use 
0x34
17

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
Group KEY SCAN
Items Bit Description Default
21E/N23/26
00: SHARP
01: TCL/PHILIPS
10: ALPS
0 - 1 Tuner Select
11: SHARP
1˖Always power on
2Power on mode for factory
aging 0˖Depend default
1˖Zoom key enable
3 Zoom key Switch 0˖Zoom key disable
1: ON
4Switch for startup notebook in
d-mode 0: OFF
1: > 2.5 V then active
5 X-Ray protection mode 0: < 2.5V then active
1: Internal ATT
6 Volume adjustment mode 0: External Power AmplifierAtt
0: Off
MODE2
7 Hi Senstive 1: On
0x82 0x09
0: Normal
0 Sync slice level for week signal 1: Low
0: 40%
1 Sync separation level select 1: 50%
0: BUS(Internal)
2 Select H Sync judgment 1: TC3(External)
SYNC
DET
3~7 Don’t use 
0x02
0 - 1 Sync Detection Setting for Blue
Black on
00: H-Lock
01: Don’t use
02: V-Lock
2 - 5
Select the input IF signal level
of sync lock detection when
Blue Black is on.
bit 5 4 3 2
1 0 0 0: -8dB weak
signal
1 0 1 0: -4dB
1/011/00: 0dB
Others: Don’t use
SYBBN
6 - 7 Don’t use
0x20
18

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
Group KEY SCAN
Items Bit Description Default
0 - 1 Sync Detection Setting for Blue
Black off
00: H-Lock
01: Don’t use
02: V-Lock
2 - 5
Select the input IF signal level of
sync lock detection when Blue
Black is off.
bit 5 4 3 2
1 0 0 0: -8dB weak signal
1 0 1 0: -4dB
1/011/00: 0dB
Others: Don’t use
SYBBF
6 - 7 Don’t use
0x20
0 - 1 Sync Detection Setting for Search
and Tuning
00: H-Lock
01: Don’t use
02: V-Lock
2 - 5 Select the input IF signal level of
sync lock detection.
bit 5 4 3 2
1 0 0 0: -8dB weak signal
1 0 1 0: -4dB
1/0 11/0 0: 0dB
Others: Don’t use
SYSR
6 - 7 Don’t use
0x20
0,1,2: Don’t use
3: S/N High
0 - 3 Noise Detection
F: S/N Low
NOIS DET
4~7 Don’t use 
0x0F
Group KEY AT
Items Bits Description Default
0: Sound Trap Off
1: f0 tuning min
0 – 3 S-Trap f0 for BG
F: f0 tuning max
STBG
4~7 Don’t use 
0x08
Group KEY AT
Items Bits Description Default
0: Sound Trap Off
1: f0 tuning min
0 – 3 S-Trap f0 for I
F: f0 tuning max
STI
4~7 Don’t use 
0x08
0: Sound Trap Off
1: f0 tuning min
0 – 3 S-Trap f0 for DK
F: f0 tuning max
STDK
4~7 Don’t use 
0x08
19

TTECorporation R&D Center (Shen’Zhen Lab)
Chassis Name M28SP(G8) Serial No.
Issued on 2006-06-02
Updated on 2007-3-21 Version 3.1
0: Sound Trap Off
1: f0 tuning min
0 – 3 S-Trap f0 for I
F: f0 tuning max
STM
4~7 Don’t use 
0x08
00: Off
01: 60nS
0
10: 90nS
1
Sound Trap GD for BG
11: 120nS
00: Q = 3
01: Q = 5
2
10: Q = 7
3
Sound Trap Q for BG
11: Q = 9
00: Off
01: 1 dB HPF
4
10: -3 dB LPF
5
Sound Trap HP/LP for BG
11: -2 dB LPF
SSBG
6~7 Don’t use 
0x00
00: Off
01: 60nS
0
10: 90nS
1
Sound Trap GD for I
11: 120nS
00: Q = 3
01: Q = 5
2
10: Q = 7
3
Sound Trap Q for I
11: Q = 9
00: Off
01: 1 dB HPF
4
10: -3 dB LPF
5
Sound Trap HP/LP for I
11: -2 dB LPF
SSI
6~7 Don’t use 
0x00
Group KEY AT
Items Bits Description Default
00: Off
01: 60nS
0
10: 90nS
1
Sound Trap GD for DK
11: 120nS
00: Q = 3
01: Q = 5
SSDK
2
Sound Trap Q for DK
10: Q = 7
0x00
20