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S/M NO. : TSL300VEF0

TFTV68HDT
TFTV81HDT
TFTV93HDT
TFTV106HDT

MAR. 2007
Contents
1. Safety Precaution 3

2. Preliminary Troubleshooting 4

3. Product Specification 5
1) Standard of Product 5
2) Available Input Signal 6
3) Available PIP Mode 6

4. Service Remote Controller 7
1) Key Arrangement 7
2) EEPROM Data 8

5. Block Diagram 11

6. Hardware Troubleshooting : Digital Board 12

7. Hardware Troubleshooting : SMPS 16
1) FEL-3237A : TFTV68HDT, TFTV81HDT, TFTV93HDT 16
2) FEL-42C1 : TFTV106HDT 18

8. Bill Of Materials 20
1) TFTV68HDT 20
2) Differental Materials Besides Mechanical Parts 29

9. How to S/W Upgrade Tools 30
1) Requirements 30
2) Outline of the S/W upgrade tool, which is DTV_Updater.exe 30
3) How to upgrade decoder of LCD TV 31
4) How to upgrade PIC micom of LCD TV 35

10. Schematics : Digital Board 40

11. Schematics : SMPS 49
1) FEL-3237A : TFTV68HDT, TFTV81HDT, TFTV93HDT 49
2) FEL-42C1 : TFTV106HDT 50

12. Mechanical Development Figure 51
1) TFTV68HDT 51
2) TFTV81HDT 52
3) TFTV93HDT 53
4) TFTV106HDT 54

-2-
1. Safety Precaution

(1) When moving or laying down a LCD Set, at least two people must work together. Avoid any
impact towards the LCD Set.

(2) Do not leave a broken LCD Set on for a long time. To prevent any further damages, after
checking the condition of the broken Set, make sure to turn the power (AC) off.

(3) When opening the BACK COVER, you must turn off power (AC) to prevent any electric
shock.

(4) When loosening screws, check the position and type of the screw. Sort out the screws and
store them separately for reassembling. Because screws holding PCBs are working as
electric circuit grounding, make sure to check if any screw is missing when assembling /
reassembling. Do not leave any screws inside the set.

(5) A LCD Set contains different kinds of connector cables. When connecting or disconnecting
cables, check the direction and position of the cable beforehand.

(6) Connect/disconnect the connectors slowly with care especially FFC (film) cables and FPC
cables. Do not connect or disconnect connectors instantaneously with force, and handle
them carefully for reassembling.

(7) Connectors are designed so that if the number of pins or the direction does not match,
connectors will not fit. When having problem in plugging the connectors, check their kind,
position, and direction.

-3-
2. Preliminary Troubleshooting

1) LCD TV does not response or remote controller does not work.
- Check the power cord to be plugged.
- Check the battery of the remote controller.

2) Sound is discontinuous or broken sometimes.
- Check if [SOUND] -> [AVC] is [ON].
- Set the sound effect into 'F Mono'.
- Set the [SOUND] -> [DTV Volume] into proper value.
- [DTV Volume] is enabled only in digital program.

3) Picture of digital program is sometimes broken and sound is discontinuous.
- Digital program has a little problem because of signal receiving status.
- Check if the RF cable is correctly connected.
- Ask for the broadcasting station if the RF cable connection has no problem.

4) Picture of analog program is noisy.
- Check the RF cable connection.
- Check if [Picture] -> [Noise Reduction] is ON.
- Change the [Install] -> [Programme Setup] -> [Fine] value.

5) Sound is not generated in HDMI mode.
- Reconnect HDMI jack.
- DVI signal has no sound. Check the output signal of device to be connected to LCD TV.
- If you want to use DVI-HDMI cable, you should also connect audio cable into the LCD TV.

6) In spite of 'Auto Setup', picture size is not completely adapted to the screen.
- Check if the input signal is available.
- Ensure that the desktop has no black area.
- Some errors (picture position problem) will be occurred according to certain video card.
In this case, you should adjust 'Frequency' control.

7) In spite of 'Auto Setup', picture is not clear.
- Adjust 'Phase' control.

-4-
3. Product Specification

1) Standard of Product

Features TFTV68HDT TFTV81HDT TFTV93HDT TFTV106HDT

LCD Panel Panel Model LTA260W3_L01 LTA320WT-LF2 LC370WX1-SL01 LC420WX5-SLA1
Screen Size 68 cm 81 cm 93 cm 106 cm
Aspect Ratio 16 : 9 16 : 9 16 : 9 16 : 9
Resolution 1366 X 768 1366 X 768 1366 X 768 1366 X 768
(WXGA) (WXGA) (WXGA) (WXGA)
Pixel Pitch 0.42150 mm 0.51075 mm 0.60000 mm 0.68100 mm
Contrast Ratio 3000 : 1 (MAX) 3000 : 1 (MAX) 3000 : 1 (MAX) 3000 : 1 (MAX)

TV System Receiving DVB-T DVB-T DVB-T DVB-T
System PAL-B/G PAL-B/G PAL-B/G PAL-B/G
PAL-B/H PAL-B/H PAL-B/H PAL-B/H
NTSC (AV) NTSC (AV) NTSC (AV) NTSC (AV)

LVDS Cable FI-E30S FI-E30S FL-X30SSL-HF FL-X30SSL-HF

LVDS B+ +5V +5V +12V +12V

Input Connector RF 50 Ohm Coaxial 50 Ohm Coaxial 50 Ohm Coaxial 50 Ohm Coaxial
S-Video / Video 2 2 2 2
Component RCA X 2 RCA X 2 RCA X 2 RCA X 2
PC RGB D-Sub X 1 D-Sub X 1 D-Sub X 1 D-Sub X 1
PC Audio 3.5 mm Mini - Jack 3.5 mm Mini - Jack 3.5 mm Mini - Jack 3.5 mm Mini - Jack
HDMI 1 1 1 1

Output SPDIF Optical - Jack Optical - Jack Optical - Jack Optical - Jack
Connector Headphone X X X X
Monitor - out 1 1 1 1

Sound Output Max. 10W 10W 10W 10W

Power Module Model FEL-3237A FEL-3237A FEL-3237A FEL-42C1

Power Max. 110W 155W 195W 198W
Consumption Power Source 220-240V~ 220-240V~ 220-240V~ 220-240V~
50-60Hz 50-60Hz 50-60Hz 50-60Hz
Dimension Set Dimension 674 x 550 x 240 mm 806 x 626.5 x 240 mm 940 x 720 x 328.7 mm 1060 x 823 x 328 mm
(W x H x D) (with stand)
Set Dimension 674 x 496 x 114 mm 806 x 574.5 x 110 mm 940 x 655 x 129 mm 1060 x 758 x 132.5 mm
(without stand)

Owing to our policy of continuous improvement, specifications may change.

-5-
Product Specification

2) Available Input Signal

INTERFACE SOURCE VF INTERFACE SOURCE VF
RF PAL-B/G, B/H 50Hz HDMI 640x480 60Hz
DVB-T 50Hz 640x480 75Hz
VIDEO PAL-B/G, B/H 50Hz 800x600 60Hz
PAL-60 60Hz 800x600 72Hz
NTSC-M 60Hz 800x600 75Hz
NTSC-443 60Hz 1024x768 60Hz
S-VIDEO PAL-B/G, B/H 50Hz 1024x768 70Hz
PAL-60 60Hz 1024x768 75Hz
NTSC-M 60Hz 1280x1024 60Hz
NTSC-443 60Hz 1360x768 60Hz
COMPONENT 480i 60Hz 480p 60Hz
480p 60Hz 576p 50Hz
576i 50Hz 720p 50Hz
576p 50Hz 720p 60Hz
720p 50Hz 1080i 50Hz
720p 60Hz 1080i 60Hz
1080i 50Hz
1080i 60Hz
PC 640x480 60Hz
640x480 75Hz
800x600 60Hz
800x600 72Hz
800x600 75Hz
1024x768 60Hz
1024x768 70Hz
1024x768 75Hz
1280x1024 60Hz
1360x768 60Hz

3) Available PIP Mode

MODE Analog RF Digital RF VIDEO 1 VIDEO 2 COMP 1 COMP 2 HDMI PC
ATV X X X X O O X X
DTV X X O O O O X X
VIDEO 1 X O X X X X X X
VIDEO 2 X O X X X X X X
COMP 1 O O X X X X X X
COMP 2 O O X X X X X X
HDMI X X X X X X X X
PC X X X X X X X X

-6-
4. Service Remote Controller

1) Key Arrangement

ChSet

Recall
Volume
HEAT-RUN
PQ
SVPPX Hotel Lock

MPEG PreScale

W/B
MISC
Reset
Pattern

-7-
Service Remote Controller

2) EEPROM Data

Key Content Default Value Description
S2 ChSet Panel Model SS32 Current LCD Panel
EDID & Ch Set 0 EDID & CH Update
S3 Volume Volume Test 0 Don't Care
S4 SVPPX PAL Sub Brt 0x20 ATV Bright Control
PAL Sub Cont 0x80 ATV Contrast Control
AV Sub Brt 0x20 Video Bright Control
AV Sub Cont 0x80 Video Contrast Control
Video Sub Cb Sat 0x80 Video Cb Color
Video Sub Cr Sat 0x80 Video Cr Color
Video Sub Hue 0x0 Video Hue
Video YC Delay 0x0 Video YC Delay
Pedestal ON Pedestal Level ON/OFF
Chroma AGC 0x8A Sub Carrier AGC
CVBS AGC ON CVBS AGC
Anti-alias OFF Anti-alias ON/OFF
PC G Clamp 0x44 PC G Clamp Level Control
PC B Clamp 0x44 PC B Clamp Level Control
PC R Clamp 0x44 PC R Clamp Level Control
PC G Gain 0x50 PC G Gain Control
PC B Gain 0x50 PC B Gain Control
PC R Gain 0x50 PC R Gain Control
Com 480i Y Clamp 0x30 480i Y Clamp Level Control
Com 480i Pb Clamp 0x200 480i Pb Clamp Level Control
Com 480i Pr Clamp 0x200 480i Pr Clamp Level Control
Com 480i Y Gain 0x50 480i Y Gain Control
Com 480i Pb Gain 0x50 480i Pb Gain Control
Com 480i Pr Gain 0x50 480i Pr Gain Control
Com HD Y Clamp 0x30 480p~ Y Clamp
Com HD Pb Clamp 0x200 480p~ Pb Clamp
Com HD Pr Clamp 0x200 480p~ Pr Clamp
Com HD Y Gain 0x50 480p~ Y Clamp
Com HD Pb Gain 0x50 480p~ Pb Clamp
Com HD Pr Gain 0x50 480p~ Pr Clamp
Sync Threshold 0x0 Component Sync Slicing Level Control
S5 PQ Dp B/L Cont 0 Black & White Contrast
Main CVBS Cont 128 Main Picture CVBS Contrast
Main CVBS Bright 128 Main Picture CVBS Brightness
Main DTV Cont 128 Main Picture DTV Contrast
Main DTV Bright 112 Main Picture DTV Brightness
Main HDMI Cont 128 Main Picture HDMI Contrast
Main HDMI Bright 128 Main Picture HDMI Brightness
Main Comp PC Cont 130 Main Picture COMP & PC Contrast

-8-
Service Remote Controller

Key Content Default Value Description
Main Comp PC Bright 120 Main Picture COMP & PC Brightness
PIP CVBS Cont 128 Sub Picture CVBS Contrast
PIP CVBS Bright 138 Sub Picture CVBS Bright
PIP DTV Cont 138 Sub Picture DTV Contrast
PIP DTV Bright 128 Sub Picture DTV Brightness
PIP COMP Cont 128 Sub Picture COMP Contrast
PIP COMP Bright 128 Sub Picture COMP Brightness
Dp Hue 64 Main Picture Tint Control
Main V Delay 8 Main Picture Cr Delay
Main U Delay 8 Main Picture Cb Delay
Sub V Delay 8 Sub Picture Cr Delay
Sub U Delay 8 Sub Picture Cb Delay
Peaking 38 Peaking Control
APL Enable ON APL Enable
APL Luma Factor 192 APL Luma Factor
APL Gain 128 APL Gain
Filter 0 Band Pass Filter
Gamma Enable ON Gamma Enable
S6 Hotel Lock CH Preset Lock OFF Auto Programme function ON/OFF
Volume Max 100 Max Volume
AV Lock OFF AV Lock ON/OFF
Child Lock OFF Child Lock ON/OFF
RF Auto YES Auto shutdown without signal at RF
S7 MPEG DTV V Size 100 Don't Care
DTV H Size 93 Don't Care
DIAHighThreshold Y 0 Don't Care
DIAHighThreshold C 0 Don't Care
DIALowThreshold Y 0 Don't Care
DIALowThreshold Y 0 Don't Care
S8 WB Bias R 31 R Bias
Bias G 31 G Bias
Bias B 34 B Bias
Gain R 22 R Gain
Gain G 32 G Gain
Gain B 30 B Gain
Sub Brt 31 Don't Care
Sub Cont 0 Don't Care
Contrast-R 1.039 Don't Care
Contrast-G 1.078 Don't Care
Contrast-B 1.070 Don't Care
S9 PreScale SC Pscale 22 Don't Care
FM Pscale 24 Don't Care

-9-
Service Remote Controller

Key Content Default Value Description
Stereo ID 10 Don't Care
Dimming(LCD) 255 Don't Care
SSC Enable ON Spread Spectrum ON/OFF
SSC Delta 0 Don't Care
SSC posi 0 Don't Care
SSC nega 0 Don't Care
BBE Level 48 BBE Level
MVOICE Level 96 MVOICE Level
Sound Delay(ms) 40 Sound Delay
S10 MISC Panel Model SS32 Current LCD Panel
EDID Update OFF EDID Update
Model SL-300V Chassis
S/W Version SL-300V_##_####_L######V#DP Decoder S/W Version
Micom Version SL-300V_L######V##M PIC Micom S/W Version
Micom Update OFF Micom Update Mode
OS_DbgPrintf OFF Debugging Mode
Digital Signal Status OFF Digital Signal Status
Digital Index Status OFF Don't Care
RF Software Update OFF RF S/W Update Mode
S1 HeatRun Enable OFF HeatRun Enable Mode
Digital Index level 0 Don't Care
S11 Pattern Test Pattern 0 Don't Care
S12 Reset Factory Reset 0 Factory Reset
Eeprom Reset 0 EEPROM Reset