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Troubleshooting
4. Troubleshooting
4-1 Troubleshooting
4-1-1 First Checklist for Troubleshooting
1. Check the various cable connections first.
- Check to see if there is a burnt or damaged cable.
- Check to see if there is a disconnected or loose cable connection.
- Check to see if the cables are connected according to the connection diagram.
2. Check the power input to the Main Board.
3. Check the voltage in and out between the SMPS Main Board, between the SMPS X, Y Main Board, and between the
Logic Boards.
Samsung Electronics 4-1
Troubleshooting
4-1-2 Checkpoints by Error Mode
No Power
- The LEDs on the front panel do not work when connecting the power cord.
Symptom - The SMPS relay does not work when connecting the power cord.
- The unit appears to be dead.
The SMPS relay or the LEDs on the front panel does not work when connecting the power cord if the cables
are improperly connected or the Main Board or SMPS is not functioning. In this case, check the following:
- Check the internal cable connection.
Major Checklist
- Check the fuses.
- Check the output voltage of the SMPS.
- Replace the Main Board.
Troubleshooting
Procedures
Is the AC IN socket connector and No Insert the AC in connector and the
the SMPS CN800 connected? SMPS CN800 connector
Yes
Is the Fuse (F801S) of the SMPS Yes
Power Input Part blown?
Replace Fuse (F801S)
No
SMPS CN801 No
Pin 3 : STB 5V
Pin 2 PS-ON : Check to see if it is 0V
Replace the SMPS
Yes
Replace the Main Board
4-2 Samsung Electronics
Troubleshooting
When the unit is repeatedly turning on and off
Symptom - The SMPS relay is repeatedly turning on and off.
In general, the SMPS relay repeatedly turns on and off by the protection function due to a defect on a board
connected to the SMPS.
- Disconnect all cables from the SMPS, operate the SMPS alone and check if the SMPS works properly and if
Major Checklist each voltage output is correct.
- If the symptom continues even when SMPS is operated alone, replace the SMPS.
- If the symptom is not observed when operating the SMPS alone, find any defective assemblies by connecting
the cables one by one.
Troubleshooting
Procedures
Does the symptom continue when No Replace the Y Main Board
connecting the power after removing
CN810 from the SMPS?
Yes
Does the symptom continue when No
connecting the power after removing Replace the X Main Board
CN809 from the SMPS?
Yes
Does the symptom continue when No
connecting the power after removing
CN807 from the SMPS?
Replace the Logic Board
Yes
Replace the SMPS
WHEN SEPARATING AND CONNECTING THE CABLES SUCH AS CN810, CN809, CN808, CN807 OF THE
MAIN SMPS, CN4701 OF THE X MAIN BOARD, AND CN5707 OF THE Y MAIN BOARD, A SPARK MAY BE
Caution
GENERATED BY THE ELECTRIC CHARGE OF THE HIGH CAPACITY CAPACITOR. THEREFORE, WAIT
SOME TIME AFTER DISCONNECTING THE POWER CORD FROM THE UNIT.
Samsung Electronics 4-3
Troubleshooting
No Picture (When audio is normal)
Symptom - Audio is normal but no picture is displayed on the screen.
- This may happen when the Main Board is functioning but the X, Y Main Board, Logic Board, or Y Buffer
Boards are not.
Major Checklist
- The output voltage of the Main SMPS.
- This may happen when the LVDS cable connecting the Main Board and the Logic Board is disconnected.
CN810
CN809
CN808
CN807
Troubleshooting
Procedures
Are the Vs and Va voltages normal after No Replace the SMPS
removing all cables from the SMPS?
(CN810, CN809, CN808, CN807)
Yes
No
Did problem improve? Replace the Y Main Board
Yes
No
Did problem improve? Replace the X Main Board
Yes
No
Did problem improve? Replace the Logic Board
Yes
No
Did problem improve? Replace the Y Scan Board
WHEN SEPARATING AND CONNECTING THE CABLES SUCH AS CN810, CN809, CN808, CN807 OF THE
MAIN SMPS, CN4701 OF THE X MAIN BOARD, AND CN5707 OF THE Y MAIN BOARD, A SPARK MAY BE
Caution
GENERATED BY THE ELECTRIC CHARGE OF THE HIGH CAPACITY CAPACITOR. THEREFORE, WAIT
SOME TIME AFTER DISCONNECTING THE POWER CORD FROM THE UNIT.
4-4 Samsung Electronics
Troubleshooting
No Sound
Symptom - Video is normal but there is no sound.
- When the speaker connectors are disconnected or damaged.
Major Checklist - When the sound processing part of the Main Board is not functioning.
- Speaker defect.
Troubleshooting
Procedures
Is the cable connection between the No Connect the cable properly or
Main Board and the speaker
properly connected?
replace the cable, if necessary.
Yes
Is the output voltage of SMPS normal? No
(CN801 #13) Replace the SMPS
Yes
Is the speaker output terminal No
of the Main Board normal? Replace the Main Board
Yes
Replace the Speaker
Samsung Electronics 4-5
Troubleshooting
No Video
Symptom - A normal/cable network analog broadcast screen is blank or abnormal but OSD is OK.
- Check the antenna connection settings (Air: NTSC / ATSC, Cable: NTSC)
Major Checklist - Check the CVBS cable connection.
- Check the power input of the Main board.
Troubleshooting
Procedures
Is the antenna connection setting No
properly configured? Configure properly
Yes
No
Check CN1101 pin2 for +33V Replace the SMPS
Yes
Replace the Main Board
4-6 Samsung Electronics
Troubleshooting
SMPS Troubleshooting
Power ON
Abnormal
STD_5V Check the ICB802, DB864, FB801, F801S
Normal PS-ON
Abnormal
VA Check the SUB2, QX801,QX802
Check the
Abnormal 5.3V : ICX808, QX806
Multi 12V : ICX803
VG : ICX805
18Vamp : ICX804
Normal VS-ON
Abnormal
VS Check the SUB1,QS801,QS802
Normal
Check the Other board (Image Board or Driver Board) or Cable.
Samsung Electronics 4-7
Troubleshooting
Drive Board Troubleshooting
1) Troubleshooting Summary
Condition Name Description Related Board
No Voltage Output Operating Voltage don't exist PSU
No Display Operating Voltage exist, but an Image doesn't exist on screen Y-MAIN, X-MAIN, Logic Main, Cable
Abnormal Display Abnormal Image (not open or short) is no screen Y-MAIN, X-MAIN, Logic Main
Sustain Open Some horizontal lines don't exist on screen Scan Buffer, FPC of X/Y
Sustain Short Some horizontal lines appear to be linked on screen Scan Buffer, FPC of X/Y
Address Open Some vertical lines don't exist on screen Logic Main, Logic Buffer, TCP
Address Short Some vertical lines appear to be linked on screen Logic Main, Logic Buffer, TCP
4-8 Samsung Electronics
Troubleshooting
2) Troubleshooting Procedure in Abnormal Conditions
No Display
No Display is related with Y-MAIN, X-MAIN, Logic Main and so on.
This page shows you how to check the boards, and the following pages show you how to find the defective board.
No Display
[ Logic Main ] [ Y-MAIN ] [ X-MAIN ]
LED Blinks Check necessary points Check necessary points
[ Logic Main ]
Check if power is supplied
( 5V, 3.3V )
YES NO
Check the LED Check the
operation power connectivity
YES NO
Check if internal is Check the Check the FUSE
Default Black MICOM operation
Check the
Check if any address Check the ASIC input voltage
data output is detected Control Signal output
If the input voltage is
Check if the data abnormal, replace the
and control signals PSU and check it
between DDR & ASIC again as this indicates
are normal a PSU output error
[ Y-MAIN ] [ X-MAIN ]
Check several points Check several points
F5001 for VDD OPEN F4001 for VCC OPEN
F5002 for Vs F4002 for Vs
FUSE Replace the Board FUSE Replace the Board
F5004 for VCC F4004 for VDD
F5005 for OUT_L F4005 for Ve
OK OK
Q4002~Q4003
Q5009~Q5021 SHORT SHORT
FET/ Q4011~Q4016 FET/
D5005, D5007 Replace the Board Replace the Board
DIODE D4004 DIODE
D5008
D4006~D4008
OK OK
Y-MAIN X-MAIN
Normal State Normal State
Samsung Electronics 4-9
Troubleshooting
Abnormal Display(Abnormal Image is on Screen.(except abnormality in Sustain or Address))
Abnormal Display is related with Y-MAIN, X-MAIN, Logic Main and so on.
This page shows you how to check the boards, and the following pages show you how to find the defective board.
Abnormal
Display
[ Logic Main ]
[ Y-MAIN ] [ X-MAIN ]
Observation of
Check necessary points Check necessary points
abnormal display
[ Logic Main ]
LED Blinks
( action of Vsync )
Regular NO
Logic Main
abnormal
Normal State
pattern
YES
Replace the Board Replace Panel
[ Y-MAIN ] [ X-MAIN ]
Check several points Check several points
F5001 for VDD OPEN F4001 for VCC OPEN
F5002 for Vs F4002 for Vs
FUSE Replace the Board FUSE Replace the Board
F5004 for VCC F4004 for VDD
F5005 for OUT_L F4005 for Ve
OK OK
SHORT SHORT
Q4002~Q4003
Q5009~Q5021 FET Replace the Board FET Replace the Board
Q4011~Q4016
OK OK
Y-MAIN X-MAIN
Normal State Normal State
4-10 Samsung Electronics
Troubleshooting
Sustain Open (some horizontal lines don't exist on screen)
[ Y-FPC ]
Sustain Open
NG
After Changing Y-buffer, Replace the Panel
recheck the status There is a defect on the FPC
OK
Done
(Defect is from Y-buffer)
Sustain Short (some horizontal lines appear to be linked on Video)
[ Y-FPC ]
Sustain Short
(Discharging in unwanted Scan line)
NG
After Changing Y-buffer, Replace the Panel
recheck the status There is a defect on the FPC
OK
Done
(Defect is from Y-buffer)
Samsung Electronics 4-11
Troubleshooting
Address Open, Short
Address Open and Short is related with Logic Main, Logic Buffer, FFC, TCP film and so on.
This page shows you how to check the boards, and the following pages show you how to find the defective board.
[ Logic Main ]
Address Open/Short
Check the LED operation
LED2011 : blink
LED2010 : on
NG NG
Check if the internal mode Check the check the voltage of
screen is normal Video Board C2901, C2902, C2903 is 1.25V
OK OK
OK
NG
Reload the data onto the
MICOM and recheck it
Check if a specific TCP Block check the voltage of
screen is displayed abnormally U2650 pin1 is 3.3V
Check if there is an open or
short circuit on the Buffer Board
and the Logic Main address
data output section.
Check the FFC connection status
OK
NG NG
Check the detailed waveform Replace Logic Main /
and control the signal waveform Address Buffer (E or F) /
FFC
NG
OK
DONE
Replace the Panel
4-12 Samsung Electronics
Troubleshooting
4-1-3 Faults and Corrective Actions
Symptom Related Image Causes and Countermeasures
A blank vertical cell (block) Address buffer defect
appears on the screen. - Replace the corresponding upper/lower
buffers (E, F)
COF defect (burnt)
- Replace the module
A green screen appears when The Scale is not reseting
the TV is turned on. - Replace the Main board
The OSD box appears but there Incorrect program version
is no text. - Check the version of each program
- Replace the Main board
A blank upper (or lower) block Upper/Lower Y Buffer defect
appears on the screen. - Replace the corresponding upper/lower
buffers (E, F)
Samsung Electronics 4-13
Troubleshooting
Symptom Related Image Causes and Countermeasures
Either the main or sub picture Replace the Main board
does not appear.
A vertical green line appears on The SMPS voltage is incorrect
the screen. - Adjust the SMPS voltage according to
the voltage printed on the module label
Dim screen (blurred in red) X-Main board defect
- Replace the X-Main board
A blank screen appears - Replace the Y-Main board
4-14 Samsung Electronics
Troubleshooting
4-1-4 Troubleshooting Procedures by assembly
No Assembly Major Symptoms
1 SMPS-PDP TV No power, Blank screen, the Relay repeats On and Off.
2 ASSY PDP MODULE P-X-MAIN Blank screen
3 ASSY PDP MODULE P-Y-MAIN Blank screen
4 ASSY PDP MODULE P-LOGIC MAIN Blank screen, Screen noise
5 ASSY PDP MODULE P-Y-MAIN SCAN BUFFER Row Bar screen is blank
6 ASSY PDP MODULE P-ADDRESS E BUFFER Corresponding Buffer Board block screen is blank.
7 ASSY PDP MODULE P-ADDRESS F BUFFER Corresponding Buffer Board block screen is blank.
8 ASSY PCB MISC-MAIN No Power, Abnormal screen for each input source, PIP screen trouble, Sound trouble
9 ASSY BOARD P-FUNCTION The side function key does not work properly
10 ASSY BOARD P-POWER&IR The remote control does not work properly, the LED does not work properly.
11 ASSY BOARD P-SIDE AV The AV2 and S-VIDEO2 modes do not work properly
Samsung Electronics 4-15
Troubleshooting
4-2 Adjustment
4-2-1 Service Instruction
Before Performing After Sales Services
1. Check if the measurement and test equipment is working properly.
2. Secure sufficient work space for disassembling the product.
3. Prepare a soft pad for disassembling the product.
Service adjustment item after replacement of Board
PDP Option of Factory Mode set the Factory Data Type item as the suitable value of relevant model.
Adjust Calibration of Factory Mode for each mode.
Adjust White Balance of Factory Mode.
Write down the value of HDMI White Balance of Factory Mode before replacing Board.
PDP Option of Factory Mode set the Factory Data Type item as the suitable value of relevant model.
Set the value of HDMI White Balance with the value written down before.
4-16 Samsung Electronics
Troubleshooting
4-2-2 How to Access Service Mode
1. General Remote
To Enter: POWER OFF INFO MENU MUTE POWER ON
(Interval between key strokes: less than 3 sec)
To Exit: POWER OFF POWER ON
2. Factory Remote
To Enter: POWER ON INFO FACTORY Key
(Interval between key strokes: less than 3 sec)
To Exit: POWER OFF POWER ON
Press the Factory key twice with a key stroke interval of more than 1 second (Pressing once enters Aging Mode)
3. Settings when entering Factory mode
- Sharp Screen (Dynamic), Color Tone (Cool1), Factory (Dynamic CE Off)
4. Adjustment Procedures
- Channel Key : Select an item.
- Volume Key : Adjust the value up or down.
- MENU Key : Save the changes to the EEPROM and return to the higher-level mode.
- Using the Numeric (0~9) keys, you can select a channel.
- Using the SOURCE key, you can switch AV modes.
5. Initial SERVICE MODE DISPLAY State
Panel ON Time(Hour) 0002 C4A_RMA 50": C5A_RMA
1. Calibration 7. YC Delay
2. Option Table 8. Adjust
3. White Balance 9. I2C Check
4. SVP-UX 10. W/B MOVIE
5. Option Block 11. Checksum
6. SGTV5810/NTP3000 12. Reset
13. Spread Specturm
T-CALMPEUH-xxxx (Main Micom Ver)
T-BDPMPEUS-xxxx
BORD2_CALLA_TR-xxxx (TR Ver)
Month / Day / Year / Hour / Min. / Sec.
The version of the firmware displayed at the bottom of the screen may differ and the firmware is subject to change for the
improvement of product functions.
If you have adjusted the settings in Service Mode, you have to reset the product.
Samsung Electronics 4-17
Troubleshooting
4-2-3 Factory Data The underlined are items applied during the service adjustment. None of the others should be adjusted.
1. Calibration
Item Data
AV Calibration Success
Comp Calibration Success
PC Calibration Success
HDMI Calibration Success
2. Option Table(Service)
PDP 42" PDP 50"
Item Option index
C4A_RMA initial value C5A_RMA initial value
Ready OFF OFF ON / OFF
Inch Option 42" 50" 42" / 50"...
Panel Vender AMLCDINT AMLCDINT AUO/CMO...
Gamma OFF OFF ON / OFF
Panel Type Normal1 Normal1 Normal1 / Normal2...
Model Option Bord Plus Bord Plus Call / Lily / Brod Plus / Jasmine
Tuner SEMCO SEMCO SEMCO / ALPS
Tuner TOP 8 8 0 ~ 31
Auto Power ON ON ON / OFF
Nordic OFF OFF ON / OFF
LNA Menu ON ON ON / OFF
TTX On/Off ON ON ON / OFF
TTX List Flof Flof Flof / List
Carrier Mute OFF OFF ON / OFF
High Deviation OFF OFF ON / OFF
VOL.Curve Small Small Small / Large
HDMI Hotplug 1 1 0/1
HDMI Clock CtrI 1 1 0/1
HDMI Hotplug Dly 9 9 3~50
Hotel Option
Hotel Mode OFF OFF ON / OFF
Power On Channel 1 1 1 ~ 99
Power On Volume 10 10 1 ~ 100
Max Volume 100 100 1 ~ 100
Local Key Lock OFF OFF ON / OFF
Power On Source RF RF RF/Ext.1...
Shop Mode OFF OFF ON / OFF
Color Space ON ON ON / OFF
PC Ident OFF OFF ON / OFF
4-18 Samsung Electronics
Troubleshooting
PDP 42" PDP 50"
Item Option index
C4A_RMA initial value C5A_RMA initial value
Language English English English / German...
ANYNET+ ON ON ON / OFF
Ch.Table SUWON SUWON SUWON / SESK / SEH / TTSEC
TTX Group Auto Auto Auto / West Europe...
iDTV_Cntry UK UK UK / France...
3. White Balance
Item Range Tv/AV/Scart Comp/iDTV PC HDMI
Sub-Briteness 00H ~ FFH 128 128 128 128
R-offset 00H ~ FFH 128 128 128 128
G-offset 00H ~ FFH 128 128 128 128
B-offset 00H ~ FFH 128 128 128 128
Sub-Contrast 00H ~ FFH 128 128 128 128
R-Gain 00H ~ FFH 128 128 128 128
G-Gain 00H ~ FFH 128 128 128 128
B-Gain 00H ~ FFH 128 128 128 128
4. SVP-UX
ComB Filter
Item Range
Y-Filter 00H ~ FFH
Sharpness
Comp Comp Comp Comp
Item Range RF AV HDMI PC iDTV
480i 480p 720p 1080i
H2Gain 00 ~ 1FH 05H 05H 05H 05H 04H 04H 0AH 05H 05H
H4Gain 00 ~ 1FH 04H 0AH 05H 05H 02H 02H 0AH 05H 05H
V2Gain 00 ~ 1FH 0CH 0CH 0AH 0CH 0AH 0AH 10H 0AH 0AH
V4Gain 00 ~ 1FH 0CH 10H 0CH 0CH 0AH 0AH 10H 0AH 0AH
Sr2Gain 00 ~ 1FH 00H 00H 00H 00H 00H 00H 00H 00H 00H
Sr4Gain 00 ~ 1FH 00H 02H 00H 00H 02H 02H 04H 02H 02H
Sl2Gain 00 ~ 1FH 00H 00H 00H 00H 00H 00H 00H 00H 00H
Sl4Gain 00 ~ 1FH 00H 02H 00H 00H 02H 02H 04H 02H 02H
Peakth1 00H ~ FFH 06H 02H 03H 03H 03H 03H 03H 08H 04H
Peakth2 00H ~ FFH 2FH 2FH 2FH 2FH 2FH 2FH 2FH 2FH 2FH
Peskth3 00H ~ FFH 3FH 3FH 3FH 3FH 3FH 3FH 3FH 3FH 3FH
Samsung Electronics 4-19
Troubleshooting
NR
Item Range Initial value
Y_NR_OFF 00H ~ FFH 00H
C_NR_OFF 00H ~ FFH 00H
Y_NR_ON 00H ~ FFH 00H
C_NR_ON 00H ~ FFH 00H
RGB Calibration
Item Range TV/AV/S_Video Component PC HDMI
R-Offset 00H ~ FFH 3AH 40H 32H 82H
G-Offset 00H ~ FFH 3AH 40H 32H 82H
B-Offet 00H ~ FFH 3AH 40H 32H 82H
R-Gain 00H ~ FFH A6H 92H A9H 6CH
G-Gain 00H ~ FFH A6H 92H A9H 6CH
B-Gain 00H ~ FFH A6H 92H A9H 6CH
ADC Calibration
Item Range TV/AV/S_Video Component PC HDMI
TCD3 Contrast 00H ~ FFH 79H 78H 78H 78H
TCD3 Brightness 00H ~ FFH 29H 20H 20H 20H
TCD3 CR 00H ~ FFH 80H 80H 80H 80H
TCD3 CB 00H ~ FFH 80H 80H 80H 80H
TCD3 Delay 00H ~ FFH 00H 00H 00H 00H
Analog Y Offset 00H ~ FFH 40H 3DH 44H 40H
Analog PB Offset 00H ~ FFH 80H 80H 44H 80H
Analog PR Offset 00H ~ FFH 80H 80H 44H 80H
Analog Y Gain 00H ~ FFH D6H B3H A4H 80H
Analog PB Gain 00H ~ FFH 80H B3H ACH 80H
Analog PR Gain 00H ~ FFH 80H B3H A7H 80H
Black Level 00H ~ FFH 00H 00H 00H 00H
Svp Brightness 00H ~ FFH 00H 00H 00H 00H
Calibration Target
Item Range low high Delta
AV ADC 00H ~ FFH 10H DCH 02H
COMP ADC 00H ~ FFH 10H EBH 02H
PC ADC 00H ~ FFH 10H DCH 04H
ALL RGB 00H ~ FFH 01H EBH 0AH
4-20 Samsung Electronics
Troubleshooting
Color Management
Item Range Initial value
Skin Direction Reddish / Yellowish Reddish
Skin Enhance 00H ~ FFH 00H
Green Stretch 00H ~ FFH 00H
Blue Stretch 00H ~ FFH 00H
5. Option Block
FRC(Micronas)
FRC2X
Item Range Initial value
OUTCON 1~3 0
GAMMA 1~7 0
OCC_MODE 0/1 0
FALLBACK 0/1 0
DBG_MARK 0/1 0
SPR_CBR 0/1 0
BIT_EXPAND 0/1 0
INV_BIT_EXPAND 0/1 0
REPEAT_MODE 0/1 0
DEMO_ON_OFF 0/1 0
MMU_RD_START 00H ~ FFH 00H
ME_RD_START 00H ~ FFH 00H
MC_RD_START 00H ~ FFH 00H
CMZL(0x36E) 00H ~ FFH 0H
BLOL(0x2A7) 00H ~ FFH 0H
LOGO(0x2A7) 00H ~ FFH 0H
Samsung Electronics 4-21
Troubleshooting
FBE2
Comp
AV/ Comp Comp
ITEM Range RF 720p/108 HDMI DTV PC
S-Video 480i/576i 480p/576p
0i/1080p
Pattern Select 0 ~ 20 0 0 0 0 0 0 0 0
BS-On 0/1 1 1 1 1 1 1 1 1
B-Slope Gain 0 ~ 255 34 44 64 64 64 64 64 64
B-Tilt Min 0 ~ 255 20 20 20 20 20 20 20 20
B-Tilt Max 0 ~ 255 120 120 120 120 120 120 120 120
B-Tilt Slope 0 ~ 255 128 128 128 128 128 128 128 128
LFunc-Basis 0 ~ 255 30 20 50 40 70 55 75 55
Hfunc-Basis 0 ~ 255 30 40 50 40 75 65 88 65
Mean-Offset1 0 ~ 255 20 100 75 75 75 75 75 75
Mean Offset2 0 ~ 255 120 200 155 155 225 225 225 225
Mean Slope 0 ~ 255 56 56 45 45 85 85 85 85
Input Offset 0 ~ 255 128 128 128 128 128 128 128 128
Input Gain 0 ~ 255 128 128 128 128 128 128 128 128
ACR Offset 0 ~ 128 15 15 15 15 15 15 15 15
ACR Th1 0 ~ 255 30 30 30 30 30 30 30 30
ARC Th2 0 ~ 255 130 130 100 130 130 130 130 130
Skin Enable 0/1 1 1 1 1 1 1 1 1
Skin Tu 0 ~ 255 165 165 150 150 165 165 128 165
Skin Tv 0 ~ 255 140 140 140 140 128 128 128 128
M Skin Tu 0 ~ 255 128 128 128 128 128 128 128 128
M Skin TV 0 ~ 255 128 128 128 128 128 128 128 128
Sub Color 0 ~ 255 115 128 135 135 140 150 143 150
M-Au-Sub Color 0 ~ 255 128 128 128 128 128 128 128 128
M-Wi-Sub Color 0 ~ 255 128 128 128 128 128 128 128 128
MW-Skin-Tu 0 ~ 255 128 128 128 128 128 128 128 128
MW-Skin-Tv 0 ~ 255 128 128 128 128 128 128 128 128
4-22 Samsung Electronics
Troubleshooting
Pdp Logic
ITEM Range Initial value
Pattern Srlect 0 ~ 63 0
Data updata ON / OFF OFF
Data Type 42"EU MRT/42"EU MESH/... 42"EU MRT
CDC Sw ON / OFF OFF
CDC Strengh Th 0 ~ 31 0
BRE Sw ON / OFF OFF
FRC Repeat Mode ON / OFF OFF
FRC CBG Mark On 0 ~ 15 0
ERC Bypass ON / OFF OFF
Panel Type - 0H
Panel Inch - SD
Panel Version -
Logic Sw Version - 0H 0H 0H
6. SGTV5810/NTP3000
ITEM Range Initial value
ID Tone Shift 1H ~ FH 01H
ID Tone Thresh 00H ~ FFH 7FH
Demod Prescaler 00H ~ 20H 13H
Master Volume 00H ~ 30H 13H
PWM Modulation 80H ~ F2H F1H
DRC Threshold 00H ~ 7FH 06H
Speaker EQ ON / OFF OFF
7. YC Delay
ITEM Range Initial value
RF PAL-B/G 00H ~ FFH AAH
RF PAL-D/K 00H ~ FFH 99H
RF PAL-I 00H ~ FFH 99H
RF SECAM-B/G 00H ~ FFH 88H
RF SECAM-D/K 00H ~ FFH 44H
RF SECAM-L/L' 00H ~ FFH 88H
RF NTSC 3.58 00H ~ FFH 44H
RF NTSC 4.43 00H ~ FFH CCH
AV PAL 00H ~ FFH AAH
AV SECAM 00H ~ FFH 88H
AV NTSC 3.58 00H ~ FFH 30H
AV NTSC 4.43 00H ~ FFH AAH
AV PAL60 00H ~ FFH 77H
Samsung Electronics 4-23
Troubleshooting
8. Adjust
ITEM Range Initial value
Video Mute Time 0 ~ 255 10
Dynamic Contrast ON / OFF ON
Dynamic Dimming ON / OFF ON
Dynamic CE ON / OFF OFF
LNA PLUS
RFDB-1 Level 0 ~ 255 2
RFDB-2 Level 0 ~ 255 5
RFDB-3 Level 0 ~ 255 7
RFDB-4 Level 0 ~ 255 24
Magazine LNA ON / OFF OFF
PixelShift Test ON / OFF OFF
Debug ON / OFF OFF
ACR ON / OFF OFF
D-Watchdog ON / OFF ON
MAIN / IDTV / PDP Lvds ON
UART Select OFF
/ PDP Lvds /OFF
9. I2C Check
4-24 Samsung Electronics
Troubleshooting
10. W/B MOVIE
ITEM Range TV/AV/S_Video Component PC HDMI Scart1/2
WB Movie ON / OFF OFF OFF OFF OFF OFF
Color Mode Movie Movie Dynamic Dynamic Dynamic Dynamic
Color Tone Cool1 Cool1 Cool1 Cool1 Cool1
Msub Brigh 0 ~ 255 128 128 128 128 128
Msub Contr 0 ~ 255 128 128 128 128 128
W1_RGAIN 0 ~ 255 157 161 144 161 157
W1_BGAIN 0 ~ 255 76 74 117 76 76
W1_R_OFFS 0 ~ 255 119 119 127 118 119
W1_B_OFFS 0 ~ 255 138 140 110 141 138
W2_RGAIN 0 ~ 255 142 143 149 142 142
W2_BGAIN 0 ~ 255 48 47 93 51 48
W2_R_OFFS 0 ~ 255 129 127 124 128 129
W2_B_OFFS 0 ~ 255 143 145 110 143 143
NO_RGAIN 0 ~ 255 141 139 137 141 141
NO_BGAIN 0 ~ 255 104 102 123 104 104
NO_R_OFFS 0 ~ 255 126 125 126 121 126
NO_B_OFFS 0 ~ 255 136 133 114 133 136
C2_RGAIN 0 ~ 255 124 122 123 125 124
C2_BGAIN 0 ~ 255 142 141 156 143 142
C2_R_OFFS 0 ~ 255 128 129 117 128 128
C2_B_OFFS 0 ~ 255 128 127 116 128 128
Movie Contr 0 ~ 100 100 100 100 100 100
Movie Brigh 0 ~ 100 45 45 45 45 45
Movie Color 0 ~ 100 55 55 55 55 55
Movie Sharp 0 ~ 100 75 75 75 75 75
11. Checksum xxxx
12. Reset
13. Spread Spectrun
ITEM Range Initial value
Spectrum ON / OFF ON
Delta -128 ~ +128 0
Positive 0 ~ 99 8
Negative 0 ~ 99 2
Speed 0~7 0
Time 0~7 4
FBE Spectrum ON / OFF OFF
FEE Delta 0~5 0
Samsung Electronics 4-25
Troubleshooting
4-2-4 Service Adjustment
White Balance - Calibration
If picture color is wrong, do calibration first.
Execute calibration in Factory Mode
1. Source : VIDEO
2. Setting Mode : PAL Video (MODE : #2)
3. Pattern : Pattern #24 (Chess Pattern)
4. Use Equipment : K-7256 or Equipment of equality level
5. Work order
1) Enter by Factory Mode select "1. CALIBRATION".
2) Select "AV CALIBRATION" again in CALIBRATION MENU.
3) After Completing Calibration, come out "Av success". OSD on the screen (bottom-side) for about 3 seconds.
Source AV : PAL composite, Component : 1280*720/60Hz
PC : 1024*768/60Hz
( Chess Pattern )
4-26 Samsung Electronics
Troubleshooting
White Balance - Adjustment
If picture color is wrong, check White Balance condition.
Equipment : CA210, Patten : Toshiba
Adjust W/B in Factory Mode
Sub brightness and R/G/B Offset controls low light region
Sub contrast and R/G/B Gain controls high light region
Source AV : PAL composite, Component : 1280*720/60Hz,
HDMI[DVI] : 1280*720/60Hz
[ Test Pattern : MSPG-945 Series Pattern #16 ]
* Color temperature
1500K +/-500, -6 ~-20 MPCD
* Color coordinate
H/L : 270/280 +/- 2
L/L : 270/280 +/- 3, 2.1 Ft +/-0.05 Ft
( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD )
Conditions for Measurement
1. On the basis of toshiba ABL pattern : High Light level (57 IRE)
- INPUT SIGNAL GENERATOR : MSPG-925LTH
* Mode No 2 : 744X484@60 Hz
No 6 : 1280X720@60 Hz
No 21 : 1024X768@60 Hz
* Pattern No 36 : 16 Color Pattern
No 16 : Toshiba ABL Pattern
2. Optical measuring device : CA210 (FL)
Please use the MSPG-925 LTH generator for model PS-42Q96HD, PS-50Q96HD.
Samsung Electronics 4-27
Troubleshooting
Method of Adjustment
1. Adjust the white balance of AV, Component and DVI Modes.
(AV Component)
a) Set the input to the mode in which the adjustment will be made (RF DTV PC DVI).
* Input signal - VIDEO Mode : Model #2 (744*484 Mode), Pattern #16
- DTV, DVI Mode : Model #6 (1280*720 Mode), Pattern #16
- HDMI Mode : Model #6 (1280*720 Mode), Pattern #16
b) Enter factory color control, confirm the data.
c) Adjust the low light. (Refer to table 1, 2 in adjustment position by mode)
- Adjust sub - Brightness to set the 'Y' value.
- Adjust red offset ('x') and blue offset ('y') to the color coordinates.
Low light
Measurement point
( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD )
* Do not adjust green offset data.
d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)
- Adjust red gain ('x') and blue gain ('y') to the color coordinates.
Hight light
Measurement point
( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD )
* Do not adjust the green gain and sub-contrast (Y) data.
4-28 Samsung Electronics
Troubleshooting
4-2-5 Replacements & Calibration
* PDP 42" Check items listed after changing each
Replaced assembly items Check Items
1) Auto Program
ASSY PCB MISC-MAIN
2) White Balance Adjust
SMPS-PDP TV Vs, Va voltage check and adjust
ASSY PDP MODULE P-LOGIC MAIN
ASSY PDP MODULE P-X-MAIN
ASSY PDP MODULE P-Y-MAIN
ASSY PDP MODULE P-Y-MAIN SCAN BUFFER Not to be adjusted
ASSY PDP MODULE P-ADDRESS E BUFFER
ASSY PDP MODULE P-ADDRESS F BUFFER
ASSY BOARD P-SIDE A/V
* PDP 50" Check items listed after changing each
Replaced assembly items Check Items
1) Auto Program
ASSY PCB MISC-MAIN
2) White Balance Adjust
SMPS-PDP TV Vs, Va voltage check and adjust
ASSY PDP MODULE P-LOGIC MAIN
ASSY PDP MODULE P-X-MAIN
ASSY PDP MODULE P-Y-MAIN
ASSY PDP MODULE P-Y-MAIN SCAN BUFFER
Not to be adjusted
ASSY PDP MODULE P-Y-MAIN SCAN BUFFER
ASSY PDP MODULE P-ADDRESS E BUFFER
ASSY PDP MODULE P-ADDRESS F BUFFER
ASSY BOARD P-SIDE A/V
When replacing the SMPS or PDP panel, you have to check the voltage printed on the panel sticker and adjust it.
Samsung Electronics 4-29
Troubleshooting
Voltage Adjustment
1. After replacing the SMPS or PDP panel, you must adjust the voltage referring to the voltage label printed on the panel.
(If you do not adjust the voltage, an abnormal discharge symptom may appear.)
Value Board Adjustment
Vs 210
Va 63
Vset - SMPS
Ve 94
Vscan -190
SMPS
Voltage Label
2. A point of adjusting SMPS-MAIN voltage.
Vs Adjustment
Vs Test point
Va Test point
Va Adjustment
4-30 Samsung Electronics
Troubleshooting
Y-RR and Y-FR controls
Test Point
Set the main reset (rising : 60usec, falling : 80usec) by change the value of variable resistor.
60usec
80usec
Rising ramp
variable resistor
Falling ramp
variable resistor
Samsung Electronics 4-31
Troubleshooting
4-3 Upgrade
4-3-1 How to Update Flash ROM (with RS-232C Cable)
1. Connect Set (Service Jack) and Jig Cable to execute Program Update.
2. Turn Off (On Stand by mode) the Set
- Run Down load tool
1) Check
2) Select MOT file by Open
3) Click Connect Button
4) Turn On the Set
5) Click
3. Turn off (= AC Power off) the Set (waiting a few seconds) and turn on again.
S/W Down Load Time: 6min
4-32 Samsung Electronics
Troubleshooting
4-3-2 How to Check the Version of the Program
1. Procedures for checking in the Factory Menu.
When entering Factory Mode, the version of the software is displayed at the bottom of the menu as described on page 4-17.
Panel ON Time(Hour) 0002 C4A_RMA
1. Calibration 7. YC Delay
2. Option Table 8. Adjust
3. White Balance 9. I2C Check
4. SVP-UX 10. W/B MOVIE
5. Option Block 11. Checksum
6. SGTV5810/NTP3000 12. Reset
13. Spread Specturm
T-CALMPEUH-xxxx (Main Micom Ver) S/W Version
T-BDPMPEUS-xxxx
BORD2_CALLA_TR-xxxx (TR Ver)
Month / Day / Year / Hour / Min. / Sec.
Samsung Electronics 4-33