Samsung HPT4254X/XAA, HPT5054X/XAA - page 50

Troubleshooting

Samsung Electronics 4-23

6. FBE2

Item Range RF AV/S-video Component HD PC HDMI

Patt-Sel 0 0 0 0 0

B-Slope Gain 74 80 84 84 84

B-Tilt Min 20 20 20 20 20

B-Tilt Max 120 120 120 120 120

Lfunc Basis 75 75 75 75 75

Hfunc Basis 88 88 88 88 88

Mean offset1 64 64 64 64 64

Mean offset2 235 235 235 235 235

Mean slope 93 93 93 93 93

Input Offset 128 128 128 128 128

Acr Offset 25 25 25 25 25

Arc Th1 30 30 30 30 30

Acr th2 120 120 120 120 120

Skin-Enable 1 1 1 1 1

Skin-Tu 130 130 130 128 134

Skin-Tv 130 130 130 128 134

Sub Color 128 128 140 130 140

M-Skin-Tu 100 100 100 100 100

M-Skin-Tv 100 100 100 100 100

M-Au Sub color 128 128 128 128 128

MW_Skin Tu 100 100 100 100 100

MW_Skin Tv 100 100 100 100 100

M-Wi Sub color 128 128 128 128 128

7. MSP44XX

Item Range RF AV/S-video Component HD PC HDMI

FM_Precale 31 31 31 31 31

Melody Volume 7 7 7 7 7

SpdifDelay 0 0 0 0 0

InternalDelayDtv 0 0 0 0 0

InternalDelayAnalog 45 45 45 45 45

Carrier Mute 1 1 1 1 1

Pilot High 10 10 10 10 10

Pilot Low 5 5 5 5 5

Scart1 Out Volume 109 109 109 109 109

Scart2 Out Volume 115 115 115 115 115

Contents

Main $ / 0 + ( , / !"#$%#&'($!"#)&*+ Page Table of Contents 1. Precaution 1-1 Safety Precautions Page 1-2 Servicing Precautions 1-3 Static Electricity Precautions CAUTION 1-4 Installation Precautions Page 2. Product Specification 2-1 Product Specification Product Specification 2-2 Samsung Electronics Product Specification Samsung Electronics 2-3 2-2 Specifications Analysis !For the power supply and power consumption, refer to the label attached to the product. ! $: application, X: non-application 2-3 Accessories Page Page 3. Disassembly & Reassembly 3-1 Overall Disassembly & Reassembly 3-1-1 Separation of ASSY COVER P-REAR 3-1-2 Separation of ASSY PCB MISC-MAIN 3-1-3 Separation of FILTER-EMI AC LINE 3-1-4 Separation of BRACKET-PCB 3-1-5 Separation of ASSY BRACKET 3-1-6 Separation of ASSY BOARD P-SIDE AV 3-1-7 Separation of ASSY BRACKET P-WALL 3-1-8 Separation of ASSY SPEAKER P 3-1-9 Separation of ASSY BOARD P-POWER&IR 3-1-10 Separation of SMPS-PDP TV 3-1-11 Separation of ASSY PDP MODULE P-LOGIC MAIN BOARD 3-1-12 Separation of ASSY PDP MODULE P-X MAIN BOARD 3-1-13 Separation of ASSY PDP MODULE P-Y MAIN BOARD Page 3-1-14 Separation of ASSY PDP MODULE P-ADDRESS BUFFER BOARD 3-1-16 Separation of ASSY PCB FUNCTION 3-1-15 Separation of ASSY PANEL BRACKETS 4-1-1 First Checklist for Troubleshooting 4. Troubleshooting 4-1 Troubleshooting 4-1-2 Checkpoints by Error Mode "No Power "When the unit is repeatedly turned on and off % "No Picture (When audio is normal) ""No Sound % "No Video "SMPS Troubleshooting Samsung Electronics 4-7 Page Samsung Electronics 4-9 No Display [ Y-MAIN ] [ Logic Main ] LED Blinks [ X-MAIN ] 4-10 Samsung Electronics Abnormal Display [ Y-MAIN ] [ Logic Main ] Observation of abnormal display [ X-MAIN ] Samsung Electronics 4-11 %Sustain Open (some horizontal lines don't exist on screen) 'Sustain Short (some horizontal lines appear to be linked on Video) 4-12 Samsung Electronics 4-1-3 Troubleshooting Page Samsung Electronics 4-15 4-1-4 Troubleshooting Procedures by assembly <PDP 42> <PDP 50> 4-2 Adjustment 4-2-1 Service Instruction 4-2-2 How to Access Service Mode NTSC-RF 4-2-3 Factory Data Page Page Page Page Page Page Page 4-2-4 Service Adjustment - ""Color Calibration Page "White Balance Page 4-2-5 Replacements & Calibration "Voltage Adjustment Page 4-3 Upgrade 4-3-1 USB Download Method 4-3-2 How to Check the Version of the Program Page Samsung Electronics5-1 Exploded View & Part List T0074 T0268 5. Exploded View & Part List 5-1 HPT4254X/XAA Exploded View 5-2Samsung Electronics Samsung Electronics5-3 Exploded View & Part List T0074 T0268 5-2 HPT5054X/XAA Exploded View 5-4Samsung Electronics Samsung Electronics5-5 5-3 HPT4254X/XAA Service Item 5-6Samsung Electronics 5-4 HPT5054X/XAA Service Item Page Samsung Electronics 6-1 6. Wiring Diagram <42" Overall Wiring> 6-1 Overall Wiring <50" Overall Wiring> 6-2 Samsung Electronics Page Page Page 6-1-1 Connector role Page Page 7. Schematic Diagram 7-1 Circuit Description Page 7-3 CL 1_V3.3B 2 7-2 Schematic Diagram 7-2-1 MAIN POWER BLOCK 7-4 Samsung Electronics )202CI(mociM-buS oT raeN 1 F/I NOI TCNUF BUS F ) 0 A x0( I 7-2-3 SOUND PROCESSOR (MSP4450) 7-6 Samsung Electronics PMA_ NGS NOI TULOS ESION P L P 3. VI 7-2-5 NIM TUNER 1410 1 TUPNI SHVS LLAW / LETOH / GUBED D646 E232 3.3 V5A VA D702B 74 CCV_BSU 00 1 TUPNI I _V3.3B 1B mho m RE WOP_XP_PV 8 n0 1 6527-65XP-PVS TESTMODE INTN SCL TD1M GM5-IB0 2 39A6ME n 7 . 4 1RDD_XL _ XREF 5B 8 S CCV 7-2-13 LAKE (I2C & GPIO & USB & UART & INTERRUPT) 7-16 Samsung Electronics )Y D Fu01 1 7-2-14 LAKE (I2S INPUT/OUTPUT & TS-INPUT & YCbCr OUTPUT) 7-17 EKAL EK EKAL 7-2-15 LAKE (DDR MEMORY) 7-18 Samsung Electronics O Fu01 K F /I dra o B gubeD 3B . 3.3B 7-2-17 LAKE (POWER BLOCK)