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Samsung HPT4254X/XAA, HPT5054X/XAA 7-2-13 LAKE (I2C & GPIO & USB & UART & INTERRUPT)

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This Document can not be used without Samsung’s authorization.

7-2-13 LAKE (I2C & GPIO & USB & UART & INTERRUPT)

Power

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)