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Samsung 531TFT, 530TFT Disassembly and Reassembly, Removing the Stand, Main Body Disassembly

Models: 330TFT 531 TFT 331 TFT 530TFT 530 TFT 531TFT

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5 Disassembly and Reassembly

5 Disassembly and Reassembly

This section of the service manual describes the disassembly and reassembly procedures for the SyncMaster 33*TFT/53*TFT monitors.

WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components.

5-1 Disassembly

Cautions:1. Disconnect the monitor from the power source before disassembly.

2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.

5-1-1 Removing the Stand

5. Disconnect Power Cord and Signal Cable.

1.Carefully push the edge of the hinge cap with a ÔÐÕ screw driver until the opposite end of the hinge cap releases.

Figure 5-1

2. Remove 4 screws in the hinge area.

Figure 5-2

3.Push the stand to the left side to release the hinge.

Caution:Be careful. Signal cable and power cable are still attached to the monitor.

4.Lift the stand away from the monitor until Vesa Cover is completely visible. And pry it off the back of the monitor.

Figure 5-3

5-1-2 Main Body Disassembly

Figure 5-4

1.Remove the 4 screws on the Rear Cover.

(Marked: )

2.Remove Rear Cover from the Front Cover.

3.Remove 6 screws on the Shield.

(Marked: )

4.Disconnect Inverter wire, Function PCB wire and Interface wire.

5.Remove the Main PCB Assembly.

SyncMaster 33*TFT/53*TFT

5-1

Image 15

Samsung 531TFT, 530TFT, 530 TFT, 531 TFT, 330TFT Disassembly and Reassembly, Removing the Stand, Main Body Disassembly

Contents

CONTENTS SyncMaster 330TFT SyncMaster 530TFT SyncMaster 331TFTSyncMaster 531TFT SERVICE ManualPrinted in Korea Code No. BN68-60017A 1-1-1 Warnings 1 Precautions1-1 Safety Precautions 1-1-4 Product Safety Notices1-2 Servicing Precautions 1-3 Electrostatically Sensitive Devices ESD Precautions1-2-1 General Servicing Precautions 2-1 List of Abbreviations, Symbols and Acronyms 2 Reference Information2-1-1 Abbreviations 2-1-2 Symbols 2-1-2 AcronymsProgrammable Read only Memory 3-1 Specifications 3 Product SpecificationsPin No 3-2 Pin Assignments3-3 Timing Chart ModeTiming 640/67 Hz ModeTiming 60 xMENU 4-1 Control and Connectors4 Operating Instructions LocationFigure 4-4. Rear View Table 4-2. Front Panel Controls 4 Operating Instructions4-1-2 SyncMaster 330TFT/530TFT Figure 4-3. Front View and Control4-2-1 OSD Window 4-2 Microprocessor Controls and Functions4-4 Power Management System 4-3-1 Audio Adjustments4-3 Audio Controls 5-1-1 Removing the Stand 5 Disassembly and Reassembly5-1 Disassembly 5-1-2 Main Body Disassembly5-1-3 Stand Disassembly 5. Remove the screw and washer on the base of the stand 3. Remove the 10 screws from the stand assembly4. Remvoe the hinge, neck front, PCB, signal cable 5 Disassembly and Reassembly5-2 Replacement Order of Lamp Assemblies 13.3” 5-3 Replacement Order of Lamp Assemblies 15” 5 Disassembly and Reassembly 5-4 Reassembly6-1 No Power 6 TroubleshootingDoes the sync pulses appear at 6-2 No VideoWAVEFORMS WAVEFORMS 6-3 No Video of Alternate Vertical Line6-4 No OSD 6-5 User Controls Don’t WorkDoes the DC 5 V appear at Pin 5 of CN806, Pin 4 of IC803? 6-6 No Sound SyncMaster 330TFT/530TFT6-7 Microphones Don’t Work SyncMaster 330TFT/530TFT 6-8 Headphones Don’t Work SyncMaster 330TFT/530TFTLoc. No 9 Electrical Parts List9-1 Main PCB Parts SpecificationDescription 9 Electrical Parts ListSpecification Loc. NoLoc. No 9 Electrical Parts ListSpecification SyncMaster 3*TFT/53*TFTDescription 9 Electrical Parts ListSpecification Loc. NoDescription SpecificationLoc. No Code NoRemarks SpecificationLoc. No DescriptionDescription SpecificationLoc. No Code NoRemarks SpecificationLoc. No DescriptionLoc. No 9 Electrical Parts ListSpecification SyncMaster 3*TFT/53*TFTDescription SpecificationR-CHIP R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK R-NETWORK RELAY-POWER SWITCH-SLIDE VR-ROTARY OSCILLATOR-CLOCK OSCILLATOR-CLOCK CRYSTAL-UNIT DIODE-ZENER DIODE-ZENER DIODE-ZENER DIODE-ZENER DIODE-ZENER DIODE-ZENER Loc. NoCode No 9-2 Sub PCB PartsSpecification Loc. NoDescription 9 Electrical Parts ListSpecification Loc. No9-13 9 Electrical Parts ListSpecification SyncMaster 3*TFT/53*TFTCode No OthersSpecification Loc. NoAudio 8 Block DiagramLVDS x LCD PANEL8 Block Diagrams Memo10-2 Semiconductor Lead Identification REF. NO TYPE NOREF. NO TYPE NOSMPS 11 Wiring DiagramAUDIO FUNC PCB LCD PANELSignal Line 12 Schematic Diagrams12-1 DAC & IO Part Schematic Diagram Power LineTable 12-1. IC102 12 Schematic DiagramsSyncMaster 33*TFT/53*TFT 12-212-2 ZOOM & FRC Part Schematic Diagram Power LineSignal Line Table 12-6. IC309 12 Schematic DiagramsSyncMaster 33*TFT/53*TFT 12-41024 x 768 / 85 Hz 12-3 Micom Part Schematic DiagramPower Line 1024 x 768 / 85 Hz12-6 12-4 Sub Part Schematic Diagram12 Schematic Diagrams SyncMaster 33*TFT/53*TFTMemo 12 Schematic Diagrams