Manuals / Samsung / Computer Equipment / Computer Monitor

Samsung 331 TFT Schematic Diagrams, SyncMaster 33TFT/53TFT, 12-2, 1. IC102, Unit Vrms -4. IC108

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

1 52

Page 47

Table 12-1. IC102

	#	MODES
	pin
	pin	1024 x 768 / 85 Hz
		1024 x 768 / 85 Hz

112

2GND

Unit: Vrms

Table 12-4. IC108

	#	MODES
	pin
	pin	1024 x 768 / 85 Hz
		1024 x 768 / 85 Hz

	1	12
	2	3.3
	3	GND
	4	3.3
	5	GND

Unit: Vrms

7IC101 #94

CH1 RMS = 3.5 V

Table 12-2. IC103

	#	MODES
	pin
	pin	1024 x 768 / 85 Hz
		1024 x 768 / 85 Hz

112

2GND

Unit: Vrms

Table 12-5. IC109

	#	MODES
	pin
	pin	1024 x 768 / 85 Hz
		1024 x 768 / 85 Hz

112

2GND

Unit: Vrms

8IC105 #10

CH1 RMS = 3.1 V

12 Schematic Diagrams

Table 12-3. IC107

	#	MODES
	pin
	pin	1024 x 768 / 85 Hz
		1024 x 768 / 85 Hz

	1	12
	2	5
	3	GND
	4	5
	5	GND

Unit: Vrms

1IC110 #3

CH1 RMS = 3.6 V

9IC104, #1

CH1 RMS = 4.56 V

18IC110 #13

CH1 RMS = 1.24 V

19IC110 #14

CH1 RMS = 400 mV

20IC110 #2

CH1 RMS = 4.4 V

SyncMaster 33*TFT/53*TFT

12-2

Page 47

Image 47

Samsung 331 TFT Schematic Diagrams, SyncMaster 33*TFT/53*TFT, 12-2, 1. IC102, Unit Vrms -4. IC108, 2. IC103, 3. IC107

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 Notices1-2-1 General Servicing Precautions 1-2 Servicing Precautions1-3 Electrostatically Sensitive Devices ESD Precautions 2-1-1 Abbreviations 2-1 List of Abbreviations, Symbols and Acronyms2 Reference Information Programmable Read only Memory 2-1-2 Symbols2-1-2 Acronyms 3-1 Specifications 3 Product SpecificationsPin No 3-2 Pin AssignmentsTiming 3-3 Timing ChartMode 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 Functions4-3 Audio Controls 4-4 Power Management System4-3-1 Audio Adjustments 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 12-2Signal Line 12-2 ZOOM & FRC Part Schematic DiagramPower 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