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Download Samsung 240T docs - Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information
| File information: | | File name: | Samsung 240T.rar
[preview 240T] new window | | Size: | 1820 kB | | Extension: | | | MD5 Checksum: | c66960ee8e4a78396f3313858b2f51a8 | | Mfg: | Samsung | | Model: | | | Original Chassis: | PC24PBASS_EDC | | Descr: | Sch and service bulletin for Samsung SM240T | | Group: | > > > | | Uploaded: | 2004-08-18 22:19:33 | | User: | Stdarko | | Multipart: | No multipart |
| Information about the files in archive: | | Decompress result: | OK | | Extracted files: | 7 | | File name | | Text | | 01_Attach File.pdf | | ELECTRONICS
SERVICE BULLETIN
| | Alignment & Adjustment.pdf | | 4 Alignments and Adjustments
This section of the service manual explains how to use the DDC JIG to adjust the black, red, green, and blue levels of the FPD when you replace the AD Board, and how to update the microprocessor when you change the Panel or Lamp(s).
4-1 Required Equipment
The following equipment is necessary for adjusting the monitor: · Oscilloscope with probe tool · Computer with Windows 95 R , Windows 98 R , or Windows NT R . · DDC Control JIG
4-2 Using the DDC Control JIG
After replacing the LCD Panel, Lamp(s), and / or AD Board, use the DDC Control JIG to complete your service. Attach the DDC Control JIG to the flat panel display (FPD) as shown in the diagrams, below.
4-2-1 Adjustment Procedures
MONITOR INTERFACE BOARD VER. 2.0 5V DC ADAPTOR PARALLEL CABLE PC SIGNAL GENERATOR SIGNAL CABLE
Use the following procedures whenever you replace the AD Board, Panel, or one or both of the Lamps. 4-2-1 (a) When Replacing the AD Board 1. Remove the old AD Board and replace it | | Block Diagram.pdf | | 8 Block Diagram
8-1 Main Board (A/D)
SyncMaster 210T/240T
8-1
8-2
3.3V_A 5V_D 3.3V_D 12V_CAP 5V_TUNER 9V 8V 5V 5V_A
8-2 Power
8 Block Diagrams
BAO33FP
BA05FP -E2
9V
5V
BA 178 M09FP
2.5V 3.3V
BA 178 M08FP
BA05FP -E2
BA05FP -E2
12V_CAP
LP3964 _2.5
S19933ADY-T1
5V_IN
SI4435DY
SW
TO INVERTER 12V_INVERTER LM2676SX-3.3
3.3V
SW
LM2676SX-5.0
12V_TUNER
SyncMaster 210T/240T
12V
| | Cover.pdf | | TFT-LCD MONITOR
SyncMaster 210T SyncMaster 240T
SERVICE
TFT-LCD MONITOR
Manual
CONTENTS
1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10. Schematic Diagrams 11. Panel Description
Samsung Electronics Co., Ltd. November 2000. Printed in Korea P/N : BN68-00186A-01
| | Precaution.pdf | | 1 Precautions
Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock.
1-1 Safety Precautions
1-1-1 Warnings
1. 2. For continued safety, do not attempt to modify the circuit board. Disconnect the AC power and DC Power Jack before servicing.
DEVICE UNDER TEST TEST ALL EXPOSED METAL SURFACES (READING SHOULD NOT BE ABOVE 0.5mA)
1-1-2 Servicing the LCD Monitor
1. 2. When servicing the LCD Monitor Disconnect the AC line cord from the AC outlet. It is essential that service technicians have an accurate voltage meter available at all times. Check the calibration of this meter periodically.
LEAKAGE CURRENT TESTER
2-WIRE CORD
1-1-3 Fire and Shock Hazard
Before returning the monitor to the user, perform the following safety checks: 1. Inspect each lead dress to make certain that the leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the monitor. Inspect all protectiv | | Schematic Diagram.pdf | | 10 Schematic Diagrams
10-1 Top Parts Schematic Diagram
10-1
SyncMaster 210T/240T
10 Schematic Diagrams
10-2 Analog Parts Schematic Diagram
+3.3V_P1
+3.3V_ADC1
+5V_ADC
+5V_ADC
+3.3V_ADC1
+3.3V_AD1
+3.3V_P1
+5V_IN
+5V_IN
+5V_IN
2 IC204 #40
+3.3V_B +3.3V_AD1
VSYNCB +3.3V_ADC1 +3.3V_P1
+3.3V_P1 +3.3V_SYNC PAR(0:7)
CH1 RMS = 3.80V
3 IC204 #41
PBR(0:7)
2
MC_DATA MC_SCLK HSYNC_PLL +3.3V_ADC1 VSYNC_SS CLAMP
3
PAG(0:7)
PBG(0:7)
OECH2
CH1 RMS = 4.12V
RED_IN GREEN_IN BLUE_IN
4 IC204 #115
+5V_SYNC +3.3V_B +3.3V_AD2
+3.3V_ADC2 +5V_SYNC
+3.3V_P2
+3.3V_P2
HSYNC_SS
CH1 RMS =2.92V
PBR(0:7)
VSYNC_SS
5 IC204 #117
+3.3V_SYNC +3.3V_AD2 PAB(0:7)
PBG(0:7)
PBB(0:7) HSYNC_SS HSYNC_SS PC_HS1 HSYNC1B +3.3V_SYNC +3.3V_SYNC RED_IN GREEN_IN BLUE_IN
PC_HS
VSYNC_SS CLAMP
PC_HS1 HSYNC_PLL OECH2AX PBB(0:7)
CH1 RMS = 3.32V
ADCCLK1
PC_HS1
PC_VS1 VSYNC_SS ADCCLK2
4
HSYNC2B
PC_VS1
5
+3.3V_P2 +3.3V_ADC2
+5V_ADC
+5V_ADC
+3.3V_ADC2
+3.3V_AD2
+3.3V_P2
SyncMaster 210T/240T
10-2
| | Wiring Diagram.pdf | | 9 Wiring Diagram
9-1
SyncMaster 210T/240T
10 Schematic Diagrams
Memo
SyncMaster 210T/240T
9-2
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