Samsung 2220WM - SyncMaster - 22" LCD Monitor Service Manual Download

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LCD-Monitor

Model

2220WM

SERVICE

Manual

LCD Monitor

Fashion Feature

-This Service Manual is a property of

Samsung

Electronics Co., Ltd.

Any unauthorized use of Manual can be
punished under applicable International
and/or domestic law

- WXGA Display (1680 x1050)

-Response Time: 5ms

-Connectivity: Analog (15P D-sub)

-Power Consumption: 22’’W (52W)

-DPMS: under 1W (240Vac)

Samsung Electronics Co.,Ltd.

416, Maetan-3Dong, Yeongtong-Gu, Suwon City,

Gyeonggi-Do, Korea, 443-742

Printed in Korea

P/N :

URL :

http://itself.sec.samsung.co.kr/

Summary of Contents for 2220WM - SyncMaster - 22" LCD Monitor

Page 1: ...d use of Manual can be punished under applicable International and or domestic law WXGA Display 1680 x1050 Response Time 5ms Connectivity Analog 15P D sub Power Consumption 22 W 52W DPMS under 1W 240Vac Samsung Electronics Co Ltd 416 Maetan 3Dong Yeongtong Gu Suwon City Gyeonggi Do Korea 443 742 Printed in Korea P N URL http itself sec samsung co kr ...

Page 2: ... 13 3 6 How to execute MCU Code 15 4 Troubleshooting 16 4 1 Common Acknowledge 16 4 2 No Picture VGA Mode 17 4 3 No Picture DVI Mode 18 4 4 No Power 19 5 Exploded View and Parts List 20 5 1 Exploded View 20 5 2 Parts List 22 6 Block Diagram 24 6 1 Power Tree 24 6 2 Main Board Part 24 6 3 IP Board Part SMPS Part 25 6 4 IP Board Part Inverter Part 25 7 Wiring Diagram 34 8 Schematic Diagrams 27 8 1 D...

Page 3: ...36 10 2 Assembly Block 39 11 PCB Diagram 40 11 1 Mian Board 40 12 2 Power Board 41 12 Circuit Descriptions 42 12 1 Overall Block Structture 42 12 2 IP Board Part Power Schematic Diagrams 44 12 3 IP Board Inverter Schematic Diagrams 45 13 Reference Information 46 13 1 Technical Terms 46 13 2 Pin Assignments 48 13 3 Timing Chart 49 ...

Page 4: ...mer during this test Use a leakage current tester or a metering system that complies with American National Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 Figure 1 1 Leakage Current Test Circuit 4 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the O...

Page 5: ...he instrument s ground lead last 1 3 Static Electricity Precautions Some semiconductor solid state devices can be easily damaged by static electricity Such components are commonly called Electrostatically Sensitive Devices ESD Examples of typical ESD are integrated circuits and some field effect transistors The following techniques will reduce the incidence of component damage caused by static ele...

Page 6: ...t from being exposed to moisture Otherwise it may cause a fire or electric shock 5 Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product Also check the antenna cable or the external connectors if they are fully unplugged Damage to the cord may cause fire or electric shock 6 Keep the antenna far away from any high voltage cables and install it fi...

Page 7: ...2 diagonal Contrast ratio 700 1 Min 1000 1 typ INL MT220WW01 v 0 INL MT220WW01 V2 CMO M220Z1 L03 Response time Tr Tf 5ms typ 10ms Max INL V0 V2 panel 5ms typ 8ms Max CMO panel Viewing angle 85 L 85 R 80 U 80 D typ CR 10 INL V0 V2 panel 85 L 85 R 80 U 80 D typ CR 10 CMO Input interface Analog D sub 15 pin DVI D Power management Compatible with Energy Star Plug Play VESA DDC 2B University AC power s...

Page 8: ...ter with Windows 95 Windows 98 Windows 2000 Windows XP or Windows NT 3 2 Automatic Color Adjustment To input video use 16 gray or any pattern using black and white 1 Select English for OSD language 2 Press the Enter Source key for 5 seconds 3 3 DDC EDID Data Input 1 Input DDC EDID data when replacing AD PCB 2 Receive Download the proper DDC file for the model from HQ quality control department Ins...

Page 9: ... Last 5 Digits of Serial Number 0 XXXXXXXXXX 10h Week of Manufacture 1 XX 11h Year of Manufacture 2007 XX 12h EDID Version Number 1 01 13h EDID Revision Number 3 03 Analog Signal Level 0 700 0 000 0 700Vp p No Blank to black Setup Separate Syncs Supported Composite Sync Supported No Sync on Green Supported 14h Video Input Definition No Serration Required 6C 15h Max Horizontal Image Size 47 16h Max...

Page 10: ...n 01 26 35h Standard Timing Identification No Application 01 1680x1050 60Hz 36 47h Detailed Timing Descriptor Block 1 146 25 MHz 21 39 90 30 62 1A 27 40 68 B0 36 00 DA 28 11 00 00 1C 5A 6Bh Detailed Timing Descriptor Block 2 Monitor Name SyncMaster 00 00 00 FC 00 53 79 6E 63 4D 61 73 74 65 72 0A 20 20 Min Vertical Frequency 56 Hz 00 00 Max Vertical Frequency 75 Hz 00 FD Min Horizontal Frequency 30...

Page 11: ...rsion Number 1 01 13h EDID Revision Number 3 03 Analog Signal Level 0 700 0 000 0 700Vp p No Blank to black Setup Separate Syncs Supported Composite Sync Supported No Sync on Green Supported 14h Video Input Definition No Serration Required 80 15h Max Horizontal Image Size 47 16h Max Vertical Image Size 30 2F 17h Display Gamma 2 2 78 No Standby No Suspend Active Off Very Low Power RGB Color Display...

Page 12: ...r Block 1 146 25 MHz 21 39 90 30 62 1A 27 40 68 B0 36 00 DA 28 11 00 00 1C 5A 6Bh Detailed Timing Descriptor Block 2 Monitor Name SyncMaster 00 00 00 FC 00 53 79 6E 63 4D 61 73 74 65 72 0A 20 20 Min Vertical Frequency 56 Hz 00 00 Max Vertical Frequency 75 Hz 00 FD Min Horizontal Frequency 30 KHz 00 38 Max Horizontal Frequency 81 KHz 4B 1E 48 59h Detailed Timing Descriptor Block 3 Max Pixel Clock 1...

Page 13: ...ID Tool Program 2 Click the Analog DVI EDID Tool icon 3 Then Select the model which you want to write EDID 4 Select VGA EDID or DVI EDID Click Setting Config File to enable the Setting Window Then choose a port for EDID writing or read in this Window ...

Page 14: ...14 5 Write EDID Select File Auto Write to enable EDID Writing It will auto write when you enter a S N which i Successful EDID written when it shows PASS Logo ...

Page 15: ...te MCU Code 1 Set the options Manufacture MSTAR Device Type TSUM16_ROM128K_ext_flash Communication Port DSUB15 Analog External Memory PM25LV010E 5 If Program and Verify is OK turn off the hard power and than turn on again ...

Page 16: ...ease do it under 16 grey scalar pattern This LCM is analog interface So if the entire screen is an abnormal color that means the problem happen in the analog circuit part if only some scale appears abnormal color that stand the problem happen in the digital circuit part If you check the H V position please use the crosshatch pattern This LCM support more than 30 timing modes if the input timing mo...

Page 17: ...17 4 2 No Picture VGA Mode ...

Page 18: ...18 4 3 No Picture DVI Mode ...

Page 19: ...19 4 4 No Power ...

Page 20: ...5 1 5 Exploded View Part List 5 Exploded View Part List 5 1 LS22WJWKBJUXAA Exploded View 7140500110 7911514006 M0215 7140300119 M0561 7911513005 M0562 M0564 M0563 ...

Page 21: ...S ASSY COVER REAR 714050011000R 1 S A 7911513005 BN81 01270A A S PCBA I F 791151300510R 1 S A 7911514006 BN81 01275A A S PCBA P I 791151400610R 1 S A M0215 BN07 00427A LCD PANEL M220Z1 L03 1 S A M0561 BN81 01095A A S PCBA KEYPAD BOARD LE1969 KEY FUNCTIO 1 S A M0562 BN81 01096A A S PCBA EARPHONE 790240400000R 1 S A M0563 BN82 00273A A S ASSY ARM 714000003500R 1 S A M0564 BN82 00254A A S ASSY BASE 7...

Page 22: ...UB 453010100380R 1 S A 0 1 5060200170 BN81 01259A A S CARTON 506020017000R 1 S N A 0 1 5060600069 BN81 01262A A S CUSHION 506060006900R 1 S N A 0 1 5060600069 BN81 01263A A S CUSHION 506060006910R 1 S N A 0 1 4303008012 BN81 01264A A S HRN 430300801280R 1 S A 0 1 4303006003 BN81 01266A A S HRN 430300600310R 1 S A 0 1 4303030013 BN81 01267A A S HRN 430303001310R 1 S A 0 1 7030000090 BN81 01269A A S...

Page 23: ... Board 5V Regulator 3 3V Regulator 1 8V Regulator 14 318MH z PC ANALOG R G B HSYNC Function Key Response Time Enhancement SDRAM Display Processing Engine LVDS Panel Interface OSD Clock Generator MCU TSUM16AWK LF 1 6 Block Diagram 6 1 Power Tree 6 2 Main Board Part ...

Page 24: ...25 6 3 IP Board Part power Part 6 4 IP Board Part Inverter Part ...

Page 25: ...26 7 Wiring Diagram ...

Page 26: ...27 8 Schematic Diagram 8 1 DC DC 8 2 Input ...

Page 27: ...28 8 3 TSUMU58WHJ 8 4 Power ...

Page 28: ...29 8 5 Inverter 8 6 Keypad ...

Page 29: ...30 8 7 Audio 8 8 Ear Phone ...

Page 30: ...et Game Sport and Movie Each mode has its own pre configured brightness value You can easily select one of four settings by simply pressing MagicBright control buttons 3 Volume button When OSD is not on the screen push the button 2 3 Adjust buttons Adjust items in the menu 4 Enter button Activates a highlighted menu item 5 Auto button Use this button for auto adjustment 6 Power button Power indica...

Page 31: ...or on the back of your monitor 3 Audio port Connect the audio cord for your monitor to the audio port on the back of the monitor 4 Kensington Lock The Kensington lock is a device used to physically fix the system when using it in a public place The locking device has to be purchased separately To get the information on using the Kensington Lock contact an aurhorized dealer 1 2 3 4 ...

Page 32: ...33 9 3 Connecting the Monitor ...

Page 33: ...34 9 4 Monitor Assembly ...

Page 34: ...unplug its power cord 2 Lay the LCD monitor face down on a flat surface with a cushion beneath it to protect the screen 3 Remove four screws and then remove the stand from the LCD monitor 4 Align the mounting interface Pad with the holes in the rear cover mounting pad and secure it with four screws that came with the arm type base wall mount hanger or other base ...

Page 35: ...AND_FRONT 1 ASSY BASE 1 BASE 1 RUBBER FOOT 4 SCREW MINUS M4 8 Zn 1 Key PAD PCBA 1 Earphone PCBA 1 BACK COVER 1 BKT VESA 4 ASSY STAND 1 BEZEL FRONT LE2294 BUTTON LE2294 ASSY CHASSIS Power Board 1 SCREW M3 6 4 SCREW M4 6 1 PCBA I F BOARD 1 CABLE 30 PIN FFC SCEW M3 6 1 BOLT 4 40x11 8 W CUT D SUB DVI Ni CHASSIS 1 MYLAR TRANSPARENT 2 SHIELDING 1 TAPE ACE PC 10x4 Speaker 2 LCP 22 MT220WW01 V0 G1 INNOLUX...

Page 36: ...37 1 unscrew the manual scerw and remove the base 2 unscrew the stand screws and remove the stand 3 Lift the back cover and use jig remove the lamp shielding 4 Disconnect lamp wire and earphone wire ...

Page 37: ...38 5 Tear the adhesive tape and disconnect keypad wire 6 Disconnect the speaker and LVDS wire 7 Remove chassis assembly and lift up the panel ...

Page 38: ...2 G1 INNOLUX SCREW M4 10 3 ASSY BEZEL 1 ASSY PANEL 1 ASSY BACK COVER 1 CHASSIS 1 MYLAR TRANSPARENT 2 MYLAR BLACK 2 LE 2294 LCD Monitor COVER FRONT BUTTON LE1970 ROHS LENS LE1970 ROHS SHIELDING 1 TAPE ACE PC 10x45mm 1 STAND_BACK 1 HINGE 1 SCREW M4 10 3 STAND_FRONT 1 ASSY BASE 1 BASE 1 RUBBER FOOT 4 SCREW MINUS M4 8 Zn 1 KeyPAD PCBA 1 BACK COVER 1 BKT VESA 4 ASSY STAND 1 ASSY CHASSIS Speaker 2 BEZEL...

Page 39: ...40 11 PCB Diagram 11 1 Main Board 11 1 1 Main Board Top Layer 11 1 2 Main Board Bottom Layer ...

Page 40: ...41 11 2 Power Board 11 2 1 Power Board TOP Layer 11 2 2 Power Board BOTTOM Layer ...

Page 41: ...o 37mA 1 3 The power to the panel is switched off 2 When the AD board is operating normally 2 1 The maximum power consumption of the panel lamps is described below It may vary depending on the panel manufacturer INL 4 7 0mA 680Vrms 4 4 76W 19W CMO 4 7 0mA 775Vrms 4 5 43W 21 7W 2 2 The power consumption of the Panel Control board is as follows 5V 700mA 3 50W 2 3 The power consumption of the Scaler ...

Page 42: ... switching of Power MosFET is controlled by Micom 4 Scaler Receives the analog R G B signals and convert them to proper reso lutions using up or down scaling that are transferred to the panel in the LDVS formats 5 Crystal Oscillator Use one 14 318MHz oscillator externally to supply power to both MCU and Scaler at the same time 6 Scaler EEPROM I2C is a two way serial bus of two lines that supports ...

Page 43: ...eases the duty cycle of the MOSFET from zero to the maximum value over approximately 4ms If no external feedback supply current is fed into the FB pin by the end of the soft start the current Setpoint will be above the fault level FAULT flag is raised if the FAULT duration exceeds 80ms the output controller disable Resistor R808 R809 R810 R811 are for line over voltage shutdown OVP When PWM is tur...

Page 44: ...C512 C521 and resistor R508 connected at CT pin of IC501 C515 connect the TIMER pin of IC501 the capacitor to set striking time and shunt down delay time DRV DRV2 output for power MOSFET U501 U502 2 OZ9938 provides two drive signals for U501 U502 and they work in push pull topology driving two transformers are connected in parallel with each transformer driving two lamps in series Turning each N C...

Page 45: ...input resolution to other resolution ex 640 480 to 1024 768 Auto Configuration Auto adjustment This is an algorithm to adjust monitor to optimum condition by pushing one key OSD On Screen Display Customers can easily control the screen settings using the OSD FINE The Fine adjustment is used to adjust visibility by controlling phase difference COARSE This adjustment adjusts the display by tuning Vi...

Page 46: ...while showing odd lines and then even lines in turn is called the Interlace method The Non Interlace method is used for the majority of monitors to ensure a clear image The Interlace method is the same as that used in TVs Plug Play This is a function that provides the best quality screen for the user by allowing the computer and the monitor to exchange information automatically This monitor follow...

Page 47: ... Cable Detect Cable Detect 11 NC NC 12 Bi Dr Data SDA Bi Dr Data SDA 13 H Sync Not Used 14 V Sync Not Used 15 DDC Clock SCL DDC Clock SCL 15 Pin D Sub Signal Cable Connector 13 2 Pin Assignments VGA DVI D Pin Symbol Pin Symbol Pin Symbol 1 RX2 9 RX1 17 RX0 2 RX2 10 Rx1 18 RX0 3 GND 11 GND 19 GND 4 RX4 12 RX3 20 RX5 5 RX4 13 RX3 21 RX5 6 SCL 14 5V Power 22 GND 7 SDA 15 GND 23 RXC ...

Page 48: ...60 004 19 XGA70VESA 75 000 1 328 1 024 144 136 806 768 29 6 56 476 70 069 20 XGA72 GTF 78 434 1 360 1 024 168 112 801 768 29 3 57 672 72 000 21 XGA75VESA 78 750 1 312 1 024 176 96 800 768 28 3 60 023 75 029 22 1152X864 75VESA 108 000 1 600 1 152 256 128 900 864 32 3 67 500 75 000 23 1152X870 75MAC 100 000 1 456 1 152 144 128 915 870 39 3 68 681 75 062 24 1152x900 67GTF 96 223 1 536 1 152 192 120 9...

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