LCD-Monitor Chassis LDP21WS Model 215TW SERVICE Manual TFT-LCD Monitor Fashion Feature - Applying MFM UI - Applying HDCP / PIP - Supporting Magic Tune 4.0 - Supporting Analog / Digital / AV / S-Video / Component...
Page 2
Samsung Electronics Co.,Ltd. -This Service Manual is a property of Samsung 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Electronics Co., Ltd. Gyeonggi-Do, Korea, 443-742 Any unauthorized use of Manual can be punished Printed in Korea under applicable International and/or domestic P/N : BN82-00137G-00 law.
2 Product Specifications 2 Product Specifications 2-1 Fashion Feature - Support Analog/Digital/AV/S-Video/Component - Improved Response Time by Adopting 16ms - Support PIP when the sources are Anaolg and Digital - Magic Bright2 : 6steps used Custom/Text/Internet/Game/Sports/Movie - Magictune 4.0 and Pivot software installed - Auto Pivot : When the monitor is rotated in 90 degree, the display LED and OSD also are autimatically rotates accordingly.
Page 4
2 Product Specifications 2-3 LDP21WS feature Feature Feature Operating method If Doppler turns on in some resolution for the first time, it can execute Auto Auto Auto adjustment automatically for the high Quality Auto Power Doppler can check the change of Source on/off Automatically and change the source to the active Input Doppler supports Wall mount...
2 Product Specifications 2-4 Spec Comparison Key Specification ey Specification Model LS21BRBS LDP21WS 214T 215TW Screen Size 21.3" 21.0" Brightness 300 cd/㎡ 300 cd/㎡ Contrast 700:1 900:1 Response Time 16ms 16ms ( G to G : 8ms ) Input Source Analog / Original Analog / Digitla / AV / AV / S-Video...
Page 6
2 Product Specifications 2-5 Spec Comparison to the Other Models Model LS21BRBS LDP21WS 214T 215TW Response 21.3" 21.0" Input Source 300 cd/㎡ 300 cd/㎡ Magic Pivot AUTO (Pivot program + Aensor IC) AUTO (Pivot Program + Sensor IC) Magic Color Magic Tune Ver 4.0 Ver 4.0...
3 Alignments and Adjustments 3 Alignments and Adjustments This section of the service manual explains how to use the RS232 JIG. This function is needed for AD board change and program memory (IC200) change. 3-1 Required Equipment The following equipment is necessary for adjusting the monitor: ·Computer with Windows 95, Windows 98, Windows NT, Windows 2000, or Windows XP.
3 Alignments and Adjustments 3-6 Service Function Spec. 3-6-1 How to Display Service Function OSD 1. The OSD is displayed just like in 3-2. 2. To exit the service function, press the POWER key and restart the Monitor. Figure 2. The example of service function OSD 3-6-2 How to Control Service Function OSD Use the ▲...
3 Alignments and Adjustments 3-8 EDID Installation with Windows Program 1. Execute "WinDDC.exe" 2. Click "Sys Config" Select "Station : Write station" Check "Serial No and Week : Don't change" Click "Save" 3. Click "Open" icon. Select "Connected Port #1" and Next "OK". * File Name - SM215TWA.DDC SM215TWD.DDC Press enter key on your keyboard.
5 Exploded View & Parts List 5 Exploded View and Parts List -You can search for updated part codes through ITSELF web site. URL : http://itself. sec. samsung.co.kr 5-1 LDP21WS Exploded View T0003 M0215 M0006 T0376 M0014 M0006 M0001 M0003...
6 Electrical Parts List 6 Electrical Parts List -You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 6-1 LS21DPWASQ/EDC Parts list Level Loc. No. Code No. Description & Specification SA/SNA LS21DPWASQ/EDC 215TW,WSA1/S21A2-LDP,21,LCD-MO,NETHERLAN M0002 BN90-00823S ASSY COVER REAR;LS21DPWAB/XAA S.N.A...
10 Operating Instructions and Installation 10 Operating Instructions and Installation 10-1 Front MENU button 2) Text Opens the OSD menu. For documentations or works involving heavy Also use to exit the OSD menu or return to the text. previous menu. 3) Internet 2,3 Adjust buttons [ For working with a mixture of images such as...
Page 43
10 Operating Instructions and Installation 1)Dynamic Select this mode to view a sharper image than Headphone sound output terminal in "Standard" mode. Speaker 2) Standard You can hear sound by connecting the Select this mode when the surroundings are soundcard of your PC to the monitor. bright.
Page 44
10 Operating Instructions and Installation 10-2 Rear 1. POWER 1. POWER S/W : Switch the monitor on and off. 2. POWER : Connect the power cord for your monitor to the POWER on the back of the monitor. 2. DVI/PC IN 1.
Page 45
10 Operating Instructions and Installation 3. COMPONENT IN 1. R - AUDIO - L : DVD/DTV sound input terminal (left/right) 2. P : DVD/DTV video input terminal(P 4. S-VIDEO / VIDEO / R - AUDIO - L 1. S-VIDEO : External device (S-video) input terminal 2.
10 Operating Instructions and Installation 10-3 Using the Stand 10-3-1 Removing the base 1. Turn off your monitor and 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.
10 Operating Instructions and Installation 10-3-2 Attaching a Base - This monitor accepts a 100mm x 100mm VESA-compliant mounting interface pad. A. Monitor B. Mounting interface pad 1. Turn off your monitor and 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.
11 Disassembly and Reassembly 11 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LDP21WS TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 11-1 Disassembly Cautions: 1.
Page 49
11 Disassembly and Reassembly Description Picture Description 2. Take out 3 screws on rear cabinet. Use the Jig and Separate Cover Rear. 3 - Separate Function cable from Main Board. - Separate Lamp wire shield - Separate AV cover 4. Separate lamp wire 11-2...
Page 50
11 Disassembly and Reassembly Description Picture Description 5. - Separate LVDS cable form the Panel. - Separate the 5 screws from the PBA Board. 11-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. 11-3...
Page 51
11 Disassembly and Reassembly Memo 11-4...
13 Circuit Descriptions 13 Circuit Descriptions 13-1 Block description 13-2 Block operating Feature Description Scaler Scaler Integrate ADC and TMDS, Scaling part DDR memory Save frame information that SCALER needed MEMORY VIDEO This chip receives video signal from the source and decodes signal to scaler needed DECODER -.MCU recognize angle through the sensor and rotate OSD Pivot sensor...
14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms - TFT-LCD - FINE "Fine" adjustment is used to adjust visibility by (Thin film Transistor Liquid Crystal Display) ADC(Analog to Digital Converter) control phase difference. This is a circuit that converts from analog signal to digital signals.
Page 55
14 Reference Infomation - Dot Pitch - External Device Input The image on a monitor is composed of red, green External device input refers to video input from and blue dots. The closer the dots, the higher the such external video devices as VCRs, camcorders resolution.
Page 56
14 Reference Infomation Connect the power cord for your monitor to the POWER on the back of the monitor. Plug the power cord for the monitor into a nearby outlet. 2-1. Using the D-sub (Analog) connector on the video card. Connect the signal cable to the 15-pin, RGB port on the back of your monitor.
14 Reference Infomation 14-2 Connecting to Other devices - This monitor allows the user to connect it to such input devices as a DVD player, a VCR or a camcorder without disconnecting the PC. - The configuration at the back of the monitor may vary from product to product. 1) Connecting AV Devices - The monitor has AV connection terminals to connect AV input devices like DVD, VCR or Camcorder.
Page 58
14 Reference Infomation 2) Connecting DVD/DTV Set Top Box - Connect to the DVD/DTVSet Top Box input if the device has a DVD/DTV connector. You can watch Component simply by hooking up the Component with the monitor as long as the power is on. 1.
14 Reference Infomation 14-3 Pin Assignments Sync 15-Pin D-Sub Signal Cable Connector Type Separate Composite Sync-on-green Pin No. Green Green Green + H/V Sync. Blue Blue Blue DDC Return (GND) DDC Return (GND) DDC Return (GND) GND-R GND-R GND-R GND-G GND-G GND-G GND-B...
14 Reference Infomation 14-4 Timing Chart - This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 14-1 Timing Chart VESA Mode VGA2/ VGA3/ 640/75 Hz 800/60 Hz 800/75 Hz 1024/60Hz 1024/75Hz 1280/60Hz...
14 Reference Infomation 14-5 Preset Timing Modes - If the signal transferred from the computer is the same as the following Preset Timing Modes, the screen will be adjusted automatically. However, if the signal differs, the screen may go blank while the power LED is on.