Color monitor with plug & play 19" (18" viewable diagonal) (18 pages)
Summary of Contents for Nokia 800Xi
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Chassis 456A Nokia Display Products Oy P .O.Box 14 FIN ---24101 Salo, Finland 18.1” TFT-LCD PANEL COLOUR MONITOR 800Xi and 800XA and 820L Contents Service Monitor Dismantling Parts List PCB Part List PCB Layout Pictures Circuit Diagram 456A0... Controller Board....SMZ082D Power/Audio Board.....
Service Contents Revision history 1. Important Notes to the User 1.1. Before Installing Your Monitor 1.2. Synchronization 1.3. Image Properties 1.4. Cleaning 2. Product Overview 2.1. Technical Specifications 2.2. Preset Display Modes 2.3. Monitor Connection 2.4. User Controls 2.4.1. Power Switch 3.
1. Important Notes for the User 1.1. Before Installing Your Monitor Make sure that the monitor is disconnected from the mains supply and the computer is switched off using the power switch Do not place this monitor on an unstable base. Keep the monitor away from heat generating equipment and moist, dusty or unclean places.
Do not use water or any other liquid for cleaning. Use a soft, clean and dry cloth (e.g. Nokia Hitec 860003) for cleaning. The use of microfibre cloth is recommended. Dampen the cloth with water or mild detergent if necessary.
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1.5. Audio (Optional in 456A151 and 456A159) 1.5.1. Connectors Audio in 3.5 mm DC in 2xVGA 1.5.2. Amplifier Output power 2 * 1.5 W (RMS) to 16 τ load 1.5.3. Loudspeakers Nominal power 3W Nominal inpedance 16 τ Frequency range 200 Hz --- 18 KHz 1.5.4.
2.2. Preset Display Modes Right Border Left Border Full 0.7 V intensity Video Blanking H Blanking H Active Video H Back porch H Front Porch H Sync H Sync. Signal Bottom Border Upper Border Full 0.7 V intensity Video Blanking V Blanking V Active Video V Back Porch...
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Right Border Left Border Full 0.7 V intensity Video Blanking H Blanking H Active Video H Back porch H Front Porch H Sync H Sync. Signal Bottom Border Upper Border Full 0.7 V intensity Video Blanking V Blanking V Active Video V Back Porch V Front Porch V Sync...
2.3. Monitor Connection Make sure that the monitor is disconnected from mains and the power switches of the computer and all attached devices are turned off before connecting the monitor. 1. Connect the signal cable plug to the videocontroller con- nector at the back of the computer.
2.4. User Controls 2.4.1. Power Switch Push the power switch to turn the monitor on or off When the power is turned on, the power- -on indicator will light. The monitor is turned off with power switch or disconnected from mains outlet if light is out. Input Signal selector Volume...
3. Menu All adjustments and settings are covered with following main menu displays: Brightness, Contrast, Position, Information, All Reset 3.1. Moving in the Menu a) Call the menu to the screen by pushing button. b) Select the header with - -/+ buttons. c) Push to confirm the selection.
3.5. Contrast Contrast increases the brightness difference between light and dark colors. Adjust contrast adequately according to ambient light conditions to obtain the best picture quality. 3.6. Sub Contrast (R, G, B) With red(R), green(G), and blue(B) intensity controls you may adjust general tint of the picture 3.7.
4. Picture Adjustment Start LCDNTEST --program from Nokia Monitor Drivers diskette or use another on/off picture. 1. Select Position / H.Size and adjust vertical disturbances on the screen to minimum. 2. Select Position / Clock Phase and focus the the picture horisontally with the help of text and vertical lines on the white background.
5. Display Modes The screen has 1280 horizontally addressable pixels and vertically 1024 pixels. If the incoming signal resolution is 1280 x 1024, the picture fills whole screen. If the resolution of the signal is less than 1280 x 1024, the picture does not fill the whole screen and as a result there may be a black border around the picture.
6. Site Preparation 6.1. Troubleshooting These troubleshooting instructions are meant to eliminate interruptions of use caused by possible easy--to--find defects (e.g. loose connector). Symptom Measures Picture The indi- Check that the power cord is correctly connected to the monitor and to the power screen is cator on unit.
Digital multimeter: Fluke 87 or equivalent true RMS multimeter Signal generator: VTG220 + PC or programmable video generator Color analyzer: e.g. Topcom BM--7 Oscilloscope 40--100 MHz band width ESD protection necessary Nokia Monitor Setup diskette 7.4. Test Patterns Active vertical video time...
8. Precautions Please pay attention to the following when the TFT--LCD module with the Back--light unit is used, handled and mounted. 8.1. Precautions to Mounting Since the module is thin and heavy, applying strong force to a part of the module may cause partial deformation of frame or mould, and cause malfunctions of the module.
8.5. Precautions to Handling Protection Film The protection film for polarizer shall be pealed off slowly and carefully by persons who are elec- trically grounded with adequate methods such as list bands. Besides, ionized air shall be blown over during the peeling action. Dusts on the polarizer shall be blown off by an ionized nitrogen gun and so on.
9. Replacing Lamp Holder Set (Backlight) 9.1. Precautions to Replacing Lamp Holder Set During the procedures, all power supplies not only to the module but also to the inverter shall be switched off. Replacing work shall be started after the inverter and backlights become sufficiently cool. Special care shall be taken to the display area in order not to damage its surface The shall not be touched with bare hands to protect its surface from stains.
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Turn the monitor Loosen screws. Turn the monitor Remove the bottom plate Loosen screws and connectors Remove the panel 456A...
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Loosen screws and connector Remove Inverter Loosen screws and connector Remove lamp holder set 456A...
10.3. Appearance Specification Item Specifications Measurement criteria Quality Foreign Materials, Dot shape Average diameter ( ) mm Allowed value St i Stain, Dust ( ) ≤ 0.2 All allowed 0.2 < ( ) < 0.3 ≤ 10 points 0.2 ≤ ( ) ≤ 0.3 ≤...
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456A0.. BLOG DIAGRAM R , G , B G sync TFT COLOR LCD MODULE NL128102AC28- -01A Hs , Cs DCC1/2B VDD VDDB User interface ON / OFF - - select - - up - - down - - reset AC/DC adapter DC/DC 19 V 70 W 12 V 5 A...
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456A1.. BLOG DIAGRAM R , G , B G sync TFT COLOR LCD MODULE Hs , Cs NL128102AC28- -01A DCC1/2B Video input selector R , G , B G sync Hs , Cs VDD VDDB Input sel DCC1/2B User interface ON / OFF - -select - -up...