Nokia 447PRO Service Manual Download Page 29

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447R

7.2. Preliminary Preparations

Connect the signal cable to the PC. Switch on the monitor and the PC. Let the monitor warm up for

20 minutes before starting the adjustments.

7.2.1. High Voltage

Select 31.47kHz/60Hz (NCE300) crosshatch test pattern.

Connect the high voltage meter to the anode of the picture tube.

Adjust the high voltage to

27.0 ±0.3 kV

with

RT301

on SMA---board.

Back edge

SMA-board

Front

RT301

Summary of Contents for 447PRO

Page 1: ...and part number Level SMA249C xx Contents Service Chassis 447R Part List PCB Part List PCB Layout pictures Monitor Dismantling CRT module Main Board module 1 Nokia Display Products Oy P O Box 14 FIN 24101 Salo Finland 17 High Resolution Colour Monitor 447PRO 2 SMH164C SMA249E ...

Page 2: ...447R ...

Page 3: ...he User Memory 3 2 Memory for Factory Adjustments 3 2 1 Adjustment 4 Service Mode 4 1 Grouping of the adjustments 4 2 Service Menu 4 2 1 Access to the Service Mode 4 2 2 Geometry 4 2 3 Grey Scale 4 2 4 Initializing the Replacement IC IC203 on SMA 4 2 5 Storing Adjustments 4 2 6 Exit from Service Mode 5 Workshop Maintenance 5 1 Important Safety Notice 5 1 1 Discharging the CRT 5 2 ESD Sensitive Par...

Page 4: ...c Convergence 7 7 4 Dynamic Convergence 7 7 5 Allowed Error Levels for Convergence 7 8 Colour Purity 8 Screen and Faceplate Blemishes 8 1 Quality Area 8 1 1 Definitions of inspection quality 8 2 Face Defects Limits 8 3 Glass Blemishes 8 3 1 Scratches 8 3 2 Bubbles 8 3 3 Foreign Materials Revision History Rev Date Prepared by Comments 08 99 30 08 1999 J Paukku 02 00 09 02 2000 J Paukku SMA249E adde...

Page 5: ...spend 5 W Auto power off 3 W typically 1 W Active off Memory Locations 19 for factory preset timings 3 for user adjusted timings Geometric Distortion The distance between bezel and active screen edge shall not vary more than 2 mm in both vertical and horizontal dimensions Luminance Min 90 cdm 2 nits at center with full white field Video Input Input Signal RGB analog positive max 0 7 V 75 τ Horizon...

Page 6: ...0 20 677 18 631 21 333 H Active Video μs 8 127 10 836 7 901 9 877 9 481 11 852 13 003 15 754 14 222 16 162 H Resolution 1280 1024 1600 1600 1286 1280 1024 1024 800 800 H Sync μs 1 016 1 016 0 948 1 185 1 062 1 037 1 219 2 092 1 138 1 616 H Back Porch μs 1 42 2 201 1 501 1 883 1 843 2 296 2 235 2 462 2 702 3 232 V Frequency Hz 85 0 85 0 75 0 60 0 75 0 60 0 75 0 60 0 85 1 75 0 V Period Lines 1072 80...

Page 7: ... 560 H Active Video μs 20 000 17 778 20 317 25 420 25 423 9 481 10 667 14 400 11 520 H Resolution 800 640 640 640 720 1152 1152 1152 1152 H Sync μs 3 200 1 556 2 032 3 813 3 814 1 053 1 185 1 200 1 280 H Back Porch μs 1 00 2 222 3 810 1 906 1 907 1 843 2 370 2 400 1 440 V Frequency Hz 60 3 85 0 75 0 59 9 70 1 85 1 75 0 60 1 75 1 V Period Lines 628 509 500 525 449 911 900 905 915 V Resolution 600 4...

Page 8: ...1 0 0 NCE605 0 0 0 0 1 1 0 0 NCE700 0 0 0 1 0 0 0 0 NCE513 0 0 0 1 0 0 0 0 NCE603 0 0 1 0 0 1 0 0 NCE506 0 0 1 1 0 1 1 0 NCE40A 0 1 0 0 1 0 1 0 NCE501 0 1 0 1 1 1 1 0 NCE406 0 1 1 0 0 0 1 0 NCE30A 0 1 1 1 1 0 1 0 NCE401 1 0 0 1 1 0 1 1 NCE306 1 0 0 1 1 1 1 1 NCE200D 1 1 1 1 1 1 1 1 NCE300 1 1 1 1 1 1 1 1 ...

Page 9: ...ndenser microphone 1 4 2 Amplifier Output power 2 3 0 W RMS to 16 τ load 1 4 3 Loudspeakers Nominal power 5W Nominal inpedance 16 τ Frequency range 200 Hz 18 KHz 1 4 4 Special Features Volume control Adjusted via OSM or Menu knob Balance control Bass control 12 dB Treble control 12 dB National 3D sound Enhanced stereo sound Line out Line in R L MIC ...

Page 10: ...ansferring compressed video for teleconferences but it cannot handle moving video with high resolution USB devices can be divided into two categories namely bus powered and self powered devices Self powered devices take their power from the mains supply Bus powered devices rely on the power supplied by the USB cable In the picture before low power devices like keyboard and mouse can be called as l...

Page 11: ...tion as keyboard mouse printer scanner modem etc Display controls and alignments via PC Power mode ON Stand by Suspend OFF Control codes Brightness Contrast R Gain G Gain B Gain R Black Level G Black Level B Black Level H Position H Size H Pin Balance V Position V Size H Moire V Moire Parallelogram Distortion Trapezoidal Distortion Tilt 1 5 5 USB connectors The data is transferred differentially m...

Page 12: ...with extension lead The DDC signals will not accept extended cable 1 4 2 If there is no DDC in your computer PC Normally there is no need for adaptor when connecting signal cable to your computer Use MAC adaptor in signal cable when connecting the monitor to an Apple Macintosh computer If the computer is equipped with separate display adapter card It may have a standard D SUB connector In that cas...

Page 13: ...itor Green The monitor is in normal operation or stand by state Blinking Green The monitor is in automatic suspend or power off state Not illuminated The monitor is turned off with power switch or disconnected from mains outlet If the power management function working properly in your computer you do not need to switch the monitor on or off It happens automatically The power switch does not discon...

Page 14: ...disappears and a scale shows the position of the adjustment In addition to the bar position of the adjustment is shown as a percentage of the maximum value The upper number shows the current value and the lower one shows the value where the adjustment started f Adjust with navi buttons g When ready push button 1 8 2 Exit Menu All displays disappear automatically in 20 seconds or at once by selecti...

Page 15: ...ALUE 40 ADJUST OK PINCUSHION 30 PREVIOUS VALUE 40 ADJUST OK PINCUSHION BALANCE 30 PREVIOUS VALUE 40 ADJUST OK SIZE POSITION SHAPE COLOR AUDIO MISCELLANEOUS EXIT MENU DEFAULT COLOR COLOR PRESETS 9300 K RED GREEN BLUE SAVE CURRENT COLOR MOVE SELECT NOKIA 447PRO 75Hz SIZE POSITION SHAPE COLOR AUDIO MISCELLANEOUS EXIT MENU BALANCE VOLUME BASS TREBLE MIC LEVEL STEREO MODE STEREO MIC SELECT INTERNAL SPE...

Page 16: ...ident that the monitor functions correctly and the problem is caused by an error in other parts of the system Check the signal cable s connection pins If the pins are slightly distorted use nose pliers to straighten them The Selftest menu appears The computer may use a timing values which are out of the monitor s synchronization range Picture has colour de f t Demagnetize the monitor fects If colo...

Page 17: ...he operation State Colour of the power on indicator Monitor Normal Operation Green Normal functions Stand by Green frequency 2Hz Stand by recovery 2s Suspend Green frequency 2Hz Suspend recovery 20s Power off Blinking green frequency 1 5 Hz No user functions MCU operates on background Power key power off Not illuminated No functions DPMS Display Power Management Signaling is a trade mark of Video ...

Page 18: ...rties are coming from memory for factory adjustments 3 2 Memory for Factory Adjustments 3 2 1 Adjustment 4 Factory adjustments can be updated with service menu in service mode If there is no location in factory adjustment memory for timings currently in use the adjustment affects the memory for user adjustments If the memory location mentioned in case 1 is empty the picture adjustment values are r...

Page 19: ...w the adjustments act in relation to the display modes Adjustment Common for all Display modes Separate for each Display mode Available in User Mode Available in Service Mode Horizontal Centering X X X Vertical centering X X X Height X X X Width X X X Pincushion X X X Trapezoid X X X Orthogonality X X X Tilt X X X Moire X X X Pincushion balance X X X S correction X X C correction X X E W corner X ...

Page 20: ...24 85 Hz NOKIA 447PRO 85Hz 4 2 3 Grey Scale This monitor has sexen preset tints With tint numbers smaller than 4 the picture becomes reddish and with tint numbers greater than 4 the picture turns blue Tint no 1 2 3 4 5 6 7 Colour Temperature 5000K 6000K 6500K 7000K 8000K 9300K 10000K The grey scale adjustment affects directly tint number 6 9300K only Other tints are derived auto matically from 930...

Page 21: ...efore Select Memory settings menu Select Monitor type OEM the type of the DDC EXT AUDIO OFF and the type of the CRT AG Select INITIALIZE EEPROM Switch OFF the monitor Caution Initializing of a programmed memory IC deletes all user and factory made adjustments 4 2 5 Storing the Adjustments When the adjustment is ready return to the menu by pushing button The new setting is stored automatically 4 2 ...

Page 22: ...he following instructions Keep the ESD sensitive part in its original shipping container until you are ready to install the part into the component card Just before touching the ESD sensitive part discharge to the monitor any static electricity in your body do this by touching the metal frame or cover of the machine If possible keep one hand on the frame when inserting or removing a logic card for...

Page 23: ...n picture tube facing down 1 Push dowel together 2 Loosen and remove three screws And take off usb cable 3 Loosen and remove two screws 4 Open the plastic pawl with a screwdriver or the special tool for instance 860006 by pushing don t twist 860006 4 2 1 3 4 ...

Page 24: ...ed with all factory pre set timing modes and in an ambient illumination of 500 lux 6 1 Active Picture Size and Location Definition Picture size is defined as the width and height of the display using the active raster not including the border Measurement 16 x 12 Cross hatch test pattern Full white field brightness 95 cdm 2 nits The width and the height are measured via the centre of the screen Req...

Page 25: ...t the background raster has just extinguished and the contrast control is set to maximum Requirements For horizontal sync frequencies above 60 kHz The limits for vertical or horizontal non linearity are 5 between adjacent squares and 8 between any squares For horizontal frequencies below 60 kHz The limits for vertical or horizontal non linearity are 8 between adjacent squares and 12 between any sq...

Page 26: ...the difference in color coordinates between that area and the center of the display area shall be less than x 0 015 y 0 0 15 In addition the square root of the sum of the squares of the differences in x and y must be less than or equal to 0 015 6 8 Luminance Definition The following methodology and definition of luminance shall be applicable throughout this specification Luminance shall be measure...

Page 27: ...f the red green and blue beams at the screen using rectangular coordinates The centre is defined as the midpoint of the brightest portion of the beams Measurements Using a crosshatch test pattern adjust each gun to produce white dim lines Adjust brightness control so that background will just disappear Set contrast control to give a luminance level of 50 cdm2 nits on a white 50 mm x 50 mm square a...

Page 28: ... See 7 6 Adjust the convergence in the middle of the tube with static adjustments See 7 7 3 Adjust the convergence in the corners of the tube with dynamic adjustments See 7 7 4 7 7 Convergence Exit from service mode See 4 2 6 STOP Perform Preliminary preparations See 7 2 START YES NO Assemblies or components replaced NO Reset user memory for display modes to be ad justed See 3 1 2 Activate service...

Page 29: ...PC Let the monitor warm up for 20 minutes before starting the adjustments 7 2 1 High Voltage Select 31 47kHz 60Hz NCE300 crosshatch test pattern Connect the high voltage meter to the anode of the picture tube Adjust the high voltage to 27 0 0 3 kV with RT301 on SMA board Back edge SMA board Front RT301 ...

Page 30: ...n for all display modes 4 Adjust size position and shape of the picture equal to the mask aper ture Adjust first the properties with largest deviation from the correct value 5 Adjust final width and height 6 The distance between bezel and active screen edge shall not vary more than 2 0 mm in vertical and horizontal direction 7 Repeat steps 4 and 5 for every display mode to be stored Note that the ...

Page 31: ...MOST DOMINANT COLOUR Check the domi nant colour again according to the instructions 5 Set to the maximum and check that the illuminance is still 2 5 1 0 cdm2 If not adjust with G2 in service menu 6 Adjust picture illuminance to 1 0 cdm2 nits with potentiometer and check the colour coordinates 7 4 3 High Light 1 Select 91 146 85 0 NCE642 black test pattern 2 Adjust with the picture illuminance to 1...

Page 32: ...he line with marking Y up upwards when measuring horizontal line Place the gauge on the line with marking X up upwards when measuring vertical line If the line has convergence error the line in the window seems to be broken Use knobs A and B to adjust the line continuous If the readings are on the opposite side of zero the convergence error is A B e g 0 2 0 1 0 3 If the readings are on the same si...

Page 33: ...area R B R B RGB RGB R B R B B R B RB RB RB R B R B R B R B R R B R B R B R B RB RB B R B RB RB RB R B R B R B R B R R B R B RB RB R B R B RB RB RB R B R B RGB RGB R B R B R B R B RB RB Purity magnet rings Do not adjust 7 7 5 Allowed Error Levels for Convergence Area A 0 30 mm Area B 0 40 mm ...

Page 34: ...rings If the purity magnet rings are found to have moved during trans portation or handling set them just in the original position by tracing the locking paint put on purity magnet rings and holder of beam bender and then readjust the static convergence ...

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Page 37: ...foc 27 kV G2 Dyn foc Stat foc BCL TDA4886 R in G in B in V blank input clamp H blank output clamp STV9427 H sync V sync H blank clamp V blank clamp G2 2 Lin 6 S cap Vert yoke Hor yoke V H sync K e y b o a r d SDA ON OFF soft I C 2 I C 2 I C 2 R G B FBLK H V sync V fly Vertical adjust and control RESET SUSPEND POWER ON LM2403 NATIONAL PHILIPS CONTRAST BRIGHTNESS XRAY SCL INT USB_ON KEY_PAD 15V T o ...

Page 38: ... 5 ...

Page 39: ...447R 37 1 2 3 4 5 6 7 8 9 10 ...

Page 40: ...447R 38 11 12 13 14 15 16 17 18 19 20 ...

Page 41: ...447R 39 21 22 23 24 25 26 27 28 29 30 ...

Page 42: ...447R 40 31 32 33 34 35 36 ...

Page 43: ...447R 1 Spare Parts Spare Parts P N Production P N Description Emis sion 447PRO 447R351 17 NOKIA FLAT AG USB AUDIO EU TCO 447PRO 447R359 17 NOKIA FLAT AG USB AUDIO US TCO ...

Page 44: ...utton UT1847 3 6 Lightpipe UA7743 4 7 PCB audio connector SME004 16 8 Microphone tube SE2761 14 9 Control module SMZ081 21 10 Screw WC0347 11 Loudspeaker QP0233 15 12 Loudspeaker box UG1026 6 13 Fastener UL0140 3 14 Fastener UL0139 3 15 Chassis support UC7110 16 Screw WC0532 17 Chassis holder UG1065 4 18 Friction plate UL0729 1 19 Screw WC0352 1 ...

Page 45: ...maign coil FD0176 23 22 Lead band UJ0221 3 24 Screw WC0036 1 46 Foaming tape XF0200 50 Grounding band for crt SE2778 5 51 Grounding spring UC3016 2 55 Brace UC7164 9 DY cable QM0204 16 Tilt coil cable QM0188 5 Demaign coil holder UG1028 5 Ties UJ0220 5 ...

Page 46: ...r UC7015 3 28 Spring UC6946 2 29 Cover video 30 Video PCB SMH164 36 31 Bottom video 32 Cushion support UA1319 1 33 Cushion support UA1318 3 34 Grounding spring UC7064 2 35 Plate cover assembly UC7051 47 Spring UC7063 3 48 Support frame UG1050 9 52 Wire holder UG1070 8 53 Connector label ZZ2710 2 54 Connector label ZZ2863 5 ECN label ZZ2782 1 Ties UJ0125 1 ...

Page 47: ...support UA1319 1 36 Back cover UD0656 27 37 Screw WC0354 38 Type label ZZ2856 6 39 Bottom cover US0122 15 40 USB box UC7075 5 41 USB insulator UG1062 8 42 USB box cover UC7074 16 43 Screw WC0541 44 Bottom plate UC7010 11 45 Foot pad UL0135 2 ECN label ZZ2782 1 ...

Page 48: ...d Right ZA5023 11 LDPE Plasticbag 900x930 ZA0474 5 Accessories Plastic bag ZA0453 2 Audio cable QM0150 13 Microphone cable QM0151 12 Power cord QM0028 14 447R351 Power cord QM0049 12 447R359 USB cable QM0170 14 User guide ZK0024 11 Installation guide ZF5833 9 Warranty card ZF5812 2 447R359 nor normally supplied as spare part ...

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Page 50: ...NG SUPP PART FOR RES L1 01 NTC101 QK1632 ROW CONN 1X02 2 5 V STGLOCK S 02 QA504 QK1633 ROW CONN 1X03 2 5 V STGLOCK SN 02 QA503 QK1694 RCA JACK UNIT 2X6 3MM R W PCB9 06 QA501 QK1701 PICOFLEX HEADER 1X04 1 27MM 03 QA104 QA505 QK1702 PICOFLEX HEADER 1X06 1 27MM 03 QA203 QK1703 PICOFLEX HEADER 1X08 1 27MM 03 QA202 QK1736 SHROUDED HEADER 6POS 2 5 JST V 01 QA301 QK1712 PIN JACK 3 6MM MONO H 6 5MM 03 QA5...

Page 51: ... 1K00 1 0805 201 01 RA318 RA321 AC3310 CHIPRES OW1 1K54 1 0805 201 01 RA128 AC3316 CHIPRES OW1 1K78 1 0805 201 01 RA254 AC3334 CHIPRES 0W1 2K74 1 0805 201 01 RA484 AC3372 CHIPRES 0W1 6K81 1 0805 201 01 RA212 RA478 AC3388 CHIPRES 0W1 10K0 1 0805 201 01 RA440 RA446 AC3396 CHIPRES 0W1 12K1 1 0805 201 01 RA324 RA146 RA477 AC3402 CHIPRES 0W1 14K0 1 0805 201 01 RA158 AC3417 CHIPRES 20K0 0W1 1 0 01 RA224...

Page 52: ...ES 0W1 470K 5 0805 2 01 RA211 RA220 AC4541 CHIPRES 0W1 680K 5 0805 2 01 RA505 AC4543 CHIPRES 0W1 820K 5 0805 2 01 RA344 AC4553 CHIPRES 0W1 2M2 5 0805 20 01 RA201 RA202 AC4561 CHIPRES 0W1 4M7 5 0805 20 01 RA213 RA234 AC4569 CHIPRES 0W1 10M 5 0805 20 01 RA273 RA322 AC8705 CHIPRES 0W12 22K J 1206 3216 01 RA152 AC8733 CHIPRES 0W12 330K J 1206 3216 01 RA139 RA164 RA175 AC8799 CHIPRES 0W12 0R0 JUMPER 12...

Page 53: ...507 CA508 CA514 CC3320 CHIPCERCAP X7R 10N 10 50V 0 01 CA261 CA208 CA513 CA262 CA303 CA318 CA526 CA442 CA533 CA440 CA441 CA444 CA449 CC3330 CHIPCERCAP X7R 15N 10 50V 08 01 CA252 CC3360 CHIPCERCAP X7R 22N 10 50V 0 01 CA202 CC3380 CHIPCERCAP X7R 33N 10 50V 0 01 CA254 CC3570 CHIP CERCAP Y5V 47N Z 50V 0 01 CA145 CC3570 CHIP CERCAP Y5V 47N Z 50V 0 01 CA267 CC3480 CHIP CERCAP X7R 10 100N 25V 0 01 CA110 C...

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Page 75: ...25 10K J 2 5 7 01 RH 017 AB0595 NF RES 0W25 0R56 J 2 5 7 CF 01 RH 036 AC0180 CHIPRES 0W5 22K J 2010 01 RH 113 213 313 AC3584 CHIPRES 0W1 75R 1 0805 2 01 RH 100 200 300 AC4425 CHIPRES 0W1 10R 5 0805 20 01 RH 006 022 023 024 105 205 305 AC4433 CHIPRES 0W1 22R 5 0805 20 01 RH 102 202 302 AC4445 CHIPRES 0W1 68R 5 0805 20 01 RH 110 210 310 AC4449 CHIPRES 0W1 100R 5 0805 2 01 RH 001 002 003 004 008 011 ...

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