Iiyama Vision Master 405 Service Manual Download Page 32 | Manualshive

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FRONT

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27

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GOLF TOUR

JAPAN

Three Button Operated OSD

Windows 95/98Piug&Play

STAND

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28

49

47

54

36

48

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58

50

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53

25

FRONT

56

13

ASSY-PACKING

6. EXPLODED VIEW

Note: The numbers in this exploded view are the same as the reference numbers in the Chapter 5.

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Summary of Contents for Vision Master 405

Page 1: ...SERVICE MANUAL June 27 2000 710 1Kitaowaribe Nagano shi381 0014JAPAN IIYAMA CORPORATION Copyright NO S1700E01 i70A A705MT S705MT...

Page 2: ...Revision Record Rev Section Contents...

Page 3: ...UP ADJUSTMENTS SAFETY PRECAUTION 5 SERVICE PARTS LIST 6 EXPLODED VIEW 4 CIRCUIT DESCRIPTION 7 DIAGRAMS CONTENTS Page 41 46 47 50 1 12 13 14 15 16 24 25 40 i ii NOTICE The information in this document...

Page 4: ...product and the AC power supply point while performing any service on some products when the primary circuit of the AC power supply is exposed 4 The high voltage applied to the picture tube must conf...

Page 5: ...10W resistor paralleled by a 0 15uF AC type capacitor between an exposed metal part and a known good earth ground water pipe etc Measure the AC voltage across the resistor with the AC voltmeter Move t...

Page 6: ...the entire screen with degausser Perform adjustment by setting the brightness to center and the contrast to maximum except where specifically indicated Receive MODE 5 and turn ON the Power Switch Per...

Page 7: ...ch and remove the short connector from P803 connector to exit 2 In the adjustment menu select Function on the Main Menu and then select Language on the Sub Menu Follow the flow chart below and you are...

Page 8: ...N VOLTAGE adjustment PWB MAIN 1 2 3 4 Receive a cross hatch inverted signal of MODE 5 Turn ON the Power Switch Connect a high voltage probe between the SC connector on the PWB VIDEO and GND chassis Ad...

Page 9: ...IN 1 2 3 4 5 Receive a cross hatch inverted signal of MODE 6 Adjust the horizontal size and position of the picture roughly with the front buttons Maximize the brightness so that the back raster appea...

Page 10: ...Correct the Pincushion and Trapezoid distortion with the front buttons so that X of the right hand side figure is as follows X 3 0 mm Bezel A B C D Picture Pincushion Trapezoid Pinbalance Parallelogra...

Page 11: ...atic CUT OFF adjustment starts Turn ON the R G and B outputs on the signal generator so that the COLOR TEMPERATURE and CONTRAST LIMIT adjustments start automatically COLOR TEMPERATURE The X and Y spec...

Page 12: ...onnect a digital wattage meter Turn ON the Power Switch Receive a cross hatch inverted signal of MODE 5 Turn OFF the R G and B outputs on the signal generator Disconnect the H HV and V cables Confirm...

Page 13: ...he front buttons to make the horizontal center line have the same thickness at points L M and R And adjust the FOCUS B VR again to make the horizontal center line sharpest at points L M and R DBF Para...

Page 14: ...n C L and R is within 10cd m2 respectively If the luminance difference is not within the specified range above adjust VR501 UNIFORMITY C B T R L n 1 21 LUMINANCE DIFFERENCE confirmation A705MT i70A 1...

Page 15: ...t after a warm up of at least an hour CRT screen Back view of CRT DY Anode cap Magnet Color clash DF TAPE 890P329A10 10 1 22 ITC Integrated Tube Component adjustments The following ITC adjustments sho...

Page 16: ...and the 6 POLE MAGNET by turning the LOCKING RING Mark the 4 POLE MAGNET and the 6 POLE MAGNET with paint marker 090Z029A01 so that adjusted position is understandable 1 22 2 STATIC CONVERGENCE adjus...

Page 17: ...eas Note Must be careful not to affect distortion by this correction Fix the ferrite sheet withACETATE TAPE 890P306A10 1 2 3 1 22 6 YH adjustment 1 2 Receive a red and blue cross hatch signal Adjust t...

Page 18: ...z 640 400 640 480 640 480 800 600 1024 768 1280 1024 fH kHz 31 469 31 469 43 269 53 674 68 677 80 00 fV Hz 70 080 59 940 85 008 85 061 84 997 75 0 Sync polarity H N N N P P P V P N N P P P Q 1 112 1 0...

Page 19: ...4 Main power control IC903 LM317T 12V regulator IC904 LM317T 6 3V regulator Heater voltage ON OFF control IC905 KIA431 Feedback control Specifications of Microprocessor are on next page Note IC201 M52...

Page 20: ...tput terminal Upc1888 Pre OSD DA Clock terminal LED1 control LED2 control Main power off signal Degauss control signal output 12V power off signal Automatic adjustment Clock terminal Automatic adjustm...

Page 21: ...from the T901 secondary The T901 secondary provides the following DC voltages Q 80V line Supplied to the HIGH VOLTAGE OUTPUT and the CUT OFF circuits and the VIDEO OUTPUT IC as power source R 27V line...

Page 22: ...rom 70kHz and it reduces a power Q901 Drain waveform IC901 Pin 4 output waveform R Active off state Input voltage to IC906 is supplied from 80V line of T901 secondary when D914 thyrister is activated...

Page 23: ...f In case that the PROTECTION circuit is activated and the HORIZONTALDEFLECTION OUTPUT HIGH VOLTAGE OUTPUT and MAIN POWER SUPPLY circuits are turned off turn OFF and ON the Power Switch to recover The...

Page 24: ...is supplied from the 80V line the circuit controlled by 5V is activated Power save control signals Mode Normal Stand by Suspend Active off Sync signal H V Sync VIDEO ON V Sync VIDEO OFF H Sync VIDEO O...

Page 25: ...aveform is added to video output signal by synthesizing the H DBF parabolic waveform from Q517 and it corrects a luminance difference between the left and right side of the picture I2C BUS controls D...

Page 26: ...The horizontal sync signal is input to pin 26 R The vertical sync signal is input to pin 27 S The feedback pulse AFC pulse of the HORIZONTAL DEFLECTION OUTPUT circuit is input to pin 18 IC301 is auto...

Page 27: ...pin 11 and then the output pulse of pin 14 controls the horizontal size and distortion as follows Q H size The output duty of pin 14 is varied by the DC voltage input to pin 11 R Distortion The parabo...

Page 28: ...tion Q503 Gate waveform Q503 Drain waveform Q504 Corrector waveform 4 9 VERTICAL DEFLECTION circuit The sawtooth wave output from pin 4 of IC301 is amplified by IC401 and then supplied to the deflecti...

Page 29: ...and synthesized with V parabolic wave and then added to the focus circuit of the FBT flyback transformer CRT cathode waveform H period T504 FBT pin 13 DBF horizontal element input 2 V DBF The paraboli...

Page 30: ...ritical for safety Replace only with part number specified Abbreviations and Marks Page FAMILY TREE Contents 29 36 37 39 40 ASSY PWB MAIN ASSY PWB VIDEO SUB MATERIAL 28 ASSY MONITOR 27 ASSY PACKING St...

Page 31: ...ypropylene Capacitor Multilayer Metallized Polyester Film Diode Zener Diode Transistor Photo Coupler Positive Thermistor Horizontal Drive Transformer Flyback Transformer Variable Resistor Switch Switc...

Page 32: ...APAN Three Button Operated OSD Windows 95 98Piug Play STAND 37 43 28 49 47 54 36 48 52 58 50 46 53 25 FRONT 56 13 ASSY PACKING 6 EXPLODED VIEW Note The numbers in this exploded view are the same as th...

Page 33: ...2 52 31 15 16 18 54 12 42 4 4 50 33 34 36 10 20 6 0 56 A705MT A705MT ASSY 1 ASSY 2 ASSY MONITOR A705MT i70A S705MT P903 42...

Page 34: ...NAL P801 P805 SIGNAL AB FOCUS LEAD 50 2 30 45 45 41 50 37 37 38 28 29 50 40 53 M A X 1 5 m m M A X 4 0 m m J J H E G G D G F E B P805 G2 DY DY P903 P903 N2 N1 L2 L1 N2 L2 L1 N1 P802 P903 P801 P P304 R...

Page 35: ...50 49 ASSY 5 ASSY 4 ASSY MONITOR AL 26 25 22 43 44 2 2 21 2 44...

Page 36: ...5 D911 D909 D910 28 AH Q307 31 31 2 AH 31 Q504 D503 Q521 11 IC501 D308 J078 C330 J150 J076 T501 C333 50 37 W 28 2 29 U V 43 P Q R 21 20 19 18 15 14 13 44 42 L1 N1 N2 L2 N1 L1 36 30 2 2 P801 P802 P304...

Page 37: ...15 26 AH 20 16 AA AB 11 A B IC203 J51 ASSY PWB VIDEO 46...

Page 38: ...7 DIAGRAMS 47...

Page 39: ...502 D2S4M 21DQ03L SR204 C513 0 33u 250V C PP C501 10u 63 100V C PP C805 10u 50V C E C512 1u 250V C PP C516 R519 Q520 BF423 HBF423 C536 1u 100V C E NP R536 10 1 10W C309 2200P 50V NPO C C CHIP R516 150...

Page 40: ...250V R903 33K 3W R925 47K 1 4ws R939 JP Q905 2SC2412K KTC3875S GR HMBT1815 2PD601 TR CHIP D920 HZ12B3 MTZ J13C R908 33 1 10W PR901 PTH451A4R5Q21 FOR 200V PTH451A3R0Q11 FOR 100V R901 470K 1 2W R905 1...

Page 41: ...S133 1SS120 R287 22K 1 10W C285 10u 25V C E NP R290 22K 1 10W R242 1K 1 10W SG262 R208 24K 1 10W R253 330K 1 10W 5 6 7 8 9 10 11 CN202 MIT CN201 TSB ISDW02S L ISDW36S L D262 1N4148 1SS133 1SS120 D225...

Page 42: ...0A 30 20 10 REV REF NO PART DESCRIPTION PART NO 0 0 1 13 RATING PLATE TN 706Z027A01 0 0 1 14 RATING PLATE IED 706Z027A02 0 1 0 17 RATING PLATE TN 706Z029A01 0 1 0 18 RATING PLATE IED 706Z029A02 1 0 0...

Page 43: ...33B14 1 1 1 C307 C C CHIP 50V B 1000P K 2125 411Z102B14 1 1 1 C308 C C CHIP 50V B 1000P K 2125 411Z102B14 1 1 1 C309 C C CHIP 50V CH 2200P J 2125 410Z222B14 1 1 1 C310 C C CHIP 25V F R1M Z 2125 411Z10...

Page 44: ...7 1 1 1 C528 C E NP 50V 10M M 462Z100B63 1 1 1 C529 C E 50V 1M M 460Z109B63 1 1 1 C530 C E 100V 10M M 460Z100B83 1 1 1 C531 C MF 100V R47M J 420Z474A23 1 1 1 C532 C C 500V B 1000P K 411Z102B33 1 1 1 C...

Page 45: ...R01M J 420Z103B43 1 1 1 C938 C C 2KV B 220P K 413Z221B43 1 1 1 C939 C C CHIP 25V F R1M Z 2125 411Z104B44 1 1 1 C940 C C CHIP 25V F R1M Z 2125 411Z104B44 1 1 1 C941 C E 16V 100M M 460Z101B33 1 1 1 C942...

Page 46: ...35A25 1 1 1 D910 D SF34 31DF2 742Z035A25 1 1 1 D911 D SF34 31DF2 742Z035A25 1 1 1 D912 D HER103 UF4003 AL01Z D1NL20U 742Z009A31 1 1 1 D913 D SF34 31DF2 742Z035A27 1 1 1 D914 SCR BT169D MCR100 6 745Z00...

Page 47: ...3Z001A40 2 2 2 PR901 EYELET 679D022A20 1 0 0 PR901 PTH AC140V 3R0 PTH451 782Z003A20 0 1 1 PR901 PTH AC270V 4R5 PTH451 782Z006A20 1 1 1 Q301 TR CHIP BT1815 2SC2412 KTC3875 2PD601 740Z151A34 1 1 1 Q302...

Page 48: ...1K J 613Z102C11 1 1 1 R325 R M CHIP 1 10W 100 J 2125 613Z101C24 1 1 1 R328 R MB 1 4W 3R3K F 615Z332B11 1 1 1 R329 R M CHIP 1 10W 100 J 2125 613Z101C24 1 1 1 R330 R FUSE 1 2W 100 J 614Z101A71 1 1 1 R3...

Page 49: ...3Z100C24 1 1 1 R531 R M CHIP 1 10W 2R2K J 2125 613Z222C24 1 1 1 R532 R M CHIP 1 10W 33K J 2125 613Z333C24 1 1 1 R533 R M CHIP 1 10W 1K J 2125 613Z102C24 1 1 1 R534 R M CHIP 1 10W 1K J 2125 613Z102C24...

Page 50: ...R832 R M CHIP 1 10W 4R7K J 2125 613Z472C24 1 1 1 R833 R M CHIP 1 10W 4R7K J 2125 613Z472C24 1 1 1 R834 R M CHIP 1 10W 33 J 2125 613Z330C24 1 1 1 R835 R M CHIP 1 10W 33 J 2125 613Z330C24 1 1 1 R836 R C...

Page 51: ...P 1 10W 2R2K F 2125 613Z222C54 1 0 1 R955 R M CHIP 1 10W 5R6K F 2125 613Z562C54 0 1 0 R955 R M CHIP 1 10W 8R2K F 2125 613Z822C54 1 1 1 R957 R MB 1 2W 4R7M J 615Z475B41 1 1 1 R958 R MB 1W 1K J 612Z102C...

Page 52: ...OIL DEGAUSSING 409Z048A01 2 2 2 37 FERRITE CORE KRCBC13 ZCAT1518 E1314MRC 755Z802E20 1 1 1 38 FERRITE CORE BP53RB FSOB162RN E1620MRT 755Z902E10 1 1 1 40 SCREW STV SEMS W3 6MC S 632Z421B06 1 1 1 41 SCR...

Page 53: ...B RS3 090Z019A02 AW SOLDER ROSIN E 28RH60 B RS3 090Z019A03 AX SOLDER ROSIN SE4 M952K 090Z030A02 AY SOLDER ROSIN H63A H63S BAR63 37 63EN 090Z023A01 AZ SOLDER ROSIN T6204 221CM5 PS130B 090Z030A01 BA FLU...

Page 54: ...25V F R1M Z 2125 411Z104B44 1 1 C261 C C CHIP 25V F R1M Z 2125 411Z104B44 1 1 C262 C E 25V 47M M 470Z470G43 1 1 C263 C C CHIP 25V F R1M Z 2125 411Z104B44 1 1 C264 C E 25V 100M M 470Z101G43 1 1 C265 C...

Page 55: ...Z999B24 1 1 J56 SO COPPER WIRE 990P003A1 1 1 J57 R M CHIP 1 10W ZERO 2125 613Z999B24 1 1 J58 SO COPPER WIRE 990P003A1 1 1 J59 SO COPPER WIRE 990P003A1 1 1 J60 SO COPPER WIRE 990P003A1 1 1 J61 R M CHIP...

Page 56: ...4 1 1 R250 R M CHIP 1 10W 5R6K J 2125 613Z562C24 1 1 R251 R M CHIP 1 10W 100K J 2125 613Z104C24 1 1 R252 R M CHIP 1 10W 100K J 2125 613Z104C24 1 1 R253 R M CHIP 1 10W 330K J 2125 613Z334C24 1 1 R261 R...

Page 57: ...201M 789Z001A71 1 1 SG221 NEON LAMP DSP 201M YP 201M 789Z001A71 1 1 SG241 NEON LAMP DSP 201M YP 201M 789Z001A71 1 1 G2 CONNECTOR A3963WV2 2P 452Z030A10 1 1 P201 CONNECTOR A2501WV2 6P 452Z029E10 1 1 P2...

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