NEC Multisync Plus JC-1501VMA Скачать руководство пользователя страница 52 | Manualshive

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Содержание Multisync Plus JC-1501VMA

Страница 1: ...deo 0 7Vp p Positive or sync 0 43Vp p Negative Video 1 0Vp p Positive TTL Input 8116164 colors Analog Input Unlimited colors Synchronization Horizontal 21 BKH to 45kHz Automatically Vertical 56Hz to 80Hz Automatically Non interlace Resolution Horizontal 960 dots Vertical 720 lines Video Band Width 55MHz on BNC 30MHz on D Sub Maximum Display Horizontal 260mm Active display area is changed Area Vert...

Страница 2: ...Terminal I I E E N i Ell E L I E I 235mm 410mm 5 10 BRIGHTNESS CONTROL CONTRAST CONTROL HORIZONTAL POSITION CONTROL HORIZONTAL SIZE CONTROL VERTICAL POSITION CONTROL VERTICAL SIZE CONTROL POWER SWITCH 1 9 PIN D SUB CONNECTOR FEMALE SEE PAGE 2 FOR PIN ASSIGNMENTS BNC CONNECTOR FEMALE I f INPUT SWITCH TEXT SWITCH TEXT COLOR SWITCH TTL ANALOG SWITCH BNC INPUT VOLTAGE SWITCH COLOR SWITCH MANUAL SWITCH...

Страница 3: ... CONTROL V SYNC 6 INTENSITY SECONDARY GREEN RED GROUND RED GROUND 7 NO CONNECTION SECONDARY BLUE GREEN GROUND GREEN GROUND 8 H SYNC H SYNC BLUE GROUND BLUE GROUND 9 v SYNC V SYNC GROUND GROUND MANUAL SWITCH ON TTL ANALOG PIN 8 COLORS I 16 COLORS 64 COLORS SEPARATE COMPOSITE I SYNC ON No SYNC SYNC GREEN 1 GROUND eRED 2 SECONDARY eGREEN I HNSYNC RED ON GREEN 3 RED PRIMARY eBLUE RED 4 GREEN PRIMARY H...

Страница 4: ...HORIZONTAL V means VERTICAL H V means COMPOSITE SYNC SIGNAL LEVEL All signal leveles except for those listed below are TTL means O 7Vp p VIDEO means O 7Vp p VIDEO O 3Vp p SYNC means O 7Vp p or 1 0Vp p VIDEO i 8 COMPOSITE SYNC RED GREEN BLUE HN SYNC means O 7Vp p VIDEO O 3Vp p SYNCJ or 1 0Vp p VIDEO O 43Vp p SYNC 3 ...

Страница 5: ...1 I P 0 u ___ __ j Sync Polarity Positive Negative COMPOSITE SYNC ____ I I r HORIZONTAL l c I D I E I ld ____ B A _ L __________ J1 viDEO lL _____ VERTICAL a I R I s t I o J Sync Polarity Positive Negative COMPOSITE SYNC VIDEO SYNC ON GREEN HORIZONTAL D 1 A VERTICAL Sync Polarity Negative 4 ...

Страница 6: ...8 1 08 1 02 0 691 R mS 16 11 126 12 716 15 246 16 048 S mS 0 1 2 0 41 0 35 0 022 SEPARATE SEPARATE SEPARATE SEPARATE COMPOSITE SYNC SYNC SYNC SYNC SYNC H SYNC H SYNC H SYNC or REMARKS Positive Negative Negative COMPOSITE V SYNC V SYNC V SYNC SYNC VIDEO Negative Positive Negative Sync on Green IBM PC PC XT PC AT Personal System 2 MCGA VGA EGA and PGC are trademark of International Business Machines...

Страница 7: ... compatible with the IBM Professional Graphic Controller the IBM Enhanced Graphics Adapter the IBM Video Graphics Array the IBM Multi Color Graphics Array and other IBM compatible graphics adapters MultiSync PLUS s wide compatibility makes it possible to upgrade boards or software without purchasing a new monitor MultiSync PLUS has a maximum horizontal resolution of 960 dots and a maxi mum vertica...

Страница 8: ... the MultiSync PLUS all its capabilities Chapters 1 and 2 outline the control and switches of the MultiSync PLUS Page 11 shows you how to connect the MultiSync PLUS with your IBM personal computer and graph ics adapter 1 ADJUSTING THE REAR CONTROLS TTL ALOG SIGNAL INPUT CS TILlANALOG SWITCH BNC INPUT VOLTAGE SWITCH 1 0 i R I 8 16 64 GI SYNCI COLOR SWITCH MANUAL SWITCH B BNC CONNECTOR INPUT ANALOG ...

Страница 9: ...ions accompanying the graphics adapter being used for infor mation on how many colors the adapter can display COLOR MODE COLOR SWITCH 8 colors 8 16 colors 16 64 colors 64 NOTE This switch should be set correctly in relation to the input signal of the graphics adapter being used Refer to instructions accompanying the graphics adapter for information on the input signal and refer to No below 8 TTL A...

Страница 10: ...ER SWITCH CONTRAST CONTROL BRIGHTNESS CONTROL POWER SWITCH POWER INDICATOR INPUT SWITCH TEXT SWITCH TEXT COLOR SWITCH Used to turn power ON or OFF When the power is ON the power indicator is lit o BRIGHT CONTROL Used to adjust the picture brightness of the screen CONTRAST CONTROL Adjusts the display to the contrast preferred by the user 9 ...

Страница 11: ... horizontal position of the display Turn the knob clockwise to reposition display to the right turn it counterclockwise to reposition to the left 48 TEXT SWITCH This switch controls the text mode of the MultiSync PLUS When it is ON the text will appear in the color displayed by the TEXT COLOR SWITCH See No 4t below regardless of the colors of the software program being used When it is OFF the colo...

Страница 12: ...D Sub Select BNC Check input signal level 1 0Vp p Select D sub Check videQ signal level ANALOG Video TTL Video O 7Vp p Corinect the power cord to the MultiSync PLUS and signal cable between the MultiSync PLUS and your computer or graphics adapter Turn on ttie MultiSync PLUS POWER SWITCH Turn on the power to computer 11 See APPENDIX A See APPENDIX A See rear controls 8 COLOR SWITCH See front contro...

Страница 13: ... sub 3 Make sure the nUANALOG switch and the MANUAL switch on the rear are at appropriate position EGA or TTL ANALOG BNC INPUT VOLTAGE COLOR MANUAL EGA compatible IIIIIIII 1 0 0 7 OFF ON TTL INPUT JI 8 16 64 PGC or TTL ANALOG BNC INPUT VOLTAGE COLOR MANUAL PGC compatible IlJIIII 1 0 0 7 OFF ON ANALOG INPUT JI 8 16 64 4 Connect the power cord and the signal cable to the MultiSync PLUS I Use the sig...

Страница 14: ...ront of the MultiSync PLUS is at O Sub 3 Make sure the TTUANALOG switch and MANUAL switch on the rear are at appropriate position MCGA or VGA or compatible ANALOG INPUT TTL ANALOG IIIlIIll BNC INPUT VOLTAGE COLOR MANUAL 1 000 7 _ OFFDON I 0 8 16 64 4 Connect the power cord and the singnal cable to the MultiSync PLUS Use the SIGNAL CABLE with 9 pin O sub to 15 pin Mini O sub MultiSync PWS Power cor...

Страница 15: ...apter 1 0 1V peak to peak 0 7 0 7V peak to peak 4 Connect the power cord and the signal cable to the MultiSync PLUS Use the optional signal cable or the signal cable supplied your adapter MultiSync PLUS Power Cord computer High Resolution Graphics Adapter Signal Cable 5 The red BNC cable should be connected to the BNC connector R The green BNC cable should be connected to the BNC connetor G SYNC T...

Страница 16: ...BACK COVER REMOVAL Remove two back cover mounting screws A and B then take off back cover A CASE SHIELDING TOP REMOVAL B Remove two case shielding TOP mounting screws C and 0 then take off case shielding TOP C 0 15 ...

Страница 17: ...PART LOCATIONS BOARD LAYOUT B5 BOARDS B1 SW REG PWB ASSY PWE 168 B2 VIDEO PWB ASSY PWE 179 B3 DEF PWB ASSY PWE 173 B4 CRT PWB ASSY PWE l77 B5 INTERFACE PWB ASSY PWE 176 16 ...

Страница 18: ...T B GAIN VR703 F V BIAS VR402 U R GAIN VR70l G V LIN S VR404 V SCREEN H V LIN C VR403 w FOCUS I CI VOLTAGE L1MITE R VR653 X SUB H CENTER 2 27 35KHz VR504 J 6V ADJ VR509 y SUB H CENTER 3 20 27KHz VR505 K SUB BIAS VR907 Z SUB H CENTER 1 42KHz VR503 L R SUB BRIGHT VR904 AA H HOLD 2 27KHz VR502 M G SUB BRIGHT VR905 BB H HOLD 1 42KHz VR50l N B SUB BRIGHT VR906 CC H SIZE CONTROL VR510 0 R BIAS VR901 17 ...

Страница 19: ...NT CONTROLS LAYOUT rn VR651 a5V ADJ PWE 168 SW REG PWB ASSV VR652 REF V VR653 J V Limiter Q II em lIJ I I Q I s a o 1 _ J sa04 sa03 Sa02 TIL ANALOG O 7V 1 0V 8 16 64 PRESET MANUAL PWE 176 INTERFACE PWB ASSV 18 ...

Страница 20: ... TP402 TP401 O VR404 m Q V LlN S oVR403 V LlN C DCT1 CT2 CT3 VR510 H SIZE L509 WIDTH COIL TP2002C TP2003A S2 BUC D SUB I I rnl I o 0 VR509 VR508 VR2002 TP2002A 6V ADJ H V ADJ H V PROTECTOR20 oO OOVR2001 TP50 2 H V PROTECTOR1 PWE 173A DEF PWB ASSY 19 Q VR1 BRIGHT Q VR2 CaNT PWE 1738 CONTROL PW8 ASSY VR502 D VR501 H HOLD20 H HOLOl TP501 OVR503 00 E REl TP502 0 OVR504 VR505 SUB SUB H CENTRE2 H CENTRE...

Страница 21: ... BT O VR905 G SUB BT O VR906 B SUB BT O VR901 R BIAS O VR902 G BIAS VR903 OB OS TP901 TP902 o PWE 177A CRT PWB ASSY DVR907 SUB BIAS PWE 179 VIDEO PWB ASSY 20 VR701 D R GAIN VR702D G GAIN VR703D B GAIN VR704 0 SUB CONT ...

Страница 22: ...specified input at D sub 9 Pin Unless otherwise specified adjust at separate sync 1 sw REG UNIT 1 1 Bl VR651 S5V LINE K1 Gnd Voltage Adjust VR651 to be S5 VDC 1 2 BH VR652 High Voltage control This control is permanently sealed at factory Do not attempt to readjust 1 3 BL1M VR653 V limit C1 Gnd Voltage Remove C connector Adjust VR653 to be 122 VDC Note Do not operate the SW Reg unit itself without...

Страница 23: ...of Signal 3 27 kHz use H HOLD 2 VR502 to adjust the image into a single screen 2 H WIDTH Perform centering of H SIZE VR4 then use SUB H SIZE VR510 to adjust H WIDTH to 260mm 3 H LINEARITY Signal 1 crosshatch pattern Visually check H LINEARITY the use L506 to adjust it if necessary Avoid rotating L506 unless absolutely necessary 4 SIDE PINCUSHION Use VR470 so that the optimum SIDE PINCUSHION is obt...

Страница 24: ...y to the left until top elongation is elimi nated then perform B and C For center elongation Rotate V R404 slightly to the left until center elongation is corrected then perform b and c of B E Confirmation Based on the reception of Signals 1 and 7 check that the linearity is within 8 2 V SIZE Set the MANUAL switch SW802 to ON and perform centering of VR3 V SIZE a Receive Signal 1 60 Hz then use VR...

Страница 25: ...stment confirm the Vp p value of each terminal and perform readjustment if necessary Do not include the clamp pulse Vp p 2 2 SUB CaNT VR Adjustment a Rotate the Contrast VR fully to the left Rotate the Brightness VR fully to the left b Adjust VR704 so that G OUT on the VIDEO PWB becomes 10 Vp p After adjust ment confirm that both R OUT and B OUT are within the range of 10 Vp p t 0 5 Vp p If the R ...

Страница 26: ...alance is satisfactory at each gradation If the white balance is not satisfactory perform fine adjustment of the SUB BRIGHT VRs VR904 and VR906 NOTE Do not change the setting of VR905 GSUB BRIGHT c Rotate the Contrast VR fully to the right Rotate the Brightness VR to the position where no back rasters appear Check that the white balance is satisfactory at each gradation If the white balance is not...

Страница 27: ...y opening the angle between the tabs I B i R r i y Perform the adjustment by synchronous rotation of the two tabs B RG I Perform the adjustment by opening the angle between the tabs B R I i I L G I Perform the adjustment by synchronous I rotation of the two tabs Red to Blue Convergence Magenta Green to Magenta Convergence White 8 Convergence Adjustment 1 Produce a magenta crosshatch on the display...

Страница 28: ...IGNALS 0 MHz 3 1 KHz 4 2 Hz 5 3 DOT 4 CHR 5 CHR 6 CHR 7 V LASTER H CHR 8 H LASTER 9 LINE 10 LINE 11 LINE 12 H LASTER 13 Sync Hsync Sync TTL RZ N GA OFF Sync F POS HlVsync ON ANA NRZ DATA DATA Signal 1 44 5 kHz Signal 2 42 kHz 9 2 6 0 F 3 4 4 4 0 F 4 8 6 9 F 4 2 0 0 0 F 9 3 5 0 F 8 O 0 0 0 F H 7 V 9 H 0 V 9 0 0 1 0 F 1 2 5 F 8 2 F 9 6 F 6 4 F 1 0 1 F 7 3 V 4 H 6 V 2 H 3 0 0 0 0 0 0 0 3 F 8 4 F 5 8 ...

Страница 29: ...IGNALS 0 MHz 2 1 KHz 2 2 Hz 7 3 DOT 4 CHR 5 CHR 6 CHR 7 V LASTER H CHR 8 H LASTER 9 LINE 10 LINE 11 LINE 12 H LASTER 13 Sync Hsync Sync TTL RZ NEGA OFF F POS HIVsync Sync ANA NRZ ON DATA DATA Signal 3 27 kHz Signal 4 ps n MODE2 2 1 4 0 F 2 8 6 1 0 F 7 0 0 0 F 3 1 4 7 4 F 5 0 0 0 F 7 O 0 9 5 F I H 0 V 9 H 9 V 0 1 0 0 1 F 8 2 F 1 0 1 F 6 4 F 8 0 F 6 7 F 8 3 V 5 H 1 V 2 H 2 0 1 0 1 0 0 0 9 F 4 0 F 4 ...

Страница 30: ...0 MHz 1 KHz 2 Hz 3 DOT 4 CHR 5 CHR 6 CHR 7 V LASTER H CHR 8 H LASTER 9 LINE 10 LINE 11 LINE 12 H LASTER 13 0 Sync Hsync Sync TTL RZ NEGA OFF Sync 1 POS HNsync ON ANA NRZ DATA DATA Signal 5 EGA Signal 6 PS ll MODE 17 1 6 3 7 0 F 2 5 4 3 0 F 2 2 0 0 3 F 3 1 4 7 3 F 5 9 9 5 3 F 5 9 9 4 8 F H 8 V 0 H 8 V 0 0 1 0 1 F 0 9 3 F 1 0 1 F 0 8 0 F 8 0 F 0 8 0 F 8 3 V 3 H 0 V 2 H 2 1 1 0 1 0 6 0 5 F 0 3 6 F 5 ...

Страница 31: ...Hz 2 1 KHz 3 2 Hz 7 3 DOT 4 CHR 5 CHR 6 CHR 7 V LASTER H CHR 8 H LASTER 9 LINE 10 LINE 11 LINE 12 H LASTER 13 Sync Hsync Sync TTL RZ NEGA OFF Sync F POS HNsync ON ANA NRZ DATA DATA Signal 7 PS JI Signal 8 PGA400 MODE 15 5 4 3 0 F 2 5 1 1 0 F 1 4 7 3 F 3 O 4 7 3 F O 0 9 5 F 5 9 9 8 7 F H 8 V 0 H 8 V 0 0 1 0 1 F 1 0 1 F 1 0 3 F 8 0 F 0 8 0 F 8 3 F 0 8 0 V 2 H 2 V 2 H 4 0 1 0 1 0 9 0 8 F 4 4 F 0 5 0 ...

Страница 32: ...REQUENCY 3 CH CHARACTOR 3 DOT H 8 V 0 H 7 V 9 CELL SIZE 0 1 0 0 4 Nht 4 4 CHR F 1 0 1 F 1 2 5 5 Nht 5 5 CHR F 8 0 F 3 2 6 Nhsp 6 6 CHR F 8 3 F 6 9 7 Vpw Hpw 7 7 V LASTER V 2 H 2 V 4 H 6 H CHR 0 1 0 0 8 Nadj 8 8 H 0 9 0 0 LASTER 9 Nvt 9 9 LINE F 6 2 F 8 4 10 Nvd 10 10 LINE F 3 6 F 2 7 11 Nvsp 11 11 LINE F 4 8 F 5 3 12 Nvsadj 12 12 H 0 3 0 4 LASTER 13 INT 13 13 0 0 0 0 0 Sync Hsync Sync TTL RZ NEGA ...

Страница 33: ... CH CHARACTOR 3 DOT H 8 V a H 8 V a CELL SIZE a 1 a 1 4 Nht 4 4 CHR 1 F 1 a 3 F 9 3 5 Nht 5 5 CHR F a 8 a F 8 a 6 Nhsp 6 6 CHR F a 8 a F 8 a 7 Vpw Hpw 7 7 v LASTER v 2 H 4 V 1 H a H CHR a 1 1 1 8 Nadj 8 8 H a 8 a 6 LASTER 9 Nvt 9 9 LINE F a 5 a F 3 6 10 Nvd 10 10 LINE F a 4 8 F 3 5 11 Nvsp 11 11 LINE F a 4 8 F 3 5 12 Nvsadj 12 12 H a 1 a 3 LASTER 13 INT 13 13 a a a a a Sync Hsync Sync TTL RZ NEGA ...

Страница 34: ...orizontal Nht or less 3 digit 6 Horizontal synchronization position Nht or less 3 digit 7 Vertical horizontal pulse width V 1 to 16 H H 1 to 15 chr 8 Total raster adjustment 31 Hor less 9 Total number of characters vertical 127 rows or less 3 digit 10 Number of indication characters vertical Nvt or less 11 Vertical synchronization position Nvt or less 12 Vertical indication position correction 0 1...

Страница 35: ...nes H 22 00 kHz H 31 47 kHz V 60 Hz 480 Lines H 31 47 kHz V 70 Hz 350 Lines Lines Character Total Lines 8 H 30 48 kHz 400 Lines Displayed Rows Lines Drive Delay Rows Drive Width Lines Step Width OP 1 0 off 1 on OP 2 0 off 1 on OP3 O off 1 on OP 4 0 off 1 on 9 10 OP 5 0 non inverted 1 inverted OP 6 0 non inverted 1 inverted OP 7 0 non inverted 1 inverted OP 8 0 non inverted 1 inverted OP 13 0 non i...

Страница 36: ...racter 15 9 9 10 10 Total Lines 756 525 360 449 366 Displayed Rows 48 55 32 40 35 Drive Delay Rows 48 55 37 41 35 Drive Width Lines 4 2 8 2 13 Step Width Signal Gating Composite Sync OP 1 1 1 1 1 1 Vertical Step OP 2 a a a 0 a Horizontal Drive OP 3 1 1 1 1 1 Vertical Drive OP 4 1 1 1 1 1 Signal Polarity Composite Sync OP 5 1 1 1 1 1 Vertical Step OP 6 Horizontal Drive OP 7 1 1 1 1 a Vertical Drive...

Страница 37: ... 10 9 Total Lines 525 449 508 629 756 Displayed Rows 48 35 40 36 27 Drive Delay Rows 49 39 44 48 53 Drive Width Lines 2 2 2 2 4 Step Width Signal Gating Composite Sync OP 1 1 1 1 1 1 Vertical Step OP 2 0 0 0 0 0 Horizontal Drive OP 3 1 1 1 1 1 Vertical Drive OP 4 1 1 1 1 1 Signal Polarity Composite Sync OP 5 1 1 1 1 1 Vertical Step OP 6 Horizontal Drive OP 7 1 0 0 0 1 Vertical Drive OP 8 1 1 0 1 1...

Страница 38: ...em E Check 12V Line Measure the voltage by HCl on the CRT PWB PWE l77A NG IC503 R579 Failure OK Check ifthe CRT Heater lit NG Check 6V Line Measure the voltage by HC2 on the CRT PWB PWE l77A OK NG IC504 R573 Failure OK HC connector disconnected Check Screen Measure the voltage by Y Normally Screen Voltage is about Voltage on the CRT PWB PWE l77A through 300V to 900V NG T504 R940 C914 Failure OK Ch...

Страница 39: ...ster appear NG OK IC701 and ambient circuit Failure 130V Line Failure Measure the pulse by sa on the INTERFACE PWB PWE 176 Vertical or Horizontal bar appear NG CD Horizontal bar H OSC DEF HV circiut See item E Vertical bar See item G 38 Check blanking circuit See item D CRT Failure ...

Страница 40: ... OK CConttnue Normally the voltage is around 11 2V at the max CD TR904 TR905 TR906 TR907 and T908 Failure HC1 connecter disconnected IC503 R579 Failure Measure the vblt ge Check 85V Line by X1 on DEF PWB _ __ PWE 173A OK Check IC701 output voltage OK Video output circuit Failure Switching Regulator NG unit Failure See item 0 D520 Failure Measure A G B output 1 Vp p by 29 PIN R 25 PIN G and 21 PIN ...

Страница 41: ... Continue Check the clamp Measure the pulse Vp p by N4 pulse on the INTERFACE PWB PWE 176 IC808 TR859 and NG ambient circuit OK Failure TR716 Failure CRT Failure 40 ...

Страница 42: ...voltage NG OK TR901 TR903 TR905 TR907 and ambient circuit Failure Measure the video signal 1 output Vp p by R1 G1 B1 on the VIDEO PWB PWE 179 Normally 40Vp p except at ABL working 41 TTL IC802 TR814 TR822 TR804 TR806 and their ambient circuit Failure IC701 and ambient circuit Failure TR701 TR715 0701 0706 and ambient circuit Failure ANALOG TR801 TR803 Failure BNC INPUT TR804 TR806 Failure O Sub IN...

Страница 43: ...e INTERFACE PWB PWE 176 NG OK H V H V IR529 Failure I CD 0449 Failure CD TR490 TR493 TR443 TR445 Failure and ambient IC802 Failure circuit Failure 0888 Failure 1C442 IC443 TR721 TR722 TR446 TR448 TR713 TR715 and ambient and ambient circuit circuit Failure Failure TR490 Failure 42 ...

Страница 44: ...PWE 173A Check SW REG UNIT See item 0 HV Feed Back circuit Failure Free Running or No Pulse HB1 HB2 disconnected TR517 TR5l8 D523 Failure HV Protector circuit Failure D508 D509 R548 R550 D2001 D2002 ZD200l ZD2002 TR2001 TR2002 Failure H output circuit Failure D501 D503 D504 F501 R529 lD502 IC502 TR504 TR507 TR508 TR509 Failure No Blanking works See item D H Drive circuit Failure R520 TR501 TR503 F...

Страница 45: ...e 0501 0503 0504 F501 R529 Z0502 IC502 TR504 TR507 TR508 TR509 Failure H F V converter circuit Failure See item F Check SW REG UNIT See item 0 HV output circuit Failure TR513 0514 T504 FBT Failure HV Drive circuit Failure TR510 TR511 TR512 R542 Failure 44 ...

Страница 46: ... Check 2 pin of IC505 voltage Normally the 2 pin is approx 24V NG R593 Failure OK Check the IC505 Measure on the DEF PWB output PWE 173A fH IC505 20K 27K 35K 42K 50K I I I I I I 10 I I _ 11 I I 12 14 I I 15 16 I _ NG IC505 Failure OK Check 17 18 pin of When 17 pin 7 7V at 27K IC505 voltage 18 pin 7 9V at 42K NG rC505 Failure OK H F V is OK 45 Hz High Low High Low High Low High Low High Low High Lo...

Страница 47: ...ck sync circuit on the INTERFACE PWB OK PWE 176 Check 2 pi n of 1C401 voltage Normany the 2 pin is approx 24V NG R423 Failure OK Check the Measure on the DEF PWB 1C401 output PWE 173A fV Hz IC401 50 56 67 75 80 I I I J I I 1 High Low I I 3 High Low I 4 High Low I 5 High Low NG IC401 Failure OK Check 8 pin of 1C401 NG IC401 Failure OK V F V is OK 46 ...

Страница 48: ...TR856 TR858 TR860 OK Failure Check H F V converter See item F IC501 IC551 Failure Vertical Check V sync Measure by S3 on the INTERFACE PWB PWE 176 NG OK Check V MODE Pulse DC Check LINE MODE Pulse DC IC401 Failure 47 1C401 IC501 IC806 IC808 TR861 TR862 Failure IC808 TR862 TR865 Failure C870 IC809 Failure ...

Страница 49: ...s on the DEF PWB by VR510 PWE 173A NG OG Check H FIV converter and Associated circuit See item F I S correction circuit See item J Deflection Yoke T504 FBT HV Feedback circuit HV NOT CORRECT Failure SW REG UNIT Failure See item 0 48 TR508 and Associated circuit Failure ...

Страница 50: ...ne Low OK Measure by 20 pin of IC501 on the DEF PWB PWE 173A V SIZE Limitter Circuit V SIZE Correction Circuit V DEF Circuit Readjust 49 IC501 ZD401 R401 C401 Failure IC442 IC443 Failure TR440 TR441 TR449 IC440 IC441 LINE MODE Circuit V MODE Circuit Failure IC501 1C401 IC402 DY C410 Failure V HEIGHT VR440 VR441 V R3 See AI ignment procedure ...

Страница 51: ...dltlon Too small V HEIGHT at 4 of the PGA Vibrating V HEIGHT 00 LINE MODEl IC8D8 IC441 TR863 TR865 Failure LINE MODE Failure condition Too small or too big V HE Vibrating V HEIGHT IGHT TR875 TR877 C87D IC8D9 Failure 50 ...

Страница 52: ...See Alignment procedure NG b PICTURE CENTERING Readjust sub H Centering NG See Alignment procedure VR503 VR505 on the OEF PWB PWE 173A Check H FlY converter and associated circuit NG IC504 TR522 Z0504 0513 0517 0518 C537 R573 R577 R592 Failure H F V converter and associated circuit OK Failure IC501 IC552 Failure 51 See item F ...

Страница 53: ... 0491 0492 U connector Failure J Side pincushion distortion correction Failure Readjust VR470 AdjUst by VR470 on the OEF PWB PWE 173A NG All V frequency Yes TR470 TR475 Z0470 R484 R485 0470 0471 No Failure 1C470 Failure K Poor focus Readjust Focus NG T504 FBT Failure 52 ...

Страница 54: ...nd produce VIDEO on CRT Connect Degaussing Coil Connector manually and Confirm Degaussing Effect then Effect But not enough Nb Effect Make sure that the monitor is distant from any strong magnetic field OK No magnetic field interference 53 TH601 Degaussing coil Degaussing coil connector Failure Readjust Purity magnet CRT DY Purity magnet Failure ...

Страница 55: ...ACE PWB PWE 176 IC801 IC803 IC805 TR811 TR824 TR831 Failure N Abnormal Color at TTL MODE Check INTERFACE PWB PWE 176 Does not operate 16 64 colors automatically at EGA mode CONTRAST control Does not work Others 54 IC806 TR862 Failure TR813 TR816 TR820 TR822 Failure Manual switch S802 8 16 64 COLOR Switch S803 IC802 TR817 TR823 TR819 Failure ...

Страница 56: ...Figure 1 Next turn the power on and check that 85V appears at Kl Yes Al A2 No Check that F601 is off I Yes C601 C602 D601 C605 C628 IC601 IC602 R624 R632 D606 No TR602 C615 Failure Check that R601 is off J Yes Failure I CR601 ZD603 No Check that R604 is off I Yes PC601 ZD601 D653 D654 ZD651 C610 C611 TR601 TR651 No Failure Turn the power switch on and check that about 5V appears at both ends of R6...

Страница 57: ...xt turn the power ON and Check that about 120V appears at C1 Yes I Failure or A3 I I C660 D663 TR652 No Turn the power switch ON and Check that about 7V appears at both ends of R620 Yes C657 C658 C662 AD602 TR602 CR603 D658 D659 AD652 IC602 No Failure PC602 CR603 rC602 TR602 ZD602 D606 D604 R624 R632 R623 C615 C616 C617 Failure 56 ...

Страница 58: ...Hz 22 EGA 31 VGA 45 GB II With no input signal about 45V should appears at C1 Fig 1 Rated load current at K1 and K2 terminal K1 85V K2 R1 R2 K3 24V K4 C1 voltage V 50V 3V 70V 4V 114V 5V O 03A O 2A R1 2 83kn 425n O 8A 1 5A R2 30n 16n Attention Do not power on SW REG unit itself without the load at K1 K2 or it may misoperate protector 57 ...

Страница 59: ... TR523 TR526 TR525 TR527 TR519 TR520 TR524 Failure IC505 TR523 TR526 TR525 TR527 TR519 TR520 TR524 Failure IC505 TR525 TR527 TR519 TR520 TR524 Failure IC505 TR519 TR520 TR524 Failure IC505 TR519 TR520 TR524 TR525 TR527 TR536 RL502 Failure IC505 TR536 RL502 TR519 TR520 TR524 TR525 TR527 D515 Failure IC505 TR523 TR526 TR525 TR527 TR519 TR520 TR524 Failure 42K 45K I fH HZ I I 1 IC401 IC403 Failure 58...

Страница 60: ...012 TR 2SC1941 L 3 lC5C4 37056219 IC STR2005 1 lC5C3 37056220 IC STR2012 1 T R491 35055312 TR 2SC2001 L 1 TR508 35063412 TR 2S0401A L 1 TR475 35065416 TR 2SD882 P 1 lC8e2 37056233 IC FCD 016M I 1 1 nC1 37056245 Ie 51387P 1 Ie5Ci 37056295 IC LA7851 1 TR522 35065417 TR 2S0882 Q 1 TR C9 35065912 TR 2SD471 L 1 IC6C1 IC602 37056352 Ie STK7408HE 2 IC505 37056405 Ie 56405 1 TR7C1 TR702 TR703 35083400 TR ...

Страница 61: ...E RD5 1JSB 1 T4 1 3601 3635 DI DE RD5 1ESB 2 T4 1 SYMBOL IPARTS NO I DESCRIPTION DIODES ZD5C4 3601 3647 DIODE R06 8ESB 2 T4 1 Z08C3 3601 3660 DIODE RD9 1ESB 3 T4 1 0888 36001027 DIODE 1SS132 1 04C1 D5C2 D503 361K7160 RECTIFIER SI TVR 06G G23 11 D508 D5C9 D510 D513 0516 D517 D51e 0523 D514 3611 7259 CGJ 1 1 D5C5 D511 0512 361K7 05 RECTIFIER SI ERB44 Q6V1 3 0602 D6C4 36107114 RECTIFIER SI RU1P 2 D60...

Страница 62: ... C2 LC903 RELAYS g SWITCHES SW4 65161021 SWITCH SLIDE 1 SW8C2 SW804 65161022 SWITCH SLIDE 2 hSW8C3 t5161C23 SWITCH SLlDE 1 SW8C1 65161C24 SWITCH SLlDE 1 SW2 SW3 65163002 SWITCH SLIDE 2 pwe ASSYS 84J99AC1 SW REG FWB ASSY 1 84J99C01 VIDEO PWB ASSY 1 84J99D01 DEF pwe ASSY 1 84J99J01 CRT pwe ASSY 1 SW1 65360006 SWITCH PUSH BUTTON 1 RL5C1 65602551 RELAY 1 RL5C2 65660004 RELAY 1 84J99K01 INTERFACE PWB A...

Страница 63: ... R416 RI 19 R519 401K5675 R CARBOh 1 2K 5 1 6101 c 25407261 LID COfiiTROl 1 25515492 REAR PANEL R541 1 R566 R741 KNoes PUSH BUTTO S R742 R743 11903 R477 R4 c z R51 0 L 11 56 1 II CARBO 5 6K 5 1 6W 25 1 R567 R591 R737 R745 R810 11811 25451871 PUSH BunOh 1 25451881 KNOB CONTROl 2 R812 R813 RE14 R815 R835 R836 R83 1181 0 R81 3 PR lNTED PACKING I ATERIAlS R844 R871 R872 R8BS RB93 R895 24806961 BAE POL...

Страница 64: ...ETAl 33H 5 1 411 2 6R 593 408010 1 R FUSE 1COH 5 1 41 1 R579 40178111 R CARBON 4 7H 5 1 2W 1 6 R546 40216026 R WIRE 68H 5 5 1 6 R601 40299105 R WIRE 6 8H 5 510 1 CAPACITORS 6 R534 402991C8 R IRE 240H 5 7 1 R728 R729 RBO 40318273 R METAl 1 0K 5 7W 3 6R573 40371115 R ETAl 3 9H 5 111 1 C909 C910 C911 420C9563 C CERA IC 5DDV 0 001UF 3 C52C 420C9565 C CERA IC 5COV 1500PF 1 R545 40371119 R METAl 5 6H 5 ...

Страница 65: ... PF 1 C51C 427F4C02 C FILM SOY 1200PF C503 427F4C06 C FILM SCY 2700PF 1 C402 C416 427F4C15 C FILM 50V 0 015UF 2 726 1 C20C2 43086C26 ELE 16V 22UF 1 C517 43086 65 ELEC CV 1CUF 1 C525 43086G6e ElE 5tv 47Uf 1 C4C4 C418 427F4C2S C FILM SOV o 1U F 2 C562 430K512C ELEC HOV 10UF 1 916 4301 5126 C HEe 2 GV 1U f 1 C8 427F4C51 C FILM 50V 1000PF 1 859 427F4C54 C FILM 50V 1800PF 1 C860 427F4 S5 C FILI 50V 220...

Страница 66: ... C62C 4302E107 C HEC 5011 22UF 1 e653 4302E17C C HEC 1COII 1COUF 1 C629 4302J032 C ELEC 1611 470Uf 1 C652 430230 4 C ELEe 3511 100 OU F 1 C523 43041C01 C ELEC Hall 47UF l C605 C628 43108311 C ELEe 2COII 470UF 2 C73t 433A3C5 C HEC 5011 2 2Uf 1 ...

Страница 67: ...SAVE THIS SCHEMATIC DIAGRAM FOR LATER SERVICE RUN NO 1 I I I I 1 1 7 1 30 5 44 5 l1 S l 0 00II JlIiS2S 0 111 OV IIKI I THIS SCHEMATIC DIAGRAM IS FUNDAMENTAL AND SUBJECT TO CHANGE PRINTED IN JAPAN ...

Страница 68: ...NOICA TED 1 4 t U CAl M JTClII5 4IIE SOVI1U EJlt a T 01llEllIIUE INJIc TED 5 YOLTAGES loKI WAV f C l1 AIlE t IoSl lllED TIE ItfYEJlTEO H r HAIIACTet S TI c oow sT eorTlIOl 1 1 ME 1QII 1 lI tomIOL IS N I AU emu cnmn s J RF I lY lPI to Q T S Nt LJ II TIE SON N I IKO ElICD T IfO HdC4Tttl YDD TIL L YEL I OiSIlM hw _ _ r u lIEF PIo8 5O AAATt fIK TT L UYD NE6111M 4lfll IIH II DB 11 POSmYE o CCC f _ L 01...

Страница 69: ... ts PWE 173C PWB L UN KUL ui i 0 1 5 CI r i_ tY D A A h r 1 I 01 0 y y T p 5 J LJ THIS SCHEMATIC DIAGRAM IS FUNDAMENTAL AND SUBJECT TO CHANGE PWE 176 INTERFACE PWB I I I I I I I I l li fP _ m j m I IC809 SAVE THIS SCHEMATIC DIAGRAM FOR LATER SERV ICE BNC PUT VOLTAGE SoN rn L T 1fT L IUVp PRINTED IN JAPAN ...

Страница 70: ...l N 7 TB I I iOiO I I e ill f C629 J617 J618 J619 pe601 1 3 2 I R652 e ill R605 G mnz ire C666 ti C665 R606 R604 0653 0IP TR651Ey a N 0607 0661 0 6 T601 7 J I J BT J E I 1 23456 R667 G 789 1011t2 SW_ REG PWB ASSY PWE 168 Solder Side I o 1 L6S2 M C DEF PWB ASSY PWB 173A Solder Side CONTROL PWB ASSY PWE 173B Solder Side CONTROL PWB ASSY PWE 173C Solder Side V SIZE PWB ASSY PWE 173D Solder Side VIDEO...

Страница 71: ...de components G SG904 rn I I I I 1 m _ EEl CEj CRT PWB ASSY PWE l77A Solder Side 2SA733 2SA952 2SA1018 2SC945 2SC1473 2SC2001 AA1A4M AN1A4M 2SC381 1 2SC2408 2SK430 B C E 2SA1538 2SC3953 2S0882 2SC1941 2SD471 2SC3685 2SC3688 B 2SB546 2SD401 DTC123YS 2SK754 NOTE E EMITTER B BASE E C CO LLECTOR G GATE D DRAIN S SOURCE ...

Страница 72: ...SER No 2080 6 3K8803 Printed in Japan ...

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