NEC PlasmaSync PX-42VM1G Service Manual Download Page 71

Page: 71 / 172

4-8

TROUBLESHOOTING

Troubleshooting for the HD/PC System

1. No presentation of HD/DVD/DTV pictures

YES

The RGB signal is present at

The H/V sync signal is present

Fault in the MAIN PWB

Pins 1, 3, and 5 of the POMN

at Pins 7, 8, 9, and 10 of the

connector.

POMN connector.

YES

The Y signal is present at Pin 3

Fault in IC5803/IC5804

of IC5803.

Fault in peripheral circuits
of IC5808 to IC5810

YES

The RGB signal is present at

Fault in peripheral circuits of IC5620/Q5619 to Q5621

TP5610 to TP5612.

YES

The RGB signal is present at

Fault in peripheral circuits of IC5609 to IC5611/Q5601 to Q5603

TP5601 to TP5603.

The clamp pulse is present at

Fault in the section between Pin 2 of IC5602 and Pin 7 of the POHD

Pin 2 of IC5602.

connector, and further in the MAIN PWB.

YES

Signal Y is present at Pin 23 of

IC5602 defective

IC5602, and Signal Pr/Pb at Pins
26 and 27.

IC1002 to IC1004 defective

▼

Summary of Contents for PlasmaSync PX-42VM1G

Page 1: ...ON Before servicing this chassis it is important that the service technician read and follow the Safety Precautions and Product Safety Notice in this Service Manual WARNING SHOCK HAZARD Use an isolati...

Page 2: ...MANUAL 3 1 TROUBLE SHOOTING 4 1 METHOD OF ADJUSTMENTS 5 1 CIRCUIT DESCRIPTION 6 1 METHOD OF DISASSEMBLY 7 1 DISASSEMBLY 8 1 PACKAGING 9 1 REPLACEMENT PARTS LIST 10 1 CONNECTION DIAGRAMS 11 1 BLOCK DIA...

Page 3: ...lly in order to avoid any problems ATTENTION RISQUE D ELECTROCUTION NE PAS OUVRIR ATTENTION POUR EVITER LES RISQUES D ELECTROCUTION NE PAS ENLEVER LE CONVERCLE ARR RE AUCUN DES ELEMENTS INTERNES NE DO...

Page 4: ...UREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE INSTRUMENT TO THE CUSTOMER AC Leakage Test 2 Read and comply with all cau...

Page 5: ...itionally determine the cause of overheating and or damage and if necessary take corrective action to remove any potential safety hazard 7 PRODUCT SAFETY NOTICE Many MultiSync Monitor electrical and m...

Page 6: ...ren m tallique t te des vis surfaces m talliques traits de contr le etc surtout toutes les pi ces m talliques expos es qui peuvent reconduire le courant au ch ssis En aucun cas la mesure du courant ne...

Page 7: ...tion tous les endroits la recher che des cordes pinc es d plac es ou effiloch es Ne pas changer l cartement entre composants et entre composants et le tableau de circuit imprim V rifier que le fil de...

Page 8: ...not seem to have been broken Therefore support the frame by hand in order not to drop it 2 The least minimum caut ions for product disas sembly Secure a working space arranged as wide as pos sible Pri...

Page 9: ...duct is defined as a section that is pro vided with a digital circuit board including high voltage parts used to emit light in the glass panel part excluding the surface acrylic fiIter or the tem pere...

Page 10: ...NEC Technologies PlasmaSync Plasma Monitor User s Manual...

Page 11: ...the warranty will be void Moreover there is a serious risk of electric shock 7 Do not attempt to service or repair the unit NEC is not liable for any bodily harm or damage caused if unquali fied perso...

Page 12: ...ase adhere to the following guidelines and recommendations for minimizing the occurrence of image burn Always enable and use your computer s screen saver function during use with a computer input sour...

Page 13: ...modifier le cordon d alimentation 5 D brancher l appareil pendant les temp tes ou si l appareil n est pas utilis pendant une longue p riode 6 Ne pas ouvrir le coffret Des composants de haute ten sion...

Page 14: ...ez suivre les directives et les recommandations suivantes pour minimiser l occurence de br lure d image Assurez vous de mettre en marche et d utliser l conomisateur d cran chaque fois que c est possib...

Page 15: ...ud ing adjustment of user controls These costs are the re sponsibility of the NECTECH dealer from whom the product was purchased 3 Payment of shipping charges HOW YOU CAN GET WARRANTY SERVICE 1 To obt...

Page 16: ...hing computer images with a wide screen 15 OSM Controls 16 Menu Operations 16 Picture Settings Menu 18 Adjusting the picture 18 Setting the picture mode according to the brightness of the room 19 Sett...

Page 17: ...A As it is laid down with the screen face down See Draw ing B Lay the protective sheet which was wrapped around the monitor when it was packaged beneath the screen surface so as not to scratch the sc...

Page 18: ...signal compatibility PCs VCRs Laser Disc and DVD player source compat ibility AccuBlend scan conversion automatically converts VGA SVGA and SXGA signals to the panel s native resolution RGB input 3 Vi...

Page 19: ...mode 3 LEFT and RIGHT Enlarges or reduces the image Functions as the CURSOR buttons in the On screen display OSM mode 4 INPUT SELECT EXIT Switches the input in the following order VIDEO1 VIDEO2 RGB3...

Page 20: ...minal is used when power ON OFF input se lection and AUDIO MUTE and other controls are oper ated externally by external control See also page 36 for external control C REMOTE CONTROL Connect the suppl...

Page 21: ...s follows each time the button is pressed VIDEO1 VIDEO2 RGB3 RGB2 RGB1 VIDEO3 DVD HD 4 DVD HD Press this button to select DVD HD as the source DVD HD can also be selected using the INPUT SE LECT butto...

Page 22: ...using the supplied remote control unit in the wired condition F Remote control signal transmitter Transmits the remote control signals Battery Installation and Replacement Insert the 2 AAA batteries m...

Page 23: ...of about 7 m 23ft from the front of the monitor s remote control sen sor and at a horizontal angle of within 30 The remote control operation may not function if the monitor s remote control sensor is...

Page 24: ...VIDEO 2 VIDEO 3 Installation Document Camera VCR or Laser Disc Player DVD Player Signal cable supplied To Mini D Sub 15 pin connector on the plasma monitor Monitor adapter for Macintosh supplied IBM...

Page 25: ...IN DVI connector of the main unit Note that the RGB3 IN DVI terminal does not support analog RGB input source Note 1 Input TMDS signals conforming to DVI standards The TMDS input corresponds to 1 lin...

Page 26: ...itor 1 Strip the ends of the speaker wires 2 Press down the tabs below the SPEAKERS terminals insert the speaker wire and release the tab to secure the speaker wire connection a Connect the right spea...

Page 27: ...9 Signal Digital T M D S Data 2 T M D S Data 2 T M D S Data 2 Shield No connection No connection DDC Clock DDC Data No connection T M D S Data 1 T M D S Data 1 T M D S Data 1 Shield No connection No c...

Page 28: ...n on the remote controller or the unit to decrease to the desired level MUTE To cancel the sound Press the MUTE button on the remote controller to cancel sound press again to restore DISPLAY To check...

Page 29: ...s the OFF TIMER button once 2 The remaining time is displayed then turns off after a few seconds 3 When five minutes remain the remaining time appears until it reaches zero O F F T I M E R 3 0 OFF TIM...

Page 30: ...is displayed The picture has the same size as video pictures with a 4 3 aspect ratio FULL size screen The image is expanded in the horizontal direction Images compressed in the horizontal direction s...

Page 31: ...l direction When using a graphic accelerator board that is capable of displaying 8482480 FULL size screen Information m Supported resolution See page 44 for details on the display output of the variou...

Page 32: ...layed with respect to the screen as shown on the diagram Depending on the screen s mode the OSM may be dis played slightly differently In the explanation the OSM section is shown close up MAIN MENU PI...

Page 33: ...justs the vertical and horizontal positions of the menu display POWER MGT Sets the monitor for use as an energy saving display when used with a computer GRAY LEVEL In case of 4 3 sets the luminance of...

Page 34: ...us screen reappears 5 Once the adjustment is completed Press the EXIT button to return to the main menu To delete the main menu press the EXIT button once more Note If CAN NOT ADJUST appears When tryi...

Page 35: ...ATER Set this mode when watching video in a dark room This mode provides darker finer pic tures like the screen in movie theaters CONTRAST 80 for RESET mode BRIGHTNESS 95 for RESET mode NORMAL Set thi...

Page 36: ...s when the and buttons are pressed 1 2 3 PRO See page 21 to set PRO PICTURE CONTRAST BRIGHTNESS SHARPNESS COLOR TINT PICTURE MODE COLOR TEMP NR MEMORY 1 NR 2 R G SEL ADJ RETURN EXIT Information m Sett...

Page 37: ...rs 4 Press the PROCEED button The WHITE BALANCE screen appears 5 Use the and buttons to select RED GAIN WHITE BALANCE GAIN RED GREEN BLUE BIAS RED GREEN BLUE SEL ADJ RETURN EXIT R GAIN 6 Adjusts the w...

Page 38: ...er the or button is pressed within 5 sec onds the current selection is set and the previous screen reappears 5 Once the setting is completed Press the EXIT button to return to the main menu To delete...

Page 39: ...lete the main menu press the EXIT button once more NOTE If CAN NOT ADJUST appears Set AUDIO INPUT on the OPTION menu correctly Information m Sound settings menu BASS Changes the level of low frequency...

Page 40: ...Repeat from step 3 5 Press the PROCEED button The vertical position of the computer s image has now been adjusted 4 Adjust using the and buttons 2 To adjust the normal mode Use the and buttons to sele...

Page 41: ...the on screen display When using the monitor for presentations etc the moni tor can be set so that the input source screen mode etc do not appear Example Turning the on screen display mode off Press t...

Page 42: ...tons OSM OSM ADJ POWER MGT GRAY LEVEL PLE CINEMA MODE RESET ON 1 OFF 3 AUTO AUTO SEL ADJ RETURN EXIT F U N C T I O N F U N C T I O N OSM OSM ADJ POWER MGT GRAY LEVEL PLE INVERSE CINEMA MODE RESET ON 2...

Page 43: ...default settings Select RESET under the function menu Note that this also restores other settings to the factory defaults 3 To turn the power management function on Use the and buttons to select ON Th...

Page 44: ...han from the standby mode Operate the keyboard or mouse The pic ture reappears but more time is required than from the standby mode or suspend mode Horizontal and vertical synchronizing sig nals are p...

Page 45: ...O N OSM OSM ADJ POWER MGT GRAY LEVEL PLE INVERSE CINEMA MODE RESET ON 1 OFF 9 AUTO AUTO SEL ADJ RETURN EXIT Setting the brightness level to the minimum Locking this mode allows you to dim the picture...

Page 46: ...ults F U N C T I O N OSM OSM ADJ POWER MGT GRAY LEVEL PLE INVERSE CINEMA MODE RESET ON 1 OFF 3 AUTO AUTO SEL ADJ RETURN EXIT F U N C T I O N OSM OSM ADJ POWER MGT GRAY LEVEL PLE INVERSE CINEMA MODE RE...

Page 47: ...DJ RGB1 VIDEO1 HD DVD1 COMP RGB 1080B 1 SEL ADJ RETURN EXIT Setting the allocation of the audio connectors Setting the AUDIO 1 2 and 3 connectors to the desired input Example Set AUDIO 1 to RGB 2 Pres...

Page 48: ...480 line signal with a vertical frequency of 31 72 KHz is input the image may be compressed horizontally To prevent this set RGB SELECT to WIDE DTV Set this model when watching digital broad casting...

Page 49: ...RN EXIT Adjusting the display position in the RGB3 input mode If the image is not stable when in the RGB3 input mode switch the RGB3 ADJ number to 2 or 3 Example Setting the 1 mode to 2 Press the PROC...

Page 50: ...OCEED button The display language is switched to Deutsch 5 Once the setting is completed Press the EXIT button to return to the main menu To delete the main menu press the EXIT button once more L A N...

Page 51: ...Information m Video signal formats Different countries use different formats for video sig nals Set to the format used in your current country AUTO1 2 The video signals are automatically de tected an...

Page 52: ...nections are made as described below 2 Connector on the external equipment side Serial port RS 232C connector See the specifications of the equipment that is to be connected for the type of connector...

Page 53: ...mmand 1 Unit ID 1 and 2 Command 2 Data Length and Data Check Sum Example DFH 80H 60H 47H 01H 01H 08H Command 1 Unit ID 1 Unit ID 2 Command 2 Data Length Data Check Sum Total 208H 2 Error Processing Wh...

Page 54: ...ol equipment switches off the power of the plasma monitor Transmission Data 9FH 80H 60H 4FH 00H CKS ACK The plasma monitor returns the following ACK when the power is switched off 3FH 60H 80H 4FH 00H...

Page 55: ...Screen display On 02H Screen display Off ACK 7FH 60H 80H 58H 01H DATA00 CKS DATA00 01H Screen display On 02H Screen display Off Screen display On Off is equivalent to the screen display On Off functi...

Page 56: ...DATA00 USER PICTURE Gain Flag 01H DATA01 BRIGHT Gain Flag 08H DATA02 BRIGHT Gain E0H 32 FFH 01 00H 0 01H 01 20H 32 ACK 7FH 60H 80H 7FH 02H DATA00 DATA01 CKS DATA00 USER PICTURE Gain Flag 01H DATA01 BR...

Page 57: ...sion Data DFH 80H 60H 7FH 04H DATA00 to DATA03 CKS DATA00 USER PICTURE Gain Flag 01H DATA01 GREEN Gain Flag 02H DATA02 GREEN Gain 1 Bias D8H 40 FFH 1 00H 0 28H 40 DATA03 GREEN Gain2 Drive D8H 40 FFH 1...

Page 58: ...1 00H 0 28H 40 DATA02 BLUE Gain Bias D8H 40 FFH 1 00H 0 28H 40 DATA03 COLOR Gain EAH 22 FFH 01 00H 0 01H 01 16H 22 DATA04 TINT Gain EAH 22 FFH 01 00H 0 01H 01 16H 22 DATA05 SHARPNESS Gain F0H 16 FFH 0...

Page 59: ...rns the following ACK 7FH 60H 80H 6FH 03H DATA00 DATA01 DATA02 CKS DATA00 AUDIO 1 DATA01 AUDIO 2 DATA02 AUDIO 3 VISUAL INPUT DATA 01H Video 1 02H Video 2 03H Video 3 05H HD HD1 or DTV or DTV 1 06H HD2...

Page 60: ...located at the center 2 Only when using a graphic accelerator board that is capable of displaying 8482480 3 Aspect ratio is 5 4 This signal is converted to a 600 dots2480 lines signal NOTE With digit...

Page 61: ...re inside the main unit has become too high and has activated the protector Troubleshooting If the picture quality is poor or there is some other problem check the adjustments operations etc before re...

Page 62: ...048 W 2648 H 289 D mm 70 6 lbs 32 kg 0 C to 40 C 32 F to 104 F 20 to 80 0 to 1900m 0 to 6230ft 10 C to 50 C 14 F to 122 F 10 to 90 0 to 3000m 0 to 9840ft Power on off Input source select Volume up dow...

Page 63: ...NEC Technologies Inc 1250 N Arlington Heights Road Suite 500 Itasca Illinois 60143 1248 Printed in Japan 78411091 Printed on recycled paper...

Page 64: ...uits of X9001 AD connector YES NO Are signals of 3Vp p present at Pins 51 Fault in the AD connector block or peripheral circuits of X9004 HSYNC 53 VSYNC and 76 V period of the AD connector YES NO Is 0...

Page 65: ...peripheral circuits of IC8501 Fault in peripheral circuits of IC7506 Are pulses of 3Vp p video signal Are pulses of 3Vp p video signal normally normally generated at Pins 1 to 24 generated at Pins 122...

Page 66: ...fter the replacement of the AD cable defective of the AD cable NO YES Is normal display available after the replacement of the Fault in the MAIN PWB MAIN PWB NO YES Is normal display available after t...

Page 67: ...12 NO YES The RGB signal is present at Fault in IC5606 to IC5608 or peripheral circuits of IC5618 Pins 41 to 43 of IC5404 NO YES The Y signal is present at Pins Fault in peripheral circuits of IC5404...

Page 68: ...peripheral circuits of Q5226 to Q5229 and FL5202 for the Signal C at TP5210 Signal Y system and in those of Q5230 to Q5233 and FL5203 for the Signal C system NO Fault in peripheral circuits of IC5210...

Page 69: ...52 of IC5404 NO YES The R Y B Y signal is present at Pins Fault in peripheral circuits of IC5403 7 and 8 of IC5403 NO YES The R Y B Y signal is present at Pins Fault in peripheral circuits of IC5407 2...

Page 70: ...NO Skip to Mark 2 6 No PAL color generation Continued from Item 4 YES The C signal is present at Pin 13 of Fault in peripheral circuits of IC5404 IC5404 NO YES The C signal is present at Pin 16 of Fa...

Page 71: ...in peripheral circuits of IC5808 to IC5810 YES The RGB signal is present at Fault in peripheral circuits of IC5620 Q5619 to Q5621 TP5610 to TP5612 NO YES The RGB signal is present at Fault in periphe...

Page 72: ...1 3 and 5 of the POMN at Pins 7 8 9 and 10 of the connector POMN connector NO NO YES The H V sync signal is present Fault in IC5803 IC5804 at Pins 2 and 5 of IC5803 NO Fault in peripheral circuits of...

Page 73: ...re signals present at the LM and RM connectors of the AUDIO PWB NO YES Disconnection etc in the LM and RM connector cables 5 Is the signal present at the AB connector of the AUDIO PWB NO YES Fault aro...

Page 74: ...is available at POAB Fault in the AUDIO PWB NO YES The audio signal is present at Pins 23 and 24 of Fault in Q1021 Q1022 Q1005 IC1001 NO YES The audio signal is present at Pins 2 4 8 10 30 Fault in IC...

Page 75: ...in green To 4 YES NO Are there outputs of M 14V and Try to disconnect the PW M 7V at Pins 1and 3of the PQ and RS connectors from PM connector one after another If the out puts of M 14V and M 7V are f...

Page 76: ...s out of order on the P0F1 P0F2 side where 5V is available As this voltage becomes 0V NO when the power supply is turned OFF this check should be carried out after connecting a circuit tester in advan...

Page 77: ...Method of alarm reset In the case of flashing in green and red the power supply is not recovered even though the main power supply the remote control or the outlet is turned ON and OFF For alarm rese...

Page 78: ...9501 MAIN and to attain OFF after the main its peripheral circuits power supply is turned ON NO NO Is the potential kept at H at Pins 4and 5of the PM connector YES NO Is the potential kept at H at Fau...

Page 79: ...SITION UP POSITION DOWN OFF TIMER Entering and withdrawal from the factory mode Press the relevant keys in the order of OFF TIMER EXIT MUTE OFF TIMER PWB Adjustments 1 Setting and confirmation before...

Page 80: ...djustment of 170V and 70V 3 Adjustment of 5V PWB Layout 1 MAIN PWB PWC 4418 PWC 4418A MAIN PWC 4418B PANEL 2 VIDEO PWB PWC 4417 3 SUB PWB PWC 4419 PWC 4419A 232C PWC 4419B CTL PWC 4419C PWR PWC 4419D...

Page 81: ...IC5601 3 A3 9V 9V 3 0 IC5402 3 A 12V 12V 3 0 SUB PQ 1 M 14V 14V 5 PWC 4419 PQ 4 A 7V 6 5 9 0V IC1008 4 AMP 5V 5 0 15V IC1009 3 RGB 5V 5 0 12V PWB Adjustments 1 Setting and confirmation before adjustme...

Page 82: ...6 Press the cursor key or v of the remote control to select COLOR or TINT 7 Press the cursor key or so that the waveform appearing at the oscilloscope is adjusted as shown in Fig 2 2 8 Set the input s...

Page 83: ...ng the PROCEED key 7 Press the cursor key or v of the remote control to select U COL 8 At Pin 3 B OUT of the MN connector adjust the video signal section shown in Fig 2 4 until it attains 1 4Vp p by p...

Page 84: ...y of the remote control to select COLOR SYSTEM from MAIN MENU and INFORMATION 21 Press the cursor key or and set the color system at AUTO again 22 Change over the input signal to SECAM SLIDE 23 Assume...

Page 85: ...eform can be observed as shown below 3 Assume the factory shipment setting mode with the factory shipment adjusting command of the re mote control 4 Assume the D CONTROL PC screen by pressing the PROC...

Page 86: ...and adjust the waveform until it appears as shown in Fig 3 2 in the same manner as for 6 above 14 In the same manner as for 7 above adjust the waveform until it appears as shown in Fig 3 3 15 Press t...

Page 87: ...er an NTSC lamp signal input in the VIDEO input circuit and select VIDEO INPUT 2 Confirm that normal gradation change is assured in the video signal that appears in the display This is of no problem e...

Page 88: ...e to the check terminals of PSC0 to PSC3 on the jig board 3 Confirm that a signal of 5Vp p Hi is seen at each check terminal when the slide switches SW4012 to SW4015 are simultaneously moved to the up...

Page 89: ...ove the SW1001 socket to the side of Pin 3 on the I O PWB PWC 4213B to enable writing 4 Select EXECUTE on the personal computer screen and accomplish writing according to the instruc tions on the scre...

Page 90: ...confirm that the data of Table 7 2 are output from Pin 7 2 Remove the short circuit condition from the section between TP7003 and TP7004 Table 7 2 EDID Data 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF...

Page 91: ...Adjust the horizontal and vertical positions and confirm that H PHA is kept at 0 and that H CLK is kept at 0 14 Change over the input signal to PAL monoscopic and repeat the steps of 4 to 14 above 15...

Page 92: ...en TP3 170V output and TP4 GND of the POWER unit is kept within the range of the voltage specified for the PDP module CAUTION 1V 3 Confirm that the voltage value between TP2 70V output and TP4 GND of...

Page 93: ...06 AMDP NEC PWC 4418A MAIN PWB IC7505 9 RS 1 1 5 1 10 1 12 4 80 1 AD 77 IC7505 IC9004 TIRAMISU IC8701 PALMIRA IC6502 AD IC7011 20 1 PANEL NEC PWC 4418B PANEL PWB IC8501 SCREEN3 IC8504 IC8505 IC7504 IC...

Page 94: ...IC5814 IC5203 M1010 Audio 3 M1005 HD DVD M1009 Audio 2 M1008 Audio 1 M1006 RGB D SUB15 M1007 RGB 5 BNC M1003 S V M1001 RCA V M1002 BNC V IC5201 IC5210 IC5205 IC5206 IC1001 IC5202 IC5207 NEC PWC 4417 V...

Page 95: ...PWC 4419D SP PWB PWC 4419E NEC NEC NEC PWC 4419C PWR PWB NEC 4 POWER unit layout 5 1 4 1 10 1 11 1 6 1 1 6 1 6 1 8 1 3 1 8 1 3 3 1 PI PQ PV PN PM PA PH PD 24 21 25 22 26 1 27 2 TP3 D 170 TP1 D 5 TP4 D...

Page 96: ...al input is selected when a cable is inserted in the S terminal 2 DVD HD DTV input 1 HD Y Pb Pr component input ternary sync signal 700 300 300 Y Pb Pr 350 350 100 color bar signal mVp p 2 DVD Y B Y R...

Page 97: ...f g h i j Video signal 0 7Vp p Sync signal TTL level Positive negative polarity 5 19 METHOD OF ADJUSTMENTS 3 RGB PC input 1 Horizontal sync period 2 Vertical sync period The data a to j above are spec...

Page 98: ...64 96 H back porch S 1 228 2 237 4 037 3 138 1 946 dots 15 33 85 79 49 V total mS 16 652 20 055 17 723 14 268 16 683 line 262 312 440 449 525 V display period mS 15 3 18 513 16 112 12 711 15 253 line...

Page 99: ...dots 64 40 64 56 96 H back porch S 3 175 4 064 3 81 2 222 1 524 dots 96 128 120 80 48 V total mS 15 13 735 13 333 11 764 13 333 line 525 520 500 509 525 V display period mS 13 714 12 678 12 8 11 093 1...

Page 100: ...3 2 2 4 1 616 1 138 dots 72 128 120 80 64 H back porch S 3 556 2 2 1 28 3 232 2 702 dots 128 88 64 160 152 V total mS 17 778 16 579 13 853 13 333 11 756 line 625 628 666 625 631 V display period mS 17...

Page 101: ...s 64 128 86 112 144 H back porch S 3 91 2 047 3 81 3 319 2 878 dots 224 70 162 112 136 V total mS 13 414 16 676 13 333 16 667 16 65 line 667 529 500 517 596 V display period mS 12 549 15 132 12 8 15 4...

Page 102: ...92 1 813 dots 176 176 164 136 136 H back porch S 2 51 2 246 2 2 2 462 1 92 dots 192 192 113 160 144 V total mS 16 627 16 662 15 579 16 666 14 272 line 750 795 628 806 806 V display period mS 15 962 16...

Page 103: ...96 96 96 112 144 H back porch S 2 235 2 201 2 2 2 296 1 837 dots 176 208 176 248 248 V total mS 13 328 11 765 13 347 16 661 13 329 line 800 808 804 1066 1066 V display period mS 12 795 11 183 12 749...

Page 104: ...s 75 60 44 57 80 H back porch S 3 267 2 665 2 59 2 25 2 963 dots 97 65 192 55 220 V total mS 19 911 16 522 16 652 16 683 16 667 line 625 525 562 562 525 750 V display period mS 18 35 15 106 15 319 15...

Page 105: ...H back porch S 1 993 2 250 4 500 1 440 dots 148 90 72 144 V total mS 16 652 16 682 16 663 16 683 13 322 line 562 563 562 262 5 262 5 915 V display period mS 16 000 16 000 15 15 15 236 15 236 12 667 li...

Page 106: ...adation processing are carried out for the digital video signals In addition ON screen signals are also synthesized there After that latch process ing is carried out in IC9006 IC9007 and IC9008 and th...

Page 107: ...white balance to be conducted in the factory adjustment mode In addition to the video signals both horizontal and vertical sync signal inputs are also applied to this IC6502 Based on these sync signa...

Page 108: ...the potential is H 9 ON screen signal generator block IC9002 generates N screen signals The contents of display are controlled by the various signals of SIDI SIKI and CSOSD fed from the microcomputer...

Page 109: ...RGB3 input the outputs of clock horizontal and vertical sync signals are generated from IC7011 After being applied to IC7007 Pin 2 the clock signal is supplied from this IC7007 to each circuit 2 Modul...

Page 110: ...ocessor block 3 System control IC9501 is a microcomputer for system control In IC9501 various controls are carried out such as input signal changeover A D converter setting provision of output signal...

Page 111: ...2 with a jumper strap or the like 2 Panel crack detection If there is any error in the plasma display module signal system an alarm signal is sent from Pin 79 of the AD connector to Pin 48 of the micr...

Page 112: ...5205 2 1 Ternary Y C separation for NTSC The VIDEO signal input entered in Q5201 is band pass limited at FL5201 Compensation for the level and frequency characteristics is then carried out at the AMP...

Page 113: ...rcuit and is then returned to IC5008 In the case of PAL M N the signal passes through DL5402 and further IC5017 SW circuit and is then returned to IC5008 After passing through the internal circuits of...

Page 114: ...on of interpolation is carried out at the intervals of one hour and the output is generated from Pins 29 and 30 It is then entered in Pins 7 and 8 of IC5403 CTI In IC5403 profile compensation is carri...

Page 115: ...1035 to Q1036 and is then entered in IC5810 74HC4052 SW The V sync signal is processed for waveform shaping at Q1035 to Q1036 and is similarly entered in IC5810 74HC4052 SW These H V sync signals are...

Page 116: ...t terminal is available This signal has been amplified approximately twice The input signal passes through the buffer circuit and is entered in the sound processor In this sound processor various cont...

Page 117: ...o the plasma display module When the internal temperature of the POWER unit attains about 100 C the T ALM signal begins to send the L signal from Pin 0 of the PN to the MAIN PWB COM The COM causes the...

Page 118: ...METHOD OF DISASSEMBLY 7 1 1 Diagonal view of the main unit rear panel...

Page 119: ...METHOD OF DISASSEMBLY 7 2 M02 S10 2 REAR PANEL ASSY 1 Remove the twenty seven screws S10 and take out the REAR PANEL ASSY M02...

Page 120: ...METHOD OF DISASSEMBLY 7 3 3 CONNECTOR 1 Remove the connectors HD E04 PV E09 SY E11 PQ E13 MN E19 and RS E17 F1 SY PQ PV RS MN HD MN HD SY PV RS PQ E19 E04 E13 E11 E09 E17...

Page 121: ...Remove the connectors AB E10 AE E12 LD E14 and PW E16 3 Remove the connectors F1 and F2 4 Remove the connector PL METHOD OF DISASSEMBLY 7 4 PA AE F2 F2 F1 AB PL LD LD PW PW AE PA AB F1 E10 E14 E16 E1...

Page 122: ...SSEMBLY 7 5 5 Remove the connectors PH E21 PD E22 PM E18 and PN E05 6 Remove the screws S02 and S04 and take out the barrier cable E04 and the earth plate pulse M24 S04 E01 S02 M24 PH PH PD PD PM PN E...

Page 123: ...METHOD OF DISASSEMBLY 7 6 A01 C04 4 MAIN PWB ASSY 1 Remove the screw C04 and take out the MAIN PWB ASSY A01...

Page 124: ...METHOD OF DISASSEMBLY 7 7 5 POWER UNIT 1 Remove the eight screws S02 and take out the POWER UNIT A10 A10 S02...

Page 125: ...F DISASSEMBLY 7 8 6 TERMINAL PANEL MMP L ASSY 1 Remove the six screws S02 and the seven screws S04 and take out the TERMINAL PANEL MMP L ASSY For more details refer to P 8 2 S02 S04 TERMINAL PANEL MMP...

Page 126: ...F DISASSEMBLY 7 9 7 TTERMINAL PANEL MMP R ASSY 1 Remove the six screws S02 and the seven screws S04 and take out the TERMINAL PANEL MMP R ASSY For more details refer to P 8 2 S02 S04 TERMINAL PANEL MM...

Page 127: ...METHOD OF DISASSEMBLY 7 10 M13 S02 S07 M22 8 COVER BOTTOM and FAN 1 Remove the four screws S02 and take out the COVER BOTTOM M13 2 Remove the eight screws S07 and take out the FAN M22...

Page 128: ...METHOD OF DISASSEMBLY 7 11 9 BRACKET MAIN 1 Remove the six screws S02 and take out the BRACKET MAIN M11 S02 M11...

Page 129: ...S02 10 BRACKET BOTTOM FAN L FAN R CENTER STAY ASSY 1 Remove the twelve screws S02 and take out the BRACKET BOTTOM M13 2 Remove the ten screws S07 and take out the BRACKET FAN L M14 and FAN R M15 3 Rem...

Page 130: ...METHOD OF DISASSEMBLY 7 13 M03 S03 S01 11 CABINET ASSY 1 Remove the ten screws S01 and another ten screws S03 and take out the CABINET ASSY M03...

Page 131: ...METHOD OF DISASSEMBLY 7 14 12 CTL PWB ASSY LED PWB ASSY 1 Remove the four screws S01 and take out the CTL PWB ASSY A04 and the LED PWB ASSY A06 E07 E14 A04 A06 S01 S01...

Page 132: ...METHOD OF DISASSEMBLY 7 15 13 FILTER 1 Remove the sixteen screws S01 and take out the the BRACKET FILTERS T M05 B M07 and S M06 M07 M04 M06 M06 M05 S01 S01 S01 S01...

Page 133: ...WIRING 7 16 PD PH POPL PL MN HD HD SY SY SW PW LD LD F1 PV PV PQ PQ PA PM PN PM PN F2 AE RS RS RM LM LM RM AB AE PA FAN DS LUG 9point PW AB SW AB MN FAN CORE 10point Caution Don t layoutwire on BOSs B...

Page 134: ...MEMO...

Page 135: ...DISASSEMBLY 8 1 S01 S01 M05 M06 M07 A06 S01 S01 S01 S01 S01 M01 M04 M06 S01 A04 P01 M03 S10 S03 S01 M02...

Page 136: ...7 M19 A09 S04 S08 S04 A03 E02 S06 S09 S05 S04 S02 M12 M13 S02 A10 S02 M13 M09 M09 A05 M10 M24 S02 E01 S04 M25 A01 M08 S02 M11 M28 M20 M23 M16 M18 S02 M26 S07 M22 S02 M15 M22 M14 S07 S02 S04 S02 S04 M2...

Page 137: ...9 1 PACKAGING Packing details A Safety bracket SASSY B 1 Safety bag SASSY...

Page 138: ...B 2 ACESSORY SASSY C CUSHION TC 9 2 PACKAGING The tapes to be used shall be the item specified below Paper adhesive tape 30mm 18m 92203227 or Paper adhesive tape 19mm 18m 92203226...

Page 139: ...D CUSHION CARTON BOX 9 3 PACKAGING...

Page 140: ...n 4 positions Hook the P P band 92203857 at about 2cm from the inside of each joint and fasten it a stopper P P band 24282431 1 Insert a joint in the corrugated 2 Turn the hinged part 3 Push it in unt...

Page 141: ...9 5 PACKAGING F CARTON BOX OUT...

Page 142: ...EL PP band Necessary items shall be printed on the bar code serial 16761791 which is then stuck to the left side of the corrugated cardboard OUT T Aooly a P P band 92203857 and fasten it with a stoppe...

Page 143: ...ADJ A09 79646921 AUDIO AMPLIFIER MODULE PD MA 1 A10 79646742 POWER UNIT 42NH PDP 3 MISCELLANEOUS ELECTRICAL PARTS CN5001 70052231 PIN SOCKET 2P M1001 70051873 JACK PIN 1P YKB11 1008 M1003 70057310 SO...

Page 144: ...3 6 3KF S05 24N03691 CBIPS 3 8 3KF S06 910E3063 SCREW PL CPIMS 3 10 15KF S07 910E3196 SCREW PL CPIMS 3 30 3KF S08 24850121 SCREW PL CPIMS 3 14 3KF S S09 24N03112 SCREW D SUB S10 910E4033 PL CPIMS 4 12...

Page 145: ...4HS2411 NET AS A 24HS2421 NET AS B 24HS2431 NET AS C 24HS2441 NET AS D 24HS2451 NET AS E 24J15151 BARRIER MAIN M21 24J15161 BARRIER VIDEO 24J15551 CUSHION FILTER M25 24J15911 BARRIER CABLE M23 24J1592...

Page 146: ...851 CUSHION BL 24MU4861 CUSHION BR 24MU4871 CUSHION BC 24MU5421 CARTON BOX T PX 42VM1A G 24MU5431 CARTON OUT T PX 42VM1A 24MU5451 CARTON OUT B PX 42VM1A G 24MU5461 SPACER OUT T PX 42VM1A G 24MU5471 CU...

Page 147: ...CONNECTION DIAGRAMS 11 1...

Page 148: ...BLOCK DIAGRAMS 12 1 MAIN PWB BLOCK...

Page 149: ...BLOCK DIAGRAMS 12 2 VIDEO BLOCK...

Page 150: ...BLOCK DIAGRAMS 12 3 AUDIO BLOCK...

Page 151: ......

Page 152: ......

Page 153: ......

Page 154: ......

Page 155: ......

Page 156: ......

Page 157: ......

Page 158: ......

Page 159: ......

Page 160: ......

Page 161: ......

Page 162: ......

Page 163: ......

Page 164: ......

Page 165: ......

Page 166: ......

Page 167: ......

Page 168: ......

Page 169: ......

Page 170: ......

Page 171: ......

Page 172: ......

Search results

Summary of Contents for PlasmaSync PX-42VM1G

Reviews:

Related manuals for PlasmaSync PX-42VM1G

Brands by name

Popular brands

NEC PlasmaSync PX-42VM1G, Service Manual

Search results

Summary of Contents for PlasmaSync PX-42VM1G

Reviews:

Related manuals for PlasmaSync PX-42VM1G

Brands by name

Popular brands