NEC NEC MultiSync LCD1550X LCD1550X LCD1550X Service Manual Download Page 44

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• Power management control (FET-SW and regulator ON/OFF control, etc.)

(1) At AC power ON

System reset

Microcomputer initialization

P_ON = ON

P_SUS* = ON

ASIC initialization

ASIC power save mode transfer

(2) Front power switch = ON & power save recovery

P_SAVE = ON (resonance mode)

ASIC power save mode cancel

P_PANEL = ON(black mask)

Delay

P_TMDS = ON

Inverter ON control (P_INVT = ON, PRO_DLY output, DUTYCINV output)

Video buffer ON (SEL_1 = ON or SEL_2 = ON during analog)

(3) Front power switch = OFF

Video buffer OFF

Inverter OFF control

P_PANEL = OFF

ASIC power save mode transfer

P_SAVE = OFF(PRC mode)

P_TMDS = OFF

(4) Power save transfer

Video buffer OFF

Inverter OFF control

P_PANEL = OFF

ASIC power save mode transfer

P_SAVE = OFF(PRC mode)

P_TMDS power save mode transfer

(P_TMDS = OFF when VIDEO DETECT = NONE, and D-SUB Ch is selected)

Summary of Contents for NEC MultiSync LCD1550X LCD1550X LCD1550X

Page 1: ...SERVICE MANUAL LCD DISPLAY LCD1550X LCD1550X BK NEC MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION DECEMBER 2001 CBB S5765 Rev A...

Page 2: ...1 Confirming operation of operation SW and functions 7 ADC MAX value is specified in 2 6 2 1 Confirming OSM picture during heat running 8 2 6 2 1 Confirming OSM picture during heat running is revised...

Page 3: ...te sync V separation circuit 1 14 1 4 4 Sync On Green synchronization separating circuit 1 15 1 4 5 TMDS receiver 1 17 1 4 6 Input signal presence judgment function 1 18 1 4 7 Input signal switching c...

Page 4: ...1 44 1 8 4 3 Protection circuit section 1 45 1 8 4 3 1 Lamp current detection protection circuit lamp current limiter 1 45 1 8 4 3 2 Overvoltage protection circuit 1 45 1 8 4 3 3 Protection circuit o...

Page 5: ...n of picture 2 6 2 6 1 3 Aging 2 7 2 6 2 Main adjustment 2 7 2 6 2 1 Confirming OSM picture during heat running 2 7 2 6 2 2 BIAS adjustment 2 7 2 6 2 3 GAIN adjustment 2 7 2 6 2 4 BRIGHT LIMIT adjustm...

Page 6: ...e inspection 2 16 2 9 1 1 Scope of inspection 2 16 2 9 1 2 Environment for inspection 2 16 2 9 1 3 Picture pattern 2 16 2 9 2 Definition of applicable area 2 16 2 9 3 Standards for display conditions...

Page 7: ...ly controlled to prevent output voltage fluctuations caused by AC input voltage fluctuations and secondary side load fluctuations 3 Switching of the PRC and pseudo resonance is controlled by inputting...

Page 8: ...es the bottom valley of this vibration waveform and the next cycle turns ON soft switching takes place With the effect of the voltage reso nance capacitor the dv dt of the VDS during turn OFF becomes...

Page 9: ...nce after the transformer has discharged the energy and with a cycle one half of the resonance frequency When the voltage resonance capacitor C906 is connected between the drain and ground and the del...

Page 10: ...1 starts with the constant current discharge circuit The voltage at both ends drops at the inclination determined by the capacitor in the OSC and the constant current discharge circuit When the voltag...

Page 11: ...the pin MOSFET source terminal and pin GND terminal and inputting the drop voltage into the OCP FB terminal The OCP terminal s threshold voltage r h 1 is approx 0 76V typ in respect to the GND R905 R...

Page 12: ...oltage power Reg circuit is function ing in the control circuit and the circuit current is high Thus the voltage of pin will drop suddenly When the voltage of pin drops to below the operation stop vol...

Page 13: ...oltage when the control circuit is open etc REC Latch Delay Drive Internal Bias UVLO Vin 4 Vin on 17 5V Vin off 10V OVP Vth 25 5V Ta 155 C REG TSD S PWM Latch INH Latch Tcoff 50 S R _ Q Q R S OSC INH...

Page 14: ...signals not displayed or selected Input signal presence judgment and automatic switching function VIDEO DETECT DDC switching control function DVI SELECTION DDC2Bi DDC CI compatible EDID data write pro...

Page 15: ...EEPROM 2kBit EEPROM 64kBit EEPROM EEP_SCL EEP_SDA U D INC A2_Dig A2_Ana WP 8 8 8 DB 7 0 DG 7 0 DR 7 0 HSYNC VSYNC DE VCLK 5 3 SEL_2 FS_ 2 0 10MHz SCLK XIN 16 16 16 16 16 16 8bit x 2 8bit x 2 8bit x 2...

Page 16: ...PEV B6 PEV B5 PEV B4 GND PEV B3 PEV B2 PEV B1 PEV B0 GND PEV G7 PEV G6 PEV G5 PEV G4 GND PEV G3 PEV G2 PEV G1 PEV G0 GND PEV R7 PEV R6 PEV R5 PEV R4 GND PEV R3 PEV R2 PEV R1 PEV R0 FH12A 30S 0 5SH CP4...

Page 17: ...s Typical Unit Remarks Min 30 0 50 25 1 DVI 1 0 compatible Max 60 75 1 78 8 kHz Hz MHz Horizontal synchronizing signal frequency range Vertical synchronizing signal frequency range Video clock frequen...

Page 18: ...ry AH1 AV1 Sync Sepa A5V 74F14 R1 V1 G1 B1 S G1 A5V S G H1 SEL 1 PDO SCDT PD LPF LPF H1 Sync Sepa LPF 74F14 A5V 74LCX14 D3_3V LPF SEL HS2_SG2 C S V2 C S H2 C S H1 SEL HS1_SG1 A5V R1 G1 B1 R VIN1 B VIN...

Page 19: ...chronizing signal input from an external source is terminated to 2 2k and then passes through IC201 74F14 which has hysteresis characteristics The separate sync and composite sync are input into the s...

Page 20: ...ld level at VCC 3 3V conversion Min Max VIH 1 38V 2 50V VIL 0 72V 1 74V The V signal sampling circuit s constant was set in consideration of the 74LCX14MTCX thresh old level fluctuation Confirmation w...

Page 21: ...negative polarity is lower than the clamp level voltage the transistor Q204 Q207 turns ON during the sync interval and the input signal sync is raised by charging C202 and C236 The input signal is syn...

Page 22: ...e response is fast When Q C EV then t C I V 0 1 F 15mA V 6 7 V Example If the minimum value of the H SYNC width is 0 5 sec the maximum voltage fluctuation width that can be compensated at 0 5 sec is 0...

Page 23: ...jitter TCJ 0 3 x Tbit Data jitter TDJ inter pairskew Tskew intra 0 4 x Tbit The data jitter TDJ is specified with the template Inter pairskew Tskew inter 0 6 x Tpixel TDJ Tbit Tpixel TCJ Differential...

Page 24: ...S_V COM 10Hz Free run COM counter interrupt with 1V Interrupt cycle is 1V Then or X If S G_H COM 10kHz Free run COM counter interrupt with 1H Interrupt cycle is Min 2msec Then or X indicates the vide...

Page 25: ...ts Separate H C S or S G at Ch1 SEL_HS2_GS2 is the input signal switching switch which selects Separate H C S or S G at Ch2 Input signal judgment conditions Input judgment signal Input synchronizing s...

Page 26: ...s Hi The PD PWM cycle and Hi interval are determined considering the fact that for the power consumption during power save the Hi interval rarely drops below 50msec In addition the SCDT software filte...

Page 27: ...Ch input COM Pin No 47 51 7 8 33 19 I O I O O O O O Signal name Remarks Function MS RSTN SEL_HS1_SG1 SEL_HS2_SG2 SEL_1 SEL_2 ASIC 74ACT157SJ 74ACT157SJ Video buffer Video buffer ASIC control H V Sep a...

Page 28: ...01 0 01 0 01 33k 22k 33k 22k 33k 22k 33k 22k 33k 22k 33k 75 GREEN_1 BLUE_1 10 10 10 2SC3545 2SC3545 2SC3545 DTC114EUA RED1 GREEN1 BLUE1 RED2 GREEN2 BLUE2 SEL_2 D SUB RED_2 GREEN_2 BLUE_2 10 10 10 2SC...

Page 29: ...signal are measured by ASIC For analog signal input Pin 148 AH1 Pin 149 AV1 Pin 146 AH2 Pin 147 AV2 For digital signal input Pin 151 DCLK Pin 153 DE Pin 154 DV Pin 155 DH The DVI I D and DVI I A inpu...

Page 30: ...16WM 2 7 INC U D M3_3V M3_3V M3_3V DDC interface peripheral circuit 1 2 3 4 7 6 5 8 A5V D Sub connector 12 SCL_DDC SDA_DDC M24C02WMN6T NJM12903M 15 9 5VDC WP CABLE SCL SDA Dec DVI I for Digital Ch Inc...

Page 31: ...2_ANA PORT U D PORT INC PORT A2_DIG A2_ANA PORT INC CS PORT A2_DIG A2_ANA Previously stored value U D Lo decrement INC Transmission Lo clock x 16 times A2_DIG Hi A2_ANA Lo INC Hi CS Transmition Hi clo...

Page 32: ...own Store Wiper Position Standby Current No Store Return to Standby Symbol Parameter Min 100 100 2 9 1 1 1 10 4 0 2 Limits Typ 6 1 5 Max 5 500 5 50 10 Units ns ns s s s s ms s s s s mV ms ms tCI tID t...

Page 33: ...n be confirmed In addition if the setting value does not match the PC and is not displayed on the screen the problem can be resolved by displaying this OSM menu and changing DDC The DDC switching circ...

Page 34: ...bus DDC communication is carried out using these ports This LCD monitor has specifications to support DDC2BI DDC CI and is adjusted to the DDC CI I F specifications as the default The communication s...

Page 35: ...when changed so once the AC power is turned OFF the value will return to the default value Lo COM Pin No 37 43 42 41 40 I O O I I I I Signal name Remarks Function WP P_ID0 P_ID1 P_ID2 P_ID3 M24C02WMN...

Page 36: ...system synchronizing system 200mA M3_3V microcomputer system periphery 90mA A2_5V ASIC analog system 200mA D2_5V ASIC internal logic system 300mA D2_5V ASIC PLL system 10mA REG IC601 REG IC605 REG IC6...

Page 37: ...tem voltage 5V system voltage 3 3V system voltage 5 5V system voltage 11 0 5 00 3 20 5 40 12 0 5 25 3 40 5 70 13 0 1200 5 50 3 60 6 00 1600 800 200 Min Typ Max V mA V V V mA mA mA Unit Item Standards...

Page 38: ...00 1 3 53V 3 42V 3 31V Operating voltage 2 7 5 5V 2 7 5 5V 2 5 5 5V 2 0 17V 2 97 3 63V 2 0 14V 2 7 5 5V 3 0 3 6V 2 0 3 6V V OUT 0 4 3 5V Absolute rating 0 3 6 5V 0 3 6 5V 0 3 6 5V 18V 0 5 7V 15V 1 7V...

Page 39: ...lerable current 1 05A direct current resistance 0 35 Maximum power consumption P 5 25V x 1 6A 3 40V x 0 8A efficiency 0 8 13 9W 80 efficiency is value generally used for DC DC design Maximum input cur...

Page 40: ...ripple current 670mArms OK 3 3V output system Ripple voltage specifications 50mVp p Ripple voltage IL x ESR 0 15 0 121Ap p x 0 15 0 018Vp p 50mVp p OK Ripple current IL 2 3 0 035Arms Tolerable ripple...

Page 41: ...16V_100M M F55 CP182P093A41 ESR 1 00 MAX 20 C 100kHz Tolerable ripple current 140mArms 105 C 100kHz Tolerable ripple current frequency compensation coefficient 1 5 5V output system Ripple voltage spe...

Page 42: ...ter by the pull up resistor R1 It then turns OFF at a high speed as the power MOS FET gate is charged by Tr1 s active operation Tr1 can be turned OFF at a high speed because the pull up resistor is by...

Page 43: ...ficiency However as a high load current cannot be passed maximum approx 1A at 12V the resonance mode in which a load current can be applied is used normally COM Pin No 53 59 47 51 57 58 56 55 54 60 52...

Page 44: ...ANEL ON black mask Delay P_TMDS ON Inverter ON control P_INVT ON PRO_DLY output DUTYCINV output Video buffer ON SEL_1 ON or SEL_2 ON during analog 3 Front power switch OFF Video buffer OFF Inverter OF...

Page 45: ...3 5V However if the power voltage drops to 2 1V or less due to an error mode the following will be attained 1 R146 R156 reset voltage 2 1V reference voltage 1 25V Thus R146 6 8k and R156 10k are used...

Page 46: ...e2 clock delay time is set so that the panel clock s falling edge hits at the center of the data The timing reference is 1 5V Note that the panel input Hi level voltage VIH and panel input Lo level vo...

Page 47: ...sat is ignored 6mA 30mA LED power M3_3V VF x 6mA 8 4mW 75mW COM Pin No 68 69 70 71 72 73 74 76 35 36 I O I I I I I I I I O O Signal name Remarks Function LEFT EXIT RIGHT NEXT SW_DET RESET LED_P_G LED...

Page 48: ...mming method PWM dimming 1 8 2 Circuit block diagram Transformer Back light 12VDC input Resonance circuit 1 Resonance circuit 2 FET switch Latch circuit Timer circuit lamp current detection protection...

Page 49: ...Power input Power input GND GND Inverter power control input Power ON HIGH OFF LOW Protection circuit control input Protection circuit valid HIGH invalid LOW Dimming PWM signal input Resonance circuit...

Page 50: ...ance circuit royer circuit For dimming the PWM Pulse Width Modulation method that changes the duty ratio by turning the switching transistor base current ON and OFF is used Thus the brightness can be...

Page 51: ...nt limiter 1 Outline of operation The current that flows to lamp 1 s return wire is converted into voltage at R706 and is input into IC701 as the DC voltage rectified by D708 and C714 IC701 compares t...

Page 52: ...circuit malfunction prevention If detection of an error continues for a set time the protection circuit will function to prevent malfunctions The protection circuit operation is delayed by the time c...

Page 53: ...32 33 34 35 36 37 38 39 40 41 42 43 44 45 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DG CVSS RESET TXD RXD SCLK BUSY EPM CE M3 3V 8 2 3 4 5 6 7 9 10 PWB MAIN PWB...

Page 54: ...uffer output enable signal Inclination sensor signal detection unused TMDS receiver CTL3 signal TMDS receiver CTL2 signal TMDS receiver CTL1 signal DVI I for analog Ch EEPROM A2 address detection BUSY...

Page 55: ...ting separate table 1 P_ID3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 P_ID2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 P_ID1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 P_ID0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Panel clock Panel maker HI...

Page 56: ...th band of 300MHz 7 Voltage converter AC264V range adjustable 8 Auto adjustment inspection machine Which is provided from Nagasaki 9 Isolation resistance tester YOKOGAWA TYPE3213 or equivalent 10 Isol...

Page 57: ...tton and select the adjustment item with CONTROL button Factory mode For factory adjustment How to enter Factory mode To enter the factory adjustment mode press front keys in order of DOWN DOWN UP UP...

Page 58: ...T M D S Data 0 4 N C 19 T M D S Data 0 Shield 5 N C 20 N C 6 DDC Clock 21 N C 7 DDC Data 22 T M D S Data Clock Shield 8 Analog Vertical Sync 23 T M D S Data Clock 9 T M D S Data 1 24 T M D S Data Clo...

Page 59: ...should not be in contact with high temperature components 4 Metal parts should have no scratch remarkable stain dent or bend 5 Liquid crystal display should not be scratched or contaminated 6 There s...

Page 60: ...Pivot Display top unit should move properly without abnormal sound such as clattering or squeaking when it is moved as Picture B below Confirm that display top unit can be compensated by pivot adjust...

Page 61: ...TIVE or sRGB COLOR CONTROL All of R Y G C B M and S should be 0 CENTER Before aging signal is input for confirmation of each operation switch operation Moreover unless particularly designated Timing N...

Page 62: ...nt 1 Input timing No 14 60kHz 75Hz XGA75 with signal generator then set pattern to full white and video signal level to 0 7V 2 Select GAIN with OSM and press button Automatic adjustment of GAIN 2 6 2...

Page 63: ...800x600 56 Hz 800x600 60 Hz 800x600 72 Hz 800x600 75 Hz 832x624 75 Hz 1024x768 60 Hz 1024x768 70 Hz 1024x768 75 Hz Standard Timing 1 NOT USED Standard Timing 2 NOT USED Standard Timing 3 NOT USED Sta...

Page 64: ...1E 3C 08 00 0A 20 20 20 20 20 20 00 00 00 FC 00 4E 45 43 20 4C 43 44 31 35 35 30 58 0A 00 00 00 FF 00 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 00 CS SN Serial number WW Week of Manufacture YY Year of M...

Page 65: ...OT USED Standard Timing 2 NOT USED Standard Timing 3 NOT USED Standard Timing 4 NOT USED Standard Timing 5 NOT USED Standard Timing 6 NOT USED Standard Timing 7 NOT USED Standard Timing 8 NOT USED Det...

Page 66: ...4 10 00 00 18 00 00 00 FD 00 32 4B 1E 3C 08 00 0A 20 20 20 20 20 20 00 00 00 FC 00 4E 45 43 20 4C 43 44 31 35 35 30 58 0A 00 00 00 FF 00 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 S2 00 CS SN Serial number W...

Page 67: ...tion timing with signal generator Set the pattern to 1 dot zigzag grid with frame Change the adjustment value of CLOCK intentionally and select AUTO ADJUST with OSM Confirm that the picture is put bac...

Page 68: ...the abnormality is never seen when AC1500V is applied for two seconds across AC earth GND pin to chassis GND Cut off current must be 10mA 2 8 1 11 Ground resistance Confirm that the resistance must b...

Page 69: ...al check Top bottom left and right of the frame must be seen 4 6 10 14 DVI A Picture position difference Frame Visual check Top bottom left and right of the frame must be seen 14 DVI D Digital noise H...

Page 70: ...ut the confirmation timing with signal generator and set the picture pattern to full white 0 7Vp p Measure the luminance and color coordination with a luminance meter and confirm that the values are a...

Page 71: ...turning OFF the back light 5 Appearance inspection when turning ON the back light 2 9 1 2 Environment for inspection 1 Surrounding temperature must be 25 Scope of inspection 2 The outer light except f...

Page 72: ...olored dots should be counted Note 1 Note 2 Note 3 Note 8 9 1 The defective part over 30 compare to area of 1 dot is regarded as a dot defect 2 When the picture pattern is set to black the luminance m...

Page 73: ...ote 4 The dots for composing 2 horizontal combinations of R G shall be excluded from counting Note 5 Adjacent same colored bright dot defects To be counted as NG Not to be counted as NG R R R R R G 6...

Page 74: ...ects of or in an area of 5 x 5 pixels To be counted as NG 5 5 pixels 5 5 pixels R G R G R G R G There should be no approach of s or in an area of 5 5 pixels There should be no approach of s or As in a...

Page 75: ...T j RESOLUTION NOTIFIER MAX 220 CENTER 128 CENTER 64 NATIVE 0 0 0 0 0 0 0 FIRST DETECT DIGITAL ENGLISH CENTER 50 CENTER 50 45SEC OFF OFF MODEL NAME at FACTORY MODE LCD1550X 2 10 2 Checking the labels...

Page 76: ...23 160 16 16 800 75 00 Lines 13 33 625 0 06 3 0 02 1 0 45 21 12 80 600 P P 11 XGA60 65 00 48 36 Dots 20 68 1344 2 09 136 0 37 24 2 46 160 15 75 1024 60 00 Lines 16 67 806 0 12 6 0 06 3 0 60 29 15 88...

Page 77: ...anges to higher color temperature Changes color temperature 5000K 9600 K 7500K sRGB 6500K sRGB sRGB COLOR 5 5000K Changes to lower color temperature Changes to higher color temperature Changes color t...

Page 78: ...t touch of a button to shut off OSM control menu The preset choices are 10 20 30 45 60 and 120 seconds 45 SEC OSM LOCK OUT Enters into sub menu Locks out cancels OSM control Press both control keys fo...

Page 79: ...nges to higher color temperature Changes color temperature 5000K 9600K 7500K sRGB 6500K sRGB sRGB COLOR 5 5000K Changes to lower color temperature Changes to higher color temperature Changes color tem...

Page 80: ...00 220 220 DIMMER CONTROL DIMMER Changes to lower BRIGHT LIMIT MAX Changes to higher BRIGHT LIMIT MAX BRIGHT LIMIT MAX when thermal control is completed BRIGHT MIN to BRIGHT MAX 110 DIMMER CONTROL DIM...

Page 81: ...EEPROM write protect for EDID Effective ON Ineffective OFF Initialize with AC Power OFF of monitor ON ON POWER SAVE ON OFF Power save mode Effective ON Ineffective OFF OFF Note 1 Setting values are di...

Page 82: ...3 TROUBLE SHOOTING Contents No Power No Picture Abnormal Picture or Ineffective Adjustment 1 2 3 Page 1 2 4...

Page 83: ...Inverter Inverter Inverter Inverter Inverter Control circuit fuse Controller IC 5V chopper IC Controller IC Controller IC Output Tr Output Tr Output Tr Output Tr Output trans Output trans IC608 Q602 I...

Page 84: ...verter Inverter Inverter Inverter Inverter Inverter Inverter Inverter Inverter Inverter MC Output Tr Output Tr Output Tr Output Tr Output trans Output trans 12V OVP Tr 12V OVP zener diode Output F B z...

Page 85: ...DVI A Tr DVI A Tr Digital signal receiver IC ASIC EEPROM for Adjustment MPU Q600 IC102 Control circuit may have any problem Please check the parts below MAIN Power MC PANEL 5V ON OFF Tr MPU IC610 LCD...

Page 86: ...s Vs CS S G Hs S G Vs A2 5V generator IC ASIC EEPROM for adjustment MPU MAIN Power MC MC MC MC MC INPUT INPUT INPUT Sync Sync A5V generator IC DDC circuit IC DDC circuit IC EEPROM DDC DVI EEPROM DDC D...

Page 87: ...Timing No 14 refer to 2 12 Timing chart in Adjustment procedure 2 Display pattern Full White raster 3 Condition Brightness MAX Contrast CENTER 1 POWER 2 PWB MAIN POWER 3 PWB MAIN INPUT 4 PWB MAIN SYN...

Page 88: ...SCHEMATIC DIAGRAM POWER LCD1550X Normal Power Save 1ch Pin 4 2ch Pin 1 3ch Pin 2 4ch Pin 5...

Page 89: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X...

Page 90: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X...

Page 91: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X...

Page 92: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X...

Page 93: ...SCHEMATIC DIAGRAM PWB MAIN MC LCD1550X MAIN TMDS MAIN POWER MAIN ASIC MAIN INPUT MAIN TMDS MAIN INPUT MAIN SYNC MAIN INPUT MAIN INPUT MAIN ASIC...

Page 94: ...7 IC102 8 IC102 9 IC102 10 IC102 11 IC102 12 IC102 13 IC102 14 IC102 15 IC102 16 IC102 17 IC102 18 IC102 19 IC102 20 IC102 21 IC102 22 IC102 23 IC102 24 IC102 25 IC102 26 IC102 27 IC102 28 IC102 29 IC...

Page 95: ...2 47 IC102 48 IC102 49 IC102 50 IC102 51 IC102 52 IC102 53 IC102 54 IC102 55 IC102 56 IC102 57 IC102 58 IC102 59 IC102 60 IC102 61 IC102 62 IC102 63 IC102 64 IC102 65 IC102 66 IC102 67 IC102 68 IC102...

Page 96: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X...

Page 97: ...SCHEMATIC DIAGRAM INVERTER LCD1550X 1ch Q701 B 2ch Q702 B...

Page 98: ...SCHEMATIC DIAGRAM PWB SW LCD1550X...

Page 99: ...5 Schematic diagram 1 POWER 2 PWB MAIN POWER 3 PWB MAIN INPUT 4 PWB MAIN SYNC 5 PWB MAIN TMDS 6 PWB MAIN MC 7 PWB MAIN ASIC 8 INVERTER 9 PWB SW...

Page 100: ...SCHEMATIC DIAGRAM POWER LCD1550X...

Page 101: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X...

Page 102: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X...

Page 103: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X...

Page 104: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X...

Page 105: ...SCHEMATIC DIAGRAM PWB MAIN MC LCD1550X...

Page 106: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X...

Page 107: ...SCHEMATIC DIAGRAM INVERTER LCD1550X...

Page 108: ...SCHEMATIC DIAGRAM PWB SW LCD1550X...

Page 109: ...HOLDER PCB LEAD CONNECTOR PJ SHIELD COVER COVER REAR INSULATOR BOTTOM INSULATOR TOP COVER POWER COVER CABLE COVER VESA COVER VESA COVER HINGE UP STAND UNIT BASE UNIT PLATE SV UNIT WASHER SV PWB POWER...

Page 110: ...BLE DVI A AC POWER CORD MASKING TAPE PACKING SHEET SHEET CAUTION EU Version only ACCESSORY FRONT PACKING CASE CUSHION SET BOTTOM DISPLAY MONITOR CUSHION SET TOP PACKING BAG SHIPPING LABEL FRONT CARTON...

Page 111: ...on shown below Ex Rating label Model name LCD1550X Manufactured Year 0 to 9 Last digit Manufactured Month 01 to 12 Control Code 0 to 9 or A to Z It is possible to use fixed no for same destination if...

Page 112: ...VSPF A028 Technical Specification For 15 TFT COLOR LCD MONITOR Model Name MultiSync LCD1550X LCD1550X LCD1550X BK DATE Oct 4 2001 Drawn by Checked by NEC MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION...

Page 113: ...ecification and this specification this specification is given priority Design and Specifications are subject to change without notice Rev Date Page Description Approved Inspected Drawn NOTE USE RESTR...

Page 114: ...setup function 9 5 Screen Performance 10 5 1 Test condition 10 5 2 Luminance 10 5 3 Color temperature 11 5 4 Geometry 11 5 5 Rotations 11 6 Mechanical Specifications 12 6 1 Cabinet Tilt Base 12 6 2 Ra...

Page 115: ...550X color monitor supports the VGA SVGA non interlaced XGA Apple Macintosh family and the other VESA compatible graphics adapters The LCD1550X color monitor has a maximum horizontal resolution of 102...

Page 116: ...mpedance 75Ohm Composite level Posi Nega Composite sync on Green Video 0 3Vp p Nega video 0 7Vp pPosi Sync Separate level Posi Nega Input Mini D sub 15Pin DVI I Analog and digital Signal Cable DVI I A...

Page 117: ...X AC Leakage current 3 5mA Inrush current cold start 50A 0 p AC100V 90A0 p AC240V 3 4 Power management This function conforms DPMS of VESA and International Energy Star Office Equipment program Table...

Page 118: ...djustment Color1 Default Color 9300K Custom 5000k to 9600k Color2 Default Color 8200K Custom 5000k to 9600k Color3 Default Color 7500K Custom 5000k to 9600k sRGB Default Color 6500K Color5 Default Col...

Page 119: ...ect Left and select Right and hold down simultaneously 4 4 Input Signal Connectors 4 4 1 Analog Video Input 15 pin mini D sub Table 3 Pin assignment for analog video input connector PIN NO Separate Sy...

Page 120: ...dix 2 for EDID data 4 6 Other functions 4 6 1 Expand function This monitor can expand the input image when smaller resolution than 1024 768 is input and the expanding ratio is selected by the micro pr...

Page 121: ...ance meter Topcon BM5 BM 7 Prichard 1980A or same equivalent 5 2 Luminance Luminance more than 160 cd m2 L3 Center point of TFT panel Uniformity more than 65 L min L max 100 Contrast More than 160 not...

Page 122: ...erature NATIVE X 0 310 0 03 0 03 Y 0 340 0 03 0 03 COLOR setting Custom 5000k 9600k 5 4 Geometry 5 5 Rotations Display area BEZEL L2 L3 L1 L4 L1 L2 L3 L4 0mm Display area H1 H2 BEZEL H3 H4 h2 h3 h1 h4...

Page 123: ...4A US White Fig 4A BK US Black Fig 4B EU 6 3 Carton box Paper material double wall corrugated fiberbord Carton box print See Fig 6A US White Fig 6A BK US Black Fig 6B EU Outer Dimension W 426 mm H 48...

Page 124: ...Test Axis 3axis Search frequency 5 to 200 to 5Hz Sweep time 2 minutes Acceleration 4 91m s2 0 5G zero to peak Dwelling time 5 minutes for each resonant point of each 3axis Mounting Fixed firmly on the...

Page 125: ...i glare treatment of the front polarizer Horizontal 80 to 80 degrees CR 10 2 Viewing Angle Typical Vertical 80 to 80 degrees CR 10 2 Contrast ratio 300 1 typ Luminance 250 typ Unit cd m2 1 Rise time T...

Page 126: ...dule Eye point note 3 Definition of response time is as follows When the display data is changed from white to black response time is measured 0 10 90 100 ton toff Black White Luminance note 4 Judge p...

Page 127: ...16 Document No VSPF A028 Bave Average brightness of 1 to 9 10 50 90 90 10 50 5 1 2 3 6 9 8 7 4...

Page 128: ...nspection with lighting screen Outside light 500lux for inspection with lighting screen 1000lux for inspection with non lighting screen Brightness control is at its maximum point Distance 300mm refer...

Page 129: ...er Nearby in 5X5 pixels 0 pcs Notes 8 Total Luminous dot R G B Dark dot R G B 4 Total Fault Total Luminous G Dots 4 pcs Mura with line shaped contrast Mura Stain No Perceptible at full white Notes 11...

Page 130: ...ed as linked two or more adjacent defect dots 6 Average Diameter defined as follows a b D Average Diameter D a b 2 Definition of defect dot Defect area is out of 1 3 dot size Defect size is confirmed...

Page 131: ...iteria Adjacent 3 bright dots Note3 etc NG Adjacent 3 dark dots Note3 etc NG Combination of bright and dark dots Note3 etc Allowed Note 4 Defect dots which make up and A R G horizontal adjacent are no...

Page 132: ...t dot exist in 5X5 pixels the set of the dot defect are counted as 1 cluster etc 2 cluster Note 8 Example of Adjacent 2 dots A in 5X5 pixels are as follows Bright dot Dark dot Count Criteria Allowed N...

Page 133: ...ility that dirt from cloth may adhere to the surface of panel Use a clean cloth only A pressure onto the surface of protection panel may cause the obstruction for display 4 An atmosphere with high hum...

Page 134: ...23 Document No VSPF A028 Appendix I Preset Signal Timings H total H pulse H front H back Horizontal V total V pulse V front V back V active Vertical H Video H active V Video...

Page 135: ...DPMS Suspend YES DPMS Active Off YES GTF Support NO Standard Default Color Space YES Preferred Timing Mode YES Display Type RGB Color Color Gamma 2 20 Red x 0 620 Red y 0 340 Green x 0 290 Green y 0...

Page 136: ...Hz Minimum Horizontal Rate 30 kHz Maximum Horizontal Rate 60 kHz Maximum Pixel Clock 80 MHz GTF Data 00 0a 20 20 20 20 20 20 Monitor Name block 3 NEC LCD1550X Monitor Serial Number block 4 S2 SN Seri...

Page 137: ...dard Default Color Space YES Preferred Timing Mode YES Display Type RGB Color Color Gamma 2 20 Red x 0 620 Red y 0 340 Green x 0 290 Green y 0 600 Blue x 0 150 Blue y 0 100 White x 0 310 White y 0 340...

Page 138: ...75 Hz Minimum Horizontal Rate 30 kHz Maximum Horizontal Rate 60 kHz Maximum Pixel Clock 80 MHz GTF Data 00 0a 20 20 20 20 20 20 Monitor Name block 3 NEC LCD1550X Monitor Serial Number block 4 S2 SN S...

Page 139: ...600 P AP 8 SVGA60 40 00 37 88 Dot 26 40 1056 3 20 128 1 00 40 2 20 88 20 00 800 60 32 Line 16 58 628 0 11 4 0 03 1 0 61 23 15 84 600 P AP 9 SVGA72 50 00 48 08 Dot 20 80 1040 2 40 120 1 12 56 1 28 64 1...

Page 140: ...e to Power due to Power due to Power Consumption Consumption Consumption Consumption less than 50W less than 50W less than 50W less than 50W AS NZS 3548 EMC Framework AS NZS 3548 EMC Framework AS NZS...

Page 141: ...STAND APPROX 6 0 kg WITHOUT STAND APPROX 3 5 kg 345 2 305 8 229 8 221 5 27 5 60 7 37 2 198 8 3 242 21 5 307 CONTROL SWITCH POWER ON INDICATION POWER SWITCH 45 4 AC POWER CONNECTOR RATING LABEL CAUTION...

Page 142: ...TRANSPARENCY COLOR OF LETTERING PURPLE Pantone 254 BLACK 12 Ambix LABEL COLOR OF MATERIAL SILVER COLOR OF LETTERING BLUE Pantone 2728 BLACK 19 12 3 Ambix LABEL 3 3 BADGE LOGO SIZE 24 x 6 mm Pivot LABE...

Page 143: ...ION OF REAR LOGO SCALE 1 3 DIMENSION IN mm Fig 3A RATING LABEL CAUTION LABEL SECURITY KEY LOCK HOLE LOGO SIZE 80 x 20 mm LOGO SIZE 32 x 8 mm 27 5 AC POWER CONNECTOR D SUB DB9 15P INPUT CONNECTOR DVI I...

Page 144: ...LCD1550X RATING LABEL SCALE 1 1 DIMENSION IN mm 99 5 0 5 90 5 0 5 4 R1 BACK GROUND COLOR CABINET COLOR MIST WHITE LETTERING COLOR DARK REAL GRAY 8505 Fig 4A...

Page 145: ...X CARTON BOX COLOR OF MATERIAL KRAFT COLOR BROWN SCALE 1 8 DIMENSION IN mm Fig 5A FRONT 2 9 0 4 2 6 480 OUTER DIMENSION INNER DIMENSION 416 W x 460 H x 280 D 285 421 142 5 142 5 470 JOINT FLAP 285 421...

Page 146: ...LCD1550X PRINTING SPECIFICATION OF CARTON BOX COLOR OF PRINTING BLACK SCALE 1 6 DIMENSION IN mm Fig 6A MARK OF BOX CERTIFICATION FRONT SERVICE CODE BAR CODE LABEL...

Page 147: ...ION PACKING BAG BAR CODE LABEL SIGNAL CABLE DVI D SIGNAL CABLE DVI A FRONT CARTON TAPE CARTON TAPE SETUP SHEET MASKING TAPE POWER CORD MASKING TAPE PACKING SHEET BROCHURE LiquidView FRONT COVER OF USE...

Page 148: ...X POWER CORD 1 CABLE SIZE AWG18X3C 2 JACKET PVC 3 COLOR LIGHT GRAY 4 ABILITY 1 VOLTAGE AC 125V 2 AMPERAGE AC 10A 3 TEMPERATURE 60 C 5 REGULATORY APPROVALS UL CSA SCALE NTS DIMENSION IN mm Fig 8A About...

Page 149: ...e sync with Green video Green Gnd Blue video Blue Gnd Gnd Gnd H sync or Composite sync Sync Gnd Serial data DDC Gnd Serial clock V sync V clock SCREW No 4 40 UNC Color Royal Blue Pantone 661C Color Li...

Page 150: ...ound for 5V Hot Plug Detect T M D S Data 0 T M D S Clock Shield T M D S Data 2 T M D S Data 2 4 Shield T M D S Data 1 T M D S Data 1 3 Shield T M D S Data 0 T M D S Data 0 5 Shield T M D S Clock T M D...

Page 151: ...LCD1550X USER S MANUAL SCALE NTS DIMENSION IN mm LANGUAGE English French MATERIAL RECYCLE PAPER WHITE LETTERING COLOR BLACK Fig 10A 216 140...

Page 152: ...LCD1550X BROCHURE LiquidView SCALE NTS DIMENSION IN mm Fig 11A FRONT REAR FINAL CONDITION 420 297...

Page 153: ...MATERIAL RECYCLE PAPER WHITE LETTERING COLOR BLACK LCD1550X SETUP SHEET SCALE NTS DIMENSION IN mm Fig 12A 210 297 FRONT REAR...

Page 154: ...o Model Name CODE39 Serial No CODE39 UPC Code REV No Model Name CODE39 Serial No CODE39 Model Name CODE39 CODE39 Product Code Serial No Not Space CODE39 Model Code Serial No Space 3 Letters CODE39 90...

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Page 180: ...X0 8 C 202 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 203 CP141P518 01 C CERAMIC CHIP B6 3V_106 K 2 0X1 25 C 204 CP156P062 09 C CERAMIC CHIP B50V 472 K 1 6X0 8 C 205 CP182P070 01 C ELE CHIP 6 3V...

Page 181: ...C CHIP B16V 104 K 1 6X0 8 C 417 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 418 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 419 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 420 CP156P060...

Page 182: ...CP182P093 04 C ELE CHIP 16V 100MH F55 C 602 CP156P060 02 C CERAMIC CHIP B50V 103 K 1 6X0 8 C 603 CP156P060 02 C CERAMIC CHIP B50V 103 K 1 6X0 8 C 604 CP182P094 06 C ELE CHIP 25V_470M M C 605 CP156P060...

Page 183: ...M ECQU2A334ML C 903 CP185P044 01 C ELE KXW400V 150MF LCD1550X C 904 CP156P110 09 C CERAMIC AC E 2200P M KX C 905 CP156P110 09 C CERAMIC AC E 2200P M KX C 906 CP155P363 07 C CERAMIC 2KV_330P J LCD1550...

Page 184: ...711 CP264P380 01 DIODE 1SS355TE 17 D 715 CP264P380 01 DIODE 1SS355TE 17 D 716 CP264P380 01 DIODE 1SS355TE 17 D 717 CP264P426 07 DIODE ZENER CHIP UDZS TE 17 9 1B DH D 718 CP264P426 07 DIODE ZENER CHIP...

Page 185: ...VH B MI COIL FILTER L 101 CP410P102 01 BEAD FERRITE CHIP BK1608HS121 L 102 CP410P102 04 FERRITE CHIP BK1608HS102 L 103 CP410P102 04 FERRITE CHIP BK1608HS102 L 104 CP410P102 01 BEAD FERRITE CHIP BK1608...

Page 186: ...08HS102 R 109 CP410P102 04 FERRITE CHIP BK1608HS102 TRANSISTOR Q 100 CP260P114 01 TRANSISTOR CHIP 2SA1037AK R Q 101 CP260P114 01 TRANSISTOR CHIP 2SA1037AK R Q 102 CP260P339 01 TRANSISTOR DTC114EUA Q 1...

Page 187: ...P103P497 01 R CHIP 1 16W 0 JUMPER R 135 CP103P497 01 R CHIP 1 16W 0 JUMPER R 136 CP103P491 06 R CHIP 1 16W 100 J R 137 CP103P491 06 R CHIP 1 16W 100 J R 138 CP103P494 04 R CHIP 1 16W 22K J R 139 CP103...

Page 188: ...J R 217 CP103P101 06 R CARBON CHIP 1 10W 100 J R 218 CP103P493 06 R CHIP 1 16W 4 7K J R 219 CP103P493 06 R CHIP 1 16W 4 7K J R 220 CP103P101 06 R CARBON CHIP 1 10W 100 J R 221 CP103P491 06 R CHIP 1 16...

Page 189: ...J R 299 CP104P006 07 R CHIP 1 16W 5 6K F 1 6X0 8 R 300 CP103P491 06 R CHIP 1 16W 100 J R 301 CP104P006 07 R CHIP 1 16W 5 6K F 1 6X0 8 R 302 CP103P494 01 R CHIP 1 16W 10K J R 303 CP103P492 01 R CHIP 1...

Page 190: ...04P007 05 R CHIP 1 16W 12K F 1 6X0 8 R 412 CP103P491 06 R CHIP 1 16W 100 J R 413 CP103P492 08 R CHIP 1 16W 1 0K J R 414 CP103P490 04 R CHIP 1 16W 10 J R 415 CP103P492 01 R CHIP 1 16W 220 J R 419 CP103...

Page 191: ...CP103P494 01 R CHIP 1 16W 10K J R 538 CP103P493 02 R CHIP 1 16W 2 2K J R 539 CP103P490 04 R CHIP 1 16W 10 J R 602 CP104P003 05 R CHIP 1 16W 270 F 1 6X0 8 R 607 CP104P006 07 R CHIP 1 16W 5 6K F 1 6X0 8...

Page 192: ...1 R METAL 1 2W 680K J R 903 CP103P415 05 R CARBON 1 2W 330K J R 904 QX103P413 05 R CARBON 1 4W 6 8K J 682 RD H R 905 QX103P412 06 R CARBON 1 4W 1 2K J 122 RD H R 906 CP103P170 06 R METAL PLATE 2W 0 33...

Page 193: ...7 01 INSULATOR TOP N 7 T0 5 LCD1550X MI CP223B008 01 INSULATOR BOTTOM N 7 T0 5 LCD1550X MI CP231D013 01 TUBE UL LCD1550X MY CP242C293 02 SIGNAL CABLE SC D801 LCD1550X CP242C294 01 SIGNAL CABLE SC D830...

Page 194: ...OWER CORD MT CP720B107 01 BEZEL UNIT CP700A270 1 LCD1550X US MI CP802C393 01 PACKING CASE LCD1550X US CP859C233 01 ACCESSORY CP871C190 9 LCD1550X US LCD1550X EU CP242C289 02 AC POWER CORD MT CP242C290...

Page 195: ...6X0 8 C 202 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 203 CP141P518 01 C CERAMIC CHIP B6 3V_106 K 2 0X1 25 C 204 CP156P062 09 C CERAMIC CHIP B50V 472 K 1 6X0 8 C 205 CP182P070 01 C ELE CHIP 6 3...

Page 196: ...C CHIP B16V 104 K 1 6X0 8 C 417 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 418 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 419 CP156P060 03 C CERAMIC CHIP B16V 104 K 1 6X0 8 C 420 CP156P060...

Page 197: ...1 6X0 8 C 601 CP182P093 04 C ELE CHIP 16V 100MH F55 C 602 CP156P060 02 C CERAMIC CHIP B50V 103 K 1 6X0 8 C 603 CP156P060 02 C CERAMIC CHIP B50V 103 K 1 6X0 8 C 604 CP182P094 06 C ELE CHIP 25V_470M M C...

Page 198: ...M ECQU2A334ML C 903 CP185P044 01 C ELE KXW400V 150MF LCD1550X C 904 CP156P110 09 C CERAMIC AC E 2200P M KX C 905 CP156P110 09 C CERAMIC AC E 2200P M KX C 906 CP155P363 07 C CERAMIC 2KV_330P J LCD1550...

Page 199: ...711 CP264P380 01 DIODE 1SS355TE 17 D 715 CP264P380 01 DIODE 1SS355TE 17 D 716 CP264P380 01 DIODE 1SS355TE 17 D 717 CP264P426 07 DIODE ZENER CHIP UDZS TE 17 9 1B DH D 718 CP264P426 07 DIODE ZENER CHIP...

Page 200: ...VH B MI COIL FILTER L 101 CP410P102 01 BEAD FERRITE CHIP BK1608HS121 L 102 CP410P102 04 FERRITE CHIP BK1608HS102 L 103 CP410P102 04 FERRITE CHIP BK1608HS102 L 104 CP410P102 01 BEAD FERRITE CHIP BK160...

Page 201: ...08HS102 R 109 CP410P102 04 FERRITE CHIP BK1608HS102 TRANSISTOR Q 100 CP260P114 01 TRANSISTOR CHIP 2SA1037AK R Q 101 CP260P114 01 TRANSISTOR CHIP 2SA1037AK R Q 102 CP260P339 01 TRANSISTOR DTC114EUA Q 1...

Page 202: ...P103P497 01 R CHIP 1 16W 0 JUMPER R 135 CP103P497 01 R CHIP 1 16W 0 JUMPER R 136 CP103P491 06 R CHIP 1 16W 100 J R 137 CP103P491 06 R CHIP 1 16W 100 J R 138 CP103P494 04 R CHIP 1 16W 22K J R 139 CP103...

Page 203: ...J R 217 CP103P101 06 R CARBON CHIP 1 10W 100 J R 218 CP103P493 06 R CHIP 1 16W 4 7K J R 219 CP103P493 06 R CHIP 1 16W 4 7K J R 220 CP103P101 06 R CARBON CHIP 1 10W 100 J R 221 CP103P491 06 R CHIP 1 16...

Page 204: ...J R 299 CP104P006 07 R CHIP 1 16W 5 6K F 1 6X0 8 R 300 CP103P491 06 R CHIP 1 16W 100 J R 301 CP104P006 07 R CHIP 1 16W 5 6K F 1 6X0 8 R 302 CP103P494 00 R CHIP 1 16W 10K J R 303 CP103P492 00 R CHIP 1...

Page 205: ...04P007 05 R CHIP 1 16W 12K F 1 6X0 8 R 412 CP103P491 06 R CHIP 1 16W 100 J R 413 CP103P492 08 R CHIP 1 16W 1 0K J R 414 CP103P490 04 R CHIP 1 16W 10 J R 415 CP103P492 00 R CHIP 1 16W 220 J R 419 CP103...

Page 206: ...CP103P494 00 R CHIP 1 16W 10K J R 538 CP103P493 02 R CHIP 1 16W 2 2K J R 539 CP103P490 04 R CHIP 1 16W 10 J R 602 CP104P003 05 R CHIP 1 16W 270 F 1 6X0 8 R 607 CP104P006 07 R CHIP 1 16W 5 6K F 1 6X0 8...

Page 207: ...1 R METAL 1 2W 680K J R 903 CP103P415 05 R CARBON 1 2W 330K J R 904 QX103P413 05 R CARBON 1 4W 6 8K J 682 RD H R 905 QX103P412 06 R CARBON 1 4W 1 2K J 122 RD H R 906 CP103P170 06 R METAL PLATE 2W 0 33...

Page 208: ...AIN MI CP210B096 01 LAYER CP210P002 PWB POWER MI CP210B097 01 LAYER CP210P001 PWB INV MI CP210C100 01 LAYER CP210P002 PWB SW MI CP223B007 01 INSULATOR TOP N 7 T0 5 LCD1550X MI CP223B008 01 INSULATOR B...

Page 209: ...EW SEMS W M4X0 7 16 QX669D220 02 SCREW TB 3X8 LCD1550X BK US CP242C229 07 AC POWER CORD MT CP720B107 03 BEZEL UNIT CP700A270 2 LCD1550X US MI CP802C393 02 PACKING CASE LCD1550X US CP859C233 01 ACCESSO...

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