NEC NP-NC900C-A Service Manual
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NEC NP-NC900C-A Service Manual

Dlp cinema projector
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DLP Cinema
Projector
SERVICE MANUAL
Copyright
2. Spacifications
5. Key part replacement
(Method of disassembly/Photo taken from life)
8. Adjustment matrix
11. Circuit description
Back cover
Better Service
Better Reputation
Better Profit
Contents
3. User's Manual
6. Method of disassembly
(Illustration/Photo taken from life)
9. Program setting and
software download
12. Part list
SAFETY CAUTION:
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 isolation transformer when servicing.
NEC DISPLAY SOLUTIONS, LTD.
MODEL NP-NC900C-A
NP-NC900C-A+
PART No. 3N9911183 (3rd Edition)
1. Safety precautions
4. Troubleshooting
7. Disassembly
(IllustrationPhoto taken from life)
10. Setting & adjustment
13. Block diagram

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Summary of Contents for NEC NP-NC900C-A

  • Page 1 SAFETY CAUTION: 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 isolation transformer when servicing. NEC DISPLAY SOLUTIONS, LTD.
  • Page 2 (1) Copyright (C) NEC Display Solutions, Ltd. All Rights Reserved. This document contains confidential information. Unauthorized copying, duplication, distribution, or republication is strictly prohibited. (2) The contents of this manual are subject to change without prior notice.

  • Page 3: Table Of Contents

    Color Band Adjust ............................10-8 Color Calibration Adjust ..........................10-10 Focus Adjust ............................... 10-14 CIRCUIT DESCRIPTION ...........................11-1 CPU PWB Circuit Operation ..........................11-1 MOTOR PWB Circuit Operation ........................11-5 PART LIST ................................ 12-1 NP-NC900C-A .............................. 12-1 NP-NC900C-A+ ............................12-9 BLOCK DIAGRAM ............................13-1...

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This symbol warns the user that uninsulated voltage within the unit may have sufficient magnitude to cause electric shock.
  • Page 5 SAFETY PRECAUTIONS During servicing carefully observe the following. 5. LAMP Be very careful of the lamp because it generates high 1. OBSERVE ALL PRECAUTIONS heat while it is used at high voltage. When replacing Items and locations that require special care during the bulb, make sure it is cool enough.
  • Page 6 SAFETY PRECAUTIONS MAINTENANCE 1. Cleaning the projector 1-1 Cleaning the Cabinet Refer to the following guide to clean the projector cabinet. a. Wipe off dust with a clean dampened cloth. b. Moisten the cloth with warm water and mild detergent and wipe the cabinet. c.

  • Page 7: Specifications

    Operating humidity: 10 to 85% (non-condensing) Storage temperature: –10 to 50°C Environment Storage humidity: 10 to 85% (non-condensing) Operating altitude: 0 to 3000m/9800 feet (1600m/5500 feet to 3000m/9800 feet: Set “Fan Speed Mode” to “High Altitude”) “Confidential, Do Not Duplicate without written authorization from NEC.”...

  • Page 8: Fan Location

    FAN13 79TY1161(AFB1212H-SM09) FAN E-5P POWER IN FAN14 79TY1141(AFB1212HHE-CF00) CTL 3P NEC MUDULE OUT FAN15 79TY1191(AFB-0612HC-F00) FAN D-3P DMD R FAN16 79TY1151(AFB1212H-SM09) FAN E-5P POWER IN ICP FAN 79TY1181(EFB0512HA-F00) On CPU Board “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 9 = 2 count = 3 show lamp failed ignition failed ignition error msg failed ignition Avoid condensing Interrupt AC then turn on lamp turn on lamp instant turn on lamp “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 10 = 0 count = 1 count = 2 delay cooling 20s failed ignition failed ignition succeeded ignition Avoid condensing turn on lamp turn on lamp Interrupt AC then instant turn on lamp “Confidential, Do Not Duplicate without written authorization from NEC.”...

  • Page 11: Troubleshooting

    COM4 which is the corresponding RS232 port connecting to the slave MCU. Figure 1: Serial port setting of Tera Term Setup the terminal of Tera Term with menu item “Setup/Terminal…” as figure 2. Figure 2: Terminal setting of Tera Term “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 12 Key in “op demsg = 1”, then system will feedback “OP DEMSG = 1”. Step2. Next, key in “op r_err”, and then it will show 3 error codes. And, the first error code will be the current root cause of defective symptom. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 13 - The Slave MCU asserts the ALERT signal. - The Master should send query command to Slave to get error code back. - The Slave MCU waiting Master’s instruction to execute following operation. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 14 Reserve Other Possible Failure: Extended GPIO control failure Lamp init failure Lamp ignition failure Ballast communication failure Fan init failure (may caused by I2C bus issue) I2C communication failure “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 15 TROUBLESHOOTING Process pre-caution and error sequence: CPU PWB Slave uC PWB Update Pre-caution bits and Notify Process Power off and Lamp off only Sequence: CPU PWB Slave uC PWB “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 16 Wait 3s Lit? State = Get Response Stand by? Every 5s Check if Timer > 90s then reset slave MCU Power Pre-cooling Button? Retry? Count Lamp mode > 10? - off? Error “Confidential, Do Not Duplicate without written authorization from NEC.”...

  • Page 17: Troubleshooting & Error Code

    ErrMsgFan3DriverError Bit 3 ErrMsg12VOverSpec[7] Bit 3 ErrMsgFan4DriverError Bit 4 ErrMsgBallast1UartError Bit 4 ErrMsgFan5DriverError Bit 5 ErrMsgBallast2UartError Bit 5 ErrMsgFan6DriverError Bit 6 ErrMsgFanInitError Bit 6 ErrMsgFan7DriverError Bit 7 ErrMsgExGpioFail Bit 7 ErrMsgFan8DriverError “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 18 Check or replace Lamp thermal break. ErrMsgOverTempBallast1 When Blaster temp > 90 in stand by mode or Force ECO mode toggle and Blaster temp > 90 continue 5 mins Check or replace Ballast1 thermal break. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 19 ErrMsgFan15RotateError-Fan15 gets error during projector working. Check and replace fan 15 ErrMsgFan16RotateError-Fan16 gets error during projector working. Check and replace fan 16 When FanX speed < Target speed 80% keep 15 seconds. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 20 When Lamp Door 1 Open toggle and Polling time is 500ms. Check the lamp1 door. ErrMsgLamp2DoorOpen When Lamp Door 2 Open toggle and Polling time is 500ms. Check the Lamp2 door. “Confidential, Do Not Duplicate without written authorization from NEC.” 4-10...
  • Page 21 ErrMsgFan8DriverError- Check or replace Fan Driver C board. ErrMsgFan9DriverError- Check or replace Fan Driver B board. ErrMsgFan10DriverError- Check or replace Fan Driver B board. ErrMsgFan11DriverError- Check or replace Fan Driver E board “Confidential, Do Not Duplicate without written authorization from NEC.” 4-11...
  • Page 22 During Lamp off: 4.89ms During Lamp on: 0.471ms b. The error code show up in software. Lamp Door1 Lamp Door1 ErrMsgLampDoorOpen ErrMsgLampDoor1Open ErrMsgLampDoor2Open Close Close Close Open Open Close Open Open “Confidential, Do Not Duplicate without written authorization from NEC.” 4-12...
  • Page 23 > 88 < 86 Error (Force ECO Toggle Temp Clear Temp Mode) Inlet Sensor > 45 < 43 DMD Sensor > 70 < 68 Blaster1&2 Sensor > 90 < 88 “Confidential, Do Not Duplicate without written authorization from NEC.” 4-13...
  • Page 24 - When Slave MCU detected one of above mentioned failure, the Slave MCU will assert the ALERT signal. - There is hardware protection design to cut off the power of ballast 1 and ballast 2 when system occur any one of above mentioned failure. “Confidential, Do Not Duplicate without written authorization from NEC.” 4-14...

  • Page 25: Connection Diagrams Troubleshooting

    Fan14 FAN Speed indication. (Pluse) (5V) Vout Fan voltage out – for Fan3 FAN Speed indication. (Pluse) (5V) Vout Fan voltage out – – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-15...
  • Page 26 I2C communication between uC BD and Fan Driver BD I2C_SDA If FAN actual RPM is out of the programmed value, ALERT pin FAN_Driver BD_Flag goes low. – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-16...
  • Page 27 Unpressed, it is Hi status. (NG, 4.5V +/- 5%) – – Notice!! This pin is connected to a battery. SD_NO_TAMPER_O Don't measure this line by any equipment in board slot-in condition. “Confidential, Do Not Duplicate without written authorization from NEC.” 4-17...
  • Page 28 Photo Diode positive, (input) Normal: 5V/0V: The circuit loop between pin1 & pin2 is opened. Photo Diode positive, (output) Normal: 0V/5V: The circuit loop between pin3 & pin4 is opened. – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-18...
  • Page 29 LCD Module; Read/Write enable signal – LCD_B4 LCD Module Data stream 4 LCD_B6 LCD Module Data stream 6 LCD_B5 LCD Module Data stream 5 – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-19...
  • Page 30 When low status, Buzzer will alert. To Status LED BD (J3) Note: Pin to Pin LED power source. STL2 When low status, R LED will light STL3 When low status, G LED will light “Confidential, Do Not Duplicate without written authorization from NEC.” 4-20...
  • Page 31 5V Input – I2C_SCL I2C communication between uC BD and Fan Driver BD I2C_SDA If Fan actual RPM is out of the programmed value, ALERT pin FAN_Driver BD_Flag goes low. “Confidential, Do Not Duplicate without written authorization from NEC.” 4-21...
  • Page 32 – – J9854 – TACH4 FAN Speed indication. (Pluse)(5V) 12.5V The PWM Fan Voltage input – PWM4 FAN Speed control Output(PWM) – – – – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-22...
  • Page 33 – – – J9811 for Fan8 FAN Speed indication. (Pluse)(5V) Vout Fan voltage out – J9812 for Fan6 FAN Speed indication. (Pluse)(5V) Vout Fan voltage out – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-23...
  • Page 34 Fan voltage out – – – – – – – CN9814 for Fan2 FAN Speed indication. (Pluse)(5V) Vout Fan voltage out – – – – – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-24...
  • Page 35 TROUBLESHOOTING 1-3-5. Fan Driver Board – D side CN9819 CN9818 CN9815 CN9817 CN9816 “Confidential, Do Not Duplicate without written authorization from NEC.” 4-25...
  • Page 36 Fan voltage out – – – – – – – CN9819 for Fan2 FAN Speed indication. (Pluse)(5V) Vout Fan voltage out – – – – – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-26...
  • Page 37 TROUBLESHOOTING 1-3-6. Fan Driver Board – E side CN9821 CN9822 CN9823 CN9820 CN9824 “Confidential, Do Not Duplicate without written authorization from NEC.” 4-27...
  • Page 38 Fan voltage out – – – – – – – CN9824 for Fan11 FAN Speed indication. (Pluse)(5V) Vout Fan voltage out – – – – – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-28...
  • Page 39 Serial data input. Data In is clocked on the rising edge of SCLK. 3.3V The voltage is sent to HORI. SENSOR BD SCLK_H1 System clock input for serial I/O and all internal logic – EE_SDA EEPROM I2C interface (EE_SDA / SCLK_H1). “Confidential, Do Not Duplicate without written authorization from NEC.” 4-29...
  • Page 40 J205 Encoder ZOOM In/Out ; Encoder Focus Near/Far E_Q_ZOOM Zoom Encoder Signal A F_I_ZOOM Zoom Encoder Signal B – F_Q_FCS Focus Encoder Signal A F_I_FCS Focus Encoder Signal B – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-30...
  • Page 41 LCD Module Data stream 6 LCD_B7 LCD Module Data stream 7 VLED LED Module Backlight Power source – – – – – – – – – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-31...
  • Page 42 LCD_E LCD Module; Read/Write enable signal – LCD_B4 LCD Module Data stream 4 LCD_B6 LCD Module Data stream 6 LCD_B5 LCD Module Data stream 5 – – – – – “Confidential, Do Not Duplicate without written authorization from NEC.” 4-32...

  • Page 43: Troubleshooting When Start-Up Failure Occurred

    Slave BD. 3 seconds to start up the projector. An Error indication is given to Refer to the error code table. the LCD. Normal state “Confidential, Do Not Duplicate without written authorization from NEC.” 4-33...

  • Page 44: Troubleshooting When Output Video Is Abnormal

    Check the connections of cables andconnectors between FSB and MOTHER PWB. Check for the mounting state of ICP or Option Boards. Check the video signal input board. Check the software and firmware versions. “Confidential, Do Not Duplicate without written authorization from NEC.” 4-34...

  • Page 45: Fan Layout

    79TY1161(AFB1212H-SM09) FAN E-5P POWER IN FAN14 79TY1141(AFB1212HHE-CF00) CTL 3P NEC MUDULE OUT FAN15 79TY1191(AFB-0612HC-F00) FAN D-3P DMD R FAN16 79TY1151(AFB1212H-SM09) FAN E-5P POWER IN ICP FAN 79TY1181(EFB0512HA-F00) On CPU Board “Confidential, Do Not Duplicate without written authorization from NEC.” 4-35...

  • Page 46: Error Code List

    Fan Drive board. Fan 11 Stop Fan11 has stopped. Fan 12 Stop Fan12 has stopped. Fan 13 Stop Fan13 has stopped. Fan 14 Stop Fan14 has stopped. “Confidential, Do Not Duplicate without written authorization from NEC.” 4-36...
  • Page 47 ICP system status error Red Satellite Reports Reset ICP system status error Red Satellite Serial Link Error ICP system status error Red Satellite Firmware Configuration Error ICP system status error “Confidential, Do Not Duplicate without written authorization from NEC.” 4-37...
  • Page 48 Enigma is in FIPS error state.(Self test result) SelfTest FPGA Configuration Integrity Error Enigma is in FIPS error state.(Self test result) SelfTest FPGA CineLink. 2 Decryption Integrity Error Enigma is in FIPS error state.(Self test result) “Confidential, Do Not Duplicate without written authorization from NEC.” 4-38...
  • Page 49 Lamp lit status becomes with unexpected state. Started in 2 lamps light-up mode, and succeeded in (It could appear while dual lamp mode.) one lamp activation. In 2 lamps light-up status, only one lamp turned off. “Confidential, Do Not Duplicate without written authorization from NEC.” 4-39...
  • Page 50 • Error output priority order (from the top) 793 Notch Filter Open (J24 = Open) 762 OverTemp.Lamp (J26 = Open) 787 Lamp1 Door Open (J25 = Open) 788 Lamp2 Door Open (J52 = Open) “Confidential, Do Not Duplicate without written authorization from NEC.” 4-40...

  • Page 51: Icp_Leds

    Indicates the status of ICP input port B. Off = No Source Present PORT B Status of Port B Red = TBD Yellow = TBD Green = Active Source Present “Confidential, Do Not Duplicate without written authorization from NEC.” 4-41...

  • Page 52: Key Part Replacement (Method Of Disassembly/Photo Taken From Life)

    Loosen 2 screws and open and take out 2 pcs left outside cover. Torque: 7~8 kgf-cm. left outside cover. Loosen 2 screws on the top cover. Torque: Open and take out the top cover. 7~8 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 53 Loosen 9 screws on the FIP shield cover Loosen 6 screws on the Slave UC BD and and take it off. Torque: 5~6 kgf-cm unplug 22 pcs connectors. Then, take it off. Torque: 5~6 kgf-cm “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 54 3 connectors. Then, take it off. unplug 3 connectors. Then, take it off. Torque: 5~6 kgf-cm Torque: 5~6 kgf-cm Unplug 1 Internet cable on the Router board. Unplug 1 connector on the Router board. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 55 Loosen 4 screws on LED Status Board & LED Buzzer BD. Torque: 5~6 kgf-cm. Unplug 1 connector from security switch board. Put security switch board on the desk. Then, take it off. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 56 Torque: 7~8 kgf-cm Torque: 7~8 kgf-cm. Loosen 2 screws on right inside cover and take the Put right inside cover on the desk. Lamp door switch off. Torque: 1.5~2 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 57 Torque: 7~8 kgf-cm Take the right filter off from the right inside Loosen 4 screws on right inside cover and cover. take the LCD/Keypad/Backlight module off. Torque: 1.5~2 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 58 LCD board. Torque: 1.5~2 kgf-cm. Loosen 3 screws and unplug the 1 pc Put Backlight board on the desk. connector from the Backlight board. Torque: 5~6 kgf-cm. Then, take it off. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 59 Loosen Fan 15 wire from R formatter Pull the R/G/B power cable, B signal cable, board signal cable. heat-sink cable from concave 2. And, pull R/G signal cable, Fan 1 and Fan 15 wire from concave 2. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 60 And, then pull Fan 11 wire from lamp shield. on the FIP bracket shield. Loosen 5 pcs screws on the lamp shield. Take lamp shield off on the desk. Torque: 5~6 kgf-cm “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 61 Loosen 4 screws and then take out Fan 14 board. module. Torque: 5~6 kgf-cm. Loosen 2 screws on the power module. Loosen 7 screws on the control module. Torque: 7~8 kgf-cm Then, take it off. Torque: 7~8 kgf-cm “Confidential, Do Not Duplicate without written authorization from NEC.” 5-10...
  • Page 62 Loosen 2 screws on the Fan 7 module to Loosen 5 screws on the air flow guide cover take it off. Torque: 7~8 kgf-cm. and then take it off. Torque: 7~8 kgf-cm. Take air flow guide cover off. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-11...
  • Page 63 Take the front outside cover off and put it on Torque: 7~8 kgf-cm. the desk. Loosen 2 screws on the front outside cover to take security switch module off. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-12...
  • Page 64 Take interlock board off to put on the desk. take interlock board off. Torque: 1.5~2 kgf-cm. Loosen 4 screws on the interlock board to Put the interlock board on the desk. take it off. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-13...
  • Page 65 Pull the Fan 8 and Fan 6 air window from air Loosen 3 screws on the air flow guide to take it flow guide. off. Torque: 7~8 kgf-cm. Put the air flow guide on the desk. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-14...
  • Page 66 Put FIP bracket shield on the desk. take it off. Torque: 7~8 kgf-cm Unplug R/G/B signal cables from R/G/B Take the R/G/B signal connector module off. formatter board. Put R/G/B signal connector module on the desk. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-15...
  • Page 67 Torque: 6~7 kgf-cm the Fan 9 &10 module. Torque: 5~6 kgf-cm Loosen 3 screws on the Lamp shield to take off the Fan 9 &10 module. Torque: 5~6 kgf-cm “Confidential, Do Not Duplicate without written authorization from NEC.” 5-16...
  • Page 68 Loosen 2 screws on the Fan 4 & 5 module. And, then take off the Fan 4 & 5 module. Torque: 5~6 kgf-cm Loosen 1 screw on the FIP lightpipe. Torque: 2~3 kgf-cm. Loosen 4 screws on the Lamp module. Torque: 5~6 kgf-cm “Confidential, Do Not Duplicate without written authorization from NEC.” 5-17...
  • Page 69 KEY PART REPLACEMENT (Method of disassembly/Photo taken from life) Take off the Lamp module. Loosen 4 screws on the Lens Mount to take it off. Torque: 7~8 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-18...
  • Page 70 Loosen 2 screws on signal connector module, and then take the shield off. And, unplug 6 pcs signal cables from FMT adapter board. Loosen 4 screws on FMT adapter board and take it off. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-19...
  • Page 71 Unplug 6 pcs cables from control module. Loosen 2 screws on third level of control module and take it off. Torque: 1.25~1.75 kgf-cm. Loosen 2 screws on second level of control module and take it off. Torque: 1.25~1.75 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-20...
  • Page 72 KEY PART REPLACEMENT (Method of disassembly/Photo taken from life) Loosen 3 screws on the ICP board and take it off. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-21...
  • Page 73 Loosen 6 inner hexagonal screws on the CPU module to take off shield cover. Torque: 5~6 kgf-cm. Loosen 3 screws on the CPU board. And, then reverse the CPU board. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-22...
  • Page 74 Loosen 2 screws on the Fan 17 module to take Fan 17 off. Torque: 5~6 kgf-cm. Loosen 1 screw on the control module. And, then release 3 pin hooks to take shield cover off. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-23...
  • Page 75 Loosen 6 screws on Slave UC Board. Then, take it off from mother board (Board To Board). Torque: 5~6 kgf-cm Loosen 5 screws on the top cover of control module and release 4 pin hooks to take it off. Torque: 5~6 kgf-cm “Confidential, Do Not Duplicate without written authorization from NEC.” 5-24...
  • Page 76 Loosen 12 screws on two sides of control module. Then, take off 12 screws from control module. Torque: 5~6 kgf-cm Take off two plates from control module. Loosen 1 screw on control module. Then, take off the security switch from control module. Torque: 1.5~2 kgf-cm “Confidential, Do Not Duplicate without written authorization from NEC.” 5-25...
  • Page 77 Loosen 16 screws on mother board. Then, take off the mother board from control module. And, then unplug 1 pc connector from mother board. Torque: 5~6 kgf-cm Then, take off mother board. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-26...
  • Page 78 And, then unplug 1 pc connector from main powe board. Torque: 5~6 kgf-cm. Loosen 3 screws on air window. And, open the 1 buckle. Then, take off air window. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-27...
  • Page 79 Unplug 2 pcs connectors from top ballast. And, loosen 3 tall plastic pins and 1 short plastic pin bottom ballast. Then, take off it. Torque: 3~4 kgf-cm. Unplug 2 pcs connectors from bottom ballast. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-28...
  • Page 80 Take off the AC inlet board. Unplug 2 pcs fasteners from AC inlet board. Loosen 4 screws on power board and unplug the connector. And, take power board off on the desk. Torque: 5~6 kgf-cm. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-29...
  • Page 81 Loosen 4 screws on Horizonal & Vertical sens or board and unplug the 2 pcs connectors. And, take them off. Torque: 5~6 kgf-cm. Loosen 2 screws on lightpipe (Torque: 7~8 kgf-cm.). And, loosen 2 screws on lightpipe bracket (Torque: 5~6 kgf-cm.). “Confidential, Do Not Duplicate without written authorization from NEC.” 5-30...
  • Page 82 KEY PART REPLACEMENT (Method of disassembly/Photo taken from life) Loosen 2 screws on lightpipe (Torque: 5~6 kgf-cm.). Take lightpipe off. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-31...
  • Page 83 KEY PART REPLACEMENT (Method of disassembly/Photo taken from life) 1-27 Fan 1 & Fan 2 Release Fan1 module from FIP shield fence. Finally, take off the Fan1 from fence. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-32...
  • Page 84 KEY PART REPLACEMENT (Method of disassembly/Photo taken from life) Unplug the 3 pcs fasteners and loosen 4 plastic screws in Fan 2 module, and take off it. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-33...
  • Page 85 Unplug the fastener and loosen 4 screws in Fan 3 module, and take off it. 7-8 kgf-cm Loosen the 4 pcs screws on the Fan 4 & 5 module, and then take Fan 4 & Fan 5 off. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-34...
  • Page 86 Please loosen 4 screws in the Fan7 module, and then remove mesh. Finally, take the Fan7 off. Pull the Fan 8 from air flow guide module. Finally, take off the Fan 8. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-35...
  • Page 87 7-8 kgf-cm Please loosen 4 screws on the Fan 9 &10 module to remove Fan 9 &10. 6-8 kgf-cm Please loosen 2 screws on the Fan11 module to remove Fan11. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-36...
  • Page 88 Loosen 8 pcs screws on the Fan 12 &13 module. And, release the wire and pull out 8 plastic screws on the Fan 12 &13 module to take off Fan 12 & 13. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-37...
  • Page 89 Then, pull out 4 plastic screws and 1 pc wire to take off the Fan 14. Loosen 2 screws on the Fan15 module. Then, take off the Fan 15 module. Loosen 4 plastic screws on Fan 15 module to take out the Fan 15. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-38...
  • Page 90 Loosen 4 pcs plastic screws on the Fan 16 module and then take off Fan16 from bracket. 5-6 kgf-cm 5-6 kgf-cm Please loosen 3 screws from CPU board to take off Fan17 module. Then, loosen 2 screws from Fan17 module to take off the Fan17. “Confidential, Do Not Duplicate without written authorization from NEC.” 5-39...

  • Page 91: Method Of Disassembly (Illustration/Photo Taken From Life)

    METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 1. Diagonal view of the main unit front “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 92 (1) Remove the FRONT COVER ASSY after releasing the key lock. (2) Rotate and remove the HOOD LENS COVER ASSY. FRONT COVER ASSY (NC) 79TY1041 HOOD LENS COVER ASSY (NC) 79TY1051 “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 93 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 3. ZOOM LENS (1) Press the button and remove the ZOON LENS. ZOOM LENS (Option) “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 94 (1) Loosen 2 pcs. of screw 1 of the LAMP COVER to take it out. (2) Loosen 4 pcs. of screw 2 of the LAMP SASSY to take it out. LAMP COVER 2(NC) 79TY1101 LAMP SASSY (Option) LAMP COVER 1(NC) 79TY1091 LAMP SASSY (Option) “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 95 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 5. TOP COVER ASSY (1) Remove 3 pcs. of screw 1 and take out the TOP COVER ASSY. TOP COVER ASSY(NC) 79TY1001 “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 96 (3) Remove the LEFT SIDE COVER ASSY after releasing the key lock and removing 4 pcs. of screw 2 . RIGHT SIDE COVER ASSY (NC) 79TY1031 FILTER LEFT SIDE (Option) COVER ASSY (NC) 79TY1011 FILTER COVER ASSY(NC) 79TY1021 “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 97 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 7. FRONT COVER FRONT COVER “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 98 (1) Remove 6 pcs. of screw 1 and take out the REAR COVER ASSY. (2) Remove 2 pcs. of screw 2 and take out the REAR COVER ASSY. REAR FILTER COVER ASSY (NC) 79TY1071 FILTER (Option) REAR COVER ASSY (NC) 79TY1061 FILTER (Option) “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 99 (2) Remove 4 pcs. of screw 2 and take out the LED PWB ASSY 1/LED PWB ASSY 2. (3) Remove 1 pc. of screw 3 and take out the SW PWB ASSY. LED PWB ASSY 2(NC) 79TY1291 LED PWB ASSY 1(NC) 79TY1281 SW PWB ASSY(NC) 79TY1351 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 100 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 10. FAN-D PWB ASSY (1) Remove 2 pcs. of screw 2 and take out the FAN-D PWB ASSY. FAN-D PWB ASSY(PH) 79GP1251 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-10...
  • Page 101 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 11. CPU PWB SASSY/ICP BOARD SASSY (1) Remove 4 pcs. of screw 1 and take out the CPU PWB SASSY/ICP BOARD SASSY. CPU PWB SASSY ICP BOARD SASSY “Confidential, Do Not Duplicate without written authorization from NEC.” 6-11...
  • Page 102 (2) Remove 3 pcs. of screw 2 and take out the ICP BOARD. (3) Remove 2 pcs. of screw 3 and take out the DC FAN. DC FAN(EFB0512HA )(NC) 79TY1181 CPU PWB ASSY 81T19C03 ICP BOARD 1.5 2509274-0008 7N951811 “Confidential, Do Not Duplicate without written authorization from NEC.” 6-12...
  • Page 103 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 13. KEY PWB SASSY (1) Remove 4 pcs. of screw 1 and take out the KEY PWB SASSY. KEY PWB SASSY “Confidential, Do Not Duplicate without written authorization from NEC.” 6-13...
  • Page 104 (3) Remove 2 pcs. of screw 3 and take out the BACKLIGHT-B PWB ASSY. KEY PWB ASSY(NC) 79TY1321 KEY PAD BUBBER(NC) 79TY1691 LCD PWB ASSY(NC) 79TY1341 BACKLIGHT-B PWB ASSY(PH) 79GP1281 “Confidential, Do Not Duplicate without written authorization from NEC.” 6-14...
  • Page 105 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) “Confidential, Do Not Duplicate without written authorization from NEC.” 6-15...
  • Page 106 (1) Remove 8 pcs. of screw 1 , 4 pcs. of screw 2 , and 6 pcs. of screw 3 to take out the assemblies. (2) Remove 4 pcs. of screw 4 and take out the SW ASSY 1/SW ASSY 2. SW ASSY 2 (LAMP DOOR)(NC) 79TY1611 SW ASSY 1 (LAMP DOOR)(NC) 79TY1581 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-16...
  • Page 107 (1) Remove 4 pcs. of screw 1 and take out the MOTOR PWB ASSY. (2) Remove 2 pcs. of screw 2 and take out the FAN-C PWB ASSY. MOTOR PWB ASSY(NC) 79TY1261 FAN-C PWB ASSY 79TM1441 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-17...
  • Page 108 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 18. SLAVE UC PWB ASSY (1) Remove 6 pcs. of screw 1 and take out the SLAVE UC PWB ASSY. SLAVE UC PWB ASSY(NC) 79TY1301 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-18...
  • Page 109 19. ROUTER BR-CP1400N (1) Remove 2 pcs. of screw 1 and take out the assemblies. (2) Remove 4 pcs. of screw 2 and take out the ROUTER BR-CP1400N. ROUTER BR-CP1400N 7N970107 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-19...
  • Page 110 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 20. FAN SASSY FAN SASSY 1 1 1 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-20...
  • Page 111 (1) Remove 4 pcs. of screw 1 and take out the DC FAN(AFB0712VHE 3). (2) Remove 4 pcs. of Rivet and take out the DC FAN(AFB0612HC 2). DC FAN(AFB0712VHE 3)(NC) 79TY1221 RIVET DC FAN(AFB0612HC 2)(NC) 79TY1201 “Confidential, Do Not Duplicate without written authorization from NEC.” 6-21...
  • Page 112 (1) Remove 3 pcs. of screw 1 and 3 pcs. of screw 2 to take out the assemblies. (2) Remove 2 pcs. of screw 3 and take out the INTERLOCK PWB ASSY. CN WIRE L60 WHITE(NC) 79TY1491 CN WIRE L60 BLACK(NC) 79TY1481 INTERLOCK PWB ASSY(NC) 79TY1331 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-22...
  • Page 113 (3) Remove 2 pcs. of screw 4 and take out the FILTER HOLDER ASSY 2. FILTER HOLDER ASSY 1(NC) 79TY1451 SW ASSY(FILTER)(NC) 79TY1561 DC FAN(AFB1212H 1)(NC) 79TY1171 FILTER HOLDER ASSY 2(NC) 79TY1461 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-23...
  • Page 114 (1) Remove 3 pcs. of screw 1 and take out the assemblies. (2) Remove 2 pcs. of screw 3 and take out the DC FAN(BFB0712LD 11). DC FAN(BFB0712LD 11)(NC) 79TY1211 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-24...
  • Page 115 (1) Remove 5 pcs. of screw 1 and 3 pcs. of screw 2 to take out the DC FAN(AFB1212H 11-3P)/DC FAN(AFB1212H SM09). DC FAN(AFB1212H 11-3P) 79TM1351 DC FAN(AFB1212H SM09) 79GP1121 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-25...
  • Page 116 (3) Remove 4 pcs. of screw 4 and take out the DC FAN(AFB0512VHD 4)(NC)/DC FAN(AFB0512VHD 5) DC FAN(BFB0712HD SP01) 79TM1311 DC FAN (BFB0712HD SP01) 79TM1321 DC FAN(AFB0512VHD 4)(NC) 79TY1121 DC FAN(AFB0512VHD 5)(NC) 79TY1131 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-26...
  • Page 117 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-27...
  • Page 118 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) “Confidential, Do Not Duplicate without written authorization from NEC.” 6-28...
  • Page 119 (4) Remove 2 pcs. of screw 4 and take out the PWM FAN PWB ASSY. PWM FAN PWB ASSY 79TM1531 DC FAN(AFB1212H 11-3P) 79TM1351 FAN-E PWB ASSY(NC) 79TY1271 REAR FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-29...
  • Page 120 (8) Remove 4 pcs. of screw 9 and take out the POWER SUPPLY-DC. DC FAN(AFB1212H SM09) 79GP1121 AC FILTER PWB ASSY(NC) DC FAN RIVET 79TY1361 (AFB1212H 13)(NC) 79TY1161 AC INLET POWER SUPPLY-DC (NC) PWB ASSY (NC) 79TY1381 79TY1371 POWER SUPPLY-BS(NC) 79TY1391 “Confidential, Do Not Duplicate without written authorization from NEC.” 6-30...
  • Page 121 (1) Remove 4 pcs. of screw 1 and take out the assemblies. (2) Remove 4 pcs. of Rivet and take out the DC FAN(AFB1212HHE 14). RIVET DC FAN(AFB1212HHE 14)(NC) 79TY1141 REAR “Confidential, Do Not Duplicate without written authorization from NEC.” 6-31...
  • Page 122 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 32. MOTHER PWB SASSY (1) Remove 7 pcs. of screw 1 and take out the MOTHER PWB SASSY. MOTHER PWB SASSY FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-32...
  • Page 123 (1) Remove 4 pcs. of screw 1 and 6 pcs. of screw 2 to take out the Connectors. (2) Remove 4 pcs. of screw 3 and take out the FMT ADAPTER PWB ASSY. FMT ADAPTER PWB ASSY(NC) 79TY1311 “Confidential, Do Not Duplicate without written authorization from NEC.” 6-33...
  • Page 124 (2) Remove 12 pcs. of screw 1 and take out the Plates. (3) Remove 16 pcs. of screw 2 and take out the MOTHER PWB ASSY. DC FAN(AFB1212H 16)(NC) 79TY1151 MOTHER PWB ASSY 81X15M01 RIVET “Confidential, Do Not Duplicate without written authorization from NEC.” 6-34...
  • Page 125 35. LENS HOLDER ASSY (1) Remove 12 pcs. of screw 1 and take out the LENS HOLDER ASSY. SENSOR(H) PWB ASSY 79TM1392 SENSOR(V) PWB ASSY 79TM1402 LENS HOLDER ASSY (NC) 79TY1421 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-35...
  • Page 126 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 36. LIGHT SHUTTER ASSY (1) Remove 2 pcs. of screw 1 and take out the LIGHT SHUTTER ASSY. LIGHT SHUTTER ASSY(NC) 79TY1431 “Confidential, Do Not Duplicate without written authorization from NEC.” 6-36...
  • Page 127 METHOD OF DISASSEMBLY (Illustrator/Photo taken from life) 37. INTEGRATOR ASSY (1) Remove 2 pcs. of screw 1 and take out the INTEGRATOR ASSY. INTEGRATOR ASSY (NC) 79TY1441 “Confidential, Do Not Duplicate without written authorization from NEC.” 6-37...
  • Page 128 • The following parts are included. (For each part, please refer to the parts list.) INTEGRATOR ASSY(NC) 79TY1441 PRISM SASSY(NC) 79TY1411 FORMATTER-R PWB ASSY(NC) 79TY1231 FORMATTER-B PWB ASSY(NC) 79TY1241 FORMATTER-G PWB ASSY(NC) 79TY1251 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-38...
  • Page 129 (1) Remove 2 pcs. of screw 1 and take out the assemblies. (2) Remove 4 pcs. of Rivet and take out the DC FAN(AFB0612HC 15). DC FAN(AFB0612HC 15)(NC) 79TY1191 RIVET FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-39...
  • Page 130 (2) Remove 4 pcs. of screw 2 and take out the BASE FOOT/FOOT BOTTOM. BASE COVER ASSY(NC) 79TY1081 BASE FOOT(NC) FOOT BOTTOM 79TY1111 79TM1231 BASE FOOT(NC) 79TY1111 FOOT BOTTOM 79TM1231 1 1 1 1 1 1 1 1 1 1 1 1 FRONT “Confidential, Do Not Duplicate without written authorization from NEC.” 6-40...

  • Page 131: Disassembly (Illustration/Photo Taken From Life)

    ZOOM LENS KEY PWB ASSY (NC) (Option) 79TY1321 KEY PAD BUBBER (NC) 79TY1691 ICP BOARD 1.5 2509274-0008 LCD PWB ASSY (NC) 7N951811 KEY PWB SASSY 79TY1341 BACKLIGHT-B PWB ASSY (PH) 79GP1281 “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 132 SW ASSY 1 (LAMP DOOR) (NC) 79TY1261 79TY1581 FAN-C PWB ASSY 79TM1441 CN WIRE L60 WHITE (NC) 79TY1491 ROUTER BR-CP1400N CN WIRE L60 BLACK (NC) 7N970107 79TY1481 INTERLOCK PWB ASSY (NC) 79TY1331 “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 133 FORMATTER-B PWB ASSY(NC) 79TY1241 FORMATTER-G PWB ASSY(NC) 79TY1251 BASE COVER ASSY (NC) 79TY1081 BASE FOOT (NC) BASE FOOT (NC) 79TY1111 79TY1111 FOOT BOTTOM FOOT BOTTOM 79TM1231 BASE FOOT (NC) 79TM1231 79TY1111 “Confidential, Do Not Duplicate without written authorization from NEC.”...

  • Page 134: Adjustment Matrix

    5 ~ 6 kg-f-cm as photo (C) Torque:5-6kgf.cm Torque:5-6kgf.cm FORMATTER-R 79TY1231 PWB ASSY(NC) All Jigs and Torque are the same with B formatter board. Please kindly refer to B formatter board to disassembly and assembly. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 135 (2). 12V / 1 A_AC Adapter Jig as photo (B) PWM FAN 79TM1531 PWB ASSY FAN-C 79TM1441 PWB ASSY FAN-D 79GP1251 PWB ASSY(PH) FAN-E 79TY1271 PWB ASSY(NC) LED PWB ASSY 1 79TY1281 (NC) LED PWB ASSY2 79TY1291 (NC) “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 136 KEY PWB ASSY 79TY1321 (NC) INTERLOCK 79TY1331 PWB ASSY(NC) LCD PWB ASSY 79TY1341 (NC) SW PWB ASSY 79TY1351 (NC) AC FILTER 79TY1361 PWB ASSY(NC) INLET PWB ASSY 79TY1371 (NC) POWER SUPPLY- 79TY1381 DC(NC) “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 137 (1). 3.5 mm Cross Screwdriver Jig for adjusting Illumination as photo (A) (2). 5.5 mm Inner Hexagon Sleeve Screwdriver Jig for adjusting Illumination as photo (B) FILTER HOLDER 79TY1451 ASSY 1(NC) FILTER HOLDER 79TY1461 ASSY 2(NC) “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 138 2 mm (1) 3 mm Inner Hexagon Screwdriver Jig for adjusting Lens Mount as photo (A) (2) 2 mm Inner Hexagon Screwdriver Jig for locking and fixing Lens Mount as photo (B) “Confidential, Do Not Duplicate without written authorization from NEC.”...

  • Page 139: Program Setting And Software Download

    2) Connect DCC to the projector and enter service mode. 3) Go to DCC - [UPDATE] page, click on <ICP firmware>. Caution) For Service Mode (Service Menu), refer to P61 ~ 63 in the Installation Manual. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 140 PROGRAM SETTING AND SOFTWARE DOWNLOAD 4) If next dialog shows, click on <Continue>. 5) Find and select “NC_YS_RP0.106.09_Factory¥icp¥Prod4.0.release”. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 141 7) The next message shows when download success. 8) Click on <Exit> and back to 3). Then install “NC_YS_RP0.106.09_Factory¥icp¥Prod4.0(PulsedLamp).release”. 9) When completion of download, power off the projector from DCC – START page. “Confidential, Do Not Duplicate without written authorization from NEC.”...

  • Page 142: Slave Mcu Board Software Download

    1) AC-ON projector.(in standby mode) 2) Connect DCC to the projector and enter service mode. 3) Go to DCC - [UPDATE] page, click on <Slave firmware>. 4) Find and select “ncNEC_3T70NP_UE-8-0531.bin”. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 143 PROGRAM SETTING AND SOFTWARE DOWNLOAD 5) Projector start to install Slave MCU firmware. 6) The next message shows when download success. “Confidential, Do Not Duplicate without written authorization from NEC.”...

  • Page 144: Full Auto Software Download

    Full Auto Firmware Update 1) AC-ON projector.(in standby mode) 2) Connect DCC to the projector and enter service mode. 3) Click the “Check” button in “Check Version” in the DCC-UPDATE menu. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 145 4) Click the “Full Auto Update” button in the “Full-Auto” tab. 5) Find and select the ncrelease file stored in the root folder of Release Package as below. Release Package: NC_S2_RP_*.***_Factory Release*.***_Factory. ncrelease *.***: version “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 146 If the ICP firmware update fails, the “Retry” button is enabled. Click the “Retry” button to execute the update again. If the update fails again, click the “Save ICP Log” button to save the log from when the update was executed. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 147 Click “OK” to close message, then click “Exit” button in All Update screen. AC-Off the projector when it goes to STBY and replaces ICP board. 9) Click the “Exit” button in All Update screen to close. “Confidential, Do Not Duplicate without written authorization from NEC.”...
  • Page 148 Once the projector enters standby mode, the update is complete. If “Different” is displayed Click the “Update End” button in the “Full-Auto” tab. When the projector enters standby mode, return to step 3) and execute the update again. “Confidential, Do Not Duplicate without written authorization from NEC.” 9-10...

  • Page 149: Motor Board Software Download

    12 V RS-232 C. Run " Flash Magic” D. Set “Select Device” to LPC2132 E. Set Com port, Baud Rate, Oscillator. F. Click “Browse to choose file. G. Click “Start” “Confidential, Do Not Duplicate without written authorization from NEC.” 9-11...
  • Page 150 PROGRAM SETTING AND SOFTWARE DOWNLOAD “Confidential, Do Not Duplicate without written authorization from NEC.” 9-12...
  • Page 151 PROGRAM SETTING AND SOFTWARE DOWNLOAD “Confidential, Do Not Duplicate without written authorization from NEC.” 9-13...
  • Page 152 PROGRAM SETTING AND SOFTWARE DOWNLOAD “Confidential, Do Not Duplicate without written authorization from NEC.” 9-14...
  • Page 153 While install MPLAB DE. When the message "HI-Tech . . ." is displayed, the program in this message is not installed. (Need to install only MPLAB, need not HI-Tech) 2. Connecto device (1) ICD3 setting Connect an USB cable and ICD3 and an ICD3 harness (Fig. 0) Fig. 0 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-15...
  • Page 154 (2) Connect ICD3 USB cable to Personal computer. Do not connect to lamp driver (3) If downloading "new hardware" is requested, follow this instruction. (Fig. 1 in Japanese) Fig. 1 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-16...
  • Page 155 PROGRAM SETTING AND SOFTWARE DOWNLOAD (4) Connect ICD3 harness and lamp driver (Fig. 2). Fig. 2 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-17...
  • Page 156 PROGRAM SETTING AND SOFTWARE DOWNLOAD 3. How to program to lamp driver. (1) Supply DC 15V to ICD3 from AC adapter. (2) Start up "MPLAB IDE v.8.**.exe" (Fig. 3) Fig. 3 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-18...
  • Page 157 PROGRAM SETTING AND SOFTWARE DOWNLOAD (3) Select "Configure" - - - "Select Devices". dsPIC33FJ32GS606. Fig. 4 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-19...
  • Page 158 PROGRAM SETTING AND SOFTWARE DOWNLOAD (4) Select "Programmer" - - - "Select Programmer". 2 MPLAB ICD3. Fig. 5 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-20...
  • Page 159 PROGRAM SETTING AND SOFTWARE DOWNLOAD (5) Select "File" - - - "Import", and select a new driver program. This program is "hex file". Fig. 6 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-21...
  • Page 160 PROGRAM SETTING AND SOFTWARE DOWNLOAD (6) Select "Programmer" - - - "Program", and program a "new driver program" to lamp driver. Fig. 7 “Confidential, Do Not Duplicate without written authorization from NEC.” 9-22...
  • Page 161 (7) After 3-(7). If the message "Programming/Verify complete" is displayed, programming a "new driver program" to lamp driver is completed. (8) After the programming, disconnected ICD3 harness from lamp driver. “Confidential, Do Not Duplicate without written authorization from NEC.” 9-23...

  • Page 162: Setting & Adjustment

    SETTING & ADJUSTMENT 1. SETTING & ADJUSTMENT 1-1. Motor Board Setting and Adjust A. Base Setting Check SW100 at off mode Check Jig assembly RS-232 “Confidential, Do Not Duplicate without written authorization from NEC.” 10-1...
  • Page 163 Use Zoom in & Out to find out Optic Center.(z+ is zoom out, z- is zoom in) Optical center position wide position to tele position or tele position to wide position the center point need deviation <5pixel “Confidential, Do Not Duplicate without written authorization from NEC.” 10-2...
  • Page 164 5. In order to make sure to save data, so run “cc” again. 6. Then set lower-right corner. (Use “lr” to set lower-right corner limit) 7. Don’t forget to check the limit. 8. Use “pc” to return back optic center. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-3...
  • Page 165 15. ew to save all data to eeprom. 16. After Setting, unplug 12V Adapter, and plug in again to check data is OK, or not. 17. Setting Limit As Follow: “Confidential, Do Not Duplicate without written authorization from NEC.” 10-4...
  • Page 166 Lens shift (Left) > = 22% The total range of the unstable track of lens moving should be less than total 4 pixels range shown as below sketch. Lens moving track 4 pixels “Confidential, Do Not Duplicate without written authorization from NEC.” 10-5...
  • Page 167 If it is “1”, it means the lens not encoder. So you can’t use the lens to calibration. If check ok, use “zfc” to calibration. If it is done, you’ll see the some value of zoom / focus. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-6...
  • Page 168 If you ever run “$iee” , but not power off. Please power off. Then power on again. Because when you reset eeprom, myson will send default value to eeprom. But the value is not correct. So we need restart. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-7...

  • Page 169: Color Band Adjust

    Step2-2. Adjust screw nut A to move the image left and right side on the light-pipe with 5.5mm Inner Hexagon Sleeve Screwdriver Jig. Step2-3. Adjust screw nut B to move the image up and down side on the light-pipe with 5.5mm Inner Hexagon Sleeve Screwdriver Jig. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-8...
  • Page 170 Step3. After checking the full-white image around 4 corners without any color band, and then screw up this screw to fix light-pipe by torque 2~2.25 kgf-cm. Step4. Finally, put TB1401B glue on these four screws to fix it. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-9...

  • Page 171: Color Calibration Adjust

    * This adjustment should be carried out after turning on lamp 5 minutes or more. 1) "Digital Cinema Communicator" is started. 2) Color Setting 1 Press SETUP 2 Press Color Setting 3 Press “Confidential, Do Not Duplicate without written authorization from NEC.” 10-10...
  • Page 172 * Measurement point is screen center 4) The measurement data should be meet the Native color value. Natice color value Green Blue >=0.670 <=0.265 <=0.160 <=0.330 >=0.690 <=0.080 5) These data should be recorded. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-11...
  • Page 173 6) MCGD (Measured Color Gamut Data) data 1 Press Create 2 Press 3 Input measurement data to Red (x, Y) window. Input Green, Blue and White data same as Red data. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-12...
  • Page 174 TCGD Setting Area and select "P7v2 telecine". Select Brightness select "P7v2 telecine" file Color coordinates select "color Verfication" file 6 Press Select in the MCGD Setup area and select "M10I". “Confidential, Do Not Duplicate without written authorization from NEC.” 10-13...

  • Page 175: Focus Adjust

    The three adjustment screws allow the lens to be tilted for uneven screen focus, and three corner screws lock down the adjustment. View from screen side Locking screw (Adjust the focus adjustment screws (a), (b) and (c) after installing the lens.) “Confidential, Do Not Duplicate without written authorization from NEC.” 10-14...
  • Page 176 Fine adjust the focus evennese as needed. as descriped in step 5. 7. When adjustment is complete, tightrn the locking screws (3pcs). 8. Adjust the image focus. V Top Relation between the adjustment place and adjustment screw. “Confidential, Do Not Duplicate without written authorization from NEC.” 10-15...

  • Page 177: Circuit Description

    The 32.768KHz built-in real-time clock RTC-8564JE (IC7005) is in charge. A back-up feature is given by the super-capacitor C7036. - SPI: Light Sensor (via the A/D converter ADCS7476 of DIV) “Confidential, Do Not Duplicate without written authorization from NEC.” 11-1...
  • Page 178 Light Sensor Reset Lamp Door Supervision Lamp Temp Supervision GPSU Supervision (Fan, voltage) Tamper Supervision Cooler Pump Supervision UART 1 Lamp Power Supply Control (PEDE-A) 2 Motor Control (Lens Mount) “Confidential, Do Not Duplicate without written authorization from NEC.” 11-2...
  • Page 179 　　 IC7102 (PQ070XZ01) supplies the power for remote control drive. 　　 The output from this device is maintained at approximately +4.0V so that +3.3V can be maintained on the remote control side in the case of 16m cable connections. “Confidential, Do Not Duplicate without written authorization from NEC.” 11-3...
  • Page 180 Protector IC7007 SDRAM IC7120 IC7008 FLASH0 IC7217 Buffer IC7213 IC7009 Buffer FLASH1 IC7216 IC7100 2.5V Switch ASSIST3 IC7215 Switch IC7001 IC7101 Q7105 IC7103 PROM M7005 IC7218 D-SUB RS232 IC7004 RS232 “Confidential, Do Not Duplicate without written authorization from NEC.” 11-4...

  • Page 181: Motor Pwb Circuit Operation

    Input B-ch: A2J1 (Mother Board upper-stage input slot) > Mother A1J2, A1J1 > ICP 　　　　Output: A1J3 (ICP) > PO6001-6003 (FSB*3) 2 Control A4J1 (CPU) – A5J1 (PJDIV) A4J1 (CPU) – A1J2 (ICP “Confidential, Do Not Duplicate without written authorization from NEC.” 11-5...

  • Page 182: Part List

    79TY1031 RIGHT SIDE COVER ASSY(NC) 79TY1041 FRONT COVER ASSY(NC) 79TY1051 HOOD LENS COVER ASSY(NC) 79TY1061 REAR COVER ASSY(NC) 79TY1071 REAR FILTER COVER ASSY(NC) 79TY1081 BASE COVER ASSY(NC) 79TY1091 LAMP COVER 1(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-1...
  • Page 183 79TY1141 DC FAN(AFB1212HHE 14)(NC) FAN 14 79TY1151 DC FAN(AFB1212H 16)(NC) FAN 16 FAN 6 79GP1121 DC FAN(AFB1212H SM09) FAN 12 79TY1161 DC FAN(AFB1212H 13)(NC) FAN 13 79TY1171 DC FAN(AFB1212H 1)(NC) FAN 1 “Confidential, Do Not Duplicate without written authorization from NEC.” 12-2...
  • Page 184 79TM1392 SENSOR(H) PWB ASSY 79TM1402 SENSOR(V) PWB ASSY 79TY1231 FORMATTER-R PWB ASSY(NC) 79TY1241 FORMATTER-B PWB ASSY(NC) 79TY1251 FORMATTER-G PWB ASSY(NC) 79TY1261 MOTOR PWB ASSY(NC) 79TM1531 PWM FAN PWB ASSY 79TM1441 FAN-C PWB ASSY “Confidential, Do Not Duplicate without written authorization from NEC.” 12-3...
  • Page 185 79TY1311 FMT ADAPTER PWB ASSY(NC) 79TY1321 KEY PWB ASSY(NC) 79TY1331 INTERLOCK PWB ASSY(NC) 79TY1341 LCD PWB ASSY(NC) 79TY1351 SW PWB ASSY(NC) 79TY1361 AC FILTER PWB ASSY(NC) PFC_BD 79TY1371 AC INLET PWB ASSY(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-4...
  • Page 186 7N951811 ICP BOARD1.5 2509274-0008 7N970107 ROUTER BR-CP1400N 81T19C03 CPU PWB ASSY 81X15M01 MOTHER PWB ASSY 79GP1281 BACKLIGHT-B PWB ASSY(PH) 79TY1391 POWER SUPPLY-BS(NC) Ballast 79TY1401 DLP ENGINE SASSY(NC) 79TY1411 PRISM SASSY(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-5...
  • Page 187 79TY1461 FILTER HOLDER ASSY 2(NC) 79TY1471 CN2P L400(NC) 79TY1481 CN WIRE L60 BLACK(NC) 79TY1491 CN WIRE L60 WHITE(NC) 79TY1501 CN4P L110(NC) 79TY1511 CN8P-24P L420(NC) 79TY1521 CN5P L200(NC) 79TY1531 CN4P L850(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-6...
  • Page 188 79TY1571 THERMAL STATE ASSY(NC) 79TY1581 SW ASSY 1 (LAMP DOOR)(NC) 79TY1591 THERMAL STATE(AIR IN)(NC) 79TY1601 THERMAL STATE(DMD)(NC) 79TY1611 SW ASSY 2 (LAMP DOOR)(NC) 79TY1621 SPACER(REAR TOP)(NC) 79TY1631 SPACER(FRONT TOP)(NC) 79TY1641 SPACER(BOTTOM)(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-7...
  • Page 189 PART LIST 79TY1651 SHEET(2400*1000)(NC) 79TY1661 PE BAG(1300*750)(NC) 79TY1681 CARTON BOX(INSIDE)(NC) 79TY1691 KEY PAD BUBBER(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-8...

  • Page 190: Np-Nc900C-A

    79TY1031 RIGHT SIDE COVER ASSY(NC) 79TY1041 FRONT COVER ASSY(NC) 79TY1051 HOOD LENS COVER ASSY(NC) 79TY1061 REAR COVER ASSY(NC) 79TY1071 REAR FILTER COVER ASSY(NC) 79TY1081 BASE COVER ASSY(NC) 79TY1091 LAMP COVER 1(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-9...
  • Page 191 79TY1141 DC FAN(AFB1212HHE 14)(NC) FAN 14 79TY1151 DC FAN(AFB1212H 16)(NC) FAN 16 FAN 6 79GP1121 DC FAN(AFB1212H SM09) FAN 12 79TY1161 DC FAN(AFB1212H 13)(NC) FAN 13 79TY1171 DC FAN(AFB1212H 1)(NC) FAN 1 “Confidential, Do Not Duplicate without written authorization from NEC.” 12-10...
  • Page 192 79TM1392 SENSOR(H) PWB ASSY 79TM1402 SENSOR(V) PWB ASSY 79TY1231 FORMATTER-R PWB ASSY(NC) 79TY1241 FORMATTER-B PWB ASSY(NC) 79TY1251 FORMATTER-G PWB ASSY(NC) 79TY1261 MOTOR PWB ASSY(NC) 79TM1531 PWM FAN PWB ASSY 79TM1441 FAN-C PWB ASSY “Confidential, Do Not Duplicate without written authorization from NEC.” 12-11...
  • Page 193 79TY1311 FMT ADAPTER PWB ASSY(NC) 79TY1321 KEY PWB ASSY(NC) 79TY1331 INTERLOCK PWB ASSY(NC) 79TY1341 LCD PWB ASSY(NC) 79TY1351 SW PWB ASSY(NC) 79TY1361 AC FILTER PWB ASSY(NC) PFC_BD 79TY1371 AC INLET PWB ASSY(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-12...
  • Page 194 7N951811 ICP BOARD1.5 2509274-0008 7N970107 ROUTER BR-CP1400N 81T19C03 CPU PWB ASSY 81X15M01 MOTHER PWB ASSY 79GP1281 BACKLIGHT-B PWB ASSY(PH) 79TY1391 POWER SUPPLY-BS(NC) Ballast 79TY1401 DLP ENGINE SASSY(NC) 79TY1411 PRISM SASSY(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-13...
  • Page 195 79TY1461 FILTER HOLDER ASSY 2(NC) 79TY1471 CN2P L400(NC) 79TY1481 CN WIRE L60 BLACK(NC) 79TY1491 CN WIRE L60 WHITE(NC) 79TY1501 CN4P L110(NC) 79TY1511 CN8P-24P L420(NC) 79TY1521 CN5P L200(NC) 79TY1531 CN4P L850(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-14...
  • Page 196 79TY1571 THERMAL STATE ASSY(NC) 79TY1581 SW ASSY 1 (LAMP DOOR)(NC) 79TY1591 THERMAL STATE(AIR IN)(NC) 79TY1601 THERMAL STATE(DMD)(NC) 79TY1611 SW ASSY 2 (LAMP DOOR)(NC) 79TY1621 SPACER(REAR TOP)(NC) 79TY1631 SPACER(FRONT TOP)(NC) 79TY1641 SPACER(BOTTOM)(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-15...
  • Page 197 PART LIST 79TY1651 SHEET(2400*1000)(NC) 79TY1661 PE BAG(1300*750)(NC) 79TY1681 CARTON BOX(INSIDE)(NC) 79TY1671 CARTON BOX(OUTSIDE)(NC) 79TM1111 POWER CORD STOPPER 79TM1051 POWER CORD(C) 79TY1691 KEY PAD BUBBER(NC) “Confidential, Do Not Duplicate without written authorization from NEC.” 12-16...

  • Page 198: Block Diagram

    BLOCK DIAGRAM 1. Block Diagram A5J1 A4J1 A1J1 /A1J2 /A1J J 3 A2J1 /A2J2 A3J1 /A3J2 “Confidential, Do Not Duplicate without written authorization from NEC.” 13-1...

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