Hughes JVC Projector 230 Service Manual
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Chapter 5---Troubleshooting Model 230 Service Manual5-11 Problem Check Possible solution Section No Response when using IR remote.Intermittent operation. Replace remote battery or move closer to the projector. Stay in the “Line of sight” of the projector IR Receiver. New Software wont load properlySwitch position 4 on switch block on System Controller board is in incorrect position.Switch position 4 on System Controller switch block sets the speed for Port A. This speed is reported in the Comm Setup menu for Port A. Switch position 4 must be in the UP position for a baud speed of 19200 and DOWN for 9600 baud.See menu under Comm Setup, Section 4.5 of User Guide, Figure 5- 1 of this manual, and Appendix B, page B-1, of this manual.
Chapter 5---Troubleshooting 5-12Model 230 Service Manual
Chapter 6---Parts List Series 230 Service Manual6-1 6.0 Parts List Description Part no. Arc Lamp Module 104787 Cathode Ray Tube (CRT) 103465 Contrast Enhancer 104247 CRT/Yoke Assembly 103350 Ignitor Assembly, 1600W (Ignitor & Laser P.S.) 104781 ILA®, SM Moving 3 x 4 Video (High Contrast) Add for Blue -14, for Green -15, for Red -16.102630 ILA®, SM Moving 3 x 4 Video (Reduced Aperture) Add for Blue -14, for Green -15, for Red -16.100594 Lens, Condensing 104805 Lens, Relay 103943 Manual, Operation (User’s Guide) 104810 Manual, Service 104809 PCA Convergence Deflection 105210 PCA Horizontal/Vertical Deflection 102583 PCA Raster Timing Generator 102589 PCA System Controller 104678 PCA Video Amplifier 105232 PCA Video Processor 105234 PCA, Backplane 102595 PCA, Graphics Enhancer RGB VIC 104413 PCA, RGBHV VIC 102597 PCA, HDTV VIC (Option) 103765 PCA, Quad RGB Input VIC (Option) 103668 PCA, Quad Standard Decoder VIC (Option) 103545 PCA, Scan Reversal 102585
Chapter 6---Parts List 6-2Series 230 Service Manual DESCRIPTION PART NO. Power Cord (USA) 104769 Power Cord (Japan) 104498 Power Cord (Europe) 104768 Power Supply, Arc Lamp 104495 Power Supply, High Voltage 102566 Power Supply, Low Voltage 102520 Prism Assembly 103942 Projection Lens, 1:1, Fixed 104130 Projection Lens, 1.5:1, Fixed 104003 Projection Lens, 3:1, Fixed 103052 Projection Lens, 7:1, Fixed 104522 Projection Lens, Zoom 103746 Remote Control, Standard 104348 Remote Control, Technician 104019 Remote Control, Tethered Technician 105245 Yoke Assembly, CRT 103467
Import/Export Model 230 Service Manual A-1 Model 230 Configuration Data Export / Import Procedure Rev 1.0.0 This appendix defines the steps to perform a Configuration Data Export & Import from the Model 230 projector to a Host Computer. The Host Computer can be any system that has RS232 download and upload capability, including an IBM-PC compatible, an Apple MacIntosh, or a UNIX system. This paper describes the procedures for an IBM-PC running the Windows 3.1 OS. We will use the Windows “TERMINAL” application for communication with the projector. Other Terminal emulation programs can be used (ProComm, .), but all testing has been done with the TERMINAL application. Note 1: The TERMINAL application setup is the same as for controlling the projector via an ANSI TERMINAL (see Model 230 User’s Guide, Section 4.11). Note 2: Export/Import can be performed on either Port A or Port B. The Port must be configured for ANSI Terminal. Port A speed is determined by DIP SWITCH #4 on the System Controller board. DOWN is 9600 baud, UP is 19200 Baud. Port B can be configured for 2400, 9600 (default), or 19200 through the Comm Setup Menu. If both Port A and Port B are ANSI Terminals, PORT A must be used for Export/Import, so to use Port B, set Port A Device = None or Switcher, Port B Device = ANSI. Remember to Power Off (Control+P) and HW RESET (Push RESET button -figure 5-1 in Service Manual- or Circuit Breaker-on rear panel) after changing any configuration parameters. WARNING: If you use 19200 Baud, your computer must have a 16550 UART installed on the Comm Port. An unbuffered 8550 UART will lose data during EXPORT. This data loss cannot be detected until a later IMPORT is attempted. Use 9600 if you are not sure. In all cases use SOFTWARE FLOW CONTROL (XON/XOFF). WARNING: Laptop computer users must disable Advance Power Management (APM) during an Export. APM power pulling causes loss of data. EXPORT 1. Make sure the Windows TERMINAL program is configured for SOFTWARE FLOW CONTROL (XON/XOFF). A corrupt Export file will result if SW flow control is not used. 2. Choose the directory and filename for saving the Export Data. The Windows TERMINAL: Transfers: Receive Text File... dialog box will default to the c:\windows directory and no file. Create a directory (like \TEMP) (or have an existing one in mind) before starting the export process. 3. Model 230 Menu: 7. System + 5. Maintenance + 5. Export ================================= | Export Configuration | | Start RECEIVE TEXT Download | | to Host on Serial PORT A | | | | to Continue | | < ESC> to Cancel | ================================= 4. Windows TERMINAL: Transfers + Receive Text File.... 4.1. Directories - set directory to desired download directory (C:\TEMP) 4.2. File Name: - Type desired File Name (for example: export1.txt)
Import/Export A-2 Model 230 Service Manual 4.3. Select OK with mouse or press Enter key (dialog will be removed) 4.4. Verify TERMINAL screen shows status line at bottom: Stop, Pause, Bytes: 0, Receiving: EXPORT1.TXT 5. Model 230 Menu: Press ENTER key to start export download. NOTE: Some VT100 Emulator programs (ProComm) will send the ENTER automatically when step 4.3 above is performed. Expect 10 minutes to export 20 sources (500,000 bytes) at 9600 baud). Data Transfer will begin and continue until all source, channel, channel-source combination, and system data has been exported. The following dialog is displayed on the projector screen during the transfer. ================================= | Export Configuration | | EXPORT IN PROGRESS ... wait | | - Press ESC to Abort | ================================= The following message is sent at the end of the export data. ########################## # Export Complete # # STOP Host Download Now # # Then, Press ESC # ########################## .END A similar message is displayed on the projector screen : ================================= | Export Configuration | | EXPORT COMPLETE | | -> STOP Host Download | | -> THEN Press ESC | ================================= 6. Windows TERMINAL: Select the Windows TERMINAL STOP button with the mouse to end the Receive Text File... transfer. 7. Model 230 Menu: Press Esc to exit the projector Export operation and return to the Maintenance Menu. IMPORT 1. Know the directory and filename for uploading the Import Data. The Windows TERMINAL: Transfers: Send Text File... dialog box will default to the C:\windows directory which contains several *.txt files - SETUP.TXT is NOT a Projector EXPORT file!
Import/Export Model 230 Service Manual A-3 2. Import will alter all projector setup data. Prior to starting, several warnings are displayed to prevent unintentional loss of setup data. 3. Model 230 Menu: 7. System + 5. Maintenance + 6. Import ================================= | WARNING | Importing New Configuration | | ALL SETUP DATA WILL BE | CHANGED! | | | | to Continue | | < ESC> to Cancel | ================================= 4. Press ENTER to continue with the Import. ================================= | Import Configuration | | Old Configuration will be | | restored if import is Aborted | | | | to Continue | | < ESC> to Cancel | ================================= 5. Press ENTER to continue with the Import. ================================= | Import Configuration | | Start SEND TEXT Upload from | | Host on Serial PORT A | | -To Abort: | | ->Stop Host Upload, | | ->THEN Press ESC to Abort | ================================= 6. Windows TERMINAL: Transfers + Send Text File.... 6.1. Directories - set directory to desired upload directory (C:\TEMP) 6.2. File Name: - Type desired File Name (for example: import1.txt) 6.3. Select OK with mouse or press Enter key (upload begins) 6.4. Verify TERMINAL screen shows status line at bottom: Stop, Pause, “% complete bar”, Sending: EXPORT1.TXT 6.5 Data transfer will continue until complete or an arror occurs or the User Aborts: Expect 10 minutes to import 20 sources (500,000 bytes) at 9600 baud. 6.6 At successful end, TERMINAL will remove the bottom line. 7. Model 230 Menu: When the projector detects the successful end of the transfer the following screen is displayed: ================================= | Import Configuration | | IMPORT COMPLETE | | New Configuration is active |
Import/Export A-4 Model 230 Service Manual | | | - Press ESC to Continue | ================================= Press ESC to exit the projector Import operation and return to the Maintenance Menu. There is a 10 second pause before the screen is redrawn. 8. USER ABORT: Windows TERMINAL: FIRST press STOP to end the Host Upload transfer. Model 230 Menu: THEN press ESC to abort the projector Import operation. ================================= | Import Failed | | IMPORT ABORTED BY USER | | Old Data was Restored. | | - STOP Host SEND DATA, | | THEN Press ESC | ================================= FINALLY, press ESC to exit the projector Import operation and return to the Maintenance Menu. There is a 10 second pause before the screen is redrawn. 9. DATA TRANSFER ERROR (Example) Model 230 Menu will display: ================================= | Import Failed | | Bad EXPORT File Format | | Old Data was Restored. | | -> STOP Host SEND DATA, | | -> THEN Press ESC | ================================= 9.1. Windows TERMINAL: FIRST press STOP to end the Host Upload transfer. 9.2. Model 230 Menu: THEN press ESC to exit the projector Import operation and return to the Maintenance Menu. There is a 10 second pause before the screen is redrawn.
Glossary Model 230 Service Manual B-1 Glossary Of Terms Amorphous Without definite form; not crystallized. Arc Lamp The xenon arc lamp in the Model 230 projector. It operates at high temperatures (160° to 200°) and produces dangerously intensive light with hazardous levels of ultraviolet and infrared radiation. Aspect Ratio The ratio of the picture width to picture height. The standard U.S. television aspect ratio is four units wide to three units high (4:3). High Definition Television (HDTV) is 16:9. Bandwidth The transmission or reception capacity of a computer or communications channel measured in bits per second in digital and in Hertz in communications. Bandwidth is the difference between the lowest and highest frequencies transmitted or received. Wider bandwidth provides more information or picture detail capability. Chrominance Abbreviated as C. Color information signal or signals. Cold Mirror Mirror that absorbs infrared light so that its reflection contains only cold light that does not transmit appreciable heat. As a result of this absorption of infrared heat radiation, cold mirrors get quite hot. CRT (Cathode Ray Tube) The vacuum tube used as a display screen in video terminals or television sets. Commonly called the picture tube. Dichroic Mirrors The white light of the xenon arc lamp is separated into red, green and blue by means of dichroic mirrors which reflect only one color and pass all others. Field One half of a complete video frame. Odd lines in one field and even lines in another make up one frame.
Glossary B-2 Model 230 Service Manual Frame One complete TV picture or screen of information. It is composed of two fields and has a total of 525 scanning lines in NTSC transmission. Horizontal Scan Reverses the image projection for front or rear Reversal Jumper projection. Located on the Horizontal Deflection Board. Horizontal Size Coils Adjusting coils on the Scan Reversal Board. Used to adjust the horizontal size (width). Hot Spot The Arc Lamp’s brightest area on the screen. Used to align and focus the Arc Lamp. Hue Also referred to as tint. A specific color such a blue, pink or aqua. Hue or tint control on a display device adjusts red/green balance. Ignitor Provides a momentary high voltage to excite the gases in the Xenon Arc Lamp to ignite. Image Light Amplifier A device that uses low-intensity images to phase ILA ®modulate a high-intensity light through a liquid crystal layer. It is a key component in producing very bright, high resolution images from Hughes-JVC large-screen projectors. Image Mirror Directs the blue and red images toward the Combining Prism. Interlacing The technique that refreshes a display screen by alternately displaying all the odd lines (field one) and then all the even lines (field two) of one frame. I/R Windows The Model 230 Projector has two I/R windows, one in front, one in back. These windows receive projector control signals from the I/R remotes. Lamphouse Dock The housing that contains the Ignitor, the Laser Power Supply, and the Arc Lamp assembly. Laser Power Supply Provides boost voltage through a spark gap to the Ignitor. Lumen A unit of measure of the flow, or rate of emission, of light. An ordinary wax candle generates 13 lumens while a 100 watt bulb generates 1,200 lumens.