Okuma Manuals

User Guide

for

CRT to PZRK-OKUMA-LCD5000 Retrofits

Included Parts:

•  LCD panel and metal chassis

•  Video signal input connector

•  AC input connector

Necessary Tools:

•  Philips Screwdriver

Estimated Time of Completion:

•  2-4 Hours

General Specifications:

•  Sturdy metal chassis with mounting holes equivalent to original color CRT

•  Plastic bezel with equivalent color CRT radius of curvature

•  User service controls of brightness, contrast, auto setup, etc

•  User service controls accessed in rear

•  Temperature - Operating from -30 to +85 °C (depending on LCD panel)

•  AC Power Range - 100-240 VAC (50/60Hz)

•  AC Input Connector - IEC 320

•  Agency Compliance - UL (UR, cUR) and CB

Retrofit Procedure:

Important Components

Please refer to the figure for identification of major components throughout the retrofit procedure.

1.    Monitor Housing

•      Main Cover

•      Back Panel

•      Top Panel

•      Power Input

2.    Control Unit

•      I/O Boards

•      I/O Board Housing

•      Main Power Supply

Removal of Operator Panel

1.    Power off machine completely; main disconnect on the machine needs to be turned off. Follow all lockout/tagout procedures per OSHA standards.

2.    Open rear of operating panel

3.    Disconnect power plug and all data (CNP) connectors from operator’s panel.

*NOTE: LABEL CNP CONNECTORS BEFORE DISCONNECTING*

        

4.    Remove and set aside the 6 screws holding the front metal cover

                           

5.    Remove and set aside the 8 screws fastening the operator panel to the machine.

        

6.    Remove the operator panel from the machine.

Removing Monitor Chassis from Control Panel

1.    Remove back panel from main monitor housing and set aside the 6 screws.

2.    Remove top panel from main monitor housing and set aside the 6 screws.

3.    Disconnect CRT power, fan power, and ground from main power supply. +5V, COM, V1, and V2 need not be disconnected.

                             

4.    Remove brightness adjusting potentiometer, this will no longer be needed as brightness can be adjusted through OSD (on-screen-display) of LCD.

                          

5.    Unscrew housing of I/O boards set aside the screws (8).

6.    Remove and set aside the 5 screws securing the main housing of monitor to operator panel chassis.

7.    Disconnect input video ribbon cable from monitor circuit board. This will be used later.

8.    Unscrew the 8 screws (4 on either side) that secure the monitor chassis to the operator panel chassis and set aside the screws. Lift the I/O board housing to gain access to the screws next to the I/O boards.

  

9.    Remove the monitor chassis from the operator panel chassis.

                                      

Removal of CRT

1.    Remove AC power connector from CRT power supply

2.    Remove High Voltage connector from CRT by bending clip with screwdriver while pulling on connector. WARNING: WAIT 1 HOUR BEFORE  REMOVING HV CONNECTOR TO ENSURE POWER IN CRT HAS DISSIPATED

3.    Remove video board from back of CRT by pulling on the board                            

4.    Remove and set aside the 4 screws holding the CRT in the chassis

5.    Remove CRT

6.    Remove CRT power supply (4 screws), the main CRT circuit board, and all components inside the monitor chassis.

                        

Installing LCD Retrofit

1.    Dust off metal fixtures and wipe down inside of monitor screen protector

2.    Mount LCD retrofit to monitor chassis using the 4 original screws and mounting holes.

    

3.    Connect power cable and video signal cable (VGA) to LCD

         

4.    Remove LCD screen protector

5.    Secure monitor chassis to operator panel chassis using the 8 (4 on each side) original screws. Once again, the I/O board housing must be lifted to gain access to some of the screws.

         

6.    Connect input video ribbon cable to the VGA cable from retrofit kit.

         

7.    Run power cables through hole on Main Housing

                      i.        1 cable for LCD power

                    ii.        3 wires for main power from machine (2 AC 120V, 1 Gnd)

                   iii.        2 wires for fan power (2 AC 120V)

       

8.    Secure monitor housing to operator panel with the 5 original screws

9.    Secure I/O board housing with the 8 original screws

10. Connect wires to main power supply (connect fan leads to AC1 and AC2, polarity does not matter)

          

11. Install top panel to main housing (6 screws)

*NOTE: Do not install back panel yet*

         

Installing Retrofitted Control Panel into Machine

1.    Fasten the retrofitted control panel to the machine (8 screws).

2.    Connect the power plug from the machine to the panel.

3.    Connect all the signal connectors (CNP) to the I/O Boards

*NOTE: Make sure back of LCD panel is still accessible at this point*

4.    Power on the machine and turn control power on.

5.    Press the power button on the back of the LCD. The screen is pre-adjusted at Precision Zone so it should display the proper data upon powering on. If display is not correct or needs adjustment, refer to Appendix.

                 

6.    After adjustments are made, install the back cover to monitor housing (6 screws).

7.    Close rear of operator panel.

8.   
Install the metal cover to the front of operator panel (6 screws).

Appendix

Adjusting LCD Module:

• Press "Auto" button once. Screen will temporarily become unstable then it will lock-in. Further adjustments can be made via control buttons on the back of the LCD panel.

*Note: With this model, remote analog brightness/contrast controls (potentiometer) are no longer available. Brightness and contrast are controlled within the LCD through the on-screen-display menu.

Display Controls
Button	Function
MENU(ENTER)	Turns the on-screen-display menu on, used to select sub-menu, and scrolls through functions of indexed sub-menu
DEC	Scrolls to previous sub-menu or decreases the indexed setting
POWER	Turns unit on and off
INC	Scrolls to next sub-menu or increases the indexed setting
AUTO	Allows for automatic setup of monitor. Also used to exit sub-menu

On Screen Display Sub Menus:

                           

•      Picture

•      Brightness: fine tune brightness level

•      Contrast: adjust contrast to accommodate ambient lighting

•      H-size: adjust the horizontal size

•      V-size: adjust the vertical size

•      H-position: adjust the horizontal position

•      V-position: adjust the vertical position

•      Sharpness: fine tune sharpness

•      Sound(Not used)

•      Color Temp

•      Color temperature 6500K

•      7500K

•      9300K

•      User

•      Language

•      Choose one of the nine languages

•      OSD(On Screen Display)

•      OSD Time Out: Set duration before idle menu turns off.

•      OSD Position: Set position of OSD (1-5)

•      OSD Transparency: Set transparency of OSD

•      Recall: Recall default values

•      Auto Adjust: Auto adjust OSD

•      White Balance: White balance settings of OSD

•      Analog/Digital

•      Analog

•      Digital

Main Board -Input Signal Connector thru Standard Analog VGA cable - 15-pin HD D- sub connector

Pin #	Description	Pin #	Description
1	Red Analog Video	9	NC
2	Green Analog Video	10	Sync Gnd
3	Blue Analog Video	11	ID Bit 0
4	ID Bit 2	12	ID Bit 1
5	Gnd	13	Horizontal Sync
6	Red Video Gnd	14	Vertical Sync
7	Green Video Gnd	15	NC
8	Blue Video Gnd

Troubleshooting - General Notes & Guidance:

·        If the display does not present the proper information upon completing the instructions of this guide, there are a few tests that can be used to isolate the issue. First, the self-test function will be used to demonstrate that the LCD panel, the main board, and the back light interface are all working properly. It also shows that the proper power is being supplied and that all internal cables are properly connected. Perform the self-test in the following way:

1. Connect power cable but do not connect signal cable

2. Turn machine and control power ON

3. If screen is dark (OFF), on the "user" control panel, press the "Power" button

4. One of the following should be observed:

• The CCFL or LED for panel back lighting should power up (some flicker should be observed)

5. If nothing happens, wait a few seconds and press the "Auto" button

6. The screen should now cycle through different solid color backgrounds, if this does not happen:

• Check that power is applied properly.

• Check that the signal cable is not connected. If it is, disconnect cable and start from step 1.

1.   If all checks have been performed and the self-test sequence is not occurring, the unit should be returned to Precision Zone for analysis.

·        Once the self-test has provided assurance that monitor is working properly and that a signal can be applied, connect signal cable and note proper display of data. If data is present, but not displayed properly, press the "AUTO" button on the user control panel. The main board will realign the data based on input signal and properly display the data. If the data is not present, there are a few reasons this may occur:

1. If the signal presented does not have the corresponding horizontal and vertical "refresh" frequencies that can be matched to the LCD panel, the screen will not display anything. The LCD panel will typically be black (but in some cases blue)

• Check if LCD panel backlight is still on

2. If the backlight is ON, the input signal is missing. Verify that the signal source is ON and operating properly. Verify that input signal cable is wired properly and that horizontal and vertical sync signals are being presented to the proper pins.

3. Contact Precision Zone for additional assistance if all appears to be proper and monitor is still not displaying data properly.