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1 (E)

WLL-CA55

Table of Contents

Manual Structure

Purpose of this manual ........................................................................................ 5 (E)

Relative manuals ................................................................................................. 5 (E)

Contents ............................................................................................................... 6 (E)

1. Service Overview

1-1.

Connector Input/Output Signals ............................................................ 1-1 (E)

1-2.

Connection Connector/Cable ................................................................ 1-5 (E)

1-3.

Removing/Reinstalling the Exterior Parts ............................................. 1-5 (E)

1-4.

Board Location ...................................................................................... 1-6 (E)

1-5.

Circuit Description ................................................................................ 1-7 (E)

1-5-1.

VPR-84 Board ...................................................................... 1-7 (E)

1-5-2.

DPR-255 Board .................................................................... 1-8 (E)

1-5-3.

APR-69 Board ...................................................................... 1-9 (E)

1-5-4.

IF-936 Board ...................................................................... 1-11 (E)

1-5-5.

PS-678 Board ..................................................................... 1-11 (E)

1-5-6.

PS-668 Board ..................................................................... 1-12 (E)

1-6.

Setting of Internal Switches ................................................................ 1-12 (E)

1-7.

Rearranging the Harness ..................................................................... 1-14 (E)

1-8.

Flexible Card Wire .............................................................................. 1-14 (E)

1-8-1.

Removing/Reinstalling the Flexible Card Wires ............... 1-14 (E)

1-8-2.

Forming the Flexible Card Wire ........................................ 1-15 (E)

1-9.

Removing/Reinstalling the PS-668 Board and Transmitter ................ 1-15 (E)

1-10. Removing/Reinstalling the 68-pin Connector

(CN-2494/2495 Board) ....................................................................... 1-18 (E)

1-11. Adjustments/Settings after Replacing the Boards and EL Display ..... 1-20 (E)

1-12. Settings after Replacing the EEPROM/NV-RAM .............................. 1-20 (E)

1-13. Writing and Rewriting the PLD Internal Data .................................... 1-20 (E)

1-14. Updating the Software ......................................................................... 1-22 (E)

1-15. Setting of Serial Number ..................................................................... 1-23 (E)

1-16. Resetting the Timer ............................................................................. 1-24 (E)

1-17. Optional Fixtures ................................................................................. 1-26 (E)

1-18. Note on Service ................................................................................... 1-27 (E)

1-18-1. Error Message .................................................................... 1-27 (E)
1-18-2. Notes on RF OUT Connector ............................................. 1-27 (E)
1-18-3. Note on Replacing the EL Display ..................................... 1-27 (E)
1-18-4. Circuit Protection Device ................................................... 1-27 (E)
1-18-5. Notes on Disconnecting/Connecting the Coaxial Cable .... 1-27 (E)
1-18-6. Note on Handling the Fine Pitch Coaxial Cables ............... 1-28 (E)
1-18-7. Unleaded Solder ................................................................. 1-29 (E)
1-18-8. Notes on Repair Parts ......................................................... 1-29 (E)