WLPCBoard

Lb50u Schematic

Schematic Diagram for Model PT-LB50NTU LB50U LB50SU THE SHADED AREA ON THiS SCHEMATIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING, IT IS ESSENTIAL THAT ONLY MANUFACTURER'S SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SHADED AREAS OF THE SCHEMATIC. Schematic Diagram for Model PT-LB50NTE EA, LB50E EA, LB50SE EA Components identified by the international symbol have special characteristics important for safety....

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WL-P.C.Board 1 3 TNPA3876 PT-LB50NTU E EA TP1910 R1802 22 SDDAT3 - -- VSS DQ15 VSSQ DQ14 DQ13 VDDQ DQ12 DQ11 VSSQ DQ10 DQ9 VDDQ DQ8 VSS VDDQ DQ5 DQ6 VSSQ DQ7 VDD LDQM WE CAS RAS CS BAO BAI A10 WL-P.C.Board 2 3 TNPA3B76 PT-LB50NTU E EA WL-P.C.Board 3 3 TNPA3876 PT-LB50NTU E EA

32 Self Check Display and Contents

Display example This display is an example and the display contents depend on the input signal mode. TU E EA only The result of items G SAVED and U SAVED, OK is displayed for OK and NG is displayed for NG. The result of items TEMP, FAN, LAMP and 2000H, the OK display becomes red characters when shutting down because abnormality happened last time. Different display according to the input signal Around Air Outlet AID conversion value 0 - 255 Around Air Inlet A D conversion value 0 - 255 Around...

9 Troubleshooting

Nellcor Wire Connections

The letters in the left of the inspection items indicate the P.C.Boards or Modules related to their respective descriptions. Note The letter of the alphabet indicates the P.C.Board or Module name. Example A A-P.C.Board, B B-Module If replacing A-P.C.Board assembly , read the ROM data from the old P.C.Board and write it in the new one according to the section 8.6. Software for Adjustment. At this time, if the readout from the old PC.Board does not succeed, remove IC1011 and IC1017 from the old...

718 Replacement of Incidence Polarizer G

Remove the A-P.C.Board block according to the steps 1 through 6 in the section 7.3. Removal of A-P.C.Board. 2. Mark positions of the incidence polarizer G . Note Mark accurately as possible because the marks will be used for resetting the incidence polarizer position. 3. Unscrew the 1 screw and remove the incidence polarizer 4. Attach a new incidence polarizer G and align it with the mark. 5. Tighten the 1 screw with care not to move the incidence polarizer position.