(6) Do a check of the resistance and insulation of the LVDT/RVDT of the unit C.

 (a) If the check is correct:

 - connect the electrical connector to the unit C

 - continue, the trouble shooting.

 (b) If the check is not correct:

 - replace the unit C or the LVDT/RVDT

 - connect the electrical connector to the unit C

 - refer to the procedure that you did before.

 Loss of the ACS2 Signal of the SEC1 COM Side
 1. Possible Causes
_______________
 - SEC-1 (1CE1)

 - wiring of the ACS2 signal from the SEC1 COM side to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-90-00-810-801 Failure of an Alternating Current Supply (ACS)
 AMM 27-94-34-000-001 Removal of the SEC (1CE1,1CE2,1CE3)
 AMM 27-94-34-400-001 Installation of the SEC (1CE1,1CE2,1CE3)

R  AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-94/02
 3. Fault Confirmation
__________________
 A. Test Do the BITE Test of the EFCS (Ground Scanning) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance messages:
 L SPLR3 POS XDCR 31CE5
 and
 R SPLR3 POS XDCR 31CE6

 - remove the SEC1 (Ref. AMM TASK 27-94-34-000-001).
 (1) At the SEC1 receptacle, do a check of the resistance and of the insulation between the pin AA/14F and the pin AA/14G (15 to 250 ohms) (Ref. ASM 27-94/02).
 (a) If the resistance values are in the specified limits:

 - replace the SEC-1 (1CE1) (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).

 (b) If the resistance is less than 15 ohms (short circuit):

 1  Do the trouble shooting procedure (Ref. TASK 27-90-00-810-
_
 801).

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-90-00∞∞∞∞∞∞∞∞∞∞Page 204
 Aug 01/99 CES 2 Replace the SEC-1 (1CE1) (Ref. AMM TASK 27-94-34-000-001) and

_ (Ref. AMM TASK 27-94-34-400-001).
 (c) If the resistance value is more than 250 ohms: 1 Do a check and repair the wiring of the ACS2 signal from the
_
 SEC1 COM side to the first terminal block (Ref. ASM 27-94/02). 2 Install the SEC1 (Ref. AMM TASK 27-94-34-400-001).
_ R B. Do the test given in para. 3.

 Loss of the ACS2 Signal of the SEC1 MON Side
 1. Possible Causes
_______________
 - SEC-1 (1CE1)

 - wiring of the ACS2 signal from the SEC1 MON side to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-90-00-810-801 Failure of an Alternating Current Supply (ACS)
 AMM 27-94-34-000-001 Removal of the SEC (1CE1,1CE2,1CE3)
 AMM 27-94-34-400-001 Installation of the SEC (1CE1,1CE2,1CE3)

R  AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-94/02
 3. Fault Confirmation
__________________
 A. Test Do the BITE Test of the EFCS (Ground Scanning) (Ref. AMM TASK 27-96-00-740-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance messages:
 L SPLR4 POS XDCR 31CE7
 and
 R SPLR4 POS XDCR 31CE8

 - remove the SEC1 (Ref. AMM TASK 27-94-34-000-001).
 (1) At the SEC1 receptacle, do a check of the resistance and of the insulation between the pin AD/10G and the pin AD/10H (15 to 250 ohms) (Ref. ASM 27-94/02).
 (a) If the resistance values are in the specified limits:

 - replace the SEC-1 (1CE1) (Ref. AMM TASK 27-94-34-000-001) and (Ref. AMM TASK 27-94-34-400-001).

 (b) If the resistance is less than 15 ohms:

 1  Do the trouble shooting procedure (Ref. TASK 27-90-00-810-
_
 801).

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞27-90-00∞∞∞∞∞∞∞∞∞∞Page 206
 Aug 01/99 CES 2 Replace the SEC-1 (1CE1) (Ref. AMM TASK 27-94-34-000-001) and
　
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