Nidek Medical SE-9090 Supra, Service Manual, Page: 27 / 350

LLE7D*RDA002B
15
5.1.2 Power supply check
Is the power supply voltage proper (single phase:
AC 200 V 50/60Hz)?
No
Install a stabilized power supply.
Yes
Are there any breaks in the power cord (CE)
(40274-CA01)?
Yes
Replace the power cord.
No
Are there any breaks in the cable ASSY (40273-
CA02)?
Yes
Replace the cable ASSY (40273-CA02) (see 9.3
[p298] and 9.4 [p299]) .
No
Are there any breaks in the cable ASSY (40273-
CA03)?
Yes
Replace the cable ASSY (40273-CA03) (see 9.3
[p298] and 9.4 [p299]) .
No
Are there any breaks in the cable ASSY (40273-
CA05)?
Yes
Replace the cable ASSY (40273-CA05) (see 9.3
[p298] and 9.4 [p299]) .
No
When the instrument breaker is turned on, are the
voltages between the following CN3 pins of the
switching regulator (80602-00101) as below?
5th - 3rd pins: DC +24 V
6th - 4th pins: DC +24 V
No
Replace the switching regulator (80602-00101)
(see 7.4.17 [p160]) .
Yes
When the instrument breaker is turned on, is the
voltage b24 V (red) and GND (black) of
terminal block TB3 for the cable ASSY (40273-
CA07) DC +24 V?
Yes
Replace the cable ASSY (40273-CA30) (see 9.3
[p298] and 9.4 [p299]) .
No
When the instrument breaker is turned on, is the
voltage b24 V (red) and GND (black) of
terminal block TB4 for the cable ASSY (40273-
CA08) DC +24 V?
No
Replace the cable ASSY (40273-CA30) (see 9.3
[p298] and 9.4 [p299]) .
Yes
End