14
5.1.1 Backlight of color LCD does not illuminate
5.1.2 Power supply check (p15)
Is the voltage between the P601 (J11) 1st and 2nd
pins on the I/O board (40274-BA06) DC +24 V?
No
Replace the cable ASSY (40273-CA07)
.
Yes
Is the voltage between the P615 (J15) 2nd and 3rd
pins on the I/O board (40274-BA06) DC +12 V?
No
Replace the I/O board (40274-BA06)
.
Yes
Are there any breaks in the cable ASSY (40273-
CA16)?
Yes
Replace the cable ASSY (40273-CA16)
.
No
Are there any breaks in the flexible flat cable
(40274-E015)?
Yes
Replace the flexible flat cable (40274-E015)
No
Are there any breaks in the cable ASSY (40273-
CA15)?
Yes
Replace the cable ASSY (40273-CA16) (40273-
CA15)
(see 9.3 [p298] and 9.4 [p299])
.
No
Replace the inverter (42203-E017)
.
Is the problem resolved?
Yes
End
No
Replace the color LCD module (40273-E020)
Summary of Contents for SE-9090 Supra
Page 1: ...SYSTEM EDGER SE 9090 Supra SERVICE MANUAL September 2012 Pages in total 350 LLE7D RDA002B...
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Page 310: ...LLE7D RDA002B 298 9 3 Wiring Diagram...
Page 311: ...LLE7D RDA002B 299 9 4 Connector Cable...
Page 312: ...LLE7D RDA002B 300...
Page 313: ...LLE7D RDA002B 301 9 5 Layout Drawing 9 5 1 ASSYs 40274 2000...
Page 314: ...LLE7D RDA002B 302 40274 3000 40274 5000 40274 6000...
Page 315: ...LLE7D RDA002B 303...
Page 316: ...LLE7D RDA002B 304 40274 4000 40274 8000...
Page 317: ...LLE7D RDA002B 305 40274 7100 40274 7200 40273 7200 2 2 5 2 5 5 2 2 2 5...
Page 318: ...LLE7D RDA002B 306 9 5 2 Boards S N 700019 and earlier...
Page 319: ...LLE7D RDA002B 307 S N 700020 and later...
Page 320: ...LLE7D RDA002B 308 9 5 3 Cable ASSYs...
Page 321: ...LLE7D RDA002B 309 9 5 4 Other electrical components...
Page 322: ...LLE7D RDA002B 310...
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