The Equipment Does Not Start After The Power Has Been Turned On - Toshiba e-STUDIO 2555C Service Manual

8.4.7 The equipment does not start after the power has been turned
ON.
[3]
[1] [2]
N
G
L
FG
Check item
Power voltage
Power cable
Switching power supply
(LVPS) [3]
LGC board
SYS board
IH board
Parts to be replaced
Fuse
Harness (for the inlet)
© 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
LVPS
F2
F1
[5]
[4]
Fig.8-2
Check if the power voltage is proper for this equipment.
Is the voltage for this equipment +/-10% of the rated voltage?
Check if the harnesses are properly connected or if they are open
circuited.
Check if there is any abnormality on the inlet [1] and the harness
(for the inlet) [2].
Check if there is any abnormality on the main power switch [4] and
the harness (for the main power switch) [5].
Check if the fuses (F1 and F2) on the input side have not melted.
Check if the following voltage is output normally:
5VS: Pins CN511-5 and -6
12VA: Pins CN511-9, -10 and -11
Reconnect the connectors.
Replace the harnesses.
Replace the LGC board.
Reconnect the connectors.
Replace the harnesses.
Replace the SYS board.
Reconnect the connectors.
Replace the harnesses.
Replace the IH board.
8 - 275
CN511
Measures
Remark
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8