Toshiba e-STUDIO165 Service Manual page 236

Is the ADU motor working? (Perform the output check in the test mode: 04-110/160)
l NO
l
l
l
l
l
l
l
l
l
l
l
YES
Is the voltage supplied to the driver IC terminal IC1-18 on the ADU board is always at level
"H"?
l NO
l
l
l
l
l
l
l
YES
Replace the ADU board.
e-STUDIO165/167/205/207/237
TROUBLESHOOTING
1) Check if any of the connectors CN251 and CN252 on the ADU board
is disconnected.
2) Check if the relay connector between the ADU board and the PFC
board is disconnected.
3) Check if the connector CN246 on the PFC board is disconnected.
4) Check if the connector pins are disconnected and the harnesses are
open circuited.
5) Check if the conductor patterns on the ADU board and the PFC
board are short circuited or open circuited.
6) Replace the ADU motor.
7) Replace the ADU board.
8) Replace the PFC board.
1) Check if the voltage supplied to the connector CN251-12 on the ADU
board is always at level "H".
2) Check if the voltage supplied to the connector CN246-6 on the PFC
board is always at level "H".
3) Check if the voltage supplied to the CPU input terminal (e-
STUDIO165/205: IC8-41, e-STUDIO167/207/237: IC4-96 on the
PFC board is always at level "H".
4) Replace the PFC board.
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07/06
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