Sony MAV-70 Manual page 43

Confirmation after replacement
1. Make sure that indicator of a new fan motor unit lights
in green.
2. Make sure that all fans rotate properly. (Only when
possible)
3. Open the menu "Service : Device" on the LCD
display, and make sure that "STS" (status) of fan unit
is "Rdy". (For the menu operations, refer to the
operation manual.)
>Exit
Service : Device
Device
Fan Unit Upper 1
Fan Unit Upper 2
Setting after replacement
Open the menu "Service : Hours Meter" on the LCD
display, and reset the hours meter. (For the menu opera-
tions, refer to the operation manual.)
>Exit Service : Hours Meter
Reset Fan Unit Upper 1
Fan Unit Upper 2 2400h
MAV-70
STS Hours (h)
Rdy 2400
Rdy 3200
[2400] h
Fan Motor Replacement
Replacement part
Fan motor : 1-763-175-11
Removal procedures
1. Turn the power off.
2. Remove the fan motor unit. (Refer to the previous
page.)
3. Loosen the harness clamper.
4. Remove the four screws, and remove the fan motor.
At this time, the harness clamper is removed with the
fan motor.
5. Disconnect the connector on the LE-193 board.
. Fan (1) : CN3
. Fan (2) : CN2
< To remove the fan (1) >
Harness clamper
Fan motor
B 3x35
< To remove the fan (2) >
Fan motor
Harness clamper
B 3x35
2-4. Replacement of Main Parts
CN3
LE-193 board
CN2
LE-193
board
2-11 (E)