46
PX10/PX8/PX5/PX3
5-9-4. LCD-BL (Backlight)
Contents
Inspect the LCD backlight visually.
Confirm the change of the minimum
→
maximum
→
center luminance visually.
Advance preparation
None.
〈
Service inspection screen
〉
Left end
✽
is a selecting cursor.
A voltage measurement inspection is not conducted.
Inspect the lighting situation of backlight visually.
Backlight changes by pushing the Main knob.
This inspection is ended when it changes 3 times.
The fault location at the time of FAIL
LCD-BL, LCD module
5-10
.
FAN
5-10-1. Turn (Final Assy only)
This is not tested for service inspection of PX ampli
fi
er.
5-10-2. Maximum speed
Contents
In service inspection mode : It inspects rotating
visually.
Advance preparation
None.
〈
Service inspection screen
〉
Left end
✽
is a selecting cursor.
The fault location at the time of FAIL
Around FAN-CONT signal. FAN
