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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
46
5-10. FAN
5-10-1. Turn (Final Assy only)
This is not tested for service inspection of PX amplifi 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
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