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5-9-2. Panel
Contents Inspect the LCD panel visually.
The following 16 patterns are displayed every 400
msec.
Seq
Display
（ 1 ） （ 9 ）
Normal
（ 2 ） （ 10 ）
Normal
（ 3 ） （ 11 ）
Normal
（ 4 ） （ 12 ）
Normal
（ 5 ） （ 13 ）
Reverse
（ 6 ） （ 14 ）
Reverse
（ 7 ） （ 15 ）
Reverse
（ 8 ） （ 16 ）
Reverse
Advance preparation None.
Note
The contrast (Electronic volume) value is typical.
〈 Service inspection screen 〉
Left end✽is a selecting cursor.
The fault location at the time of FAIL
The LCD module.
Pattern
Data
Solid
0000..
Solid
1111..
Check
0101..
Check
1010..
Solid
0000..
Solid
1111..
Check
0101..
Check
1010..
5-9-3. LCD-CONT (Contrast, Service Only)
Contents Inspect the LCD contrast 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.
Contrast changes by pushing the Main knob.
This inspection is ended when it changes 3 times.
The fault location at the time of FAIL
LCD module
PX10/PX8/PX5/PX3
45
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