Sharp LC-13S2US, Service Manual

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LC-15S2U-S
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3. Test patterns in adjustment process mode
(1) IC801 (Video decoder) test patterns
1) Getting the test patterns displayed
Put the screen in AV1, AV2 or COMPONENT but keep out any signal. Call the adjustment process mode, select
"TEST PAT MODE" in the 1st line of XVC 1, make the settings 1 thru 12, and the following test patterns show up.
2) Test patterns
Black Gray White
Gradation
Dark Dark
Dark
Dark
Dark
Gray scale Bright
Bright
Bright
Bright Dark Red
Green
Blue
Dark
Dark
(2) IC1201 (LCD controller) test pattern
1) Getting the test pattern displayed
Put the screen in AV1, AV2 or COMPONENT but keep out any signal. Call the adjustment process mode, select
"DPS TESTP" in the 3rd line of DPS 1, turn on the setting, and the following test pattern shows up.
2) Test pattern
The following test pattern appears.
Note: When the IC801 and IC1201 test pattern display commands are both turned on at the same time, the IC1201
test pattern is given priority.
Pattern Mode Pattern Option TEST PAT PIC TEST PAT MODE
Color Bar 100% Color bar 0 1
75% Color bar 1 1
Ramp Ramp 0 2
Mod Ramp 1 2
Rester White 0 3
Yellow 1 3
Cyan 2 3
Green 3 3
Magenta 4 3
Red 5 3
Blue 6 3
Black 7 3