Operations In Process Adjustment - Sharp LC-28HM2U Service Manual

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OPERATIONS IN PROCESS ADJUSTMENT

<Basic functions for adjustment>
Cursor button up/down
Channel selection up/down : 1 line backward/forward
Menu: 1 line forward
Cursor button left/right
Volume up/down
<Video source switching function> (See below.)
Input selection
AV button
Video 1 (Composite)
Component 1 (15k)
Component 2 (15k)
* Input selection switches the whole mode including the difference of frequency. AV button moves to the
border of input source.
PC button
Video1/Video2/Video3 : Input switch (Direct video (composite))
1-12 buttons
(TV direct channel button)
1
Color system selection
2
To change the vertical frequency setting for component 15kHz (50Hz/60Hz)
3
Unused
4
To switch the color system to N358
5
To switch the color system to PAL
6
To switch the color system to SECAM
7
To switch to component 15kHz/60Hz
8
Unused
9
Unused
10
Unused
11
Unused
12
Unused
<Special buttons>
Screen display button : Display and non-display of OSD. (Some functions, E
are disabled under non-display condition.)
End button
: Wide-view function switch
1-10 buttons
: After displaying solid screen in G/A TESTPAT, enter 3-digit figures using these keys
and press ENTER to set the luminance level.
Preset button
: Make presetting
Brightness (Toggle) : Brightness selection is done in the sequence of BRIGHT, MEDIUM and DARK.
Brightness (Direct) : Brightness can be set directly to BRIGHT, MEDIUM or DARK.
: Page backward/forward
: Adjustment value –16/+16
: Adjustment value +1/–1
: Input switch (Including frequency mode)
: Input switch (In every input source)
Video 1 (S)
Video 2 (Composite
Component 1 (31k)
Component 2 (31k)
: Input switch (Direct PC)
: Special functions are allocated in the process adjustment.
Video 2 (S)
Component 1 (33k)
Component 1 (45k)
Component 2 (33k)
Component 2 (45k)
2
P initialization for example,
25
LC-28HM2
AN-28SP2
Video 3
PC

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