Sharp LC-28HM2, Service Manual

Page: 25 / 128

25
LC-28HM2
AN-28SP2
OPERATIONS IN PROCESS ADJUSTMENT
<Basic functions for adjustment>
Cursor button up/down : Page backward/forward
Channel selection up/down : 1 line backward/forward
Menu: 1 line forward
Cursor button left/right
: Adjustment value –16/+16
Volume up/down : Adjustment value +1/–1
<Video source switching function> (See below.)
Input selection : Input switch (Including frequency mode)
AV button : Input switch (In every input source)
→
Video 1 (Composite)
→
Video 1 (S)
→
Video 2 (Composite
→
Video 2 (S)
→
Video 3
→
→
Component 1 (15k)
→
Component 1 (31k)
→
Component 1 (33k)
→
Component 1 (45k)
→
→
Component 2 (15k)
→
Component 2 (31k)
→
Component 2 (33k)
→
Component 2 (45k)
→
PC
→
* Input selection switches the whole mode including the difference of frequency. AV button moves to the
border of input source.
PC button : Input switch (Direct PC)
Video1/Video2/Video3 : Input switch (Direct video (composite))
1-12 buttons
: Special functions are allocated in the process adjustment.
(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 2 P initialization for example,
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.