Sharp 21J-FG1RU Service Manual page 26

21J-FG1RU
12. FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
No. Adjustment point
1 CONTRAST key
2
COLOUR key
3 BRIGHTNESS key
4 TINT key
5 SHARPNESS
Key
6 CH DISPLAY
COLOUR
7 NORMAL Key
8 WHITE TEMP
Adjustment procedure/conditions
1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to se-
lect CONTRAST.
3) Press Volume Up/Down key to check whether the
CONTRAST effect is OK or not.
1) Receive "Colour Bar" signal.
2) Set MENU, then go into PICTURE mode to se-
lect COLOUR.
3) Press Volume Up/Down key to check whether the
COLOUR effect is OK or not.
1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to se-
lect BRIGHTNESS.
3) Press Volume Up/Down key to check whether the
BRIGHTNESS effect is OK or not.
1) Receive the "NTSC Colour Bar" signal thru AV in.
2) Set MENU, then go into PICTURE mode to se-
lect TINT.
3) Press Volume Up/Down key to check TINT, UP
for GREEN direction and DOWN for PURPLE di-
rection whether is OK or not.
1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to se-
lect SHARPNESS.
3) Press Volume Up/Down key to check whether
the SHARPNESS effect is OK or not.
1) All Ch (1~99) will have an OSD display of the
channel number in green colour under AFT ON
condition.
Once in PICTURE or SOUND Mode, and the NOR-
1)
MAL key is pressed, all the settings will be preset to
normal setting accordingly.
(Normal setting value for every mode)
PICTURE MODE
CONTRAST : MAX
COLOUR : CENTER
BRIGHTNESS : CENTER
TINT : CENTER
SHARPNESS : CENTER
WHITE TEMP : CENTER
1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to se-
lect WHITE TEMP.
3) Press Volume Up/Down key to check WHITE
TEMP function The back ground will change to
(shift right) bluish and (shift left) reddish.
*SOUND MODE
SURROUND : OFF
TREBLE : CENTER
BASS : CENTER
BALANCE : CENTER
3 – 23
Waveform and others
In NORMAL Mode, when press
NORMAL key, will appear
NORMAL OSD and all setting
PICTURE, SOUND functions
set to NORMAL.