Sharp 21HF2-SS, Service Manual

Page: 25 / 73

21HF2-SS
3 – 22
12. FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
No. Adjustment point Adjustment condition/procedure Waveform or others
1 CONTRAST key 1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to select CON
TRAST.
3) Press Volume Up/Down key to check whether the CONTRAST
effect is OK or not..
2 COLOUR key 1) Receive "Colour Bar" signal.
2) Set MENU, then go into PICTURE mode to select COLOUR.
3) Press Volume Up/Down key to check whether the COLOUR
effect is OK or not.
3 BRIGHTNESS key 1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to select BRIGHT
NESS.
3) Press Volume Up/Down key to check whether the BRIGHT
NESS effect is OK or not.
4 TINT key 1) Receive the "NTSC Colour Bar" signal thru AV in.
2) Set MENU, then go into PICTURE mode to select TINT.
3) Press Volume Up/Down key to check TINT, UP for GREEN
direction and DOWN for PURPLE direction whether is OK or
not.
5 SHARPNESS key 1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to select SHARP
NESS.
3) Press Volume Up/Down key to check whether the SHARP
NESS effect is OK or not.
6 CH DISPLAY
COLOUR 1) All Ch (1~99) will have an OSD display of the channel number
in green colour under AFT ON condition.
7 WHITE TEMP 1) Receive "Monoscope Pattern" signal.
2) Set MENU, then go into PICTURE mode to select WHITE
TEMP.
3) Press Volume Up/Down key to check WHITE TEMP function.
The back ground will change to (shift right) bludish and (shift
left) reddish..
8 NORMAL Key 1) Once in PICTURE Mode, and the NORMAL key is pressed, all
the settings will be present to normal setting.
(Normal setting value for every mode).
•
CONTRAST : MAX
•
COLOUR : CENTER
•
BRIGHTNESS : CENTER
•
TINT : CENTER
•
SHARPNESS : CENTER
•
WHITE TEMP : CENTER
NOTE: If NORMAL mode, when press NOR-
MAL key, will appear NORMAL OSD
and all setting PICTURE function set to
NORMAL.