Sharp 21F-PA330I, Service Manual

Page: 12 / 28

No.
6
7
8
9
10
11
12
13
Adjusting point
CH DISPLAY
COLOUR
NORMAL key
WHITE TEMP
COLOUR
SYSTEM
SURROUND
TREBLE
BASS
BALANCE
All Ch (1~99) will have an OSD display of the
channel number in green colour under AFT ON
ondition.
Once in PICTURE or SOUND Mode, and the
NORMAL key is pressed, all the settings will be
preset to normal setting accordingly.
(Normal setting value for every mode)
Receive “Monoscope Pattern” signal.
Set MENU, then go into PICTURE mode to select
WHITE TEMP.
Press Volume Up/Down key to check WHITE
TEMP function The back ground will change to
(shift right) bluish and (shift left) reddish.
Receive the “PAL COLOUR BAR” signal, press
MENU, choose CH-SETTING to select COLOUR
mode except PAL, check the COLOUR is not
working properly. Then, sclect the “PAL” mode.
Check again its colour so that it is working properly.
Receive “NTSC 3.58/4.43 COLOUR BAR” signal
thru AV, press MENU, choose CH-SETTING to
select COLOUR modes except N3.58/4.43,
check the COLOUR is not working properly.Then,
select the N3.58/4.43 mode. Check again its
colour so that it is working properly.
Receive “music” sound signal.
Set MENU, then go into SOUND MENU to select
SURROUND.
Press Volume UP/DOWN key to check SURROUND
I, II and OFF effect.
Receive “music” sound signal.
Set MENU, then go into SOUND MENU to select
TREBLE.
Press Volume UP/DOWN key to check whether
the TREBLE effect is OK or not.
Receive “music” sound signal.
Set MENU, then go into SOUND MENU to select
BASS.
Press Volume UP/DOWN key to check whether
the BASS effect is OK or not.
Receive mono-tone signal.
Set MENU, then go into SOUND MENU to select
BALANCE.
Press Volume UP/DOWN key to check whether
the left to right BALANCE effect is OK or not.
Wavefrom and others
In NORMAL Mode, when press
NORMAL key, will appear
NORMAL OSD and all setting
PICTURE, SOUND functions
set to NORMAL.
No.
14
15
16
No.
1
Adjusting point
SOUND SYSTEM
NOISE MUTE
CHECKING
OSD LANGUAGE
QUANTITY
CHECK
Adjusting point
HEADPHONE
OUTPUT
CHECKING
Receive “PAL-B/G” signal, press MENU, choose
CH-SETTING to make sure there is NO sound system
selection and check the sound output is working
properly.
Receive “PAL COLOUR BAR” signal.
Turn UP the volume control to maximum, make sure
the sound is head from the speakers. Turn put the
until in no signal state.
Check the sound mute is effective.
Finally turn sound level of CTV to minimum.
Check OSD LANGUAGE quantity and type for respect
model.
Receive PAL COLOUR BAR with SOUND 400Hz,
100% MODULATION ( 50KHz Dev).
Maximum volume, and ckeck the headphone
output with 400Hz sound and no sound output
from speaker.
Wavefrom and others Adjusting procedure/conditions
1.
1.
1.
2.
3.
1.
2.
1.
2.
3.
1.
2.
3.
1.
2.
3.
1.
2.
3.
: MAX
: CENTER
: CENTER
: CENTER
: CENTER
: CENTER
PICTURE MENU
CONTRAST
COLOUR
BRIGHTNESS
TINT
SHARPNESS
WHITE TEMP
SOUND MENU
SURROUND : OFF
TREBLE
: CENTER
BASS : CENTER
BALANCE : CENTER
Adjusting procedure/conditions
1.
2.
1.
2.
3.
4.
1.
1.
2.
QUANTITY ENGLISH THAI
2
O O
SHOCK TEST CHECKING
Hit at the top of TV set for two time.
Check TV set not damage and TV operation operate
correctly.
Receive bilingual channel.
Press R/C “MPX” button, and the sound will change
SOUND1 to SOUND2.
Wavefrom and others Adjusting point
SHOCK TEST
Adjusting point
BILINGUAL
FUNCTION
CHECKING
BILINGUAL CHECKING
Wavefrom and others
No.
1
No.
1
Adjusting procedure/conditions
1.
2.
1.
2.
Adjusting procedure/conditions
HEADPHONE JACK CHECKING
Adjusting procedure/conditions
Wavefrom and others
12
12-2
12-1
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