Sharp SX80J9, Service Manual

Page: 13 / 68

13
13-1 13-2
SX80J9
NO. CHECK POINT PROCEDUER AND CONDITIONS NOTE, ctc.
PERFORMANCE CHECK (VIDEO AND AUDIO)
For this item, check
the sub-screens too.
1 CONTRAST
2 COLOUR
3 BRIGHTNESS
4 TINT
5 NORMAL
6 SHARPNESS
7 CHANNEL SIGN
8 TREBLE
9 BASS
10 BALANCE
1
Receive the E-5CH signal.
2
Select CONTRAST in the Menu.
3
Using the UP/DOWN keys, make sure the contrast
changes accordingly.
1
Receive the J-13CH signal.
2
Select COLOUR in the Menu.
3
Using the UP/DOWN keys, make sure the colour
changes accordingly. (At the MIN position, there
must be no colour.)
1
Receive the E-5CH signal.
2
Select BRIGHT in the Menu.
3
Using the UP/DOWN keys, make sure the black level
changes accordingly.
1
Receive the J-13CH signal.
2
Select TINT in the Menu.
3
Using the UP key, make sure the tint changes to-
ward green. With the DOWN key, make sure it
changes toward red.
1
In the Picture and Sound adjustment mode, press
the Normal key to make sure the displayed content
alone appears normal.
1
Receive the E-5CH signal.
2
Select SHARPNESS in the Menu.
3
Using the UP/DOWN keys, make sure the sharp-
ness changes accordingly.
1
Make sure all the channel (0 thru 99) signs appear
DISPLAY COLOUR green (with the AFT on).
1
Receive the E-5CH signal.
2
Select TREBLE in the Menu of sound adjustment.
3
Using the UP/DOWN keys, make sure the treble
changes accordingly.
1
Receive the E-5CH signal. Keep the U-BASS off.
2
Select BASS in the Menu of sound adjustment.
3
Using the UP/DOWN keys, make sure the bass
changes accordingly.
1
Receive the E-5CH signal.
2
Select BALANCE in the Menu of sound adjustment.
3
Using the UP/DOWN keys, make sure the left-to-
right balance changes accordingly.
14 P IN P
P I P key
MOVE Key
SWAP Key
FREEZE Key
TV/VIDEO Key
CH UP/DOWNKey
1
With the PIP, MOVE, SWAP,FREEZE, and TV/
VIDEO keys, make sure the following functions are
performed as specified: PIP on/off, size switching,
four-corner movement, master/sub-screen inver-
sion, still picture, TV/Video switching.Addition: Make
also sure that the sub-screen channel changeswith
the CH UP/DOWN key.
1
Receive the E-5CH music broadcast signal.
2
Using the Menu screen, make sure the sound
modes change as follows.
3
In the mono mode, listen to the sound from the
speakers and make sure it feel wide.
13 SPATIALIZER
12 SOUND SYSTEM
1
Receive the OI-9CH PAL (D/K) colour bar signal.
Select the M, B/G and I sound systems to make
sure the sound system does not work.
2
Receive the E-23CH (I) monoscope pattern signal.
Select the M, B/G and D/K sound systems to make
sure the sound system does not work.
3
Receive the E-12CH (B/G) colour bar signal. Se-
lect the M, I and D/K sound systems to make
sure the sound system does not work.
4
Receive the JA-8CH (M) colour bar signal. Select
the B/G, I and D/K sound systems to make sure
the sound system does not work.
NO. CHECK POINT PROCEDUER AND CONDITIONS NOTE, ctc.
11 COLOUR SYSTEM
1
Receive the E-12CH PAL colour bar signal. Select
a colour system other than PAL. Make sure the
colour system does not work.
2
Receive the E-10CH SECAM colour bar signal.
Select a colour system other than SECAM. Make
sure the colour system does not work.
3
Receive the E-37CH NTSC4.43 colour bar signal.
Select a colour system other than N4.43. Make sure
the colour system does not work.
4
Receive the JA-8CH NTSC3.58 colour bar signal.
Select a colour system other than N3.58. Make sure
the colour system does not work.
SPATIALIZER OFF
SPATIALIZER 1
SPATIALIZER 2