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AV-28WFT1EPG
AV-28WFT1EPS
AV-32WFT1EPG
AV-32WFT1EPS
[Only AV-28WFT1EPS / AV-32WFT1EPS / AV-28WFT1EPG / AV-32WFT1EPG]
Measurin
| tam | Mewerng|
Test point
Adjustment part
:
Description
instrument
Adjustment
Remote
7. BLACK
[Method of adjustment without measuring instrument]
of BLACK
control unit
OFFSET
OFFSET
(SECAM) I
.
Receive a SECAM broadcast.
(R-Y) 4%
. Select 2. V/C from SERVICE MENU.
Select 7. BLACK OFFSET
with the FUNCTION
UP/DOWN
key.
Set the initial setting value for BLACK OFFSET (R-Y) and (B-
REMOTE CONTROL UNIT
Y) with 4 and 7 or 6 and 9 keys of the remote control.
If the picture is not the best with the initial setting value, make
LACK OFFSET ON
fine adjustment until you get the best picture.
()
'6
®
BLACK OFFSET OFF
.
Press the MENU key and memorize the setting value.
R-Y
O@®
©
B-Y
i
R-Y
CE)
(9)
B-Y
Adjustment
Signal
35 PIN (R-Y)
| 7.BLACK
[Method of adjustment using measuring instrument]
of BLACK
generator
36 PIN (B-Y)
OFFSET
niin
rennin
OFFSET
IC-304 ON
1.
Receive
a SECAM COLOUR bar signal (full field colour bar
(R-Y) #**
75% white).
(B-Y) #**
.
Select 2. V/C from SERVICE MENU.
Remote
.
Select 7. BLACK OFFSET with the FUNCTION
UP/DOWN
control unit
key.
Connect the oscilloscope between 35 pin of IC-301 and TP-E
(+).
IR-Y]
.
By using 4 and 7 keys of the remote control, adjust the
BLACK OFFSET
(R-Y) so that it becomes the waveform
changes from (a) to (b) shown in the figure.
6.
Connect the oscilloscope between 36 pin of IC-301 and TP-E.
.
By using 6 and 9 keys of the remote control, adjust the
E>
BLACK
OFFSET
(B-Y) so that it becomes
the waveform
changes from (c) to (d) shown in the figure.
(a)
(b)
.
If the picture is not the best with the adjusted picture, make
fine adjustment unti! you get the best picture.
.
Press the MENU key and memorize the setting value.
|
|
|
[B-Y]
(c)
(d)
28
No. 51694
(B-Y) ***
(SECAM) I
Oscilloscope | MAIN PWB
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