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nets ntenmn enc totennatentntinnnena
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ant
tnr aetetn C
NS
a
eiivdes
:
DISCRIMINATION ADJUSTMENTS
(RV331 and L331)
1.
Input a SECAM color bar signal.
2.
Connect the oscilloscope to pin @ of IC331.
3.
Adjust RV331 until the white and black sections
of the waveform at pin @ are at the 0 level.
Connect the oscilloscope to pin @ of IC331.
4.
Adjust L331 until the white and black sections of
the waveform at pin @ are at the 0 level.
0 level
ti
black
part
(white and black levels
ea
cole
should become
0 level)
~ te
(After adjustment)
(white part)
(Before Adjustment)
sc se cena Sete
f s
KV-C2161D/C2561D/C2961C
-
RM-81€
4-3.
D BOARD ADJUSTMENTS
RV601
@
ST-BY +B ADJ
RV501
@
D
9 [or]
RVS02
H.PHASE ADJ
D BOARD (COMPONENT SIDE)
+B ADJUSTMENT
(RV501
1.
Connect the digital multimeter to TP91.
2.
Adjust RV501 to obtain 135+0.2V.
ST-BY +B ADJUSTMENT
(RV601
1.
Put
the system
into (! standby
mode
(remote
commander).
2.
Connect the digital multimeter to TP91.
3.
Adjust RV601 to obtain 135+3V.
4.
Take the system out of ® standby mode (remote
commander).
H.PHASE ADJUSTMENT
(RV502
-
Input a PAL color bar signal.
no
Set the picture and brightness controls
to their
normal levels.
Set RV1508 (H.CENT) to its mechanical center.
Connect the oscfMoscope to pin @) (SCE) of IC.
501.
;
,
Rotate RV502 to adjust. to H40.1ys-- ~:~ -
H+0.1ps
| |
- Standard of H. PHASE
as
Sh
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