Sony EVO-720P - Page 256

8-4-11. SYNC Level Adjustment (DM-24 Board).
84-12. Encoder. Carrier. Balance Adjustment
{DM-24 Board)
Mode Stop
Signal Colour bar Mode Stop (Recorder side)
Measurement Point TPOOS Signal Color_bar
Measuring Instrument «| Oscilloscope Measurement Point__| TP009
‘Adjusting Element RVO12 Measuring Instrument | Oscilloscope
Specified Value 0.60£0.02 V Adjusting Element RV008, RVOIO
se Minimum chroma’ component}
Switch setting: Specified: Value of the white portion
« Recorder input select switch ....... PLAYER
e Controller... . 0.0... ee eee PLAYER Switch setting: P
aed e. Recorder input select switch ....... PLAYER 3
Connection: of Controller 055.43 ees sae ye PLAYER
1) Connect TP502 on DM-24 board (Pin $ of IC501) Connection ;
1) Connect TP502 (Pin @ of IC501) to TP503 (GND)
to TP503 (GND) with a jumper to set the test mode.
’
with
a
jumper
to
set
the’
test
mode,
Adjusting method:
1) Adjust to 0.06 £0.02 V with RVO12. Adjusting method ;
1) Turn RV008 and RVO1O alternalely so as to |
minimize the chroma component (4.43 MHz) of
the
while
portion,
:
Minimize amplitude of this. portion,
0.6040.02 v
a
Fig. 8-44.
Fig. 8-45, Encoder carrier balance adjustment
—334—