Sony UVW-1800P Service Manual page 342

Conditions for adjustment Adjustment point « Specifications
+ Do not use the extention board. Spec. (1) Tum RV703 counterclockwise fully.
+ EE mode (2) When RV703 is tumed clockwise gradually, the phase
condition between CH-1 and CH-2 changes from NG
10 OK or OK to NG.
{3) In case of the pattern of change is started from NG as
shown in the following illustration, set RV703 to
mechanical center of range of first OK.
NG-+OK-NG— OK — Hspoit
~
OAD
the mechanical center (Re
of this range AV)
Rv703
(4) Incase of the pattern of change is started from OK as
shown in the following illustration, set RV703 to
mechanical center of range of first OK.
this point
OK -+ NG > OK > NG
Se
the mechanical center 2)
of this range CS
LS
RV703
* If the range of first OK is extremely narrow, set to
mechanical center of range of second OK.
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8 = = H
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ces of
12-33