Hitachi CMT2195 Service Manual page 7

CMT2195
VERTICAL AMPLITUDE ADJUSTMENT
ADJUSTMENT LOCATION VR601
idjustnet Procedure
Start adjustment 5 minutes or more} 1 |Select V, CENT select chip E601 "v",
after the power switch is tunred on. "N" and "D" so that the center of the
picture is closest to the geometrical
center of the CPF.
Preparations for adjustment
ae
Nore
Receive the PAL circle pattern signal.
Set the brightness and contrast VRs to! 2
maximum,
3
Place the set facing north or south.
Adjust VR601 as shown in Fig, 3-3-1,
Receive the NTSC circle pattern signal
and check that the picture is the same
RTE ne ee eR ye TN a rig tt be a ne ee ree ne eA H a r a
Top expanded,
bottom shrinked
Standard
condition
Top shrinked,
bottom expanded
Leta see ome Be Tera TS
Picture :
a
condition as |
i
|
;
Center of inner and outer ) i
: : 4
Adjustment Picture top Center of inner circle
r method Picture , Center of inner and i
bot tom nner .clrele outer circles
a
ofS j
Fig. 3-3-1 i
3
BS eer A
ADJUSTMENT POINT
ju]
HORIZONTAL CENTER c
TUNER POSITION ADJUSTMENT +B :
Ducted :
a/ ® ;
wa' 4
ADJUSTMENT :
POSITION ADJUSTMENT © |rocus abu, |
a se C+ lo :
~12-