Panasonic WV-BM90

ADJUSTMENT PROCEDURE
1 TEST EQUIPMENT REQUIRED
The following equipment is required for adjustment of WV-
BM90.
0
Oscilloscope
0
Digital Voltmeter
0
Completely aligned Black and Whrte Camera WV-EL90
0
Frequency Counter
0
Resolution Chart (YWV1400RB99)
NATIONAL FhIEMMIiC
RESOLUTION CHART
Fig. l-1
3 CRT REPLACEMENT
.
Remove the cover as previously described in section 2.
l
Remove two screws holding the front chassis and slide
back the chassis wrth PCB unit.
l
Disconnect the anode cap.
-, .
Caution :
Make sure that the anode voltage is
completely discharged by directly connected
between anode terminal and chassis.
RemovG+two screws
Fig.3-1
.
Remove two screws holding the Control board assembly
and open the direction of the arrow.
2 DISASSEMBLY PROCEDURE FOR
ADJUSTMENT
.
Remove six screws holding the cover and remove the
cover by pulling it backward.
Remove six screws
Fig. 3-2
.
Disconnect the CRT socket by pulling it backward.
.
Loosen the screw holding deflection yoke and
convergence magnets assy and remove the yoke and
magnets assembly by pulling them backward.
Fig. 2-1
Deflection holding screw
CRT Sock
/
.et
Fig. 3-3