Focus Adjustment - Sony TRINITRON KV-XA25M60 Service Manual

KV-XA25M60/XA25M63/XA25N90
RM-954
TLV Rotate TLV-2 VOL (29", 34") on DY
Rotate TLV
XCV Rotate XCV Adj core on DY
YCH Rotate YCH VOL on DY
TLH Insert TLH
ON DY:
TLV2
(3) Screen-corner Convergence
Fix a Permalloy assy corresponding to the misconverged
areas.
a
d
Permalloy assembly
http://cxema.ru
RM-914
VOL (25") on DY
Correction Plate to DY Pocket (Left or
Right)
YCH TLV1
XCV
b a
a-d : screen-corner
misconvergence
c d
b
c

4-3. FOCUS ADJUSTMENT

FOCUS adjustment should be completed before W/B adjustment.
1. Receive digital monoscope pattern.
2. Set "Picture Mode" to "DYNAMIC".
3. (a) Adjust figure VR so that the center of screen becomes just
focus ( except 25").
(b) Adjust focus VR so that the lion teeth becomes just focus
(25" only).
4. Change the receiving signal to white pattern and blue back.
5. Confirm magenta ring is not noticable. Incase magenta ring is
obvious, adjust FOCUS VR to balance between MAGENTA
RING and FOCUS.
Focus
Screen
FLYBACK TRANSFORMER (T503)
– 48 –