Focus Adjustment - Sony Trinitron KV-XG29M30 Service Manual

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

3-3. FOCUS ADJUSTMENT

Focus adjustment should be completed before W/B adjustment.
Focus
Screen
FLYBACK TRANSFORMER (T503)
FOCUS ADJUSTMENT
1) Receive digital monoscope pattern.
2) Set "AV CONTROL" to "DYNAMIC"
3) a) Adjust FOCUS VR so that center of the screen becomes
just focus.
4) Change the receiving signal to white pattern and blue back.
5) Confirm MAGENTA RING is not noticeable,
Incase magenta is very obvious, adjust a FOCUS VR to take
balance between MAGENTA RING and FOCUS.
– 27 –
KV-XG29M30/XG29M61/XG29M80
RM-952