Focus Adjustment - Sony TRINITRON KV-AR34M3 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
KV-AR34M36/AR34M64/AR34M66/AR34M94

3-3. FOCUS ADJUSTMENT

FOCUS adjustment should be completed before W/B adjustment.
Focus
Screen
FLYBACK TRANSFORMER (T503)
1. Receive digital monoscope pattern.
2. Set "Picture Mode" to "Standard".
3. Set S2801 to mechanical center position.
4. Adjust focus VR so that the center of the screen becomes just
focus.
5. Adjust S2801 when corner focus is unbalance is right and left.
6. Change the receiving signal to white pattern blue back.
7. Confirm Magenta ring is not noticable. Incase magneta ring is
obvious, reset S2801 to mechanical center position and then
adjust FOCUS VR to balance between MAGENTA RING and
FOCUS.
– 15 –
RM-993
KV-AR34M60
RM-995