Read Sony KV-AR25M81A Service Manual online
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KV-AR25M81A
RM-952
(3) Screen-corner Convergence
Fix a Permalloy assy corresponding to the misconverged
areas.
areas.
2-3. FOCUS ADJUSTMENT
FOCUS adjustment should be completed before W/B adjustment.
1.
Receive digital monoscope pattern.
2.
Set "Picture Mode" to "DYNAMIC".
3.
Adjust focus VR so that the lion teeth becomes just focus.
4.
Change the receiving signal to white pattern blue back.
5.
Confirm Magenta ring is not noticable. Incase magneta ring is
obvious, adjust FOCUS VR to take balance of MAGENTA
RING and FOCUS.
TLV
Rotate
TLV-2 VOL (29”, 34”) on DY
Rotate
TLV
VOL (25”)
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:
FLYBACK TRANSFORMER (T503)
YCH
XCV
TLV1
TLV2
b
a
c
d
a-d : screen-corner
misconvergence
misconvergence
a
b
c
d
Permalloy assembly
Focus
Screen
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