Sony bg3r chassis kv-ar29k90 Service Manual

– 14 –

Fix a Permalloy assy corresponding to the misconverged
areas.

FOCUS adjustment should be completed before W/B adjustment.

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.

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

XCV

TLV1

TLV2

b

a

c

d

a-d : screen-corner
        misconvergence

a

b

c

d

Permalloy assembly

Focus

Screen