Bmc (Hexapole) Magnet; Adjust Ych; Dynamic Convergence Adjustment; Adjust Tlh - Sony Trinitron KV-HS29M90 Service Manual

4

BMC (Hexapole) Magnet.

If the red, green and blue dots are not balanced or aligned, then
use the BMC magnet to adjust in the manner described below.
R G B R
R B
G R

(2) Dynamic Convergence Adjustment

Preparation:
•
Before starting this adjustment, adjust the horizontal static
convergence and the vertical static convergence
•
Set the PICTURE and BRIGHTNESS to normal.
1. Adjust TLH. (TLH correction piece)
1 Receive the dot/hatch pattern signal and adjust picture quality
by the menu.
2 Correct horizontal mis-convergence of red and blue of both
sides on the X axis.
When red is outside insert BMC magnet to right side (THL+)
views from DY neck. And when blue is outside, insert it to left
side (THL–) and take both sides.
R B B R
TLH +
(B) (R) (R) (B) TLH -
2. Adjust XCV core.
To able to become balance of XCV on the X axis well.
3. Adjust V-TILT.
Correct the vertical mis-convergence of red and blue of verti-
cally sides on the Y axis.
KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91
G B R G B
G B G
R B

4. Adjust YCH.

Adjust horizontal mis-convergence of red and blue of verti-
cally sides on the Y axis. Mentioned above steps 2 to 4 are
adjusting respectively perform minuteness tracking.
<KV-HS34/38>
<KV-HS29>
TOP
RV1 RV2 RV3
H-TRP YCH TLV
(TLV1)
(TLV2)
– 17 –
FRONT
TLV
YCH
H-TRP
XCV
BMC magnet
RV702
C1 board
V3 board (KV-HS29M90)
BMC magnet
C1 board
V board (KV-HS34/38M90)
XCV
RM-997
RV702