Mechanical Pre-Adjustments; Ring Magnet Adjustments; Neck Assembly Positioning - Sony TRINITRON KD-34XBR2 Service Manual

IMPORTANT:
Make sure that the following items are checked and adjusted
whenever the CRT or Defl ection Yoke have been replaced.

2-1. RING MAGNET ADJUSTMENTS

Location of ring magnets for adjustment:
PURITY MAGNETS
Adjust the purity magnets so that the adjusting tabs are straight up.
Purity
Magnets
V-STAT MAGNETS
Adjust the V-Stat Magnets so that the adjustment tabs are approximately
± 45° from 0° (a total of 90° between each tab)
NOTE: The points ( 1 ) on the edges of each tab should be
evenly aligned (see the fi gure below).
- 45˚
V-STAT
Magnet
BMC MAGNETS
Adjust the BMC Magnets so that the adjustment tabs are approximately
± 40° from 90°.
NOTE: The rounded points ( 1 ) on the edges of each tab should
be evenly aligned (see the fi gure next column).
SECTION 2: MECHANICAL PRE-ADJUSTMENTS
Purity Magnet
BMC Magnet
V. STAT Magnet
0˚
+45˚
1
BMC
Magnet
1

2-2. NECK ASSEMBLY POSITIONING

1. The left and right sides of the neck assembly must be straight up
and down.
2. Make sure that the rear edge of the plastic fl ange on the neck
assembly is positioned directly above the edge of the CRT pin
electrodes that are soldered to G1 within the neck of the CRT (see
1 below)
CRT/Neck
Assembly
Top View
Neck Ass'y
Flange
Proper
Alignment
(Top View of
CRT Neck)
Improper
Alignment
Far Foreward
— 12 —
G1
CRT Neck
Electrodes
1
Flange Too Flange Too
Far Rearward
KD-34XBR2
50˚
90˚
130˚
Neck
Ass'y
Flange