Read Sony KD-34XBR2 Service Manual online
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KD-34XBR2
SECTION 2: MECHANICAL PRE-ADJUSTMENTS
2-1. RING MAGNET ADJUSTMENTS
Location of ring magnets for adjustment:
Purity Magnet
BMC Magnet
V. STAT Magnet
PURITY MAGNETS
Adjust the purity magnets so that the adjusting tabs are straight up.
Adjust the purity magnets so that the adjusting tabs are straight up.
Purity
Magnets
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)
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).
V-STAT
Magnet
Magnet
0˚
+45˚
-
45˚
1
BMC MAGNETS
Adjust the BMC Magnets so that the adjustment tabs are approximately
± 40° from 90°.
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).
IMPORTANT:
Make sure that the following items are checked and adjusted
whenever the CRT or Defl ection Yoke have been replaced.
whenever the CRT or Defl ection Yoke have been replaced.
BMC
Magnet
Magnet
1
90˚
130˚
50˚
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
electrodes that are soldered to G1 within the neck of the CRT (see
1 below)
G1
Neck Ass'y
Flange
Flange
CRT/Neck
Assembly
Top View
Assembly
Top View
Proper
Alignment
(Top View of
CRT Neck)
Alignment
(Top View of
CRT Neck)
Improper
Alignment
Alignment
Flange Too
Far Foreward
Flange Too
Far Rearward
Electrodes
CRT Neck
Neck
Ass'y
Flange
Ass'y
Flange
1
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