-14-
F2HT
VR1301
TP1310
VR1302
C1324
C1331
C1335
C1301
K20H
K20J
IC1302
C1318
IC1303
SUB CPU
X1301
C2512
C2511
TP1311
IC2501
BLACK LEVEL
ADJ.
IC1301
Sub Video Board
T402
FLYBACK
TRANS.
K4A
L704
L425
L461
C491
C402
Q402
T401
HORIZ DRIVE
TRANS.
C481
K4C
C486
C482
K4S
L462
Q461
Q462
C542
C543
Q541
Q542
Q531
C531
C546
K4E
C521
L502
C504
C512
Q505
Q501
SW501
V-CENTRE
UP
DOWN
KB4
K6A
IC651
C652
Q614
C651
IC611
C616
C624
C618
Q615
C621
T611
CONVERTER
TRANS.
K6G
Q631
Q616
C633
K6D
L633
Q633
POWER
DRIVE Q634
POWER
SWITCH Q632
IC531
R426
K4H
Q403
HORIZ.
OUTPUT
IC423
Q461
IC501
VERT.
DEF.
C506
SCREEN
FOCUS
IC481
Power & Deflection Board
1. Receive circular pattern signal.
2. Adjust V-centre by using SW501.
By using FOCUS VR, adjust focus control for well
scanning lines.
[HIGH VOLTAGE ADJUSTMENT]
1. Receive circular pattern signal.
2. Set brightness to centre and contrast to
maximum.
3. Connect a high voltage meter to CRT anode.
4. Confirm high voltage to be 30.5 ± 1 KV, and less
than 34.0KV at 0 beam current.
NOTE:
This must be done after picture size
adjustment.
1. Receive circular pattern signal.
2. Set screen mode to NORMAL.
3. Adjust right and left blanking width to be equal by
using VR1301(right) and VR1302(left).
H-BLANKING ADJUSTMENT
HIGH VOLTAGE
FOCUS ADJUSTMENT
V-CENTRE ADJUSTMENT
SERVICE CONTROL ADJUSTMENTS