Sharp 14V-R70M Servicehandleiding - Pagina 22
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ADJUSTMENT
ITEM
ADJUSTMENT
V03
POSITION
CONTROL
I
C BUS CONTROL
2
PRE-ADJUST
OPTION SET UP, BUS SET UP, VCO ADJ, RF-AGC, SUB-PICT, SUB-TNT
REQUIREMENT
CONTENT
US 10 CH HALF COLOR BAR PATTERN
INPUT
230V
CONDITION
R-AMP TR BASE (TP851)
OUTPUT
CONFIRM WITH OSCILLOSCOPE
1) SET THE V03 BUS DATA TO GET A WAVEFORM AS BELOW
2) THIS WAVEFORM SHOWS THAT THE 75% WHITE & RED PORTIONS
OF COLOR BAR BEAT AT THE SAME LEVEL
*PLEASE TAKE NOTE THAT SERVICE DATA F60 MUST SET TO +10
ADJUSTMENT
PROCEDURE
W
Y
[CHECKING CONFIRMATION]
SYMBOL
REVISED CONTENT,
HISTORY
OF REVISION
SUB-COLOR
STEP RANGE
0-127
Cy
G
100% WHITE
Mg
R
B
22-1
ADJUSTMENT
X-RAY PROTECTION OPERATING CONFIRMATION
ITEM
ADJUSTMENT
-
POSITION
CONTROL
PRE-ADJUST
AFTER ALL ADJUSTMENT FINISHED.
REQUIREMENT
CONTENT
US 6 CH LION HEAD (MONOSCOPE PATTERN)
INPUT
AC 230V, RF INPUT
CONDITION
OUTPUT
CONFIRMATION BY THE CRT
SET THE USER CONTROL TO SHIPMENT POSITION.
[VOLTAGE CONFIRMATION]
CHECK THE VOLTAGE OF P603 PIN 3 AS SPECIFIED BELOW.
[OPERATION CONFIRMATION]
SUPPLY THE DC VOLTAGE TO P603 PIN 3 AND MAKE SURE THE PRO-
TECTOR IS FUNCTIONED.
HORIZONTAL OSCILATION STOP AND PICTURE DISAPPEAR.
[RECOVER INFORMATION]
ADJUSTMENT
PROCEDURE
PULL OUT THE AC CORD.
[CAUTION]
FROM THE RECOVER CONFIRMATION MENTIONED ABOVE, THE AC
CODE MUST BE PULLED OUT AT LEAST 4 SECOND BEFORE PLUG-
GING IN AGAIN.(IN ORDER TO MAKE SURE THE u-COM HAS BEEN
RESET.)
[VOLTAGE CONFIRMATION]
TP VOLTAGE
26± 1.1V DC
HISTORY
SYMBOL
REVISED CONTENT,
OF REVISION
STEP RANGE
-
-
OPERATION VOLTAGE
27V
22-2