Sharp 14V-R70M Servicehandleiding - Pagina 21
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ADJUSTMENT
ITEM
ADJUSTMENT
V01
POSITION
CONTROL
I
C BUS CONTROL
2
PRE-ADJUST
OPTION SET UP, BUS SET UP, SCREEN, WHITE BALANCE, SUB-BRIGHTNESS
REQUIREMENT
CONTENT
WINDOW PATTERN
INPUT
230V
CONDITION
OUTPUT
CRT SCREEN DISPLAY.
1) LET THE GUN POINT AT WHITE POSITION (AS ATTACH DRAWING),
ADJUST V01 BUS DATA UNTIL BRIGHTNESS Y=150 cd/m2.
NOTE: ALLO WABLE D ATA FOR V01 IS >= 90, EVEN Y CAN'T MATCH
THE SPEC
WHITE
ADJUSTMENT
PROCEDURE
[VOLTAGE CONFIRMATION]
BRIGHTNESS Y=150 cd/m2
SYMBOL
REVISED CONTENT,
HISTORY
OF REVISION
SUB-PICTURE
STEP RANGE
0-127
US14
21-1
ADJUSTMENT
ITEM
ADJUSTMENT
V02
POSITION
CONTROL
I
C CONTROL
2
PRE-ADJUST
OPTION SET UP, BUS SET UP, VCO ADJ, RF-AGC
REQUIREMENT
CONTENT
US 10 CH HALF COLOR BAR PATTERN
INPUT
230V
CONDITION
B-AMP TR BASE (TP853)
OUTPUT
CONFIRM WITH OSCILLOSCOPE
1) GET IN Y-MUTE FUNCTION BY R/C.
2) ADJUST THE V02 BUS DATA TO GET A WAVEFORM AS BELOW.
3) DISABLE THE Y-MUTE
**PLS TAKE NOTE THAT SERVICE MODE DATA F61 NEED TO SET +8
ADJUSTMENT
PROCEDURE
[CONFIRMATION]
SYMBOL
REVISED CONTENT,
HISTORY
OF REVISION
SUB-TINT
STEP RANGE
0-127
B-AMP BASE (TP853)
MUST BE IN STEPPING
LEVEL
21-2