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Service Adjustments
-18-
.
Item
Storage
address
Display
string
Range (Index | value)
Default
value
Vertical zoom
46
VX
0-63
32
Instruction
Adjust this item when lack of vertical amplitude will lead to the
picture can’t be full of the screen,then need to adjust the
resistance’s(R318,R319) value.
Direct Key “3”
Black level off-set R
RED
0-63
32
Black level off-set G
GRN
0-63
32
White point R
(Direct Key “
Red
”)
WPR
0-63
31
White point G
(Direct Ke“
Green
”)
WPG
0-63
31
White point B
(Direct Key “
Blue
”)
WPB
0-63
45
Instruction
The white balance can be adjusted automatically on this
machine
,
only one or two tube need to be adjusted
,
generally
the value of RED and GRN between 23 to 39,if adjust
excessively will lead the picture faded
。(
Remark
:
because of
the higher colour temperature
,
it’s normal that you feel a little
red
。)
Luminance delay time PAL
YDFP
0-15
8
Instruction
This item has the function to adjust the luminance and colour
delay,change the NO. on P card,make the boundary of central
green and purple accord with the border of above gray pane.
Y delay time NTSC
YDFN
0-15
8
Y delay time SECAM
YDFS
0-15
8
Y delay time AV
YDAV
0-15
8
Teletext contrast
TTBR 0-15 15
Mute delay time while switch
program
MUTD 0-20 13
Instruction
Direct Key “4”
AGC take-over
AGC
0-63
27
UOC Volume
VOL
0-63
56
Instruction
Input standard RF signal with 1KHz sound ,measure UOC
amplitude(location is W101) of output audio RMS value,adjust
VOL till it reaches to 0.5Vrms.
SUB HUE control
SHUE
0-63
35
38.9MHz 2
IF frequency
IFFS
38.0MHz 3
2
Cathode drive level
HDOL
0-15
2
Содержание CTV-37D10 TXT
Страница 2: ......
Страница 6: ...5 IC BLOCK DIAGRAM IC 101 TFA9842AJ 2Channel Audio Amplifier...
Страница 7: ...6 IC 401 Vertical Deflection Booster STV9302A IC BLOCK DIAGRAM IC 601 Power Switch F SCQ0765RT...
Страница 9: ...8 IC 701 TDA9381 TV Signal Processor IC BLOCK DIAGRAM...
Страница 11: ...MAIN PCB Top Layer 10...
Страница 12: ...MAIN PCB BOTTOM Layer 11...
Страница 13: ...SIDE AV PCB TOP LAYER CRT SIDE AV CONTROL PCB TOP LAYER CRT PCB LAYER 1 2 CONTROL PCB TOP LAYER...
Страница 14: ...Service Adjustments 3 1...