Toshiba 20AR20 Instrukcja serwisowa - Strona 7
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SERVICE
ADJUSTMENT ITEM
NUMBER
S01
PICTURE
S02
TINT
S03
COLOR
S04
BRIGHTNESS
S05
SHARPNESS
S06
VERTICAL PHASE
S07
HORIZONTAL PHASE
S08
RF-AGC
S09
VERTICAL AMP
S10
VCO
S11
R CUT-OFF
S12
G CUT -OFF
S13
B CUT-OFF
S14
G GAIN
S15
B GAIN
S16
TRAP(3.58MHz)
S17
BALANCE
S18
C.C.POSITION
S19
Y-MUTE / V-MUTE
OP.
OPTION (Set to each model)
M01
MTS LEVEL
M02
STEREO-VCO
M03
FILTER
M04
LOW SEPARATION
M05
HIGH SEPARATION
Holding down both the CH-up/down buttons on the TV set at service mode for more than 2 seconds will automatically
write the above initial values into IC2101.
PART REPLACED
NECESSARY
IC2001
IC201
IC2101
CRT
IC3001
(20AR30)
DATA
INITIAL VALUE
55
46
32
40
28
00
12
2A
20
2C
00
00
00
7F
7F
00
20
18
00
80
0A
20
1C
20
1B
Table - A
ADJUSTMENT
UNNECESSARY
X
X
X
X
X
Table - B
ADJUSTMENT CONTENTS
RANGE
00-7F
00-7F
00-7F
00-7F
00-3F
Must be set to "24"
00-07
Must be set between "0" to "03"
00-1F
00-3F
00-3F
00-7F
00-FF
00-FF
00-FF
00-FF
00-FF
00 or 01
Must be set to "00"
00-3F
Must be set to "20"
00-7F
00,01,03
"00"=Normal, "01"=No-Y, "03"=No Vertical
00-FF
Must be set to "08"=20AR20, "09"=20AR30
00-0F
00-3F
00-3F
00-3F
00-3F
NOTES
Data is stored in IC2101.
The adjustment is needed to compensate for characteristics
of parts including IC201.
Holding down both the CH-up/down buttons on the TV set in
the service mode for more than 2 seconds will automatically
write the above initial values into IC2101.
Adjust items related to picture tube only.
Adjust items related to MTS only (M01~M05).
7
20AR20/30