TB1254N View Datasheet(PDF) - Toshiba
Part Name
Description
Manufacturer
TB1254N Datasheet PDF : 58 Pages
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ITEMS
AFC Gain
••Sub; 1A h
V-stop
••Sub; 17 h
H STP
••Sub; 17 h
312/313 Mode
••Sub; 17 h
V-AGC
••Sub; 17 h
Vertical Size
••Sub; 1A h
V Linearity
••Sub; 19 h
V-S Correction
••Sub; 19 h
V Ramp Ref.
••Sub; 17 h
BITS
2
1
1
1
1
6
4
4
1
DESCRIPTIONS
Select AFC gain
00: Normal
01: 1 / 3 sensitivity
10: X 3 at V blanking duration
11: AFC OFF
0: off
1: on
H OUT stop
0: normal
1 & Y-mute & RGB mute; H STOP
Synchronize the V freq. to 312/313
0: normal
1: TELETXT(312/313) Forced sync
V AGC sensitivity
0: normal
1: X 5
Vertical size alignment
00: -40 %
~ 3F: 40 %
V linearity alignment
0: 16 % at upper side , -20 % at lower side
~ F: -14 % at upper side , 17.5 % at lower side
V-S correction
0: 12 % at upper side , 15 % at lower side
~ F: -12 % at upper side , -15 % at lower side
Select the reference voltage
0: External(YC Vcc) 1: Internal
PRESET
00:Normal
0:off
0:normal
0:normal
0:normal
100000:0%
1000:0%
1000:0%
0:External
AV SW, OTHERS
ITEMS
Video SW
••Sub; 06 h
Au SW
••Sub; 06 h
STD by Mode
••Sub; 0D h
Self Test
••Sub; 0E h
TEST
••Sub; 1F h
BITS
2
1
2
2
8
DESCRIPTIONS
Video input selecting switch
00: TV
(10: TV + C in)
01: EXT
(11: EXT + C in)
Audio input selecting Switch
0: TV
1: EXT
Stand by mode
00,01: normal
10 : IF (Working IF Block ,IICBUS and 443VCXO)
11 : STD-by
(Working IICBUS and 443VCXO )
Selecting out put on AFT terminal for self Adjustment
00: AFT (Normal) 10: RF AGC X 1/2
For testing / Leave these bits preset data ; 0000 0000
PRESET
00:TV
0:TV
00,:normal
00:AFT
(Normal)
00000000
Ver3.7
00/01/28 18
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