參數(shù)資料
型號： TB1254N
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝： 0.600 INCH, PLASTIC, SDIP-56
文件頁數(shù)： 39/58頁
文件大?。?/td> 526K
代理商： TB1254N
Ver3.7
00/01/28 44
Note
Items/Symbols
Bus conditoins
Measurement methods
SE9
Linearity
/ LinB
/ LinR
RGB Mute:00
Uni-Color:63
Y Mute:1
Others:preset
(1) Input a 75% color bar(200mVp-p at R ID) into Pin43.
(2) Set BUS data so that “S black monitor” is “alignment”.
(2) Measure the amplitude between Black and Cyan/Red, that is
VCyan/VRed.
(3) Measure the amplitude between Black and Yellow/Blue, that is
VYellow/VBlue.
(4) Calculate : "LinR"=VCync/VRed
"LinB"=VYellow/VBlue
LinR
LinB
red
cyan
blue
yellow
SE10
Rising-Fall Time
/ trfB
/ trfR
RGB Mute:00
Uni-Color:63
Y Mute:1
Others:preset
(1) Input a 75% color bar(200mVp-p at R ID) into Pin43.
(2) Set BUS data so that “S black monitor” is “alignment”.
(3) Measure the rising time(from 10% to 90%) between Green and
Magenta at Pin 20/Pin 22, that is "trR"/"trB".
Magenta
Green
10%
90%
trBCtrR
SE11
SECAM ID Sensitivity
(Normal Mode)
/ VSIDHON
/ VSIDHOFF
/ VSIDHVON
/ VSIDHVOFF
SECAM ID Sensitivity
(Low Mode)
/ VSIDLHON
/ VSIDLHOFF
/ VSIDLHVON
/ VSIDLHVOFF
RGB Mute:00
Y Mute:1
S ID Sens:0/1
S ID Mode:0/1
Color
System:101
Others:Preset
(1)Input a 75% color bar(200mVp-p at R ID) into Pin43.
(2)Set BUS data so that “S ID Sens” is Normal, “S ID Mode” is H.
(3)Measure the burst amplitude at which Pin13 DC level changes
from low to high / from high to low, that is "VSIDHON" / "VSIDHOFF".
(4)Set BUS data so that “S ID Mode” is H+V.
(5)Repeat (3), that is "VSIDHVON" / "VSIDHVOFF".
(6)Set BUS data so that “S ID Sens” is Low, “S ID Mode” is H.
(7)Repeat (3), that is "VSIDLHON" / "VSIDLHOFF".
(8)Set BUS data so that “S ID Mode” is H+V.
(9)Repeat (3), that is "VSIDLHVON" / "VSIDLHVOFF".
SE12
Gate
Pulse
Width
Variable Range
/ WGP+200
/ WGP
/ WGP-200
RGB Mute:00
TEST Mode:
00001000
Sub Add.”0A”:
X1001XXX
Color
System:101
Others:Preset
(1)Input a 75% color bar(200mVp-p at R ID) into Pin43.
(2)Set BUS data so that “TEST Mode” is 00001000 , Sub address
“0A” is X1001XXX , and“Color System” is Fixed SECAM.
(3)Measure the gate pulse widths when BUS data of “SECAM GP
Phase” is +200ns / normal / -200ns, those are “WGP+200”,
“WGP” and “WGP-200”.
S13
SECAM black
adjustment
characteristic
/ VSBMAX
/ VSRMAX
/ VSRMIN
SECAM black
adjustment sensitivity
/VSB
/VSR
RGB Mute:00
Color
System:101
S black Monitor:1
S B-Y black Adj.:
0/15
S R-Y black Adj.:
0/15
Others:Preset
(1)For B-Y/R-Y Black Adj.:8, measure the DC level of picture period
at Pin22/20, that is VSBCEN / VSRCEN.
(3)For B-Y Black Adj.:0/15, measure the DC level change of picture
period against VSBCEN at Pin22, that is "VSBMIN" / "VSBMAX".
(4)For R-Y Black Adj.:0/15, measure the DC level change of picture
period against VSRCEN at Pin20, that is "VSRMIN" / "VSRMAX".
(5)Calculate;
"VSECB"=(VSBMAX-VSBMIN)/16
"VSECR"=(VSECRMAX-VSECRMIN)/16
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