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參數(shù)資料
| 型號(hào)： | TB1261F |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁(yè)數(shù)： | 52/66頁(yè) |
| 文件大?。?/td> | 1538K |
| 代理商： | TB1261F |
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TB1261F/TB1262F
2002-6-30 56 / 66
Note
Items/Symbols
Bus
Bus conditions
conditions
Measurement methods
D20
V. Ramp DC on
Service Mode
/ VNOVRAMP
V STOP:1 Others:
Preset
(1) Set V STOP to 1.
(2) Measure the DC level of Pin47, that is "VNOVRAMP".
D21
Vertical Pull-in
Range (Auto)
/ FVPAUL
/ FVPAUH
Vertical Pull-in
Range (50Hz)
/ FVP50L
/ FVP50H
Vertical Pull-in
Range (60Hz)
/ FVP60L
/ FVP60H
V-Freq:0/1/2
Others: Preset
(1) Input a composite sync signal into Pin61.
(2) For V-Freq 0/1/2, increasing the input vertical period from
220H by 0.5H step, measure the period at which input
signal synchronized with V Ramp(Pin46), that is "FVPAUL"
/” FVP50L”/ "FVP60L".
(3) For V-Freq 0/1/2, decreasing the input vertical period from
360H by 0.5H step, measure the period at which input
signal synchronized with V Ramp, that is "FVPAUH" /”
FVP50H”/ "FVP60H".
D22
Vertical Period on
Fixed Mode
/ TV3125
/ TV2625
/ TV313
/ TV263
V-Freq:4/5/6/7
Others: Preset
(1) For V-Freq 4/5/6/7, measure the vertical period at SCP out
(Pin37), that is "TV312.5"/"TV262.5" / "TV313"/"TV263" .
D23
VD Start Phase
/ PH50VD
/ PH60VD
VD Width
/ W50VD
/ W60D
All: Preset
(1) Input a 50Hz/60Hz composite sync signal into Pin61.
(2) Measure " PH50VD " / " W50VD " and " PH60VD " / " W60VD at
Pin40. (cf. Fig.D23)
D24
V-BLK Start Phase
/ PH50VBLK
/ PH60VBLK
V-BLK Width
/ W50VBLK
/ W60VBLK
All: Preset
(1) Input a 50Hz/60Hz composite sync signal into Pin61.
(2) Measure " PH50VBLK " / " W50VBLK " and " PH60VBLK " / "
W60VBLK "at Pin14.
D25
Sand Castle Pulse
Level
/ VSCPH
/ VSCPM
/ VSCPL
All: Preset
(1) Measure "VSCPH" / "VSCPM" / "VSCPL" at Pin37.
V
SCPL
V
SCPM
V
SCPH
D26
V Ramp Amplitude
/ VVRAMP
/ ＶVOUT,
/ ＶVOUT MAX
/ ＶVOUT MIN
/ V OUTDC
All: Preset
(1) Measure the V Ramp amplitude at Pin46, that is "VVRAMP".
(2) Measure the V Ramp amplitude at pin #47, that is "VOUT"
(3) Measure the V Ramp increasing ratio at pin #47 at when
'V Size' = Max, that is "RVOUT MAX"
(4) Measure the V Ramp decreasing ratio at pin #47 at when
'V Size' = 01, that is "RVOUT MIN"
(5) Measure the V Ramp dc voltage at pin #47 at when 'V
Size' = 00, that is " V OUTDC "
(6) Measure the V Ramp dc voltage at pin #47 at when 'V
Size' = 00 and 'V cent'=MAX, let it 'V MAXDC'
" V CENT MAX " = ( 'V MAXDC' - " V OUTDC " ) / "VOUT"
(7) Measure the V Ramp dc voltage at pin #47 at when 'V
Size' = 00 and 'V cent'=Min, let it 'V MINDC'
" V CENT MAX " = ( 'V MINDC' - " V OUTDC " ) / "VOUT"
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