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参数资料
| 型号： | TB1261F |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 49/66页 |
| 文件大小： | 1538K |
| 代理商： | TB1261F |
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TB1261F/TB1262F
2002-6-30 53 / 66
Note
Items/Symbols
Bus
Bus conditions
conditions
Measurement methods
D12
Horizontal
Position
Variable Range
/ ΔPHHPOS
/ ΔＰＨHCOR+
/ ΔＰＨHCOR
－
H
Position:0/31
Others: Preset
(1) Input a composite sync signal into Pin61.
(2) Changing BUS data of “Horizontal Position” from 0 to 31,
measure "ΔPHHPOS" according to the following figure.
FBP in(Pin37)
(00)
(1F)
ΔPH
HPOS
(3) Measure the H phase where the pin #73 (Hcorr) is opened
and the HPOS is 16
(4) Measure the H phase shift form (3) when supply 5.5V for
pin #73, that isΔＰＨHCOR+.
(5) Measure the H phase shift from (3) when supply 0.5V for
pin #73, that isΔＰＨHCOR-.
D13
AFC-2 Pulse
Threshold Level
/ VAFC2
All: Preset
(1) Input a composite sync signal into Pin61.
(2) Decreasing the FBP high level, measure the DC level at
which H OUT phase changes against Sync in(Pin61)
phase, that is "VAFC2".
D14
H-BLK Pulse
Threshold Level
/ VHBLK
Δ
WWHBLK50L
Δ
WWHBLK50R
Δ
WWHBLK60L
Δ
WWHBLK60R
RGB Mute:0
contrast:127
Others: Preset
(1) Input a composite sync signal into Pin61.
(2) Increasing the FBP high level, measure the DC level at
which H blanking begins to work, that is "VHBLK".
(3) Measure as the figure below when the IICBUS of
'W-HBLK=1' and when input 50/60Hz of V freq.
100%
WIDE
H-BLK
Δwhblk50L
Δwhblk60L
Δwhblk50R
Δwhblk60R
D15
Black Peak Det. Stop
Period (H)
/ PHBPDET
/ WBPDET
TEST:00001000
Black Stretch:01
Others: Preset
(1) Input a composite sync signal into Pin61.
(2) According to the following figure, measure "PHBPDET" &
"WBPDET".
Sync in(Pin61)
H AFC(Pin43)
SCP OUT(Pin37)
63.5
s
4.7
s
ΔPH
HPOS
W
BPDET
5V
0V
0.25V
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