參數(shù)資料
型號： TA1317AN
廠商： Toshiba Corporation
英文描述： Deflection Processor IC for TV
中文描述： 偏轉(zhuǎn)處理器芯片電視
文件頁數(shù)： 43/60頁
文件大?。?/td> 926K
代理商： TA1317AN
TA1317AN
2002-09-06
43
Test Condition
SW Mode
Note
No.
Parameter
SW5
SW6
SW7
SW8
SW10 SW11 SW17
SW24
Test Method
(unless otherwise specified, V
CC
=
9 V, Ta
=
25
±
3°C, data
=
preset values)
24
Parabola amplitude EHT
compensation
OFF
B
ON
OFF
B
ON
A
A
(1) Input vertical trigger pulse to pin V
IN
.
Pulse level (VT)
=
3.0 V
(2) Apply external power supply V
3
to pin 3 (EHT IN).
(3) Set EW PARABOLA (sub-address: 0A) to center (data: 20).
(4) Set external power supply V
3
to 7 V and measure Pin 10 (EW FD) amplitude EHT
(7).
(5) Set external power supply V
3
to 1 V and measure Pin 10 (EW FD) amplitude EHT
(1).
(6) Calculate change amount EHT using the following formula.
EHT (7)
EHT (1)
EHT
=
EHT (7)
×
100
25
AGC operating current
OFF
B
ON
OFF
B
ON
A
B
(1) Input vertical trigger pulse to pin V
IN
.
Pulse level (VT)
=
3.0 V
(2) When V AGC (sub-address: 09) is switched, set data to 00, 40, 80, and C0 and
measure the following.
(3) Connect external power supply 2 V through 2 k
to pin 24 (AGC FILTER).
(4) Monitor pin 24 (AGC FILTER) and measure pulse levels V
X
(00), V
X
(40), V
X
(80),
and V
X
(C0) as shown in the figure below.
(5) Calculate output currents (I
X
(00), I
X
(40), I
X
(80), I
X
(C0) using the following
formula.
V
X
(
**
)
I
X
(
**
)
=
2 k
Pin 24 (AGC FILTER) waveform
V
X
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