TA1317AFG Datasheet, PDF (35/58 Pages) Toshiba Semiconductor – Deflection Processor IC for TV

Note
No.
Parameter
16 Horizontal amplitude
adjustment (picture width)
change amount
17 Parabola amplitude
adjustment (EW parabola)
change amount
TA1317AFG
SW6
OFF
OFF
SW7
B
B
SW8
ON
ON
Test Condition
SW Mode
SW10 SW13 SW14 SW21 SW30
Test Method
(unless otherwise specified, V_CC = 9 V, Ta = 25 ± 3°C, data = preset values)
OFF B
ON
A
A (1) Input vertical trigger pulse to pin V_IN.
Pulse level (VT) = 3.0 V
(2) Set EW PARABOLA (sub-address: 0A) to minimum (data: 00).
(3) Set PICTURE WIDTH to maximum ( (sub-address: 01, data: FC) and (sub-address:
0C, data: 81) ) and measure Pin 10 (EW FD) voltage V_EV (FC).
(4) Set PICTURE WIDTH to minimum ( (sub-address: 01, data: 00) and (sub-address:
0C, data: 80) ) and measure Pin 13 (EW FD) voltage V_EV (00).
(5) Calculate change amount V_EV using the following formula.
V_EV = V_EV (FC) − V_EV (00)
OFF B
ON
A
A (1) Input vertical trigger pulse to pin V_IN.
Pulse level (VT) = 3.0 V
(2) Set PICTURE WIDTH (sub-address: 01) to maximum (data: FC).
(3) Apply external power supply (DC voltage = 7 V) to pin 3 (EHT IN).
(4) Set EW PARABOLA (sub-address: 0A) to minimum (data: 00) and measure Pin 13
(EW FD) amplitude V_PB (00).
(5) Set EW PARABOLA (sub-address: 0A) to center (data: 20) and measure Pin 13
(EW FD) amplitude V_PB (20).
(6) Set EW PARABOLA (sub-address: 0A) to maximum (data: 3F) and measure Pin 13
(EW FD) amplitude V_PB (3F).
(7) Calculate change amount V_PB using the following formula.
Pin 13 (EW FD) waveform
V_PB = V_PB (3F) − V_PB (00)
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2005-08-18