
TA1310ANG
2005-09-20
60
Text stage
(TEST CONDITIONS VCC = 5 V and 9 V, Ta = 25 ± 3°C)
SW MODE & SUB ADDRESS & DATA
NOTE
ITEM
S03
S04
S05
S06
S07
S08
S09
S10
S54
MEASUREMENT METHOD
T1
AC Gain
A
OFF
A
OFF
A
1)
Input signal 1 (f = 100 kHz, picture period amplitude = 0.2 Vp-p) to pin 54.
2)
Measure the picture period amplitudes of pins 13, 14, and 15. (v13, v14,
v15)
3)
GR = v13 / 0.2
GG = v14 / 0.2
GB = v15 / 0.2
T2
Frequency Characteristics
A
OFF
A
OFF
A
1)
Input signal 1 (f = 8 MHz, picture period amplitude = 0.2 Vp-p) to pin 54.
2)
Measure the picture period amplitudes of pins 13, 14, and 15. (v13
8 MHz, v14 8 MHz, and v15 8 MHz).
3)
Using the values obtained in T01 above, calculate the frequency
characteristics from the following formulas.
4)
GfR = 20 × og (v13 8 MHz / v13)
GfG = 20 × og (v14 8 MHz / v14)
GfB = 20 × og (v15 8 MHz / v15)
T3
Unicolor Adjustment
Characteristics
A
OFF
A
OFF
A
1)
Input signal 1 (f = 100 kHz, picture period amplitude = 0.2 Vp-p) to pin 54.
2)
When the subaddress (00, unicolor) data are changed to the maximum
(3F), the center (20), and the minimum (00), measure the picture period
amplitude of pin 13.
(vu
MAX
, vu
CNT
, vu
MIN
)
3)
Calculate the maximum, minimum amplitude ratio for unicolor in decibels.
(vu)
T4
Brightness Adjustment
Characteristics
A
OFF
A
OFF
A
1)
Input signal 2 to pin 54 and adjust the picture period amplitude input of
pin 13 to 1 Vp-p.
2)
When the subaddress (01, brightness) data are changed to the maximum
(FF), the center (C0), and the minimum (80), measure the picture period
DC voltage of pin 13.
(Vbr
MAX
, Vbr
CNT
, Vbr
MIN
)
T5
Brightness Control
Sensitivity
A
OFF
A
OFF
A
1)
Using the values obtained in T4 above, calculate the brightness
sensitivity from the following formula.
2)
Gbr = (Vbr
MAX
Vbr
MIN
) / 128