
TB1230AN
2001-09-04
64
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value ;
pin3 = 9V ; pin8 38 41 = 5V)
SW MODE
SUB ADDRESS &
DATA
NOTE
ITEM
S26
07H
0FH
11H
MEASURING METHOD
H8
Direct Delay
AC Gain Difference
↑
94H
8CH
―
(1)
GBYD = GBY1 GBY2
(2)
GRYD = GRY1 GRY2
H9
Color Difference
Output DC
Stepping
↑
8CH
―
(1)
Measure pin 36 (B-Yout) DC stepping of the picture period.
(2)
Measure pin 35 (R-Yout) DC stepping of the picture period.
H10
1H Delay Quantity
ON
8CH
―
(1)
Input waveform 2 to pin 33 (B-Yin). And measure the time deference
BDt of pin 36 (B-Yout).
(2) Input waveform 2 to pin 34 (R-Yin). And measure the time diference
RDt of pin 36 (B-Yout)
H11
Color Difference
Output DC-Offset
Control
↑
8CH
20H
00H
88H
FFH
(1)
Set Sub-Address 11h ; data 88h. Measure the pin 36 DC voltage, that is BDC1.
(2)
Set Sub-Address 11h ; data 88h. Measure the pin 35 DC voltage, that is RDC1.
(3)
Set Sub-Address 11h ; data 00h. Measure the pin 36 DC voltage, that is BDC2.
(4)
Set Sub-Address 11h ; data 00h. Measure the pin 35 DC voltage, that is RDC2.
(5)
Set Sub-Address 11h ; data FFh. Measure the pin 36 DC voltage, that is BDC3.
(6)
Set Sub-Address 11h ; data FFh. Measure the pin 35 DC voltage, that is RDC3.
(7)
Bomin = BDC2 BDC1, Bomax = BDC3 BDC1, Romin = RDC2 RDC1, Romax = RDC3 RDC1
H12
Color Difference
Output DC-Offset
Control / Min.
Control Quantity
↑
A4H
00H
89H
(1)
Measure the pin 36 DC voltage, that is BDC4.
(2)
Measure the pin 35 DC voltage, that is RDC4.
(3)
Bo1 = BDC4 BDC1, Ro1 = RDC4 RDC1
H13
NTSC Mode Gain /
NTSC-COM Gain
↑
94H
80H
―
(1)
Input waveform 1, that is set 0.3Vp-p and f = 100kHz, to pin 33. Measure pin 36 output level, that is VBNC.
(2)
GNB = 20og (VBNC / VB100)
(3)
In the same way as (1) and (2), measure the pin 36 output level, that is VRNC.
GNR = 20og (VRNC / VR100)