參數(shù)資料
型號： TB1230AN
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝： 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-56
文件頁數(shù)： 72/90頁
文件大小： 1333K
代理商： TB1230AN
TB1230AN
2001-09-04
74
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value)
SW MODE
SUB-ADDRESS & BUS DATA
NOTE
ITEM
S21
S22
S31
S33
S34
S51
―
01H
05H
08H 0CH 0DH 0EH
MEASURING METHOD
T26
Blanking Pulse
Output Level
B
A
―
80H
10H
04H
80H
(1)
Input synchronizing signal of 0.3V in amplitude to pin 51 (Sync
IN).
(2)
Connect pin 21 (Digital Ys) and pin 22 (Analog Ys) to ground.
(3)
Set bus data so that blanking is on.
(4)
Measure voltage of pin 13 (G OUT) in V. blanking period (Vy).
(5)
Measure voltage of pin 13 (G OUT) in H. blanking period (Vh).
T27
Blanking Pulse
Delay Time
↑
―
↑
In the setting condition of the Note T26, find “tdon” and “tdoff” (see
figure below) between the signal impressed to pin 6 (BFP IN) and
output signal of pin 13 (G OUT).
T28
RGB Min. Output
Level
↑
―
00H
↑
00H
(1)
Short circuit pin 31 (Y IN), pin 33 (B-Y IN) and pin 34 (R-Y IN)
in AC coupling.
(2)
Input synchronizing signal of 0.3V in amplitude to pin 51 (Sync
IN).
(3)
Connect pin 21 (Digital Ys) and pin 22 (Analog Ys) to ground.
(4)
Set bus data so that brightness and RGB cutoff are minimum.
(5)
Measure video voltage of pin 13 (G OUT) (Vmn).
T29
RGB Max. Output
Level
↑
―
80H
1fH
44H
80H
(1)
Short circuit pin 33 (B-Y IN) and pin 34 (R-Y IN) in AC
coupling.
(2)
Input stepping signal to pin 31 (Y IN) and synchronizing signal
of 0.3V in amplitude to pin 51 (Sync
IN).
(3)
Connect pin 21 (Digital Ys) and pin 22
(Analog Ys) to ground.
(4)
Set bus data so that contrast and Y
sub contrast are maximum.
(5)
While increasing amplitude of the stepping signal, measure
maximum output level just before video signal of pin 13 (G
OUT) is distorted (Vmn).
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