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參數(shù)資料
| 型號(hào)： | AN5367FB |
| 廠商： | PANASONIC CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | NTSC video, chroma, and deflection signal processing circuit |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | 12 X 12 MM, PLASTIC, QFP-48 |
| 文件頁(yè)數(shù)： | 12/22頁(yè) |
| 文件大?。?/td> | 249K |
| 代理商： | AN5367FB |
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12
AN5367FB
ICs for TV
I
Electrical Characteristics at T
a
=
25
°
C (continued)
Typical conditions for testing (continued)
3. State of each pin
Pin No.
18
20
24
33
34
35
38
42
47
Symbol
State
BLK in
Y
S
Limiter
ABL/ACL
BL start
BL det.
V
CC1
APL det.
V
CC2
0 V
1.1 V
V
CC1
7.5 V
20 k
V
CC1
Applied from outside (9 V)
0 V
5 V
Functions of SW controlled by I
2
C bus
Data-bit
Functions of SW
Contents
0E-D0
0E-D1
AV SW changeover
D1
0
0
1
1
1. Composite signal changeover
Input
Video1: Pin 1
Video2: Pin 48
Video3: Pin 46
Output
2. No output at mute
D0
0
1
0
1
Output
Video1
Video2
Video3
Mute
: Pin 3
0E-D2
Chroma trap SW
(0
→
without trap)
(1
→
with trap)
1. Video circuit chroma trap changeover
(Y signal phase leads by about 40 ns at trap off
(through))
0E-D3
Chroma B.P.F. SW
(0
→
without B.P.F.)
(1
→
with B.P.F.)
1. Chroma circuit band-pass filter changeover
(Video signal delay amount varies according to
B.P.F. on/off)
0E-D4
0E-D7
EE/VV SW
D7
0
0
1
1
1. Tuner (EE) and VTR (VV) changeover
In principle change over by D4
Tuner (EE): Killer result is output
f
SC
is output
VTR (VV): Killer result is not output
f
SC
is not output
However, f
SC
is output if D7
=
1 even at VV.
Killer out: Pin 45, f
SC
out: Pin 31
D4
0
1
0
1
Killer out
Killer result
Open
Killer result
Open
f
SC
out
Yes
No
Yes
Yes
0E-D5
SSW (service SW)
(0
→
normal)
(1
→
service mode)
1. At service mode (no vertical scanning, white
balance adjustment)
Vertical output pulse stops (DC about 4.3 V)
Y output off, chroma output small
0E-D6
BLK off SW
(0
→
normal)
(1
→
output without BLK)
1. RGB output blanking (BLK) off changeover
To be used when RGB output signal without
BLK is required.
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