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參數(shù)資料
| 型號： | LA71205M |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 14 MM, QFP-80 |
| 文件頁數(shù)： | 3/19頁 |
| 文件大小： | 436K |
| 代理商： | LA71205M |
LA71205M
No.A0219-11/29
60
41
59
58
57
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54
53
32
51
50
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48
47
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44
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42
1
20
21
2
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19
40
22
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27
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39
80
61
79
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77
76
75
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72
71
70
69
68
67
66
65
64
63
62
KILL
DET
COMP
OUT
ENV
DET
AUDIO
MUTE
HA
SW
C-ROT
RF-SW
IN
C-GND
C-V
CC
HA
GND
HA
PRE
GND
ACC
DET
CHROMA
DET
P
R
H
L
R
P
R
P
HA
V
CC
P
R
EQ
AMP
H
L
SERIAL
DECODER
VXO1
SLD
BGA
PB APC
REC APC
Main CONV
4.21M BPF
ACC AMP
PB AMP
REG 4V
BAL TC1
Y-
V
CC
AGC TC2
S
DET
MAIN
EMPHA
FIL
FM AGC FIL
PHASE
EQ
Q-ADJ
PHASE
EQ
fo-ADJ
Y-
G
N
D
3.58M BPF1
VIDEO AGC
Y/C MIX
N.L.
DEEM
ACC DET
DETEIL
ENH
NL
EMPHA
MAIN
EMPHA
DOUBLE
LIM
Sub
CONV
B-UP AMP
3.58M BPF2
C-LPF
Y-
L
P
F
NC1
FBC
QV/QH
6DB
1/2
REC AFC
320FH VCO
P
R
P
RP
LC89964
CLAMP
OUT
AUT
O-BIAS
VDD
AL
W
A
YS
5V
CLOCK
PLL
CCD
YNR/COMB
TIMMING
DRIVER
4FSC
OUT
VSS
IN
VCP
VCA
CNC
B.D.
VCA
B
BGA
R
P
R
P
R
P
R
P
BEFORE
AFTER
R
P
R
P
REC
FM-EQ
FM AGC
FM DEM
SUB LPF
MAIN DE-EM
PB
FM-EQ
S-EQ
MUTE
LPF
ALC
A-GND
A-V
CC
ALC DET
V
ref
2.3V
REC AMP
AUT
O
BIAS
LINE AMP
R-EQ
TEST
NORMAL
VHS
SQPB
R
P
PB-C
SYNC SEP
V
.SYNC SEP
R
P
1
2
3
B
4.7k
1
2
3
VREF
PB,EE
REC:LP
,EP
PB:EP
SP
,LP
HA
CCD
Audio
IN3
A-V
CC
HA-V
CC
A-GND
SP
(Hch)
SP
(Lch)
EP
(Hch)
EP
(Lch)
HA-GND
HEAD
SW
2SA1318
2SC3331
10k
27k
1k
2.2k
TO
MICOM
(PB-Low)
20k
10k
20k
10k
0.1
F
COMP
OUT
ENV
DET
HA SW
AUDIO-MUTE
C-ROT
RF SW
C.S. IN
DATA IN
CLOCK IN
C-V
CC
1.5k
150
12k
27k
1k
330k
8.2k
3.9k
47k
0.1
F
0.1
F
0.1
F
0.01
F
1
F
10
F
33
F
4.7
F
1
F
1.2k
1.8k
680k
2.2k
100k
100k
75
1
F
8.2k
1
F
1
F
1
F
1
F
1
F
1
F
0.1
F
1
F
10
F
22
F
0.01
F
0.01
F
0.01
F
0.022
F
3.58MHz
NTSC
AL
W
A
YS
5V
PB
C
OUT
REC
C
MONI
4FSC
CCD V
CC
V
CC
51
V
CC
V
CC
Video
IN2
75
10
F
Video
IN1
75
75
100
10
F
470
F
Video
IN3
Video
OUT
C.SYNC
OUT
Y-V
CC
V
SYNC
OUT(REC)
QV/QH
INS(PB)
200pF
390pF
2200pF
1000pF
M.EMPH PB
EQ
MONI
REC/PB
Y
-FM
LINE OUT
3.9k
1.5k
47k
0.1
F
22
F
1
F
0.047
F
0.047
F
0.047
F
Audio
IN2
3.9k
47k
0.1
F
Audio
IN1
TO
LERANCE
LESS
THAN
1%
for
REC
CURRENT
adjustment
BIAS
OSC
AE
FE
R/P
4.7
F
0.01
F
0.033
F
0.022
F
[M]
1k
47k
560
2.2
2SD734
100
H
0.1
H
22k
+B=5V
Block Diagram and Sample Application Circuit
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