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Color Television
Model
:
20S62(TDVCF2016)
(7) VCR decoding IC: LA71207
Pin
definition
Voltage(V)
remark
1
VREF 2.3V
2.3
2
audio line amp PB in
2.3
3
SP
2.3
4
LP
2.3
5
EQ AMP
2.3
6
PB.EE
(
A.HEAD PLAYBACK
)
2.3
Receive normal sound signal
from VCR and send it to P6 of
LA71207M
7
REC:LP,EP
0.1
8
REC:PB,EP
2.3
9
REC AMP
2.3
10
MUTE
2.3
Connect to the P4 of LA72670
11
AUTO BIAS
0.1
12
phase EQ f0 CTL
1
13
phase EQ Q CTL
0.8
14
PB ENVE
1.9
To adjustment board
15
FM AGC filter
1.4
16
Y-GND
0
17
5V
4
18
main emphasis filter
2.4
19
S DET
0
20
emphs\asis filter
2.5
21
main de emphasis out
1.8
22
clamp in
3.1
23
Y-Vcc
4.8
SW +5V
24
QV.SYNC
0
Come from P13 of M37760
25
NC
0.3
26
Cvin
1.9
Send CVBS signal of VCR to P13
of MM1492 and to P56 of M37760
27
AGC TC2
1.5
28
NC
2.2
Not used
29
AGC TC1/BALANCER
2.3
30
NC
2.2
31
REG 4V
4.1
32
CVBS in
2.3
Receive CVBS signal from P23
of MM1492
33
VCP FILTER
2.9
34
CLAMP
3
35
VCA
3.1
36
CCD DRIVE
2.2
37
CLAMP
2.6
38
GND
0
39
CCD OUT
1.5
40
GND
0
3054
Summary of Contents for TDVCF2016
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