Haier TDVCF2016, Руководство по обслуживанию

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Color Television Model
：
20S62(TDVCF2016)
(9) Hi-Fi decoding and MTS IC: LA72670
Pin definition Voltage(V) remark
1 Line mute terminal
（
L)
0
Send VCR AUDIO L signal to P14
of MM1492
2 NC
2.55
Not used
3
VCC
8.86
SW +9V
4 MUTE
2.5
5 VCC
4.86
SW +5V
6
normal output terminal
1.91
7
VCR/SW(SW L IN)
0.1
Connect to P26 of MM1492
8
RF ALC detection
3
9 NC 0.4
10 GND 0
11 NC 0.4
12
NC
2.5
13
input changeover switch output(L)
1.9
14
HI-FI input terminal(L)
2.5
15
VCC
4.86
SW +5V
16 VREF 2.5
17 GND 0
18
NR waiting DET terminal(L)
0.1
19
NR waiting filter terminal1(L)
2.5
20
NR waiting filter terminal1(R)
2.5
21
CCA reference terminal(L)
2.5
22 NR emphasis terminal(L) 2.5
23 HI-FI(H) 0.02
Send signal to P8 of M37760
24
A-R(normal sound signal from VCR)
2.1
Receive signal from P201
25 PRE.GND 0
26
A-COM(normal sound signal from VCR)
2.1
Receive signal from P201
27
A-L(normal sound signal from VCR)
2.1
Receive signal from P201
28
COMP
0
29 SAP DET 2.7
30 NOISE DET 0
31
NC
2.5
32
VCC 5V
4.85
SW +5V
33
PB AMP output
2.5
34
PB FM input terminal
2.5
35
GND
0
36
LOGIC
4.86
VCC(SW +5V)
37 SDA 3.9
The first bus
38
SCL
4.1
The first bus
39
HOLD PULSE(
A.H.SW
)
0
Connect to P19 of M37760
40
ST/SAP/MONO SW
1
Connect to P5 of M37760
41
R-CH PNR
2.5
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