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F
E
PK7301
1.6
1.6
QPSK/SIF
1
GND
2
0
0
TUNER AUDIO (N)
3
4
D
5
6
4.9
4.9
TUNER 5V
7
C7343
2200P
PK7302
4.8
4.8
OSD IIC CLOCK
1
4.6
4.6
C
OSD IIC DATA
2
3
0
0
TUNER AUDIO (R)
4
GND
5
0
0
TUNER AUDIO (L)
6
B
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
1
2
L7302
1u
C7307
R7302
C7311
0.01
0
0
IC7302
PST7043
(RESET)
IN
GND
OUT
1
2
3
4.9
4.9
4.9
4.9
L7301
0
C7308
C7312
50V2.2
22P
C7305
C7306
33P
33P
FL7301
VLF0633
1
3
C7304
C7301
2
6V100
0.01
C7341
4700P
C7342
4700P
3
C7316
0.1
3.3
3.3
22
21
20
19
2.0
2.0
SIF2
23
C7315
INPUT
0.1
2.0
2.0
SWITCH
24
VREF1
AGC,
ADC
FM/AM
2.0
2.0
DEMODULATION
SIF1
25
4.9
4.9
26
CRESET
IDENTIFI-
27
VSSA3
CATION
4.9
4.9
28
VDDA3
R7305
100
4.8
4.8
SCL
IIC BUS
29
INTERFACE
R7306
100
4.6
4.6
SDA
30
1.2
1.2
SDO
31
1.2
1.2
WS
IIC BUS
32
INTERFACE
1.2
1.2
SCK
33
34
35
36
37
1.2
1.2
4.8
4.8
4.9
4.9
R7316
LB7303
10K
0
TL7303
C7313
0.1
TL7301
NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR
ORDERING. WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
4
5
AUDIO SIGNAL PATH
X7302
VSX0953
R7327
R7325
0
8200
2.0
2.0
1.6
1.6
1.6
1.6
0.4
0.4
18
17
16
15
14
13
NICAM
DEMODULATION
NICAM
DEMATRIX
DECODER
2 CHANNEL
ANALOG/
DIGITAL
LEVEL
SATELLITE
SELECTOR
ADJUST
DECODER
POST FILTER
3 DACS
2 CHANNEL
OUTPUT
BUFFERS
MONO
ANALOG CROSSBAR
CHANNEL
SWITCH
OUTPUT
BUFFERS
38
39
40
41
42
43
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
4.9
4.9
2.5
2.5
C7318
6V47
TL7304
R7324
220
C7317
16V10
NV-HS880B/EC/EE
NICAM DECODER PACK SCHEMATIC DIAGRAM
6
7
12
TP1
11
0.4
0.4
NICAM
10
TP2
9
0
0
VDEC2
8
VSSD2
7
LB7301
4.8
4.8
0
VDDD1
6
C7325
0.1
VSSD1
5
VSSA1
4
C7324
0.1
4.9
4.9
VDDA1
3
2.5
2.5
OUT R
2
OUT L
2.5
2.5
1
44
IC7301
TDA9874AH
R7328
R7329
220
220
C7319
C7320
16V10
16V10
8
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