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PK7301
1.5
SIF
1
0
GND
2
0
TU AUDIO
3
0
4
0
5
E
0
6
4.9
SW 5V
7
TO INPUT/OUTPUT
& TUNER SECTION
PK7301 (B-13)
D
C
PK7302
B
5.0
SCL
1
5.1
SDA
2
0
3
0
AUDIO(R)
4
0
GND
5
0
AUDIO(L)
6
TO INPUT/OUTPUT
& TUNER SECTION
PK7302 (A-13)
A
NOTE : THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS
DIAGRAM IS STOP MODE.
1
2
AUDIO SIGNAL PATH
R7315
0
C7318
16V10
R7314
3300
C7317
C7316
C7326
6V100
0.1
0.015
IC7301
TDA9873H
C7327
R7307
0.015
6800
2.4
2.4
R7308
C7328
2.4
6800
0.015
C7310
0
0.01
0
C7309
0.01
2.4
0
2.3
0
N
C7308
2.4
50V0.47
10
0
11
R7319
R7320
3300
3300
NOTE : DO NOT USE ANY PARTS NUMBER SHOWN ON THIS SCHEMATIC
DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART, PLEASE REFER TO PARTS LIST.
3
4
R7316
6800
C7319
R7309
16V47
220
TL7302
TL7301
0
2.4
0
2.3
2.3
2.3
2.3
44
43
42
41
40
39
38
37
AF SWITCH
1
2
IDENTIFICATION
3
NARROW-BAND PLL
4
5
6
7
POWER
SUPPLY
8
AF
AMPLIFIER
AMPLIFIER
9
1
DIGITAL
ACQUISITION
FM DEMODULATER
FM DEMODULATER
OSCILLATOR
NARROW-BAND PLL
NARROW-BAND PLL
SC1
CLOCK
12
13
14
15
16
17
18
19
0
0
2.7
2.5
0
0
2.8
R7305
R7306
5600
C7307
5600
X7301
680P
VSX1086-T
C7306
C7305
0.012
0.012
K7301
0
5
C7320
4700P
C7321
50V0.47
0
0
2.6
2.5
36
35
34
2.4
33
C7322
N
50V0.47
2.4
32
DIGITAL
2.9
C7323
R7311
31
0.1
PILOT
5.1
R7312
30
5.0
29
R7313
4.9
28
IIC-BUS
0
TRANSCEIVER
27
1.4
C7302
26
AF
50V0.47
N
2.3
2
25
1.3
N
24
C7303
0
50V0.47
23
SC2
R7304
4700
20
21
22
0
0
0.8
0
TL7303
C7304
680P
6
7
R7301
0
C7301
0.01
7500
100
100
3
1
VR7301
2
EVNCBAA00B14
8
9
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