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IC7301
RESET
IC-DETAIL BLOCK DIAGRAM
M
G_SIFIN_A
M
GND
OUT
M
G_TU_A_IN_A
1
3
IN
M
TU_REG5V
-
F
+
Vref
GND
2
IC7302
DECODER
IC-DETAIL BLOCK DIAGRAM
44
43
42
41
40
39
38
E
AF SWITCH
1
2
3
4
STEREO
DECODER
STEREO
D
ADJUST
5
6
POWER
7
SUPPLY
8
AF
AF
AMPLIFIER
AMPLIFIER
1
2
9
C
10
FM DEMODULATOR
FM DEMODULATOR
NARROW-BAND
NARROW-BAND
PLL SC1
PLL SC2
11
12
13
14
15
16
17
18
T
G_IIC_CLK_A
T
G_IIC_DATA_A
AV
G_DEC_R_A
AV
G_DEC_L_A
B
M:Main Net Section:(Page:
A
)
B
AV:A/V I/O Section:(Page:
)
A
DE:Nicam Decoder Section:(Page:
C
)
D
T:Timer Section:(Page:
)
1
2
L7304
R7326
2.2u
0
LB7304
LB7303
L7303
J0JHC0000032
J0JCC0000080
G0C1R0JA0019
C7306
0.01
37
36
35
34
IC7302
C0EAH0000051
33
IN
G
1
2
32
DIGITAL
IDENTIFICATION
31
PILOT
NARROW-BAND PLL
30
IIC BUS
29
TRANSCEVER
28
27
26
25
24
23
19
20
21
22
C7310
100P
3
4
22
21
23
SIF2/N.C
OUT
C7333
0.1
3
24
VREF1/CAF1
25
SIF1/IFINT
R7304
C7301
100
0.1
26
CRESET/CAF2
27
VSSA3/VCC
C7335
0.1
28
VDDA3/VCC
R7324
220
29
SCL
R7325
220
30
SDA
31
SD0/LPF
32
WS/AF20
33
SCK/AF21
34
35
R7319
0
R7317
0
5
6
R7322
0
K7303
0
20
19
18
17
16
15
14
13
12
TP1/N.C
11
NICAM/AF1D
10
TP2/N.C
9
VDEC2/AF1I
8
VSSD2/AGND
7
IC7301
C1AB00002225
VDDD1/CDE2
6
VSSD1/N.C
5
VSSA1/N.C
4
VDDA1/CDE1
3
2
OUT R
OUT L
1
36
37
38
39
40
41
42
43
44
C7317
ECA1CAK470XB
C7313
F2A1V100A384
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
7
8
C
K7308
ERJ3GEY0R00V
C7314
0.1
LB7301
J0JCC0000124
C7323
1000P
C7324
0.1
K7307
VWJ0795
C7312
F2A1V100A384
DMR-ES15EE/GC/GCS/GN/GCA
Nicam Decoder Section
(Main P.C.B.(3/4))
Schematic Diagram(DE)
9
10
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