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86 74 52 31
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A
SCHEMATIC DIAGRAM
R-12
AM/FM Stereo Radio
R --1 2
FM ANT
L101
0.1
uH
CN103
1
FM A
NT
2
GND
2P
03
CW1
P=2.5
IN
MM
AM LED PCB
BL
UE
LED403
BLUE
LED402
CW2
02
CN102
1
ED
AM L
2
GND
3
GND
4
FM L
ED
03
CW2
M
M
N
I
.0
P
4
=2
P
FM LED PCB
C405
R415
333
FC
C403
R-
CH
R401
0K
47
Q401
C401
45
2SC9
16
10/
R407
R403
47K
510
R408
47K
C402
10/16
2SC9
Q402
R402
47
R404
510
45
0K
10/
R405
2K7
R406
2K7
C404
16
10/
CH
L-
R411
R409
2K7
16
R410
2K7
R412
VR401-2
B5
03
4K7
C406
154FC
R413
4K7
R414
4K7
C407
154
FC
VR401-1
03
B5
4K7
C408
R416
FC
333
C101
47P
R101
2K7
4K7
BASS-V R
R
S-V
S
BA
4K7
6
1
-RFi
M
F
FM-GND
7
1
L107
NT
AM-A
C409
FC
472
VR402-2
03
B5
C410
FC R419
153
R417
2K2
R418
2K2
C411
153FC
VR402-1
B5
03
C412
472
FC
C102
CF101
103
15
18
R
E-V
L
B
ER
T
-VR
E
BL
TRE
5B
SFU45
L102
F1
AM-I
4
13
1
R
i
1
F
-I
M
A
i
AM-RF
C120
16
100/
C413
16
10/
10K
R420
10K
R422
27K
C414
10/
R
XE
I
M
M
AM-MIXE
F
E
L
P
P
I
R
AGC/AFC
9
1
20
L104
FM-
RF
C415
FC
563
R421
27K
R423
18K
R424
18K
16
C119
4.7/
R425
272
R426
27K
C416
563FC
27K
C417
C418
272
R427
R428
18K
A
102
F
C
L10.7M A5-
L103 A M-IF2
2
1
VSTABa
FM-RFo
1
2
50
PF
1 18
C11
FC
18K
FC
0
1
/o
i
F2
AM-I
C
S
M-O
F
3
2
7
4
R431
30K
1
8
IC401<1/2>
JRC4580D
9
M-IF1o
F
IC101 TEA5711T
AM-OSC
24
C110
25P
IC401<2/2>
JRC4580D
C423
FC
564
C421
FC
394
R433
2K2
R434
2K2
C422
394
FC
R432
30K
C424
564
FC
11
M-IF1i
F
D
GN
SUB
22
SC
-O
M
05 F
1
L
C419
103FC
5
+
6
-
R429
39K
R430
39K
3
+
2
-
C420
FC
103
A
03
1
7MA5.
CF
L10
6
7
8
ABb
T
S
V
M-IF2i
F
IND27AM
Vp
6
25
2
C109
104
OSC
-
6 AM
0
L1
C425
124
R435
5K6
R436
5K6
C426
124FC
8P
C108
R437
5K1
C427
FC
124
FC
R439
47K
C429
50
1/
R440
47K
IC402<1/2>
JRC4580D
C428
FC
124
R438
5K1
C430
82
C431
82
D
F GN
I
W
S
/FM
ZD401
HZ4
R102
PF
R441
PF
68K
5
6
30K
R447
3
2
C107
331
IC402<2/2>
JRC4580D
+
-
4K7
A1
R442
30K
+
-
A
7G5
M
C103
7
04
CF1
5
28
22
3M
10.
T
J
C112
50
2.2/
4
EM
D
M
F
PILFIL
i
X
AFo
MP
29
C106
22
3M
VR01
7K
B4
C117
50
0.47/
C434
10/
16
R443
27K
R449
12K
FC
R450
12K
C435
27K
10/
C436
220/
4
8
C432
272
272FC
C433
7
R445
1K
R446
1K
R444
1
C104
22
3M
C114
1/50
C113
2
3
O
LO
R
-
AF
AF
S
D
PF-M/
L
ST-LE
30
31
R103
C115
1/
2K2
C116
0.47/50
1/
1
C
N
MUTE
32
50
EQ/VOLUME PCB
R451
1K
C437
103
FC
C438
103
FC
R452
16
1K
R448
330
16
R453
4K7
R454
4K7
2SC9
E
UM
L
VO
E
UM
VOL
Q403
VR403-2
B5
VR403-1
03
B5
ED
L
OWER
P
45
03
R107
150
50
D101
1N41
48
D102
1N41
48
1
2
C1
100/16
C105
102
R455
47K
R456
47K
R458
150
1
40
D
LE
Q101
2SC9
R105
10
R106
150
R104
4K7
45
Ca
6.8/
50
0K
CN101
6
5
4
3
2
1
CW1
6P P=2.0MM
15P P=1.25
CN401
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AM LED
FM/
VCC
R-OUT
L-OUT
GND
01
MM
AM L
+5V
FM/AM
TU-R
TU-L
AUX-R
AUX-L
L-O
R-O
VCC
POW IN
POW O
LED
GND
LED
BCP RENUT
MAIN PCB
AM
4
C223
50
4.7/
C233
103
C234
C224
103
50
4.7/
01
N2
C
ED
IN
IN
IN
I
N
UT
UT
UT
VC
4.7/
C214
50
VP
3
VI/1
Q
A
1
VC1
7057
DA
6
SGND
202 T
5
VI/2
IC
7 8
VC2 OUT2+
PGNG2
C235
104
R225
2K2
C201
3.3/
50
C202
R220
50
3.3/
47K
OUT1+
OUT1-
P-GND1
OUT2-
9NC2
R226
R227
10K
C203
R201
2.2/
HM
50
68 O
R202
HM
68 O
13
11
12
10
10K
Q201
2SC9
R217
22K
R218
22K
R219
47K
C204
2.2/
L205
10T
L206
10T
50
C205
103
T
L209 1
45
L202
10T
L207
10T
L201
10T
L211
L208
10T
1T
L210
C207
3P P=2.0
1T
2P P=2.0
Q202
45
2SC9
R228
10K
C208
103
103
T
1
2
1
2
L
C206
103
CN206
1
2
3
1
2
CN205
MM
SP+
SP-
SP+
SP-
MM
HEADPHONE JACK
JK201
R SPEAKER
L SPEAKER
R230
0K
18
AUX JACK
4 OHM
4 OHM
2
20
K
J
D212
R269
1M
48
D210
1N41
R267
C222
1N41
D211
R268
50
1/
22K
R271
10K
48
1M
48
D208
SW401-1
R-
SW401-2
L-
CN403
CN4
02
CH
CH
1211
N
T
T
U
O
X-LI
U
R
L-OU
A
AUX-RI N
0
8
9
1
AUX
AM
FM
OFF
AUX
AM
FM
OFF
FUNCTION SW PCB
N
I
R
TU-
N
-LI
U
T
765
N
M
ED
L
M
A
1
OUT
/A
FM
4
2+ 6P
W I
W
5V-
GND
O
P=2.5MM
+
P
PO
2
1
3
4
AUX
AM
FM
SW401-4
OFF
SW
POWER
AUX
AM
FM
SW401-3
OFF
FUNC.
mA
?
V
.2
7
TC
N
3P P=2.5MM
BATTERY PACK
SW
0
2
CW
3
T+
BA
2
TS
1
BA
T-
R244
0K
10
R243
560
1N41
D206
C217
104
48
R247
1K5
1
2
3
4 5
C2
HZ5
2
D20
Z
VSS
p10
p11
p12
IC205
F9444
VDD
p00
p01
p02
C227
2SC9
104
Q204
R255
560
45
9
4
8
R2
7
6
8
R24
D202
SS
12
R245
1%
108
%
1
%
41
1
5K
R2
6
1
3K9
8
22
C
1%
42
R2
33K
0K
1
Q203
72
2SB7
D201
1N41
48
R257
4W
560 1/
R252
2K2
6
ZD201
0/1
1
HZ5
C2
2SC9
Q207
2SA7
Q205
45
R253
47K
1N41
33
2SC9
D203
Q208
R256
2W
1 1/
R260
2K2
MOS201
MTP2955V/IRFU902
R258
1M
Q206
2SC945
D209
1N53
C221
25
100/
4N
)
1
0
04
C216
9(
1
104
R259
10K
92
C21
C220
25
4700/
D204
48
48
1N41
2
9
53
D205
1N
K
54
2
10
R
45
C218
104
1N41
48
R261
1M
R262
1M
L203 BEAD
R264
10K
R265
33
R266
0K
10
8
R263
IN
27K
T
U
O
1
IC204
LP2951
FUSE201 T1.6AL/250V
0K
7
B
F
SE
N
E
S
2
C215
50
1/
6
B
R
O
TA
ERR
TDN
U
D
H
N
G
S
3
4 5
JK204
DC:12V 1000mA INPUT
1N41
6
6
1
22
0/
C
10
LM358<2/2>
8
-6
+5
4
+3
-2
IC203
LM358<1/2>
IC203
7
R270
165K
1
1N41
1%
1N41
D213
D207
48
48
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