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SCHEMATICDIAGRAM 1
TUNER CIRCUIT
A
JK101
FM ANT
(75ohm)
AM ANT
EXT
LOOP
L101
0.68uH
0.01
C110
Z120 FM FRONT END (RAL0035)
22P
1
2
3
4
5
R110
F=7.2MHz
F=7.2MHz
1K
FM/AM
FM/AM
1P
15P
0.47uH
18P
100K
0.022
L102
0.68uH
Z101
6A
5
AM ANT AM OSC
C136
1000P
R114
5.6K
1.9V
P P
2.1V
P P
2.7K47P
8P
33K
C134
1
2
34
27P
:POSITIVE VOLTAGE LINE
2SK238
RF AMP
8P
100K
C107
0.047
(7.2MHz)
Ca
22
7P
33K
0.022
100
2SK360
FM OSC
8P
3P
A
R112
X103
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
R138
10K
R130
10K
100K
6
5
8.2P
C108
100K
R113
27P
C112
C133
0.01
2.6V
Vss
X OUT
XIN
CE
2.6V 0V 0V 0V 1.2V 3.7V 3.7V 0V 0V
330
8P
10K 10K
A
1
2
34
10K
(3.8V)
2.9V 0.9V 0.9V 5.2V 2.5V 0V 4.1V 0V
A OUT
DI
C111
R115
25V4.7
560
AIN
CL
R116
1K
C125
B
C
D
16V22
D101
MA4051MTA
PD
IC102
LC72131MDTLM
PLL FREQUENCY
SYNTHESIZER
DO
33K
2SC2996
BUFFER AMP
33P
1.2K
DD
V
AM
4P
:FM SIGNAL LINE
:FM OSC SIGNAL LINE
2SC2620
FM MIXER
4P
1P
22P
1uH
220P
220
0.022
16V100
470K
2P
2SC2996
18P
BUFFER AMP
L103
0.47uH
C113
C132
C130
1000P
1000P
(0V) (2.5V) (0V)
FM IN
AM IN
MONO
SDC
STRQ
LW
R133
1K
1.5M
330
6.3V100
FM IF IN
(14.8V)(4.2V)(0V)
R132
:AM SIGNAL LINE
:AM OSC SIGNAL LINE
10K
150
0.022
15P
8
R111
390
R128
82
68K
R117
R129
27K
C124
100P
10K
7
R103
0.01
C102
100
16V100
6
C101
A
B
C
D
E
F
V
FM
8.1V
1.6V
87.5MHz 108MHz
V
AM
4.6V
0.9V
F
522kHz 1629kHz
R1371KR1361KR1351KR134
ABCD
F
1K
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SCHEMATICDIAGRAM 2
:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE
+B
FM LINE
A
D
R118
B
C
R104
10K
C103
CF201
13
2
IC101
LA1833MN
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
C114
C109
50V3.3
3.3K
(4.2V)
3.7V
24 23 22 21 20 19 18 17 16 15 14 13
OSC OUT
R109
330
0.01
R105
470
C104
1000P
R106
470K
(0V)
12V
(0V)
0.7V
Q101
2SC2787LTA
FM IF AMP
22K
R143
C116
0.033
1000P
R107
C105
330
R108
470K
(0V)
0.7V
Q102
2SC2787LTA
FM IF AMP
C120
16V10
22K
R121
(0V)
12V
C138
TLM
C139
4700P
C119 390P
4.7K
R102
1000P
C115 25V4.7
R120 47K
(5.7V)
2.2V 2.2V 1.7V 2.1V 2.1V 2.1V 1.9V 1.9V
5.2V
AFC
OSC
AM RF IN
AGC
(2.1V)0V(0.3V)
AM OUT
FM
3.2V
DET OUT
0.12V
P
PILOT IN
P
R123
C131 100P
MPX IN
CF202
13
2
0.01
68K
C137 4700P
Lch
Rch
PILOT OUT
Q106
UN4111TA
POWER SUPPLY
(FM:ON)
(0V)
14.7V
10K
0V
(14.8V)
10K
14.8V
C118
C117
0.018
0.018
C142
50V1
C141
50V1
R142
1K
R141
1K
R146
R145
100K
100K
C144
C143
14.8V
B
4700P
A
4700P
SD
1.5K
R125
R126
AB
1.5K
ST
0V
(4.7V)
R124
X102
C147
FM DET
270
1000P
3.4V
(4.1V)
C149
STRQ
Vcc
5.2V
(5.7V)
470
R127
0.1
MONO
FM/AM
3.7V
3.9V
(1.1V)
(3.5V)
50V1
C122
C121
50V0.47
50V1
E
C123
CB
DA
DI
CL
DO
Lch OUT
R131
68
CE
BADFCE
1234567
DET
Rch OUT
2.7K
R122
To CONNECTOR CIRCUIT (CN102A)
on SCHEMATIC DIAGURAM
R139
3.3K
R140
CN102B
4
Q110
(1.9V)
3V
2SC3311ARSTA
SWITCHING
7.3V1.6V
(1V)
7.3V
4.7K
A
B
To CONNECTOR CIRCUIT (CN101A)
on SCHEMATIC DIAGURAM 4
AB
SD
NC
+B(2)
STEYE
E
CN101B
1234567
VT
+B(1)
T.GND
461
REG
AM MIX OUT
2.1V 2.1V 0V 0V
5.2V
(5.7V)
C126
0.047
3
2
C106
0.01
GND
AM IF IN
0.01
C148
FM IF IN
1 2 3 4 5 6 7 8 9 10 11 12
2.1V
C127
6.8K
R119
16V22
Z102
1
2
3
+
C129
6.3V100
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SCHEMATICDIAGRAM 3
FL CIRCUIT
B
B
A
C712
C
R750 10K
:POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGELINE
FL701 (RSL0273 F)
FL DISPLAY
1 3 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 57 59
M
R782
100K
12
R783 100K
R784 100K
R785 100K
R786 100K
APXBCDEFGHI JKLMNO WVUTSRQ ACDB
5.9V
5.9V
5.9V
22.3V
22.2V
22.2V
22.2V
22.2V
22.2V
22.2V
P50/
FLD8
P51/FLD9
P53/FLD11
P52/FLD10
P54/FLD12
P55/FLD13
P56/FLD14
P57/FLD15
P00/FLD16
P01/FLD17
4V
0V
5V
0V
P94/SOUT2
P93/SIN2
P92/SSTB2
4.6V
4.1V
1.4V
24V
IC701
M30218MAA103
FL DRIVE / SYSTEM CONTROL
0V
P91/SBUSY2
P90/SRDY2
CNVSS
P87/XCIN
0V
3.5V
2.2V
T 7.2ms.
T 27ms.
P97/CLKOUT
P96/DA1/SCLK22
P95/SCLK21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
4.7V
4.5V0V4.2V
7.7V
11.2V
5.9V
P02/FLD18
P03/FLD19
5V
P86/XCOUT
/RESET
4.7V
2.4V
2.4V
3
4
5
6
ARBCDEFGHI JKLMNOPQ
11.3V
9.3V
15V
24V
18.5V
18.5V
9.4V
13.2V
22.2V
18.7V
20.4V
4.7V
0V
SS
V
VCC
P07/FLD23
T
7.2ms.
5V
0V
VCC
P85/INT5
P84/INT4
4.7V
3.8V0V4.8V
P11/FLD25
P10/FLD24
P12/FLD26
4V
0V
24V
1.4V
P
P
P83/INT3
P82/INT2
P81/INT1
0V
P13/FLD27
P14/FLD28
T 36ms.
P80/INT0
P77/TA4IN/TA2OUT/CLKS1
0V0V0V
0V
0V
P15/FLD29
P16/FLD30
P76/TA3IN/TA1OUT/CLK1
P75/TA2IN/TA0OUT/RXD1
0V
P04/FLD20
P05/FLD21
P06/FLD22
T
27ms.T 27ms.
F=10MHz
VSS
XOUT
XIN
0V
2.2V
4.7V
16.6V
13.1V
9.5V
P17/FLD31
P20/FLD32
P21/FLD33
5V
0V
P74/TA1IN/YA4OUT/TXD1
P73/TA0IN/TA3OUT
P72/TB2IN
0V
0V
11.2V
515253545556575859606162636465666768697071727374757677787980
P23/
FLD35
FLD36
P22/FLD34
P25/FLD37
P26/FLD38
P27/FLD39
P30/FLD40
P31/FLD41
P32/FLD42
P33/FLD43
P34/FLD44
P35/FLD45
P36/FLD46
P37/FLD47
P40/FLD48
P41/FLD49
P42/FLD50
P43/FLD51
P44/TXD0
P45/RXD0
P46/CXL0
CST0
RST0
P71/TB1IN
P70/TB0IN
0V
R723 1K
R722 1K
P24/
P47/
0.1
R746 10K
R738 100
LK IJ
R747 10K
C782
50V1
C713
R748 10K
50V10
R749 10K
C706
0.1
R734
100K
4.9V
22.2V
22.2V
100
R733
R739 1K
R740 1K
R741 1K
R742 1K
0.1
C711
A AXBCDEFGHI JKL NOPQRSTUVWBCDEF
Q702
2SD1819ATX
FL DRIVE
A
F
E
D
C
B
C715 0.1
C717 0.01
C718 0.01
C716 0.1
R751
10K
24.6V
4.7V
22.2V
22.2V
22.2V
22.2V
22.2V
22.2V
22.2V
24.6V
4.9V
4.9V
1.1V
4.9V
4.8V
L701
P67/FLD7
82
P66/FLD6
83
P65/FLD5
84
P64/FLD4
85
P63/FLD3
86
P62/FLD2
87
P61/FLD1
88
P60/FLD0
89
EE
V
0V
90
P107/AN7
0V
91
P106/AN6
0V
92
P105/AN5
0V
93
P104/AN4
0V
94
P103/AN3
95
P102/AN2
96
P101/AN1
0V
97
AV
SS
98
P100/AN0
99
VREF
100
CC
AV
R781
100K
3
4
5
6
7
8
9
10
D711,713,714
MA111TX
20.3V
5081
16.7V
49
22.3V
48
14.7V
47
9.2V
46
20.3V
45
18.5V
44
20.2V
43
14.8V
42
13V
41
9.4V
40
5.6V
39
9.4V
38
15V
37
0V
36
0.3V
35
0V
34
0.6V
33
0V
32
0V
31
50V1
C781
D711
R727 330
R726 330
R725 100
R724 1K
F
G
12
D713
D714
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
15K
R721
AB
C792
6.3V100
R710
1K
C710
0.01
6.3V1000
C707
R752 1K
R753 1K
R754 1K
R755 1K
R756 1K
R757 1K
HAGFEDCB
18P
C702
R758 100
R759 100
X702
(32KHz)
C703
R702 10K
20P
R704 0ohm
13
2
4.8V
4.9V
X701
(10MHz)
Q701
D705
R703
MA111TX
100K
4.7V
C705 0.1
0V
820K
R708
R701 1K
C709
16V10
10K
47K
UN5214TX
RESET
0V
D701
C704
50V2.2
D701
MA111TX
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SCHEMATICDIAGRAM 4
OPERATION CIRCUIT
C
S601
CAB
(FM/AM)
R601
6.8K
S602 (RDS
DISPLAY MODE)
R602
4.7K
S603
(AUTO/MONO)
R603
3.3K
S604
(TUNE MODE)
R605
R604
1.8K
2.2K
S605
()
TUNE/
TIME ADJUST
S606
()
R606
1.5K
S607
(SET)
R607
1.2K
S608 (CLOCK/
DEMO)
TIMER/
R6081KR609
820
S610
S609
L
( REC)
CN703B
Z601
RCDGP1U26XD
(REMOTE SENSOR)
VGO
2 13
L
( PLAY)
IN/OUT TERMINAL
D
CIRCUIT
C202
C201
R206
1K
R205
1K
100P
100P
R202
1K
R201
1K
R208
R207
100K
100K
C206
C205
R204
R203
100P
100P
100K
100K
C209
1000P
C204
C203
100P
100P
CN105B
7
6
5
4
3
2
1
JK201
Rch
OUT
Lch
EXT/MD
JK201
Rch
0.01
C601
IN
12345
Lch
ACB
R728
R729
R730
1K
1K
10K
4.9V
CN703A
12345
A B
:POSITIVE VOLTAGE LINE
:NEGATIVEVOLTAGE LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
A
B
C
D
E
F
G
CN701B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
L702
C
L703
B
L704
A
L707
D706
1SS380TE
A
B
C
D
E
17
R760
1K
L706
R709
1K
17
D703
1SS380TE
C708
0.01
17
D704
1SS380TE
R706
1K
A
B
C
D
E
F
G
H
I
J
K
L
CN702B
CONNECTOR
E
CIRCUIT
CN102A
7
Lch IN
Rch IN
DET
+B(2 )
STEYE
+B(1)
T.GND
CL
6
DO
5
DI
4
3
CE
2
1
CN101A
7
6
SD
5
NC
4
3
VT
2
1
C471
0.047
14.8V
A
To TUNER
CIRCUIT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
(CN102B)
on SCHEMATIC
DIAGURAM-2
A
To TUNER
CIRCUIT
(CN101B)
on SCHEMATIC
DIAGURAM-2
7.3V
C472
0.047
CN103B
CN104B
7
6
5
4
3
2
1
7
6
5
4
3
2
1