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SCHEMATIC DIAGRAM-1
OPERATION CIRCUIT
A
NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATICDIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
:AUDIO SIGNAL LINE
R997
D973
C921
150
MA4030MTA
1000P
R996
150
FL901 (A2BB00000084)
C922
35V33
1 6 8 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 53 542 5 7 9
C920
50V4.7
C928
50V4.7
)
S908
INPUT SELECTOR
(
R912
4.7K
)
S913
(DIGITAL
S.WOOFER
S912
(TUNER/ BAND)
R907
3.3K
R911
3.3K
S907
S911
)
SET
(
)
TUNING,
(
R906
2.2K
R910
2.2K
S906
S910
)
TUNING MODE
(
)
(TUNING,
R905
1.8K
R909
1.8K
S905
)
FM AUTO/MONO
(
R904
1.5K
R916
1.5K
S904
)
PLAY/ REC
(
FL DISPLAY
R903
1.2K
)
S903
DEMO
(-
R915
1.2K
ABCDEFGH I JKLMNOPQRSTU
ABCDEFGHIJKLMNOPQRSTUVWXYZ
R9021KR901
R9141KR913
820
)
S902
CLOCK/ TIMER
(
820
)
PTY
S915
(
(RDS DISP MODE)
S901
S914
)
/
(
)
PS
(
R922
R921
10K
10K
R925
1K
R924
1K
C908
C907
470P
470P
R944
2.2K
X
W
C919
C927
50V4.7
50V4.7
JK903
3.5mm PHONES
W905
C923
D974
MA165TA
S
C395
0.047
T
0.1
C396
0.047
C904
0.01
C924
0.1
V
2
3
6
4
5
7
1
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SCHEMATIC DIAGRAM-2
-
30.1V
-
30.1V
-
R990
100K
D306
29.3V
-
29.3V
-
29.3V
-
26.3V
-
20.5V
-
29.3V
-
29.3V
-
29.3V
-
23.5V
-
20.5V
-
23.4V
-
23.4V
-
23.7V
-
20.7V
-
29.6V
-
29.6V
-
29.6V
-
23.7V
-
26.6V
-
26.5V
5.1V
-
29.5V
-
29.5V
-
26.5V
-
17.2V
-
5.3V
-
10.3V
0.4V
0V
1.5K
R939
( )
SELS5223C
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
D933
MA165TA
100K
R993
C916
6.3V100
: POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE
A
B
C
ABCDEFGHI JKLMNOPQRST UVWX
23.4V-20.5V-26.3V-26.3V
-
P12
-
VP
51
P13
52
P14
53
P15
54
P16
55
P17
56
P18
57
P19
58
P20
59
P21
60
P22
61
P23
62
P24
63
P25
64
P26
65
P27
66
P28
67
P29
68
P30
69
P31
70
P32
71
VDD4
72
P33
73
P34
74
P35
75
P36
76
P37
77
P38
78
REGIN0
79
REGIN1
80
STAND-BY
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
0V
1.5K
R986
)
D954
D951
PLAY/ REC
SELS5923C
LNJ301MPUJAD
(
5.1V
P9
P11
P10
FM / AM
T 5.5ms.
F=32.7kHz
2V/2ms.DIV.
TIMER
S.W.LED
LOUNGE
0V
0V
0V
220
R995
)
R994 100K
S.WOOFER
(DIGITAL
R999
23.4V-20.5V-26.2V
-
5.1V
P8P7P6P5P4P3P2
DD3
V
IC901
C2BBFD000297
SYSTEM CONTROL/
FL DRIVE
4V
0V
-
FM / AM
2V
P-P
T
10ms.
CHORUS
MUTENCPOWER
0V
0V
4.8V
100K
R960 1.5K
R958 1K
R959 47
26.2V-26.2V-26.1V-26.3V-23.5V-23.5V
29.2V
-
-
FM / AM
30V
F=6MHz
FM / AM
F=32.7kHz
5V
0V
5V
0V
DD2
Vss2
V
MUTE2NCMUTE3
5.1V
5.1V
C905
1000P
2.7K
R969
25.5V
23.5V
-
-
P1
1G2G3G4G5G6G7G
FM / AM
T 5.5ms.
FM / AM
F=6MHz
3.3V
P-P
5.2V
P-P
FM / AM
5.2V
P-P
F=32.7kHz
2V/2ms.DIV.
SHCS
SHDO
SHDI
SHCK
3.3V
1.9V
1.4V
1.9V
R935 100
R934 100
100
R936
25.6V
27.5V
27.5V
-
-
3132333435363738394041424344454647484950
4V
REMOCON
0V
RDS DATA
-
30V
4.2V
P-P
KEY KARAOKE
SEL/ TUNER
SEL TUNER
5V
ST/ AV.6CH
0V
LC72 DI/ ST
E DET
CR TIMER
100
0V
5.1V
R988 1K
R987 1K
R937 10K
RDS CLK
HP SW
MIC DET
VR JOGA
VR JOGB
NC(GND)
SH REQ
KEY TU
VDD1
XC OUT
XC IN
Vss
X OUT
XIN
RESET
AC IN
LC72 CK
LC72 CE
LC72 DO
CHECK
SD
C901
8G
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
R926
6.3V100
9
8
7
6
5
4
3
2
1
2.2K
R919
15K
R991
47K
-
25.6V
5.1V
2.6V
2.6V
0.6V
5.1V
0V
0V
1.4V
5.1V
5.1V
5.1V
2.3V
2.3V
2.7V
1.6V
5V
2.2V
0V
5.1V
4.6V
0V
0V
2.5V
R976
100K
R918 10K
C903
R953 100
D905 1SS291TA
R928 47K
L902 1 H
0.01
R954
100K
4.7K
R949
100
R950
0.1
C912
18P
C911
C926
1000P
D902
1SS291TA
5V
A
B
C
D
E
R952
10M
X902
(32.7kHz)
5.1V
Q901
UN4212TA
RESET
R956
1K
R930 1K
R932 1K
R931 1K
X901
(6MHz)
1
3
330K
R951
20P
C910
6V
0V
C925
1000P
0.01
C915
R929
1K
D901
1SS291TA
C914
D904
2
50V2.2
MA165TA
R957
1K
L901
10 H
C902
10V1000
U
J
H
A
B
D
C
EFIKLNO Q
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SCHEMATIC DIAGRAM-3
OPERATION CIRCUIT
A
: POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
5.1V
EVQVBXFK124B
(VOLUME)
COM
1 2 3
C151
16V10
C158
6.3V47
560P
C154
47P
C157
VR901
22K
R962
BA
100
R945
DEA
IC151
C1BB00000527
RDS SIGNAL
DEMODULATOR
2.5V
VREF
1
2.5V
HPX IN
2
5.1V
V
DDA
3
VssA
4
2.5V
FL OUT
5
2.5V
CIN
6
TEST
7
X OUT
8 9
X151
R961
R943
RDCL
RDDA
MODE
22K
100
RST
V
VssB
XIN
IDR
DDB
C917
16
15
14
13
12
11
10
0.01
2.6V
2.6V
0V
5.1V
2.5V2.7V
R157
C156
1K
47P
C918
6.3V100
C909
1000P
R151
R153
C155
R946
1K
1K
100K
1000P
1K
R152
100K
R154
C153
1000P
L151
100 H
BC
Z901
B3RAD0000028
(REMOTE SENSOR)
3
2
1
C159
C160
6.3V47
1000P
L152
H
100
ABC
W902B
15
14
-30.1V
W901B
13
12
11
10
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
H
I
J
K
L
D906
MA165TA
D907
MA165TA
U
N
O
Q
6V
S
T
H
L153
1
120
R155
C152
330P
R158
1K
D151
MA4051MTA