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1-4.
SCHEMATIC DIAGRAM – MAIN Section (2/2) –
(2/2)
ANT1
FM WIRE
ANTENNA
R7
R51
R56
470
10k
FM/AM PLL
IC50
BU2614FS
X50
C56
C57
C58
TP50
75KHz
100p 100p 100p
(VT GND)
R50
C54
R53
C66
4.7k
33p
1k
1000p
A1
R55
1k
A2
A3
C412
0.01
A4
R320
4.7k
D320
R322
1SS355-TE-17
1k
Q320
DTA124EKA
Q321
MUTING
2SC2412K
CONTROL
MEGA BASS
C320
R321
C321
SWITCH
10
MUTE
10k
1000p
50V
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
C567
(Page 4)
100p
A19
A20
MDP
MDS
R554
D501
10k
1SS120RX
LOCK
TEST
FILD
R542
1k
C537
FILI
0.47
R543
PCO
3.3k
VDD
C538
R544
AVSS1
470p
10k
CLTV
AVDD1
RF
BIAS
R545
ASYI
1M
ASYO
R546
C539
10k
ASYE
100p
R547
220k
C540
100
10V
C543
C542
C541
L504
0.01
0.22
0.01
10µH
A21
A22
A23
R58
C5
R1
R2
TP53
10k
1000p
100k
100k
(VT)
TP12
C59
BPF1
(FM IN)
470p
4.7k
C1
1000p
R57
C60
D1
10k
0.33
1SS226-
D2
D3
TE85L
CT1
1T362-04
1T362-04
10p
-T88
-T88
L1
FM RF
TP13
(FM IN GND)
Q50
2SC2412K
R59
100k
Q51
2SC2412K
C63
C61
C62
C64
47
0.01
0.01
0.01
35V
FM/AM
FRONT-END,
Q50,51
FM/AM DET,
LOW-PASS
L50
MPX
R60
47µH
FILTER
C67
10k
IC1
100p
CXA1238M
R20
470
T1
R16
C22
2.2k
100p
C23
L51
0.01
10µH
CF1
450KHz
C324
C65
0.01
100p
Q120
2SC2412K
R120
MUTING
1k
C120
1000p
R220
C220
1k
1000p
Q220
2SC2412K
D321
DAP202K
MUTING
C322
0.01
R323
1k
E1
C566
C562
100p
100p
R540
C560
10k
100p
DTS3
DTS2
R201
RPWN
R202
NRPWN
AVSS2
AVSS3
C548
0.1
XTAO
R548
C549
XTAI
100k
DIGITAL SIGNAL PROCESSOR,
47p
CLV SERVO,D/A CONVERTER
AVDD3
IC502
X501
R101
AVDD2
CXD2508AQ
16.933MHz
22k
10µH
LPWM
R102
22k
NLPWM
C547
1000p
VDD
DTS1
ZEROR
ZEROL
L502
10µH
R553
100k
R4
(1/3)
10k
L3
CT2
C6
10p
MW/LW
470p
L3-1
(MW)
C9
FERRITE-ROD
R5
0.01
ANTENNA
1M
C7
(2/3)
(3/3)
120p
Q1
D4
2SC2714
KV1563MTL
C2
1000p
-2.3
MW/LW
L3-2
SWITCHING
C3
R3
C4
(LW)
10p
4.7k
3p
R9
100k
L2
FM OSC
C17
C19
C16
CF3
R14
47
100
0.01
10.7MHz
220k
16V
10V
C18
R12
RV1
R13
2.2
100
22k
10k
50V
R11
1k
R15
2.2k
C21
C20
4.7
0.47
TP8
50V
(VCO)
C31
R19
1
220k
C24
C25
4.7
1
TP7
50V
(+B)
C26
C28
L5
C27
C29
R18
C32
47
47
47µH
0.01
0.015
6.8k
0.01
16V
16V
R222
R17
R324
1k
6.8k
R325
1k
10k
VOL OUT
R210
C323
0
1000p
C221
4.7
R122
R121
50V
1k
2.2k
CD/TUNER
SELECT
C121
SWITCH
4.7
50V
IC320
BU4066BCF
R221
2.2k
R110
0
I1
I2
I3
I4
FB501
1.1UH
L301
4.7µH
C559
0.01
22k
R302
22k
4.7k
LOW-PASS
FILTER
R203
R205
C551
22k
47k
0.01
R209
C472
C550
2.2k
100p
10p
C201
C202
47p
100p
R204
R206
L503
22k
47k
IC301(1/2)
C204
BA4558F
47p
C203
R207
R208
47p
10k
10k
L505
C546
10µH
100
16V
R108
10k
C103
R107
C105
L302
47p
10k
470p
0
C545
0.01
IC301(2/2)
C104
47p
BA4558F
R103
R105
22k
47k
H1
C544
R109
0.01
2.2k
H2
C101
C102
47p
100p
H3
H4
R104
R106
22k
47k
5
5
C13
0.01
R6
C12
1M
15p
R8
1M
C10
C14
390p
270p
L4
MW/LW OSC
CT4
30p
C36
22p
C15
39p
R10
Q2
3.3k
2SC2714
MW/LW SWITCHING
CN301
RV301
7P
CN302
7P
VOLUME
L IN
RV302
MEGA BASS
R IN
L OUT
-1
-2
GND
VOL IN
R OUT
W707
10P
VOL IN
VOL OUT
R CH
GND
L CH
5V
VT
GND
(Page 7)
BASS ON
POWER ON
W706
10P
GND
V MUTE
CD ON
BUZZER
AC IN
5V
CD 5V
CD GND
(Page 7)
CD 6V
CD GND
W8
(Page 7)
BH570
CN502
7P
6P
M570
SL +
(SLED)
SL -
SP -
M571
SP +
(SPINDLE)
SW
S570
GND
(LIMIT)
ICF-CD873L
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