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Block diagram
ANTENNA
TU1
TU1
DAB TUNER
DAB TUNER
(A5V/A3.3V)
(A5V/A3.3V)
5
QAU0284-001
QAU0284-001
B3
SAW
36.864MHz
L
PLL
PLL
4
TH1
TH1
PTC
PTC
NAD0031-001
NAD0031-001
3
Q891
Q891
BATT
TR.SW
TR.SW
2
IC802
IC802
IC803
IC803
SW.REG
SW.REG
SER.REG
SER.REG
SI8050
SI8050
7805A
7805A
SER.REG
SER.REG
IC801
IC801
NJM2370
NJM2370
IC806
IC806
SER.REG
SER.REG
TA48033
TA48033
1
IC805
IC805
CMOS REG
CMOS REG
S-81250
S-81250
A
IF
2.048MHz
PLL SCL
PLL SDA
(I 2 C)
DAB RESET
POWER OUT
IC804
IC804
RESET
RESET
RESET
A3.3V
SER.REG
SER.REG
PST9121
PST9121
BA033
BA033
D3.3V
(P3.3V)
(P3.3V)
A5V
IC851
IC851
D5V
BR93LC66F
BR93LC66F
9V
P3.3V
P5V
B
C
X1
X1
24.576MHz
IC1
IC1
DAB BASEBAND
DAB BASEBAND
(D3.3V/A3.3V)
(D3.3V/A3.3V)
MN66720UC
MN66720UC
AFC
AFC
3M DRAM
3M DRAM
ADC
ADC
FIR
FIR
DEINTE-
DEINTE-
FFT
FFT
RLEAVER
RLEAVER
AGC
AGC
MCK
MP2
MP2
VITERBI
VITERBI
DECODER
DECODER
MPU IF
MPU IF
BCK
LRCK
DA
(I 2 S)
IC701
IC701
DZFL
DZFR
MUTE
UCOM.
UCOM.
JBUSINT
MN102H60KCB
MN102H60KCB
JBUSI/O
JBUSDAO
(P3.3V)
(P3.3V)
JBUSDAI
JBUSCK
X701
X701
19.6608MHz
EEPROM
EEPROM
(P3.3V)
(P3.3V)
IC702
IC702
D
E
Q121
Q121
IC501
IC501
IC901
IC901
Q221
Q221
L-CH
DAC
DAC
BUFFER AMP
BUFFER AMP
R-CH
AK4382
AK4382
NJM4580
NJM4580
MUTE
MUTE
(A5V)
(A5V)
(9V)
(9V)
AUDIOSEL
IC771/IC772
IC771/IC772
3.3V/5V IF
3.3V/5V IF
JBUSCK
TC7WT241x2
TC7WT241x2
JBUSDA
(P5V)
(P5V)
Serial Communication Signal
Analog Signal
Other Control Signal
F
KT-DB1000
CD CHANGER
L-CH
R-CH
IC911
IC911
Audio
Audio
Switch
Switch
NJM2750
NJM2750
JBUS AUDIO OUT
(9V)
(9V)
G
2-1
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