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Q Q
Block diagram
3 7 6 3 1 5 1 5 0
ANTENNA
TU1
DAB TUNER
S1
ANTENNA
POWER
SUPPLY
TH1
PTC
T E
L
1 3 9 4 2 2 9 6 5 1 3
BATT
TUSCL
TUSDA
Q891
TR.SW
POW OUT
IC802
IC803
IC804
SW.REG
SER.REG
SER.REG
IC801
SER.REG
IC806
SER.REG
w w w
IC805
CMOS REG
.
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X1
IF
IC1
DAB BASE BAND
MP2 DECODER
MPUDAI
MPUDAO
MPUCK
MPUEN
MPUMOD
NIRQ
WFIC
DABRST
IC701
CONTROLLER
ANT+BIN
(P3.3V)
RESET
IC851
A3.3V
RESET
D3.3V
(P3.3V)
DI
DO
X701
A5V
SK
CS
9V
IC702
EEPROM
(P3.3V)
P3.3V
P5V
x
a o
u 1 6 3
y
i
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8
9
CD CHANGER
L-CH
MCLK
R-CH
IC501
IC901
DAC
LPF AMP.
(A5V)
(9V)
BICK
SDTI
LRCK
DACRST
DACCCLK
DACCDTO
DACCSN
Q
Q
3
7
6
3
1
5
1
DZFL
DZFR
AUDIOSEL
AMUTEL
AMUTER
JBUSINT
JBUSI/O
JBUSDAO
JBUSDAI
IC771,IC772
JBUSCK
JBUS BUFFER
(P5V)
c o
.
2
4
2
9
8
L-CH
R-CH
IC911
Q121
AUDIO
JBUS AUDIO OUT
Q221
SELECTOR
MUTE
(9V)
5
0
8
9
2
4
9
8
2
JBUSCK
JBUSDA
Serial Communication Signal
Analog Signal
Other Control Signal
m
9
9
9
9
2-1
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