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20
20
CDX-CA900/CA900X
CN201
(ANTENNA)
1
10
2
ANT AM
MPX
CDL
SAOUT
SACLK
8
AMDET
9
RDS
ANT FM
TUNER UNIT
TUX201
FM AMP
Q212
Q211
SYSTEM CONTROL
IC501 (2/3)
14
S METER
12
SDA
13
SCL
17
18
RDS DECODER
IC201
X201
4.332MHz
ELECTRONIC VOLUME
IC301
Q306
GND SWITCH
Q391
Q308
Q310
MUTE
CONTROL
Q843,844
POWER AMP
IC381
CN101
FL+
FL–
RL+
RL–
TEL MUTE
ILL
ACC
TEST
FR+
13
14
7
15
4
10
2
9
1
12
3
11
BATT
FR–
RR+
RR–
5
AMP REM
6
ANT REM
19
17
18
16
B+
B+
X501
32.768kHz
X502
3.68MHz
ILLUM CHECK
Q102
POWER
CONT
Q104,105
POWER
CONT
Q106,107
ACC CHECK
Q101
POWER
CONT
Q801-803
Q103
R-CH
BATT
BATT
BATT
AUDIO+8.5V
TU +8.5V
POWER
CONT
Q201,202
AUDIO+8.5V
TU +5V
+5V REG
Q203
TU+8.5V
CN301
CN302
R
L
SUB OUT
–3
–4
R
L
AUDIO OUT
REAR
R-CH
–5
–6
R
L
AUDIO OUT
FRONT
R-CH
–1
–2
R
L
BUS AUDIO IN
R-CH
FL
RL
F901
• Signal path
: FM
: AM/MW
: CD
IC304 (2/2)
IC304 (1/2)
ADSO SWITCH
IC361
3
2
5
7
1
• R-ch is omitted due to
same as L-ch.
AEP, UK, E MODEL
3-4. BLOCK DIAGRAM — TUNER SECTION —
(Page 19)
(Page 21)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299