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MEX-5DI
4-4. BLOCK DIAGRAM — TUNER SECTION —
1
2
17 18
98
92 93
73 74 72 80 46
10 11 70 71 53 31 6
97
3
4
9
7
6
49
16
100
99
12 13 14
8
10
9
12
4
43
28
27
24
38 33
40
19 20 14 13 23 2117
MUTE
CONTROL
Q530
MUTE
CONTROL
Q363,364
MUTE
Q453
MUTE
Q451
MUTE
Q351
L
R
MS-L
MS-R
-1
-2
CN301-1,-2
BUS AUDIO
IN/AUX IN
CN101
(ANTENNA)
R
L
L
R
L
R
CN451-1,-2
FRONT
CN451-3,-4
REAR
CN301-3,-4
SUB OUT
R-CH
R-CH
AM-ANT
FM-ANT
AM DET
MPX
SDA
SCL
SDA
SCL
S-METER
9
RDS DET
EEPROM
AUX-L
ADSO1
ADSO2
MD-L AC IN L
ELECTRONIC VOLUME
IC301
SDA
SCL
MPIN
LEVEL
SM
SAOUT
SACLK
AM/MPX2
MPX1
CD-L
A OUT L
OUT SW
OUT LF
OUT LR
LCH
ADSO
IC302
ADSO SW
IC309
-4
-3
-1
-2
-3
-4
R-CH
R-CH
MOTOR+
MOTOR-
FP IDET
OPEN SW
CLOSE SW
XIA
XOA
KEY ACK
AD ON
KEY INO
TEL ATT
95
ILL IN
81
ACC IN
84
TEST IN
83
POW ON
115
TUN ON
57
DDC-ON
ATT
15
BEEP
E VOL ATT
VSM
I2C-SCL
I2C-SDA
4
ADSO1
T.ROM SCL
T.ROM SDA
XI
XO
56
NS MASK
KEY
S200-208,210
46
FAN
AD ON
Q504
TUNER UNIT
TUX201
X502
3.68MHz
X501
32.768kHz
MOTOR
DRIVE
IC703
M
M601
(OPEN/CLOSE)
S601
(OPEN)
S602
(CLOSE)
L-CH
R-CH
R-CH
A-ATT
EJECT
SYSTEM CONTROL
IC501 (2/3)
CN401
14
15
7
13
6
TEL MUTE
ILL
ACC
TEST
AMP R
5
ANT R
FAN1
16
BATT
BATT
I-DET
IC701(1/2)
AUDIO
OUT
BEEP DRIVE
Q901
BUZZER
CD
SECTION
A
SA CLK
SA OUT
MS MUTE
DISPLAY
SECTION
D
DISPLAY
SECTION
C
BZ901
5
SDSO2
32
MNI AU
50
QUALITY
75
DAVN
6
NOISE
DET
IC102
7
16
FM DET
4
OSCO
5
OSCI
8
DAVN
9
SDA
10
SCL
BU5V
BATT
FAM MOTOR
POWER CONTROL
Q871-873
Q142
TUNER POWER
CONTROL
Q861,862
POWER
CONTROL
Q866,867
+5V REG
Q101
TEL MUTE
Q406
ILLUMI CHECK
Q404
ACC CHECK
Q405
+5V REG
IC307
MS AMP
IC310
+5V REG
Q851
FM AMP
Q141
REG
Q865
AMP POWER
CONTROL
Q401 (1/2),402
ANT POWER
CONTROL
Q401 (2/2),403
AUDIO POWER
CONTROL
Q863,864
BATT
BATT
TU+8.5V
AUDIO+8.5V
BU+5V
TU+5V
+5V
TU+8.5V
AUDIO+8.5V
8.5V
Q352
RDS DECODER
IC101
BUS-GND SW
X101
4.332MHz
AEP,UK,E MODEL
• Signal path
: CD
: FM
: AM
• R-ch is omitted due to
same as L-ch.
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