Sony CDX-MP80 Service Manual

23 23
CDX-MP80
4-3. BLOCK DIAGRAM — AUDIO, DISPLAY SECTION —
1
2
17 18 9
16 8
2
98
92 93
73 74 48 79 72 80 46 110 109
ENC901
VOL
99 98100
10 11 52 75 70 71 53 55 9 31 5
97
3
4
9
7
6
49
106
12
13
84
85
86
87
57
66
64
22
4
11
12
5
3
62
60
100
99
5
9 10 20
4
12 13 14
8
10
9
12
4
43
28
27
24
3938 33
40
16 19 20 14 13 23 2117
9
7
BUFF
Q202
NOISE
DETECT
IC201
MUTE
CONTROL
Q530
MUTE
CONTROL
Q310,312
MUTE
Q303
MUTE
Q301
MUTE
Q305
SUB
OUT
IC310
NS MASK
Q203
112
1
L
R
L
R
-1
-2
-1
-2
CN303
AUX IN
CN201
(ANTENNA)
CN302-1,-2
BUS
AUDIO
IN
L
R
L
R
L
R
CN302-5,6
FRONT
CN302-3,4
REAR
CN301
SUB OUT
(MOMO)
R-CH
R-CH
AM-ANT
FM-ANT
AM DET
MPX
SDA SCL SDA SCL S-METER RDS DET
EEPROM
AUX-L
MD-L AC IN L
ELECTRONIC VOLUME
IC305
QUAL SDA SCL MPIN LEVEL
56
NS MASK SM SAOUT SACLK
AM,MPX2
MPX
CD-L
A OUT L
OUT SW
CREF
OUT LF
OUT LR
X201
OSCI OSCO
MPX
SDA SCL LVIN
DAVN
MPTH
RDS
IC202
LCH
ADSO
IC301
-1
-2
-5
-6
-3
-4
R-CH
R-CH
FP CLOSE
FP OPEN
FP IDET
OPEN SW
CLOSE SW
XIA
15
BEEP XOA KEY ACK AD ON RE LB RE LA RE RB RE RA KEY INO RC INI RC INO
BOOT
DIMMER
BLUE
GREEN
AMBER
NOSE SW/
RX
TX
ATT
E VOL ATT
NCO
AMP ON
VSM
I2C-SCL
I2C-SDA
DAVN
MPTH
T.ROM SCL
T.ROM SDA
XI
LCD DATA
LCD CLK
LCD CE
XO
108 107
ENC902
PRST/AMS
KEY
KEY ACK
DETECT
Q501
BEEP
SWITCH
Q502
SACLK
Q309
SAIN
LCD CKO
LCD CE
BOOT
RX
LCD SO/TX
COLOR
CONTROL
Q901-906
LCD
TUNER UNIT
TUX201
X503
3.68MHz
X501
32.768kHz
MOTOR
DRIVE
IC653
M
M601
OPEN/CLOSE
MOTOR
S601
(OPEN)
S602
(CLOSE)
BZ501
J651
(REMOTE IN)
L CH
R CH
R-CH
A ATT
EJECT
SYSTEM CONTROL
IC501 (1/2)
AEP,UK MODEL
POWER AMP
IC309
LINE AMP
IC307
1
7
3
5
BUFFER
IC303
DISPLAY CONTROL
IC702 (1/2)
CN101 (1/2)
1
9
4
12
2
10
3
ST-BY
MUTE
11
FL+
FL-
FR+
R-CH
R-CH
R-CH
R-CH
FR-
RL+
RL-
RR+
RR-
LCD DRIVER
IC901
KEY
BOARD
LSW901-905,907,909
ENC901,902
S901-904
CURRENT
DETECT
IC651(1/2)
AUDIO
OUT
24
23
2
5
CD
SECTION
B
• Signal path
: CD
: FM
: AM/MW/LW
• R-ch is omitted due to
same as L-ch.
(Page 22)

Sony CDX-MP80 Specifications

General

Brand	Sony
Model	CDX-MP80
Category	Car Receiver
Language	English