Sony CDX-MP80 Service Manual ▷ View online
41
CDX-MP80
IC4 UT61L1024LC-12 (SERVO Board)
IC202 SAA6588T/V2-518 (MAIN Board)
17
A3
18
A2
19
A1
20
A0
21
DQ1
22
DQ2
23
DQ3
24
GND
25
IO4
26
IO5
27
IO6
28
IO7
29
IO8
30
CS1
31
A10
32
OE
DECODER
CORE ARRAY
DATA I/O
CONTROL
16
A4
15
A5
14
A6
13
A7
12
A12
11
A14
10
A16
9
NC
8
VDD
7
A15
6
CS2
5
WE
4
A13
3
A8
2
A9
1
A11
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSWN
SCL
2
1
6
15
11
13
16
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9
10
3
4
5
42
CDX-MP80
IC653 LB1930M (MAIN Board)
IC654 LB1930M (MAIN Board)
IC654 LB1930M (MAIN Board)
IC305 TDA7406 (MAIN Board)
IC902 RRX9000-0601#1 (KEY Board)
16
1
2
3
4
5
6
7
8
15
14
13
11 10
12
9
L IN
L IN GND
L
V STBY
VCC
NC
NC
VPO
NC
GND A
V IN
V AGC
LNS
VCO NC
GND
C
INPUT
SLAGE
320kHz
AGC
320kHz
/500kHz
PULSE
COUNTER
PULSE
FORMER
NOISE
SUPPRESSION
BANDGAP
REFERENCE
1
2
2
3
4
5
6
7
8
9
10
VCC
RIN
SGND
FIN
NC
NC
OUT2
NC
PGND
OUT1
CONTROL
CIRCUIT
MOTOR
DRIVE
CIRCUIT
BUFFER
BUFFER
33
34
35
36
37
38
39
40
41
42
43
44
1 2 3 4 5
6 7 8
9
10
11
28 27
30 29
32 31
SOFT STEP
FADER
SOFT STEP
FADER
SOFT STEP
FADER
SUB
WOOFER
FILTER
MONO
FADER
MIXER
OUTPUT SELECTOR
HIGH PASS
SOFT STEP
VOLUME
7BAND
EQUALIZER
SOFT MUTE
BEEP
PAUSE
PLL
PIL, DET
LOUDNESS
SPECTRUM
ANALIZER
IN GAIN
+ AUTO
ZERO
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
II
C-BUS
DIGITAL
CONTROL
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
PILOT
CANCELLATION
MULTI
PATH
DETECTOR
AM/FM
NOISE
BLANKER
PULSE
FORMER
SUPPLY
25kHz
LP
86kHz
LP
STD
IN GAIN
S & H
HIGH OUT
QUAL.
A/D
12
13
14
15
16
18
19
22
21
20
INPUT MULTIPLEXER
XR R
AUX R
PD–
AUX L
PAUSE
PHONE
TIM
NAVI
AM/MPX2
AMIF
CMPX
XR L
MDL
MDR
CDR
CDL
CREF
AC OUTL
SWACOUT
ACOUTR
ACINR
SWIN
ACINL
MIXINLF
MIXINLR
MIXINRR
MIXINRF
OUTLF
OUTLR
OUTRF
OUTRR
OUTSW
SAOUT
26 25
24
23
MPX1
LEVEL
MP IN
MP OUT
QUAL
17 SM
DGND
SDA
SCL
SACLK
VDD
CREF
43
CDX-MP80
IC601 BA8270F (MAIN Board)
IC101 TL1451ACDB (MAIN Board)
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RESET
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
DATA
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+2.5V
+2.5V
+2.5V
+
–
U.V.L.O
–
+
+
+
–
–
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
PWM
COMPA-
RATOR2
RATOR2
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
RATOR1
RATOR1
VERF
S
R
R
VERF
VERF
ERROR
AMP2
ERROR
AMP1
VREF/2
SHORT
CIRCUIT
PROTECTION
COMPARATOR
VCC
+
REFO
SCP
INA2
INB2
FB2
DTC2
OUT2
VCC
GND
OUT1
RT
INA1
INB1
FB1
DTC1
CT
IC307 LA2901V-TLM (MAIN Board)
1
24
2
3
4
5
6
7
VREF
VREF
VCC
VCC
VREF
23
21
22
20
17
14
13
19
18
16
15
VREF
VREF
VCC
VCC
VREF
8
9
10
11
12
SIGNAL
AMP
SIGNAL
AMP
SIGNAL
AMP
SIGNAL
AMP
LIFT
AMP
LIFT
AMP
LFIN-
LFIN+
N.C
LRIN-
LRIN+
RFIN+
RFIN-
N.C
DCL
DCR
LFOUT
LROUT
RFOUT
RROUT
VCCL
VCCR
LGND
RGND
LIFT
LVD
LVD
LIFT
LOUT
LOUT
LIFT
ROUT
ROUT
LIFT
ROUT
ROUT
RRIN+
RRIN-
44
CDX-MP80
SECTION 5
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
5-1. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this
parts list.
• Abbreviation
CND: Canadian model
R
R
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
1
2
3
A
A
#1
#2
not supplied
MG-550M-156
#1
#1
#1
#1
#1
#1
4
5
5
8
9
7
10
11
12
13
12
14
11
6
not supplied
not supplied
1
3-236-999-02 COVER
2
1-776-207-72 CORD (WITH CONNECTOR) (POWER) (US,CND)
2
1-776-527-71 CORD (WITH CONNECTOR) (ISO) (POWER)
(AEP,UK)
3
3-247-019-01 BRACKET (COVER)
4
3-236-963-02 BRACKET (TRAY)
5
3-242-600-01 SHAFT (BASE PANEL B,D)
6
X-3381-363-2 BASE ASSY, PANEL
7
3-236-978-01 PANEL (CD), SUB
8
3-237-000-02 COVER, PANEL
9
1-761-522-11 FLEXIBLE BOARD
10
3-237-001-01 BUTTON (RESET)
11
3-230-416-01 SCREW
12
3-243-606-01 RING (PANEL), E
13
3-238-969-01 BRACKET (CUSHION)
14
3-226-653-11 PLATE (LCD), BLIND
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-09 SCREW +PTT 2.6X4 (S)
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