Sony CDX-MP40 (serv.man2) Service Manual ▷ View online
5
5
CDX-MP40
3. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 7 for IC Block Diagram.
((Page
26))
(Page 4)
Note:
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : FM
(
no mark : FM
(
) : AM/MW/LW
(Page 6)
IC B/D
C712
C714
C715
C804
D701
D804
D807
D809
D810
D819
D925
D926
D927
IC701
IC803
L702
R702
R705
R706
R707
R801
R805
R812
R817
R818
R819
R820
R823
R824
R825
R827
R835
R843
R866
R867
S801
TH900
R813
R814
R815
C713
L701
R833
C811
R829
R830
CNP802
R914
C826
C827
R836
R870
S802
D920
JR805
D802
C703
C719
D811
D812
D813
D814
D815
D816
D817
C704
C705
C718
C916
R927
R926
C816
C825
CNJ801
R821
C822
R816
C809
C808
R868
R831
R828
R915
D808
D818
R822
C818
R826
R708
Q916
Q912
C823
Q918
CNP801
D805
D806
R804
C716
C815
X802
X801
R802
C805
C810
R834
C802
R918
CNP701
IC902
L703
Q913
Q914
Q915
C821
FB801
JR904
JR803
C812
C813
JR807
IC801
JR602
R808
R809
R810
Q803
D801
Q801
Q804
C803
Q805
Q806
Q802
R806
R807
Q923
Q919
Q924
JR906
8
2V/DIV,20
µ
s/DIV
3.8 Vp-p
30.5
µ
s
IC801
qh
(XOUT)
7
2V/DIV,40ns/DIV
3.2 Vp-p
54 ns
IC801
qs
(OSCOUT)
• Waveforms
6
6
CDX-MP40
4. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM — RELAY SECTION — • Refer to page 20 for Circuit Boards Location in Service Manual.
1
A
B
C
D
E
F
G
2
3
4
5
6
7
FMA3
CNP902
R930
R931
R932
LED931
S931
LED930
CNP903
LED930
LED931
CNP902
CNP903
R931
R930
R932
S931
(Page 3)
((Page 34))
(Page 5)
((Page 35))
7
CDX-MP40
IC401 BD3802F
5. IC BLOCK DIAGRAMS
IC601 SAA6588T/V2-518
IC803 MM1175XFF
28
27
26
25
24
23
22
21
20
19
18
17
I
2
C BUS
LOGIC
16
15
VCO
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
EFFECT (OFF,6dB,
10dB,14dB)
EFFECT (OFF,6dB,
10dB,14dB)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
INPUT GAIN
(0~15dB,1dB STEP)
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
INPUT GAIN
(0~15dB,1dB STEP)
MUTE
MUTE
6
7
8
9
10
11
12
3
4
5
2
1
D-GND
A-GND
FIL
BUS-
RCH
AN
BUS-
LCH
TU-
RCH
TU-
LCH
CD-
RCH
CD-
LCH
D1
D2 DS11
13
DS21
14
DS31
SDA
SCL
MUTE
SEL
ADJ
VCC
OUT-
RL
OUT-
RR
OUT-
FL
OUT-
FR
DS32
DS22
DS12
VCC
VCC/2
ON
OFF
ON
OFF
TONE
PASS
PASS
TONE
PASS
PASS
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
RESET
SWITCH
BATT
SWITCH
1
2
3
4
5
6
7
8
9
10
14
13
12
11
BUSON
RST
BATT
CLK
VREF
DATA
I/O
GND
B/U-C
CLK-IN
BUSON
VCC
DATA IN
DATA OUT
RST
8
CDX-MP40
Ref. No.
Part No.
Description
Remark
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.
R
R
6. EXPLODED VIEW — CHASSIS SECTION —
1
X-3382-626-1 PANEL ASSY (CD), SUB
2
3-246-441-01 BUTTON (EJECT)
3
1-792-173-11 CABLE, FLAT (FFC) 12P
4
X-3376-699-6 GEAR ASSY
5
3-243-177-01 CUSHION (SUB PANEL)
6
3-030-909-03 DAMPER, OIL
7
3-713-786-51 SCREW +P 2X3
8
X-3377-621-8 LOCK ASSY
9
1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER)
10
3-246-007-01 BRACKET (CD)
11
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
12
A-3274-836-A MAIN BOARD, COMPLETE
13
3-041-261-11 BRACKET (TR)
* 14
3-040-998-01 BRACKET (IC)
15
3-246-481-01 PLATE (TU), GROUND
* 16
3-246-005-11 CHASSIS (CD)
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TUX501 A-3220-887-A TUNER UNIT (TUX-030)
#1
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-621-772-20 SCREW +B 2X5
#3
7-685-793-09 SCREW +PTT 2.6X8 (S)
#4
7-685-795-09 SCREW +PTT 2.6X12 (S)
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.
9
10
2
MG-393MC-121
#1
#1
1
6
7
8
3
16
15
#1
#2
#2
#2
#1
#1
not supplied
not
supplied
(SPEAKER
board)
supplied
(SPEAKER
board)
not
supplied
supplied
not
supplied
supplied
not supplied
(RELAY board)
(RELAY board)
4
5
11
11
12
13
14
TUX501
#3
#3
#3
#3
#3
#3
#4
F901
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