CDX-M730 (serv.man2) - Sony Car Audio Service Manual (repair manual)

cdx-m730 (serv.man2) service manual
Model
CDX-M730 (serv.man2)
Pages
14
Size
3.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio / SUPPLEMENT-1
File
cdx-m730-sm2.pdf
Date

Read Sony CDX-M730 (serv.man2) Service Manual online

1
US Model
Canadian Model
AEP Model
UK Model
E Model
SERVICE MANUAL
Ver 1.2  2002. 11
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change the suffix number (-13) of main board and
power IC (IC903).
The main board has been changed for those sets that have their serial numbers of
3536845 and later. Check the serial number when servicing and inspecting.
(ENG-02013)
CDX-M730
MAIN BOARD Part No.
Former type :1-684-223-11
New type     :1-684-223-13
– MAIN BOARD (SIDE A) –
9-873-692-81
2
CDX-M730
• Waveforms
— 
Main Board 
(MODE: FM)
1
3.8Vp-p
2
32.768kHz
IC801  
uf
  (XOA)
3
3.68MHz
IC801  
os
  (XO)
4
18.43MHz
IC301  
ih
  (EXTAL)
5
4MHz
IC803  
4
  (XOUT)
4.3MHz
IC601  
4
  (XO)
5.4Vp-p
2.6Vp-p
3.8Vp-p
3.5Vp-p
Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
%
: indicates tolerance.
f
: internal component.
C
: panel designation.
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM/MW/LW
J
: CD
• Abbreviation
CND : Canadian model.
• (
) : Refer to page of Supplement-1.
• ((
 )) : Refer to page of Service manual.
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
x
: parts mounted on the conductor side.
a
: Through hole.
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Abbreviation
CND : Canadian model.
• (
) : Refer to page of Supplement-1.
• ((
 )) : Refer to page of Service manual.
3
3
CDX-M730
• IC BLOCK DIAGRAMS
IC305  TDA7406
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
IC901  TL1451ACDB
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+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
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
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
1
2
3
4
5
6
7
14
13
12
11
10
9
8
RESET
SWITCH
BATT
SWITCH
BUS ON
OUT
RESET
OUT
CLK
OUT
DATA
IN/OUT
BATT
VREF
GND
RESET IN
CLK IN
BATT
CHECK
BUS ON
VCC
DATA IN
DATA OUT
IC802  MM1175XFF
IC307  BA6288FS
CONTROL
LOGIC
TSD
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
NC
OUT1
M BATT
VCC
CLOSE
NC
NC
RNF
NC
OUT2
NC
VREF
OPEN
NC
NC
DRIVER
DRIVER
POWER
SAVE
1
7
8
3
4
5
2
6
1A
Y3
2A
GND
VDD
1Y
3A
2Y
IC303  TC7W14FU (TE12R)
SCOUT
MRO
MPTH
TEST
XO
XI
GND
DVDD
DAVN
SDA
VREF
FM DET   
GND
AVDD
AFIN
SLI
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
SMETER
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9
10
3
4
5
IC601  SAA6588T/V2
4
4
CDX-M730
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
R716
Q907
R352
R371
R825
R608
D508
R619
R904
R380
R936
C312
R934
R323
IC601
IC312
C642
Q923
R351
R809
R620
C624
Q461
R333
C619
D906
C808
Q917
R928
R802
IC306
JR801
Q918
C442
R105
D303
D301
R871
R933
Q302
C814
D841
R338
R866
R403
R456
IC307
R909
C335
R925
C103
R404
C342
R811
IC802
R912
C622
R813
IC409
Q908
R611
R616
R631
C611
R386
R807
C406
Q607
D921
R379
Q803
R862
C809
Q402
IC801
R618
D804
Q921
JR914
JR901
R102
C405
D913
CNP804
R406
R106
R465
Q919
Q102
Q202
Q201
R104
C104
C363
Q909
R381
R810
R844
Q902
C313
D413
R332
R814
R893
R121
R872
R914
C817
Q403
JR906
R122
R111
JR810
Q925
D918
R929
R840
R931
R927
D910
R911
D915
R926
D828
C410
D930
R826
IC303
C824
R901
R617
R955
R856
D920
C602
C204
R868
C909
R953
C905
R112
JR820
C322
C323
R317
R316
C903
R313
C911
IC803
C330
C325
IC311
R327
R322
C203
C612
R326
D924
C336
IC301
R852
IC305
C609
R943
Q804
R873
R945
R923
D919
R939
R857
R937
JR905
R885
R886
R205
R833
C643
R405
C408
R815
R521
C376
R954
Q410
R908
JR902
R932
R952
R848
C813
R870
C329
R946
R805
R906
R905
IC901
R924
R940
R947
R874
C923
C906
R440
D806
R883
R383
R938
C910
C339
R845
R372
R808
R843
D807
R876
R902
R838
D912
IC602
C623
R318
D909
R875
R842
D825
R864
R836
C378
C375
C626
R206
R819
R374
JR904
C812
R944
C908
R820
R907
D826
R910
R903
C431
R855
R922
1. PRINTED WIRING BOARDS — MAIN SECTION —
((Page 42))
D301
H-9
D303
H-10
(D402)
D-5
(D403)
C-4
(D405)
D-5
(D406)
D-5
(D407)
C-6
(D408)
D-5
(D409)
C-6
(D410)
C-6
(D411)
C-6
(D412)
C-5
D508
I-7
(D601)
E-2
(D602)
F-3
(D604)
E-2
(D802)
H-5
(D803)
F-3
D804
I-7
(D805)
I-3
D806
I-3
D807
I-3
(D808)
I-4
(D809)
I-3
(D810)
I-5
(D811)
E-8
(D815)
C-10
(D819)
I-6
(D820)
I-6
D825
G-9
D826
G-9
(D827)
I-5
D828
H-9
(D830)
H-5
(D831)
I-6
(D832)
H-7
(D840)
I-5
D841
I-4
(D842)
I-4
(D843)
I-3
(D901)
C-9
(D902)
E-9
(D903)
C-8
(D904)
F-10
(D905)
D-9
D906
D-9
(D907)
C-9
(D908)
C-8
D909
D-8
D910
C-9
D912
C-9
D913
I-7
(D914)
D-8
D915
E-8
(D916)
G-9
(D917)
E-8
D918
C-8
D919
D-9
D921
H-6
(D923)
E-7
D924
H-9
(JR604)
C-2
IC301
G-3
IC303
I-2
IC305
E-4
IC306
G-10
IC307
H-10
(IC308)
H-10
IC311
E-5
IC312
F-5
IC409
D-2
IC601
F-2
IC602
F-3
IC801
H-8
IC802
E-8
IC803
H-5
IC901
F-10
(IC902)
H-8
(IC903)
B-6
(IC905)
E-10
(Q101)
D-4
Q102
C-3
Q201
C-3
Q202
C-4
Q302
I-9
(Q303)
H-10
(Q304)
G-10
(Q401)
D-4
Q402
D-4
Q403
C-3
Q410
D-5
Q461
D-9
(Q603)
F-1
(Q605)
F-3
Q607
F-3
Q803
E-7
Q804
E-8
(Q806)
H-5
(Q901)
D-10
Q902
E-7
(Q903)
E-9
(Q904)
E-10
(Q905)
E-6
(Q906)
E-10
Q907
F-8
Q908
G-8
Q909
F-8
(Q911)
G-10
(Q912)
E-9
(Q913)
F-10
(Q914)
F-11
(Q915)
F-9
Q917
E-9
Q918
D-8
Q919
E-6
(Q920)
E-8
Q921
I-7
Q923
D-8
(Q924)
D-2
Q925
C-3
(Q929)
F-9
(Q930)
F-7
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
(      ): SIDE B
Page of 14
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Here you can read online and download Sony CDX-M730 (serv.man2) Service Manual in PDF. CDX-M730 (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony CDX-M730 (serv.man2) Car Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.