Sony CDX-757MX Service Manual ▷ View online
CDX-757MX
29
29
IC301
IC302
IC603
C313
C301
TP305
TP306
TP307
TP308
TP309
TP310
TP311
TP312
TP313
D302
C305
D301
D303
TP322
TP321
TP323
TP324
R311
R310
C312
C318
C317
C319
C315
C309
IC303
Q420
R416
R415
C411
C412
R413
C409
C410
R414
C407
C408
C405
R403
R411
R405
R401
R406
R402
R412
C403
C404
C605
C607
R608
R607
C606
C608
R602
C601
RB601
C610
R601
R610
C611
C505
C406
R404
R302
C307
R307
Q301
D306
R303
R304
R305
C302
C303
C613
C401
IC602
C612
C603
TP601
TP602
C602
R603
C615
R115
C614
C604
R613
R612
R301
C314
IC401
IC605
IC604
C609
Q410
Q402
IC306
IC305
IC304
Q303
Q304
Q302
R306
D310
C311
BP302
BP301
C306
SW801
TP302
TP301
TP303
TP304
CN301
C304
TP802
TP801
M104
RB602
RB603
RB604
IC601
C616
C316
C310
LB1930M-TLM
BA8272AFV-E2
RN5RZ25BA-TL
100
16V
16V
0.1
MM3Z18VST1
0.001
RB481YT2R
MM3Z18VST1
100k
27k
0.1
0.1
0.1
22
6.3V
1000
16V
0.1
XC61CN2702NR
DTC314TK
-T-146
100k
100k
100p
100p
100
47
16V
47
16V
100
100
16V
16V
0.1
220p
10k
150k
10k
10k
10k
10k
150k
0.001
0.001
0.1
0.33
270
270
0.1
0.1
100k
0.1
100k
0.1
1k
1M
0.1
100
16V
16V
220p
10k
470k
0.01
91k
MSD601-RT1
MM3Z6V8ST1
100k
1M
100k
0.1
0.1
0.1
0.1
W24L010AT-
12-EL15
0.1
0.1
0.1
100
0.1
100
0.1
10
16V
1k
150
47k
0.1
TLV2362IPWR
TC7SH08FU
-TE85R
TC7SH08FU
-TE85R
0.001
DTC314TK
-T-146
MUN2111T1
RH5RL33AA-T1
NJM2396F05
NJM2396F08
2SB1184-TLR
MSD601-RT1
DTA115EKA-T146
47k
MM3Z5V1ST1
100
16V
0.0047
0.1
100k
X4
100k
X4
100k
X4
CXD9684R-004
47p
0.1
5.5V
2200
6.3V
6.3V
A1
A2
A3
A4
A5
A6
A7
A8
A10
C1
C3
C4
C5
C6
C7
C8
C9
SO
SI
SCK
BUSON
CE
IO
2
IO3
IO4
IO
5
IO6
IO7
EJECT
CDON
A11
A
12
A5
A4
A3
A2
A1
A0
SDA
TC-XRDE
DECXRST
DECSTBY
DECINT
REV
FWD
SCL
EVO
N
BUCHK
RST
R
ST
M
U
TE
IO0
A0
A1
A2
A3
OE
A10
CE
IO7
IO6
IO5
IO4
IO3
IO2
IO1
A11
A9
A8
A13
A12
A7
A6
A5
A4
A14
A16
WR2
A15
A15
A16
WR2
A14
A6
A7
A8
A9
A10
IO0
IO1
A13
O
E
A11
A9
A8
A13
CS2
A15
VDD
NC
A16
A14
A12
A7
A5
A6
A4
A10
IO8
IO7
IO6
IO5
IO4
GND
A0
A1
A2
A3
IO2
IO3
IO4
IO5
IO6
IO7
VSSP
PDO
VCOI
VDDP
X1
X0
VSSX
MIMD
AD0
AD1
AD2
AD3
AD4
AD5
LRCKIA
BCKIA
SDI0
AD11
AD12
CKS
TESTP
VRAR
RO
LO
VRAL
STANBY
VSS
IO1
IO0
AD15
AD16
AD14
AD13
VSS
AD6
AD7
AD8
AD9
AD10
VDDT(3.3V)
VDD(2.5V)
VDAL(2.5V)
VDAR(2.5V)
VDDT(3.3V)
VSS(2.5GND)
VSSL(2.5GND)
VSSR(2.5GND)
VDD(2.5V)
VDDX(2.5V)
GND
NC
CE
XRDE
SDO
REQ
ELV+
ELV-
EJECT
GND
CLK
RST
DATA
BUSON
GND
GND
B.UP
LCH
AGND
RCH
GND
BUSON
GND
CLK
DATA
RST
SI
SCK
VCC
BUSON
LOF
BUSON
IN
OUT
VREF
OUT
SO
(CHASSIS)
(2/3)
MUTING
MUTING
SWITCH
MUTING CONTROL
VCC
GND
LOW-PASS
FILTER
+2.5V REGULATOR
O
V
REG
REG
O
G
C
I
+8V REGULATOR
REG
O
G
C
I
+5V REGULATOR
+3.3V REGULATOR
I
G
O
+3.3V REGULATOR
Q303,304
RESET SIGNAL
GENERATOR
VIN
NC
GND
VOUT
BATTERY
CHECK
Q301,302
ELEVATOR MOTOR DRIVE
RESET
BUS INTERFACE
(FOR SONY BUS)
JACK
FLEXIBLE
BOARD
(CHASSIS)
(ELEVATOR)
OE
CS1
WE
IO3
IO2
IO1
S-RAM
GATE SWITCH
V
G
V
G
GATE SWITCH
RESET
I2C_SDA
I2C_SCL
CD-ROM DECODER,
MP3 DECODER
WR
CE
OE
6-10.
SCHEMATIC DIAGRAM – MAIN (2/3)/SWITCH Boards –
•
See page 31 for for Waveforms.
•
See page 34 for IC Block Diagrams.
(Page 28)
(Page 30)
(Page 33)
CDX-757MX
30
30
TP207
TP208
TP209
TP210
D201
R202
C201
R210
R212
IC202
C503
C504
C502
C501
Q202
IC501
TP211
R208
R209
R203
R207
C205
C204
TP203
RV202
C202
C203
R204
R211
R206
CN201
R201
R501
R215
C206
X201
RV201
SW201
BP201
IC201
M1MA152WK-T1
100k
0.1
10k
1k
BR24C16FJ-E2
0.1
47
16V
47
16V
0.1
MUN2211T1
PCM1748E/2K
100k
470k
100k
1k
0.1
0.1
10k
0.1
0.1
0
100k
100k
6P
100k
220
1k
0.1
12.288MHz
47k
HD6432238R
WN21TEIV
B1
B2
B3
B4
B5
B6
C1
C3
C4
C5
C6
C7
C8
C9
CLOK
XLAT
DATA
XRST
XQOK
XWRE
TC-XRDE
XRDE
DECSTBY
DECXRST
SCLK
SENS
FWD
REV
FWD
REV
SW
SCL
SDA
DECINT
SI
SO
EJECT
RST
SQCK
SQSO
SCK
BUSON
BUCHK
SCOR
LIM
MUTE
ML
MC
MD
ML
MC
MD
BCK
DATA
LRCK
GFS
FOK
GRSCOR
LOAD
SAVE
EVON
CDON
SO
S1
S2
VSS
SDA
SCL
VSS
VCC
LRCK
DATA
BCK
VDD
VOUTR AGND
VOUTL
NC
NC
DECXRST
DECSTBY
SCLK
SENS
XRST
SQCK
SQSO
XQOK
XRDE
XWRE
D
EC
IN
T
SCL
SDA
MUTE
BUSON
SCLK
SI
SO
NC
CDON
EVON
TEST
C
FSEL
TEXTSEL
ESP
S
EL
MD2
MD1
MD0
VCC
PCRX
PCTX
EECLK
NC
A
VC
C
AVSS
EHS
M
C
K
NC
R/RW_SEL
NC
FO
K
G
FS
C
D
CL
K
CDLA
T
CD
D
A
T
ELVF
ELVR
LOADF
LOADR
V
SS
NC
NC
NC
XTA
L
EXTA
L
FW
E
NC
N
M
I
S
TBY
VS
S
EJECT
M
G
LK
-S
W
BUCHK
NC
SCOR
GRSCOR
O
S
C2
O
S
C
1
FL_BO
O
T
NC
F
L_W
N
C
N
C
C
V
CC
D
O
U
T_SE
L
NCI
N
C
I
EEDATA
Vref
N
C
M
AG
NC
-SW
DGND
VCC
VCOM
SCK
ML
MC
MD
ZEROL
ZEROR
D
AC-D
A
TA
D
AC
-C
LK
D
A
C
-LA
T
NC
NC
NCI
NCI
NCI
NCI
NCI
NCI
GND
+B
FL_BOOT
PCRX
PCTX
RESET
(3/3)
ELEVATOR HEIGHT
SENSOR
RV202
SW201
MAGAZINE
DETECT
EEPROM
SYSTEM CONTROLLER
R
ES
SINGLE
LIM_SW
SAVE_SW
LOAD_SW
DIGITAL FILTER,
D/A CONVERTER
(FOR PC)
CD-ROM/
RW SELECT
SWITCH
6-11.
SCHEMATIC DIAGRAM – MAIN Board (3/3) –
•
See page 31 for for Waveforms.
•
See page 34 for IC Block Diagram.
(Page 28)
(Page 29)
CDX-757MX
31
31
5 Vp-p
59.1 ns
4.5 Vp-p
22.7
µ
s
• Waveforms
– RF Board –
– RF Board –
1
IC101
qh
(FE)
2
IC101
qk
(TE)
3
IC101
qg
(RFAC)
– MAIN Board –
1
IC101
rd
(MDP)
2
IC101
ih
(LRCK),
ij
(LRCKI)
3
IC101
o;
(BCK),
oz
(BCKI)
4
IC101
of
(XTAO)
5
IC601
qd
(BCKIA)
6
IC601
qf
(LRCKIA)
7
IC601
ys
(X1)
8
IC201
yg
(EXTAL)
9
IC501
1
(BCK)
0
IC501
3
(LRCK)
qa
IC501
qh
(SCK)
Approx.
100 mVp-p
100 mVp-p
Approx.
250 mVp-p
250 mVp-p
1.4
±
0.3
Vp-p
2 Vp-p
3.8
µ
s
4.5 Vp-p
472 ns
5 Vp-p
59.1 ns
4.5 Vp-p
472 ns
4.5 Vp-p
22.7
µ
s
5 Vp-p
59.1 ns
2.2 Vp-p
81.4 ns
4.5 Vp-p
472 ns
4.5 Vp-p
22.7
µ
s
CDX-757MX
32
32
6-12.
PRINTED WIRING BOARDS – JACK Board –
•
See page 23 for Circuit Boards Location.
JACK BOARD
(COMPONENT SIDE)
1-684-650-
11
(11)
JACK FLEXIBLE BOARD
MAIN BOARD
CN301
B
JACK BOARD
(CONDUCTOR SIDE)
1-684-650-
11
(11)
4
2
1
5
3
6
7
8
5
4
8
7
6
2
1
3
CONTROL
(FOR SONY BUS)
AUDIO OUT
L
R
CN901
(Page 26)
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