Sony 757MX Support Question
Sony 757MX Support Question
Find answers below for this question about Sony 757MX - Xplod CDX CD.Need a Sony 757MX manual? We have 1 online manual for this item!
Question posted by dbach on December 24th, 2012
Broken 757mx
My 757MX won't work and I can't find and answer to fix it. Will another Sony 10 CD changer work in it's place?
Current Answers
Related Sony 757MX Manual Pages
Service Manual - Page 1
... dB
Outputs
BUS control output (8 pins)
Analog audio output (RCA pin)
Current drain
800 mA (during CD playback)
800 mA (during loading or ejecting
a disc)
Operating temperature -10°C to +55°C (14°F to change without notice.
9-873-618-02 2002H0500-1 C 2002.08
Sony Corporation
e Vehicle Company Published by Sony Engineering Corporation
COMPACT DISC CHANGER
Service Manual - Page 2
...Remove the CASE (LOWER. Lever (ML.S)
A
Magazine assy
OPTICAL PICK-UP BLOCK
SEMI-FIXED RESISTOR
CAUTION Use of controls or adjustments or performance of procedures other than 30 cm away...SONY.
2 Never turn on the same conductor of the
circuit board (within the
magazine. T) beforehand 1) Press the lever (ML.S) assy in the direction of the soldering iron around 270 ˚C dur-
CDX-757MX...
Service Manual - Page 3
... session is audio CD data: Non-music data information (track number, time, etc.) is played: - Example: At 64 kbytes, it is about 1/10 of its ...CDX-757MX
TEST DISC This set can playback a CD-R, CD-RW for audio use the following test disc.
When an MP3 file is
not displayed accurately during fast-forward/reverse. E).
• Some CD-Rs/CD-RWs (depending on the audio CD player. Audio CD...
Service Manual - Page 4
... to an uppercase character, and any restriction about 10 audio discs or 160 fourminute songs into folders to private...other characters are displayed as a CD changer.
WAVE files cannot be played back on your computer, CD-R/RW drive, writing software, or ...data CD with folder levels. CDX-757MX
FAQ-
Pay attention to start playback of a bit rate other compressed formats,
such as a CD ...
Service Manual - Page 20
... 1856
CLOCK
XTAI 1953
GENERATOR XTAO 1954
X101 16.9344MHz
CD-ROM/RW SELECT SWITCH
Q202
D201
90 R/RW SEL 40 GRSCOR 5 GFS 10 CDDAT 8 CDCLK 9 CDLAT 7 SENS 84 SQSO 85 ...DQ4 2, 3, 24, 25
10 E 11 F
AUTOMATIC POWER CONTROL Q101
TRACKING ERROR AMP
TE 18 TE
RW/ROM SW 12
LD
PD
1
APC AMP
2
27 VC
DVC 14
A0 -
BLOCK DIAGRAM - SERVO Section -
CDX-757MX
SECTION 6 DIAGRAMS
6-1. A10...
Service Manual - Page 22
... 91
RV201 ELEVATOR HEIGHT
(ADDRESS)
RV202 ELEVATOR HEIGHT
SENSOR
DRIVER +8V
+8V REGULATOR
IC304
CD-ROM/MP3 DECODER (IC601) B+
BATTERY CHECK Q301, 302
+2.5V REGULATOR
IC603
SW801
D306
SERVO... +3.3V
+3.3V REGULATOR
IC306
SERVO +5V
RESET SIGNAL GENERATOR
IC303
BUS INTERFACE (FOR SONY BUS)
IC302
VCC 14
SO 10 9 SI 11 SCK 1 BUSON OUT
BUSON OUT 13
DATA 6
CLK 4 LOF 12 BUSON ...
Service Manual - Page 23
... • All resistors are indicated. J : CD PLAY
• Circuit Boards Location JACK board
SWITCH board LSW board
CDX-757MX
MAIN board RF board
23
23
Voltage variations may...) Parts face side: (Component Side)
Parts on the pattern face side seen from CD changer controller. • Voltages and waveforms are not indicated except for safety. 6-4. Voltage ... impedance 10 MΩ).
Service Manual - Page 29
... 100 16V
D303 MM3Z18VST1
D301 RB481YT2R C9
D302 MM3Z18VST1 C305 0.001 MUTE CDON
CDX-757MX
6-10. MAIN (2/3)/SWITCH Boards - • See page 31 for for Waveforms. ...BUSON
BUSON
IN
OUT VCC
BUSON OUT
BUS INTERFACE (FOR SONY BUS)
TP321 BP301 TP322 BP302
TP323 TP324
C306 0.0047
... VDDT(3.3V) SDO AD3 AD4 SDI0 BCKIA LRCKIA AD5 CE
CD-ROM DECODER, MP3 DECODER
IC601 CXD9684R-004
C615 0.1
RB601 ...
Service Manual - Page 30
...SCL SDA EEDATA SCLK SI SO
R209 470k
R208 100k
SW201 MAGAZINE
DETECT
LIM SAVE LOAD
REV FWD
BUCHK BUSON
BP201
R215 1k
Q202 MUN2211T1
CD-ROM/
RW SELECT
SWITCH
SQCK SQSO
SCL SDA
SCK SI SO
R212 R210
1k
10k
DECINT
IC202 BR24C16FJ-E2
SDA SCL VSS VCC
VSS ...VDD ZEROL
VCC ZEROR
VOUTL VCOM
VOUTR AGND
C1 C4 C3
ML MC MD
C7 C6 C8 C9
(Page 29)
C5
30
30 SCHEMATIC DIAGRAM - CDX-757MX
6-11.
Service Manual - Page 32
JACK BOARD (COMPONENT SIDE)
JACK BOARD (CONDUCTOR SIDE)
1-684-650-
11 (11)
JACK FLEXIBLE BOARD
B
MAIN BOARD CN301
(Page 26)
6 8
3 5 1
7 2 4
CONTROL (FOR SONY BUS)
654 87
321
CN901
R AUDIO OUT
L
11 1-684-650- (11)
32
32 CDX-757MX
6-12.
PRINTED WIRING BOARDS - JACK Board - • See page 23 for Circuit Boards Location.
Service Manual - Page 34
... VCC 21 CEI 20 CE
19 TE BAL
E 10
GM
F 11
GM
SW 12 DVCC 13
APC-OFF (Hi-Z)
RW/ROM (H/L)
B
DVC
D
DVC 14
A
C
RFAC 15
- +
VC RW/ROM RW/ROM
VOFST
-
+
-
+
DVC VC
RW/ROM
18 TE
17 FEI 16 FE
34 CDX-757MX
• IC Block Diagrams -
B
+
C D DVC
- +
DVC VCC
30...
Service Manual - Page 38
I -BUS
GENERAL INPUT PORT
PROG. CDX-757MX
IC601 CXD9684R-004
AD11 AD12 CKS TESTP VSSR VRAR RO VDAR VDAL LO ...53 54
55 56 57 58 59 60 61 62 63 64
16 CE 15 AD5 14 LRCKIA 13 BCKIA 12 SDI0 11 AD4 10 AD3 9 SDO 8 VDDT 7 AD2 6 MICK 5 MIDIO 4 AD1 3 AD0 2 MIMD 1 RESET
IO2 IO3 IO4 VDD ...
PROM 4kx2+2k =10k WORD
PROGRAM CONTROL
40 BIT
IINSTRUCTION DECODER
VCO
TIMING GENERATOR
AUDIO I/F
MICROCOM.
Service Manual - Page 39
...10...mode setting terminal "L": test mode Not used - CDX-757MX
6-14. IC PIN FUNCTION DESCRIPTION
• MAIN...CD text mode setting terminal "L": CD text on (fixed at "L" in this set) I Custom file on/off setting terminal "L": custom file on (fixed at "L" in this set) I Input terminal for digital out on/off setting "L": digital out on Not used I Magazine detect switch input terminal Not used O Audio...
Service Manual - Page 40
...fixed at "L")
I
System reset signal input from the SONY bus interface "L": bus on /off control signal input from the SONY bus interface and reset signal generator "L": reset For several hundreds msec. Power supply terminal (+3.3V)
I /O
Description
- CDX-757MX... output to the DSP O Not used
O CD-ROM/RW selection signal output "L": CD-RW, "H": CD-ROM
I Bus on I Battery detection signal...
Service Manual - Page 46
... CHIP
1uF 0.1uF 0.1uF 0.1uF 0.1uF
10% 6.3V 25V 25V 25V 25V
CN901 1-779-077-51 PLUG, CONNECTOR (CONTROL, AUDIO OUT) CNJ901 1-778-775-21 CONNECTOR, FPC...COILS
uH: µH
The components identified by reference number, please include the board. Ref.
Part No.
CDX-757MX JACK LSW MAIN
SECTION 8 ELECTRICAL PARTS LIST
NOTE: • Due to standardization, replacements in the
parts ...
Service Manual - Page 51
... due to ground in µF unless otherwise noted. J : CD PLAY
2 Parts on the parts face side seen from the parts...10 MΩ). Note on Schematic Diagram: • All capacitors are dc with respect to normal production tolerances. • Waveforms are taken with regulated dc power supply from CD changer controller. • Voltages and waveforms are in CD play conditions. CDX-757MX...
Service Manual - Page 53
...
D303 MM3Z18VST1
D301 RB481YT2R C9
D302 MM3Z18VST1 C305 0.001 MUTE CDON
CDX-757MX
SCHEMATIC DIAGRAM - MAIN (2/3)/SWITCH Boards - A1
R115 100 A2
... IO2 IO1
A0 A1 A2 A3
C604 10 16V
C614 R613
0.1
1k
SCL TC-XRDE...
OUT VCC
BUSON OUT
BUS INTERFACE (FOR SONY BUS)
TP321 BP301 TP322 BP302
TP323 TP324
C306... SDO AD3 AD4 SDI0 BCKIA LRCKIA AD5 CE
CD-ROM DECODER, MP3 DECODER
IC601 CXD9684R-004
C615 ...
Service Manual - Page 54
... SO
R209 470k
R208 100k
SW201 MAGAZINE
DETECT
LIM SAVE LOAD
REV FWD
BUCHK BUSON
BP201
R215 1k
Q202 MUN2211T1
CD-ROM/
RW SELECT
SWITCH
SQCK SQSO
SCL SDA
SCK SI SO
R212 R210
1k
10k
DECINT
IC202 BR24C16FJ-E2
SDA...PCM1748E/2K
BCK
SCK
DATA
ML
LRCK
MC
DGND
MD
VDD ZEROL
VCC ZEROR
VOUTL VCOM
VOUTR AGND
CDX-757MX
C1 C4 C3
ML MC MD
C7 C6 C8 C9
(Page 4)
C5
5
5 SCHEMATIC DIAGRAM -
Service Manual - Page 57
...
C902 C904
0.1
100p
D901
STZ6.8N -T146
FB901 FB902 FB903
RST NC
B.UP CLK
DATA BUSON
GND SIRCS
R
L
CONTROL (FOR SONY BUS)
CN901
R AUDIO OUT
L
8
8
6 8
3 5 1
7 2 4
CONTROL (FOR SONY BUS)
654 87
321
CN901
R AUDIO OUT
L
12 1-684-650- (12) JACK BOARD (COMPONENT SIDE)
JACK BOARD (CONDUCTOR SIDE)
1-684-650-
12 (12)
JACK FLEXIBLE BOARD...
Service Manual - Page 59
...uPC. . : µPC. . Ref. No. C113 C114
Part No. CDX-757MX
JACK MAIN
• ELECTRICAL PARTS LIST
NOTE: • Due to standardization, replacements ...11 CERAMIC CHIP 1-164-156-11 CERAMIC CHIP
1uF 220PF 220PF 0.1uF 0.1uF
10% 6.3V 10% 50V 10% 50V 10% 16V
25V
< CONNECTOR >
CN901 1-779-077-51 PLUG, CONNECTOR (CONTROL, AUDIO OUT) CNJ901 1-778-775-21 CONNECTOR, FPC 13P
< DIODE >
D901 8-719...
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