Sony Car Video System MDX 61 User Manual
MDX-61  
US Model  
Canadian Model  
AEP Model  
SERVICE MANUAL  
Ver 1.1 2001.08  
UK Model  
E Model  
This set is automatic electrical adjustment.  
Model Name Using Similar Mechanism  
Base Mechanism Type  
MDX-60  
MG-798-133  
KMS-193C/J2N  
Optical Pick-Up Name  
SPECIFICATIONS  
System  
Laser Diode Properties  
Material: GaAlAs  
Mini disc digital audio system  
Current drain  
300 mA (MD playback)  
600 mA (during loading or ejecting a disc)  
Wavelength: 780nm  
Emission Duration: Continuous  
Dimensions Approx. 176×83.5×125 mm  
(7×33/8×5 in.) (w/h/d)  
Laser out-put Power: Less than 44.6µW*  
* This output is the value measured at a distance  
of 200 mm from the objective lens surface on  
the Optical Pick-up Block.  
not incl. projecting parts and controls  
Approx. 1.1 kg (2 lb. 7 oz.)  
Power requirement  
12 V DC car battery  
(negative ground)  
Supplied accessories  
Mass  
Frequency response  
20–20,000 Hz  
Wow and flutter  
Below measurable limit  
Signal-to-noise ratio  
Mounting hard ware (1 set)  
Bus cable 5.5 m (1)  
RCA pin cord 5.5 m (1)  
95 dB  
Output  
Bus control output (8 PIN)  
Analog audio output (RCA PIN)  
• U.S. and foreign patents licensed from Dolby Laboratories  
Licensing Corporation.  
• Design and specifications subject to change without notice.  
– Continued on next page –  
MINIDISC CHANGER  
9-925-528-12  
Sony Corporation  
2001H0500-1  
e Vehicle Company  
C 2001.8  
Shinagawa Tec Service Manual Production Group  
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SECTION 1  
GENERAL  
This section is extracted  
from instruction manual.  
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SECTION 2  
DISASSEMBLY  
Note: Follow the disassembly procedure in the numerical order given.  
FRONT PANEL ASS’Y, CASE (UPPER)  
5 case (upper)  
1 two screws (B2.6 × 6)  
1 two screws  
(B2.6 × 6)  
2 claw  
3 front panel ass’y  
2 claw  
4 connector (CN620)  
1 two screws (B2.6 × 8)  
REAR PANEL ASS’Y, MD SECTION  
2 rear panel ass’y  
6 two springs  
4 two dampers  
7
3 flexible board  
(CN800)  
4 two dampers  
6 two springs  
5 two springs  
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CHASSIS (GEAR) ASS’Y, MAIN BOARD  
1 three screws (P1.7 × 1.8)  
2 chassis (gear) ass’y  
3 special flat screw (1.7 × 3)  
4 flexible board (CN500)  
5 connector (CN602)  
3 two special flat screws  
(1.7 × 3)  
6 flexible board (CN610)  
7 three connectors  
(CN603, 700, 701)  
8 MAIN board  
CHASSIS (BASE) ASS’Y, CHASSIS (OP) ASS’Y  
3 worm wheel (LD)  
5 Pull up the chassis (OP) ass’y  
in the arrow A direction.  
1 four screws (P1.7 × 1.8)  
A
1 screw (P1.7 × 1.8)  
1 screw (P1.7 × 1.8)  
2 feed screw (ELV) ass’y  
4 chassis (base) ass’y  
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SERVO BOARD  
2 three special head screws (M1.7 × 2)  
3 flexible board (CN100)  
5 connector (CN301)  
6 servo board  
1 flexible board (CN200)  
4 flexible board (CN400)  
OPTICAL PICK-UP (KMS-193C/J2N)  
1 two screw (K1.7 × 3.5)  
2 optical pick-up  
(KMS-193C/J2N)  
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SECTION 3  
DIAGRAMS  
• Circuit Boards Location  
SW board  
POWER board  
MAIN board  
SERVO board  
LAMP board  
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MDX-61  
3-1. BLOCK DIAGRAM  
OPTICAL PICK-UP BLOCK  
(KMS-193C/J2N)  
IC100  
RF AMP  
IC600  
SYSTEM CONTROLLER  
IC900  
BUS INTERFACE  
IC601  
RESET  
DETECTOR  
CNP1  
(BUS CONTROL CONNECTOR)  
RESET  
SW  
XRST  
XLAT  
SWDT  
SCLK  
59  
58  
45  
51  
12  
7
4
3
17  
18  
19  
20  
44  
XRST  
SWDT  
SCLK  
XLAT  
MD-RST  
MD-LAT  
MD-SO  
F
XRST  
30  
48  
50  
49  
61  
8
7
4
6
F
RST  
UNICKI  
UNISO  
UNISI  
2
C
B
SWDT  
SCLK  
XLAT  
RFO  
1
4
2
5
3
6
10  
11  
9
IC500  
8
7
MD-CKO  
SHOCK PROOF MEMORY CONTROLLER  
ATRAC ENCODER/DECODER  
IC200  
C B  
D A  
9
48  
J
DIGITAL SIGNAL PROCESSOR  
I
J
IC602  
DIGITAL SERVO SIGNAL PROCESSOR,  
EFM/ACIRC ENCODER/DECODER  
LEVEL SHIFT  
8
4
5
3
2
5
A
D
E
I
43  
41  
26  
29  
33  
34  
35  
38  
39  
AGCI  
RF  
10  
13  
4
3
XLAT  
SCK  
58  
77  
76  
82  
68  
67  
65  
64  
10  
9
XLAT  
SCLK  
SWDT  
XRST  
SENS  
SRDT  
SQSY  
FOK  
RFI  
XLAT  
SCLK  
SWDT  
XRST  
SENS  
SRDT  
SQSY  
FOK  
SENS  
SRDT  
SQSY  
FOK  
3
5
4
6
54  
52  
62  
64  
55  
SENS  
MD-SI  
SQSY  
FOK  
6
E
TE  
TE  
2
SW  
BUS-ON  
2
SWDT  
XRST  
SENS  
SRDT  
47  
8
SE  
SE  
17  
6
16  
12  
11  
14  
2
ADFG  
AUX  
FE  
ADFG  
AUX1  
FE  
9
8
5
BATTERY DET  
Q920, 921  
60  
67  
BU-IN  
AUTOMATIC  
POWER CONTROL  
Q100  
BOTM  
PEAK  
BOTM  
PEAK  
11  
1
10  
2
14  
10  
AAPC  
PD  
LD  
PD  
R-CH  
(R)  
30  
29  
3
93  
DTO  
DATA  
9
X INT  
CC-XINT  
A-MUT  
DTI  
MUTING  
CONTROL  
SWITCH  
Q800  
97  
92  
91  
90  
87  
DFCT  
C2PO  
BCK  
MIN  
MUTING  
SWITCH  
37  
66  
ABCD  
ABCD  
AUX2  
MUTING  
31  
32  
33  
35  
C2PO  
BCK  
LINE  
OUTPUT  
Q810, 820  
Q560, 561  
IC550  
D/A CONVERTER  
LRCK  
XTAI  
LRCK  
SPO  
IC800  
LINE AMP  
PEAK HOLD  
Q200  
78  
84  
SERIAL  
INPUT  
41  
44  
1
3
LPF  
8
5
3
D OUT  
ALRCK  
DAC  
DAC  
+
–
1
2
(L)  
IC201  
INVERTER  
36  
37  
OSC O  
OSCI  
LPF  
R-CH  
X500  
45.1584MHz  
11  
4
2
APC REF  
LDDR  
+3.3V  
+3.3V REG.  
Q931  
4
(D/A CONV)  
IC501  
RAM  
13  
40  
10  
HOME MDMON  
S901  
(HOME POSITION DET)  
AO0 55  
9
ı
A0  
+9V  
+9V REG.  
Q940, 941  
ı
52  
12  
·
(LINE AMP)  
Q500, 501  
SWITCHING  
RV901  
ELEVATOR HIGHTER  
POSITION DET(EHS)  
·
EHS  
56  
ı
14  
ı
8
6
5
87  
FFDR  
+5V  
AO8 60  
18 A8  
(PULL UP)  
+6V REG.  
Q910, 911  
FOCUS  
+5V  
D0 69  
1
·
D0  
11  
29  
89  
86  
FRDR  
TFDR  
(SYSTEM CONTROLLER)  
Q950  
B+ SWITCH  
·
56  
LIMIT-SW  
68  
2
·
S400  
(LIMIT DET)  
·
70  
+5V  
+5V REG.  
Q952  
IC950  
24  
·
31  
32  
·
(MOTOR DRIVE)  
REGULATOR CONTROL  
D4 71  
25 D3  
TRACKING  
14 DCS1  
ı
61  
62  
65  
66  
67  
22  
23  
5
4
3
XOE  
XCAS  
A09  
XRAS  
XWE  
DE  
CAS  
AB  
RAS  
WE  
DCS6  
19  
14  
13  
26  
22  
85  
93  
TRDR  
SPRD  
ERROR  
AMP  
S611-616  
(EJECT)  
COMP  
COMP  
OUT  
OUT  
10  
7
20  
M901  
SPINDLE  
57  
DOOR-SW  
M
M
S620  
DOOR OPEN  
/CLOSE DET  
24  
13  
19  
18  
94  
91  
SPFD  
4
3
ERROR  
AMP  
SRDR  
11  
12  
M902  
SLED  
LES  
SES  
+3.3V REG.  
Q953  
+5V REG.  
Q954  
+3.3V  
S902  
(LES)  
15  
17  
92  
SFDR  
PL620  
LAMP DRIVE  
Q600, 601  
ILLUMINATION  
LAMP  
IC300  
SLED/SPINDLE MOTOR DRIVE,  
FOCUS/TRACKING COIL DRIVE  
S903  
(SES)  
IC700  
ELEVATOR MOTOR DRIVE  
21  
63  
32  
ILL ON  
9
2
4
6
7
M1  
M904  
(ELEVATOR)  
STR-SW  
XTAL  
M
S600  
(STOP)  
(SHASSIS)  
7
M1  
• R-CH : Same as L-ch  
• SIGNAL PATH  
: PLAY  
X600  
10MHz  
IC701  
LOADING MOTOR DRIVE  
31  
34  
EXTAL  
TX  
9
2
4
8
9
M2  
M2  
M903  
(LOADING)  
X601  
32.768kHz  
M
7
35  
TEX  
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