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MEX-5DI
SERVICE MANUAL
Ver 1.0 2002. 04
• The tuner and CD sections have no adjustments.
SPECIFICATIONS
US Model
Canadian Model
AEP Model
UK Model
E Model
Model Name Using Similar Mechanism CDX-MP70
CD Drive Mechanism Type MG-550T-156
Optical Pick-up Name DAX-23E
CD player section
Signal-to-noise ratio 95 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
MS section
Signal-to-noise ratio 90 dB
Frequency response 10 – 20,000 Hz
Tuner section
FM
Tuning range 87.5 – 107.9 MHz (US, Canadian Model)
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity 8 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 66 dB (stereo),
Harmonic distortion at 1 kHz
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
AM (US, Canadian Model)
Tuning range 530 – 1,710 kHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity 30 µV
MW/LW (AEP, UK, E Model)
Tuning range MW : 531 – 1,602 kHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity MW : 30 µV
87.5 – 108.0 MHz (AEP, UK, E Model)
72 dB (mono)
0.6% (stereo),
0.3% (mono)
LW : 153 – 279 kHz
LW : 40 µV
MG-MS/FM/MW/LW COMPACT DISC PLAYER
General
Outputs Audio outputs (front/rear)
Subwoofer output (mono)
Power antenna relay control terminal
Power amplifier control terminal
Inputs Telephone ATT control terminal
Illumination control terminal
BUS control input terminal
BUS audio input/AUX IN terminal
Antenna input terminal
Tone controls Bass ±8 dB at 100 Hz
Treble ±8 dB at 10 kHz
Loudness +8 dB at 100 Hz
+2 dB at 10 kHz
Power requirements 12 V DC car battery
(negative ground)
Dimensions Approx. 178 × 50 × 178 mm
(7 1/8 × 2 × 7 1/8 in.) (w/h/d)
Mounting dimensions Approx. 182 × 53 × 157 mm
(7 1/4 × 2 1/8 × 6 1/4 in.) (w/h/d)
– Continued on next page –
MG-MS/FM/AM COMPACT DISC PLAYER
US, Canadian Model
AEP, UK, E Model
9-874-009-01
2002D0400-1
© 2002. 04
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
1
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MEX-5DI
4-3. BLOCK DIAGRAM — CD SECTION —
OPTICAL
PICK-UP
BLOCK
M2
(SLED)
M1
(SPINDLE)
RF
A
B
E
F
LD
PD
VC
F+
F-
T+
T-
3
I-V
AMP
IC3
1
3
7
5
14
12
8
10
B+ (SERVO+3.3V)
AUTO POWER
CONTROL
Q1
2V REG
IC7
(RF+5V)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
OUT2F FFDR
27 29
OUT2R
25
OUT1F
21 19
OUT1R
23
M
M
OUT3F
12 14
OUT3R
10
OUT4F
6 4
OUT4R
8
VC
B+
6
7
8
9
10
11
27
13
1
2
IC8
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
PSB
16 3
EQ
IN
A
B
C
D
VC
DVCC
LD
PD
A-D
VCA
GAIN
BAL
FRDR
TFDR
TRDR
SFDR
SRDR
IN4F
IN4R
VC
RF AMP
IC2
EQ
RFDC
AMP
FOCUS
ERROR
AMP
TRACKING
ERROR
AMP
VC
APC
AMP
30
18
15
MDS
SPINDLE MOTOR
CONTROL
IC9
RFAC
RFDC
DC OFST
TE BAL
VCC
DVC
RFSW
MDP
15
28
30
FE
16
TE
18
19
22
14
12
C176
MOTOR
CONTROL
Q3
OFFSET
CONTROL
Q2
B+
(RF+5V)
APC MODE
CONTROL
Q5,6
X2
12.288MHz
DIGITAL SERVO/
DIGITAL SIGNAL PROCESSOR
RFAC
71
RFDC
58
63 VC
FE
62
SE
61
TE
60
FFDR
50
FRDR
51
TFDR
48
TRDR
49
SFDR
46
SRDR
47
42 C176
MDP
43
MDS
44
35 27 26 25 24 23 21 17 15 14 12 8 81 78
20 7 8 9 11 10 16 38 85 84 17 6 19 40
TE BAL ADJ
43
21
APC2
22 APC1
23 SPST
63 XTAL
65 XTXAL
SIGNAL
PROCESSOR
OP AMP,
ADC
SERVO BLOCK
DIGITAL
FOK
SCLK
SENS
CLOK
XLAT
FOK
SCLK
SENS
CD LAT
CD CLK
PSB
30 68 31 32 47 48 87 88 86 15 70 76 77 78 91 92
CN7
IC1
DAC
VIBRATION
MEMORY
CONTROLLER/
COMPRESSION
EXPANDER
CLV
SDTO
XRST
SCOR
XQCK
SQSO
XQOK
XWRE
XRST
SQCK
SCOR
SQSO
XQOK
PCRX
PCRX
KEY IN0
KEY IN0
KEY IN1
XWRE
KEY IN1
LED CLK
LED CLK
CD DAT
FL BOOT
PCTX
FL BOOT
PCTX
12345678
GFS
WDCK
GFS
GRSCOR
LED LAT
LED DATA
LED LAT
LED DATA
LPF
CD SYSTEM CONTROL
LOUT1
LOUT2
PCMD
PCMDI
LRCK
D0-3
A0-10
MUTE
A-ATT
BCK
XRAS
XWE
XCAS
XOE
XTAI
XTAO
XRDE
CD ON
CD ON
97
104
88
89
86
90
1-3,5-7
113
114
119
120
93
94
9
IC11
UNI SO
115-118
106-109,111
4 81 80
UNI SO
UNI SI
UNI SLK
UNI SI
8-12
5
4
23
22
X1
16.934MHz
SCL
XRDE
UNI CK
BUS ON
BU CHK74LINK OFF
NBUS
BU IN
DRAM
IC6
DQ1-4
2,3,24,25
A0-10
15-19,21
RAS
WE
CAS
OE
DECXRST
SDA
DECSTBY
LINK OFF
SRAM
IC4
DQ1-3
IO4-8
A0-16
CSI
OE
WE
BUFF
IC15
BUFF
IC10
2
3
72
DECINT
94
NC
59
RSTX
CD +5V REG
8.5V RF 5V
Q203,205,207
SDIO
12
SDD
9
LRCKIA
14
BCKIA
13
46,47
49-51
LEVEL
SHIFT
IC13
53-55
42,44,45
15,31-34
36-38,41
3,4,7,10,11
CE
16
OE
17
WR
43
62
XI
60
CKI.ACKO
MICK
6
MIDIO
5
1
RESET
19
STANBY
39
PO7
2.5V REG
IC12
21-23
25-29
1-4,7
10-20,31
30
32
5
BU+3V B+(REF+2.5V)
CD ON
AUDIO INTERFACE
IC5
AUDIO
I/F
PROM
SRAM
I/F
X BUS
MICRO
COMP.
I/F
BUS
SWITCH
CD ON
CD +3.3V REG
8.5V SERVO+3. 5V
Q202,204,206
Y BUS
XRAM
YRAM
CROM
ERAM
A-ATT
LINK OFF
CD ON
UNI SO
UNI SI
UNI CLK
BUS ON
BU IN
SW4
B
SW1
OPEN/CLOSE
MAC
ALU
SW2
(OPEN END )
SW3
(CLOSE END)
IC14
CD +3.3V REG
BU+5V BU+3V
• Signal path
: CD
IC202
L-CH
R-CH
A-ATT
EJECT
LINK OFF
CD ON
UNI SO
UNI SI
UNI CLK
BUS ON
BU IN
SYS RESET
TUNER
A
SECTION
(Page 25)
DISPLAY
B
SECTION
(Page 26)
SYSTEM CONTROL
IC501 (1/3)
58
OPEN END
59
CLOSE END
2424
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4-4. BLOCK DIAGRAM — TUNER SECTION —
MEX-5DI
CN301-1,-2
BUS AUDIO
IN/AUX IN
DISPLAY
SECTION
(Page 26)
C
-1
L
-2
R
MS-L
MS-R
CN101
(ANTENNA)
R-CH
R-CH
1
2
BUS-GND SW
Q352
AM-ANT
FM-ANT
EEPROM
17 18
SDA
SCL
TUNER UNIT
TUX201
SDA
SCL
12 13 14
AM DET
MPX
S-METER9RDS DET
10
8
X101
4.332MHz
FM AMP
Q141
16
4
5
AEP,UK,E MODEL
6
RDS DECODER
IC101
FM DET
OSCO
OSCI
NOISE
IC102
DAVN
SDA
SCL
MS AMP
DET
IC310
8
9
10
ADSO1
ADSO2
ADSO SW
IC309
4
AUX-L
SCL
MPIN
LCH
ADSO
IC302
LEVEL
SM
43
MD-L AC IN L
9
AM/MPX2
12
MPX1
40
CD-L
7
Q142
38 33
A OUT L
SDA
19 20 14 13 23 2117
ELECTRONIC VOLUME
IC301
OUT SW
OUT LF
OUT LR
SAOUT
SACLK
24
28
27
MUTE
CONTROL
Q363,364
MUTE
Q351
MUTE
Q451
MUTE
Q453
TEL MUTE
Q406
ILLUMI CHECK
Q404
R-CH
R-CH
TEL MUTE
-3
CN301-3,-4
L
SUB OUT
-4
R
-1
L
CN451-1,-2
-2
-3
-4
SA CLK
SA OUT
MS MUTE
CN401
ILL
FRONT
R
AUDIO
OUT
L
CN451-3,-4
REAR
R
DISPLAY
D
SECTION
(Page 26)
14
15
CD
SECTION
A
(Page 24)
• Signal path
: CD
: FM
: AM
• R-ch is omitted due to
same as L-ch.
L-CH
R-CH
A-ATT
EJECT
R-CH
MUTE
CONTROL
Q530
M
M601
(OPEN/CLOSE)
ACC CHECK
Q405
X502
3.68MHz
MOTOR
DRIVE
IC703
6
3
4
S601
(OPEN)
S602
(CLOSE)
I-DET
IC701(1/2)
9
7
98
97
49
100
99
MOTOR+
MOTOR-
FP IDET
OPEN SW
CLOSE SW
32.768kHz
75
DAVN
XIA
73 74 72 80 46
X501
XO
NS MASK
XOA
BU5V
92 93
56
10 11 70 71 53 31 6
XI
T.ROM SCL
T.ROM SDA
SYSTEM CONTROL
IC501 (2/3)
KEY ACK
AD ON
Q504
32
50
MNI AU
QUALITY
AD ON
S200-208,210
5
SDSO2
KEY
4
ADSO1
KEY INO
I2C-SCL
I2C-SDA
BATT
VSM
POWER CONTROL
15
ATT
BEEP
E VOL ATT
FAN
46
FAM MOTOR
Q871-873
BEEP DRIVE
Q901
BZ901
BUZZER
TEL ATT
ILL IN
ACC IN
TEST IN
POW ON
TUN ON
DDC-ON
16
95
81
84
83
115
57
FAN1
TU+8.5V
AUDIO+8.5V
8.5V
BATT
TUNER POWER
CONTROL
Q861,862
AUDIO POWER
CONTROL
Q863,864
AMP POWER
CONTROL
Q401 (1/2),402
ANT POWER
CONTROL
Q401 (2/2),403
REG
Q865
TU+5V
+5V
BU+5V
ACC
TEST
BATT
AMP R
ANT R
POWER
CONTROL
Q866,867
+5V REG
Q101
+5V REG
IC307
+5V REG
Q851
7
13
16
6
5
BATT
TU+8.5V
AUDIO+8.5V
BATT
25 25
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MEX-5DI
4-5. BLOCK DIAGRAM — DISPLAY SECTION —
CD ON
CD
SECTION
(Page 24)
M3
(LOADING)
LINK OFF
B
UNISI
UNI CLK
BUS ON
BU IN
SYS RESET
UNISO
D218
IR
RECEIVE
IC206
B+ (BATT)
(BUS CONTROL IN)
8
11
6
3
CN601
1
2
3
M
BUFFER
IC201
4MHz
3 4
SIRCS
CONTROL
IC901
Q604
7
4
5
6
8
X901
BATT
CHECK
Q602
BCLK
B DATA
BUS ON
D2,4-7
9
10
12
13
4
5
1
2
179
CONTROL
BUS
Q603
S209
RESET
BU+5v
MOTOR +9V
RESET
IC502
BUS INTERFACE
2
3
4
1
IC601
RESET
BATT
CHECK
BUS
ON
LED
DRIVE
Q201
13
10
11
9
86
12
+9V REG
IC704
9
7
MOTOR
DRIVE
IC702
6
BATT
SYSTEM CONTROL
Q506
35
SHIFT
Q808
SHIFT
Q807
TH501
61
62
51
60
101
17
19
14
77
86
90
18
85
7
47
24
37
57
53
3
4
I-DET
IC701(2/2)
POWER
BATT
BATT
CONTROL
Q809,811
POWER
CONTROL
Q803,804
IC501 (3/3)
CD ON IN
T-CLOSE
T-OPEN
TR-DET
LED ON
MOTOR ON
UNISI
UNICKO
BUSON
BUIN
HSTX
RSTX
UNISO
RAM BU
SYS RST
TEMP
SIRCS
FSW SFT
DDC ON
BOOST
DC-DC CONVERTER
9
VCC
2
RT
DC-DC CONVERTER
9
VCC
2
RT
Q815
IC801
IC802
INA2
OUT2
OUT1
OUT2
OUT1
SH3 SO
SH3 SI
MS CHK
MS SET
DP RST
DP SW
MSTPW
TEMP
MS LED
14
10
7
10
7
13
12
2
3
118
117
SECTION
(Page 25)
116
48
36
Q810,812
Q801,802
Q813,814
Q805,806
D
TUNER
TEMP DET
Q501-503
ON/OFF
DRIVE
ON/OFF
DRIVE
ON/OFF
DRIVE
ON/OFF
DRIVE
RXD
IC913
TXD
62
Q914
MS SW
Q913
Q911
SA CLK
SA OUT
MS MUTE
Q912
+9V
+3.5V
SH+3.3V
SCARLET
+3.3V
DIGITAL BOARD
POWER
CONTROL
D/A
CONV.
DSP
RGB DECODER,
RGB CONTROL
LED
DRIVE
CONTRAST
PWM
+9V
INV+9V
R.G.B
1.8V OK
1.9V OK
2.5V OK
3.3V OK
MS-L
VOLT
4-8
12-16
19-23
71
72
1
+6.5V REG
C
Q205
Q204
D201-204,208
8
R-CH
HSYNC
VSYNC
DCLK
CONTRAST
CONTROL
1 4
IC205
DIMMER
5 1 1 4
CONTROL
IC200,Q200
CHECK
IC914,915,916,918
TUNER
SECTION
(Page 25)
RGB DRIVE
IC207
REVI
30 31
+5V REG
IC201
DC-AC
CONVERTER
IC203
DIMMER
CONTROL
IC202
REVO
BRIGHT
CONTROL
1 4
IC208
+6.5V
3
4
DC-AC CONV.
CONTROL
Q201,206,207
SPR
33
LBR
34
SPL
35
LP
36
CLK
37
+3.3V REG
IC204
BRIGHT
CONTROL
IC209
R.G.B
VOUT
9 13
IC210
RV402
LCD+5V
LCD+3.3V
ON/OFF
DRIVE
Q202,203
V0
14
V3
V10
12
LCD201
COM
+15V
-15V
T201
BL201
BACK-LIGHT
2626
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MEX-5DI
4-6. CIRCUIT BOARDS LOCATION
SWITCH board
DISPLAY board
SERVO board
DIGITAL board
MAIN boar
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 Ω and 1/
specified.
•%: indicates tolerance.
f
•
• C : panel designation.
• A : B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
•Voltages are taken with a VOM (Input impedance 10 MΩ).
•Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
: internal component.
Note:
The components identified by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
supply from ACC and BATT cords.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal production tolerances.
F : FM
f : AM/MW/LW
J : CD
4
W or less unless otherwise
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
IC2
(RFAC)
qg
2
Approx. 200mVp-p
qh
(FE)
IC2
3
Approx. 600mVp-p
qk
(TE)
IC2
4
0.7Vp-p
3.3Vp-p
0V
0V
5
6
7
8
22.7µsec
IC1
474msec
IC1
16.9344MHz
IC1
(LRCK)
ih
o;
(XTAO)
of
(BCK)
3.5Vp-p
3.8Vp-p
3Vp-p
2.2Vp-p
— Main Board —
1
4.332MHz
IC101
(OSCO)
4
2
32.768kHz
IC501 uf (X0A)
3
3.68MHz
IC501 os (X0)
4
2.8Vp-p
2.2Vp-p
2.8Vp-p
3.5Vp-p
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
•
• : Pattern from the side which enables seeing.
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.
: Through hole.
(The other layer’s patterns are not indicated.)
IC1
7.6µsec
(MDP)
rd
IC11
12.288MHz
(XTXAL)
yg
4MHz
IC901 4 (XOUT)
27 27
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MEX-5DI
• Refer to page 27 for Waveforms.
4-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 40 for IC Block Diagrams.
IC B/D
IC8
C108
C109
R162
CN2
TP27
L12
M1
M2
TP29
CN3
TP31
TP33
D25 D26
CN1
TP60
TP61
TP62
TP63
TP64
TP65
TP66
TP67
TP68
TP1
TP3
TP5
TP7
C124
TP87
C123
TP88
L13
R163
R164
17
15
14
16
D
D
D
D
R1
C2
R2
C1
Q1
D9
C4
C3
C12
IC B/D
C10
IC2
C15
C13
IC B/D
R8
R96
C14
R5
R4
R3
C7
R6
R95
R20
R94 R15
R7
R9
R10
R93
C107
L8
C62
R99
C67
L1
C64
R100 R107
R161
C60
TP101
C77
TP103
D3
TP6
C19
TP16
R34
R38
C22
C21C76
C110
R157
R158
C122
L10
C121
R159
C111
R78
IC3
R160
IC7
C71
R24
C73
R28
R32
TP12
R72
R35
R97
R79
C5
C6
R11
R12
R13
R14
R16
C68
TP105
R118
IC9 C70
Q3
R156
TP102
R25
R26
R27
R29
R30
R31
C16
C17
C8
R17
R18
C9
L2
TP9
TP10
TP11
TP41
TP42
TP49
C26
TP50
TP55
R44
C25
BP1
BP2
TP15
BP3
TP19 TP20
BP4
Q5
IC B/D
R43
R74
L3
C36
TP14
R45
R41
Q6
R71
R49
C29
C27
R46
C23
C50
7
R4
R48
C28
R21
R22
51
R
C30
C31
50
R
C32
TP8
R23
R77
C47
C91
IC1
24
22
23
TP25
TP
TP21
TP
TP
TP26
D18
C74
Q2
C34
D19
TP104
C48
IC6
C45
L7
C35
D22
C43
C38
IC B/D
R61
TP69
R62
R64
R56
C40
R54
X1
C90
C37
R60
TP56
TP70
R58
R55
TP71
FB1
L11
R59
C96
FB2
R19
Note:
•Voltage is dc with respect to ground under no-signal
conditions.
no mark : CD PLAY
: Impossible to measure
∗
(Page 31)
3030