Sony MEX-5DI Service Manual ▷ View online
21
MEX-5DI
• IC501 MB90F574PMT-G-MS100 (SYSTEM CONTROL) (MAIN BOARD) (US, Canadian MODEL)
• IC501 MB90F574PMT-G-MS101 (SYSTEM CONTROL) (MAIN BOARD) (AEP, UK, E MODEL)
• IC501 MB90F574PMT-G-MS101 (SYSTEM CONTROL) (MAIN BOARD) (AEP, UK, E MODEL)
Pin No.
Pin Name
I/O
Pin Description
1
AB CLS
O
Digital AMP D/AB class select signal output
2
MS CHK
I
MS check signal input
3
MS SET
I
MS insert signal input
4
ADS01
O
A-DSO effect select signal output
5
ADS02
O
A-DSO effect select signal output
6
ATT
O
System mute control signal output
7
SYS RST
O
System reset signal output
8
VCC
—
Power supply pin (+5 V)
9
(NCO)
O
Not used. (Open)
10
T.ROM SDA
I/O
Tuner unit EEPROM data signal input/output
11
T.ROM SCK
O
Tuner unit EEPROM clock signal output
12
SH3SI/FLSSI
I
SH3 RXD/Flash write-in data signal input
13
SH3SO/FLSSO
O
SH3 TXD/Flash write-in data signal output
14
BUS ON
O
Bus ON control signal output
15
BEEP
O
Beep signal output
16
TEL ATT
I
Telephone attenuate detect signal input
17
UNI SI
I
SONY bus serial data signal input
18
UNI SO
O
SONY bus serial data signal outpit
19
UNI CKO
O
SONY BUS serial clock signal output
20 to 23
(NCO)
O
Not used. (Open)
24
SIRCS
I
Wireless remote control data signal input
25
DP 19VI
I
DP1.9 V power voltage check signal input
26
DP 33VI
I
DP3.3 V power voltage check signal input
27
DP 25VI
I
DP2.5 V power voltage check signal input
28
DP 18VI
I
DP1.8 V power voltage check signal input
29, 30
(NCO)
O
Not used. (Open)
31
VOL ATT
O
Electronic volume attenuate control signal output
32
UNI AU
O
Bus audio-in/AUX audio-in select control signal output
33
VSS
—
Ground pin
34
C
—
Not used. (Open)
35
CDON IN
I
CD ON signal input
36
MS LED
O
CD window illumination control signal output
37
FSW SFT
O
OSC frequency shift signal output for DC-DC converter
38
DVCC
—
Power supply pin (+5 V)
39
DVSS
—
Ground pin
40
FAN
O
Fan control signal output
41
(NCO)
O
Not used. (Open)
42
AVCC
—
Power supply pin (+5 V)
43
AVRH
—
Power supply pin (+5 V)
44
AVRL
—
Ground pin
45
AVSS
—
Ground pin
46
KEY IN0
I
Key input 0
47
TEMP (MECHA)
I
Tempareture detect signal input for front panel motor
48
TEMP (FAN)
I
Tempareture detect signal input for fan motor
49
FP IDET
I
Front panel motor current detect signal input
50
QUALITY (RDS)
I
Tuner noise detect signal input
51
TR IDET
I
Tray motor current detect signal input
52
(NCO)
O
Not used.(Open)
53
VSM
I
S-meter voltage detect signal input
54
VCC
—
Power supply pin (+5 V)
55
AMP ON
O
AMP ON control signal output
22
MEX-5DI
Pin No.
Pin Name
I/O
Pin Description
56
NS MASK
O
Tuner noise masking control signal output
57
DDC ON
O
DC-DC converter power control signal output
58
OPEN SENS
I
Tray open detect signal input
59
CLOSE SENS
I
Tray close detect signal input
60
LED ON
O
Tray-open illumination ON signal output
61
LOAD+
O
Tray loading motor signal output
62
LOAD–
O
Tray loading motor signal output
63
VSS
—
Ground pin
64
(NCO)
O
Not used. (Open)
65
FSW IN
I
OSC frequency count signal input
66 to 68
(NCO)
O
Not used. (Open)
69
FLASH W
I
Flash write-in mode detect signal input
70
I2C SIO
O
I2C serial data signal output
71
I2C CKO
O
I2C serial clock signal output
72
KEY ACK
I
Key acknowledge signal input
73
X1A
—
Crystal oscillator (32.768 kHz)
74
X0A
—
Crystal oscillator (32.768 kHz)
75
DAVN (RDS)
I
RDS data acquisition detect signal input (AEP, UK, E model)
76
MS INT
I
MS insertion detect signal input (Front panel open/close)
77
BU IN
I
Back-up power detect signal input
78
DP PWINT
I
Display power down detect signal input
79
(NCO)
O
Not used. (Open)
80
AD ON
O
A/D coverter power control signal output
81
ACC IN
I
Accessory power supply detect signal input
82
FLASH PON
O
Flash power ON control signal output
83
POW ON
O
Audio circuit power ON control signal output
84
TEST IN
I
Test mode setting detect signal input
85
RAM BU
I
RAM reset detect signal input
86
HSTX
—
Hardware standby signal input
87
MD2
—
Operation mode signal input
88
MD1
—
Operation mode signal input
89
MD0
—
Operation mode signal input
90
RSTX
—
Reset signal input
91
VSS
—
Ground pin
92
X0
—
Crystal oscillator (3.68 MHz)
93
X1
—
Crystal oscillator (3.68 MHz)
94
VCC
—
Power supply pin (+5 V)
95
ILL IN
I
Illumination dimmer control signal input
96
(NCO)
O
Not used. (Open)
97
MOT–
O
OPEN/CLOSE motor control signal output
98
MOT+
O
OPEN/CLOSE motor control signal output
99
CLOSE SW
I
Close SW detect signal input
100
OPEN SW
I
Open SW detect signal input
101
MOTOR ON
O
Motor power supply ON signal output
102
(NCO)
O
Not used. (Open)
103
(NCO)
O
Not used. (Open)
104
DSTSEL1
I
Destination select signal input 1
105
DSTSEL2
I
Destination select signal input 2
106
DEBUG
I
SH3 debug control signal input
107
AMSLED
O
Not used. (Open)
108, 109
(NCO)
O
Not used. (Open)
110
BOOST
O
TFT back light boost control signal output
111
DP 19VO
O
DP1.9 V power control signal output
23
23
MEX-5DI
Pin No.
Pin Name
I/O
Pin Description
112
DP 33VO
O
DP3.3 V power control signal output
113
DP 25VO
O
DP2.5 V power control check signal output
114
DP 18VO
O
DP1.8 V power control check signal output
115
TUN ON
O
Tuner ON signal output
116
MST PW
O
Master power ON status acknowledgment signal output
117
DP PW
I
DP bus ON status acknowledgment signal input
118
DP RST
O
DP reset signal output
119
VSS
—
Ground pin
120
DP RSVE
O
DP ATT ON status acknowledgment signal output
24
24
MEX-5DI
RFAC
RFDC
EQ
IN
IN
A
B
B
C
D
VC
DVCC
LD
OUT2F
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
IN4F
OUT2R
OUT1F
OUT1R
C176
MDS
MDP
OUT3F
OUT3R
OUT4F
OUT4R
A-D
RFAC
RFDC
DC OFST
FE
TE
TE BAL
VCC
VC
B+ (SERVO+3.3V)
B+
(RF+5V)
DVC
RFSW
63 VC
FE
LOUT1
LOUT2
PCMD
PCMDI
LRCK
BCK
SE
TE
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
42 C176
43
MDP
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
30
68 31 32 47 48 87 88 86
15 70
76 77 78 91 92
2
3
72
1
5
6
60
62
9
94
5
32
30
19
39
94
59
MDS
TE BAL ADJ
APC2
22 APC1
23 SPST
63 XTAL
65 XTXAL
1-4,7
10-20,31
22
23
4
5
2,3,24,25
8-12
15-19,21
115-118
1-3,5-7
106-109,111
3,4,7,10,11
15,31-34
36-38,41
42,44,45
21-23
25-29
46,47
49-51
53-55
FOCUS
COIL
DRIVE
27
29
30
25
TRACKING
COIL
DRIVE
21
19
18
23
SLED
MOTOR
DRIVE
12
14
SPINDLE
MOTOR
DRIVE
6
4
8
16
3
15
10
104
97
90
86
89
88
14
13
9
12
14
8
12
10
7
6
8
1
7
3
I-V
AMP
IC3
5
AUTO POWER
CONTROL
Q1
APC
AMP
MOTOR
CONTROL
Q3
SPINDLE MOTOR
CONTROL
IC9
VCA
VC
VC
RFDC
AMP
FOCUS
ERROR
AMP
OFFSET
CONTROL
Q2
APC MODE
CONTROL
Q5,6
VIBRATION
MEMORY
CONTROLLER/
COMPRESSION
EXPANDER
OP AMP,
ADC
LPF
DAC
SERVO BLOCK
MICRO
COMP.
COMP.
I/F
BUS
SWITCH
GAIN
BAL
TRACKING
ERROR
AMP
EQ
27
10
11
62
60
61
12
DIGITAL
CLV
SIGNAL
PROCESSOR
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC8
IN4R
PSB
M
M
M2
(SLED)
M1
(SPINDLE)
22
14
18
19
13
1
2
PD
15
28
30
16
9
3
RF AMP
IC2
RF
A
B
E
F
LD
2V REG
IC7
VC
PD
F+
F-
T+
T-
OPTICAL
PICK-UP
BLOCK
71
58
D0-3
A0-10
120
93
119
114
113
FOK
SCLK
SENS
CLOK
XLAT
SDTO
XRST
SCOR
XQCK
SQSO
XQOK
XWRE
GFS
WDCK
FOK
SCLK
SENS
CD CLK
CD LAT
CD DAT
XRST
SCOR
SQCK
SQSO
XQOK
XWRE
GFS
XRDE
SCL
SDA
GRSCOR
X2
12.288MHz
43
21
PSB
FL BOOT
PCTX
PCRX
KEY IN0
KEY IN1
LED CLK
LED LAT
LED DATA
MUTE
CD ON
UNI SO
UNI SI
UNI CK
BUS ON
BU CHK
74
LINK OFF
FL BOOT
PCTX
PCRX
KEY IN0
KEY IN1
LED CLK
LED LAT
LED DATA
UNI SLK
A-ATT
CD ON
UNI SO
UNI SI
NBUS
BU IN
LINK OFF
1
2
3
4
5
6
7
8
CN7
DECXRST
DECSTBY
DECINT
NC
RSTX
CD SYSTEM CONTROL
IC11
4 81 80
BUFF
IC15
AUDIO
I/F
SRAM
I/F
PROM
BUFF
IC10
RAS
DQ1-4
A0-10
WE
CAS
CSI
DQ1-3
IO4-8
A0-16
OE
WE
CE
OE
WR
OE
43
17
16
DRAM
IC6
SRAM
IC4
XRAM
YRAM
CROM
SW4
ERAM
MAC
ALU
X BUS
Y BUS
XI
58
59
SDIO
SDD
LRCKIA
BCKIA
CKI.ACKO
MICK
MIDIO
RESET
STANBY
PO7
LEVEL
SHIFT
IC13
CD +5V REG
Q203,205,207
8.5V
RF 5V
DIGITAL SERVO/
DIGITAL SIGNAL PROCESSOR
IC1
AUDIO INTERFACE
IC5
SYSTEM CONTROL
IC501 (1/3)
B
SW1
OPEN/CLOSE
SW2
(OPEN END )
SW3
(CLOSE END)
L-CH
R-CH
A-ATT
A-ATT
EJECT
CD ON
UNI SO
UNI SI
UNI CLK
BUS ON
BU IN
SYS RESET
CD ON
LINK OFF
LINK OFF
A-ATT
UNI SO
UNI SI
UNI CLK
BUS ON
BU IN
OPEN END
CLOSE END
IC14
50
51
48
49
46
47
XTAI
XOE
XCAS
XWE
XRAS
XTAO
XRDE
B+
(RF+5V)
X1
16.934MHz
DISPLAY
SECTION
SECTION
B
TUNER
SECTION
A
CD ON
CD +3.3V REG
Q202,204,206
8.5V
SERVO+3. 5V
CD ON
CD +3.3V REG
IC202
BU+5V
BU+3V
2.5V REG
IC12
BU+3V
B+(REF+2.5V)
• Signal path
: CD
4-3. BLOCK DIAGRAM — CD SECTION —
(Page 25)
(Page 26)
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