Sony CDX-M600 / CDX-M600R / CDX-M650 Service Manual ▷ View online
37
• IC801 MB90574BPMT-G-260-BND (CDX-M600/M650) (SYSTEM CONTROL)
IC801 MB90574BPMT-G-261-BND (CDX-M600R) (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
(NCO)
O
Not used. (Open)
2
(AMSIN)
I
Inter-music detection input (“H”: inter-music) (Fixed at “L” in this set.)
3
(AMSON)
O
AMS sens select output (Not used in this set.)
4
SP LATCH
O
Spectrum analyzer display data latch signal output to display micon.
5
ATT
O
System attenuate control output
6
SYSRST
O
Resetting for slave micon of SONY BUS system.
7
(N/R)
O
Forward/Reverse select output (“L”: forward, “H”: reverse) (Not used in this set.)
8
VCC
—
Power supply pin (+5 V)
9
(NCO)
O
Not used. (Open)
10
E2PSIO
I/O
Tuner EEPROM communication input/output
11
E2PCKO
I/O
Tuner EEPROM communication input/output
12
FLS SI
I
Flash micon write data input
13
FLS SO
O
Flash micon write data output
14
BUS-ON
O
BUS ON output
15
BEEP
O
Beep output
16
TELATT
I
Telephone mute input (“H”: mute ON)
17
UNISI
I
SONY BUS serial data input
18
UNISO
O
SONY BUS serial data output
19
UNICKO
O
SONY BUS serial clock output
20
IFWIDTH
O
Not used. (Open)
21, 22
(NCO)
O
Not used. (Open)
23
(MTLOUT)
O
Tape metal signal output (“H”: metal) (Not used in this set.)
24
SIRCS
I
Wireless remote data input
25
DSPSI
I
Digital signal processor serial data input (Not used in this set.)
26
DSPSO
O
Digital signal processor serial data output (Not used in this set.)
27
DSPCKO
O
Digital signal processor clock output (Not used in this set.)
28
(DSPPLL)
O
Not used. (Open)
29
DSPMST
O
Digital signal processor master slave control output (Not used in this set.)
30
SW SHIFT
O
Tuner SW (Short Wave) signal output (“H”: SW signal receipt) (Not used in this set.)
31
VOLATT
O
Electronic volume mute output (“L”: mute ON)
32
TU ATT
O
Tuner mute output (“H”: mute ON)
33
VSS
—
Ground
34
C
—
Power stabilization capacitor pin
35
DSPLAT
O
Digital signal processor latch output (Not used in this set.)
36
DSPRST
O
Digital signal processor reset output (Not used in this set.)
37
SHIFT
O
DC/DC converter oscillation frequency shift output (“H”: shift output)
38
DVCC
—
VREF input of D/A converter.
39
DVSS
—
Ground of D/A converter.
40
FP CTRL
O
Front panel OPEN/CLOSE motor voltage control output
41
(NCO)
O
Not used. (Open)
42
AVCC
—
Analog power supply pin (+5 V)
43
AVRH
—
VREF+ input of A/D converter. (+5 V)
44
AVRL
—
VREF– input of A/D converter.
45
AVSS
—
Analog ground
46, 47
KEYIN0, 1
I
Key input 0, 1
48
RCIN0
I
Rotary commander input 0
49
(NCO)
—
Not used. (Open)
50
QUALITY
I
Noise detection input
51
FM AGC
I
FM suppression level detection input
52
MPTH
I
Tuner multi path detection input
53
VSM
I
S-meter voltage detection input
38
Pin No.
Pin Name
I/O
Pin Description
54
VCC
—
Power supply pin (+5 V)
55
ST-BY
O
Power amplifier drive output
56
NS MASK
O
Noise detection output
57
(REEL)
I
Tape rotation detection input (Fixed at “L” in this set.)
58
CD EJECTOK
O
CD eject control output (Not used in this set.)
59
CD OPENREQ
I
Front panel open request input
60 – 62
(POS0 – 2)
I
Mechanism deck position detection input (Fixed at “L” in this set.)
63
VSS
—
Ground
64
(POS3)
I
Mechanism deck position detection input (Fixed at “L” in this set.)
65
PWM
I
Oscillation frequency count input
66
(LMLOD)
O
Loading motor control output (Loading direction) (Not used in this set.)
67
(CM-ON)
O
Capstan motor drive power supply output (Not used in this set.)
68
(TAPEON)
O
Tape drive power supply output (Not used in this set.)
69
FLASH-W
I
Flash write input
70
I2CSIO
I/O
I
2
C BUS serial data input/output
71
I2CCKO
O
I
2
C BUS serial clock output
72
RC IN1
I
Rotary commander input 1
73
X1A
O
Sub ceramic oscillator output (32 kHz)
74
X0A
I
Sub ceramic oscillator input (32 kHz)
75
DAVN
I
RDS IC data acquisition detection input
76
CDON-IN
I
CD mechanism power control input (Not used in this set.)
77
BU IN
I
Backup power detection input
78
DSPREADY
I
Digital signal processor ready input (Not used in this set.)
79
KEY ACK
I
Key input acknowledge
80
ADON
O
Power control output of A/D converter.
81
ACCIN
I
Accessory key ON input
82
FLSW PWON
O
Flash power ON output
83
PW ON
O
System power control output
84
TESTIN
I
Test mode initial setting detection input
85
RAM BU
I
RAM reset detection input
86
HSTX
I
Hardware standby input (Connect to pin o; (RSTX).)
87
MD2
I
Operation mode input (Connect to ground in this set.)
88, 89
MD1, 0
I
Operation mode input (Connect to VCC in this set.)
90
RSTX
I
Reset input
91
VSS
—
Ground
92
X0
I
Main ceramic oscillator input (3.68 MHz)
93
X1
O
Main ceramic oscillator output (3.68 MHz)
94
VCC
—
Power supply pin (+5 V)
95
ILL IN
I
Illumination control input
96
I-DET
I
Front panel OPEN/CLOSE motor current abnormal detection input
97
MOT–
O
Front panel OPEN/CLOSE motor control output (– direction)
98
MOT+
O
Front panel OPEN/CLOSE motor control output (+ direction)
99
CLOSESW
I
Front panel CLOSE detection switch input
100
OPENSW
I
Front panel OPEN detection switch input
101 – 103
SCODE0 – 2
I
Security code setting port 0 – 2 (Fixed at “L” (M600/M650))
104
DSTSETTING1
I
Destination setting port (Fixed at “L” (TYPE1, 2/M600/M650), “H” (TYPE3).)
105
DSTSETTING2
I
Destination setting port (Fixed at “L” (TYPE1/M600/M650), “H” (TYPE2, 3).)
106
BOOT
O
Display micon write control output
107
(NCO)
I
Not used. (Open)
108
DSPON
O
Digital signal processor power control output (Not used in this set.)
109
(NCO)
O
Not used. (Open)
110
EMPH-IN
I
Emphasis input (Not used in this set.)
111
(PACKSW)
I
Tape with/without detection input (Not used. (Fixed at “L” in this set.))
39
39
Pin No.
Pin Name
I/O
Pin Description
112
4V SEL
I
4 V select input (Fixed at “L” (CDX-M650) or “H” (CDX-M600/M600R) in this set.)
113
(P-SEL)
I
Power select initial setting (Fixed at “L” in this set.)
114
TUNON
O
Tuner power control output
115, 116
LED SW1, 2
O
Operation/display side illumination select control output 1, 2
117, 118
(NCO)
O
Not used. (Open)
119
VSS
—
Ground
120
(DOLBY)
O
DOLBY B ON/OFF select output (“H”: ON) (Not used in this set.)
40
40
04
I-V
CONV.
FOCUS
ERROR
DIGITAL
CLV
SUB
CODE
PROCESS
TRACKING
ERROR
LD
DRIVE
Q101
FOCUS
COIL
DRIVE
RF
EQ
EQ
EFM
DEM
D/A
I/F
RFO
RFAC
FE
TE
SE
RFDC
FFDR
FRDR
TFDR
SFDR
SRDR
MDP
TRDR
TE
FE
E
D
B
C
A
F
11
10
PD
4
LD
3
7
6
8
13
14
16
LD
AMP
LD ON
HOLD SW
AGC CONT
22
21
20
5
RF AMP, LD APC,
ERROR AMP
IC1
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC501
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC7
10
11
22
21
TRACKING
COIL
DRIVE
8
9
25
24
SLED
MOTOR
DRIVE
6
7
31
32
32
FOCUS
COIL
TRACKING
COIL
M902
SLED
MOTOR
SPINDLE
MOTOR
DRIVE
12
13
18
M901
SPINDLE
MOTOR
LOADING
MOTOR
DRIVE
5
4
1
2
34
35
M903
LOADING
MOTOR
MUTE 1
MUTE 2
42
43
40
41
38
39
35
52
51
50
61
79
92
95
SQSO
6
SQCK
7
SCOR
MD2
24
73
XRST 11
DATA 13
DATA 13
XLAT 14
SCLK 17
CLOK
LOUT1
LOUT2
LOUT2
PCMD
15
SENS 16
GFS 22
FOK 32
FOK 32
XTAI 86
XTAO 87
LOCK
34
54
SERVO
CTL
X1
10MHz
X2
16MHz
SW4
(LIMIT)
SW1
(DOWN)
SW3
(DISC IN)
SW2
(SELF)
LM EJ
69
LM LOD
66
SLED –
40
DRIVE ON
70
LD ON
20
HOLD
22
AGC CONT
23
SSTP
11
FOK
XIN
XOUT
54
GFS
55
SENS
57
CD CKO
65
SCLK
45
CD XLAT
68
CD DATA
67
CD RST
21
MD2
71
SCOR
64
SCK2
48
SI2
49
LOCK
CDL
R-CH
CD ON
MD ON
MD ON
46
CD ON
18
CDM ON
17
D SW
10
IN SW
62
SELF SW
63
CD SYSTEM CONTROL
IC5
SYSTEM CONTROL
IC801 (1/3)
BUS CLK 51
A MUT 19
OPEN 6
BUS SI 52
BUS SO
SRST
BUS CLK
BUS SI
BUS ON
BU CHECK
UNI SO
LINK OFF
SIRCS
53
DISPLAY
SECTION
SECTION
5
TUNER
SECTION
1
4
ATT
TO TUNER
SECTION
TO DISPLAY
SECTION
2
BUS ON 61
RESET 30
BU IN 60
SW501
(RESET)
S901
(RESET)
HSTX
RESET
1
2
IC902
BU 5V
BATT (H)
CHECK
Q920
BATT (L)
CHECK
BATT
86
RSTX
90
SIRCS 24
BU IN
77
SYS RST
6
BUS ON
14
UNI SO
18
UNI SI
17
UNI CKO
19
CD EJECTOR
58
CLOSE 7
CD OPENREQ
59
ATT
5
BATT
10
3
RESET
13
2
BUS ON
CONT
12
9
8
11
1
4
6
BUS INTERFACE
IC802
CLK
DATA
5
4
6
2
1
3
8
7
CNP801
BUS
CONTROL IN
Q804
A
C
B
D
E
F
PD
LD
OPTICAL PICK-UP
KSS-720A
• Signal path
:CD
31
32
MUTE
CONT
Q411
Q805
Q806
Q801
CDX-M600/M600R/M650
4-2. BLOCK DIAGRAM — CD SECTION —
(Page 41)
(Page 42)
(Page 42)
(Page 41)
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