Sony MDX-M690 Service Manual ▷ View online
57
MDX-M690
Pin No.
Pin Name
I/O
Description
91
VSS
—
Ground terminal
92
X0
I
Main system clock input terminal (3.68 MHz)
93
X1
O
Main system clock output terminal (3.68 MHz)
94
VCC
—
Power supply terminal (+5V)
95
ILL IN
I
Auto dimmer control illumination line detection signal input terminal
“L” is input at dimmer detection
“L” is input at dimmer detection
96
I-DET
I
Detection signal input from the motor overload detection circuit for the front panel open/close
motor (M601) “L” is input when the motor current exceeds the specified value
motor (M601) “L” is input when the motor current exceeds the specified value
97
MOT–
O
Front panel open/close motor (M601) drive signal (in panel close direction) output to the
BA6288FS (IC651)
BA6288FS (IC651)
98
MOT+
O
Front panel open/close motor (M601) drive signal (in panel open direction) output to the
BA6288FS (IC651)
BA6288FS (IC651)
99
CLOSE-SW
I
Front panel open/close detection switch input terminal “L” is input when the front panel is
closed
closed
100
OPEN-SW
I
Front panel open/close detection switch input terminal “L” is input when the front panel is
opened
opened
101
CENT-SW
I
Front panel detach position detection switch input terminal “L” is input when the front panel is
detach position
detach position
102
NCO
O
Not used (open)
103
CDMD-SEL
I
CD or MD mechanism deck setting terminal “L”: CD, “H”: MD (fixed at “H” in this set)
104, 105
DSTSEL1,
DESTSEL2
I
Destination setting terminal (fixed at “L”)
106
BOOT
O
Serial data output to the display controller (IC702) “L” is output when writing change
107 to 110
NCO
O
Not used (open)
111
PACK-IN
I
Disc insert detection switch input terminal “L” is input when the disc is inserting
112
4V SEL
I
Input terminal of whether line driver is mounted or not is detected
“L”: line driver is mounted (fixed at “H” in this set)
“L”: line driver is mounted (fixed at “H” in this set)
113
NCO
O
Not used (open)
114
TUNER-ON
O
Tuner system power supply on/off control signal output terminal “H”: tuner power on
115, 116
LED SW1,
LED SW2
O
Security/operation side select control signal output to the display controller (IC702)
117 to 120
NCO
O
Not used (open)
58
MDX-M690
•
MAIN BOARD IC702 HD6432355A36F (DISPLAY CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SA-CLK
O
Spectrum analyzer display serial data transfer clock signal output to the TDA7406T (IC305)
2
NCO
O
Not used (open)
3
VSS
—
Ground terminal
4
NCO
O
Not used (open)
5
VCC
—
Power supply terminal (+5V)
6 to 9
NCO
O
Not used (open)
10
VSS
—
Ground terminal
11 to 18
NCO
O
Not used (open)
19
VSS
—
Ground terminal
20 to 27
NCO
O
Not used (open)
28
VSS
—
Ground terminal
29 to 31
NCO
O
Not used (open)
32
SA_ENIN
I
Enable signal input for spectrum analyzer display from the system controller (IC500)
“H”: active
“H”: active
33
SPE-LAT
I
Serial data latch pulse input for spectrum analyzer display from the system controller (IC500)
“H” active
“H” active
34
BU-IN
I
Battery detection signal input from the SONY bus interface (IC601)
“L” is input at low voltage
“L” is input at low voltage
35, 36
VSS
—
Ground terminal
37
NCO
O
Not used (open)
38
BUS-ON
I
Bus on/off control signal input from the system controller (IC500)
“L”: bus on
“L”: bus on
39
VCC
—
Power supply terminal (+5V)
40 to 43
NCO
O
Not used (open)
44
VSS
—
Ground terminal
45
DSP_SEL
I
Setting terminal for spectrum analyzer display data “L”: A633, “H”: DSP-IC
46, 47
LED SW1,
LED SW2
I
Security/operation side select control signal input from the system controller (IC501)
48, 49
NCO
O
Not used (open)
50
LINK-OFF
O
Link on/off control signal output for the SONY bus “L”: link on, “H”: link off
51
NCO
O
Not used (open)
52
ILLON
O
Display power supply on/off control signal output “H”: display power on
53
VSS
—
Ground terminal
54 to 56
NCO
O
Not used (open)
57
BOOT
I
Serial data input at the flash memory writing mode “L” is input when writing change
58
VCC
—
Power supply terminal (+5V)
59
NCO
O
Not used (open)
60
LCD_SO/TX
O
Display serial data output to the liquid crystal display driver (IC1, 60, 61)
Output terminal for UART transfer data when writing into internal flash memory data
Output terminal for UART transfer data when writing into internal flash memory data
61
SP-SI
I
Spectrum analyzer display serial data input terminal Not used (fixed at “L”)
62
RX
I
Input terminal for UART transfer data when writing into internal flash memory data
63
SP-SCK
I
Spectrum analyzer display serial data transfer clock signal input terminal
Not used (fixed at “L”)
Not used (fixed at “L”)
64
LCD_CKO
O
Display serial data transfer clock signal output to the liquid crystal display driver (IC1, 60, 61)
65
VSS
—
Ground terminal
66
LCDCE0
O
Chip enable signal output to the liquid crystal display driver (IC60) “H”: active
67, 68
VSS
—
Ground terminal
59
MDX-M690
Pin No.
Pin Name
I/O
Description
69
LCDINH
O
Blank indicate control signal output to the liquid crystal display driver (IC1, 60, 61)
“L”: no display
“L”: no display
70
LCDCE1
O
Chip enable signal output to the liquid crystal display driver (IC61) “H”: active
71
LCDCE2
O
Chip enable signal output to the liquid crystal display driver (IC1) “H”: active
72 to 78
NCO
O
Not used (open)
79
FL_W
O
Flash memory data write control signal output terminal “H”: active
80
FWE (L)
I
Flash memory data write enable signal input terminal
81
SYSRES
I
System reset signal input from the reset signal generator (IC502)
“L” is input for several 100 msec after power on, then it changes to “H”
“L” is input for several 100 msec after power on, then it changes to “H”
82
NMI (H)
I
Non maskable interrupt input terminal fixed at “H”
83
STBY (H)
I
Hard ware standby input terminal fixed at “H”
84
VCC
—
Power supply terminal (+5V)
85
XTAL
O
System clock output terminal (18.432 MHz)
86
EXTAL
I
System clock input terminal (18.432 MHz)
87
VSS
—
Ground terminal
88
NCO
O
Not used (open)
89
VCC
—
Power supply terminal (+5V)
90 to 96
NCO
O
Not used (open)
97
UNI-SO
O
Serial data output to the SONY bus interface (IC601)
98
UNI-SI
I
Serial data input from the SONY bus interface (IC601)
99, 100
VSS
—
Ground terminal
101
UNI-SCK
I/O
Serial clock signal input /output with the MD mechanism controller (IC501) and system
controller (IC501) or serial clock signal output to the SONY bus interface (IC601)
controller (IC501) or serial clock signal output to the SONY bus interface (IC601)
102
NCO
O
Not used (open)
103
AVCC
—
Power supply terminal (+5V) (for A/D converter)
104
VREF
I
Reference voltage (+5V) input terminal (for A/D converter)
105 to 111
NIL
I
Not used (fixed at “L”)
112
SA-IN
I
Spectrum analyzer display serial data input from the TDA7406T (IC305)
113
AVSS
—
Ground terminal (for A/D converter)
114
VSS
—
Ground terminal
115 to 122
NCO
O
Not used (open)
123
MD0 (H)
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
124
MD1 (H)
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
125
MD2 (H)
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
126 to 128
NCO
O
Not used (open)
60
MDX-M690
•
MAIN BOARD IC801 RRX9000-0401R#01 (SIRCS CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+5V)
2
VSS
—
Ground terminal
3
XIN
I
System clock input terminal (4 MHz)
4
XOUT
O
System clock output terminal (4 MHz)
5
CNVSS
—
Ground terminal
6
RESET
I
Reset signal input trminal “L”: reset
7, 8
F0, F1
—
Not used
9
SIRCS IN
I
SIRCS signal input from the remote control receiver (IC62, IC901)
10
G1/INT
—
Not used
11, 12
G2, G3
—
Not used (open)
13 to 16
S3 to S0
—
Not used (fixed at “L”)
17
SIRCS OUT
O
SIRCS signal output to the system controller (IC501)
18 to 20
D2/C, D1, D0
—
Not used (fixed at “L”)
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