Sony SLV-7700KME, Руководство по обслуживанию

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6-8
6-10.
VIDEO-CD MECHANISM CONTROL MICROPROCESSOR PORT FUNCTION DESCRIPTION (CD-169 BOARD IC301 HD6433032SK07F)
Pin No.
Pin Name
I/O
Function
1
CMD0
I/O
Input/output ter
minal e
x
chang
ing data b
us 0 with system controller
.
2
CMD1
I/O
Input/output ter
minal e
x
chang
ing data b
us 1 with system controller
.
3
CMD2
I/O
Input/output ter
minal e
x
chang
ing data b
us 2 with system controller
.
4
CMD3
I/O
Input/output ter
minal e
x
chang
ing data b
us 3 with system controller
.
5
S
A
C
K
O
Outputs command ac
kno
wledg
e to system controller
.
6
QINT
O
Outputs command output pulses to system contr
oller
.
7
CHECK-LED
O
Check LED control.
8
DF-XLA
T
O
Serial data la
tch pulse output to
Audio D/A con
ver
ter
. (Not used
. open)
9
P90/TXD
–
Not used.
10
SUB Q
I
Sub Q 80bit input.
11
SQCK
O
SQSO readout clock output.
12
VSS
–
GND.
13
D0
I/O
14
D1
I/O
15
D2
I/O
16
D3
I/O
Data b
us input/output
17
D4
I/O
18
D5
I/O
19
D6
I/O
20
D7
I/O
21
VCC
–
Connect to the po
wer suppl
y.
(+5V)
22
A0
O
23
A1
O
24
A2
O
25
A3
O
Addr
ess b
us output.
26
A4
O
27
A5
O
28
A6
O
29
A7
O
30
VSS
–
GND.
31
A8
O
32
A9
O
33
A10
O
34
A11
O
35
A12
O
A
ddr
ess b
us output.
36
A13
O
37
A14
O
38
A15
O
39
A16
O
Pin No.
Pin Name
I/O
Function
41
OUT SW
I
CD tray open motor switch.
42
CD MUTE
O
D
A
C
mute for CD.
43
VFDP
–
–30V
44 – 63
S0 – S19
O
S
egment 1 to 20.
64 – 71
G0 – G7
O
Grid 1 to 8.
72
VDD
–
D
6V
.
73
TX
–
Not used.
74
TEX
–
GND.
75
NC
–
Not used.
76
SRDT2/NTP
AL-1
O
Serial-parallel signal output for LED display/Destination select data output.
77
ASURA RST
O
ASURA reset.
78
ASURA CS/NTP
AL-2
O
ASURA chip select.
79
OSD CS
O
OSD IC chip select.
80
NC
–
Not used.