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DV-5050M/5900M/DVF-J6050/J6050-G
QQ
3 7 63 1515 0
4-2 Port Function of Main Microcomputer
Port No.
Port Name
1
A16
2
A17
3
SCL
4
SDA
5
RD
6
WR
7
CS
8
ASTB
9
VDD
10
RGB H
11
RWRREQ
12
RWR
13
RTREN
14~21
D7~D0
22
VPP
23
STB LED
24
PURE LED
25
192k LED
26
96k LED
27
ICRESET
28
POWER
29
SUB WAKE
30
EXSW
TE
L 13942296513
31
VMUTE
32
PURE AUDIO
33
YC L
34
LINE2
35
WIDE1
36
WIDE2
37
VDD
38
X2
39
X1
40
VSS
41
XT2
42
XT1
43
RESET
44
REM
45
REM RCV
46
STB SUB IN
47
PLAY
48
OPEN/CLOSE
49
POWER ON
50
NC
51
AVDD
52
AVREFO
53
SHIMUKE
www
54
KISYU
55
M/S SW
56
PLUGCH
.
57, 58
NC
59
JOG1
60
JOG2
8
CIRCUIT DESCRIPTION
I/O
O
Address bus of SRAM (X25, IC14).
O
Address bus of SRAM.
O
Clock output for audio/video switching IC.
I/O Data input/output for audio/video switching IC.
O
Read strobe for SRAM (X25, IC14).
O
Write strobe for SRAM (X25, IC14).
O
Chip selector for SRAM (X25, IC14).
-
Unused.
-
Supply voltage (+5V).
O
RGB signal output. DVF-J6050 (E/T) Only
O
Request of transmission data to remote cont. microcomputer.
I
Read-out the data of remote cont. microcomputer.
I
Permission of transmission data from remote cont. microcomputer.
O
Data output to remote cont. microcomputer (X14, IC2).
-
Unused.
O
Control port for power led.
O
Control port for pure audio led.
O
Control port for 192kfs led.
O
Control port for 96kfs led.
O
Reset signal output to display microcomputer (X14, IC1).
O
Power on/off control for regulator (X00, IC3).
O
Output port of power on signal to sub microcomputer.
O
Switching port of (ext./int.) for video and audio output.
O
Video mute control port.
-
Unused. DV-5050M/DVF-J6050
O
Pure audio on/off control port. DV-5900M
O
YC signal output. DVF-J6050 (E/T) Only
-
Unused.
-
Unused.
-
Unused.
-
Supply voltage (+5V).
-
System clock input.
I
System clock input.
-
Connected to GND.
-
Unused.
-
Unused.
I
Reset signal input.
I
Remote control signal input.
I
IR signal input.
I
Strobe signal input from sub microcomputer.
I
Key input (PLAY) port.
I
Key input (OPEN/CLOSE) port.
I
Input port of power on signal from sub microcomputer.
-
Unused.
-
Supply voltage (+5V).
-
Connected to VDD.
I
Discrimination of destination. K : 0V E : 5V
I
Discrimination of model. DV-5050M : 5V DV-5900M : 2.5V
x
ao
u163
I
Input port of M/S switch. MAIN : 5V SUB1 : 2.5V SUB2 : 0V
y
-
Unused.
i
-
Unused.
I
Encoder signal input.
I
Encoder signal input.
2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
Active
H
ON
ON
ON
ON
RESET
ON
INT.
0 5
8
2 9
9 4
2 8
MUTE
-
ON
OUT
ON
ON
m
9 9
L
9 9
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