DV-4070-B/4900/DVF-R7030-B/R9030
8
CIRCUIT DESCRIPTION
Port No.
Port Name
I/O
Description
13
OSC1
O
Clock output
14
Vss
O
GND
15
XI
I
No use
16
XO
O
No use
17
MMOD
I
GND
18
TXD0
O
SIO0 data output port. Main processor contact.
19
RXD0
I
SIO0 data input port. Main processor contact.
20
SCK0
O
SIO0 clock
21
SB01
O
SIO1 data output port. FL driver contact.
22
SB11
I
SIO1 data input port. FL driver contact.
23
SCK1
I
SIO1 clock
24
FLCE
O
FL chip enable.
25
RESET
I
CPU reset.
26
E2CS
O
No use
27
P11
O
No use
28
MECHAVR
O
Mechanism PCM output.
29
P13
O
No use
30
LED DM
O
No use
31
REMOCON
I
Remocon code input.
32
POS SEN
O
Mecahnism position sensor
33
MECHA FG
I
Mecahnism frequency generator(FG) signal input.
34
OPEN SW
I
Tray open switch sensor.
35
CLOSE SW
I
Tray close switch sensor.
36
12C SDA
O
IC400 control (I2C data). Scart drive/E2ROM
37
SB12
O
No use
38
12C SDC
O
I2C clock.
39,40
P33,34
O
No use
41
TM+
O
Tray motor positive port.
42
TRM-
O
Tray/rotary motor common port.
43
RM+
O
Rotary motor positive port.
44
RGBL
O
Y signal.
45
AOP
O
Video signal selector. AOP=Pure Audio Mode.
46
YCBH
O
H=scart color-difference signal. L=RGB.
47
TRAY OPEN
O
No use
48
TRAY CLOSE
O
No use
49
POWER
O
H=on. L=power off.
50
FL OFF
O
No use
51
WIDE1
O
H=squeeze. L=letter box. L=normal.
52
WIDE2
O
H=squeeze. H=letter box. L=normal.
53
C OFF
O
C-signal of YC-signal on/off. H=on. L=off.
54-56
P52-54
O
No use
57
CE
O
Power chip enable.
58-60
P61-63
O
No use
61-68
LED18-11
O
No use
69
POWER LED
O
Power LED(D9).
70
96kHz
O
96kHz LED(D7).
71
DISC2
O
Disc 2 LED(D2).
72
DISC4
O
Disc 4 LED(D4).
73
VSS LED
O
Vss LED(D6).
74
AOP LED
O
AOP LED(D15).
75
SHOWER
O
Shower LED(D14).
76
192kHz
O
192kHz LED(D8)
77
DISC1
O
Disc 1LED(D1)
78
DISC3
O
Disc 3 LED(D3).
79
DISC5
O
Disc 5 LED(D5).
80
POWER MUT
O
Power mute.
