Sony MDS-JE780 Service Manual page 49

Minidisc deck
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• IC1 M30833FJFP-JE7-1 SYSTEM CONTROL (MAIN BOARD)
Pin No.
Pin Name
1
FLDT
2
FLCK
3
A1-IN
4
SIRCS
5
NETMD_SO
6
NETMD_SI
7
NETMD_CLK
8
BYTE
9
CNVSS
10
XIN-T
11
XOUT-T
12
S.RST
13
XOUT
14
GND
15
XIN
16
VCC
17
NMI
18
DQSY
19
P.DOWN
20
SQSY
21
KB.CLK
22
KB.DATA
23
IIC BUSY
24
A1 OUT
25
XINIT
26
*BEEP
27
LRCKI
28
IIC POWER
29
IIC CLK
30
IIC DATA
31
SWDT
32
SRDT
33
SCLK
34
KB.CLK-CTRL
35
CLIP-TX
36
CLIP-RX
37
XBCK1
38
MUTE
39
ADA.RESET
40
ADA. LATCH
41
EPN
42
L : DINT1/H : CLIP
43
NC
44
PROTECT
45
SCL
46
CE
I/O
O
Serial data output to the display driver
O
Serial clock signal output to the display driver. L: Active
I
A1 Control input (Not used) (Open)
I
Remote control input
O
Serial data output to UNICORN NETMD-USB I/F
I
Serial data input from UNICORN NETMD-USB I/F
O
Clock signal output to UNICORN NETMD-USB I/F
I
Data bus changed input (Fixed at "L")
Ground
I
Not used (Fixed at "L")
O
Not used (Open)
I
System rest input
O
Main clock output (10MHz)
Ground
I
Main clock input (10MHz)
Power supply
I
Fixed at H (Fixed at "H")
I
Digital in sync input (Record system)
I
Power down detection input L: Power down
I
ADIP (MO) sync or subcode Q (PIT) sync input from CXD2664R (Playback system)
I
Keyboard clock input
I
Keyboard data input
I
IIC cable connect check (Not used) (Open)
O
A1 control output (Not used) (Open)
I
Interrupt status input from CXD2664R
O
Not used (Open)
O
Not used (Open)
O
Not used (Open)
O
Not used (Fixed at "L")
I/O
Not used (Fixed at "L")
O
Writing data signal output to the serial bus
I
Reading data signal input from the serial bus
O
Clock signal output to the serial bus
O
Keyboard clock ON/OFF signal output
O
Not used (Open)
I
Not used (Open)
O
Not used (Open)
O
Line out muting output
O
Reset signal output to the AK4524
O
Latch signal output to the AK4524
I
Not used (Fixed at "L")
O
Not used (Open)
O
Not used (Open)
I
Recording-protection claw detection input from the protection detection switch H: Protect
O
Clock signal output to the EEP-ROM
I
Not used (Pull-up)
Description
MDS-JE780
49

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