Sony MCE-K700, Service Manual, Page: 38 / 66

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• IC402 SYSTEM CONTROL, FL DRIVER (CXP82532-010Q)/DISP board
Pin Name
TEST2
RM IN
JOG-1B
——
AMUTE
READY
CLK
ODATA
DATA
OSDL
JOG-1A
——
LEVEL 1
OUTSW
MREQ
SACK
LOADOUT
LOADIN
POWLED
POWON
MIC-KY
KEY1 to KEY4
MUSIC
MPX
ECHO
RST
EXTAL
XTAL
Vss
NRON
V-SW
NR LED
STAR-LED
DSP-LT
——
P20 to P1
G1 to G8
VFDP
V
DD
——
CMD0
CMD1
CMD2
CMD3
QINT
E-MUTE
IN-SW
Pin No.
1
2
3
4 to 5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23 to 26
27
28
29
30
31
32
33
34
35
36
37
38
39 to 42
43 to 62
63 to 70
71
72
73
74
75
76
77
78
79
80
I/O
I
I
I
–
O
I
O
–
O
O
I
–
O
O
O
I
O
O
O
O
I
I
I
I
I
I
I
O
–
O
O
O
O
O
–
O
O
I
–
–
I/O
I/O
I/O
I/O
I
I
I
Function
Test mode 2. Normally “H”.
Remote commander signal input
Jog shuttle input B
Not used (Inhibit use. Keep the pin open.)
Audio mute signal output (“H”: mute)
Communication enable signal from KARAOKE DSP (CXD2721Q). (“H”: enable)
Serial clock output to OSD (LC74760)/KARAOKE DSP (CXD2721Q)
Serial data input from KARAOKE DSP (CXD2721Q)
Serial data output to OSD (LC74760)/KARAOKE DSP (CXD2721Q)
Serial data latch signal to OSD
Jog shuttle input A
Not used (Inhibit use. Keep the pin open.)
COMET control (“H”: on)
Loading tray open (“H”: open)
Outputs command requests to mechanism control (HD6433032K07F)
Inputs command acknowledge from mechanism control (HD6433032K07F)
Loading motor control (Out).
Loading motor control (In).
STANDBY LED lighting signal ouput (“H”: lighting)
POWER ON/OFF control (“H”: on) output
A/D port for MIC control input
A/D port 1 to 4 for key input
A/D port for music volume input
A/D port for MPX balance
Echo level
Reset signal input.
Clock input (10 MHz).
Clock output (10 MHz).
Ground
DNR on/off control output (“H”: on)
Video output select switch (“H”: internal. “L”:external)
LED lighting signal output of DNR on (“H”: on)
KARAOKE STAR on LED lighting signal (“H”: lighting)
Serial data latch to KARAOKE DSP.
Not used (Open)
Fluorescent indicator tube segment output.
Fluorescent indicator tube grid output.
Fluorescent indicator tube drive voltage input.
Power supply (+5V).
Unconnection
Input/output terminal exchanging data bus 0 with mechanism control (HD6433032K07F)
Input/output terminal exchanging data bus 1 with mechanism control (HD6433032K07F)
Input/output terminal exchanging data bus 2 with mechanism control (HD6433032K07F)
Input/output terminal exchanging data bus 3 with mechanism control (HD6433032K07F)
Interrupt input from mechanism control (HD6433032SK07F)
Echo mute input (“H”: Echo mute)
Close state of loading tray (“H”: close)