Ic402 System Control, Fl Driver (Cxp82532-010Q)/Disp Board - Sony MCE-K700 Service Manual

• IC402 SYSTEM CONTROL, FL DRIVER (CXP82532-010Q)/DISP board

Pin No. Pin Name
1 TEST2
2 RM IN
3 JOG-1B
4 to 5 ——
6 AMUTE
7 READY
8 CLK
9 ODATA
10 DATA
11 OSDL
12 JOG-1A
13 ——
14 LEVEL 1
15 OUTSW
16 MREQ
17 SACK
18 LOADOUT
19 LOADIN
20 POWLED
21 POWON
22 MIC-KY
23 to 26 KEY1 to KEY4
27 MUSIC
28 MPX
29 ECHO
30 RST
31 EXTAL
32 XTAL
33 Vss
34 NRON
35 V-SW
36 NR LED
37 STAR-LED
38 DSP-LT
39 to 42 ——
43 to 62 P20 to P1
63 to 70 G1 to G8
71 VFDP
72 V
DD
73 ——
74 CMD0
75 CMD1
76 CMD2
77 CMD3
78 QINT
79 E-MUTE
80 IN-SW
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I/O
I Test mode 2. Normally "H".
I Remote commander signal input
Jog shuttle input B
I
Not used (Inhibit use. Keep the pin open.)
–
O Audio mute signal output ("H": mute)
I Communication enable signal from KARAOKE DSP (CXD2721Q). ("H": enable)
Serial clock output to OSD (LC74760)/KARAOKE DSP (CXD2721Q)
O
Serial data input from KARAOKE DSP (CXD2721Q)
–
O Serial data output to OSD (LC74760)/KARAOKE DSP (CXD2721Q)
Serial data latch signal to OSD
O
Jog shuttle input A
I
– Not used (Inhibit use. Keep the pin open.)
O COMET control ("H": on)
Loading tray open ("H": open)
O
Outputs command requests to mechanism control (HD6433032K07F)
O
I Inputs command acknowledge from mechanism control (HD6433032K07F)
O Loading motor control (Out).
Loading motor control (In).
O
STANDBY LED lighting signal ouput ("H": lighting)
O
O POWER ON/OFF control ("H": on) output
I A/D port for MIC control input
A/D port 1 to 4 for key input
I
A/D port for music volume input
I
I A/D port for MPX balance
Echo level
I
Reset signal input.
I
I Clock input (10 MHz).
O Clock output (10 MHz).
Ground
–
DNR on/off control output ("H": on)
O
O Video output select switch ("H": internal. "L":external)
O LED lighting signal output of DNR on ("H": on)
KARAOKE STAR on LED lighting signal ("H": lighting)
O
O Serial data latch to KARAOKE DSP.
– Not used (Open)
O Fluorescent indicator tube segment output.
Fluorescent indicator tube grid output.
O
I Fluorescent indicator tube drive voltage input.
– Power supply (+5V).
– Unconnection
Input/output terminal exchanging data bus 0 with mechanism control (HD6433032K07F)
I/O
I/O Input/output terminal exchanging data bus 1 with mechanism control (HD6433032K07F)
I/O Input/output terminal exchanging data bus 2 with mechanism control (HD6433032K07F)
Input/output terminal exchanging data bus 3 with mechanism control (HD6433032K07F)
I/O
Interrupt input from mechanism control (HD6433032SK07F)
I
I Echo mute input ("H": Echo mute)
I Close state of loading tray ("H": close)
— 60 —
Function