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MAIN BOARD IC801 CXR701080-013GA (MASTER CONTROLLER)
Pin No.
Pin Name
I/O Description
1
SYNC REC
I
SYNCHRO REC switch (S801) input terminal “L”: off, “H”: on
2
OFTRK
I
Off track signal input from the CXD2660GA (IC502)
3
PROTECT
I
Rec-proof claw detect input from the protect detect switch (S806)
“L”: recording possible , “H”: protect
4
PAUSE KEY
I
Set pause key input terminal
5
TX
O
Recording data output enable signal output to the CXD2660GA (IC502)
Writing data transmission timing output
6 SENSE I Internal status (SENSE) input from the CXD2660GA (IC502)
7
WRPWR
O
Laser power select signal output to the CXD2660GA (IC502)
“L”: playback mode , “H”: recording mode
8
XLAT
O
Serial data latch pulse output to the CXD2660GA (IC502)
9 XCS DSP O Chip select signal output to the CXD2660GA (IC502)
10
CS RTC
O
Chip select signal output to the real time clock (IC804)
11
SI0
I
Serial data input from the A/D, D/A converter (IC301), CXD2660GA (IC502), EEPROM
(IC802), real time clock (IC804) and switch & liquid crystal display module unit
12 SO0 O
Serial data output to the A/D, D/A converter (IC301), CXD2660GA (IC502), EEPROM (IC802),
real time clock (IC804) and switch & liquid crystal display module unit
13 SCK0 O
Serial clock signal output to the A/D, D/A converter (IC301), CXD2660GA (IC502), EEPROM
(IC802), real time clock (IC804) and switch & liquid crystal display module unit
14 XGUM ON I
Rechargeable battery pack detection switch (S901) input terminal
“L”: rechargeable battery pack in
15 VSS
—
Ground terminal
16
VDD
—
Power supply terminal (+2.4V)
17
XOUT
O
Not used (open)
18
BEEP
O
Beep sound control signal input terminal
19
RMC DTCK
I/O
TSB serial communication data input/output terminal for remote commander with headphone
20
XCS LCD
O
Chip select signal output to the liquid crystal display
21
LCD STB
O
Strobe signal output to the liquid crystal display
22
LCD RST
O
Reset control signal output to the liquid crystal display
23 XHP STBY O
Standby on/off control signal output to the line/headphone amplifier (IC303)
“L”: standby mode, “H”: amplifier on
24 CLV U
O
Spindle servo (U) drive signal output to the MPC17A56FTAF (IC601)
25
CLV V
O
Spindle servo (V) drive signal output to the MPC17A56FTAF (IC601)
26
CLV W
O
Spindle servo (W) drive signal output to the MPC17A56FTAF (IC601)
27 MODE1 O Power supply control signal output for over write head drive to the MPC18A20MTAEL (IC603)
28
MODE2
O
Power supply control signal output for over write head drive to the MPC18A20MTAEL (IC603)
29
MODE3
O
Power supply control signal output terminal for over write head drive
30
HD CON 1
O
Over write head control signal output to the MPC17A17DTB (IC602)
31
HD CON 2
O
Over write head control signal output to the MPC17A17DTB (IC602)
32
XREC MODE
O
Not used (open)
33 LD ON O Laser diode on/off control signal output terminal “L”: laser off, “H”: laser on Not used (open)
34
TSB SLV ON
I
TSB slave detect signal input terminal
35
SLD MON 1
I
Sled servo timing signal input from the MPC17A56FTA (IC601)
36
PD S0
O
PD IC mode switching signal output to the optical pick-up block
37 REG CTL CLK O Synchronizing external clock signal output terminal Not used (open)
38
PD S1
O
PD IC mode switching signal output to the optical pick-up block