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XR-CA600/CA600V/CA600X
6-11. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC501 MN101C49KTF (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
VREF–
2
VSM
3
NIL
4
KEYIN1
KEYIN0
5
RCIN0
6
QUALITY
7
MPTH
8
9
DSTSEL
10
VREF+
11
VDD
OSCOUT
12
OSCIN
13
VSS
14
15
XI
XO
16
17
MMOD
LCDSO
18
LCDCE
19
LCDCKO
20
21
NCO
22
SIRCS_RESET
23
LCUBE_SEL
24
SYSRST
25
BUSON
26
KEYACK
27
DAVN
28
BUIN
29
SIRCS
30, 31
NIL
32
NIH
33
RESET
34
TUNON
35
BEEP
36
PW_ON
37
NCO
38
ACCIN
39
NCO
26
I/O
I
Reference voltage (0V) input terminal (for A/D converter)
FM and AM signal meter voltage detection signal input from the FM/AM tuner unit (TU1)
I
(A/D input)
I
Not used (fixed at "L")
Key input terminal (A/D input) LSW902, LSW905 to LSW911, S902 to S905
I
(MENU, SOUND, ENTER, S SCROLL, PTY D DISPLAY, LIST, AF, TA, > M SEEK+,
. m SEEK–, DISC/PRESET+, DISC/PRESET– keys input)
Key input terminal (A/D input) LSW901, LSW903, LSW904, LSW914 to LSW919, S906, S907
I
(OFF, SOURCE, MODE o, SHUF 6, 5, 4, 3 REP, 2, 1 keys input)
I
Rotary remote commander key input terminal (A/D input)
I
Noise level detection signal input at SEEK mode (A/D input)
I
Multi-path detection signal input from the RDS decoder (IC51) (A/D input)
Destination setting terminal
I
"L": XR-CA600X, center voltage: XR-CA600, "H": XR-CA600V
I
Reference voltage (+5V) input terminal (for A/D converter)
—
Power supply terminal (+5V)
O
Main system clock output terminal (18.432 MHz)
I
Main system clock input terminal (18.432 MHz)
—
Ground terminal
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
I
Selection signal of memory mode input terminal "L": single chip mode (fixed at "L")
O
Serial data output to the liquid crystal display driver (IC900)
O
Chip enable signal output to the liquid crystal display driver (IC900) "H" active
O
Serial data transfer clock signal output to the liquid crystal display driver (IC900)
O
Not used (open)
O
SIRCS reset signal output terminal Not used (open)
I
Destination setting terminal "H": L-cube model Fixed at "L" in this set
O
Reset signal output to the SONY bus interface (IC581) "L": reset
O
Bus on/off control signal output to the SONY bus interface (IC581) "L": bus on
Input of acknowledge signal for the key entry Acknowledge signal is input to accept function
I
and eject keys in the power off status On at input of "H"
Synchronized detection signal of RDS data block input from the RDS decoder (IC51)
I
"H" active
Battery detection signal input from the SONY bus interface (IC581)
I
"L" is input at low voltage
I
SIRCS remote control signal input from the remote control receiver (IC971)
I
Not used (fixed at "L")
I
Not used (fixed at "H")
System reset signal input from the reset signal generator (IC551) and reset switch (S551)
I
"L": reset "L" is input for several 100 msec after power on, then it changes to "H"
O
Tuner system power supply on/off control signal output "H": tuner power on
O
Beep sound drive signal output to the power amplifier (IC751)
O
Main system power supply on/off control signal output "H": power on
I
Not used (open)
I
Accessory detection signal input "L": accessory on
O
Not used (open)
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