Sony XR-C440 Benutzerhandbuch
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6-7.
IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC501
µPD78058GC-913-3B9 (SYSTEM CONTROL)
1
DSEL
I
Destination setting pin
2
RC_IN0
I
Rotary remote commander input pin (A/D input)
3
SD_IN
I
Station detection signal input
4
AVSS
—
GND
5
ST
I/O
Stereo detection signal input and forced monaural signal output pin
6
PLLCE
O
PLL chip enable output pin
7
AVREF1
I
A/D reference voltage input pin
8
PLLSI
I
PLL data input pin
9
PLLSO
O
PLL data output pin
10
PLLCKO
O
PLL clock output pin
11
P.ST_IN
I
Polar stereo input pin
12
LCDSO
O
LCD data output pin
13
LCDCKO
O
LCD clock output pin
14
LCDCE
O
LCD chip enable output pin
15
LCDINH
O
LCD blank indication control pin
16
UNISI
I
Data input pin (for SONY BUS)
17
UNISO
O
Data output pin (for SONY BUS)
18
UNICKI
I
Clock input pin (for SONY BUS)
19
UNICKO
O
Clock output pin (for SONY BUS)
20
BUSON
O
BUS ON control signal output pin (for SONY BUS)
21
SYSRST
O
System reset signal output pin
22
AMPON
O
Power amp power supply control pin
23
AMP_MUT
O
Power amp muting control pin. At muting: “L”
24
TUNON
O
Tape power supply control pin
25
FM_ON
O
FM power supply control pin
26
PW_ON
O
System power supply control pin
27
COLOR
I/O
Illumination color selection input/output pin
At initial mode: valid/invalid selection input of color select function
At normal mode: color selection output
At initial mode: valid/invalid selection input of color select function
At normal mode: color selection output
28
AMSON
I
Tape AMS control pin. At AMS: “L”
29
REL
I
Reel table rotation detection pin
30
MTLIN
I
AUTO METAL detection pin. “L”: METAL
31, 32
POS3, POS2
I
Tape position control pin
33
GND
—
GND
34, 35
POS0, POS1
I
Tape position control pin
36
LM_LOD
O
Loading motor control pin (loading direction)
37
LM_EJ
O
Loading motor control pin (eject direction)
38
N/R_OUT
O
Forward/reverse control pin
39
P.ON
O
Polar stereo detection output pin. At polar stereo on: “H”
40
CM_ON
O
Capstan motor control pin
41
TAPON
O
Tape power supply control pin
42
COLSEL
I
Illumination color setting pin. “L”: amber, “H”: green
43
RC_IN1
I
Rotary remote commander input pin (A/D input)
44
TEST
I
Test mode setting pin
Pin No.
Pin Name
I/O
Function