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Справочник Пользователя для Sony CA410

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XR-CA400/CA410
22
22
6-8.
IC  PIN  FUNCTION  DESCRIPTION
•
 MAIN BOARD  IC501  MN101C49KTC (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VREF–
I
Reference voltage (0V) input terminal (for A/D converter)
2
VSM
I
FM and AM signal meter voltage detection signal input from the FM/AM tuner unit (TU1)
(A/D input)
3
NIL
I
Not used (fixed at “L”)
4
KEYIN1
I
Key input terminal (A/D input) S907, S908, LSW905 to LSW915
(SEEK/AMS – 
. m, SEEK/AMS + > M, MBP, D-BASS D, DSPL, MTL PTY, TA, 
ATA 6, BL SKIP 5, SHUF 4, REP 3, 2 DISC +, 1 DISC– keys input)
5
KEYIN0
I
Key input terminal (A/D input) S901 to S906, LSW901 to LSW904 (OFF, SRC SOURCE, + 
(VOLUME), – (VOLUME), MODE 
o, SEL, Z, ATF, BTM SENS, AF keys input)
6
RCIN0
I
Rotary remote commander key input terminal (A/D input)
7
QUALITY
I
Noise level detection signal input at SEEK mode (A/D input)
8
MPTH
I
Multi-path detection signal input from the RDS decoder (IC51) (A/D input)
9
NIL
I
Not used (fixed at “L”)
10
VREF+
I
Reference voltage (+5V) input terminal (for A/D converter)
11
VDD
—
Power supply terminal (+5V)
12
OSCOUT
O
Main system clock output terminal (18.432 MHz)
13
OSCIN
I
Main system clock input terminal (18.432 MHz)
14
VSS
—
Ground terminal
15
XI
I
Sub system clock input terminal (32.768 kHz)
16
XO
O
Sub system clock output terminal (32.768 kHz)
17
MMOD
I
Selection signal of memory mode input terminal    “L”:single chip mode (fixed at “L”)
18
LCDSO
O
Serial data output to the liquid crystal display driver (IC901)
19
LCDCE
O
Chip enable signal output to the liquid crystal display driver (IC901)    “H” active
20
LCDCKO
O
Serial data transfer clock signal output to the liquid crystal display driver (IC901)
21 to 23
NCO
O
Not used (open)
24
SYSRST
O
Reset signal output to the SONY bus interface (IC581)    “L”: reset
25
BUSON
O
Bus on/off control signal output to the SONY bus interface (IC581)    “L”: bus on
26
KEYACK
I
Input of acknowledge signal for the key entry    Acknowledge signal is input to accept function 
and eject keys in the power off status    On at input of “H”
27
DAVN
I
Synchronized detection signal of RDS data block input from the RDS decoder (IC51)
“H” active
28
BUIN
I
Battery detection signal input from the SONY bus interface (IC581)  
“L” is input at low voltage
29
SIRCS
I
SIRCS remote control signal input terminal    Not used (open)
30, 31
NIL
I
Not used (fixed at “L”)
32
NIH
I
Not used (fixed at “H”)
33
RESET
I
System reset signal input from the reset signal generator (IC551) and reset switch (S551)
“L”: reset    “L” is input for several 100 msec after power on, then it changes to “H”
34
TUNON
O
Tuner system power supply on/off control signal output    “H”: tuner power on
35
BEEP
O
Beep sound drive signal output to the power amplifier (IC751)
36
PW_ON
O
Main system power supply on/off control signal output    “H”: power on
37
NCO
I
Not used (open)
38
ACCIN
I
Accessory detection signal input    “L”: accessory on
39
NCO
O
Not used (open)
40
TELATT
I
Telephone attenuate signal input    At input of “H”, the signal is attenuated by –20 dB
41
NIH
I
Not used (fixed at “H”)
42
BUSSO
O
Serial data output to the SONY bus interface (IC581)
43
BUSSI
I
Serial data input from the SONY bus interface (IC581)
Pin No.
Pin Name
I/O
Description
44
BUSCKO
O
Serial data transfer clock signal output to the SONY bus interface (IC581)
45
IIC SIO
I/O
Two-way data IIC bus with the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical
volume (IC331)
46
NCO
O
Not used (open)
47
IIC CKO
O
IIC bus clock signal output to the FM/AM tuner unit (TU1), RDS decoder (IC51) and electrical
volume (IC331)
48
AMPON
O
Standby on/off control signal output to the power amplifier (IC751)
“L”: standby mode, “H”: amplifier on
49
AMPATT
O
Muting on/off control signal output to the power amplifier (IC751)    “L”: muting on
50
ATT
O
Audio line muting on/off control signal output    “H”: muting on
51
NCO
O
Not used (open)
52
AMSON
O
Tape auto music sensor control signal output to the CXA2509AQ (IC301)
“L”: auto music sensor on
53
F/ROUT
O
Forward/reverse control signal output to the CXA2509AQ (IC301)
“L”: reverse direction, “H”: forward direction
54
MTLON
O
METAL on/off control signal output to the CXA2509AQ (IC301)    “H”: METAL on
55
TAPATT
O
Tape muting on/off control signal output to the CXA2509AQ (IC301)    “H”: muting on
Active at ATA, FF/REW mode
56
NCO
O
Not used (open)
57
AMSIN
I
Whether a music is present or not from CXA2509AQ (IC301) is detected at auto music sensor
“L”: music is present, “H”: music is not present
58
NCO
O
Not used (open)
59
VOLATT
O
Pre amplifier muting on/off control signal output to the electrical volume (IC331)
“L”: muting on
60 to 64
NCO
O
Not used (open)
65
FLASH_W
I
Internal flash memory data write mode detection signal input terminal    “L”: data write mode
Not used (open)
66
TESTIN
I
Setting terminal for the test mode    “L”: test mode, normally fixed at “H”
67
RCIN1
I
Rotary remote commander shift key input terminal    “L”: shift key on
68 to 73
NCO
O
Not used (open)
74
EEP SIO
I/O
Two-way data bus for tuner EEPROM with the FM/AM tuner unit (TU1)
75
EEP CKO
I/O
Two-way bus clock signal for tuner EEPROM with the FM/AM tuner unit (TU1)
76
COLSEL
I
Setting terminal for the illumination color
“L”: amber (XR-CA410: AMBER), “H”: green (XR-CA400/CA410: GREEN)
77 to 81
NCO
O
Not used (open)
82
AD ON
O
A/D converter power control signal output terminal
When the KEYACK (pin wh) that controls reference voltage power for key A/D conversion input
is active, “L” is output from this terminal to enable the input
83
ILLON
O
Power on/off control signal output of the illumination LED and liquid crystal display driver
(IC901)    “H”: power on
84
REL
I
Rotation detection signal input from supply reel sensor and take-up reel sensor on the mechanism
deck
85
POS3
I
86
POS2
I
87
POS0
I
88
POS1
I
89
LMLOD
O
Motor drive signal output to the loading motor drive (IC351)    “H” active
(For the loading direction and forward side operation)    *1
90
LMEJ
O
Motor drive signal output to the loading motor drive (IC351)    “H” active
(For the eject direction and reverse side operation)    *1
Tape position (EJECT/FF/REW/REV/
FWD mode) detect input from the tape
operation switch on the deck mechanism
POS3: “L”: REV and EJECT mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode