7-16. Ic Pin Function Description - Sony XR-M510 Service Manual

XR-M510
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7-16. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC601 MB90574BPMT-G-257-BND (SYSTEM CONTROLLER)
Pin No. Pin Name
1 NC
2 AMSIN
3 AMSON
4 SP LATCH
5 ATT
6 SYSRST
7 N/R
8 VCC
9 NIL
10 E2PSIO
11 E2PCKO
12 FLS SI
13 FLS SO
14 BUS-ON
TE
L 13942296513
15
BEEP
16
TELATT
17 UNISI
18 UNISO
19 UNICKO
20 IFWIDTH
21, 22 NC
23 MTLOUT
24
SIRCS
25 DSPSI
26 DSPSO
27 DSPCKO
28 DSPPLL
29 DSPMST
30 SHIFT
31 VOLATT
32 TUATT
33 VSS
34 C
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35 DSPLAT
36 DSPRST
37 ANT CUT
.
38 DVCC
39 DVSS
38
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I/O
O Not used (open)
Whether a music is present or not from CXA2510AQ (IC401) is detected at auto music sensor
I
"L": music is present, "H": music is not present
Tape auto music sensor control signal output to the CXA2510AQ (IC401)
O
"L" is output to lower the gain for audio level at FF/REW mode
Serial data latch pulse output for spectrum analyzer section to the liquid crystal display drive
O
controller (IC607)
O Audio line muting on/off control signal output terminal "H": muting on
System reset signal output to the liquid crystal display drive controller (IC607) and SONY bus
O
interface (IC501) "L": reset
Forward/reverse direction control signal output to the CXA2510AQ (IC401)
O
"L": forward direction, "H": reverse direction
—
Power supply terminal (+5V)
I
Not used (fixed at "L")
I/O Two-way data bus for tuner EEPROM with the FM/AM tuner unit (TUX100)
I/O Two-way bus clock signal for tuner EEPROM with the FM/AM tuner unit (TUX100)
I
Flash memory write data input from the liquid crystal display drive controller (IC607)
O
Flash memory write data output to the liquid crystal display drive controller (IC607)
Bus on/off control signal output to the liquid crystal display drive controller (IC607) and SONY
O
bus interface (IC501) "L": bus on
O Beep sound drive signal output terminal
I Telephone detection signal input terminal At input of "H", the signal is attenuated by –20 dB
I Serial data input from the SONY bus interface (IC501)
O Serial data output to the SONY bus interface (IC501)
Serial clock signal output to the liquid crystal display drive controller (IC607) and SONY bus
O
interface (IC501)
O
Not used (open)
O Not used (open)
O METAL on/off control signal output to the CXA2510AQ (IC401) "H": METAL on
I
Sircs remote control signal input from the remote control receiver (IC900, 903)
I
Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
Pre amplifier muting on/off control signal output to the electrical volume (IC100)
O
"L": muting on
O
Muting on/off control signal output of the FM/AM tuner signal "L": muting on
— Ground terminal
—
Connected to coupling capacitor for the power supply
O
Not used (open)
O
Not used (open)
x ao
y
Tuner system power supply on/off control signal output terminal "H": tuner power on
O
i
Not used (open)
— Power supply terminal (+5V) (for D/A converter)
—
Ground terminal (for D/A converter)
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