Sony CDX-M610 Service Manual page 32

CDX-M610
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• IC801 MB90574BPMT-G-260-BND (SYSTEM CONTROL)
Pin No. Pin Name
1 (NCO)
2 (AMSIN)
3 (AMSON)
4 SP LATCH
5 ATT
6 SYSRST
7 (N/R)
8 VCC
9 (NCO)
10 E2PSIO
11 E2PCKO
12 FLS SI
13 FLS SO
14 BUS-ON
15 BEEP
16 TELATT
17 UNISI
18 UNISO
19 UNICKO
20 IFWIDTH
21, 22 (NCO)
23 (MTLOUT)
24 SIRCS
TE
L 13942296513
25 DSPSI
26 DSPSO
27 DSPCKO
28 (DSPPLL)
29 DSPMST
30 SW SHIFT
31 VOLATT
32 TU ATT
33 VSS
34 C
35 DSPLAT
36 DSPRST
37 SHIFT
38 DVCC
39 DVSS
40 FP CTRL
41 (NCO)
42 AVCC
43 AVRH
44 AVRL
45 AVSS
46, 47 KEYIN0, 1
48 RCIN0
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49 (NCO)
50 QUALITY
51 FM AGC
.
52 MPTH
53 VSM
32
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I/O
O Not used. (Open)
I Inter-music detection input ("H": inter-music) (Fixed at "L" in this set.)
O AMS sens select output (Not used in this set.)
O Spectrum analyzer display data latch signal output to display micon.
O System attenuate control output
O Resetting for slave micon of SONY BUS system.
O Forward/Reverse select output ("L": forward, "H": reverse) (Not used in this set.)
— Power supply pin (+5 V)
O Not used. (Open)
I/O Tuner EEPROM communication input/output
I/O Tuner EEPROM communication input/output
I Flash micon write data input
O Flash micon write data output
O BUS ON output
O Beep output
I Telephone mute input ("H": mute ON)
I SONY BUS serial data input
O SONY BUS serial data output
O SONY BUS serial clock output
O Not used. (Open)
O Not used. (Open)
O Tape metal signal output ("H": metal) (Not used in this set.)
I Wireless remote data input
I Digital signal processor serial data input
O Digital signal processor serial data output (Not used in this set.)
O Digital signal processor clock output (Not used in this set.)
O Not used. (Open)
O Digital signal processor master slave control output (Not used in this set.)
O Tuner SW (Short Wave) signal output ("H": SW signal receipt) (Not used in this set.)
O Electronic volume mute output ("L": mute ON)
O Tuner mute output ("H": mute ON)
— Ground
— Power stabilization capacitor pin
O Digital signal processor latch output (Not used in this set.)
O Digital signal processor reset output (Not used in this set.)
O DC/DC converter oscillation frequency shift output ("H": shift output)
— VREF input of D/A converter.
— Ground of D/A converter.
O Front panel OPEN/CLOSE motor voltage control output
O Not used. (Open)
— Analog power supply pin (+5 V)
— VREF+ input of A/D converter. (+5 V)
— VREF– input of A/D converter.
— Analog ground
I Key input 0, 1
I Rotary commander input 0
— Not used. (Open)
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I Noise detection input (Not used in this set.)
y
I FM suppression level detection input
i
I Tuner multi path detection input
I S-meter voltage detection input
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2 9
8
Pin Description
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9