Read Sony CDX-F5700 / CDX-F5700X / CDX-FW570 Service Manual online
17
CDX-F5700/F5700X/FW570
• IC600 MN101E01KDG (SYSTEM CONTROL) (MAIN BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
DAVDD
—
Power supply pin for D/A output converter (+3.3 V)
2
NCO
O
Not used in this set. (Open)
3
DAVSS
—
Ground pin for D/A output converter
4
UNISO
O
SONY-BUS data signal output
5
UNISI
I
SONY-BUS data signal input
6
UNICKO
O
SONY-BUS clock signal output
7, 8
RE 0, RE 1
I
Rotary encoder signal input
9
ILLIN
I
Illumination signal input for auto dimmer H: Ill off, L: Ill on
10
VDD1
—
Power supply pin for internal core (+3.3 V)
11
MMOD
I
Flash microcomputer write detection signal input
12
OSCOUT
O
High speed operation clock signal output (27.648 MHz)
13
OSCIN
I
High speed operation clock signal input (27.648 MHz)
14
VSS1
—
Ground pin for internal core
15
XIN
I
Low speed operation clock signal input (32.768 kHz)
16
XOUT
O
Low speed operation clock signal output (32.768 kHz)
17
VDD2
—
Power supply pin for internal core (+3.3 V)
18
MOD1
—
Pull up: “H”
19
RESET
I
Reset signal input
20
RCIN1
I
Rotary shift commander shift key signal input
21
ACC IN
I
Accessory power supply detection signal input
22
TEST IN
I
Test mode detection signal input
23
TEL ATT
I
Telephone attenuate detection signal input
24
ATT
O
Audio mute control signal output
25
ADON
O
A/D converter power supply control signal output
26
NCO
O
Not used in this set. (Open)
27
KEYACK
I
Key acknowledge detection signal input
28
TU ATTIN
I
Tuner mute ZERO cross detection signal input
29
CDON
I
CD mechanism servo power supply control signal input
30
CDMON
I
CD mechanism loading +6V power supply control signal input
31
BUIN
I
Back up power supply detection signal input
32 to 35
NCO
O
Not used in this set. (Open)
36
BUSON
O
BUS on signal output
37
SYSRST
O
System reset signal output
38 to 41
NCO
O
Not used in this set. (Open)
42
Z MUTE
I
CD mechanism zero cross mute detection signal input
43 to 48
NCO
O
Not used in this set. (Open)
49
ILL VSEL
O
Not used in this set. (Open)
50
BBE SEL
I
BBE with/without setting pin L: with, H: without Not used in this set. (Open)
51
AREASEL2
I
Destination function setting input 2 Not used in this set. (Open)
52
AREASEL1
I
Destination function setting input 1
53
AREASEL0
I
Destination function setting input 0
54 to 57
NCO
O
Not used in this set. (Open)
58
DOOR SW
I
Front panel open/close detection signal input “L”: Panel close, “H”: Panel open
59
DIAG
I
Condition signal input from the power IC
60
VOLATT
O
Electronic volume attenuate control signal output
61
NOSE SW
I
Front panel attachment detection signal input L: Panel on
62
AUX IN
O
AUX light change signal output L: AUX, H: BUS in
63
VSS2
—
Ground pin for I/O port
64
TU ATT
O
Tuner mute control signal output
65
NCO (TUON)
O
Not used in this set. (Open)
66
NS MASK
O
AEP, UK model: Noise mask signal output US, Canadian, E model: Not used. (Open)
67
E2P CKO
O
Serial clock signal output for EEPROM communication
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