Sony CDX-CA530X User Manual

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CDX-CA400/CA530X/CA580X
3-1. IC PIN DESCRIPTION
• IC801 µPD780076GK-520-9ET (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Pin Description
1
PH1
I
PH1 detection input (Not used in this set.)
2
D SW
I
Down switch detection input
3
IN SW/PH2
I
Disc in switch detection input
4
LM LD
O
Loading motor drive output (Loading)
5
LM EJ
O
Loading motor drive output (Eject)
6
ATT
O
Line out mute control output
7
A ATT
O
Power amplifier mute control output
8
PLL DI
I
PLL IC data input
9
VSSO
Ground pin
10
VDDO
Power supply pin (+5 V)
11
PLL CLK
O
PLL IC clock output
12
PLL DO
O
PLL IC data output
13
PLL CE
O
PLL IC chip enable output
14
BEEP
O
BEEP output of key beep, caution alarm
15
L V CE
O
Electric volume, LCD chip enable output
16
L V DO
O
Electric volume, LCD data output
17
L V CLK
O
Electric volume, LCD clock output
18
BUS SI
I
BUS interface serial input
19
BUS SO
O
BUS interface serial output
20
BUS CLK
I
BUS interface serial clock input
21
BUS CK GEN
O
BUS interface serial clock output
22
AM ON
O
Tuner AM power supply control output
23
FM ON
O
Tuner FM power supply control output
24
VDD1
Power supply pin (+5 V)
25
AVSS
Ground pin
26
ST IND
I
FM stereo detection input
27
PH3
I
PH3 detection input (Not used in this set.)
28
S METER
I
S meter signal input
29
KEY0
I
A/D key input 0
30
KEY1
I
A/D key input 1
31
ROTARY (AD)
I
Not used in this set.
32
DST SEL
I
Destination select input (Connect to ground in this set.)
33
TEST
I
Force test mode input
34
AVREF
A/D converter power supply pin (+5 V)
35
LCD INH
O
INHIBIT control output of LCD
36
RESET
I
Reset input (“L”: reset detection)
37
XT2
O
Sub clock output (32.768 kHz)
38
XT1
I
Sub clock input (32.768 kHz)
39
IC
Connect to ground in this set.
40
X2
O
Master clock output (8.38 MHz)
41
X1
I
Master clock input (8.38 MHz)
42
VSS1
Ground pin
43
KEY ACK
I
Key acknowledge detection input
44
SIRCS
I
Wireless remote control signal input
45
SELF SW
I
Self switch detection input
46
BU IN
I
Backup power supply detection input
47
NOSE
I
Front panel attachment detection input
48
ILL ON
O
Illumination power supply control output
49
A REMO
O
External amplifier remote control output
50
CDM ON
O
CD mechanism deck power supply control output
51
XCD ON
O
CD DSP IC 16 MHz X’tal on/off control output
SECTION 3
DIAGRAMS