CDX-C560RDS - Sony Car Audio Service Manual (repair manual). Page 25

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PD78058G (MAIN SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1 – 3
DB1 — 3
O
D-BASS select control output
4
AVSS
GND for A/D conversion.
5
TIMPOL
I
Time poling with/without setting input
6
ILL-IN
I
Illuminator detection input
7
AVREF
Reference voltage for D/A conversion.
8
SQ SI
I
SUBQ data input
9
NIL
Connect to GND.
10
SQ CKO
O
SUBQ clock output
11
NIL
Fixed at “H” (AEP, UK model) or “L” (German model).
12
LCDSO
O
LCD serial data output
13
LCDCKO
O
LCD serial clock output
14
LCD-CE
O
LCD serial chip enable output
15
COLOR
O
Illuminator color select control output
16
UNI-SI
I
Serial data input
17
UNI-SO
O
Serial data output
18
UNI-CKI
I
Serial clock input
19
UNI-CKO
O
Serial clock output
20
BUS-ON
O
BUS ON control output
21
DIMMER
O
DIMMER control output
22
NCO
Not used.
23
ILLON
O
Illuminator power control output
24
CDMON
O
CD mechanism power control output
25
CD ON
O
CD power control output
26
NCO
Not used.
27
PW ON
O
System power control output
28
SYS RST
O
System reset control output
29
VOLSO
O
Electric volume serial data output
30
VOLCKO
O
Electric volume serial clock output
31
VOLCE
O
Electric volume serial chip enable output
32
TSTIN0
I
Load/Eject inhibit setting input
33
VSS
GND for microcomputer.
34
ACC IN
I
Accessory power voltage detection input
35
TEL.MUTE
I
Telephone mute detection input
36
TBTGSEL
I
CD tracking balance/tracking gain automatic adjustment select input
37
TEST
I
TEST mode direct setting
38
PW SEL
I
Power select initial setting
39
NOSE-SW
I
Detachable panel detection
40
A MUT
O
Audio mute control output
41
AMPMUTE
O
Power amplifier mute control output
42
AD ON
O
Power control output for A/D conversion.
43
LD ON
O
Laser ON/OFF control output
44
EMPH O
O
Emphasis control output
45
L SW
I
Sled limit switch
46
BEEP
O
Buzzer control output
47
CD LAT
O
CD signal processing latch output
48
CD SO
O
CD signal processing serial data output
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