Read Sony CDX-C860 / CDX-C860RDS Service Manual online
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• IC501 µPD78058GC-451-3B9 (MAIN SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
RE1
I
Rotary encoder (VOLUME) input 1
2, 3
NIL
I
Connect to GND.
4
AVSS
—
GND for A/D conversion.
5
TIMPOL
I
Time poling with/without setting input (Connect to GND.)
6
NIL
I
CONTRAST select input
7
AVREF
—
Reference voltage for D/A conversion.
8
SQ SI
I
Sub Q data input
9
NIL
I
Connect to GND.
10
SQ CKO
O
Sub Q clock output
11
SRDT
I
Text data input
12
XMODE
O
CD-Text decoder Reset & Power down mode select
13
SCLK
O
Text data clock
14, 15
NIL
I
Connect to GND.
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
BUSON
O
BUS ON control output
21 – 23
NCO
—
Not used.
24
CDMON
O
CD mechanism power control output
25
CD ON
O
CD power control output
26
NIL
I
Connect to GND.
27
P ON
O
System power control output
28
NIL
I
Connect to GND.
29
ILL IN
I
Illuminator detection input
30
TEL-MUTE
I
Telephone mute detection input
31
SYSRST
O
System reset control output
32
TSTINO
I
Loading/Eject inhibit setting input
33
VSS
—
GND
34
CAUTION
I
Caution alarm initial setting input (Fixed at “L”.)
35
TV SEL
I
Connect to GND.
36
FBTOSEL
I
Connect to GND.
37
TEST
I
TEST mode direct setting
38
PW SEL
I
Power select initial setting
39
NOSESW
I
Detachable panel detection
40
A MUTE
O
Audio mute control output
41
NCO
—
Not used.
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 input
46
BEEP
O
Buzzer control output
47
CD LAT
O
CD signal process latch output
48
CD SO
O
CD signal process serial data output
49
CD CKO
O
CD signal process serial clock output
50
CD RST
O
CD signal process IC reset output
51
F OK
I
Focus OK signal detection input
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