Diagrams; Ic Pin Description - Sony CDX-L300 Service Manual

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3-1. IC PIN DESCRIPTION

• IC801 µPD780024AGK-B40-9ET (SYSTEM CONTROLLER)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
TE
L 13942296513
23
24
25
26
27
28
29, 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
www
47
48
49
.
50
51
52
http://www.xiaoyu163.com
Pin Name I/O
D SW I Down switch detection input
IN SW I Disc in switch detection input
PH3 I PH3 detection input (Not used in this set)
LM LD O Loading motor drive output (Loading)
LM EJ O Loading motor drive output (Eject)
A ATT O Power amplifier mute control output
ATT O Line out mute control output
BEEP O BEEP output
VSSO — Ground
VDDO — Power supply pin (+5 V)
VOL CLK O Electric volume clock output
VOL DO O Electric volume data out output
VOL CE O Electric volume chip enable output
AM ON O Tuner AM power supply control output
FM ON O Tuner FM power supply control output
NOSE I Front panel attachment detection input
PLL DI I PLL IC data input
LCD DO O LCD data output
LCD CE O LCD chip enable output
LCD CLK O LCD clock output
PLL CLK O PLL IC clock output
PLL DO O PLL IC data output
PLL CE O PLL IC chip enable output
VDD1 — Power supply pin (+5 V)
AVSS — Ground
ST IND I FM STEREO detection input
FUN SEL I Function select input
S METER I S meter signal input
KEY0, 1 I A/D key input 0, 1
TEL ATT I Attenuator signal input
DST SEL I Destination select input
TEST I Force test mode input
AVREF — A/D converter power supply pin (+5 V)
AVDD — A/D converter power supply pin (+5 V)
RESET I Reset input
XT2 O Sub clock output (32.768 kHz)
XT1 I Sub clock input (32.768 kHz)
IC — Connect to Ground in this set.
X2 O Master clock output (8.38 MHz)
X1 I Master clock input (8.38 MHz)
VSS1 — Ground
KEY ACK I Key acknowledge detection input
SIRCS I SIRCS input
SELF SW I Self switch detection input
BU IN I Backup power supply detection input
AD ON O Key power supply control output
x ao
ILL ON O Illumination power supply control output
y
AMP ON O Amplifier remote power supply control output
i
CDM ON O CD mechanism deck power supply control output
XCD ON O CD DSP IC 16 MHz X'tal ON/OFF control output
TU ON O Tuner power supply control output
http://www.xiaoyu163.com
SECTION 3

DIAGRAMS

8
Q Q
3 6 7 1 3
u163
.
CDX-L300/L460X
2 9 9 4 2 8
Pin Description
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
19