Pin No.
Pin Name
I/O
Description
-33-
IC DESCRIPTION -1/3 (IC,M34513M2-420FP -1/1)
1
FAUL
I
AUDIO MUTE Active: H
2
RLY
O
RELAY SW Active: L
3
PWR
O
POWER LED Active: L
4
MUTE LED
O
Control of MUTE Light Emitting Diode. Active: L
5
SRSLED
O
Control of SURROUND Light Emitting Diode. Active: L
6
CLK
I
CLK (communication with a DVD microcomputer.)
7
RTRYA
I
Rotary encoder A ctive: L
8
RTRYB
I
Rotary encoder B Active: L
9
RESET
I/O
“The input-and-output terminal of a reset pulse. Under the system reset by the time of reset
generating by the watch dock timer, and the sag detection circuit L is outputted.”
10
CNVSS
-
It connects with Vss and this terminal surely impresses L.
11
XOUT
O
The output terminal of a system clock generating circuit.
12
XIN
I
The input terminal of a system clock generating circuit.
13
VSS
-
GND terminal.
14
VDD
-
Power supply supply terminal.
15
VDCE
I
“Operation or a stop of a sag detection circuit is controlled. H: Operation, L : stop”
16
TXD
I
TXD(Communication with a DVD microcomputer.)
17
RXD
O
RXD(Communication with a DVD microcomputer.)
18
KEY
I
KEY input
19
HPIN
I
Headphone detection input. Active: 2.5V UNDER
20
POWER DET
I
“For abnormal detection of a power supply circuit. ctive: 2.5V OVER”
21
BURST IN
I
For intermittent oscillation control of a power supply circuit Active: 2.5V OVER
22
PWR
O
SW for power supply circuits Active: L
23
SC
O
Communication with IC for volume control
24
SI
O
Communication with IC for volume control
25
WOOFER
O
SUB WOOFER SW Active: H
26
CLOCL
O
Communication with IC for SARAUNDO control
27
DATA
O
Communication with IC for SARAUNDO control
Communication with IC for SARAUNDO control
For intermittent oscillation control of a power supply circuit. Active: L
Control of BASS Light Emitting Diode. Active: L
Control of TREBLE Light Emitting Diode. Active: L
Control of TONE DEFEAT Light Emitting Diode. Active: L
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