Alpine CDE-9821R, Service Manual

Page: 22 / 44

CDM-9823R/CDM-9823RR/CDE-9822RB/
CDE-9821R/CDE-9821RM
No. Symbol I/O Terminal Description
85 OUT REM ON(NC) - No connect terminal.
#1,$1,&1,#2 NC - No connect terminal.
%1 DIMMER IN I Outernal DIMMER detect signal input terminal.
87
I
97
98 RDS AUDIO(NC)
99 /A-MUTE O AUDIO MUTE signal output terminal. (L : MUTE ON)
100 GND - GND connect terminal.
NOTE : #1 : For CDM-9823R Model Only, $1 : For CDM-9823RR Model Only, %1 : For CDE-9822RB Model Only,
&1 : For CDE-9821R Model Only, #2 : For CDE-9821RM Model Only, Others : Common.
D789026GB :
IC703
No. Symbol I/O Terminal Description
1 SW-D I SW-D input terminal for mechanism control.
2 SW-C I SW-C input terminal for mechanism control.
3 SW-B I SW-B input terminal for mechanism control.
4 LODM-
5 LODM+
6 DR MUTE O Driver IC Mute control output terminal.
7
I
12
13 VPP - Pull-down connect terminal.
14 X2
15 X1
16 VSS0 - GND connect terminal.
17 VDD0 - VDD connect terminal.
18 /RESET I Host I/F RESET signal input terminal.
19 S-CONT O Servo power supply control output terminal.
20 NC(GND) - GND connect terminal.
21 SW-A I SW-A input terminal for mechanism control.
22 NC(GND) - GND connect terminal.
23 L-ZERO I DSP L-ch 0 data signal input terminal.
24 /CS I Host I/F communication start/end signal input terminal.
25 /STBY I Host I/F STBY signal input terminal.
26 CMD I Host I/F command input terminal.
27 STS O Host I/F status output terminal.
28 SCK I Clock input terminal for Host I/F communication.
29 NC(GND) - GND connect terminal.
30 /SRQ O Host I/F status request signal output terminal.
31 R-ZERO I DSP R-ch 0 data signal input terminal.
32 ZMUTE O Host I/F 0 data signal output terminal.
33 /XTALEN O DSP crystal OSC control output terminal.
34 SI O DSP serial data output terminal.
GND connect terminal.
- Crystal OSC connect terminal. (4.19MHz)
NC
NC(GND) -
86
- No connect terminal.
O Loading Motor control output terminal.
- 25 -
TO CONTENTS TO SCHEMATIC