Table of Contents
Advertisement
CIRCUIT
DESCRIPTION
*
1.
OGM & ICM RECORD
SYSTEM)
START
<
>
3 sec.
BLANK
OGM
c
Max 16 sec.
OGM RECORD
HO'M E
POSITION
MICRO-CASSETTE
TAPE
3 sec.
BLANK
I
I
I
—.
Jiv
2. TELEPHONE
ANSWERING
SYSTEM
MODE
~
-
1
sec.
t
—
—
I
<
Max 180 sec.
ICM
RECORD
-
1
sec.
6
Max 180 sec.
ICM
RECORD
[
=++
1
sec.
t
BEEP SOUND RECORD
+
Note : See circuit diagram or schematic diagram.
IC401
LC66512B
IC702
LA2805M
Jo.
CONTROL
OUTPUT
CONTROL
OUTPUT
CONTROL
SWITCHES
TAS MODE
13 14 15 16 20 24 23 22
19
Sw Sw Sw Sw Sw Sw Sw Sw Sw Sw Sw
DO
D1
D2 DO D1 D2 MUTE
1
2
3
4
5
6
7
8
9
10
11
1
OGM REC (BASE-STATION)
L
-
H
H
L
L
H
L
L
o
0
1
0
0
0
0
0
0
1
0
2
OGM REC (HANDSET)
H
L
L
-
L
H
L
L
L
o
0
0
1
0
0
0
0
0
1
1
3
OGM PLAY (SPEAKER)
H
L
L
-
L
H
L
L
L
o
0
0
1
0
0
0
0
0
1
1
4
OGM PLAY (TEL LINE)
H
H
L
-
L
H
L
L
L
o
0
0
1
0
0
0
1
0
1
1
5
OGM SAVE (IC + TAPE)
H
H
L
-
H
H
L
H
L
o
0
0
1
1
0
1
1
1
1
1
6
OGM LOAD (TAPE - IC)
L
-
L
-
H
L
L
H
L
o
1
0
0
0
0
0
0
0
1
1
7
ICM REC
H
H
H
H
H
H
H
H
L
1
0
0
0
1
0
1
0
0
1
1
8
MEMO PLAY (BASE-STATION)
L
-
H
H
H
L
H
H
L
o
0
1
0
1
0
1
0
0
1
0
9
MEMO PLAY (HANDSET)
H
H
L
-
H
H
L
H
L
o
0
0
0
1
0
1
1
1
1
1
10
ICM & MEMO PLAY (SPEAKER)
L
-
L
-
H
L
L
H
L
o
1
0
0
0
0
0
0
0
1
1
11
ICM & MEMO PLAY (TEL LINE)
H
L
L
-
H
H
L
H
L
o
1
0
0
0
0
0
1
0
1
1
12
ICM & MEMO PLAY
L
-
L
-
H
L
L
H
L
o
1
0
0
0
0
0
0
0
1
1
(BASE-STATION ~ HANDSET)
13
BEEP REC
H
H
L
-
H
H
L
H
L
o
0
0
1
1
0
1
1
1
1
1
14
ROOM MONITOR
L
-
H
L
L
L
H
L
L
o
0
1
0
0
0
0
1
0
1
0
H : HIGH
DO, D1
L : LOW
H : 3.5-4.2V
M:2
-
2.8V
0: SWITCH
"OFF"
-: LOW or HIGH
L: O-
O.8V
1 : SWITCH
"ON"
Advertisement
Table of Contents
Troubleshooting
