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5-11. SCHEMATIC DIAGRAM – HAND MAIN Section – •
HAND MAIN BOARD
1. 9
0 .7
3
2 .9
0.9
0. 7 0 . 7
1 6
1 5
1 4
1 3
12
11
1
2
3
4
5
6
3
2 .5
2.7
3
2. 6
2.6
1
B +
1
5
BPF
2
4
3
2
BPF
1
3
3
(Page 25)
IF
6
G N D
L O
H A N D R F
B O A R D
G N D
B +
T X
M OD
(Page 25)
4
H A ND R F
A N T
B O A R D
G N D
V C C
5
L E
D A T A
H A N D RF
B O A RD
C L K
(Page 25)
B +
B +
3.6
0
C H A R G E
T E R M I N A L
B +
RE CH A RG E A B L E
B A T T E R Y P A C K
( B P - T 2 3 )
D C 3 . 6 V 6 0 0 m A
See page 24 for Waveforms.
•
See page 28 for IC Block Diagrams.
1.7
0.8
0.2
1
1 0
9
7
8
2 . 6
3
B +
B +
B +
2.2
3
3
3
0
0
D TMF
3.2
RE SE T
MO D0
MO D1
1.2
X 0
2
1.5
X 1
3.2
VC C
B +
X 0A
X 1A
N C
0
TX MU TE
0
RX MUT E
3.2
0 .2
B +
B+
3 .2
B+
0
1.3
3 .2
3.6
3 .6
3
2
1
5
4
V RE F
G ND
CON T
VD E T2
VIN 2
V O UT
V IN
VD E T1
V SS
4
5
1
2
3
3
3. 6
3.6
B +
3 .6
B+
0. 6
1.6
1.7
0
0
0
1 .7
1.7
1 2 1 1 10
9
8
7
6
5
4
3
2
1
1 3 1 4 15 16 17 18 19 20 21 22 23 24
3
0
0
0
0
0
0
0
0
0
0
1.9
0 .4
0 . 6
VO L
H
M
L
0
0
0
0
3 .6
C HG I N
B+
3 .6
B AT T L O W
3 .2
C OL 1
3 .2
C OL 2
0
C OL 3
3 .2
C OL 4
3 .2
C OL 5
3. 6
B AT T O FF
WA K EU P
3 . 2
ST PC NT
0
RO W1
0
0
0
3.5
2.8
3.6
B+
27
27
B+
3.6
3 .6
0
0
0
1
B+
0
3.6
0
0
F LASH
1
2 ABC
3 DEF
TALK
PGM
4 GHI
5 JKL
6 MNO
OFF
SPEED DIAL
7 PQ RS
8 T UV
9 WXYZ
CHANNEL
REDIAL
TONE
0 OPER
#
SPP-904
B+
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