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SPP-98/99
5-1. BLOCK DIAGRAM — BASE SECTION —
ANT1
TELESCOPIC
ANTENNA
RF AMP
BPF501
40
Q501
RF AMP
BPF601
Q601
RV601
POWER
LEVEL
SPP-99
POWER
CONTROL
Q906
Q904,905
CN901
RECHARGEABLE
REG
BATTERY
IC903
(BP-T16)
REG
D904
IC905
VOLTAGE
DET
B+
Q902,903
+5V REG
J901
IC901
DC IN 9V
CHARGE
REG
Q907
( CHARGE )
CHARGE
L. IN
Q909
CHARGE
DET
Q908
04
SECTION 5
DIAGRAMS
MIX, IF AMP, DET
IC501 ( 1/3 )
1st
2nd
2nd
1st
CF501
MIX
MIX
MIX
MIX IN
OUT
10.68MHz
IN
2nd
OUT
1st
38
36
MIX
MIX
RX
RX
LOCAL
VCO
PLL
OSC
43 44
42
46
3
4
L503
X501
RX VT
10.22MHz
D908
REG
+5V
IC904
OSC1
9
X801
4.048MHz
10
OSC2
TX POWER
+B TX
CONTROL
Q603
20
TX+B CTRL
VOLTAGE
RESET
2
DET
3
12
RESET
Q901
IC902
SYSTEM CONTROL
SWITCH
Q803
D841
D842
RESET
AC DET
14
Q801,802
SPP-99
D902
CHARGE
CHARGE DET
15
– 21 –
+5V
FL501
RX DISCRI
28
IF
AF
IN
OUT
CF502
32
34
DET
27
460kHz
24
RSSI
D-COMP
IN
TX
PLL
1
47
22
23
L602
RV501
TX VT
RSSI
Hi
TX VCO
Q602
RSSI CTRL
1
RX DATA
4
MUTE
7
TX DATA
6
CLK
17
DATA
PLL
18
STB
16
SIG DATA IN
19
DP
22
RING DET
15
COL1
23
MATRIX
COL2
24
D800,
COL3
25
D802,804
805,808
COL4
26
P
IC801
S801
S802
T
HANDSET
DIAL
LOCATOR
MODE
ROW1
27
ROW2
28
D810
POWER
POWER LED
30
+5V
EXPANDER
IC501 ( 2/3 )
PRE
EXP
RECE
IN
OUT
IN
R02
15
EXPANDER
17
18
20
MUTE
19
PRE
RX
R01
AMP
AMP
COMPRESSOR
IC501 ( 3/3 )
FIL
FIL
COMP
MIC
OUT
IN
OUT
IN
9
10
11
COMPRESSOR
14
MUTE
DATA LATCH
LIMITER
CONTROL
6 7 8
5
– 22 –
MJ701
LINE
D704
T701
SPEECH
PATH
AF AMP
PH702
Q703
Q702
LINE DET
SPEECH PATH
CONTROL
Q701
+5V
D706
PH701
LINE
RING DET
Signal path
: RX (From TEL LINE)
: RX (To TEL LINE)
: BELL
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