40
40
1
2
3
4
5
6
7
8
LOW
FREQ.
OSC
HIGH
FREQ.
OSC
POWER
SUPPLY
WITH
HYSTERESIS
AMP
VCC
RSL
LFI
LFO
OUT
HFI
HFO
GND
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
10
38
37
36
35
34
32
33
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
1st
MIXER
2nd
MIXER
BATTERY
ALARM
DATA
LATCH
CONTROL
LIMITER
EXPANDER
COMPRESSOR
IF AMP
QUOD
LACHA
DETECT
LPF
NOISE
FILTER
DATA
COMPARATOR
RSSI
RECEIVE
AMP
E-MUTE
C-MUTE
MIC
AMP
PRE AMP
SPLATTER
2nd
LOCAL
TX
PLL
RX
PLL
RX
VCO
VREF
VCC2
C-RECT
VCC3
E-RECT
N-REC
VCC1
GND1
C-NF
1
44
43
42
41 40 39 38 37
36
35
34
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12
13
14
15 16 17 18
19 20
21
22
DYNAMIC
LIMITER
STARTER
SWITCH
AGC
LINE CURRENT
DETECTION
LOW VOLTAGE
BEHAVIOUR
TX AND RX
ENVELOPE
AND
NOISE
DETECTORS
ANALOG
MULTIPLEXER
CONTROL
ATT.
ATT.
POWER-DOWN
CURRENT
SOURCES
ESI
RENV
DLC
RSEN
RNOI
TSEN
TENV
TNOI
HFRX
AUXO
TXAUX
RAUX
AUXC
HFC
HFTX
GARX
RECO
QR
DTMF
MIC+
MIC-
GNDTX
TXIN
GATX
TXOUT
IDT
SWT
VOL
VBB
GALS
LSAO
GND
SLPE
LN
REG
IR
AGC
VDD
MICS
ST
AB
SWR
MUTR
MUTT
PD
BUFFERS
AND
COMPARATORS
DUCO
LOGIC
SWT
STATUS
VOICE
SWITCH
VOLUME
CONTROL
TAIL
CURRENTS
FOR PREAMPS
SUPPLY
MANAGE-
MENT
D6
+
• IC Block Diagrams
IC1
TB31224F (HAND MAIN board)
IC101
BA8206F-E2 (BASE MAIN board)
IC103
TEA1099H/C1.551 (BASE MAIN board)
