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CN1
3
AUDIO RF IN/OUT
Q600
IC600
CN1
35
MIC 1 IN (X)
ATT
33
MIC 1 IN (G)
RV600
MIC 1
DEVIATION
Q400
IC400
CN1
28
CHU INCOM IN (X)
ATT
29
CHU INCOM IN (G)
RV400
INCOM 1
DEVIATION
CN1
+
11
CHU DATA IN
X850, IC851
Q850
OSC
LPF
IC852
Q800
CN1
AC/DC IN
14
LPF
COUNTER
TP701
Q701,
Q702,
IC15, D701
IC15, D702
CN1
+5 V
11
+ 5V OUT
REG
CN1
37
+ 9V IN
38
+ 9V IN
Q703,
TP703
IC15, D703
CN1
+ 7.5V
34
INCOM + 9V IN
REG
IC1 (2/2), C3
MUTING
CIRCUIT
CN1
24
MUTE OUT
Block Diagram
TP600
TP20
Q612
Q613
CF600
IC21
FREQ
6.2 MHz
+
AMP
DRIVER
MOD
BPF
LV600
6.2 MHz
FREQ ADJ
MUTE ON
TP400
Q404
Q405
CF400
+
FREQ
7.1 MHz
AMP
MOD
BPF
LV400
7.1 MHz
FREQ ADJ
INCOM MUTE ON
TP850
Q851
Q852
CF850
FREQ
5.6 MHz
AMP
MOD
BPF
LV850
5.6 MHz
FREQ ADJ
TP702
+7.5 V
+7.5 V
REG
IC1 (1/2), C1
IC2
MUTE ON
2
4
MUTING
CIRCUIT
INCOM +7.5 V
IC3
2
4
5-2
TR-92
TR-92
Block Diagram
IC50
CF600
IC22
FL50
3.0 MHz
4.5 MHz
IF
AMP
LPF
BPF
AMP
3.0 MHz
IC80
FM DEMOD
FL80
2.5 MHz
IF
AUDIO
DET
BPF
AMP
AMP
LV80
2.5 MHz
TUNE
IC100
CF100
T100, T101
FM DEMOD
CF101
Q100
4.3 MHz
TUNING
IF
QUAD
AUDIO
BPF
AMP
AMP
AMP
DET
T100
4.3 MHz
MUTE ON
TUNE
IC200
CF200
T200, T201
FM DEMOD
Q200
CF201
3.6 MHz
TUNING
QUAD
IF
AUDIO
BPF
AMP
AMP
DET
AMP
T200
3.6 MHz
TUNE
INCOM MUTE ON
5-2
TP50
FM DEMOD
Q50
IC52
AUDIO
LPF
DET
DETECTOR
AMP
LV50
TUNE
TP80
IC81
AMP
TP100
Q103
IC101
1
2
LPF
IC102
TP200
IC201
Q203
1
2
LPF
IC202
CN1
CCU DATA OUT
9
CN1
H CONT OUT
23
CN1
32
PGM OUT
CN1
CCU INCOM OUT
30
AUDIO MODURATOR
AUDIO DEMODURATOR
DATA MODURATOR/DEMODURATOR
TR-92
LOT NO. 512-
BKP-590
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