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Kenwood TRC-70 Service Manual page 77

Ssb radiotelephone
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SPEAKER
TRC-70
BLOCK DIAGRAM
TRC-70
J3E USB, CWR, H3E : 10.6965MHz
J3E LSB : 10.6935MHz
[|
77
REF
30.-3MHz
ee
CONTROL
UNIT (X53-3280-21)
Al
A2
CAR
CWT : 10.6957MHz
EEE
quE=D
G@EEEEe=D
GED
ae
mi
utr Ee
oe
EE ===
owe
quae
—_
(F/6)
VOLUME
CLARIFIER
2$C2714(Y)
10.7MHz
SN1I6913P
30.685MHz
SN765144N
25C2714(Y)
2SC2714
"ST
a
UNLOCK —»] AMP
FILTER
e| MIX
MCF
we] MIX
be
AMP
be
e| AMP
—~
|
LCD
ASSY
ENCODER
EN2
p
40.72 ~
(C/6)
KEY
MATRIX
A200.
$200
EN1
375~395kHz
70.62MHz
_
UNLOCK
—_
|
ict
[~
Jes
ZN
ZN
LPF
SN16913P
LPF
|
esce7"s
t
ey
TT
TS
KEY
q
ALM
LS
:
y
Ss
ct
:
10.1MHz*
}
40,72~
54.6~
|
"
"
Q302
STT
54.6MHz
70.62MHz
_|
|
__
_-
Q304
DTC1I4 3EK
Q311
1C10
Q18
IC7
————
_
7
D/A
DTC114EK
Q303
DTA143
OB
M54459L
2SC2714(Y)
M54459L
BPF 1 y
BPF 29
Z1 X58-3720-10
DTAI43EK
EK
STR VSQ
"*S
"Sw
CP300
SW
>|
SW
SW
BZ
OM
UP
1/100
AMP
4/100
~
NT
|
DIMMER
NB2
DLY
DW
"SY
a
71.395~
78.295~
85.295~
93.295 ~
A
30°
'
'
(
|
78.295MHz
85.295MHz
93.295MHz
101.295MHz
4
DTD 123EK
IC 305
£N
ff]
|
59.3~
37,5~39.5MHz
M51951BML
0
59.7MHz
,
+
Q306,307
Ore 143 K
Z3
Q25
Z2
|
(104
Os
o SK SOBNV
Q308
X59 - 3440-00
FMU4
X¥59-—3440-00
2SK508NV
2SK508NV
2SK508NV
DTC114EK
RESET
OM A3EK
|
(K52)
(K52)
(K52)
(K52)
PLL DATA J vcog
AMP
VCO5
VCO1
VCO2
VCO3
VCO4
PD 0-7
PA 46
PB3
PCO
PBO
PAZ
PCO
RES
PA5
PA4
PB7
PC5
PC1 ANOPAO
PA2
AN6
as
PC2
PC3
PA1 ANY
AN7
V2
ee
ee
eee
PC4
& INT4
PAZ AN4
v1
Q22,23,24
Q15,16,17
Q10
Q5,6,7
[C300
CxD1095Q
cs be,
1C302
pPD78C10AG- 36
PBS
ete
2S$C3324(G)
2SC3324(G)
2$C2714(Y)
25C3324(G)
70
"CPU
PC6
PA6,7
EPs
PFO
PDO
Per
RB Ons
> EP
LPF
LPF
AMP
LPF
D10
PAO~2
PEO-3
AO~2-D0+7
x1
x2
|
~7
~7
STOP
AN2
AN3
OP
'
y
,
:
'
'
MU
ZN
3 | | 11-0592MHz
,
A
Sas
|
Qi4
Q29
APO
——
|
ee |
|—
——
| —
2SC2714
—_— —_—
i
|
TAIIGEK
,
cs
|
Y
4
i
'
~ |
Yty)!
I
D
cs
DATA
BUS
|
|
|
|
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Ese
oo
CAR CAR
|
1/N
el
pc
Pe ec-u
B-uw—1
Pc
be
4/N
|
AMP
4/N
pl
pc
[ —-a-u
Ast
ES1
ic3
LSB
LSB
Nl
|
|
uPC78NO5H
Z
.
|
|
:
;
~
BACK UP
nad
:
N=2036~3531
|
DECODER
LATCH
| N=29650 ~ 29850
|
|
N= 37500~
|
|
UN LOCK<——®
CB
AVR
F—* 5v
1C304
1C303
QSt2
|
|
39500
|
TC74HC138AF
TC74HC573AF
2sce7iaty)
|
|
|
| |
Y4
A,B,C
Q0~7
|
49
DTC114EK
Q308
'
Tcasssar
1/
4/505
|
O20 25C2712(Y)
y 2SD1624(S)
|
4
| |
Ic9
1/5050
|
40100
ICG
|
| 1c3
Q21
DTAI14EK
CXDIZ25M
CXD1225M
Lp«—j AVR
ADDRESS
BUS
|
|
'
|
|
'
CXDI2Z25M
|
|
.
ns
ae
rs
40. 1MHz
Lh
ee
A-U
B-U
C-U
ig!
iy!
yp PC73NO5H
04
Q2
Q3
Ic 2
AO
DBO
CE
AO~i3.
DBO~7
Q1
~10
~ 7
= PROM
8C —— »] AVR
By
25C2714(Y)
2SC2714(Y)
2SC2714(Y)
HD74LS 290FP
LPF
FMU 1
meee
IC 310
AMP
AMP
1/3
we ~
_»| AMP
esi
27C128-20
AMP
~
-
—~
MSM28C
416A —20RS
(A/6)
|
|
|
|
|
_
-
HET
71.395~
lo
78
_meap
ecpice h o n e
h

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