144MHz
FM
TRANSCEIVER
TH-
SOAVAT/
E
SERVICE
MANUAL
©
1993-10
PRINTED
IN
JAPAN
B51-8239-00
(B)
1408
KENWOOD
Knob
(ENCODER)
(K29-4875-14)
Antenna
(T90-0472-05)
Front
glass
(B10-1202-03)
Knob
(VOL)
(K29-4874-14)
Knob
(PTT)
Knob
(4
key)
(K29-4876-03)
(K29-4878-03)
3
:
am
—C
ase
assy
(oe
dare)
:
laevis
FM
TRANSCEIVER
TH-22E
(AQ2-
1763-03):
TH-22A
(A02-1
764-03):
TH-22AT
KENWOOD
_
Mem
(A02-1765-03):
TH-22E
Key
board
assy
(S79-041
2-05):
TH-22AT
Option
(DTP-2):
TH-22A/E
PHOTO
is
TH-22E
(WITH
DTP-2)
————
CONTENTS
——_—
DESTINATION
LIST...sssssssssssssssssssssssssssssesssesessersnenere
2
DISASSEMBLY
FOR
REPAIR
....ssssssssssssssssssssessssnsee
3
CIRCUIT
DESCRIPTION
....ssssssssossssssssssesssesserersserorsns
5
SEMICONDUCTOR
DATA.
csssscsssssssssessssccessnssesenseans
15
DESCRIPTION
OF
COMPONENTS.
.v.sssesssssssssssssses
22
PARTS
LIST
.ccccssssssssssssossssssesspsssssssssorssssasecaseessanenens
24
EXPLODED
VIEW
...sssssssssscsssssssssessessessssstsenssnsnsesnses
36
PACKING...
10.37
TERMINAL
FUNCTION
o.csccscsccscsscesseeseeseonrere
38
ADJUSTMENT
.scscsctectantenssctctntrtectenvestnesnsnene
40
PC
BOARD
VIEWS
VCO
UNIT
(X58-4090-00).....scsssssssssssssssssssssseesee
44
TX-RX
UNIT
(X57-437X-XX)
(C/4)scssseessssessssseseses
45
TX-RX
UNIT
(X57-437X-XX)
(D/4).sssssssssssssssssssse
46
TX-RX
UNIT
(X57-437X-XX)
(AVA)
sescsscssssssssssssrens
47
TX-RX
UNIT
(X57-437X-XX)
(B/A)
sssssscsssssssseseseeee
51
SCHEMATIC
DIAGRAM
....sccssssssssssssssssssssssssssssssrens
55
BLOCK
DIAGRAM
....sccscsssssssssssssssssssssorssssssssscseseees
59
LEVEL
DIAGRAM
...cscccossssssssssssessssesssesorsssesssssseeseees
OF
DTP-2
(DTMF
KEYPAD)
.cssssssssssssssssssssssssssssssssessenes
62
BC-17
(WALL
CHARGER)...
sessens
62
BT-9
(BATTERY
CASE)...
-
62
PB-30,
32
(STANDARD
BATTERY.
PACK)..
we
62
PB-33
(LONG
LIFE
BATTERY
PACK)
srcsecsosun..63
PB-34
(HIGH
POWER
BATTERY
PACK).
63
SC-37,
38,
39,
40
(SOFT
CASE)...
sesnaseeseees
63
SPECIFICATIONS
...ccssssssssssssssssessssesee
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COVER
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