Kenwood TK-8102 User manual

© 2001-5 PRINTED IN JAPAN
B51-8585-00 (S)283
UHF FM TRANSCEIVER
TK-8102
SERVICE MANUAL
Panel assy
(A62-0942-03)
Front glass
(B10-2668-03)
Cabinet
(A01-2178-02)
Key top
(K29-9065-01)
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TK-8102
2
CONTENTS / GENERAL
GENERAL
INTRODUCTION
SCOPE OF THIS MANUAL
This manual is intended for use by experienced techni-
cians familiar with similar types of commercial grade com-
munications equipment. It contains all required service in-
formation for the equipment and is current as of this publica-
tion date. Changes which may occur after publication are
covered by either Service Bulletins or Manual Revisions,
which are issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment informa-
tion, the full part identification number should be included.
This applies to all parts : components, kits, and chassis. If
the part number is not known, include the chassis or kit
number of which it is a part and a sufficient description of
the required component for proper identification.
PERSONNEL SAFETY
The following precautions are recommended for person-
nel safety :
• DO NOT transmit if someone is within two feet (0.6
meter) of the antenna.
• DO NOT transmit until all RF connectors are secure and
any open connectors are properly terminated.
• SHUT this equipment when near electrical blasting caps
or while in an explosive atmosphere.
• All equipment should be properly grounded before
power-up for safe operation.
• This equipment should be serviced by only qualified tech-
nicians.
PRE-INSTALLATION CONSIDERNATIONS
1. UNPACKING
Unpack the radio from its shipping container and check
for accessory items. If any item is missing, please contact
KENWOOD immediately.
2. LICENSING REQUIREMENTS
Federal regulations require a station license for each ra-
dio installation (mobile or base) be obtained by the equip-
ment owner. The licensee is responsible for ensuring trans-
mitter power, frequency, and deviation are within the limits
permitted by the station license.
Transmitter adjustments may be performed only by a li-
censed technician holding an FCC first, second or general
class commercial radiotelephone operator’s license. There
is no license required to install or operate the radio.
CONTENTS
GENERAL ................................................................. 2
OPERATING FEATURES ......................................... 4
REALIGNMENT........................................................ 7
DISASSEMBLY FOR REPAIR .................................. 9
CIRCUIT DESCRIPTION ......................................... 10
SEMICONDUCTOR DATA ..................................... 15
DESCRIPTION OF COMPONENTS ....................... 16
PARTS LIST ............................................................ 18
EXPLODED VIEW ................................................... 24
PACKING ................................................................. 25
ADJUSTMENT ........................................................ 26
PC BOARD VIEWS
DISPLAY UNIT (X54-3340-20) ........................... 31
TX-RX UNIT (X57-6300-20) ............................... 33
SCHEMATIC DIAGRAM ......................................... 39
BLOCK DIAGRAM................................................... 43
LEVEL DIAGRAM.................................................... 45
TERMINAL FUNCTION .......................................... 47
SPECIFICATIONS.................................BACK COVER
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ABCDE F GH I J K LMNOPQRS
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2
TK-8102
PC BOARD VIEW
32
31
DISPLAY UNIT (X54-3340-20) Component side view + Foil side view
.oN.feRsserddA
1QJ4
2QF5
3QI6
4QH5
5QK4
6QG5
7QK6
8QI5
9QC5
01QC5
1DL7
2DH7
3DN4
4DE4
5DK4
6DK4
7DG6
8DI6
9DJ6
01DL6
11DH4
21DH4
DISPLAY UNIT (X54-3340-20)
Foil side view
.oN.feRsserddA
1QJ11
2QF01
3QI01
4QH11
5QK11
6QG01
7QK01
8QI11
9QC11
01QC01
1DL9
2DH9
3DN21
4DE21
5DK21
6DK11
7DG01
8DI01
9DJ01
01DL01
11DH11
21DH21
DISPLAY UNIT (X57-3340-20)
Component side view
POWER
D4
UP
DOWN
D7
12 3 4
D2
D8 D9 D10
D1
PROG
D3
MONI
D5
D6
D12
D11
J1
J72-0790-02
POWER
D4
UP
DOWN
D7
12 3 4
D2
D8 D9 D10
D1
PROG
D3
MONI
D5
D6
D12
D11
J1
J72-0790-02
8
8
4
4
1
1
5
5
C17
Q10
Q2 Q6
Q4
Q8
Q1
Q5
R14
R9
R10
C11
C10
R13
R7
R8
C16
R6 R5 R4 R3 R2 R1
C4
CN1
R15
Q9
C13
C12 C9 C8
CP4
CP3
Q3
Q7
R11
R12
C15 C14
1
23
PSB
KMO2
KMO1
KMI4
KMI3
KMI2
KMI1
CM
LEDC4
LEDC3
MICBL
LEDG
LEDR
LEDC2
LEDC1
LEDPF
LEDMON
POWER
MIC
ME
HOOK
PTT
GND
C17
Q10
Q2 Q6
Q4
Q8
Q1
Q5
R14
R9
R10
C11
C10
R13
R7
R8
C16
R6 R5 R4 R3 R2 R1
C4
CN1
R15
Q9
C13
C12 C9 C8
CP4
CP3
Q3
Q7
R11
R12
C15 C14
1
23
GND
PTT
HOOK
ME
MIC
POWER
LEDMON
LEDPF
LEDC1
LEDC2
LEDR
LEDG
MICBL
LEDC3
LEDC4
CM
KMI1
KMI2
KMI3
KMI4
KMO1
KMO2
PSB
Component side
Foil side
Component side
Foil side
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