KENWOOD TK385 Service Manual

Cover page of KENWOOD TK385 Service Manual

Service Manual for KENWOOD TK385, downloadable as a PDF file.

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background image
UHF FM TRANSCEIVER / rec=cj=
TK-385
© 2000-8 PRINTED IN JAPAN
B51-8543-00(S) 666
SERVICE MANUAL /
!
GENERAL ................................................................................. 2
SYSTEM SET-UP ..................................................................... 3
OPERATING FEATURES ......................................................... 4
REALIGNMENT ........................................................................ 6
CIRCUIT DESCRIPTION ........................................................ 10
SEMICONDUCTOR DATA ..................................................... 21
DESCRIPTION OF COMPONENTS ....................................... 24
PARTS LIST ............................................................................ 26
EXPLODED VIEW .................................................................. 34
PACKING ................................................................................ 35
ADJUSTMENT ........................................................................ 36
TERMINAL FUNCTION .......................................................... 53
PC BOARD VIEWS
DISPLAY UNIT (X54-3210-12) .......................................... 55
TX-RX UNIT (X57-6203-01) .............................................. 61
SCHEMATIC DIAGRAM ......................................................... 67
BLOCK DIAGRAM .................................................................. 71
LEVEL DIAGRAM ................................................................... 73
OPTIONS ................................................................................ 74
SPECIFICATIONS .................................................................. 76
CONTENTS
CAUTION
When using an external power connector, please use with maximum
final module protection of 9V.
!"#$%&'(
!"#$%&'()* Vs
Helical antenna
(T90-0735-05)
Panel assy
(A62-0535-04)
Knob (PTT etc)
(K29-5157-03)
Cabinet assy
(A02-2055-53)
(16 keys)
Badge
(B43-1106-14)
Knob (VOL)
(K29-5231-03)
Knob (ENC)
(K29-5232-03)
Packing
(G53-0896-02)
(16 keys)
background image
UHF FM TRANSCEIVER / rec=cj=
TK-385
© 2000-8 PRINTED IN JAPAN
B51-8543-00(S) 666
SERVICE MANUAL /
!
GENERAL ................................................................................. 2
SYSTEM SET-UP ..................................................................... 3
OPERATING FEATURES ......................................................... 4
REALIGNMENT ........................................................................ 6
CIRCUIT DESCRIPTION ........................................................ 10
SEMICONDUCTOR DATA ..................................................... 21
DESCRIPTION OF COMPONENTS ....................................... 24
PARTS LIST ............................................................................ 26
EXPLODED VIEW .................................................................. 34
PACKING ................................................................................ 35
ADJUSTMENT ........................................................................ 36
TERMINAL FUNCTION .......................................................... 53
PC BOARD VIEWS
DISPLAY UNIT (X54-3210-12) .......................................... 55
TX-RX UNIT (X57-6203-01) .............................................. 61
SCHEMATIC DIAGRAM ......................................................... 67
BLOCK DIAGRAM .................................................................. 71
LEVEL DIAGRAM ................................................................... 73
OPTIONS ................................................................................ 74
SPECIFICATIONS .................................................................. 76
CONTENTS
CAUTION
When using an external power connector, please use with maximum
final module protection of 9V.
!"#$%&'(
!"#$%&'()* Vs
Helical antenna
(T90-0735-05)
Panel assy
(A62-0535-04)
Knob (PTT etc)
(K29-5157-03)
Cabinet assy
(A02-2055-53)
(16 keys)
Badge
(B43-1106-14)
Knob (VOL)
(K29-5231-03)
Knob (ENC)
(K29-5232-03)
Packing
(G53-0896-02)
(16 keys)
background image
TK-385
2
INTRODUCTION
SCOPE OF THIS MANUAL
This manual is intended for use by experienced technicians
familiar with similar types of commercial grade communications
equipment. It contains all required service information for the
equipment and is current as of the publication date. Changes
which may occur after publication are covered by either Service
Bulletins or Manual Revisions. These are issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment information,
the full part identification number should be included. This
applies to all parts : components, kits, or 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 personnel
safety:
q
DO NOT transmit until all RF connectors are verified secure
and any open connectors are properly terminated.
q
SHUT OFF and DO NOT operate this equipment near
electrical blasting caps or in an explosive atmosphere.
q
This equipment should be serviced by a qualified technician only.
SERVICE
This radio is designed for easy servicing. Refer to the
schematic diagrams, printed circuit board views, and alignment
procedures contained within.
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GENERAL /
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TK-385
3
SYSTEM SET-UP /
Merchandise received
Choose the type of transceiver
Transceiver programming
Delivery
Are you using the speaker microphone?
TX/RX
4.0W
TK-385 C
Frequency range (MHz) RF power
Type
A personal computer (IBM PC or compatible), programming
interface (KPG-36), and programming software (KPG-62D CPS)
are required for programming.
(The frequency, conventional system features, TX power HI/LOW,
and signalling data are programmed for the transceiver.)
YES
NO
KMC-25
Speaker microphone
(Option)
350~390
Unit
Model &
TX-RX unit
Display unit
Frequency range
Remarks
Charger
Battery
destination
TK-385
C
X57-6203-01
X54-3210-12
350~390MHz
IF1 : 44.85MHz
OP
OP
LOC : 44.395MHz
SYSTEM SET-UP /
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TK-385
4
OPERATING FEATURES /
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1. Operation Features
The TK-385 is a UHF FM Radio designed in both Trunking
Mode and Conventional Mode.
2. Transceiver Controls and Indicators
2-1. Physical Layout
2-2. Panel controls
The key on the top and front panel is momentary-type push
buttons. The functions of these keys and knob are explained
below.
1 Antenna connector
Connect the antenna here.
2 Rotary encoder
3 POWER switch/ VOLUME control
Turn clockwise to switch ON the transceiver. Rotate to
adjust the volume. Turn counterclockwise fully to switch
OFF the transceiver.
4 Auxiliary (orange) key
5 Battery pack release latch
Pull back on this latch to release the battery pack.
6 Clear key
7 PTT (Push-To-Talk) switch
8 Call key
9 Transmit/ Receive indicator
0 A key
- B key
=
2 C key
~ D
3 key
! DTMF keypad
@ Universal connector
Connect the (optional KMC-25) speaker/ microphone here.
Otherwise, keep the supplied cover in place.
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TK-385
5
2-3. Key functions
Trunking mode
2 Rotary encoder
Rotate this encoder to select your desired call address
(voice calls) or status (status calls).
4 Auxiliary (orange) key (default setting: None)
Press to activate its auxiliary function.
6 Clear key
Press to end the current call.
7 PTT (Push-To-Talk) switch
Press to transmit. Also press to initiate a call if "PTT to
Initiate Call" has been programmed.
8 Call key
Press to call the displayed call address.
9 Transmit indicator
Lights red while transmitting.
0 A key (default setting: Status/ Stack)
Press to activate its auxiliary function.
- B key (default setting: Function Menu)
Press to activate its auxiliary function.
=
2 C key (default setting: Conventional)
Press to activate its auxiliary function. Also press to scroll
left while viewing stack entries.
~ D
3 key (default setting: Scan)
Press to activate its auxiliary function. Also press to scroll
right while viewing stack entries.
! DTMF keypad
Press to input a call address or dialing function.
Conventional mode
2 Rotary encoder
Rotate this encoder to select your desired channel.
6 Clear key
Press to return to Trunking mode.
7 PTT (Push-To-Talk) switch
Press this switch, then speak into the microphone to call a
station.
8 Call key
Press to turn the monitor function ON in order to monitor
your selected channel.
9 Transmit/ Receive indicator
Lights green while receiving a signal. Lights red while
transmitting.
0 A key
Press to turn the display and keypad backlight ON.
The backlight remains ON for 5 seconds.
- B key
Press to add/delete channel(s) to/from Scan list.
~ D
3 key
Press to turn Scan ON (or OFF).
OPERATING FEATURES /
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