Kenwood TK 2180 Service Manual

Page 1

VHF FM TRANSCEIVER

TK-21 80

SERVICE MANUAL

KENWOOD

© 200445 PRINTED IN JAPAN
351-8689-00 (N) 961

TK-2180 K TK-2180 K2

Helical antenna
(KRA-22 : Option)

Knob (CH selector)
IK29-9305-03I

Knob (VolumeI
(K29»9304-03)

Button knob (Side)
IK29-9303-03)

Front glass
(BIO-2752-22)

Knob (PTTI Packing

(G53-1599»0II

Packing
IG 53-1 598-01) IK29-9302-23)

Cabinet assy
(A02-3848»03I

Cabinet assy
(A02»3847-03I

Does not come with antenna.
Antenna is available as an option.

- CONTENTS

GENERAL .................. ...2
SYSTEM SET-UP ...2
REALIGNMENT ......... ...3
DISASSEMBLY FOR REPAIR ...5
CIRCUIT DESCRIPTION ............. ...7
SEMICONDUCTOR DATA ............ 13
COMPONENTS DESCRIPTION . .14
PARTS LIST ................................... 16
EXPLODED VIEW... ....25
PACKING ............... ....26
ADJUSTMENT ................. ....27
TERMINAL FUNCTION ...39
PC BOARD

DISPLAY UNIT IX54-3470-XX) ....42

TX-RX UNIT (X57-6930-10I ......... ...46
SCHEMATIC DIAGRAM

DISPLAY UNIT IX54-3470-XXI . .50

TX-RX UNIT (X57-6930-10I ......... ....52
BLOCK DIAGRAM ..... ....60
LEVEL DIAGRAM ...... ...62
OPTIONAL ACCESSORIES

KNB-31A/32N/33L ....63

KSC-32 ...................... ....63
SPECIFICATIONS ................. BACK COVER

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TK-218O

GENERAL/SYSTEM SET-UP

INTRODUCTION

SCOPE OF THIS MANUAL

This manual is intended for use by experienced techniA
cians familiar with similar types of commercial grade commua
nications equipment. It contains all required service informa-
tion 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 informa-
tion, 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 re
quired component for proper identification.

SYSTEM SET-UP

Merchandise received

PERSONNEL SAFETY

The following precautions are recommended for person-

nel safety:

0 DO NOT transmit until all RF connectors are verified seA
cure and any open connectors are properly terminated.

0 SHUT OFF and DO NOT operate this equipment near elec»
trical blasting caps or in an explosive atmosphere.

0 This equipment should be serviced by a qualified techni-
cian only.

SERVICE

This transceiver is designed for easy servicing. Refer to
the schematic diagrams, printed circuit board views, and
alignment procedures contained within.

C License and frequency allocated by FCC )

Frequency range (MHZ) RF power Type 12-key

TX/RX 136~174 5W TK-2180 K No

l
( Choose the type of transceiver )->

TX/RX 136~174 5W TK-2180 K2 Yes

( Transceiver programming ) A personal computer (IBM PC or compatible), programming

interface (KPG-36), and programming software (KPG-89D)
are required for programming.

(The frequency, and signalling data are programmed for the
transceiver.)

. . YES
( Are you usmg the optional antenna? )->

NO

KRA-22 or KRA-ZG
Helical antenna

(Option)

YES
C Are you using the speaker microphone? )->|

KMC-25 |

N0 (Option)

YES
(Are you using the voice guide & storage unit?)-~|

( Delivery )

VGS-I |

NO (Option)

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TK-218O

TERMINAL FUNCTION

Display unit (X54-3470-XX) Pin No. Name IIO Function
Pin No. I Name l/O Function 14 NC » Non connection
CN507 15 882 | Power input after power switch
1 SW2 0 Key matrix output (Side2 key) 16 NC - Non connection
2 K1 1 Key matrix input (Side key) 17 DGND - GND
3 GND - GND 18 LCDCS | LCD chip select input
4 PTT | PTT input 19 LCDRST | LCD reset input
5 SW1 0 Key matrix output (Side1 key) 20 5M 1 5V
CN508
1 NC - Non connection TX-RX unit (X57-6930-10)
2 V5 0 LCD driving voltage output Pin No.| Name lI/ol Function
3 Vss - GND CN400
4 V5OUT | Step up voltage input 1 881 | Power input after power switch
5 C2- - Step up capacitor connecting terminal 2 +8 0 Power output after passrng through the fuse
6 C2+ - Step up capacitor connecting terminal 3 EN3 1 Encoder pulse input
7 C1- - Step up capacitor connecting terminal 4 EN4 1 Encoder pulse input
8 C1 + - Step up capacitor connecting terminal 5 DGND - GND
9 Vci 0 Voltage converter power supply output 6 EN2 1 Encoder pulse input
10 VDD 0 LCD power supply output 7 EN1 1 Encoder pulse input
11 OSC1 - Non connection 8 DGND - GND
12 OSC2 » Non connection 9 VOL | Volume level input for audio control
13 RESET 0 LCD reset output 10 5M 0 5V
14 P/S 0 GND CN500
15 RS 0 Register select output 1 5M 0 5V
16 R/W 0 GND 2 LCDRST 0 LCD reset output
17 SCL 0 Serial clock output 3 LCDCS 0 LCD chip select output
18 SlO 0 Serial data output 4 DGND - GND
19 CS 0 Chip select output 5 NC - Non connection
20 V55 - 6 882 0 Power output after power switch
CN509 7 NC » Non connection
1 NC - Non connection 8 Kl2 | Key matrix 2 input
2 NC - Non connection 9 K11 | Key matrix 1 input
3 NC - Non connection 10 DATA 0 Serial data output
4 LCDRS | LCD RS input 11 CLK 0 Serial clock output
5 AGND - GND 12 SPSTB O Shift register storage enable output
6 ME - Internal microphone ground 13 PTT | PTT input
7 MIC 0 Internal microphone output 14 MIC | Internal microphone input
8 PTT O PTT output 15 ME - Internal microphone ground
9 SPSTB | Shift register storage enable input 16 AGND - GND
10 CLK | Serial clock input 17 LCDRS 0 LCD RS output
11 DATA | Serial data input 18 NC - Non connection
12 KM 0 Key matrix 1 output 19 NC » Non connection
13 Kl2 0 Key matrix 2 output 20 NC » Non connection

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