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Kenwood T-93 User Manual

Kenwood T-93
40 pages
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FM/AM
STEREO
SYNTHESIZER
TUNER
T-93/93L
KENWOOD
SERVICE
MANUAL
(©1989-8
PRINTED
IN
JAPAN
B51-3958-00(T)
1702
Metallic
cabinet
(AQ1-)*
Panel
(A20-)*
Front
glass
Foot
(Front)
(B10-1033-03)
(JO2-1040-05)
x
2
Power
cord
bushing
(J42-0083-05)
Miniature
phone
jack
(SYSTEM
CONTROL)
(E11-0188-05)
Phono
jack
(OUTPUT)
(E13-0249-05)
CAUTION.
ATTENTION
KENWOOD
CORPORATION
BOOK
MAE
2S
JAPAN
Foot
(Rear)
pa
a
a
cord
(JO2-0366-15)
x
2
Lock
terminal
board
(ANTENNA)
(E20-)*
*
Refer
to
Parts
List
on
page
44.
Photo
is
T-93L
POWER
TRANSFORMER
(L01)
PHONT
END
NEC!
MODEL
NAME
TUNER
UNIT
(X05)
DISPLAY
UNIT
(X14)
T-93
(J)
X05-3780-20
X14-2620-21
LO1-5454-15
X86-1040-10
T-93
(J)
X05-3780-71
X14-2620-71
LO1-65452-05
X86-1040-10
T-93L
(J)
X05-3782-71
X14-2622-71
LO1-5452-05
X86-1052-70
T-93L
(J)
X05-3782-72
X14-2622-72
LO1-5452-05
X86-1052-70
T-93
(S)
X05-3780-21
X14-2630-20
LO1-9004-05
X86-1130-10
T-93
(S)
X05-3780-72
X14-2630-71
LO1-9002-05
X86-1130-10
T-93L
(S)
X05-3782-73
X14-2632-71
LO1-9002-05
X86-1122-70
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Kenwood T-93 Specifications

General IconGeneral
BrandKenwood
ModelT-93
CategoryTuner
LanguageEnglish

Summary

CONTROLS AND INDICATORS

Tuner Controls

Details the function and operation of the tuner section's keys and controls.

Display Panel Indicators

Explains the indicators, displays, and their meanings on the front panel.

ANTENNA CONNECTIONS

Antenna Types and Setup

Provides guidance on connecting AM/LW loop, FM indoor, and FM outdoor antennas.

BLOCK DIAGRAM

FUNCTION OF EACH IC's

Tuner Unit IC Functions

Lists the integrated circuits used in the tuner unit and their specific roles.

Display Unit IC Functions

Lists the integrated circuits used in the display unit and their specific roles.

CIRCUIT DESCRIPTION

Operation Specifications

Details the operational modes of the tuner section, timer, and calendar functions.

Microprocessor IC Details

Covers pin connections and functions of the CXP50112-0100 microprocessor.

IC1 PLL Control Data

Provides control data parameters for the LM7001 PLL IC for various bands.

Test Mode and Timing

Explains test modes, timing diagrams, and initial status settings.

ADJUSTMENT

FM SECTION Adjustments

Step-by-step procedures for adjusting FM reception parameters.

AM-MW SECTION Adjustments

Step-by-step procedures for adjusting AM and MW reception parameters.

AM-LW SECTION Adjustments

Step-by-step procedures for adjusting AM and LW reception parameters.

VOLTAGE TABLES

Tuner Unit Voltages

Lists DC voltage measurements at various points within the tuner unit.

Front End Unit Voltages

Lists DC voltage measurements at various points within the front end unit.

Display Unit Voltages

Lists DC voltage measurements at various points within the display unit.

PC BOARD LAYOUTS

T-93 Component Side View

Illustrates component placement on the T-93 main PCB.

T-93 Foil Side View

Shows the foil (copper) side layout of the T-93 main PCB.

T-93L Component Side View

Illustrates component placement on the T-93L main PCB.

T-93L Foil Side View

Shows the foil (copper) side layout of the T-93L main PCB.

SCHEMATIC DIAGRAMS

Tuner Unit Schematic

Provides the detailed electrical circuit diagram for the tuner unit.

DC Voltages and Safety

Lists DC voltage measurements and highlights safety critical components.

EXPLODED VIEW

PARTS LIST

T-93/93L Main Parts

Lists major external and structural components for the T-93/93L unit.

Tuner Unit Parts

Lists electronic components specific to the tuner unit.

Front End Unit Parts

Lists electronic components specific to the front end unit.

SPECIFICATIONS

FM Tuner Specifications

Technical performance data for the FM tuner section.

MW/LW Tuner Specifications

Technical performance data for the MW and LW tuner sections.

General Specifications

Overall electrical and physical characteristics of the unit.

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