Kenwood T-93L - User Manual

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

Summary

Controls and Indicators

Tuner Controls

Details control buttons and keys on the tuner section for operation.

Display Panel Indicators

Describes indicators like Band, Program, Stereo, Tuned, and display elements.

Antenna Connection

Function of Each IC

Circuit Description

Tuner Section Operation

Explains tuner functions: auto tuning, manual tuning, direct tuning, presets.

Adjustment Procedures

FM SECTION Adjustments

Covers tuning adjustments for FM band: band edge, RF alignment, discriminator, VCO.

AM-MW SECTION Adjustments

Covers tuning adjustments for AM/MW bands: band edge, RF alignment.

AM-LW SECTION Adjustments (T-93 L only)

Voltage Tables

PC BOARD Component Layout (T-93)

PC BOARD Component Layout (T-93 Foil Side)

PC BOARD Component Layout (T-93 L)

PC BOARD Component Layout (T-93 L Foil Side)

Schematic Diagram

Exploded View

Parts List

Specifications

Kenwood T-93L Specifications

General

Tuning Bands	FM, MW
Signal to Noise Ratio (AM/MW)	50dB
Type	Stereo Tuner
FM Tuning Range	87.5 to 108 MHz
Signal to Noise Ratio (FM)	70 dB
Distortion (FM)	0.3%
Frequency Response (FM)	30 - 15, 000 Hz