Kenwood KX-94W Service Manual

~ KENWOOD
STEREO DOUBLE CASSETTE TAPE DECK
Knob ass'y (Button) * Metallic cabinet* Knob (Slide)
(95816736) :S Panel ass’y * (95864438) : S$ (95886522): S x2
(95886654) : B (958990-) (95864477): B (95886545) :Bx2
Knob
(Slide)
Knob
(Button)
phone
jack
(95886521)
x
2
(95886519):
S
(92198181)
x2
(95886543):
B
Mini
stereo
phone
jack
Power
cord
bushing
(92198188)
(95844322)
Phono jack AC power cord*
(92163887) (92176-)
* Refer to parts list on page 11.
Photo is KX-94W (Black version)
S : Sliver version
B.: Black version
SetViICe MANUAL

Kenwood KX-94W Specifications

General

Brand	Kenwood
Model	KX-94W
Category	Tape Deck
Language	English

Summary

DISASSEMBLY FOR REPAIR

BLOCK DIAGRAM

SYSTEM CONNECTIONS

ADJUSTMENT

DEMAGNETIZATION

Demagnetize the REC/PLAY head with a head demagnetizer.

CLEANING

Clean heads, capstan, and pinch roller with alcohol-dampened swab.

AZIMUTH

Align azimuth adjusting screw for optimal playback and recording.

PC BOARD

Adjustments related to the printed circuit board, e.g., tape speed.

TAPE SPEED

Adjust tape speed for HI SPEED and NORMAL modes using specified resistors.

PLAYBACK LEVEL

Adjust playback level to -3.8dBs using specified resistors.

BIAS CURRENT

Adjust bias current for recording/playback using variable resistors.

RECORD LEVEL

Set recording level to -27dBs at 1kHz for monitor output.

QUICK SENSOR

Adjust quick sensor for tape end detection by checking DC voltage.

PC BOARD

EXPLODED VIEW (MECHANISM)

Eject

Forward/Reverse Sensing Mechanism

Quick Reverse Sensing Mechanism

SPECIFICATIONS

PARTS LIST

DESCRIPTION OF MECHANISM OPERATION

OPERATIONS IN EACH MODE

Wind Mechanism

Describes tape winding operations in forward play and reverse play modes.

Head Slider Drive Mechanism

Reverse Play Mode

Stop after play

Play after play and stop

Selection of Musical Piece

REPLACING AND ADJUSTING MAJOR PARTS

Replacing Head

Procedure for removing and replacing the combination head.

Adjusting Tape Path

Adjust tape path by aligning nuts and screws for proper tape travel.

Adjusting Solenoid Position

Replacing Main Motor Ass'y and Belt

Replacing Main Motor ass'y

Steps to remove and install the main motor assembly.

Replacing Belt

Steps to remove and install the drive belt for the motor.

Mounting flywheel end springs

Position of head end springs

Bundling wires (on KX-94W deck)