Teac W-860R Service Manual

TEAC
a
C -00404
SERVICE MANUAL
W-860R
Double Cassette Deck
CONTENTS
1
SPECIFICATIONS
----
0...
eee
eee
e
cece
ee
tee
cece
eee
eeeeees
2
ADJUSTMENT
AND
CHECKS
..-.--.-...---eeeeeeeee
ee
3
EXPLODED
VIEWS
AND
PARTS
LIST
----------------
4
PC
BOARDS
AND
PARTS
LIST
«----.------
esse
eee
es
NOTES
@ PC boards shown are viewed from parts side.
@ Parts marked with * require tonger delivery time.
@ The parts with no reference number or no parts number in the
. exploded views are not supplied.
@
As
regards
the
resistors
and
capacitors,
refer
to
the
circuit
diagrams
contained in this manual.
@ A Parts marked with this sign are safety critical components. They
Must be replaced with identical components - refer to the appropriate
parts list and ensure exact replacement.
@
Parts
of
[
]
mark
can
be
used
only
with
the
version
designated.
[J]:
JAPAN
[US]:U.S.A.
[C]:CANADA
[SA]:SOUTH
AMERICA
[GE]
:GENERAL
EXPORT
[E]:EUROPE
[UK]:U.K.
[A]:AUSTRALIA
W-860R(N):Gold
Version
W-860R(B)
:Black
Version
Effective
:
April,
1999
BR
Vifb Birch hesieanaretcasniaacendsutnweaaudul aeeacs amines 2
O FAME TBRD 00s cee cee ice eee acest eee cerseueredsenece wen 3
B DRBIEINGYUAB covcceeeeeeccee eee eeeeenee meee ees fee 8
4 BRBILING YU RB cece eect eee cece eee ene ence een ee 12
@7UY
FS
Mchebeml
CEs.
@
*HOBMISMBRATO
DOES,
BSDCOTTRC
PEL
© DHMICREOCUBRSKURBORG BRIS CK
th.
© R40. IVFTVU-lteRLCSORS.
GPRM eSia LT CER
© AMEARESSRRACTST.
BURG SRISUSEEORRAEALT<HERLU
eta
[J] :JAPAN [US]:U.S.A. [C]:CANADA [SA]:SOUTH AHERICA
[GE] :GENERAL EXPORT [E]:EUROPE [UK]:U.K. [A] :USTRALIA
W-860R(N) :Gold Version W-860R(B) :Black Version
D1i048.4-800A
GAY

Teac W-860R Specifications

General

Track System	4-track, 2-channel stereo
Tape Speed	4.76 cm/s
Wow and Flutter	0.08% (WRMS)
Total Harmonic Distortion	1.0%
Recording Speed	4.76 cm/s
Type	Cassette Deck
Motor	DC motor
Inputs	1 x line
Outputs	1 x line
Power Supply	AC 220-240 V, 50/60 Hz
Signal-to-Noise Ratio	58 dB (Dolby B off)

Summary

1 SPECIFICATIONS

2 ADJUSTMENTS AND CHECKS

Mechanical Adjustments

Procedures for adjusting mechanical aspects like wow/flutter, tape speed, and reel torque.

Electrical Adjustment Precautions

Electrical Adjustment Locations

Playback Performance Testing

Procedures for testing playback performance: azimuth, Dolby level, output levels.

Recording Performance Testing

Procedures for testing and adjusting recording performance parameters.

Record Bias Adjustment

3 EXPLODED VIEWS AND PARTS LIST

Exploded View-1: Component Layout

Diagram illustrating the physical arrangement of major components for Exploded View-1.

Exploded View-1 Parts List

Detailed list of parts for Exploded View-1, including part numbers and remarks.

Exploded View-1 Parts List (Continued)

Continuation of the detailed parts list for Exploded View-1.

Exploded View-2: Component Layout and Parts List

Diagram and parts list for Exploded View-2, showing component arrangement.

4 PC BOARDS AND PARTS LIST

PC Boards and Parts List Overview

Detailed information and lists for various PC boards.

Main PCB Assembly Parts List

Detailed parts list for the Main PCB Assembly, including component references.

TR PCB Assembly Parts List

REC AMP PCB Assembly Parts List

Parts list for the Record Amplifier PCB Assembly.

Main PCB Component Diagram

Schematic diagram showing component placement on the Main PCB.

REC AMP PCB Component Diagram

Schematic diagram illustrating component layout on the REC AMP PCB.

Control, Key, and Slide PCB Diagrams

Diagrams showing component placement on Control, Key, and Slide PCBs.

Microphone, VR, Phone, and Selector Switch PCB Diagrams

Diagrams for Microphone, VR, Phone, and Selector Switch PCBs.

Trans A and Trans B PCB Diagrams

REC AMP PCB Schematic Diagram

MIC, VR, and Phone PCB Schematics

Main PCB Schematic Diagram

Main PCB Schematic Diagram (Continued)

Control, Key, Slide PCBs, and Power Supply Schematics

Control, Key, Slide PCBs, and Power Supply Schematics (Continued)

Various PCB Component Lists