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Pioneer CT-9R Service Manual

Pioneer CT-9R
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(D
rrloNeerl'
ORDER NO.
ARP-
O97-O
STEREO
CASSETTE
TAPE
DECK
r
In
CT-9R,
a one-chip
lC
(PA3012)
is incorporated
in the
DOLBy
NR circuit
with
thefollowingserialNo.
Type
Serial No.
KU
3604701
KC
3400501
HE
8402301
HB
8500301
HP
8600101
D
9302201
D/G
9303301
r
For
the
contents
other
than
those
described
in
this
additional
service
manual,
please
see the
original
service
manual.
GGT-9FIrH;
ffi;
r:D,c
PICINEEFI
ELECTFIEINIC
CCIFIPCIFIATICIN
4-'1,
Mesuno
1-chome,
Mesuno-ku,
Tokyo
158,
Japan
PICINEEFI
ELECTFICINICA
IUAAI
tNC.
1925
E. Dominguez
St.,
Long Beach,
Catifonnie
gOBlo
U.S.A.
PICINEEFI
ELEcrFtclNtc
[EUFtopEl
N.v.
Luirhagen-H-ven
s, aoso Anrwenp,
Betgium
PIC'NEEFf
ELEcTFlctNlca
AUC|TFIALIA
PTY.
L7'to.
lze-le4
Boundatry
Fioad,
Bnaeside,
vicronia
g.198,
Ausrnatia
r
The Part
No.
of the P.C.
board
was
changed
as
follows:
-\-eoaru
Typ€
----
Mother
Assembly
DOLBY NR Arrmbly
Sub Amp
Agmbly
MIC
Amp
Agmbly
otd
New
otd
Nrrr
old
Now
old
New
KU
RWX-535
RWX.578
RWX.551
and
RWX.547
RWX-579
RWF-097
RWF-102
RWF-099
RWF-103
KC
HE
HB
HP
D
D/G
Continued
on
page
2
YZ
O APR.
1982 Printed
in
Japan

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Pioneer CT-9R Specifications

General IconGeneral
Track System4-track, 2-channel stereo
Tape Speed4.76 cm/s
Tape Typetype I, CrO2, Metal
Total Harmonic Distortion0.8%
TypeCassette Deck
Heads3
MotorDC servo motor
Noise ReductionDolby B, Dolby C
Frequency Response20Hz to 20kHz (Metal tape)
Dimensions420 x 115 x 335 mm

Summary

PARTS LIST

Notes and Miscellaneous Parts

Important notes and listing of miscellaneous parts.

PC Board Assemblies Parts

Lists parts for various PC board assemblies.

P.C. BOARD PATTERNS

Amplifier Assembly Patterns

PCB layouts for Mic, Sub, and Headphone amplifiers.

Core Assembly Patterns

PCB layouts for Mother, Power Supply, and Connector assemblies.

Other Assembly Patterns

PCB layouts for Equalizer, Function Switch, and other assemblies.

SCHEMATIC DIAGRAMS

Signal Section Schematics

Circuit diagrams for signal processing and audio paths.

Power Supply Schematics

Circuit diagrams for the power supply unit.

MECHANICAL ADJUSTMENTS

Pinch Roller, Azimuth, and Tape Transport

Procedures for pinch roller pressure, head azimuth, and tape path alignment.

Speed, Torque, and Tension Adjustments

Adjusting motor speeds, tape torque, and reel base tension.

ELECTRICAL ADJUSTMENTS

Playback Adjustments

Adjusting head azimuth, equalizer, and playback levels.

Recording Adjustments

Setting recording levels, bias, and frequency response.

Special Function Adjustments

Adjusting BLE and leader tape detection functions.

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