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Technics RS-B465

Technics RS-B465
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ORDER
NO.
AD9005125C2
Service
Manual
Dolby
NR-Equipped
Stereo
Cassette
Deck
OC
wots
B-C
NR
HX
PRO]
*
HX
Pro
headroom
extension
originated
by
Bang
Olufsen
and
manufactured
under
license
from
Dolby
Laboratories
Licensing
Corporation.
“DOLBY”,
the
double-D
symbol,
and
‘‘HX
PRO”
are
trademarks
of
Dolby
Laboratories
Licensing
Corporation.
RS-B755
MECHANISM
SERIES
(AR350)
@
SPECIFICATIONS
lM
CASSETTE
DECK
SECTION
Deck
system
Track
system
Stereo
cassette
deck
4-track,
2-channe|
Heads
Rec/Play
Erasure
Motors
Capstan
drive
DC
servo
motor
Reel
table
drive
DC
motor
Recording
sysiem
AC
bias
Bias
frequency
80.
kHz
Erasing
system
AC
erase
Tape
speed
4.8.
cm/sec.
(17/s
ips)
Frequency
response
NORMAL
30
Hz~15
kHz
(+3
dB)
30
Hz~15
kHz
(DIN)
CrO2
30
Hz~16
kHz
(+3
dB)
30
Hz~16
kHz
(DIN)
METAL
30
Hz~17
kHz
(+3
dB)
30
Hz~17
kHz
(DIN)
x
recording
level,
CrOz
type
tape)
74
dB
(CCIR)
66
dB
(CCIR)
56
dB
(A
weighted)
S/N
(signal
jevel=
Dolby
C
NR
on
Dolby
B
NR
on
Dolby
NR
off
Technics
Cassette
Deck
RS-B465
Color
|
(K)...Black
Type
|
Wow
and
flutter
Fast
forward
and
rewind
times
Approx.
90
s
Input
sensitivity
and
impedan
MIC
0.25
mV/6000~10
kQ
LINE
IN
60
mV/47
kO
Output
voltage
and
impedance
LINE
OUT
HEADPHONES
@
GENERAL
Power
consumption
16
W
Power
supply
For
Continental
Europe,
F.R.
Germany
and
italy
AG
50/60
Hz,
220
V
AG
50/60
Hz,
240
V
For
Great
Britain
Dimensions
(WXHxXD)
430
x
125x290mm
(1615/16
415/16”
1119/32
Weight
4.3
kg
(9.5
1b.)
Note:
Specifications
are
subject
to
change
without
notice.
Weight
and
dimensions
are
approximate
Matsushita
Electric
Industrial
Co.,
Ltd.
Central
P.O.
Box
288,
Osaka
530-91,
Japan
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Technics RS-B465 Specifications

General IconGeneral
Track System4-track, 2-channel stereo
Heads1 x record/playback, 1 x erase
MotorDC Servo Motor
Weight5.5 kg
TypeCassette Deck
Tape Typetype I, CrO2, Metal
Frequency Response20Hz - 20kHz (Metal Tape)
Wow and Flutter0.08%
InputLine In
OutputLine Out
InputsLine
OutputsLine
Signal to Noise Ratio74dB (dolby C)

Summary

Specifications

Cassette Deck Section Specifications

Detailed technical specifications for the cassette deck's mechanical and electronic components.

General Unit Specifications

Overall unit specifications including power requirements, dimensions, and weight.

Accessories and Connections

Accessory Components

Information on included accessories like the AC power cord and connection cables.

Connection Procedures

Instructions for connecting the cassette deck to audio systems and power outlets.

Front Panel Controls and Functions

Primary Controls and Display

Overview of front panel buttons for power, eject, cassette handling, and the main display.

Operation Controls and Indicators

Details on advanced operation buttons, noise reduction, and status indicators.

Disassembly Instructions

Cabinet and Main PCB Removal

Step-by-step guide for removing the outer cabinet and the main printed circuit board.

Panel and Drive PCB Disassembly

Procedures for disassembling the front panel, FL drive PCB, and other component PCBs.

Component and Mechanism Unit Removal

Instructions for removing the mechanism unit, damper gear, cassette holder, and related PCBs.

Measurement and Adjustment Methods

Head, Speed, and Gain Adjustments

Procedures for adjusting head azimuth, tape speed, and playback gain using test tapes.

Frequency Response Adjustments

Methods for adjusting playback and overall frequency response using test tapes and equipment.

Internal Circuitry and Diagrams

IC Terminal Functions and Connections

Details on IC terminal functions, internal FL connections, and pin configurations for microcomputers.

Block Diagram

A functional block diagram illustrating the signal flow and main components of the cassette deck.

Component Terminal Guide

A guide listing ICs, transistors, and diodes with their respective terminal functions and specifications.

Schematic Diagrams

Detailed electrical schematic diagrams for various circuits of the cassette deck.

Wiring Connection Diagram

Diagram illustrating internal wiring connections between different PCBs and components.

Parts Lists

Replacement Parts List

A comprehensive list of all replaceable parts, including integrated circuits, transistors, and diodes.

Mechanism and Passive Components Lists

Lists of mechanical parts, resistors, capacitors, transformers, and connectors.

Resistors and Capacitors List

Detailed list of all resistors and capacitors used in the unit, including their values.

Views and Packing

Exploded Views

Visual representations showing the assembly of cabinet and mechanical parts for service.

Packing Details

Information regarding packing materials used for product shipping and safety.

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