Technics SH-8055 Service Manual

*
The
colors
of
this
model
include
silver
and
black,
*
The
black
type
model
is
provided
with
(K)
in
the
Service
Manual.
)
ORDER NO. sD83062526!
Service
Manua
Stereo
Graphic
Equalizer
SH- 8055
[E], [EK], {EF],[EB],[EH], [EGA],
[XA],[XLI,[PA],[PE] [Ei]
SH-8055(k)
(E], [EK], [EF], [EB], [EH],
[EGA],[XA],[XL]
*
[E]
is
available
in
Scandinavia
and
Switzerland,
* [EK] is available in United Kingdom.
* [EF] is available in France.
* [EB] is available in Belgium.
* [EH] is available in Holland.
*
[EGA]
is
available
in
F.R.
Germany.
*
[XA]
is
available
in
Southeast
Asia,
Oceania,
Africa,
Middle
Near
East
and
Central
South
America.
* (XL] is available in Australia,
* [PA] is available in Far East PX,
* [PE] is available in European
*
[Ei]
is
available
in
Italy.
Areas
Specifications
(DIN 45 500)
Frequency response
(center position)
Maximum output
voltage
Rated output voltage
Rated total harmonic
:5 Hz~100 kHz, —1 dB
18V(1 kHz, THD 0.01%)
1V
(Specifications
are
subject
to
change
without
notice
for
further
improvement.)
Band
level
controls
:412dB~—12dB
(12
elements
continuously
variable
per
channel)
225
Hz,
40
Hz,
63
Hz,
100
Hz,
160
Hz,
250
Hz,
500
Hz,
1
kHz,
2
kHz,
4
kHz,
8
kHz,
16
kHz
Center frequency
Pink noise output
distortion
0.003%
(20
Hz~20
kHz)
voltage
:50mV
0.002%
(1
kHz)
Compatible
microphone
input
sensitivity
n1V
sensitivity
:
above
~74.dBV/jbar
(1
kHz)
!
Signal-to-noise
ratio
:
102
dB
(110
dB,
IHF’
A)
Microphone
attenuator
:
—20dB
Maximum
input
voltage
:8V(1kHz)
GENERAL
Input
impedance
:47kQ
Power
supply
AC
110-V/120
V/220
Vi240
V,
Gain
:0+1dB
50
Hz/60
Hz.
Channel
balance
Power
consumption
:17W
>
250
H2~6300
Hz
40.5
dB
Dimensions
Channel
separation
(HxWxD)
2108430270
mm
1
kHz
:70dB
(4-1/4"
16-15/16"x
10-5/8")
Weight
24.1
kg
(9.0
Ib)
@
CONTENTS
SAFETY PRECAUTION
BLOCK
DIAGRAM
OF
FUNCTION
.
LOCATION
OF
CONTROLS
...
+
REAL
TIME
SPECTRUM
ANALYZER
.
PINK NOISE ....
HOW TO USE THE REAL TIME
SPECTRAM ANALYZER
Page
RWWNN
5
DISASSEMBLY
INSTRUCTIONS.........
TOTAL
FREQUENCY
RESPONSE
PRINTED
CIRCUIT
BOARDS
.
REPLACEMENT
PARTS
LIST
.
EXPLODED
VIEW
...
.
SCHEMATIC
DIAGRAM
BLOCK
DIAGRAM
.
SPECTRUM
ANALYZER
AND
TIMING
CHART.
Panasonic Tokyo
Technics
Matsushita Electric Industrial Co., Ltd.
1-2, 1-chome, Shiba-koen, Minato-ku, Tokyo 105 Japan
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japary

Technics SH-8055 Specifications

General

Type	Graphic Equalizer
Control Range	±12 dB
Bands	10
Input Sensitivity	150 mV
Output Level	150 mV
Signal-to-Noise Ratio	106dB
Total harmonic distortion	0.005%
Dimensions	430 x 96 x 275 mm