Technics SH 8058 Service Manual

Page 1

ORDER NO.A08605085AX

Service M nual

Equalizer
Stereo Graphic Equalizer SH 8058
Color
(8) ........ Silver Type
(K) ........ Black Type
Area
Color Area
(S)(K) (PC) ........... European Audio
Club.

Please use this manual together with the service manual for Model MOSH-8058.
Order No.HAD8BO3078C9.

The destination (PC) is the same as (XA) regarding the specifications, parts used,
and all others. Accordingly,part Nos.in the (XA) column are applicable to (PC).

Matsushita Electric lndustrialCo., Ltd.
Central PO. Box 288. Osaka 53¢91, Japan

Technics

F851500470 TW

Page 2

ORDER NO. HAD880307809

ervice Manual

Stereo Graphic Equalizer

SPECIFICATIONS (DIN 45 500)

Frequency response
(center position) 5 Hz ~ 100 kHz. -3 dB
Maximum output voltage 8 V (1 kHz, THD 0.03%)
Rated output voltage 1 V
Rated total harmonic distortion 0.005% (20 Hz ~ 20 kHz)
0.003% (1 kHz)
Input sensitivity 1 V
Signal-to-noise ratio 107 dB (IHFA)

100 dB (DIN)
Maximum input voltage 8 V (1 kHz)
Input Impedance 47 kt]
Gain 011 (18

+12 dB ~ -12 dB

(7 frequency ranges.

in 2 dB steps)

63 Hz, 160 Hz, 400 Hz. 1 kHz
25 kHz, 63 kHz, 16 kHz

Band level controls

Center frequency

Channel separation
1 kHz 60 dB (DIN)

CONTENTS

Page

CONNECTIONS ................................
LOCATION OF CONTROLS .......
DISASSEMBLY INSTRUCTIONS
ACCESSORIES .............
SCHEMATIC DIAGRAM
DESCRIPTION OF FL PANEL.
TERMINAL GUIDE OF
TRANSISTORS, DIODES AND ICSI4

Technics

Mutlushit- Electric Trading Co., Ltd.
P.O. Box 288, CentraOsaka Japan

Equalizer

SH-8058

Color

(5)
(K)

Silver Type
..Black Type

Area

Color Area

(S)(K) (EX) ........... Continental Europe.
(S)(K) (Ei) Italy.
( .R.Germany.
Belgium.
.United Kingdom.
France.
.Holland.
.Australia.
.Asia,Latin
AmericaMiddle
Near East,Africa
and Oceania.
(S)(K) (PA) ........... Far East PX.
(S)(K) (PE) .. .European Millitary.
(S)(K) (XB) .. .Saudi Arabia.

Channel balance
250 Hz ~ 6300 Hz

GENERAL

Power supply
For Continenta Europe AC 220 v.50 Hz/BO Hz
For United Kingdom and Austraria AC 240 v.50 Hz/60 Hz

1 0.5 dB (DIN)

For others AC 110 V ~ 127 W220 V ~ 240 V.
50 HZ/60 Hz
Power consumption 11 W
(With power switch off : 6 W)

Dimensions
(WXHX D) 430x 102.6X 229mm

(16-1/16 x 4-1/16x 9.1/32)
Weight 2.8 kg (6.2 lb.)

Specifications are subject to change without notice
tor further improvement. Weight and dimensions are
approximate.

CIRCUIT BOARDS AND WIRING
CONNECTION DIAGRAM ...................
REPLACEMENT PARTS L|ST(Cabinet
EXPLODED VIEW .
BLOCK DIAGRAM..
FUNCTIONS OF IC TERMINALS
RESISTORS AND CAPACITORS
REPLACEMENT PARTS LIST....

Pun-Ionic Tokyo Ollico
Mlliulhfll Electric Truding Cu le.
5th Floor, Worid Trade Cenler 119.,
NO. 4-1,Hamamatsu-cho 2-Chom e.Minatoku,
Tokyo 105,.lapan

Page 5

I)

m ourvesintomv ..
memory, it is

sired curve by

equalizatiom _

:trum level)
rnsitivity of the
button is pressed,

Average level:

vels, select tow
els, select high
l9 levels, select

tors close to the
ility.

eve. full range"
level as spectrum

9 button

1 the sound

)r to the tape deck

hen the button is
illuminate.

cording, be sure to

1 buttons to on"

t selector buttons to

'tape decks
tnit.

tlector)
tea rd.

t (disc player, tuner,
and to the tape deck

:onnected to this

I DISASSEMBLY INSTRUCTIONS

net. No. - Ref. No. Ref. No. How to remove the EQ level control
1 How to remove the cabinet 2 How to remove the front panel 5 P. C.B. an cl switch P. 0.3.
Procedure oRemove the 5 screws (0~9)~ Procedure 1. Remove the flat cable (J101 , J102, J103, Procedure
1 1->2 J104, J105). 1-»a->5

Ref, No, How to remove the power
3 switch P.C.B.
Procedure 1. Remove the power switch knob by
1&3 pushing it from behind the front panel.

2. Remove the flat cable (J101 ).
3. Remove the 2 screws (0, a).

Power Switch knob

2. Remove the 3 screws (0N9)
3. Remove the front panel in the direction of
the arrow.

Connector

How to remove the flat cable

Flat Pull out the flat cable while pressing the
cable connector.

How to remove the E0 level control P.C.B.
1. Remove the 5 screws (o~6).

2. Push the 6 claws.

3. Remove the EQ level control P.C.B.

How to remove the switch P.C.B.
1. Remove the 2 screws (6, 0).

2. Push the 2 claws.

3. Remove the switch P.C.B.

Switch P.C.B.
\

MAN How to remove the main P.C.B.
Procedure 1. Remove the 6 screws (o~e).
1-)4 2. Removethe flat cable (J101,J102,J103,

J104, J105).

i \ ACoutlet
fig; 2°

0
r
2: QE/ A

3. Remove the 4 screws (0~ 0).
4. Pull out the claws in the direction of the arrow, and remove

the AC outlet.
5. Remove the main P.C.B. in the direction of the arrow.

ORemote-oonlrol cable

I ACCESSORIES

IAC power supply cord ...... 1

...... 1

(SFDACOSGZ) For [EK] area only.

(SJA168) For [PA] and [PE] areas.
(SJA173) For [XL] area only.
(SJA183) For [XB] area only.
(SJA185) For [XA] area only.

(SFDACOSEOS) For others.

(SJPK2202-1)

(SJP2257T)