Technics SH-8025 Service Manual

oRDER
NO. SD83012372C1
Servlce Manual
Stereo Graphic
Eq
ualizer
sH-9025
[M], [MC]
i_
I
CONTENTS
Page
LOCATIONOFCONTROLS....
.,.,,,,2
OPERATION OF CONTROL
SWITCHES
, ,
.
2
TOTAL FREOUENCY
RESPONSE
..
. . .
..
3
SAFETYPRECAUT]ON
.,.....3
otsnsseMeuvtNsTRUcTtoNs.... ....
4
RESISTORS.A,NDCAPACITORS..
......5
Area
*
[M]
is
available in
U.S.A.
*
[MC] is available
in
Canada.
page
BLOCKDIAGRAM
....6
CIRCUIT BOARD
AND
WRINGCONNECTIONDIAGRAM
,,,7
SCHEMATICDIAGRAM
....,..9
EXPLODEDVIEW
.,..12
REPLACEMENTPARTSLIST.
,,..14
Matushita Engineering
ild
Soryie Company
50 Meadowland Parkway
Secaucus.
New
Jersey
07094
Pansonic
Hawaii.
lnc.
91'238
Kauhi St., Ewa Beach
P.O. Box 774
Honolulu,
Hawaii 96808-0774
Pan6onic
Canada
Division of Mabushita Electric
of Canada
Limited
5770 Ambler Drive, Mississuga,
Ontario,
L4W
2T3
Pansonic
Sales Company
Division of MaGushita Eleclric
of Fueno Rico, lnc.
Ave, 65 De
I
nfanteria, Klvl 9.7
Victoria
I
ndustrial
Park
Carolina. Puerto Rico 00630
SpgCif iCatiOnS
(Specifications
are subject
to
change
withour
notice
for further
improvement.)
Weights and dimensions shown
are approximate,
IHF'78
Frequency response
(centerposition)
:5
Hz-100
kHz,
-1
dB
Maximum
output
Band level
controls
:
+12
dB--12
dB
voltage
:
8 V (1
kHz, THD
0.01
%)
(7
elements continuously variable
Rated output
voltage
:
1
V
per
channel)
Rated
total
harmonic
Centerfrequency
:63
Hz,
160
Hz,
4O0
Hz,1
kHz,
distortion
:0.005% (20 Hz-2O
kHz)
2.5 kHz, 6.3 kHz,
i6
kHz
0.003%
(1
kHz)
lnpuisensitivity :1V
GENERAL
Signal-to-noiseratio
:100
dB (110 dB, IHF'
A) Powersupply
:AC 120 V,60
Hz
Maximum
input
Power
consumption
:
8
W
voltage
:8
V
(1
kHz)
Dimensions
lnputimpedance :47kA
(HxWxD)
:g5x430x200mm
Gain
:
0+1
dB
(3-11/32"x16-1'li6"x7-Zt\")
Weight
:
2.3 kg
(5.1
lb)
I
Technics