Sony SEQ-V7700 Service Manual
SERIJICE
MANUAL
AEP Model
UK
Model
E Model
e
SPECIFICATIONS
Inputs
LINE lN:
Phono
jacks,
245
mV
(-10
dBs), 50 kohms
TAPE:
Phono
jacks,
245
mV
(-10
dBs), 50
kohms
Outputs
LINE OUT:
Phono
jacks,
2zl5
mV
(-10
dBs),
Load
impedance:
more
than
10 kohms
REC
OUT:
Phono
jacks,
245
mV
(-10
dBs),
Load
impedance:
more
than 10
kohms
Graphic
equalizer
Boosvcut
range: t10 dB
Center
frequencies: 100 Hz, 250
Hz,
5'00
Hz, 1 kHz, 3 kHz, 6 kHz,
14kHz
Frequency
response
(with
EQUALIZATION
OFF)
LINE lN: 20Hzlo 50
kHz
f,
dB
Harmonic
distortion
LINE
lN: Less than 0.010/0
(at
1
kHz, 1 V
OutPut
Signal-tenoise
ratio
(with
EOUALIZATION OFF)
LINE
lN: Better than
100
dB
(A
network,
1
V output)
Power
requirements
AEP model: 220V AC50/6OHz
UK model: 24OV
AC,
SOHz
E model: 110-120
or
22O-24OV
AC,
adjustable, 50/6OHz
Power consumption
8W
AC
outlet
100
W, unswitched
Dimensions
Approx.355
x
92.5 x 295
mm
(w/h/d)
(17
x
3
3/s,
11
3/s
inches)
Weight Approx. 3.1 kg
(6lb
13
oz)
Accessories
supplied
Connecting cords
(2)
SAFETY.RELATED COMPONENT WARNINGI I
coMFoNENTS
TDENTTFTED
BY
MARK
2\
On
OOrreo
LINE
wrrH
MARK
A
oN
THE
scHEMATrc
DTAGRAMs
AND
IN
THE
PARTS
LIST ARE
CRIÎICAL
TO
SAFE
OPERATION.
REPLACE THESE
COMPONENTS
WITH
SONY
PARTS
WHOSE
PART
NUMBERS APPEAR AS
SHOWN
IN
THIS
MANUAL
OR
IN
SUPPLEMENTS
PUB
LISHED
BY SONY.
GRAP}|IC
EOUALIZER
-i
-..:.
.*
SONY.
sEo-v7700
sEcTtoN
I
GENERAL
1.I
HODEL
IDENTIFICATION
-Spefication
Label-
AEP, West
Germany
E
Saudi
Arabia
8W
8W
8W
(WG)
model
AG :
UK modeh AC :
(EA)
modeh AC :
220V240V-
50/6OHz
50/6OHz
ll0-r2f,/m-240v-50
/ 6OHz
r.2 LOCATION
OF CONTROLS
DISPLAY swltch
Turns
the
spectrum
analyzer
display
ON or OFF.
Speclrum
analyzer
EOUALIZATION
swltch
and Indlcalor
INPUT SELECTOR
and Indlcators
Spectrum
analyzer
a
SONY.
MoDEL No.sEe-v77oo
Graphic equalizer
conlrols
-2-
Graphic equallzer
controls
I
tr""rrr*
sEcTfoN
2
DIAGRAMS
2.1.
SETICONDUCTOR
LEAD
LAYOUTS
2SB1
375
us1060M
lOE2N
UZL-6H1
uzl-11H1
sEL4425C-C
-3-
sEo-v7700
2.2.
PRINTED
WIRING
.
Refer
to
page
3
BOARD
for
Semiconductor Lead
Layouts.
.
Semiconductor
Location
Ref.
No.
Location
Raf. No.
Location
D30l
D302
D303
D304
D401
o402
D403
D404
0405
D406
D407
D408
D409
D410
D4l
I
D4t2
o41
3
D4t4
D41
5
D4l
5
D451
o452
D453
D454
D455
D456
D457
D458
D459
D450
D46l
D462
D463
D464
D465
D90l
D902
D903
o904
D905
D906
D907
D908
D909
D9l0
rc101
rcl5
t
rc401
1c402
rc403
tc404
tc4l0
rc45l
tc452
rc453
tc454
rc460
D.6
D.7
D-7
E7
J-6
J-6
K-3
t-6
t-5
t-5
t-4
K-4
K-5
K.6
r.6
t.5
l-5
t.4
J-4
J.6
J-1
3
J-1
3
K.l0
t.l
3
t.t2
t.l 1
t-1 I
K-11
K-t2
K.r2
t.l 3
t-t2
t.t2
t.1 1
J-l
r
B-14
B-14
Bl5
Rl5
c-l4
D-14
D-15
E-15
c.l5
E.l5
G.l8
G.l5
J-6
J-5
J-5
J-4
J-2
J.r
3
J.t2
J-1
I
J-l
I
J-9
Q20l
Q251
Q301
Q302
Q303
Q304
Q305
Q306
Q307
Q35l
Q352
Q3s3
Q354
Q3s5
Q356
Q3s7
Q90l
Qe02
Qeo3
Q904
H.t7
H.17
H.16
H.l6
H.16
H.15
H.l5
H-15
H.14
J.1
6
J.l 6
J.1 6
J-l 5
J.l
5
J-1 5
J-t4
o.l4
D.15
E.l4
E.15
o
o-
:
parts
extracted
from
the
component
side
.
O-
:
parts
extracted from
the conductor
side.
r
WG
I
West
Germany model
.
EA
iSaudr
Arabramodel
1T11"*'-
'll'
-4-
CN
I
-frÆru-rcffitt
lourl IFI
jLi
I
rN
-2
{,,,0
H#
ffiÊ-]+<l
*ffi
---{<1-.1
?
*11+?
+c903 I âc904
ÀlÀ
À
ngor
--ffit<
,
\_-^_t: Cq
--K-+C_il-F
#
#R1
5-l cgr I
0903d
À d
a{t<
1907
t
l*'
--
jrilru;rucrm
l-
{_E
__q_
-Âpr?
do,o,
ff0.0,
ff0,0,
r_
"ï
-j
-5-
sEo-v7700
20
-1
tr@trtr
|-cN
ll-
. i.irul-
_-_-__l
8trtr8trtr@tr
0Æ-z
;6HO<
s6Æ-e
!tD2
*
"-ll
-
crol
R?lS#
* -w143_{
aE-qiwc
MIqEL_
-l
I
:
NJ4Oi
c?6t.
:2gl:..
l;{ç}ph*ek
è
ôô
ôô
è
.Y
T:
6
-6-
Loading...