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  9. Sony STR-GX215 User manual

Sony STR-GX215 User manual

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STR-GX210/GX810/GX415
SERVICE
MANUAL
AEP
Model
STR-GX215/GX3
15/GX415
East
European
Model
STR-GX215/GX315
UK
Model
STR-GX315
PHOTO:
STR-GX415
SPECIFICATIONS
Amplifier
section
AEP1,
German,
90W+90W
70W+70W
East
European,
(4ohms)
(4ohms)
UK
model
80W+80W
50W+50W
DIN,
IkHz
(80hms)
(80hms)
80W+80W
70W+70W
50W+50W
(80hms)
(80hms)
(80hms)
40Hz-20kHz
THD
0.3%
Harmonic
distortion
Less
than
0.8%
at
rated
output
Frequency
response
PHONO:
RIAA
equalization
curve
+0.5dB
CD
VIDEO
|
10Hz-50kHz
‘3
dB
TAPE
Input
Sensitivity
Impedance
S/N
(weighting
network,
input
level)
PHONO
2.5mV
50kilohms
75d
B(A
net)
75dB*(A
net,
5.0
mV)
CD,
VIDEO,
—
|
250mV
5O0kilohms
82dB
(A
net)
TAPE
1,2
82dB*(A
net
500mV)
*78
THF
Outputs
REC
OUT,
Voltage
250mV
VIDEO
(AUDIO)
OUT
Impedance
10kilohms
HEADPHONES
Accepts
low
and
high
impedance
head
phones
Tone
controls
BASS:
£10dB
at
100Hz
TREBLE:
+10dB
at
10kHz
Loudness
+6dB
(100Hz)
MICROFILM
Tuner
section
Tuning
range
87.5-108MHz
531-1602kHz
Antenna
75ohms,
unbalanced
Sensitivity
at
18.3dBf,
2.2nV
(mono)
41dB
quieting
40d
Bf,
24.5yV
(stereo)
Usable
sensitivity
11.2d
Bf,
1pV
(IHF)
Loop
antenna:
300pV
(at
999kHz)
Signal-to-noise
ratio
70dB
(mono)
/66dB
(stereo)
|
54dB
(at
50mV/m)
Harmonic
distortion
0.3%
(mono),
0.5%
0.5%
(at
50mV/m,
(stereo)
at
1kHz
400
Hz)
60dB
at
400kHz
30dB
at
10kHz
Frequency
response
30Hz—15kHz
“3°
dB
|
—
General
System
Tuner
section:
PLL
quartz-locked
digital
synthesizer
system
Preamplifier
section:
low-noise
NF
type
equalizer
amp
Power
amplifier
section:
pure
complementary
SEPP
Power
requirements
220-230V
AC,
50/60Hz
240V
AC,
50/60Hz
(U.K.
model)
Power
consumption
ara
STR-GX415
STR-GX315
STR-GX215
AEP1,
German
model
|
230W 200W
160W
AEP2,
East
European,
|
165W
130W
110W
UK
model
—Continued
on
next
page—
FM
Stepeo
FM-AM
Receiver
SONY.
FM
tuner
section
AM
tuner
section
£
8
Ei
=z
AC
outlet
(STR-GX415/STR-GX315)
(except
for
U.K.
model
of
STR-GX315)
One
switched
(100W
Max.)
Dimensions
Approx.
430
x
135
x
300mm
(w/h/d)
(17
x
53/8
x
11
7/8
inches)
including
projecting
parts
and
controls
Weight
.
STR-GX415:
Approx.
7.2kg
(15Ib
140z)
STR-GX315:
Approx.
6.2kg
(13lb
1102)
STR-GX215:
Approx.
5.9kg
(13Ib
10z)
Accessories
supplied
FM
wire
antenna
(1)
AM
loop
antenna
(1)
Remote
Commander
RM-U141
(STR-GX415/STR-GX315
only)(1)
Sony
batteries
SUM-3(NS)(2)
Design
and
specifications
are
subject
to
change
without
notice.
Note
This
appliance
conforms
with
EEC
Directive
87/308/EEC
regarding
interference
suppression.
MODEL
IDENTIFICATION
—
Model
Number
Portion
—
Carved
on
back
panel
AEP1,
AEP2,
German,
East
European
model
:
STR-GX215
AEP1,
AEP2,
German,
UK,
East
European
model
:
STR-GX315
AEP1,
AEP2,
German
model
:
STR-GX415
SON
YY:
movetno.ZZZZZZ
FM
STEREO/FM-AM
RECEIVER
VLLLLLLLLLLLLLLLLL
LLL
SERIAL
NO.
ASSEMBLED
IN
MALAYSIA
GX215;
AEP1,
German
model
:
AC
:
220—230V
~50/60Hz
GX215;
AEP2,
East
European
model:
AC
:
220--230V~50/60Hz
GX315;
AEP1,
German
model
:
AC
:
220—230V~50/60Hz
GX315;
AEP2,
East
European
model:
AC
:
220—230V~50/60Hz
GX315;
UK
model
:
AC:
240V~50/60Hz
GX415;
AEP1,
German
model
:
AC
:
220—230V~50/60Hz
GX415;
AEP2
model
:
AC
:
220—230V-~50/60Hz
Note:
There
are
two
type
of
AEP
models
which
are
depend
on
countries.
AEP2:
Model
for
Scandinavian
countries,
Switzerland,
Spain
and
Portugal.
AEP!
:
Model
for
other
European
countries.
TABLE
OF
CONTENTS
Section
Title
Page
45.
“GENERAL
ites
i
initial
eas
3
2.
ELECTRICAL
ADJUSTMENTS
vvvesccescsesssesssesenees
4
3.
DIAGRAMS
3-1.
IC
Pin
Function
¢
1C300
SYSTEM
CONTROL
IC(uPD78043GF-SOX4072)
ss+erer
5
3-2.
Block
Diagram
crrrsrrrssreererecseeeereesessseraueessesceescvsereersens
7
3-3.
Circuit
Boads
Location
POURUUCEESSCCOOCOOSOOSOOSCO
OOOO
OSOSOELCOS
OE
Seer
9
3-4,
Semiconductor
Lead
Layouts
Por
ee ee
eee
CC
Cererrrerrrerrirrrrrrry
10
3-5.
Schematic
Diagram—Main(GX215)
Section—
srrrrrsrrreeees
1]
3-6.
Schematic
Diagram—Main(GX315,GX415)
Section—
15
3-7.
Printed
Wiring
Boards—Main
Section—
crrrrrstrerserererees
19
3-8.
Printed
Wiring
Boards—Display
Section—
rrrrerrsessrreees
25
3-9.
Schematic
Diagram—Display
Section
vrrrrsrrrsttrseereseeees
27
4.
EXPLODED
VIEWS
4-1.
Cabinet
Section
He
eee
wernneewerenrereere
Poe eee
ereereeeeerreraanoensens
29
4-2.
Chassis
Section
Pree
cE
ee
ESE
SE
eeerrrr
errr
ceri
rrrrerrerrrrs)
oom
eeveesereees
30
5.
ELECTRICAL
PARTS
LIST
------ss
eee
sesso
BI
160W
110W
200W
130W
230W
165W
SAFETY-RELATED
COMPONENT
WARNING!!
COMPONENTS
IDENTIFIED
BY
MARK
A
OR
DOTTED
LINE
WITH
MARK
A
ON
THE
SCHEMATIC
DIAGRAMS
AND
IN
THE
PARTS
LIST
ARE
CRITICAL
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.
STR-GX415/STR-GX315
Identifying
Parts
and
Controls
STR-GX415/STR-GX315
(1
POWER
switch
[2]
MONITOR
indicator
(page
62.)
(3)
SHIFT
button
(pages
36
and
38.)
4
Remote
sensor
a
STANDBY
indicator
The
STANDBY
indicator
lights
up
when
the
power
cord
is
connected.
(@)
MEMORY
button
(pages
26
and
36.)
(Z}
BAND
button
(pages
30
and
34.)
(B)
TUNING/PRESET
button
(pages
34
and
40.)
[8]
Display
window
+/-
buttons
(pages
34
and
40.)
{1
TUNING
DIRECT
button
(page
30.)
(J
FM
MODE
button
(page
32.)
(J
CHARACTER
button
(page
26.)
(4
DISPLAY
button
(pages
28
and
48.)
(f]
LOUDNESS
button
and
indicator
(page
22.)
VOLUME
control
(page
22.)
(1
BALANCE
control
(page
22.)
[1%
BASS/TREBLE
controls
(page
22.)
(19
Function
selectors
When
the
TAPE
2
MONITOR
is
pressed,
the
indicator
of
the
last
selected
function
also
remains
lit.
But
the
taped
program
selected
with
the
TAPE
2
MONITOR
button
can
be
heard.
20
EON
(TA-NEWS-INFO)
button
(page
50.)
i)
PTY
button
(page
52.)
Numeric
buttons
(pages
30,
36
and
38.)
HEADPHONES
jack
(page
24.)
SPEAKERS
A/B
buttons
(page
24.)
STR-GX215
Identifying
Part:
and
Controls
Front
Panel
STR-GX215
1).
POWER
switch
2)
SHIFT
button
(pages
36
and
38.)
[3]
MONITOR
indicator
(page
62.)
[4]
MEMORY
button
(pages
26
and
36.)
[5]
TUNING
-/+
buttons
(page
34.)
(6)
Display
window
(7)
PRESET
TUNING
+/-
buttons
(page
40.)
[8]
FM
button
(pages
30
and
34.)
{9]
AM
button
(pages
30
and
34.)
TUNING
DIRECT
button
(page
30.)
[1)
FM
MODE
button
(page
32)
{1
LOUDNESS
button
and
indicator
(page
22.)
(3
VOLUME
control
(page
22.)
BALANCE
control
(page
22.)
ff]
BASS/TREBLE
controls
(page
22.)
Function
selectors
When
the
TAPE
2
MONITOR
is
pressed,
the
indicator
of
the
last
selected
function
also
remains
lit.
But
the
taped
program
selected
with
the
TAPE
2
MONITOR
button
can
be
heard.
(1)
Numeric
buttons
(pages
30,
36
and
38.)
{13
HEADPHONES
jack
(page
24.)
SPEAKERS
A/B
buttons
(page
24.)
*‘JEnNueUT
UOTJONAJSUL
WOT
payoeiyxe
St
UOI}eS
SIUT,
TWHANAD
L
NOILOAS
SECTION
2
ELECTRICAL
ADJUSTMENTS
Note:
As
a
FM/AM
tuner
(TU1)
is
difficult
to
repair
if
faulty,
replace
it
with
new
one.
¢
FM
Signal
Level
Display
Adjustment
(GX315,
GX415)
Setting:
FM
RF
signal
generator
Carrier
frequency:
98
MHz
Modulation:
1
kHz
75
kHz
dev.
FM
ANTENNA
75Q
(100%)
terminal
Procedure:
1.
Tune
the
set
to
98
MHz.
2.
Apply
80
dBy,
98
MHz
signal
to
the
FM
antenna
terminal.
3.
Press
the
DISPLAY
button
of
the
unit
to
indicate
the
signal
level.
4.
Adjust
RV1
so
that
signal
level
indication
is
changed
from
[SIG
71
dB
]t0
[SIG
75
«B]
Apply
81
dBu,
98
MHz
signal
to
the
FM
antenna
terminal.
6.
Make
sure
that
the
signal
level
indication
is
|
SIG7SadB
|
If
not,
repeat
step
2
to
6.
wn
(MAIN
BOARD]
(COMPONENT
SIDE)
TU1
FM/AM
TUNER
RVI
(FM
SIGNAL
LEVEL)
ee
Ic}
SECTION
3
DIAGRAMS
3-1.
IC
PIN
FUNCTION
¢1C300
SYSTEM
CONTROL
IC
(uPD78043GF-SOX4072)
FUNCTION
Drives
indicator
tube.
{e)
=
fom
Re)
Drives
indicator
tube.
Drives
indicator
tube.
=
Drives
indicator
tube.
5V
RDS-CLOCK
RDS
CLOCK
input.
G)
NOPoOl;
Rl
alalw
RDS-DATA
RDS
DATA
input.
RESET
output
for
LC7073M.
12
RDS-RESET
Qa
FUNCTION
output
for
tuner.
IF
COUNT
DATA
input.
ESET
System
RESET
input.
=
5
al/O}olg
z
<
o/31ola
is]
rIa}ia
x)
=
ps)
aera
esas
re
ameeraes)
FOWERT
FUNC
SEL
Fixed
“L”.
Oscillation
signal
input
(4.19MHz)
Oscillation
signal
output
(4.19MHz)
FUN
CCW
Operates
the
motor
for
motor
FUNCTION
FUN
CW
Operates
the
motor
for
motor
FUNCTION.
Motor
for
VOL.
“H"
when
DOWN.
VOL+
Motor
for
VOL.
“H"
when
UP.
30
Q
w
»
=
MN
o
4
x<
Nh
<
x<
=
PS
a|/
ua)
>
(eo)
sa
m
Clove
Oo
,
<
ZiZzi2
nd}
-
of=tn
ro)
vu
3
N“
a
=
Cc
aj
/O
TUNER
MUTE
output.
PROTECT
MUTE
output.
FUNCTION
MUTE
output.
PROTECT
detection
input.
RDS
DATA
START
pin.
Remote
commander
input.
Power
ON/OFF
Monitor.
a
nN
a
=
Cc
per}
os
b
a
N
o
a
aol|z
0/6
pel
<
n
=
Cc
4
PROTECT
IN
RDS-START
n|
+
{e)
Vv
Activates
SPEAKER
RELAY.
Activates
POWER
RELAY.
RDS-ID
detection
input.
oD
5V
Activates
standby
LED.
Activates
VOL-LED.
Activates
TAPE
2
relay.
POWER
RY
a
oO
a
D
~)
i
5
an
w
VOL-LED
TAPE2-RELAY
S-DIRECT-RELAY
54
<
Activates
source
direct
relay.
Destination
change-overinput
“H”:EastEuropean
“L”:
AEP,
G,
UK
Model
change-overinput
“H”:GX215
“L”:GX315,
GX415
ss
>
=
wo
<
a
N
Fixed
“L”.
LOUDNESS
CONTROL
output.
Drives
indicator
tube.
LOUDNESS
P15
=
{Nh
Drives
indicator
tube.
Drives
indicator
tube.
Drives
indicator
tube.
Drives
indicator
tube.
Drives
indicator
tube.
Drives
indicator
tube.
fo)
N
Drives
indicator
tube.
Drives
indicator
tube.
Uv
N
70
~
24V
Drives
indicator
tube.
Ls)
Drives
indicator
tube.
Drives
indicator
tube.
N
-
Uv
>
Drives
indicator
tube.
wo
Drives
indicator
tube.
NI
to)
s}]~N
N
NINN
a
rR)
=
a
7
Drives
indicator
tube.
10G
o
Drives
indicator
tube.
«)
Drives
indicator
tube.
©
Drives
indicator
tube.
Q
~
3-2.
BLOCK
DIAGRAM
FM
750
COAXIAL
L—
mw
118
r
L
r
iB
r
E
STR-GX215/GX315/GX415
6X316,6X416
=e
fe
Sate
eee
ee
de
ee
7
1C1
1c2
G:
German
Tu
|
Ic
ROS
DEMODULATOR
ROS
DATA
PROCESS
EE
:
East
European
FM/AM
TUNER
|
one
S7KHZ
RECONSTRUCTION
SERIAL
ROS
|
ROR
DET,
DATA
|
@ ®
@)
‘
oe
BANDPASS
FILTERSS
(6)
PARALLEL
ae
fom
a,
SERIAL
(8)
|
|
CONV,
CONV.
|
3
(8)
2
|
(5)
Or
RDS~
|
sueae
8®5Z248
ROS
YH
-—-—-——-—
!
ae
clock
z
2
7
cLocKED
uae
i
or
DIFFERENTIAL
®
A.B.C.C:D
(16)
|
COMPARATOR
mo
DECODER
(5X6X7X8X9)
e302
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