Sony STR-DG520 Service Manual ▷ View online
STR-DG520
5
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
• US, Canadian model
• Except US, Canadian model
6
US
Name
Function
L MEMORY/
ENTER
Press to operate the tuner
(FM/AM) (page 46).
(FM/AM) (page 46).
TUNING
MODE
MODE
TUNING +/–
M PHONES jack Connects to headphones
(page 58).
5
US
Gettin
g Star
ted
Description and location of parts
Getting Started
Front panel
?/1
SPEAKERS
(ON/OFF)
PHONES
MEMORY/
ENTER
TUNING
MODE
TUNING
2CH
A.F.D.
MOVIE
MUSIC
ANALOG
DIRECT
MUTING
INPUT SELECTOR
DISPLAY
INPUT MODE
MASTER VOLUME
8
9
qd
q;
qs
qa
3
1
6
5
2
7
4
Name
Function
A ?/1
(on/standby)
Press to turn the receiver on
or off (page 25, 29, 30, 45,
62).
or off (page 25, 29, 30, 45,
62).
B SPEAKERS
(ON/OFF)
Press to turn the speaker
system on or off (page 14).
system on or off (page 14).
C Display
The current status of the
selected component or a list
of selectable items appears
here (page 7).
selected component or a list
of selectable items appears
here (page 7).
D Remote
sensor
Receives signals from remote
commander.
commander.
E DISPLAY
Press to select information
displayed on the display
(page 53).
displayed on the display
(page 53).
F INPUT MODE Press to select the input mode
when the same components
are connected to both digital
and analog jacks (page 50).
are connected to both digital
and analog jacks (page 50).
Name
Function
G MASTER
VOLUME
Turn to adjust the volume
level of all speakers at the
same time (page 27, 28, 29,
30).
level of all speakers at the
same time (page 27, 28, 29,
30).
H MUTING
Press to turn off the sound
temporarily.
Press MUTING again to
restore the sound (page 28).
temporarily.
Press MUTING again to
restore the sound (page 28).
I ANALOG
DIRECT
Press to listen to high quality
analog sound (page 45).
analog sound (page 45).
J INPUT
SELECTOR
Turn to select the input
source to play back (page 28,
29, 30, 45, 46, 48, 49, 50, 52,
54).
source to play back (page 28,
29, 30, 45, 46, 48, 49, 50, 52,
54).
K 2CH
Press to select a sound field
(page 40).
(page 40).
A.F.D.
MOVIE
MUSIC
continued
5
GB
Getting Star
ted
Description and location of parts
Getting Started
Front panel
?/1
SPEAKERS
(ON/OFF)
PHONES
ANALOG
DIRECT
MUTING
INPUT SELECTOR
AUTO CAL MIC
DISPLAY
INPUT MODE
MASTER VOLUME
MEMORY/
ENTER
TUNING
MODE
TUNING
2CH
A.F.D.
MOVIE
MUSIC
8
9
qf
qd
q;
qs
qa
3
1
6
5
2
7
4
Name
Function
A ?/1
(on/standby)
Press to turn the receiver on
or off (page 25, 32, 33, 49).
or off (page 25, 32, 33, 49).
B SPEAKERS
(ON/OFF)
Press to turn the speaker
system on or off (page 14).
system on or off (page 14).
C Display
The current status of the
selected component or a list
of selectable items appears
here (page 7).
selected component or a list
of selectable items appears
here (page 7).
D Remote
sensor
Receives signals from remote
commander.
commander.
E DISPLAY
Press to select information
displayed on the display
(page 54, 58).
displayed on the display
(page 54, 58).
F INPUT MODE Press to select the input mode
when the same components
are connected to both digital
and analog jacks (page 55).
are connected to both digital
and analog jacks (page 55).
Name
Function
G MASTER
VOLUME
Turn to adjust the volume
level of all speakers at the
same time (page 30, 31, 32,
33).
level of all speakers at the
same time (page 30, 31, 32,
33).
H MUTING
Press to turn off the sound
temporarily.
Press MUTING again to
restore the sound (page 31).
temporarily.
Press MUTING again to
restore the sound (page 31).
I ANALOG
DIRECT
Press to listen to high quality
analog sound (page 49).
analog sound (page 49).
J INPUT
SELECTOR
Turn to select the input
source to play back (page 31,
32, 33, 49, 50, 52, 53, 55, 58,
59).
source to play back (page 31,
32, 33, 49, 50, 52, 53, 55, 58,
59).
K 2CH
Press to select a sound field
(page 44).
(page 44).
A.F.D.
MOVIE
MUSIC
continued
6
GB
Name
Function
L MEMORY/
ENTER
Press to operate the tuner
(FM/AM) (page 50).
(FM/AM) (page 50).
TUNING
MODE
MODE
TUNING +/–
M AUTO CAL
MIC jack
Connects to the supplied
optimizer microphone for the
Auto Calibration function
(page 27).
optimizer microphone for the
Auto Calibration function
(page 27).
N PHONES jack Connects to headphones
(page 64).
Ver. 1.1
STR-DG520
6
7
US
Gettin
g
Star
ted
About the indicators on the display
SW
LFE
L
C
R
SL
S
SR
;
D
;
PLII
;
PL
OPT
DTS
MEMORY
ST
MONO
D.RANGE
COAX
HDMI
1
2
3
4
5
6
8
7
9
q;
qa
qs
qd
Name
Function
A SW
Lights up when sub woofer
selection is set to “YES” (page
37) and the audio signal is
output from the SUB
WOOFER jack.
selection is set to “YES” (page
37) and the audio signal is
output from the SUB
WOOFER jack.
B LFE
Lights up when the disc being
played back contains an LFE
(Low Frequency Effect)
channel and the LFE channel
signal is actually being
reproduced.
played back contains an LFE
(Low Frequency Effect)
channel and the LFE channel
signal is actually being
reproduced.
C ; D
Lights up when the receiver is
decoding Dolby Digital
signals.
Note
When playing a Dolby Digital
format disc, be sure that you
have made digital connections
and that INPUT MODE is set
to “AUTO” (page 50).
decoding Dolby Digital
signals.
Note
When playing a Dolby Digital
format disc, be sure that you
have made digital connections
and that INPUT MODE is set
to “AUTO” (page 50).
D ; PL/
; PLII
“
; PL” lights up when the
receiver applies Pro Logic
processing to 2 channel signals
in order to output the center and
surround channel signals.
“
processing to 2 channel signals
in order to output the center and
surround channel signals.
“
; PLII” lights up when the
Pro Logic II Movie/Music
decoder is activated.
However, these indicators do
not light up if both the center
and surround speakers are set to
“NO” (page 33) and you select
a sound field using the A.F.D.
button.
decoder is activated.
However, these indicators do
not light up if both the center
and surround speakers are set to
“NO” (page 33) and you select
a sound field using the A.F.D.
button.
Name
Function
E OPT
Lights up when BD input is
selected. However,
“UNLOCK” appears on the
display if no digital signal is
input through the OPTICAL
jack. “OPT” also lights up
when SAT input is selected if
INPUT MODE is set to
“AUTO” and the source signal
is a digital signal being input
through the OPTICAL jack.
selected. However,
“UNLOCK” appears on the
display if no digital signal is
input through the OPTICAL
jack. “OPT” also lights up
when SAT input is selected if
INPUT MODE is set to
“AUTO” and the source signal
is a digital signal being input
through the OPTICAL jack.
F DTS
Lights up when the receiver is
decoding DTS signals.
Note
When playing a DTS format
disc, be sure that you have
made digital connections and
that INPUT MODE is set to
“AUTO” (page 50).
decoding DTS signals.
Note
When playing a DTS format
disc, be sure that you have
made digital connections and
that INPUT MODE is set to
“AUTO” (page 50).
G MEMORY
Lights up when a memory
function, such as Preset
Memory (page 48), etc., is
activated.
function, such as Preset
Memory (page 48), etc., is
activated.
H Tuner
indicators
Lights up when using the
receiver to tune in radio
stations (page 46), etc.
receiver to tune in radio
stations (page 46), etc.
I Preset
station
indicators
indicators
Lights up when using the
receiver to tune in radio
stations you have preset. For
details on presetting radio
stations, see page 47.
receiver to tune in radio
stations you have preset. For
details on presetting radio
stations, see page 47.
J D.RANGE
Lights up when dynamic range
compression is activated (page
32).
compression is activated (page
32).
continued
8
US
Name
Function
K COAX
Lights up when DVD input is
selected. However,
“UNLOCK” appears on the
display if no digital signal is
input through the COAXIAL
jack.
selected. However,
“UNLOCK” appears on the
display if no digital signal is
input through the COAXIAL
jack.
L HDMI
Lights up when the receiver
recognizes a component
connected via a HDMI IN jack
(page 17).
recognizes a component
connected via a HDMI IN jack
(page 17).
M Playback
channel
indicators
indicators
L
R
C
SL
SR
S
R
C
SL
SR
S
The letters (L, C, R, etc.)
indicate the channels being
played back. The boxes around
the letters vary to show how the
receiver downmixes the source
sound (based on the speaker
settings).
Front Left
Front Right
Center (monaural)
Surround Left
Surround Right
Surround (monaural or the
surround components obtained
by Pro Logic processing)
Example:
Recording format (Front/
Surround): 3/2.1
Output channel: When
surround speakers are set to
“NO” (page 33)
Sound Field: A.F.D. AUTO
indicate the channels being
played back. The boxes around
the letters vary to show how the
receiver downmixes the source
sound (based on the speaker
settings).
Front Left
Front Right
Center (monaural)
Surround Left
Surround Right
Surround (monaural or the
surround components obtained
by Pro Logic processing)
Example:
Recording format (Front/
Surround): 3/2.1
Output channel: When
surround speakers are set to
“NO” (page 33)
Sound Field: A.F.D. AUTO
SW
L
C
R
SL
SR
9
US
Gettin
g
Star
ted
Rear panel
3
2
1
4
7
6
5
DVD IN
BD IN
OUT
OPTICAL
COAXIAL
BD
IN
IN
SAT
IN
DVD
IN
HDMI
AUDIO
OUT
VIDEO
OUT
SAT IN
AUDIO
IN
VIDEO
IN
AUDIO
OUT
SUB WOOFER
DVD IN
MONITOR OUT
Y
P
B
/C
B
P
R
/C
R
SURROUND
CENTER
L
R
FRONT
L
R
SPEAKERS
DMPORT
DIGITAL
AM
ANTENNA
L
R
IN
SA-CD/CD
IN
TV
AUDIO
IN
VIDEO
IN
SAT
VIDEO
VIDEO
IN
DVD
VIDEO
OUT
MONITOR
COMPONENT VIDEO
DC5V
0.7A MAX
A DIGITAL INPUT/OUTPUT section
OPTICAL
IN jacks
IN jacks
Connects to a DVD
player, etc. The
COAXIAL jack
provides a better
sound quality (page
17, 20, 22).
player, etc. The
COAXIAL jack
provides a better
sound quality (page
17, 20, 22).
COAXIAL IN
jack
jack
HDMI IN/
OUT jacks*
OUT jacks*
Connects to a DVD
player or a Blu-ray
disc player. The
image and the
sound are output to
a TV (page 17).
player or a Blu-ray
disc player. The
image and the
sound are output to
a TV (page 17).
B COMPONENT VIDEO INPUT/
OUTPUT section
COMPONENT
VIDEO
INPUT/
OUTPUT
jacks*
VIDEO
INPUT/
OUTPUT
jacks*
Connects to a DVD
player, TV, or a
satellite tuner. You
can enjoy high
quality image (page
19, 20, 22).
player, TV, or a
satellite tuner. You
can enjoy high
quality image (page
19, 20, 22).
Green
(Y)
(Y)
Blue
(P
(P
B
/C
B
)
Red
(P
(P
R
/C
R
)
C SPEAKERS section
Connects to
speakers (page 14).
speakers (page 14).
D VIDEO/AUDIO INPUT/OUTPUT
section
AUDIO IN/
OUT jacks
OUT jacks
Connects to video
and audio jacks of a
VCR, a DVD
player, etc. (page
19–23).
and audio jacks of a
VCR, a DVD
player, etc. (page
19–23).
VIDEO IN/
OUT jacks*
OUT jacks*
E AUDIO INPUT section
AUDIO IN
jacks
jacks
Connects to a Super
Audio CD player,
CD player, etc.
(page 15).
Audio CD player,
CD player, etc.
(page 15).
AUDIO OUT
jack
jack
Connects to a sub
woofer (page 14).
woofer (page 14).
White (L)
Red (R)
Yellow
White (L)
Red (R)
Black
continued
10
US
* You can watch the selected input image when you
connect the HDMI OUT or MONITOR OUT jack
to a TV or projector (page 17, 19).
to a TV or projector (page 17, 19).
You can use the supplied remote to operate the
receiver and to control the Sony audio/video
components that the remote is assigned to
operate (page 54).
receiver and to control the Sony audio/video
components that the remote is assigned to
operate (page 54).
RM-AAU020
F ANTENNA section
FM
ANTENNA
jack
ANTENNA
jack
Connects to the FM
wire antenna
(aerial) supplied
with this receiver
(page 24).
wire antenna
(aerial) supplied
with this receiver
(page 24).
AM
ANTENNA
terminals
ANTENNA
terminals
Connects to the AM
loop antenna
(aerial) supplied
with this receiver
(page 24).
loop antenna
(aerial) supplied
with this receiver
(page 24).
G DMPORT
DMPORT
jack
jack
Connects to a
DIGITAL MEDIA
PORT adapter
(page 51).
DIGITAL MEDIA
PORT adapter
(page 51).
Remote commander
1
2
3
4
6
7
8
0/10
ENTER
9
SYSTEM STANDBY
TV INPUT
SLEEP
DMPORT
VIDEO
BD
DVD
SAT
2CH
A.F.D.
RETURN/EXIT
TV CH –
PRESET –
TV CH +
PRESET +
TUNING –
TV
TUNING +
FM MODE
REPLAY ADVANCE
MOVIE
MUSIC
MEMORY AMP MENU
CLEAR
G
N
I
T
U
M
Y
A
L
P
S
I
D
MASTER VOL
TV VOL
D.SKIP
D.TUNING
DVD/BD
MENU
SA-CD/CD
TV
TUNER
?/1
-
.
H
M
m
X
x
<
<
>
5
>10/
qg
qj
qh
ql
w;
qd
1
3
2
6
7
8
q;
9
qs
qa
4
5
qk
wa
qf
TV
?/1
AV
?/1
TOOLS/
OPTIONS
OPTIONS
MENU/HOME
STR-DG520
7
11
US
Gettin
g
Star
ted
Name
Function
A TV ?/1
(on/standby)
Press TV
?/1 and TV (M) at
the same time to turn the TV
on or off.
on or off.
AV
?/1
(on/standby)
Press to turn on or off the
Sony audio/video components
that the remote is assigned to
operate (page 54).
If you press
Sony audio/video components
that the remote is assigned to
operate (page 54).
If you press
?/1 (B) at the
same time, it will turn off the
receiver and other
components (SYSTEM
STANDBY).
Note
The function of the AV
receiver and other
components (SYSTEM
STANDBY).
Note
The function of the AV
?/1
switch changes automatically
each time you press the input
buttons (
each time you press the input
buttons (
C).
B ?/1
(on/standby)
Press to turn the receiver on or
off.
To turn off all components,
press
off.
To turn off all components,
press
?/1 and AV ?/1 (A) at
the same time (SYSTEM
STANDBY).
STANDBY).
C Input buttons Press one of the buttons to
select the component you
want to use. When you press
any of the input buttons, the
receiver turns on. The buttons
are factory assigned to control
Sony components.
want to use. When you press
any of the input buttons, the
receiver turns on. The buttons
are factory assigned to control
Sony components.
You can change the button
assignments following the
steps in “Changing button
assignments” on page 54.
assignments following the
steps in “Changing button
assignments” on page 54.
D 2CH
Press to select a sound field.
A.F.D.
MOVIE
MUSIC
E DVD/BD
MENU
Press to display the menu of
the DVD or Blu-ray disc on
the TV screen. Then, use
the DVD or Blu-ray disc on
the TV screen. Then, use
V, v,
B, b and (P) to perform
menu operations.
menu operations.
F
D.SKIP
Press to skip a disc when
using a multi-disc changer.
using a multi-disc changer.
G D.TUNING
Press to enter direct tuning
mode.
mode.
Name
Function
H AMP MENU
Press to display the menu of
the receiver. Then, use
the receiver. Then, use
V, v,
B, b and (P) to perform
menu operations.
menu operations.
I MEMORY
Press to store a station.
ENTER
Press to enter the value after
selecting a channel, disc or
track using the numeric
buttons of the TV, VCR or
satellite tuner.
selecting a channel, disc or
track using the numeric
buttons of the TV, VCR or
satellite tuner.
J MUTING
Press to turn off the sound
temporarily.
Press MUTING again to
restore the sound.
Press MUTING and TV (
temporarily.
Press MUTING again to
restore the sound.
Press MUTING and TV (
M)
at the same time to activate
the TV’s muting function.
the TV’s muting function.
K TV VOL
+
a)
/–
Press TV VOL +/– and TV
(
(
M) at the same time to adjust
the TV volume level.
MASTER
VOL +
VOL +
a)
/–
Press to adjust the volume
level of all speakers at the
same time.
level of all speakers at the
same time.
L ./>
b)
Press to skip a track of the CD
player, DVD player or Blu-
ray disc player.
player, DVD player or Blu-
ray disc player.
REPLAY /
ADVANCE
ADVANCE
Press to replay the previous
scene or fast forward the
current scene of the VCR,
DVD player or Blu-ray disc
player.
scene or fast forward the
current scene of the VCR,
DVD player or Blu-ray disc
player.
m/M
b)
Press to
– search tracks in the forward/
– search tracks in the forward/
reverse direction of the
DVD player.
DVD player.
– start fast forward/rewind of
the VCR, CD player or Blu-
ray disc player.
ray disc player.
H
a)b)
Press to start playback of the
VCR, CD player, DVD player
or Blu-ray disc player.
VCR, CD player, DVD player
or Blu-ray disc player.
X
b)
Press to pause playback or
recording of the VCR, CD
player, DVD player or Blu-
ray disc player. (Also starts
recording with components in
recording standby.)
recording of the VCR, CD
player, DVD player or Blu-
ray disc player. (Also starts
recording with components in
recording standby.)
<
<
continued
12
US
Name
Function
x
b)
Press to stop playback of the
VCR, CD player, DVD player
or Blu-ray disc player.
VCR, CD player, DVD player
or Blu-ray disc player.
FM MODE
Press to select the FM
monaural or stereo reception.
monaural or stereo reception.
TV CH +/–
Press TV CH +/– and TV (
M)
at the same time to select
preset TV channels.
preset TV channels.
PRESET +/–
Press to select
– preset stations.
– preset channels of the VCR
– preset stations.
– preset channels of the VCR
or satellite tuner.
TUNING +/–
Press to scan a station.
M TV
Press TV and the button you
want at the same time to
activate the buttons with
orange printing.
want at the same time to
activate the buttons with
orange printing.
N MENU/HOME Press to display the menu of
the VCR, DVD player,
satellite tuner or Blu-ray disc
player on the TV screen.
Press MENU/HOME and TV
(
satellite tuner or Blu-ray disc
player on the TV screen.
Press MENU/HOME and TV
(
M) at the same time to
display the TV’s menu.
Then, use
Then, use
V, v, B, b and
(
P) to perform menu
operations.
O RETURN/
EXIT
O
Press to
– return to the previous menu.
– exit the menu while the
– return to the previous menu.
– exit the menu while the
menu or on-screen guide of
the VCR, DVD player,
satellite tuner or Blu-ray disc
player is displayed on the
TV screen.
the VCR, DVD player,
satellite tuner or Blu-ray disc
player is displayed on the
TV screen.
Press RETURN/EXIT
O and
TV (
M) at the same time to
return to the previous menu or
exit the TV’s menu while the
menu is displayed on the TV
screen.
exit the TV’s menu while the
menu is displayed on the TV
screen.
Name
Function
P
V/v/B/b
After pressing DVD/BD
MENU (
MENU (
E), AMP MENU
(
H) or MENU/HOME (N),
press
V, v, B or b to select the
settings. Then, press
to
enter the selection if you have
pressed DVD/BD MENU or
MENU/HOME previously.
Press also
pressed DVD/BD MENU or
MENU/HOME previously.
Press also
to
enter
the
selection of the receiver,
VCR, satellite tuner, CD
player, DVD player or Blu-
ray disc player.
VCR, satellite tuner, CD
player, DVD player or Blu-
ray disc player.
Q DISPLAY
Press to select information
displayed on the TV screen of
the VCR, satellite tuner, CD
player, DVD player or Blu-
ray disc player.
Press DISPLAY and TV (
displayed on the TV screen of
the VCR, satellite tuner, CD
player, DVD player or Blu-
ray disc player.
Press DISPLAY and TV (
M)
at the same time to display
TV’s information on the TV
screen.
TV’s information on the TV
screen.
R TOOLS/
OPTIONS
Press to display and select the
options of the DVD player or
Blu-ray disc player.
Press TOOLS/OPTIONS and
TV (
options of the DVD player or
Blu-ray disc player.
Press TOOLS/OPTIONS and
TV (
M) at the same time to
display options applicable to
the Sony TV.
the Sony TV.
S -/--
Press to select the channel
entry mode, either one or two
digit of the VCR.
Press -/-- and TV (
entry mode, either one or two
digit of the VCR.
Press -/-- and TV (
M) at the
same time to select the
channel entry mode, either
one or two digits of the TV.
channel entry mode, either
one or two digits of the TV.
>10/
x
Press to select
– track numbers over 10 of the
– track numbers over 10 of the
VCR, satellite tuner or CD
player.
player.
– channel numbers of the
Digital CATV terminal.
CLEAR
Press to clear a mistake when
you press the incorrect
numeric button.
you press the incorrect
numeric button.
,
13
US
Gettin
g
Star
ted
a)
The number 5, MASTER VOL +, TV VOL +, and
H buttons have tactile dots. Use the tactile dots
as references when operating the receiver.
H buttons have tactile dots. Use the tactile dots
as references when operating the receiver.
b)
This button is also available for DIGITAL
MEDIA PORT adapter operation. For details on
the function of the button, see the operating
instructions supplied with the DIGITAL MEDIA
PORT adapter.
MEDIA PORT adapter operation. For details on
the function of the button, see the operating
instructions supplied with the DIGITAL MEDIA
PORT adapter.
Notes
• Some functions explained in this section may not
work depending on the model.
• The above explanation is intended to serve as an
example only. Therefore, depending on the
component, the above operation may not be
possible or may operate differently than described.
component, the above operation may not be
possible or may operate differently than described.
Name
Function
T Numeric
buttons
(number 5
(number 5
a)
)
Press to
– preset/tune to preset
– preset/tune to preset
stations.
– select track numbers of the
CD player, DVD player or
Blu-ray disc player. Press 0/
10 to select track number 10.
Blu-ray disc player. Press 0/
10 to select track number 10.
– select channel numbers of
the VCR or satellite tuner.
Press the numeric buttons and
TV (
TV (
M) at the same time to
select the TV channels.
U TV INPUT
Press TV INPUT and TV (
M)
at the same time to select the
input signal (TV input or
video input).
input signal (TV input or
video input).
SLEEP
Press to activate the Sleep
Timer function and the
duration which the receiver
turns off automatically.
Timer function and the
duration which the receiver
turns off automatically.
STR-DG520
8
SECTION 2
DISASSEMBLY
Note: This set can be disassemble according to the following sequence.
2-4. DIGITAL
BOARD
(Page
10)
2-5. MAIN BOARD SECTION
(Page
(Page
10)
2-1. CASE
(Page
(Page
8)
2-2. BACK PANEL SECTION
(Page
(Page
9)
SET
2-3. FRONT PANEL SECTION
(Page
(Page
9)
2-6. STANDBY
BOARD
(Page
11)
Note: Follow the disassembly procedure in the numerical order given.
2-1. CASE
case
two screws
(+BVTP 3
(+BVTP 3
× 8)
two screws
(+BVST 4
(+BVST 4
× 8) (black)
two
screws
(+BVTT 4
× 8) (silver)
two screws
(+BVST 4
(+BVST 4
× 8) (black)
two
screws
(+BVTT 4
× 8) (silver)
Click on the first or last page to see other STR-DG520 service manuals if exist.