DOWNLOAD Sony HT-DDW830 / STR-DE575 / STR-K502 / STR-K502P Service Manual ↓ Size: 14.35 MB | Pages: 43 in PDF or view online for FREE

Model
HT-DDW830 STR-DE575 STR-K502 STR-K502P
Pages
43
Size
14.35 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ddw830-str-de575-str-k502-str-k502p.pdf
Date

Sony HT-DDW830 / STR-DE575 / STR-K502 / STR-K502P Service Manual ▷ View online

5
STR-DE575/K502/K502P
SECTION 1
GENERAL
MULTI CHANNEL DECODING
INPUT MODE
MUTING
VIDEO 1
MD/TAPE
VIDEO 2
CD
DVD/LD
TUNER
TV/SAT
AUX
DISPLAY
DIMMER
PHONES
SPEAKERS
MEMORY
SHIFT
FM MODE
FM
AM
EQ
SURR
LEVEL
SET UP
NAME
A
ENTER
A.F.D.
SOUND FIELD
MULTI CH IN
EQUALIZER
CINEMA STUDIO EX
MODE
2CH
PRESET
TUNING
TUNING
+
+
B
C
MASTER VOLUME
+
8
9
0
qa
qs
1
qd
qf
2 3
4
5
6
7
m
1
?/1
 switch
Press to turn the receiver on and off.
2
DISPLAY button
Press repeatedly to change the information on the
display window as follows:
Index name of the component or the preset station*
m
FUNCTION button indication or frequency**
m
Sound field applied to the program source
* Index name appears only when you have assigned one to the
component or preset station (see page 41). Index name does not
appear when only blank spaces have been entered, or it is the
same as the function button.
** Frequency appears only when the tuner is selected.
3
DIMMER button
Press repeatedly to adjust the brightness of the
display. When you want to turn off the display, set in
the “DIM.RANGE” parameter in the SET UP menu
(page 45).
4
5
The following buttons operate the built-in tuner. For
details, see “Receiving Broadcasts” starting from page 38.
PRESET TUNING +/– buttons
Scan all preset stations.
TUNING +/- buttons
Scan all the available radio stations.
MEMORY button
Press to memorize a preset station.
SHIFT button
Selects a memory page for preset stations.
FM MODE button
If “STEREO” flashes in the display and the FM stereo
reception is poor, press this button. You will not have
the stereo effect but the sound is improved.
FM button
Selects the FM band.
AM button
Selects the AM band.
MULTI CHANNEL DECODING indicator
This indicator lights up when the unit is decoding
signals recorded in a multi channel format.
6
Use the CINEMA STUDIO EX buttons to enjoy the
CINEMA STUDIO EX sound effects.
A/B/C buttons
Press to activate the CINEMA STUDIO EX A, B or C
sound field (page 29).
7
Use the SOUND FIELD buttons to enjoy surround
sound. For details, see “Enjoying Surround Sound”
starting from page 27.
A.F.D. button / indicator
Press to set the receiver to automatically detect the
type of audio signal being input and perform proper
decoding (if necessary).
MODE button / indicator
Press to activate the sound field selection mode (page 28).
2CH button / indicator
Press to output sound from only the front (left and
right) speakers.
8
INPUT MODE button
Press to select the input mode for your digital
components (DVD/LD, TV/SAT).
Each press switches the input mode of the currently
selected component.
Select
To
AUTO
Give priority to digital signals
when there are both digital and
analog connections. If there are no
digital signals, analog is selected
DIGITAL (OPTICAL)
Specify the digital audio signals
input to the DIGITAL OPTICAL
input jacks
DIGITAL (COAXIAL)
Specify the digital audio signals
input to the DIGITAL COAXIAL
input jacks (DVD/LD only)
ANALOG
Specify the analog audio signals
input to the AUDIO IN (L and R)
jacks
Note
If 96 kHz digital signal is input, the tone, sound field and
surround parameters do not function.
9
Function buttons
Press one of the buttons to select the component you
want to use.
To select
Press
VCR
VIDEO
DVD or LD player
DVD/LD
TV or satellite tuner
TV/SAT
MD or Tape deck
MD/TAPE
CD player
CD
Built in tuner
TUNER
An audio component
AUX
After selecting the component, turn on the component
you selected and play the program source.
• After selecting VCR, DVD player, or LD player, turn on the
TV and set the TV’s video input to match the component
you selected.
0
MASTER VOLUME control
After turning on the component you selected, rotate to
adjust the volume.
qa
MUTING button
Press to mute the sound. MUTING appears in the
display when the sound is muted.
qs
 EQUALIZER button 
Press to turn the equalizer on or off. The EQ indicator
in the display lights when the equalizer is turned on.
When you adjust the equalizer using the EQ
parameters (page 36) the settings are stored
automatically and can be reproduced wherever you
turn on the equalizer.
• The equalizer is not compatible with 96 kHz digital audio
signals and during MULTI CH IN input.
z
When you want to listen to an analog source
without any digital processing
Do the following to bypass the sound field and equalizer
circuits.
1 Press 2CH.
2 Press EQ to turn off the EQ indicator.
The result will be a sound that is highly faithful to the
program source.
qd
MULTI CH IN button
Press to enjoy the audio source connected to the
MULTI CH IN jacks with the video from the selected
component. Press again to cancel MULTI CH IN.
• When the MULTI CH IN is selected, the tone, equalizer,
and sound field effects do not function.
qf
SPEAKERS button
Press SPEAKERS button to ON.
PHONES jack
Connects headphones.
• When you connect the headphones, no sound will come
from the speakers.
This section is extracted
from instruction manual.
6
STR-DE575/K502/K502P
MULTI CHANNEL DECODING
INPUT MODE
MUTING
VIDEO 1
MD/TAPE
VIDEO 2
CD
DVD/LD
TUNER
TV/SAT
AUX
DISPLAY
DIMMER
PHONES
SPEAKERS
MEMORY
SHIFT
FM MODE
FM
AM
EQ
SURR
LEVEL
SET UP
NAME
A
ENTER
A.F.D.
SOUND FIELD
MULTI CH IN
EQUALIZER
CINEMA STUDIO EX
MODE
2CH
PRESET
TUNING
TUNING
+
+
B
C
MASTER VOLUME
+
w;
wa
ws
qg
qh
qj qk
ql
qg
EQ button
Press to activate the equalizer parameters (page 36).
The indicator on the button lights up and you can
adjust the various equalizer parameters.
qh
SURR button
Press to activate the surround parameters (page 34).
The indicator on the button lights up and you can
adjust the various surround parameters (effect level,
wall type, etc.).
qj
LEVEL button
Press to activate the speaker level parameters (page
35). The indicator on the button lights up and you can
adjust the various speaker level parameters (front
balance, surround balance, etc.).
qk
SET UP button
Press to activate the setup mode, then use the cursor
buttons (wa) to select any of the following indications.
You can then make various settings using the jog dial
(ws).
When you select
You can
Speaker type
Specify the type of speakers.
(page 17)
Speaker setup
Specify the front, center,
surround speaker sizes, the
surround speaker position, and
whether or not you are using a
sub woofer. (page 17)
When you select
You can
Speaker Distance
Specify the front, center, and
surround speaker distances.
(page 19)
MULTI CH IN video input Specify the video input to be
used with the audio signals from
the MULTI CH IN jacks. (page
45)
Dimmer range
Specify the display to turn off
when you press the DIMMER
button several times. (page 45)
ql
NAME button
Press to activate the name function and enter names
for preset stations and program sources (page 43).
w;
ENTER button
Press to enter individual characters for the preset
station and program source names.
wa
Cursor buttons (
/
)
Press to select various speaker level, surround, and
equalizer parameters (etc.).
ws
Jog dial
Turn to adjust the selected speaker level, surround,
and equalizer parameters (etc.).
7
STR-DE575/K502/K502P
SECTION 2
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the  VIDEO  and the  2CH  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.
The message FACTORY appears and switch off the set.
While depressing the  VIDEO  and the  2CH  buttons simul-
taneously, press the power  ?/1  button again. The message
FACTORY appears and the present contents are reset to the default
values.
AM CHANNEL STEP 9 KHZ/10 KHZ
SELECTION MODE
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Set the FUNCTION to AM.  Turn off the main power.
While depressing the  TUNING+ button or the
PRESET TUNING+ button, press the power  ?/1  button to turn
on the main power.  Either the message 9 k STEP or 10 k STEP
appears.  Select the desired step.
* For US/Canadian/E model only
DSP VERSION DISPLAY MODE
* DSP version is displayed.
* Procedure :
While depressing the  MD/TAPE  and the  A.F.D  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.
“ DSP ”and the version are displayed.
FLUORESCENT INDICATOR TUBE TEST MODE
* All fluorescent segments are tested.  When this test is activated,
all segments turn on at the same time, then each segment turns on
one after another.
* Procedure:
While depressing the  MD/TAPE  and the  SHIFT  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.
1. All segments turn on.
All LED turn on.
2. Press the  VIDEO  button, confirm display
MULTI CHANNEL DECODING (blue),  Digital Cinema Sound ,
LEVEL  ,  SET UP  ,  A.F.D  and  MODE  LED turn on.
3. Press the  VIDEO  button, confirm display
EQ  ,  SUR  ,  NAME  and  2CH  LED turn on.
4. Press the  VIDEO  button, All segments turn off.
5. Every pressing of the VIDEO  button turns on each
segment and LED one after another in the same order.
(Not only the  VIDEO  button, but also the other buttons such as
DVD/LD , TV/SAT , MD/TAPE , CD , TUNER and AUX can
be used.)
SOUND FIELD CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
* Procedure:
While depressing the SOUND FIELD MODE button, press the
power  ?/1  button to turn on the main power.  The message
SURR. CLR. appears and initialization is performed.
DEMONSTRATION MODE
* Demonstration is performed.
* Procedure :
While depressing the  SET UP  button, press the power  ?/1
button. The message appears and demonstration is performed.
* To finish DEMONSTRATION MODE, press the power ?/1
button while the introduction message appears in the display.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the TUNER and the SHIFT buttons
simultaneously, press the power  ?/1  button to turn on the main
power.  The model name, destination and the software version are
displayed.
KEY CHECK MODE
* Button check
* Procedure:
While depressing the VIDEO  and the SHIFT buttons
simultaneously, press the power  ?/1  button to turn on the main
power.
“REST 36” appears.
Every pressing of any button other than  ?/1  and  SPEAKERS
counts down the buttons.  The buttons which are already counted
once are not counted again.  When all buttons are pressed “REST
00” appears.
When MASTER VOLUME is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 48”, “VOL MAX” appear.
SW
L
SL
C
R
S
SR
SLEEP
SP.OFF
( ( ( L F E ) ) )
DIGITAL
OPT COAX MULTI CH IN
PRO LOGIC DTS MPEGSTEREO MONO RDS
MEMORY
MUTING
INFO
NEWS
TA
EQ
D.RANGE
D D
dB
kHz
mft.
MHz
SW
L
R
S
SLEEP
 L F E 
COAX
PRO LOGIC
MPEGSTEREO
RDS
MUTING
INFO
TA
D.RANGE
D D
k    
m   
MHz
SL
C
SR
SP.OFF
( ( (       ) ) )
DIGITAL
OPT
MULTI CH IN
DTS
MONO
MEMORY
NEWS
EQ
dB
  Hz
   ft.
8
STR-DE575/K502/K502P
DSP TEST  MODE
* DSP tests are performed.
* Procedure :
1. While depressing the  LEVEL  and  CD  buttons simultaneously,
press the power  ?/1  Button to turn on the main power.
2. Press the   NAME  button.
3. Select the item by pressing Cursor button ( <  or  >  ).
4. Select the function by turning Jog dial if selection is necessary.
Items
SWAP
DSP communication
Bass Management
Main Speaker cut off Freq.
LFE cut off Freq.
Co-ef. Read Address
Co-ef. Read Data
Co-ef. Write Address
Co-ef. Write Data
SRAM
Remark
Selection of setting
output channels
Checking communication
between DSP and microcom
Checking communication
between DSP and SRAM
Description
Normal channel output
Left input
t Front Left, Surround Left, Center channel output
Right input t Front Right, Surround Right, Sub Woofer channel output
Left input
t Center channel output
Right input t Sub Woofer channel output
Left input
t Surround Left channel output
Right input t Surround Right channel output
When this item is selected the message will be displayed “ OK ” if the
checking is correct. “ ERROR ” will be displayed in a case of an error.
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
“ RAMC. OFF ” will be displayed in a case of no checking.
By turning Jog dial “ RAMC. EXE ” will be displayed during the
checking.
After a while “ RAMC. PASS ” will be displayed if the checking is good.
“ RAMC. NG ” will be displayed if an error occurs.
Function
NORM
ALL
C SW
SLSR
OFF
ON
Page of 43
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