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FM Stereo
FM-AM Receiver
4-238-379-12(1)
STR-DE685
Owner's Record
The model and serial numbers are located on the rear panel. Record the serial number
in the space provided below. Refer to them whenever you call upon your Sony dealer
regarding this product.
Model No. STR-DE685
Serial No.
© 2002 Sony Corporation
GB
Operating Instructions


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2GB
WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
To prevent fire, do not cover the ventilation of the
apparatus with newspapers, table-cloths, curtains,
etc. And don't place lighted candles on the apparatus.
To prevent fire or shock hazard, do not place objects
filled with liquids, such as vases, on the apparatus.
Don't throw away the battery with
general house waste, dispose of it
correctly as chemical waste.
Do not install the appliance in a confined space, such
as a bookcase or built-in cabinet.
For customers in the United States
This symbol is intended to alert the
user to the presence of uninsulated
"dangerous voltage" within the
product's enclosure that may be of
sufficient magnitude to constitute a
risk of electric shock to persons.
This symbol is intended to alert the
user to the presence of important
operating and maintenance (servicing)
instructions in the literature
accompanying the appliance.
WARNING
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the
interference by one or more of the following
measures:
­ Reorient or relocate the receiving antenna.
­ Increase the separation between the equipment and
receiver.
­ Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
­ Consult the dealer or an experienced radio/TV
technician for help.
CAUTION
You are cautioned that any changes or modification
not expressly approved in this manual could void
your authority to operate this equipment.
Note to CATV system installer:
This reminder is provided to call CATV system
installer's attention to Article 820-40 of the NEC that
provides guidelines for proper grounding and, in
particular, specifies that the cable ground shall be
connected to the grounding system of the building, as
close to the point of cable entry as practical.
For customers in Canada
CAUTION
TO PREVENT ELECTRIC SHOCK, DO NOT USE
THIS POLARIZED AC PLUG WITH AN
EXTENSION CORD, RECEPTACLE OR OTHER
OUTLET UNLESS THE BLADES CAN BE FULLY
INSERTED TO PREVENT BLADE EXPOSURE.
ENERGY STAR® is a U.S. registered
mark.
As an
ENERGY STAR® partner, Sony
Corporation has determined that this
product meets the
ENERGY STAR®
guidelines for energy efficiency.
This receiver incorporates Dolby* Digital and Pro
Logic Surround and the DTS** Digital Surround
System.
* Manufactured under license from Dolby
Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are
trademarks of Dolby Laboratories.
** "DTS" and "DTS Digital Surround" are registered
trademarks of Digital Theater Systems, Inc.


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3GB
Table of Contents
GB
List of Button Locations and
Reference Pages
Main unit ............................................... 5
Hooking Up the Components
Required cords ....................................... 6
Antenna hookups ................................... 7
Audio component hookups .................... 8
Video component hookups .................... 9
Digital component hookups ................. 10
Multi channel input hookups ............... 12
Other hookups ..................................... 13
Hooking Up and Setting Up
the Speaker System
Speaker system hookups ..................... 15
Performing initial setup operations ..... 17
Multi channel surround setup .............. 17
Checking the connections .................... 22
Basic Operations
Selecting the component ..................... 23
Changing the display ........................... 24
Enjoying Surround Sound
Automatically decoding the input
audio signal ................................... 25
Selecting a sound field ........................ 25
Using only the front speakers
(2 Channel Stereo) ......................... 27
Enjoying stereo sound in multi channel
(Dolby Pro Logic
) ..................... 27
Understanding the multi channel
surround displays .......................... 28
Customizing sound fields .................... 29
Receiving Broadcasts
Storing FM stations automatically
(AUTOBETICAL)1) ...................... 32
Direct tuning ........................................ 32
Automatic tuning ................................. 33
Preset tuning ........................................ 33
Using the Radio Data System (RDS)1) .... 35
Other Operations
Naming preset stations and program
sources ........................................... 37
Recording ............................................ 37
Using the Sleep Timer ......................... 38
Adjustments using the
SET UP button .............................. 38
CONTROL A1
control system ......... 39
Operations Using the Remote
RM-PP4112)
Before you use your remote ................ 42
Remote button description ................... 42
Selecting the mode of the remote ........ 45
Programming the remote ..................... 46
Operations Using the Remote
RM-U305C3)
Before you use your remote ................ 49
Remote button description ................... 49
Changing the factory setting of
a function button ........................... 52
Additional Information
Precautions .......................................... 53
Troubleshooting ................................... 53
Specifications ...................................... 56
Tables of settings using SURR, LEVEL,
EQ, and SET UP buttons ............... 59
Adjustable parameters for each
sound field ........................ Back page
1)
Models of area code CEL, CEK only.
2)
Models of area code U, CA only.
3)
Except for models of area code U, CA.


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4GB
4-XXX-XXX-XX AA
VIDEO
SPEAKERS IMPEDANCE USE 8 ­ 16
Y
PB B-Y
PR R-Y
NITOR
OUT
R
L
EAKERS IMPEDANCE USE 8 ­ 16
FRONT A
CENTER
AC OUTLET
FRONT B
RL
RL
Area code
About This Manual
The instructions in this manual are for model
STR-DE685. Check your model number by looking at
the lower right corner of the front panel.
About area codes
The area code of the receiver you purchased is
shown on the lower portion of the rear panel (see
the illustration below).
Any differences in operation, according to the
area code, are clearly indicated in the text, for
example, "Models of area code AA only".
Tip
The instructions in this manual describe the controls
on the receiver. You can also use the controls on the
supplied remote if they have the same or similar
names as those on the receiver. For details on the use
of your remote, see
· pages 42­48 for RM­PP411 (models of area code
U, CA only).
· pages 49­52 for RM­U305C (except for models of
area code U, CA)
Note for the supplied remote
For RM-PP411 (Models of area code
U, CA only)
The TV/SAT, PHONO, SOURCE, MPX/
DUAL, ANALOG DIRECT, 12 and
ON SCREEN buttons on the remote are not
available.
For RM-U305C (Except for models of
area code U, CA)
The TV/SAT and PHONO buttons on the
remote are not available.
Demonstration Mode
The demonstration will activate the first time you
turn on the power. When the demonstration starts,
the following message appears in the display:
"NOW DEMONSTRATION MODE IF
YOU FINISH DEMONSTRATION
PLEASE PRESS POWER KEY WHILE
THIS MESSAGE APPEARS IN THE
DISPLAY THANK YOU"
To cancel the demonstration
Press ?/1 to turn the receiver off while the above
message is being displayed. The next time you
turn the receiver on, the demonstration will not
appear.
To view the demonstration
Hold down SET UP and press ?/1 to turn on the
power.
Notes
· Running the demonstration will clear the
receiver's memory. For details on what will be
cleared, see "Clearing the receiver's memory"
on page 17.
· There will be no sound when the demonstration
mode is activated.
· You cannot cancel demonstration if you did not
press ?/1 while the above message is being
displayed. To cancel demonstration after the
above message appears, press ?/1 twice to
activate the demonstration again. Then, press
?/1 while the above message is being
displayed.


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5GB
List
of
Button
Locations
and
Reference
Pages
wk
wl
e;
ea
es
ed
ej
ek
el
r;
ra
rs
eh
ef
eg
123
5
9 0
6
qa qsqd qf qg
qj qk ql
w; ws wf wh
wa wd wg wj
qh
7
4
8
List of Button Locations and Reference Pages
Main unit
FM/AM (Models of area code
CEL, CEK only) ej (32, 33)
FM MODE (Models of area code
CEL, CEK only) ek , (Except
for models of area code CEL,
CEK) el (33)
INPUT MODE ql (23)
IR (receptor) 6 (42, 49, 55)
Jog dial eh (18, 29, 31, 37, 38)
L ­ O
LEVEL qs (18, 22, 29, 59)
MASTER VOLUME wk (22, 53)
MD/TAPE wa (23)
MEMORY ra (32, 34)
MODE es (26, 31, 54)
MULTI CHANNEL DECODING
(indicator) qa (23)
MULTI CH IN e; (23)
MUTING wl (24, 53)
NAME qf (37)
P ­ S
PHONES (jack) 3 (24, 54)
PRESET/PTY SELECT +/­
(Models of area code CEL, CEK
only) 7 (34, 35)
PRESET TUNING +/­ (Except
for models of area code CEL,
CEK) 7 (34, 57)
PTY (Models of area code CEL,
CEK only) el (35)
SET UP qd (4, 18, 38, 59)
SHIFT r; (34)
SPEAKERS A/B 2 (24, 29, 53)
SURR 0 (29, 59)
T ­ Z
TUNER wg (23, 33, 34, 37)
TUNING +/­ 8 (33)
VIDEO 1 w; (23)
VIDEO 2 ws (23)
VIDEO 3 wf (23)
VIDEO 3 INPUT (jacks) rs (9)
BUTTON DESCRIPTIONS
`/1 (power) 1 (4, 17, 22, 31,
32, 57)
</> eg (18, 29, 31, 37, 38)
ALPHABETICAL ORDER
0 ­ 9
2 CH ea (27)
A ­ D
A.DEC ed (25, 27)
AM (Except for models of area
code CEL, CEK) ej (32, 33)
AUX wj (23)
CD/SACD wd (23)
CINEMA STUDIO EX A,B,C qh
(26)
Digital Cinema Sound (indicator)
qj (25)
DIMMER 5 (24)
DISPLAY 4 (24, 35, 55)
Display qg (24)
DVD/LD wh (23)
E ­ K
ENTER ef (37)
EQ 9 (31, 59)
EQUALIZER qk (31)
FM (Except for models of area
code CEL, CEK) ek (32, 33)
How to use this page
Use this page to find the location of buttons that are
mentioned in the text.
Illustration number
r
NAME
qf (37)
R
R
Name of button/part
Reference page