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FM Stereo
FM-AM Receiver
Operating Instructions
4-235-985-14(1)
STR-DB1070
STR-DB870
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.
Serial No.
© 2001 Sony Corporation


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2
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 news papers, 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 a battery, dispose it as
the injurious wastes.
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.
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.
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.
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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3
Table of Contents
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
twice:
"Now Demonstration Mode!! To finish the
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 during the
previous message. 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.
Note
Running the demonstration will clear the
receiver's memory. For details on what will be
cleared, see "Clearing the receiver's memory" on
page 18.
Parts Identification
Main unit ............................................... 5
Hooking Up the Components
Required cords ....................................... 6
Antenna hookups ................................... 7
Audio component hookups .................... 8
Video component hookups .................. 10
Digital component hookups ................. 11
Multi channel input hookups ............... 13
Other hookups ..................................... 14
Hooking Up and Setting Up
the Speaker System
Speaker system hookups ..................... 17
Performing initial setup operations ..... 18
Multi channel surround setup .............. 19
Checking the connections .................... 24
Basic Operations
Selecting the component ..................... 25
Listening to the sound
in another room ............................. 27
Changing the display ........................... 27
Enjoying Surround Sound
Selecting a sound field ........................ 28
Understanding the multi channel
surround displays .......................... 32
Customizing sound fields .................... 33
Receiving Broadcasts
Storing FM stations automatically
(AUTOBETICAL)* ...................... 38
Direct tuning ........................................ 38
Automatic tuning ................................. 39
Preset tuning ........................................ 39
Using the Radio Data System (RDS)* ... 41
* Models of area code CEL only.
** STR-DB870 area code CEL only.
Other Operations
Naming preset stations and program
sources ........................................... 43
Recording ............................................ 43
Using the Sleep Timer ......................... 44
Adjustments using
the SET UP button ....................... 45
CONTROL A1 control system ......... 47
Additional Information
Precautions .......................................... 49
Troubleshooting ................................... 49
Specifications ...................................... 52
Tables of settings using SURR, LEVEL,
EQ, and SET UP buttons ............... 55
Adjustable parameters for each sound
field ............................................... 58
Remote button description** ............... 63
Changing the factory setting of a function
button** ............................................ 66


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4
4-XXX-XXX-XX AA
AC OUTLET
PRE OUT
FRONT SURROUND CENTER
SURROUND
BACK
SUB WOOFER
+
­
+
­
FRONT
R
L
L
R
CENTER
SURROUND
BACK
KERS
IMPEDANCE
SELECTOR
4
8
USE 4-16
Area code
About This Manual
The instructions in this manual are for models
STR-DB1070 and STR-DB870. Check your model
number by looking at the lower right corner of the
front panel. In this manual, the STR-DB1070 (area
code U) is used for illustration purposes unless stated
otherwise. Any difference in operation is clearly
indicated in the text, for example, "STR-DB1070
only".
Type of differences
Feature
DB1070
DB870
5 audio inputs
z
4 audio inputs
z
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 63­66 (for STR-DB870
area code CEL) or refer to the separate operating
instructions supplied with the remote.
Note for the supplied remote
For STR-DB870 area code U, CA
The 2ND ROOM button and the ON SCREEN
button on the remote are not available.


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Parts
Identification
5
·
·
ws
wf
wd
wh
e;
es
wj
wk
ea
ed
wa
wg
12 3
qj
4
qd
567
0 qa qs
qf qg
qh
qk ql
w;
8 9
wl
ef
eg
el
r;
rf
rg
eh
ej
ek
ra
rd rs
2CH qg (30)
2ND ROOM (STR-DB1070 only)
eg (27)
6.1CH DECODING 0 (31)
6.1CH DECODING indicator 7
(31)
A.F.D. qf (30)
AUDIO SPLIT wa (25)
CINEMA STUDIO EX qa (28)
Cursor buttons (
/
) wj (19,
33, 35, 36, 43, 45)
Digital Cinema Sound indicator
5 (28)
DIGITAL CONCERT HALL qs
(29)
DIMMER 4 (27)
DIMMER indicator rs (27)
Display qj (32)
DISPLAY 3 (27, 41)
DOOR OPEN wg
Parts Identification
Main unit
The items are arranged in alphabetical order.
Refer to the pages indicated in parentheses ( ) for details.
ENTER wh (43)
EQ e; (36)
EQUALIZER ef (36)
FM/AM 6 (38, 39)
FM MODE r; (39)
FUNCTION wd (24, 25, 38, 39,
40, 43)
INPUT MODE wf (26)
IR receptor 2
Jog dial wk (19, 33, 35, 36, 43,
45)
LEVEL wl (35)
MASTER VOLUME w; (24, 26)
MEMORY el (38, 40)
MODE +/­ qh (28, 37)
MULTI/2CH A. DIRECT qk (26,
30)
MULTI CHANNEL DECODING
indicator qd
MUTING ws (26)
NAME ed (43)
NIGHT MODE ql (31)
ON SCREEN (STR-DB1070
only) rd (10)
PHONES jack rg (26)
PRESET TUNING +/­ 9 (40)
PTY SELECT +/­ (Models of
area code CEL only) eh (41)
RDS/PTY (Models of area code
CEL only) ek (41)
SET UP es (19, 45)
SHIFT 8 (40)
SLEEP (Except for models of area
code CEL) ek (44)
SPEAKERS switch rf (26)
STREAM INFO (STR-DB870
only) eg (27)
SURR ea (33)
TEST TONE ej (24)
TUNING +/­ eh (39)
VIDEO 3 INPUT jacks ra (10)
?/1 (power) 1 (18, 23, 24, 37,
38)