Sony STR-DB795 Service Manual ▷ View online
5
STR-DB795
• MODEL IDENTIFICATION
– Back Panel –
PART No.
Model
PART No.
AEP and UK models
4-050-932-0[]
Singapore and Malaysia models
4-050-932-2[]
Australian model
4-050-932-3[]
Taiwan model
4-050-932-4[]
Korean model
4-050-932-5[]
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
•
Unleaded solder melts at a temperature about 40
°
C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350
°
C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
•
Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
occur such as on IC pins, etc.
•
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
SECTION 1
SERVICING NOTES
6
STR-DB795
SERVICE POSITION
[Connecting the clip for GND]
When checking without back panel, it is necessary to connect the clip for GND to a chassis.
clip
AU-IN board (JW101)
It is necessary to remove cord bushing from back panel.
7
STR-DB795
SECTION 2
GENERAL
This section is extracted from
instruction manual.
instruction manual.
Main unit
A.F.D. qg
DIRECT q;
DISPLAY 7
Display 5
INPUT MODE 8
INPUT SELECTOR qs
IR receptor 1
IR receptor 1
MAIN MENU 3
MASTER VOLUME
−
/+ 9
MEMORY/ENTER 4
MENU ws
MOVIE qf
MULTI CHANNEL DECODING
MULTI CHANNEL DECODING
indicator 6
MULTI CH IN qa
MUSIC qd
PHONES jack wd
PRESET TUNING
−
/+ ql
SPEAKERS (OFF/A/B/A+B) wf
SURR BACK DECODING qj
TUNING
SURR BACK DECODING qj
TUNING
−
/+ qk
VIDEO 3 INPUT jacks wa
ALPHABETICAL ORDER
2CH qh
−
/+ w;
?/1 (power) 2
NUMBERS AND SYMBOLS
2
8
9
6
5
3
4
7
1
wa
wf
wdws
w;
qk
qj qh qg qf qd
qs
q;
qa
ql
H
X
M
m
.
>
-
VIDEO1
VIDEO2
RM SET UP
SYSTEM STANDBY SLEEP
AV1
AV2
TV
?/1
AV
?/1
VIDEO3
DVD
TV/SAT
MD/TAPE SA-CD/CD TUNER
PHONO
AUX
MULTI CH SOURCE
SHIFT
TOP MENU/
GUIDE
AV MENU
MUTING
MASTER
VOL
DISPLAY
TV VOL
TV CH
WIDE
DIMMER
TV/
VIDEO
MAIN
MENU
RETURN/EXIT
D.TUNING
DISC
ALT
ANT
CLEAR SEARCH MODE
2CH
A.F.D.
1
2
3
4
5
6
7
8
9
0/10
>10/11
12
MOVIE
SUBTITLE
ENTER
MUSIC
AUDIO
ANGLE
JUMP/
TIME
PRESET/
CH/D.SKIP
TEST
TONE
SB
DECODING
DIRECT
DUAL
MONO
x
?/1
P
O
v
V
b
B
1
2
9
qa
5
3
4
6
7
8
q;
qs
qd
qf
qg
qh
qj
qk
w;
ws
wd
wf
wg
wa
wh
ql
ENTER
The tables below show the settings of each
button.
button.
Remote
Button
Button
Operations
Function
A.F.D. wd Receiver
Selects the decoding
mode for audio sound.
mode for audio sound.
ALT 9
Remote
When ALT button lights
up, it changes the remote
key function to activate
those buttons with
orange printing.
up, it changes the remote
key function to activate
those buttons with
orange printing.
ANGLE
w;
w;
DVD player
Selects viewing angle or
changes the angles.
changes the angles.
ANT ql
VCR
Selects output signal
from the antenna
terminal: TV signal or
VCR program.
from the antenna
terminal: TV signal or
VCR program.
AUDIO
wa
wa
TV/VCR/
DVD player
DVD player
Changes the sound to
Multiplex, Bilingual or
Multi channel TV
Sound.
Multiplex, Bilingual or
Multi channel TV
Sound.
AUX wf
Receiver
To listen to an audio
equipment.
equipment.
AV
MENU qj
MENU qj
VCR/
Satellite tuner/
DVD player
Satellite tuner/
DVD player
Displays menu.
AV1 and
AV2 wh
AV2 wh
Remote
Selects the command
mode of the remote.
mode of the remote.
AV ?/1
1
1
TV/VCR/
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck
Turns the audio and
video components on or
off.
video components on or
off.
CLEAR
qk
qk
CD player/
DVD player
DVD player
Clears a mistake when
you press the incorrect
numeric buttons or
returns to continuos
playback etc.
you press the incorrect
numeric buttons or
returns to continuos
playback etc.
DIMMER
qf
qf
Receiver
Adjusts the brightness of
the display.
the display.
DIRECT
ws
ws
Receiver
Selects 2CH ANALOG
DIRECT.
DIRECT.
DISC q;
CD player/
VCD player
VCD player
Selects a disc directly
(multi-disc changer
only).
(multi-disc changer
only).
Remote
Button
Button
Operations
Function
DISPLAY
qg
qg
TV/VCR/
VCD player/
LD player/
DVD player
VCD player/
LD player/
DVD player
Selects information
displayed on the TV
screen.
displayed on the TV
screen.
D.TUNING
qk
qk
Receiver
Enters direct tuning
mode.
mode.
DUAL
MONO 6
MONO 6
Receiver
Selects the language
you want during
digital broadcast.
you want during
digital broadcast.
DVD 2
Receiver
To watch DVD.
ENTER 8
TV/VCR/
satellite tuner/
LD player/
MD deck/
DAT deck/
satellite tuner/
LD player/
MD deck/
DAT deck/
Tape deck
After selecting a
channel, disc or track
using the numeric
buttons, press to enter
the value.
channel, disc or track
using the numeric
buttons, press to enter
the value.
ENTER qh
Receiver/
VCR/
Satellite tuner/
DVD player
VCR/
Satellite tuner/
DVD player
Enters the selection.
JUMP/TIME
7
7
Satellite tuner Toggles between the
previous and the
current channels.
current channels.
CD player/
MD deck/
VCD player/
DVD player
MD deck/
VCD player/
DVD player
Shows the time or
displays the playing
time of disc, etc.
displays the playing
time of disc, etc.
MAIN
MENU qd
MENU qd
Receiver
Selects the menu of
the receiver.
the receiver.
MASTER
VOL +/
VOL +/
−
qs
Receiver
Adjusts the master
volume of the
receiver.
volume of the
receiver.
MD/TAPE
wg
wg
Receiver
To listen to Minidisc
or audio tape.
or audio tape.
MOVIE 4
Receiver
Selects the pre-
programmed sound
fields for movie.
programmed sound
fields for movie.
MULTI CH
3
3
Receiver
Selects MULTI CH
IN source.
IN source.
MUSIC 5
Receiver
Selects the pre-
programmed sound
fields for music.
programmed sound
fields for music.
MUTING qa Receiver
Mutes the sound from
the receiver.
the receiver.
Remote Commander (RM-PP413)
8
STR-DB795
H
X
M
m
.
>
-
VIDEO1
VIDEO2
RM SET UP
SYSTEM STANDBY SLEEP
AV1
AV2
TV
?/1
AV
?/1
VIDEO3
DVD
TV/SAT
MD/TAPE SA-CD/CD TUNER
PHONO
AUX
MULTI CH SOURCE
SHIFT
TOP MENU/
GUIDE
AV MENU
MUTING
MASTER
VOL
DISPLAY
TV VOL
TV CH
WIDE
DIMMER
TV/
VIDEO
MAIN
MENU
RETURN/EXIT
D.TUNING
DISC
ALT
ANT
CLEAR SEARCH MODE
2CH
A.F.D.
1
2
3
4
5
6
7
8
9
0/10
>10/11
12
MOVIE
SUBTITLE
ENTER
MUSIC
AUDIO
ANGLE
JUMP/
TIME
PRESET/
CH/D.SKIP
TEST
TONE
SB
DECODING
DIRECT
DUAL
MONO
x
?/1
P
O
v
V
b
B
wj
e;
ea
eh
es
wk
wl
eg
ed
ef
ra
rs
ej
ek
el
r;
rd
rf
rh
rg
rj
rk
rl
t;
ta
td
ts
tf
ENTER
Remote
Button
Button
Operations
Function
PHONO rl
Receiver
To listen to turntable.
PRESET/
CH/
CH/
Receiver
Selects preset
stations.
stations.
D.SKIP +/
−
ed
TV/VCR/
satellite tuner
satellite tuner
Selects preset
channels.
channels.
CD player/
VCD player/
DVD player/
MD deck
VCD player/
DVD player/
MD deck
Skips discs (multi-
disc changer only).
disc changer only).
RETURN/
EXIT ej
EXIT ej
VCD player/
LD player/
DVD player
LD player/
DVD player
Returns to the
previous menu.
previous menu.
Satellite tuner Exits the menu.
RM SET UP
tf
tf
Remote
To set up the remote.
SA-CD/CD
wl
wl
Receiver
To listen to Super
Audio CD or compact
disc.
Audio CD or compact
disc.
SB
DECODING
es
DECODING
es
Receiver
Selects the surround
back decoding modes.
back decoding modes.
SEARCH
MODE q;
MODE q;
DVD player
Selects searching
mode. Press to select
the unit for search
(track, index, etc.)
mode. Press to select
the unit for search
(track, index, etc.)
SHIFT ql
Receiver
Selects a memory
page for presetting
radio stations or
tuning to preset
stations.
page for presetting
radio stations or
tuning to preset
stations.
SLEEP wj
Receiver
Activates the sleep
function and the
duration which the
receiver turns off
automatically.
function and the
duration which the
receiver turns off
automatically.
SOURCE ea Remote
Selects 2ND AV
output.
output.
SUBTITLE
ef
ef
DVD player
Changes the subtitles.
SYSTEM
STANDBY
(Press AV
?/1 1 and
?/1 wj at
the same
time)
STANDBY
(Press AV
?/1 1 and
?/1 wj at
the same
time)
Receiver/
TV/VCR/
Satellite tuner/
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck
TV/VCR/
Satellite tuner/
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck
Turns off the receiver
and other Sony audio/
video components.
and other Sony audio/
video components.
TEST
TONE rj
TONE rj
Receiver
Outputs test tone.
Remote
Button
Button
Operations
Function
TOP MENU/ DVD player
Displays DVD title.
GUIDE rs
Satellite tuner Displays guide menu.
TUNER e;
Receiver
To listen to radio
programs.
programs.
TV CH +/
−
r;
TV
Selects preset TV
channels.
channels.
TV/SAT t;
Receiver
To watch TV
programs or satellite
receiver.
programs or satellite
receiver.
TV/VIDEO
ek
ek
TV
Selects input signal:
TV input or video
input.
TV input or video
input.
TV VOL
+/
+/
−
ra
TV
Adjusts the volume of
the TV.
the TV.
TV ?/1 td
TV
Turns the TV on or
off.
off.
VIDEO1 ta
Receiver
To watch VCR.
(VTR mode 3)
(VTR mode 3)
VIDEO2 ts
Receiver
To watch VCR.
(VTR mode 1)
(VTR mode 1)
VIDEO3 wk
Receiver
To watch VCR.
(VTR mode 2)
(VTR mode 2)
WIDE el
TV
Selects the wide
picture mode.
picture mode.
1-9 and
0/10 rh
0/10 rh
Receiver
Use with SHIFT to
preset radio station or
tuning to preset
stations and with
D.TUNING for direct
tuning.
preset radio station or
tuning to preset
stations and with
D.TUNING for direct
tuning.
CD player/
VCD player/
LD player/
MD deck/
DAT deck
VCD player/
LD player/
MD deck/
DAT deck
Selects track
numbers.
0/10 selects track 10.
numbers.
0/10 selects track 10.
TV/VCR/
Satellite tuner
Satellite tuner
Selects channel
numbers.
numbers.
2CH rk
Receiver
Selects 2CH
STEREO mode.
STEREO mode.
>10/11 ef
CD player/
VCD player/
LD player/
MD deck
VCD player/
LD player/
MD deck
Selects track numbers
over 10.
over 10.
-/-- q;
TV
Selects the channel
entry mode, either one
or two digit.
entry mode, either one
or two digit.
Remote
Button
Button
Operations
Function
?/1 wj
Receiver
Turns the receiver on
or off.
or off.
./>
rg ef
rg ef
VCR/
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
Skips tracks.
m/M
rf
rf
CD player/
VCD player/
DVD player
LD player/
MD deck
VCD player/
DVD player
LD player/
MD deck
Searches tracks in the
forward or backward
direction.
forward or backward
direction.
VCR/
DAT deck/
Tape deck
DAT deck/
Tape deck
Fastforwards or
rewinds.
rewinds.
N rd
VCR/
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
Starts playback.
X eg
VCR/
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
Pauses playback or
recording. (Also starts
recording with
components in
recording standby.)
recording. (Also starts
recording with
components in
recording standby.)
x eh
VCR/
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
CD player/
VCD player/
LD player/
DVD player/
MD deck/
DAT deck/
Tape deck
Stops playback.
O ej
VCD player/
LD player/
DVD player
LD player/
DVD player
Returns to the
previous menu or
exits the menu.
previous menu or
exits the menu.
V/v qh
Receiver
Selects a menu item.
B/b qh
Receiver
Adjusts or changes
the setting.
the setting.
V/v/B/b qh
VCR/
Satellite tuner/
DVD player
Satellite tuner/
DVD player
Selects a menu item.
Remote
Button
Button
Operations
Function
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.
To activate the buttons with orange printing, press
ALT first before pressing the buttons.
The SOURCE button on the remote is not available
for receiver operation.
Remote
Button
Button
Operations
Function
Click on the first or last page to see other STR-DB795 service manuals if exist.