Sony HT-DDW685 / STR-K685 Service Manual ▷ View online
9
STR-K685
* The number 5, MASTER VOL +, TV VOL +, and
H buttons have tactile dots. Use the tactile dots as
references when operating the receiver.
references when operating the receiver.
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.
• The VIDEO 3 button on the remote is not available
for receiver operation.
Name
Function
Q
RETURN/
EXIT
EXIT
O
Press to return to the previous
menu or exit the menu while
the menu or on-screen guide
of the VCR, DVD player, or
satellite tuner is displayed on
the TV screen.
Press RETURN/EXIT O
and TV (O) 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.
menu or exit the menu while
the menu or on-screen guide
of the VCR, DVD player, or
satellite tuner is displayed on
the TV screen.
Press RETURN/EXIT O
and TV (O) 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.
R
V/v/B/b
After pressing AMP MENU
(E), DVD MENU (H), or
MENU (M), press V, v, B or
b to select the settings. Then,
press
(E), DVD MENU (H), or
MENU (M), press V, v, B or
b to select the settings. Then,
press
to enter the selection
for DVD MENU or MENU.
Press
Press
also to enter the
selection of the receiver,
VCR, satellite tuner, Blu-ray
disc player or DVD player.
VCR, satellite tuner, Blu-ray
disc player or DVD player.
S
DISPLAY
Press to select the information
displayed on the TV screen of
the VCR, satellite tuner, CD
player, Blu-ray disc player or
DVD player.
Press DISPLAY and TV (O)
at the same time to select TV
information displayed on the
TV screen.
displayed on the TV screen of
the VCR, satellite tuner, CD
player, Blu-ray disc player or
DVD player.
Press DISPLAY and TV (O)
at the same time to select TV
information displayed on the
TV screen.
T
-/--
Press -/-- and TV (O) at the
same time to select the
channel entry mode, either
one or two digits of the TV.
same time to select the
channel entry mode, either
one or two digits of the TV.
>10/
x
Press to select track numbers
over 10 of the VCR, satellite
tuner or CD player or to select
channel numbers of the
Digital CATV terminal.
over 10 of the VCR, satellite
tuner or CD player or to select
channel numbers of the
Digital CATV terminal.
CLEAR
Press to clear a mistake when
you press the incorrect
numeric buttons.
you press the incorrect
numeric buttons.
Name
Function
U
Numeric
buttons
(number 5
buttons
(number 5
*
)
Press to preset/tune to preset
stations or to select track
numbers of the CD player,
Blu-ray disc player or DVD
player or to select channel
numbers of the VCR or
satellite tuner. Press 0/10 to
select track number 10. Press
the numeric buttons and TV
(O) at the same time to select
the TV channels.
stations or to select track
numbers of the CD player,
Blu-ray disc player or DVD
player or to select channel
numbers of the VCR or
satellite tuner. Press 0/10 to
select track number 10. Press
the numeric buttons and TV
(O) at the same time to select
the TV channels.
V
AUTO CAL
Press to activate the Auto
Calibration function.
Calibration function.
W
TV INPUT
Press TV INPUT and TV (O)
at the same time to select the
input signal (TV input or
video input).
at the same time to select the
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.
10
STR-K685
SECTION 2
TEST MODE
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:
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While depressing the 2CH button, press the power ?/1
button to turn on the main power.
2. The message “S.F. CLR.” appears and initialization is
performed. (3 second)
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
Procedure:
Procedure:
1. While depressing the DIMMER and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
main power.
2. The model name, destination and the software version are
displayed. (8 second)
KEY CHECK MODE
Button check
Procedure:
Procedure:
1. While depressing the MUSIC and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
“REST 08” appears.
main power.
“REST 08” appears.
2. Every pressing of any button other than ?/1 counts down
the buttons. The buttons which are already counted once are
not counted again.
not counted again.
3. When all buttons are pressed “REST 00” appears.
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:
segments turn on at the same time, then each segment turns on one
after another.
Procedure:
1. While depressing the SLEEP and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
main power.
2. All segments turn on.
3. Turn the INPUT SELECTOR dial.
4. Turn the INPUT SELECTOR dial once again.
5. Turn the INPUT SELECTOR dial once again. All segments
turn off.
6. Every turning of the INPUT SELECTOR dial turns on each
segment one after another in the same order.
SWAP ALL MODE
The signal will be swapped to all channels so that all speakers will
have sound output.
Procedure:
have sound output.
Procedure:
1. While depressing the DIMMER and the DISPLAY buttons
simultaneously, press the power ?/1 button to turn on the
main power.
main power.
2. “SWP. ALL” appears. (No change while displayed.)
SHIPMENT MODE
All preset contents are reset to the default setting.
Procedure:
Procedure:
1. While depressing the SLEEP and the DISPLAY buttons
simultaneously, press the power ?/1 button to turn on the
main power.
main power.
2. “CLEARED” appears and switch off the set.
PROTECTOR
If an error occurs, the “Protector Display” will flash for a while and
the power is turned OFF.
Procedure:
the power is turned OFF.
Procedure:
1. While depressing the MOVIE and the DISPLAY buttons
simultaneously, press the power ?/1 button to turn on the
main power.
main power.
2. “PROT. EVER” appears (3 seconds) and the display returns
to the “Protector Display” and the power remains ON.
AM CHANNEL STEP 9 kHz/10 kHz
SELECTION MODE
SELECTION MODE
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
channel step.
Procedure:
1. Set the FUNCTION to AM. Turn off the main power.
2. While depressing the MOVIE button, press the power
2. While depressing the MOVIE button, press the power
?/1 button to turn on the main power.
3. Either the message “9 k STEP” or “10 kSTEP” appears. Select
the desired step.
VACS CONTROL
The VACS feature of the amplifier is turned off purposely.
Procedure:
Procedure:
1. While depressing the MOVIE and the AUTO CAL buttons
simultaneously, press the power ?/1 button to turn on the
main power.
main power.
2. “VACS OFF” appears. (8 second)
MEMORY
L
C
R
SL
S
SR
SB SBR
SBL
SW
LFE
SP A
SP B
SP B
CAT
NEO:6
SAT
D.RANGE
RDS ST
MONO
DTS-ES
96 / 24
HDMI
COAX
D EX
;
OPT
;
PL II x
;
PL
dB
k Hz
mft.
MHz
LFE
SP B
NEO:6
D.RANGE
MONO
COAX
k
m
MHz
RDS
x
MEMORY
C
SL
SR
SB SBR
SBL
SW
CAT
DTS
D
;
;
PL
dB
Hz
ft.
ST
11
STR-K685
DCAC FACTORY TEST MODE
DCAC Factory Test mode have two stages:
1. DCAC DSP Data Line Checking
2. DCAC board Checking
2. DCAC board Checking
Factory Test System Setup
1. When power off :
Press the three buttons MUSIC + DISPLAY + ?/1 .
“DCAC[]FTM” appears.
Afterward, press the DIMMER to start DCAC factory test
mode.
“DCAC[]FTM” appears.
Afterward, press the DIMMER to start DCAC factory test
mode.
1. DCAC DSP Data Line Checking
After press the DIMMER , DCAC Factory test mode will start,
below display will show:
below display will show:
“DCAC[][][]x” x = 1, 2, 3
If there is error happen, below display will show:
If there is error happen, below display will show:
“ERR[]SD0x”
x = 1
→ D1501 or R1530
x = 2
→ D1502 problem
x = 3
→ D1503 problem
2. DCAC board Checking
Connect front left speaker of the receiver and AUTO CAL
microphone. Turn MASTER VOLUME jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
microphone. Turn MASTER VOLUME jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
“AD[]-[]xxx”
xxx = 0 to 255 (depends on loudness of test tone)
DSP Data Line
Check
Start
Pass
Pass
Auto Cal Mic
Check
END
SPK Front Left
DCAC MIC
Receiver
12
STR-K685
SECTION 3
ELECTRICAL ADJUSTMENT
[FM Auto Stop Check]
Procedure:
1. Turn the power on.
2. Input the following signal from Signal Generator to FM
2. Input the following signal from Signal Generator to FM
antenna input directly.
* Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
: 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
ANT input : 35 dBu (EMF)
Note:
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and scan the input FM signal with
automatic scanning.
4. Confirm that input Frequency of A, B and C are detected and
automatic scanning stops.
The stop of automatic scanning means “The station signal is received
in good condition.”
in good condition.”
TUNER SECTION
generator
OUT (75
Ω
)
SET
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