DOWNLOAD Sony HT-DDW890 / STR-K890 Service Manual ↓ Size: 4.1 MB | Pages: 60 in PDF or view online for FREE

Model
HT-DDW890 STR-K890
Pages
60
Size
4.1 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ddw890-str-k890.pdf
Date

Sony HT-DDW890 / STR-K890 Service Manual ▷ View online

9
STR-K890
Name
Function
U
 
 
V/v/B/b
After pressing RECEIVER 
(D), press MENU (K) for 
receiver operation, then press 
V/v/B /b to select the 
settings. 
After pressing DVD TOP 
MENU (O) or DVD MENU 
(O), press V/v/B/b to select 
the settings, and then press 
 
 
to enter the selection.
Press 
 also to enter the 
selection of the receiver, 
VCR, satellite tuner, DVD 
player, Blu-ray disc recorder, 
PSX, DVD/VHS COMBO, or 
DVD/HDD COMBO.
V
GUIDE
Press to display the EPG 
(Electronic Program Guide) 
of the TV, DVD player, 
satellite tuner, Blu-ray disc 
recorder, PSX, or DVD/HDD 
COMBO.
W
CLEAR
Press to clear a mistake when 
you press the incorrect 
numeric button of the DVD 
player, Blu-ray disc recorder, 
PSX, satellite tuner, DVD/
VHS COMBO, or DVD/HDD 
COMBO.
-/--
Press to select the channel 
entry mode, either one or two 
digit of the VCR or satellite 
tuner.
To select the channel entry 
mode of the TV, press TV 
(wj) and then press -/--.
>10
Press to select track numbers 
over 10 of the CD player, 
VCD player, LD player, MD 
deck, tape deck, TV, VCR, or 
satellite tuner.
X
SLEEP
Press to activate the Sleep 
Timer function and the 
duration which the receiver 
turns off automatically.
Y
FM MODE
Press to select FM monaural 
or stereo reception.
Z
2CH
Press to select a sound field. 
A.F.D.
MOVIE
MUSIC
,
a)
The number 5, TV CH +, PRESET + and H 
buttons have tactile dots. Use the tactile dots as 
references when operating the receiver.
b)
This button is also available for DIGITAL MEDIA 
PORT adapter operation. For details on the 
function of the button, see the operating 
instructions supplied with the DIGITAL MEDIA 
PORT adapter.
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.
  The AUX button on the remote is not available for 
receiver operation.
Name
Function
wj
TV
Press to light up the button. It 
changes the remote key 
function to activate the 
buttons with orange printing. 
It also activate the DISPLAY 
(I), OPTIONS TOOLS 
(J), MENU (K), 
RETURN/EXIT O (T), 
 
 (U), and V/v/B/b (U) 
buttons to perform menu 
operations for Sony TVs only.
wk
RM SET UP
Press to set up the remote.
10
STR-K890
DSP Data Line
Check
Start
Pass
Pass
Auto Cal Mic
Check
END
SPK Front Left
DCAC MIC
Receiver
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:
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:
1. While depressing the  SPEAKERS (OFF/A/B/A+B)  and the
DISPLAY  buttons simultaneously, press the power  ?/1
button to turn on the main power.
2. The model name, destination and the software version are
displayed. (8 second)
KEY CHECK MODE
Button check
Procedure:
1. While depressing the  SPEAKERS (OFF/A/B/A+B)  and the
2CH  buttons simultaneously, press the power   ?/1  button to
turn on the main power.
“REST 13” 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.
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:
1. While depressing the  TUNING MODE  and the  DISPLAY
buttons simultaneously, press the power  ?/1  button to turn
on the 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:
1. While depressing the   SPEAKERS (OFF/A/B/A+B)  and the
A.F.D.  buttons simultaneously, press the power  ?/1  button
to turn on the main power.
2. “SWP. ALL” appears. (No change while displayed.)
SHIPMENT MODE
All preset contents are reset to the default setting.
Procedure:
1. While depressing the  SPEAKERS (OFF/A/B/A+B)  and the
MUSIC  buttons simultaneously, press the power  ?/1  but-
ton to turn on the 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:
1. While depressing the  TUNING MODE  and the MUSIC
buttons simultaneously, press the power  ?/1  button to turn
on the main power.
2. “PROT. EVER” appears (3 seconds) and the display returns
to the “Protector Display” and the power remains ON.
DCAC FACTORY TEST MODE
DCAC Factory Test mode have two stages:
1. DCAC DSP Data Line Checking
2. DCAC board Checking
Factory Test System Setup
1. When power off :
Press the three buttons   MEMORY/ENTER  +  MOVIE  +
?/1  .
“DCAC[]FTM” appears.
Afterward, press the  TUNING MODE   to start DCAC factory
test mode.
MEMORY
L
C
R
SL
S
SR
SB SBR
SBL
SW
LFE
SP A
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
L
R
S
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-K890
1. DCAC DSP Data Line Checking
After press the  TUNING MODE  , DCAC Factory test mode will
start, below display will show:
“DCAC[][][]x”      x = 1, 2, 3, 4
If there is error happen, below display will show:
“ERR[]SD0x”
x = 1 
→ 
D1501 or R1530 or C1512 problem
x = 2 
 D1502 problem
x = 3 
 D1503 problem
x = 4 
 D1504 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.
“AD[]-[]xxx”
xxx = 0 to 255 (depends on loudness of test tone)
VACS CONTROL
The VACS feature of the amplifier is turned off purposely.
Procedure:
1. While depressing the  MEMORY/ENTER  and the  2CH
buttons simultaneously, press the power  ?/1  button to turn
on the main power.
2. “VACS OFF” appears. (8 second)
12
STR-K890
SECTION  3
ELECTRICAL ADJUSTMENT
[FM Auto Stop Check]
Procedure:
1. Turn the power on.
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)
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.
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.”
TUNER SECTION
generator
OUT (75 
)
SET
Ver. 1.1
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