DOWNLOAD Sony HT-CT770 Service Manual ↓ Size: 5.34 MB | Pages: 74 in PDF or view online for FREE

Model
HT-CT770
Pages
74
Size
5.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ct770.pdf
Date

Sony HT-CT770 Service Manual ▷ View online

HT-CT770
21
6.  In the state of step 4, press the [INPUT] button and model 
name “CT770” is displayed on the fl uorescent indicator tube.
 
Each time the [VOL +] button is pressed, the display changes 
from destination → MC (
-com) version → SY (system) ver-
sion  → UI version → TA (AMP) version → DS (DSP) ver-
sion → BT (Bluetooth) version → NF (NFC) version → HD 
(HDMI) version, → CE (CEC) version → PF (platform) ver-
sion → WS (wireless sound) version in this order, and returns 
to the model name display.
NF version
CE version
Model name
Destination
MC version
SY version
PF version
UI version
TA version
DS version
HD version
BT version
WS version
 
(Displayed values in the above fi gure are example)
Destination
Display
US and Canadian models
NA
AEP and UK models
CE2
Australian, Chinese, Saudi Arabia, 
Mexican, Singapore and Taiwan models
ASIA-2
7.  When [INPUT] button is pressed while the each version is dis-
played on the fl uorescent indicator tube, year, month and day 
of the software creation is displayed on the fl uorescent indica-
tor tube.
 
(Displayed values in the above fi gure are example)
 
When [INPUT] button is pressed again, the display returns to 
the each version display.
Releasing method:
Press the [
?/1
] button to release the test mode menu.
(When the “K 0” to “K 4” is displayed on the fl uorescent indicator 
tube, press the [
?/1
] button on the remote commander to release 
the test mode menu)
2-2.  Model Name Display Mode
It can display the model name.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the model name 
“CT770”.
2-3.  Destination Display Mode
It can display the destination.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the destination.
 
(Displayed values in the above fi gure are example)
Destination
Display
US and Canadian models
NA
AEP and UK models
CE2
Australian, Chinese, Saudi Arabia, 
Mexican, Singapore and Taiwan models
ASIA-2
2-4.  MC Version Display Mode
It can display the MC (
-com) version.
Procedure:
1.  Enter the test menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “MC.X.XXX” 
(X.XXX: MC (
-com) version).
 
(Displayed values in the above fi gure are example)
Ver. 1.2
HT-CT770
22
2-5.  Serial Flash Version Display Mode
It can display the SF (serial fl ash) version.
Procedure:
1.  Enter the test menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “SF.X.XXX” 
(X.XXX: SF (serial fl ash) version).
 
(Displayed values in the above fi gure are example)
2-6.  DSP Sound Number Display Mode
It can display the SN (DSP sound number) number.
Procedure:
1.  Enter the test menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “SN XXX” 
(XXX: DSP sound number (000 to 998)).
 
(Displayed values in the above fi gure are example)
Note: “SN ---” is displayed when the information of serial fl ash is not able 
to be acquired.
2-7.  BT Module F/W Version Display Mode
It can display the BT (Bluetooth) module fi rmware varsion.
Procedure:
1.  Enter the test menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “BTM.X.XX” 
(X.XX: BT (Bluetooth) module fi rmware version).
 
(Displayed values in the above fi gure are example)
2-8.  AMP Test Mode
(It is displayed “AMP” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-9.  Tone Test Mode
It can confi rm the test tone output from each speaker.
Preparation:
Connect the Bar Speaker (SA-CT770) and the Subwoofer (SA-
WCT770) by wireless.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “T TONE”, 
press the [INPUT] button.
3.  The message “TONE.ON” is displayed on the fl uorescent indi-
cator tube momentarily and enter the tone test mode.
4.  The output speaker is displayed on the fl uorescent  indicator 
tube. At the same time, test tone is output from speaker.
 
(The output speaker repeatedly changes automatically in fol-
lowing order)
Output speaker
Display
Front L-ch
FL
Front R-ch
FR
Subwoofer
SW
Releasing method:
Press the [
?/1
] button to release the test mode menu.
2-10.  Speaker Test Mode
(It is displayed “SPK.TST” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-11.  VACS Display Mode
(It is displayed “V. DISP” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-12.  VACS ON/OFF Mode
(It is displayed “V.ONOFF” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-13.  DSP Halt Mode
(It is displayed “DSP.HLT” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-14.  DSP Serial Flash Update Mode
(It is displayed “SF UPD” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-15.  User Update Mode
(It is displayed “UPDATE” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
HT-CT770
23
2-16.  HDCP Key Read Mode
(It is displayed “HDCP” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-17.  NFC Test Mode
(It is displayed “NFC.TST” on the fl uorescent indicator tube)
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-18.  Auto Standby Test Mode
It can change the auto standby time for 3 minutes or 20 minute.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “T. STBY”, 
press the [INPUT] button on the main unit.
3.  The message “20 MIN” or “3 MIN”is displayed on the fl uo-
rescent indicator tube, press the [VOL +]/[VOL –] buttons to 
change the auto standby time.
Releasing method:
Press the [
?/1
] button to release the test mode menu.
2-19.  Wireless Sound Test Mode
It can display the 
-com version of Subwoofer (SA-WCT770).
Note : More than one item may 
be displayed on the fl uorescent indica-
tor tube
, but it is not used for the servicing other than “VER.CHE”.
Preparation:
• 
Prepare the remote commander attached to this unit.
 Remote 
commander:
 
RM-ANP114 (US and Canadian models)
 
RM-ANP115 (Except US and Canadian models)
• 
Connect the Bar Speaker (SA-CT770) and the Subwoofer (SA-
WCT770) by wireless.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “WS TST”, 
press the [INPUT] button.
3.  The message “FACTRY” is displayed on the fl uorescent indi-
cator tube and enter the wireless sound test mode.
4. Press 
the 
[
V
]/[
v
] buttons on the remote commander, select the  
“VER.CHE”, and press the [ ] button on the remote com-
mander.
5. The 
-com version of Subwoofer (SA-WCT770) is displayed on 
the fl uorescent indicator tube.
 
(Displayed values in the above fi gure are example)
6. When [
V
]/[
v
] buttons on the remote commander is pressed 
while the 
-com version of Subwoofer (SA-WCT770) is dis-
played on the fl uorescent indicator tube, year, month and day 
of the creation is displayed on the fl uorescent indicator tube.
 
(Displayed values in the above fi gure are example)
 When 
[
V
]/[
v
] buttons on the remote commander is pressed  
again, the display returns to the 
-com version of Subwoofer 
(SA-WCT770) display.
Releasing method:
Press the [
?/1
] button to release the test mode menu.
Ver. 1.1
HT-CT770
24
2-20.  Wireless Sound Cold Reset
It can initialize various backup information of Subwoofer (SA-
WCT770).
Preparation:
Connect the Bar Speaker (SA-CT770) and the Subwoofer (SA-
WCT770) by wireless.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “WS RST”, 
press the [INPUT] button.
3.  The power indicator LED on the Subwoofer (SA-WCT770) 
turns red and fl ashes, then turns on amber.
Power indicator LED
Red (flash) 
Amber (light up)
4.  Pull out the power cord on the  Subwoofer (SA-WCT770) from 
an outlet and insert the power cord again.
2-21. Cold 
Reset
It can initialize various backup information.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu” on page 20) 
2.  Press the [VOL +]/[VOL –] buttons to select the “RESET”, 
press the [INPUT] button.
3.  The message “RESET” is displayed on the fl uorescent indica-
tor tube, then turn the power off.
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Display

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