Sony STR-K790 Support Question
Sony STR-K790 Support Question
Find answers below for this question about Sony STR-K790 - Lifier.Need a Sony STR-K790 manual? We have 1 online manual for this item!
Question posted by sarajian on June 17th, 2021
What Is The Remote Code For Controlling The Sony Str K790 From Your Tv Remote ?
What is the remote code used for controlling the Sony str k790 from a TV remote ?
Current Answers
Answer #1: Posted by SonuKumar on June 17th, 2021 8:39 PM
SonuKumar
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https://www.amazon.com/HCDZ-Replacement-STR-K1600-STR-K790-Receiver/dp/B00LBUUIVE
https://www.amazon.com/Replaced-HTDDW795-RMAAU014-HTSF2000-147969111/dp/B01LZSV2X7
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Related Sony STR-K790 Manual Pages
Service Manual - Page 1
...
Home Audio Division Published by Sony Techno Create Corporation "Dolby", "Pro Logic" and the double-D symbol are trademarks of Dolby Laboratories. ** "DTS" and "DTS Digital Surround" are registered trademarks of area code US only) With 6 ohm loads, both channels driven, from 250 milliwatts to 10 kHz (or 9 kHz), repeat the procedure. SPECIFICATIONS
AUDIO POWER...
Service Manual - Page 2
...STR-K790
Power consumption
Area code
Power consumption
US
210 W
Canadian
290 VA
AEP, UK
220 W
Power consumption (during standby mode)
0.3 W
Dimensions (w/h/d) (Approx.) 429 × 145 × 308 mm (16 7/8 × 5 6/8 × 12 1/8 inches) including projecting parts and controls...;CURITÉ! Using an AC voltmeter to change without notice.
SAFETY-RELATED COMPONENT WARNING!! SAFETY ...
Service Manual - Page 3
RL
RL CENTER FRONT SPEAKERS
Area code
Any differences in operation, according to the area code, are clearly indicated in the text, for example, "Models of the rear panel (... 29 4-17. POWER Board, DCAC Board,
HEADPHONE Board 33 4-21. STANDBY Board 26 4-14. Schematic Diagram - STR-K790
About area codes
The area code of the receiver you purchased is shown on the lower right portion of area...
Service Manual - Page 4
... (MOVIE, MUSIC).
Connects to adjust the volume level of all speakers at the same time.
STR-K790
Receiver
Front panel
1 234
?/1
VIDEO 1 IN/ PORTABLE AUDIO IN/
AUTO CAL MIC
DIMMER
SLEEP
2CH
A.F.D. M PHONES jack N VIDEO 1 IN/
PORTABLE AUDIO IN/ AUTO CAL MIC jack
Function
Turn to the supplied optimizer microphone for the Auto Calibration...
Service Manual - Page 5
...audio signal is decoding Dolby Digital signals. Note Dolby Pro Logic and Dolby Pro Logic II decoding do not function for models of area code...components obtained by Pro Logic processing) Example: Recording format (Front/ Surround): 3/2.1 Sound Field: A.F.D. Lights up when dynamic range compression is activated. PLII" lights up when using... being reproduced. STR-K790
About the indicators...
Service Manual - Page 6
... section
OPTICAL Connects to the FM wire antenna supplied with this receiver.
STR-K790
Rear panel US, Canadian models
12
3
4
DIGITAL OPTICAL
VIDEO 2/ BD IN COAXIAL DVD IN
ANTENNA AM
L
R AUDIO IN AUDIO IN AUDIO IN SA-CD/CD TV SAT
RL
SUB
RL
WOOFER SURROUND
SPEAKERS
RL
RL CENTER FRONT SPEAKERS
A DIGITAL INPUT section
OPTICAL...
Service Manual - Page 7
... settings. If you press the input buttons (C).
STR-K790
Inserting batteries into the remote
Insert two R6 (size-AA) batteries in tuner
7
Button
Assigned Sony component
VIDEO 1 VCR (VTR mode 3)
VIDEO 2 VCR (VTR mode 2)
VIDEO 3 Not assigned
DVD
DVD player
SAT
Satellite tuner
TV
Television
SA-CD/CD Super Audio CD/CD player
TUNER Built-in the...
Service Manual - Page 8
...STR-K790
Name
Function
D 2CH
Press to enter direct tuning mode. MOVIE, MUSIC
Press to activate muting
function. I ENTER
Press to start playback of the TV, VCR or satellite tuner. K MUTING
Press to select sound fields (MOVIE, MUSIC).
Then, use... to adjust
the TV volume level. Press TOOLS and TV (O) at the same time to activate the buttons with components in the forward/...
Service Manual - Page 9
...component, the above operation may not be possible or may not work depending on the TV screen. Press also to select the TV channels. Press DISPLAY and TV (O) at the same time to enter the selection of the TV.
Press 0/10 to select TV... menu or exit the TV's menu while the menu is displayed on the TV screen.
Use the tactile dots as an example only. STR-K790
Name
Q RETURN/ EXIT...
Service Manual - Page 10
... EVER" appears and switch off the set . VACS CONTROL TEST MODE The VACS feature of any button other than ...turn on the main power.
2.
Procedure:
1. Procedure:
1. STR-K790
SECTION 2 TEST MODE
SOUND FIELD CLEAR MODE The preset sound ...displayed. Procedure:
1. "CLEARED" appears and switch off purposely.
Use this test is activated, all buttons are tested. SOFTWARE VERSION...
Service Manual - Page 11
... Setup
Receiver
DCAC MIC
SPK Front Left
1. Turn MASTER VOLUME jog, there will be test tone sound output from front left speaker of test tone)
STR-K790
11 Afterward, press the DIMMER to 255 (depends on loudness of the receiver and AUTO CAL microphone. When power off : Press the three buttons MUSIC...
Service Manual - Page 12
... whose output impedance is received in good condition."
12 The stop of A, B and C are detected and automatic scanning stops. Please use video cable for checking. STR-K790
Ver. 1.1
TUNER SECTION [FM Auto Stop Check]
SET
SECTION 3 ELECTRICAL ADJUSTMENT
generator OUT (75 Ω)
Procedure: 1. Input the following signal from Signal Generator to FM ...
Service Manual - Page 13
...20 ns/DIV
3 IC1301 ws (XIN)
4.2 Vp-p
STR-K790
81.4 ns 1 V/DIV, 40 ns/DIV
4.2 Vp...component.
•
: Pattern from the pattern face are indicated.
• Indication of transistor. Parts on the pattern face side seen from the side which enables seeing. C
Q
These are omitted.
• Circuit Boards Location STANDBY board
POWER board DCAC board
HEADPHONE board DISPLAY board
STR-K790...
Service Manual - Page 15
...
DRIVE
RY701
SPEAKERS IMPEDANCE USE 6-16Ω
TM602(2/2)
CENTER
TM604(2/2)
SUB WOOFER
IC850
2
PROTECT DET
7
POWER AMP -B
+B
-B
FL101 -20V
TUNER +10V RELAY +B AUDIO +7V
AUDIO +5V
AUDIO -7V
Q851,852 -B...CONTROL
68
38
Q881-883 PROTECT SWITCH
D841 VACS CONTROL
61
45
PROTECTOR VAX CTRL
DC-CONTROL ADCC
X1101 24MHz
IC102 REMOTE CONTROL 1 RECEIVER
82 X0 83 X1
54 SIRCS
SYSTEM CONTROL...
Service Manual - Page 25
...STR-K790
Ver. 1.1
1 A
B
C
DCAC
E BOARD
CN2001 (4pin-6pin) (Page 33)
D DIGITAL
F BOARD
CNS501 (Page 17)
E
DIGITAL
G F BOARD CNS502 (Page 17)
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SA-CD/CD AUDIO IN
J400 TV AUDIO IN
SAT AUDIO.... 4-12. MAIN BOARD - • See page 13 for Circuit Boards Location.
:Uses unleaded solder. Q504 Q505 Q506 Q507 Q509 Q551 Q552 Q553 Q554 Q555 Q556 Q557 Q601 ...
Service Manual - Page 27
4-14. MAIN BOARD (1/4) - • See page 36 for IC Block Diagram.
SCHEMATIC DIAGRAM - STR-K790
DCAC
B BOARD
CN2001 (7pin to 9pin)
(Page 34)
J400
SAT AUDIO IN
CNP733 3P
J400 6P
TV AUDIO IN SA-CD/CD AUDIO IN
CC01 100P
R401 1k
CC51 100P
CC02 100P CC52 100P
CC03 100P CC53 100P
CC04 100P CC54 100P...
Service Manual - Page 32
...CL111
CL112
CL113
CL114
CL115
CL116
CL117
CL11 8
CL103
JW120 5.5
IC102
REMOTE CONTROL RECEVER
RPM7240-H4 IC102
1
3.3
3.3
VCC OUT GND
2 R119 10 0
3
C150 0.1
JW101
CNS102 17P 1
DC-CONTROL
2 GND
3 GND
4 +3.3V(STDBY )
5 +5V
6 ...
CNP102 2P 1 DCAC_IN (CN2001)
2 DC-CONTROL (CN2001)
L
DCAC BOARD CN2001 (Page 34)
No mark : FM
STR-K790
32
32 SCHEMATIC DIAGRAM - STR-K790
4-19.
Service Manual - Page 36
...34 33 32 31 30
29
28 27 26 25
SYSTEM CLOCK MANAGER
FUNCTION CONTROL INTERFACE
SYSTEM CLOCK
SERIAL INPUT INTERFACE
4X/8X OVER SAMPLING
DIGITAL FILTER WITH FUNCTION CONTROLLER
ZERO DETECT
DAC
DAC
DAC
ENHANCED
MULTI- IC400 M61542FP
56 55 54 53
.../GPO3 ZERO4/GPO4 ZERO5/GPO5 ZERO6/GPO6
NC NC VOUT6 VOUT5 VOUT4 VOUT3
- MAIN Board - DAC
LEVEL
DELTA- STR-K790
-
DIGITAL Board -
Service Manual - Page 39
...DESTINATION) - Analog power supply (+3.3V) I Vacs control input
STR-K790 39 Not used (Open) - Not used (Open) - • IC Pin Function Description DIGITAL BOARD IC1101 MB90F045PF-G-9033-SPE1 (SYSTEM CONTROLLER)
Pin No. 1 2 3 4 5 6 ...AVSS ADCC A/D1 A/D2 VERSION VSS TUNER SD MODEL VAX CTRL
I/O
Description
I Audio data signal input from DIR
I GP9 signal input from DSP
O BST signal output...
Service Manual - Page 40
... Front B speaker control signal output
68
DC-CONTROL
O Center speaker relay control signal output
69
C/REAR/SB_RY
O Center, rear, surround back speaker control signal output
70
SW_RY
O Sub woofer control signal output
71
NC
O Not used (Open)
72
BRIDGABLE_RY
O Bridgeable relay control output (not used )
79
XIA
- Connection for a crystal resonator
84
VCC3
- STR-K790
Pin No...
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