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 heatwaveulchrich on January 11th, 2024
Does Anybody In The World Have The Universal Remote Control Code That Could
possibly work for my Sony str-k790 receiver? If you do for the sake of God and what's left of my nerves please help me out. God bless you.
Current Answers
Answer #1: Posted by SonuKumar on January 11th, 2024 9:15 AM
SonuKumar
Member since:
May 9th, 2021 Points: 16,604,700
Member since:
May 9th, 2021 Points: 16,604,700
Unfortunately, the Sony STR-K790 receiver is not programmable with most universal remote controls. This is because it uses a proprietary communication protocol instead of the standard IR codes used by most universal remotes.
There are a few workarounds you can try:
Use the original Sony remote control: If you still have the original remote control for the STR-K790, you can use that to control the receiver.
Use a Sony universal remote control: Some Sony universal remote controls are pre-programmed to work with the STR-K790. You can find a list of compatible remote controls on the Sony website.
Use a smartphone app: There are a few smartphone apps that can be used to control Sony receivers. These apps typically use Bluetooth or Wi-Fi to communicate with the receiver, so they will work even if the receiver is not programmable with IR codes.
If you're still having trouble finding a way to control the STR-K790 with a universal remote, you can contact Sony customer support for help.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
Your search handyman for all e-support needs!!
Related Sony STR-K790 Manual Pages
Service Manual - Page 1
... code AEP, UK With 9-kHz tuning scale:
531 - 1,602 kHz
Antenna
Loop antenna
Intermediate frequency 450 kHz
4)You can change the tuning scale. SERVICE MANUAL
Ver. 1.1 2007.03
STR-K790
US Model Canadian Model
AEP Model UK Model
• STR-K790 is the tuner and the amplifier section in any AM station, turn off the receiver...
Service Manual - Page 2
... COMPOSANT AYANT RAPPORT À LA SÉCURITÉ! 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
Mass (Approx.) 7.4 kg (16 lb 9 oz)
Design...
Service Manual - Page 3
...Printed Wiring Board - Printed Wiring Board - Schematic Diagram - Schematic Diagram - DISPLAY Board 32 4-20. Chassis Section 43
6. STR-K790
About area codes
The area code of the receiver you purchased is shown on the lower right portion of area code AA only". Rear Panel - ELECTRICAL ADJUSTMENT 12
4. Schematic Diagram - POWER Board, DCAC Board,
HEADPHONE Board 34...
Service Manual - Page 4
...playback. Press to a headphone.
-
Receives signals from remote commander. Connects to select 2CH STEREO mode. Press to activate the Auto Calibration function. The current status of the selected component or a list of the display. ...qd qs qa
Name
A ?/1 (on or off automatically. STR-K790
Receiver
Front panel
1 234
?/1
VIDEO 1 IN/ PORTABLE AUDIO IN/
AUTO CAL MIC
DIMMER
SLEEP
2CH
A.F.D.
Service Manual - Page 5
...Left Front Right Center (monaural) Surround Left Surround Right Surround (monaural or the surround components obtained by Pro Logic processing) Example: Recording format (Front/ Surround): 3/2.1 Sound Field: A.F.D. PL/
;
Lights up when the receiver... models of area code AEP, UK only. Lights up when the receiver is decoding DTS ...STR-K790
About the indicators on presetting radio stations. Lights up ...
Service Manual - Page 6
...
player, etc. 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 Connects to the FM wire antenna supplied with this receiver.
Service Manual - Page 7
... time to control Sony components as follows. STR-K790
Inserting batteries into the remote
Insert two R6 (size-AA) batteries in an extremely hot or humid place.
• Do not use a new battery with new ones. Notes
• Do not leave the remote in the RM-AAU013 remote commander. When the remote no longer operates the receiver, replace all components, press...
Service Manual - Page 8
... the menu of the DVD player on the TV screen. audio settings during recording), or multiple items on the TV screen....components in
recording standby.)
x TV CH +/- disc protection), recorder (e.g. Press TV VOL +/-
Press TV CH +/-
Press to display the menu of the receiver... ADVANCE
<
Press to select 2CH STEREO mode. STR-K790
Name
Function
D 2CH
Press to replay the previous ...
Service Manual - Page 9
... component, the above explanation is intended to serve as references when operating the receiver. Press 0/10 to clear a mistake when you press the incorrect numeric buttons.
Press to select track number 10. STR-K790
... displayed on the model.
• The above operation may not be possible or may not work depending on the TV screen. Notes
• Some functions explained in...
Service Manual - Page 10
... step or 10 kHz step can be swapped to turn on the main power.
2. VACS CONTROL TEST MODE The VACS feature of the INPUT SELECTOR dial turns on each segment turns on the...
SHIPMENT MODE All preset contents are displayed. Either the message "9 k STEP" or "10 kSTEP" appears. STR-K790
SECTION 2 TEST MODE
SOUND FIELD CLEAR MODE The preset sound field is cleared when this mode is activated, ...
Service Manual - Page 11
... MASTER VOLUME jog, there will be test tone sound output from front left speaker of test tone)
STR-K790
11 DCAC board Checking
Start
DSP Data Line Pass Check
Auto Cal Mic Pass Check
END
Factory Test System Setup
Receiver
DCAC MIC
SPK Front Left
1. DCAC DSP Data Line Checking 2. DCAC board Checking Connect front...
Service Manual - Page 12
...The station signal is 75 ohm.
3. Turn the power on. 2. Please use SG whose output impedance is received in good condition."
12 The stop of A, B and C are detected and automatic scanning stops. Input the... scan the input FM signal with automatic scanning.
4. STR-K790
Ver. 1.1
TUNER SECTION [FM Auto Stop Check]
SET
SECTION 3 ELECTRICAL ADJUSTMENT
generator OUT (75 Ω)
Procedure: 1.
Service Manual - Page 13
...Ω and 1/4 W or less unless otherwise
specified.
• % : indicates tolerance. • f : internal component. • 2 : nonflammable resistor. • 5 : fusible resistor. • C : panel designation.
Ne les...id (X1)
3.5 Vp-p
41.6 ns 1 V/DIV, 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-p
13
13 SECTION 4 DIAGRAMS
THIS NOTE IS COMMON FOR ...
Service Manual - Page 15
...DET
7
POWER AMP -B
+B
-B
FL101 -20V
TUNER +10V RELAY +B AUDIO +7V
AUDIO +5V
AUDIO -7V
Q851,852 -B
SWITCH
D811
Q801 -20V REG
IC1902
3
+10V ...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...STR-K790
15
15 DISPLAY/POWER SECTION - BLOCK DIAGRAM - 4-2.
Service Manual - Page 16
...PRINTED WIRING BOARD - DIGITAL BOARD (SIDE A) - • See page 13 for Circuit Boards Location.
:Uses unleaded solder.
1
2
3
4
5
6
7
8
A
DIGITAL BOARD (SIDE A)
R1943 C1913
B C D E
STR-K790
R1096
FB1350
R1318 C1315 R1321
R1253
FB1306
IC1301
R1313 R1312
R1311
R1555
C1031
FB1310
C1301
R1557
RB1500
C1302 R1301 C1304 R1304
D1302
JR1005 R1303
R1325
...
Service Manual - Page 17
... 31)
for Circuit Boards Location.
:Uses unleaded solder. Location D1003 D-3 D1004 D-3 D1107 C-6 D1108 C-6 D1110 C-6 D1111 C-7 D1501 C-3 D1502 C-3 D1503 D-3
IC1001 E-3 IC1031 B-7 IC1351 C-2 IC1901 B-7 IC1902 B-5 IC1904 B-6
STR-K790
DIGITAL BOARD (SIDE B)
STANDBY BOARD
C
CNP801
(Page 26)
AM
TUNER
FM 75 COAXIAL
AEP,UK
HDMI BRIDGE
A BOARD CNS199 (Page 23)
HS1903
HS1901
CL026
IC1031...
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 VOL_JOG_2A
... 21)
CNP102 2P 1 DCAC_IN (CN2001)
2 DC-CONTROL (CN2001)
L
DCAC BOARD CN2001 (Page 34)
No mark : FM
STR-K790
32
32 STR-K790
4-19.
Service Manual - Page 36
...35 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- DIGITAL Board -
IC400 M61542FP
56 55...Vcc 7 1Y 6 2B 5 2A
ZERO1/GPO1 ZERO2/GPO2 ZERO3/GPO3 ZERO4/GPO4 ZERO5/GPO5 ZERO6/GPO6
NC NC VOUT6 VOUT5 VOUT4 VOUT3
- STR-K790
-
Service Manual - Page 39
...key push signal input I Input selector Encoder (B) signal input - Analog power supply (+3.3V) I Vacs control input
STR-K790 39 Ground terminal I RDS signal detect input (AEP, UK only) I MODEL select input I Analog ...AVRH 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
STR-K790
Pin No. Not used )
92
BST_SEL
O BST signal output terminal
93
XMODE
O Reset signal output to DIR
94
CKSEL 1
O CKSEL control signal output to the tuner
75
V_SW3
O ...RDS data signal input (AEP, UK only)
54
SIRCS
I Data signal input from the remote control sensor
55
HP_DETECT
I Headphone signal input
56
POWER_KEY
I Power switch key detect signal input
57
ADCC_INT...
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