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 Pandhr on July 17th, 2014
How Many Total Watts Does The Sony Receiver Str-k790
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Related Sony STR-K790 Manual Pages
Service Manual - Page 1
... - All preset stations will be no more than 1% total harmonic distortion from 250 milliwatts to rated output.
"Dolby",...RECEIVER
9-887-542-02
2007C16-1 © 2007.03
Sony Corporation
Home Audio Division Published by Sony Techno Create Corporation To reset the scale to 9 kHz or 10 kHz.
SERVICE MANUAL
Ver. 1.1 2007.03
STR-K790
US Model Canadian Model
AEP Model UK Model
• STR-K790...
Service Manual - Page 2
... as on chip component replacement • Never reuse a disconnected chip component. • Notice that is 0.75 V, so analog meters must not exceed 0.5 mA (500 microamperes.). SAFETY-RELATED COMPONENT WARNING!! STR-K790
Power consumption
Area code...201;S DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
2 A.
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES ...
Service Manual - Page 3
... (4/5 21 4-9. Printed Wiring Boards - HDMI SW Board,
HDMI BRIDGE Board (AEP, UK only 23 4-11. MAIN Board (1/4 27 4-15. Schematic Diagram - 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". RL
RL CENTER FRONT SPEAKERS
Area code...
Service Manual - Page 4
... displayed on the display. The current status of the selected component or a list of all speakers at the same time. Press... G AUTO CAL
Function
Press to a headphone.
- Press to adjust the brightness of the display. STR-K790
Receiver
Front panel
1 234
?/1
VIDEO 1 IN/ PORTABLE AUDIO IN/
AUTO CAL MIC
DIMMER
SLEEP
2CH
A.F.D. Press to activate the Auto Calibration function.
Press to...
Service Manual - Page 5
... surround components obtained by Pro Logic processing) Example: Recording format (Front/ Surround): 3/2.1 Sound Field: A.F.D. Lights up when a memory function, such as Name Input, Preset Memory, etc., is actually being reproduced. ";
Lights up when the disc being played back. Lights up when the Pro Logic II Movie/Music decoder is activated.
STR-K790
About...
Service Manual - Page 6
.... AEP, UK models
12
C AUDIO INPUT section
AUDIO IN Connects to the FM wire antenna supplied with this receiver.
D SPEAKER section
Connects to the speakers and sub woofer.
* You can watch the selected input image when you connect the HDMI OUT jack to a DVD
IN jack
player, etc. STR-K790
Rear panel US, Canadian models...
Service Manual - Page 7
... on or off the Sony audio/video components that the remote is assigned to turn off . If you press ?/1 (B) at
(on or off all the batteries with old ones. • Do not mix alkaline batteries and other components (SYSTEM STANDBY). To turn the receiver on /standby) the same time to operate. STR-K790
Inserting batteries into the...
Service Manual - Page 8
...using the numeric buttons of the receiver.
I ENTER
Press to display the menu of the TV, VCR or satellite tuner. audio settings during recording), or multiple ... b and to adjust
the TV volume level.
Press to activate the buttons with components in the forward/backward direction of the VCR, DVD player, Blu-ray disc player...STR-K790
Name
Function
D 2CH
Press to store a station.
Service Manual - Page 9
.... Therefore, depending on the component, the above operation may not be possible or may not work depending on the model.
• The above explanation is displayed on the TV screen. STR-K790
Name
Q RETURN/ EXIT O...DVD MENU (H), or MENU (M), press V, v, B or b to serve as references when operating the receiver. Press RETURN/EXIT O and TV (O) at the same time to return to the previous menu or ...
Service Manual - Page 10
... on the main power.
2. While depressing the MOVIE button, press the power
?/1 button to AM. Select
the desired step. KEY CHECK MODE Button check Procedure:
1.
STR-K790
SECTION 2 TEST MODE
SOUND FIELD CLEAR MODE The preset sound field is cleared when this test is activated, all segments turn on at the same...
Service Manual - Page 11
... the DIMMER to 255 (depends on loudness of the receiver and AUTO CAL microphone.
"AD[]-[]xxx" xxx = 0 to start , below display will change accordingly. Turn MASTER VOLUME jog, there will be test tone sound output from front left speaker of test tone)
STR-K790
11 "DCAC[]FTM" appears. DCAC FACTORY TEST MODE DCAC...
Service Manual - Page 12
You cannot use SG whose output impedance is received in good condition."
12 The stop of A, B and C are detected and automatic scanning stops. Turn the power on. 2. Confirm that input Frequency of automatic scanning means "The station signal is 75 ohm.
3. STR-K790
Ver. 1.1
TUNER SECTION [FM Auto Stop Check]
SET
SECTION 3 ELECTRICAL ADJUSTMENT...
Service Manual - Page 13
... X : parts extracted from the component side.
• a : Through hole.
• f : internal component.
•
: Pattern from the pattern face are indicated. Note: The components identified by mark 0 or dotted ...
• Circuit Boards Location STANDBY board
POWER board DCAC board
HEADPHONE board DISPLAY board
STR-K790
HDMI SW board (AEP,UK) HDMI BRIDGE board (AEP,UK) DIGITAL board
MAIN ...
Service Manual - Page 15
...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
SWITCH
D811
Q801 -20V REG
IC1902
3
+10V REG
1
IC821
1
+... VAX CTRL
DC-CONTROL ADCC
X1101 24MHz
IC102 REMOTE CONTROL 1 RECEIVER
82 X0 83 X1
54 SIRCS
SYSTEM CONTROL IC1101(2/2)
FL_LAT FL_CLK...STR-K790
15
15 4-2. DISPLAY/POWER SECTION -
BLOCK DIAGRAM -
Service Manual - Page 16
... 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
...Page 31)
for Circuit Boards Location.
:Uses unleaded solder. 4-4. 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...
Service Manual - Page 21
4-8. SCHEMATIC DIAGRAM - DIGITAL BOARD (4/5) -
STR-K790
1
2
3
4
5
6
7
8
9
10
11
MAIN BOARD
STANDBY
(3/4)
BOARD
A
CNP504 D
(Page 29)
CNP801 C
(Page 28)
1 +R2 2 STOP 3 STDBY GND 4 +9V (STDBY) 5 PW_RY 6 +R4 7 R4 GND
H/P_RY H/P CTRL C/REAR/... 95 96 98
a1 a2
a5 a4 a6 a3 a7 a8 b8 a9 b1 b2 b3
b5 b4 b6 b7
14
DIGITAL BOARD (5/5)
(Page 22)
STR-K790
21
21
Service Manual - Page 23
4-10. IC5001 IC5002 IC5003 IC5004 IC5005 IC5006
Location
C-3 C-4 C-4 B-4 B-4 C-2
1
F
STR-K790
B199
1-873-511-
23
23
STR-K790 No. HDMI SW BOARD, HDMI BRIDGE BOARD (AEP, UK only) - • See page 13 for Circuit Boards Location.
:Uses unleaded solder.
1
2
3
4
5
6
7
8
AEP,UK
C5002 C5003 ...
Service Manual - Page 24
... BOARD, HDMI BRIDGE BOARD (AEP, UK only) - • See page 37 for IC Block Diagrams.
AEP,UK VIDEO 2/BD IN
STR-K790
HDMI SW BOARD
R5047 0
R5068 100k
TP5016
R5016 0
R5017 0
CN5001 19P
CN5002 19P R5048 0
R5069 100k
R5018 1k
R5019 0 R5020 ...(HDMI) PRE(HDMI) CTL(HDMI) COMP_S2 COMP_S1 V_SW1 V_SW2 V_SW3 V_SW4
A
DIGITAL BOARD (1/5) CNS509 (Page 18)
24
24 STR-K790
4-11. SCHEMATIC DIAGRAM -
Service Manual - Page 25
... D881 D882
Location
C-7 F-3 G-6 F-13 E-14 F-14 D-15 D-15 D-15 D-15 D-14 D-6 F-3 E-10 F-12 E-12
Ref.
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...
3
4
5
6
7
8
9
10
11
12
13
14
15
SA-CD/CD AUDIO IN
J400 TV AUDIO IN
SAT AUDIO IN
MAIN BOARD
AEP,UK
JW853
CC54
C452 C402
R454
TP1
DCAC
BOARD
B CN2001 (7pin...
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