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 englewoodp on May 6th, 2013
I Don't Have The Remote To Change Fm Stations Is There Anyway To Do It?
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Current Answers
Related Sony STR-K790 Manual Pages
Service Manual - Page 1
... woofer. While holding down DIMMER, press ?/1.
Depending on next page - 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. "Dolby", "Pro Logic" and the double-D symbol are trademarks of Dolby Laboratories...
Service Manual - Page 2
...component. • Notice that the minus side of unleaded solder are printed with the leadfree mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may be applied to change...any one of three methods.
1. Nearly all other exposed metal parts for AC leakage. STR-K790
Power consumption
Area code
Power consumption
US
210 W
Canadian
290 VA
AEP, UK
220 ...
Service Manual - Page 4
...SELECTOR
J Remote sensor
K MOVIE, MUSIC
L A.F.D.
Turn to select the input source to a headphone.
-
Receives signals from remote commander. ...component or a list of the display.
Press to select sound fields (MOVIE, MUSIC). Press to activate the Sleep Timer function and the duration which the receiver turns off . To connect a portable audio such as MP3 player, etc..
4 STR-K790...
Service Manual - Page 5
...the LFE channel signal is activated. STR-K790
About the indicators on presetting radio stations. Lights up when using the receiver...(monaural) Surround Left Surround Right Surround (monaural or the surround components obtained by Pro Logic processing) Example: Recording format (Front/ ...
LCR
SL
SR
5 PL/
;
Lights up when audio signal is input through the COAXIAL jack. D ; ...
Service Manual - Page 6
...a DVD
IN jack
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...receiver.
6
AM
Connects to a TV or projector. B ANTENNA section
FM ANTENNA jack
AM ANTENNA terminals
Connects to the FM wire antenna supplied with this receiver. The
COAXIAL jack
provides a better...
Service Manual - Page 7
MOVIE MUSIC
AMP MENU
123
FM MODE
456
7
>10/
- TV CH +
PRESET - B ?/1 (on/standby)
Press to turn ...changes automatically each time you want to use the supplied remote RM-AAU013 to operate the receiver and to control the Sony audio/video components that the remote is assigned to select the component you press the input buttons (C). STR-K790
Inserting batteries into the remote...
Service Manual - Page 8
...
Press to the TV. audio settings during recording), or ... TV CH +/- Press to select FM monaural or stereo reception.
F FM MODE
Press to select A.F.D.
and TV...STR-K790
Name
Function
D 2CH
Press to replay the previous scene or fast forward the current scene of the VCR, Bluray disc player or DVD player.
8 A.F.D. PRESET +/- Press MENU and TV (O) at the same time to store a station...
Service Manual - Page 9
...MENU or MENU. Therefore, depending on the component, the above operation may not be possible ... INPUT
SLEEP
Function
Press to preset/tune to preset stations or to select track numbers of the CD player...described.
• The VIDEO 3 button on the remote is displayed on the TV screen. Use the tactile..., CD player, Blu-ray disc player or DVD player. STR-K790
Name
Q RETURN/ EXIT O
R V/v/B/b
S DISPLAY
T ...
Service Manual - Page 10
... All segments turn on the main power. Turn the INPUT SELECTOR dial. ALL" appears. (No change while displayed.)
SHIPMENT MODE All preset contents are not counted again.
3. EVER" appears and switch off...turn on the main power.
2. PROTECTOR AUTO OFF Procedure:
1. Select
the desired step. STR-K790
SECTION 2 TEST MODE
SOUND FIELD CLEAR MODE The preset sound field is cleared when this...
Service Manual - Page 11
...; D1503 problem
2. DCAC DSP Data Line Checking 2. Turn MASTER VOLUME jog, there will be test tone sound output from front left speaker of test tone)
STR-K790
11 When power off : Press the three buttons MUSIC + DISPLAY + ?/1 .
Afterward, press the DIMMER to 255 (depends on loudness of the receiver and AUTO CAL...
Service Manual - Page 12
Input the following signal from Signal Generator to FM antenna input directly.
* Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = ...are detected and automatic scanning stops. STR-K790
Ver. 1.1
TUNER SECTION [FM Auto Stop Check]
SET
SECTION 3 ELECTRICAL ADJUSTMENT
generator OUT (75 Ω)
Procedure: 1. Confirm that input Frequency of automatic scanning means "The station signal is 75 ohm.
3. Turn...
Service Manual - Page 13
...FM J : ANALOG c : DIGITAL I : VIDEO
For Printed Wiring Boards. C
Q
These are omitted.
• Circuit Boards Location STANDBY board
POWER board DCAC board
HEADPHONE board DISPLAY board
STR-K790...1/4 W or less unless otherwise
specified.
• % : indicates tolerance. • f : internal component. • 2 : nonflammable resistor. • 5 : fusible resistor. • C : panel ...
Service Manual - Page 15
...STR-K790
• R-CH is omitted due to same as L-CH. • Signal Path
: FM... 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
+...
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 17
....
: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
IC1031
CL027 C1032
CL029 CL031 TP1000...
Service Manual - Page 21
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...
5 FL_DIN CL032
4 FL_CLK
3 INPUT_JOG_4A
2 INPUT-JOG_4B
1 CNS513
17P
DCAC_IN
H
DISPLAY BOARD CNS102 (Page 32)
No mark:FM
G
90 89 b9 91 92 97 99 93 94 95 96 98
a1 a2
a5 a4 a6 a3 a7 a8 b8 a9 ...
Service Manual - Page 27
... 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
R451 1k R402 1k
R452 1k R403 1k
R453 1k R404 1k
R454 1k
CNP501 15P
STR-K790
F
DIGITAL ... 29)
27
27
(Page 28)
CNP732 3P
E
DCAC BOARD CN2001 (4pin to 6pin) (Page 34)
No mark:FM 4-14. MAIN BOARD (1/4) - • See page 36 for IC Block Diagram. SCHEMATIC DIAGRAM -
Service Manual - Page 29
SCHEMATIC DIAGRAM - STR-K790
(Page 27)
TP2
20 MAIN BOARD (1/4) (Page 27)
(Page 30)
POWER AMP
IC701 STK350-530T-E
37 -37
37
1
-1
37
-0.2
-0.2
37 1.1 -1 37 -0.2 -0.2
R700 47k
C701 ...01
RR16 10
CC16 0.01
TM604
R479 2.2k CNP504 5P
L SURROUND
R
SPEAKERS
IMPEDANCE USE 6-16
SUB WOOFER
D
DIGITAL BOARD
(4/5) CNP506 (Page 21)
No mark:FM
STR-K790
29
29
4-16. MAIN BOARD (3/4) -
Service Manual - Page 30
... CNP790 (Page 34)
TM602
RR11 10
RR12 10
RR13 10
CC11 0.01
CC12 0.01
CC13 0.01
TM602
FRONT
SPEAKERS
IMPEDANCE USE 6-16
CENTER
No mark:FM
STR-K790
30
30 STR-K790
Ver. 1.1
4-17.
Service Manual - Page 32
...VOLUME
INPUT SELECTOR
RV101
3
2
3
C106 2200p
CL107 CL108 CL109 CL110
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...)
2 DC-CONTROL (CN2001)
L
DCAC BOARD CN2001 (Page 34)
No mark : FM
STR-K790
32
32 STR-K790
4-19.
Service Manual - Page 56
... on the revised page allows you to jump to the revised page. STR-K790
REVISION HISTORY
Clicking the version allows you to jump to the next revised page. Date
Description of Revision
1.0
2007.02 New
1.1
2007.03 Change of FM Auto Stop Check
Change of D884 to MAIN board
(SPM-07002) (ECN-ECC03280)
(ENG-07004...
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