Service Manual
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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. ** "DTS" and "DTS Digital Surround...and sub woofer. To reset the scale to 9 kHz or 10 kHz. FM STEREO/FM-AM RECEIVER 9-887-542-02 2007C16-1 © 2007.03 Sony Corporation Home Audio Division Published by Sony Techno Create Corporation While holding down DIMMER, press ?/1. All preset stations will be no more than...
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. ** "DTS" and "DTS Digital Surround...and sub woofer. To reset the scale to 9 kHz or 10 kHz. FM STEREO/FM-AM RECEIVER 9-887-542-02 2007C16-1 © 2007.03 Sony Corporation Home Audio Division Published by Sony Techno Create Corporation While holding down DIMMER, press ?/1. All preset stations will be no more than...
Service Manual
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.... Schematic Diagram - Printed Wiring Board - Printed Wiring Boards - POWER Board, DCAC Board, HEADPHONE Board 34 5. EXPLODED VIEWS 5-1. ELECTRICAL PARTS LIST 44 3 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". DISPLAY/POWER Section 15 4-3. Printed Wiring Board...
.... Schematic Diagram - Printed Wiring Board - Printed Wiring Boards - POWER Board, DCAC Board, HEADPHONE Board 34 5. EXPLODED VIEWS 5-1. ELECTRICAL PARTS LIST 44 3 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". DISPLAY/POWER Section 15 4-3. Printed Wiring Board...
Service Manual
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... off . Turn to select the input source to activate the Auto Calibration function. Press to playback. Receives signals from remote commander. Press to turn the receiver on 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. MOVIE MUSIC PHONES SECTION 1 GENERAL 5 67 8 DISPLAY AUTO CAL...
... off . Turn to select the input source to activate the Auto Calibration function. Press to playback. Receives signals from remote commander. Press to turn the receiver on 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. MOVIE MUSIC PHONES SECTION 1 GENERAL 5 67 8 DISPLAY AUTO CAL...
Service Manual
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STR-K790 About the indicators on presetting radio stations. Lights up when audio signal is...I Preset station indicators J D.RANGE K COAX L Playback channel indicators L R C SL SR S Function Lights up when using the receiver to output the center and surround channel signals. AUTO SW LFE LCR SL SR 5 PL/ ; "; "; Note Dolby Pro Logic ... by Pro Logic processing) Example: Recording format (Front/ Surround): 3/2.1 Sound Field: A.F.D. Lights up when the receiver is selected. Lights up when DVD input is decoding DTS signals. PL" lights up when the Pro Logic II...
STR-K790 About the indicators on presetting radio stations. Lights up when audio signal is...I Preset station indicators J D.RANGE K COAX L Playback channel indicators L R C SL SR S Function Lights up when using the receiver to output the center and surround channel signals. AUTO SW LFE LCR SL SR 5 PL/ ; "; "; Note Dolby Pro Logic ... by Pro Logic processing) Example: Recording format (Front/ Surround): 3/2.1 Sound Field: A.F.D. Lights up when the receiver is selected. Lights up when DVD input is decoding DTS signals. PL" lights up when the Pro Logic II...
Service Manual
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...C AUDIO INPUT section AUDIO IN Connects to a DVD player, etc. FM ANTENNA jack Connects to the FM wire antenna supplied with this receiver. The COAXIAL jack provides a better COAXIAL IN quality of loud jack sound. HDMI IN/ OUT jacks* Connects to a CD White (L) ...ANTENNA AM loop antenna terminals supplied with this receiver. B ANTENNA section FM ANTENNA jack AM ANTENNA terminals Connects to a DVD IN jack player, etc. B ANTENNA section AUDIO IN White (L) jacks Red (R) Connects to a DVD IN jack player, etc. STR-K790 Rear panel US, Canadian models 12 3 ...
...C AUDIO INPUT section AUDIO IN Connects to a DVD player, etc. FM ANTENNA jack Connects to the FM wire antenna supplied with this receiver. The COAXIAL jack provides a better COAXIAL IN quality of loud jack sound. HDMI IN/ OUT jacks* Connects to a CD White (L) ...ANTENNA AM loop antenna terminals supplied with this receiver. B ANTENNA section FM ANTENNA jack AM ANTENNA terminals Connects to a DVD IN jack player, etc. B ANTENNA section AUDIO IN White (L) jacks Red (R) Connects to a DVD IN jack player, etc. STR-K790 Rear panel US, Canadian models 12 3 ...
Service Manual
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... 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 turn the TV on or off . Remote commander You can use . REPLAY ADVANCE PRESET + .< > < TUNING - STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries...
... 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 turn the TV on or off . Remote commander You can use . REPLAY ADVANCE PRESET + .< > < TUNING - STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries...
Service Manual
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... to display the menu of the CD player, DVD player or Blu-ray disc player. disc protection), recorder (e.g. K MUTING Press to skips tracks of the receiver. Press TV VOL +/- level of all speakers at the same time to pause playback or recording of the VCR, CD player, DVD player or Blu... components in the forward/backward direction of the TV, VCR or satellite tuner. O TV Press TV and the button you want at the same time. STR-K790 Name Function D 2CH Press to select 2CH STEREO mode. A.F.D. PRESET +/-
... to display the menu of the CD player, DVD player or Blu-ray disc player. disc protection), recorder (e.g. K MUTING Press to skips tracks of the receiver. Press TV VOL +/- level of all speakers at the same time to pause playback or recording of the VCR, CD player, DVD player or Blu... components in the forward/backward direction of the TV, VCR or satellite tuner. O TV Press TV and the button you want at the same time. STR-K790 Name Function D 2CH Press to select 2CH STEREO mode. A.F.D. PRESET +/-
Service Manual
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... to enter the selection of the VCR, DVD player, or satellite tuner is intended to serve as references when operating the receiver. Use the tactile dots as an example only. STR-K790 Name Q RETURN/ EXIT O R V/v/B/b S DISPLAY T -/->10/x CLEAR Function Press to return to the previous menu or exit the ...menu while the menu or on-screen guide of the receiver, VCR, satellite tuner, Blu-ray disc player or DVD player. Press to ...
... to enter the selection of the VCR, DVD player, or satellite tuner is intended to serve as references when operating the receiver. Use the tactile dots as an example only. STR-K790 Name Q RETURN/ EXIT O R V/v/B/b S DISPLAY T -/->10/x CLEAR Function Press to return to the previous menu or exit the ...menu while the menu or on-screen guide of the receiver, VCR, satellite tuner, Blu-ray disc player or DVD player. Press to ...
Service Manual
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... Checking 2. DCAC board Checking Connect front left speaker, and the display will be test tone sound output from front left speaker of test tone) STR-K790 11 Turn MASTER VOLUME jog, there will change accordingly. DCAC DSP Data Line Checking After press the DIMMER , DCAC Factory test mode will show:...mode. 1. DCAC FACTORY TEST MODE DCAC Factory Test mode have two stages: 1. Afterward, press the DIMMER to 255 (depends on loudness of the receiver and AUTO CAL microphone. DCAC board Checking Start DSP Data Line Pass Check Auto Cal Mic Pass Check END Factory Test System Setup...
... Checking 2. DCAC board Checking Connect front left speaker, and the display will be test tone sound output from front left speaker of test tone) STR-K790 11 Turn MASTER VOLUME jog, there will change accordingly. DCAC DSP Data Line Checking After press the DIMMER , DCAC Factory test mode will show:...mode. 1. DCAC FACTORY TEST MODE DCAC Factory Test mode have two stages: 1. Afterward, press the DIMMER to 255 (depends on loudness of the receiver and AUTO CAL microphone. DCAC board Checking Start DSP Data Line Pass Check Auto Cal Mic Pass Check END Factory Test System Setup...
Service Manual
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Please use SG whose output impedance is received in good condition." 12 STR-K790 Ver. 1.1 TUNER SECTION [FM Auto Stop Check] SET SECTION 3 ELECTRICAL ADJUSTMENT generator OUT (75 Ω) Procedure: 1. Set to connect SG and the set. Confirm that ...
Please use SG whose output impedance is received in good condition." 12 STR-K790 Ver. 1.1 TUNER SECTION [FM Auto Stop Check] SET SECTION 3 ELECTRICAL ADJUSTMENT generator OUT (75 Ω) Procedure: 1. Set to connect SG and the set. Confirm that ...
Service Manual
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4-2. DISPLAY/POWER SECTION - BLOCK DIAGRAM - STR-K790 • R-CH is omitted due to same as L-CH. • Signal Path : FM L IC501 POWER AMP +V OUT2 12 8 IN2 NF2 9 Q501,502 ... +7V 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 IC1101(2/2) FL_LAT FL_CLK FL_DATA 9 16 17 IC101 BUFFER IC100 FL DRIVE SEG1-17 14 7 DIN...+3.3V REG 1 D910-913 F901 AC IN Q911 AC DET D914 D915 T900(AEP,UK) T902(US,CND) Q901 RELAY DRIVE RY901 STR-K790 15 15
4-2. DISPLAY/POWER SECTION - BLOCK DIAGRAM - STR-K790 • R-CH is omitted due to same as L-CH. • Signal Path : FM L IC501 POWER AMP +V OUT2 12 8 IN2 NF2 9 Q501,502 ... +7V 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 IC1101(2/2) FL_LAT FL_CLK FL_DATA 9 16 17 IC101 BUFFER IC100 FL DRIVE SEG1-17 14 7 DIN...+3.3V REG 1 D910-913 F901 AC IN Q911 AC DET D914 D915 T900(AEP,UK) T902(US,CND) Q901 RELAY DRIVE RY901 STR-K790 15 15