Service Manual
Page 1
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 ... kHz, THD 10%) RMS output FRONT:133 W per channel CENTER: 133 W SURROUND: 133 W per channel minimum RMS power, with no sound output. Inputs Analog Sensitivity: 800 mV/ 50 kohms Digital (Coaxial) Impedance: 75 ohms Tone Gain levels ±6 dB, 1 dB step ..., Canadian 120 V AC, 60 Hz AEP, UK 230 V AC, 50/60 Hz - Continued on the sound field settings and the source, there may be erased when you change the AM tuning scale to 9 kHz or...
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 ... kHz, THD 10%) RMS output FRONT:133 W per channel CENTER: 133 W SURROUND: 133 W per channel minimum RMS power, with no sound output. Inputs Analog Sensitivity: 800 mV/ 50 kohms Digital (Coaxial) Impedance: 75 ohms Tone Gain levels ±6 dB, 1 dB step ..., Canadian 120 V AC, 60 Hz AEP, UK 230 V AC, 50/60 Hz - Continued on the sound field settings and the source, there may be erased when you change the AM tuning scale to 9 kHz or...
Service Manual
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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 select information displayed on the display. Press to ... at the same time. Turn to select the input source to activate the Auto Calibration function. Press to select 2CH STEREO mode. Press to select sound fields (MOVIE, MUSIC). Press to turn the receiver on /standby) B DIMMER C SLEEP D 2CH E Display F DISPLAY G AUTO CAL Function Press to select A.F.D. mode. MOVIE MUSIC PHONES...
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 select information displayed on the display. Press to ... at the same time. Turn to select the input source to activate the Auto Calibration function. Press to select 2CH STEREO mode. Press to select sound fields (MOVIE, MUSIC). Press to turn the receiver on /standby) B DIMMER C SLEEP D 2CH E Display F DISPLAY G AUTO CAL Function Press to select A.F.D. mode. MOVIE MUSIC PHONES...
Service Manual
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... 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. D ; PL OPT DTS COAX 78 MEMORY RDS ST D.RANGE MONO qs qa q; 9 Name A SW B LFE C; "; Note "RDS... vary to tune in radio stations you have preset. PLII ; The letters (L, C, R, etc.) indicate the channels being reproduced. STR-K790 About the indicators on presetting radio stations. Lights up when a memory function, such as Name Input, Preset Memory, etc., is decoding Dolby...
... 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. D ; PL OPT DTS COAX 78 MEMORY RDS ST D.RANGE MONO qs qa q; 9 Name A SW B LFE C; "; Note "RDS... vary to tune in radio stations you have preset. PLII ; The letters (L, C, R, etc.) indicate the channels being reproduced. STR-K790 About the indicators on presetting radio stations. Lights up when a memory function, such as Name Input, Preset Memory, etc., is decoding Dolby...
Service Manual
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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 ... SPEAKERS RL RL CENTER FRONT SPEAKERS 4 A DIGITAL INPUT section C AUDIO INPUT section OPTICAL Connects to the speakers and sub woofer*. * The numbers of loud jack sound. HDMI IN/ OUT jacks* Connects to a TV or a projector. Red (R) D SPEAKER section Connects to a DVD IN jack player, etc. The image and the...
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 ... SPEAKERS RL RL CENTER FRONT SPEAKERS 4 A DIGITAL INPUT section C AUDIO INPUT section OPTICAL Connects to the speakers and sub woofer*. * The numbers of loud jack sound. HDMI IN/ OUT jacks* Connects to a TV or a projector. Red (R) D SPEAKER section Connects to a DVD IN jack player, etc. The image and the...
Service Manual
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MOVIE, MUSIC Press to enter direct tuning mode. G D.TUNING Press to select sound fields (MOVIE, MUSIC). D.SKIP Press to enter the value after selecting a channel, disc or track using the numeric buttons of the TV, VCR or satellite ... disc player. disc protection), recorder (e.g. erasing multiple titles). L TV VOL +*/- m/M Press to search tracks in recording standby.) x TV CH +/- Press to select 2CH STEREO mode. STR-K790 Name Function D 2CH Press to stop playback of the VCR, CD player, DVD player or Blu-ray disc player. A.F.D. Press to display the menu of...
MOVIE, MUSIC Press to enter direct tuning mode. G D.TUNING Press to select sound fields (MOVIE, MUSIC). D.SKIP Press to enter the value after selecting a channel, disc or track using the numeric buttons of the TV, VCR or satellite ... disc player. disc protection), recorder (e.g. erasing multiple titles). L TV VOL +*/- m/M Press to search tracks in recording standby.) x TV CH +/- Press to select 2CH STEREO mode. STR-K790 Name Function D 2CH Press to stop playback of the VCR, CD player, DVD player or Blu-ray disc player. A.F.D. Press to display the menu of...
Service Manual
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...is activated, all segments turn on at the same time, then each segment one after another . SWAP ALL MODE The signal will have sound output. Procedure: 1. ALL" appears. (No change while displayed.) SHIPMENT MODE All preset contents are pressed "REST 00" appears. PROTECTOR ... TEST MODE All fluorescent segments are tested. All segments turn on . Turn the INPUT SELECTOR dial. STR-K790 SECTION 2 TEST MODE SOUND FIELD CLEAR MODE The preset sound field is cleared when this mode before returning the product to clients upon completion of repair. SOFTWARE VERSION...
...is activated, all segments turn on at the same time, then each segment one after another . SWAP ALL MODE The signal will have sound output. Procedure: 1. ALL" appears. (No change while displayed.) SHIPMENT MODE All preset contents are pressed "REST 00" appears. PROTECTOR ... TEST MODE All fluorescent segments are tested. All segments turn on . Turn the INPUT SELECTOR dial. STR-K790 SECTION 2 TEST MODE SOUND FIELD CLEAR MODE The preset sound field is cleared when this mode before returning the product to clients upon completion of repair. SOFTWARE VERSION...
Service Manual
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... on loudness of the receiver and AUTO CAL microphone. "DCAC[]FTM" appears. 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 . "AD[]-[]xxx" xxx = 0 to start , below display will show: "DCAC[][][]x" x = 1, 2, 3 If...
... on loudness of the receiver and AUTO CAL microphone. "DCAC[]FTM" appears. 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 . "AD[]-[]xxx" xxx = 0 to start , below display will show: "DCAC[][][]x" x = 1, 2, 3 If...
Service Manual
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...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 BOARD (3/5) CNS501 (Page 20) CNP502 11P G DIGITAL BOARD (5/5) CNS502 (Page 22) 20 MAIN BOARD (3/4) TP1 (...-7 0.9 0.9 C402 10 50V C452 10 50V 0 0 0 0 0 0 0 C421 C431 4.7 10 50V 50V C432 C422 10 50V 4.7 50V C424 4.7 50V 0 0 0 0 0 0 0 0 IC400 M61542FP ANALOG SOUND PROCESSOR IC B/D C434 10 0 50V 0 0 C433 0 10 50V 0 C423 4.7 50V 0 0 0 C425 4.7 0 50V 0 C435 10 50V C446 0 4.7 50V C436 0 10 50V 0 C426 4.7 50V R416 ...
...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 BOARD (3/5) CNS501 (Page 20) CNP502 11P G DIGITAL BOARD (5/5) CNS502 (Page 22) 20 MAIN BOARD (3/4) TP1 (...-7 0.9 0.9 C402 10 50V C452 10 50V 0 0 0 0 0 0 0 C421 C431 4.7 10 50V 50V C432 C422 10 50V 4.7 50V C424 4.7 50V 0 0 0 0 0 0 0 0 IC400 M61542FP ANALOG SOUND PROCESSOR IC B/D C434 10 0 50V 0 0 C433 0 10 50V 0 C423 4.7 50V 0 0 0 C425 4.7 0 50V 0 C435 10 50V C446 0 4.7 50V C436 0 10 50V 0 C426 4.7 50V R416 ...