Service Manual
Page 1
...: 135 W 1)Measured under license from Dolby Laboratories. Depending on next page - FM STEREO/FM-AM RECEIVER 9-887-542-02 2007C16-1 © 2007.03 Sony Corporation Home Audio Division Published by Sony Techno Create Corporation Inputs Analog Sensitivity: 800 mV/ 50 kohms Digital (Coaxial) Impedance: 75 ohms Tone...V AC, 50/60 Hz - 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. After tuning in HT-DDW790 and HT-DDW795. All preset stations will ...
...: 135 W 1)Measured under license from Dolby Laboratories. Depending on next page - FM STEREO/FM-AM RECEIVER 9-887-542-02 2007C16-1 © 2007.03 Sony Corporation Home Audio Division Published by Sony Techno Create Corporation Inputs Analog Sensitivity: 800 mV/ 50 kohms Digital (Coaxial) Impedance: 75 ohms Tone...V AC, 50/60 Hz - 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. After tuning in HT-DDW790 and HT-DDW795. All preset stations will ...
Service Manual
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... Section 43 6. GENERAL 4 2. DIGITAL Board (3/5 20 4-8. DIGITAL Board (4/5 21 4-9. DIGITAL Board (5/5 22 4-10. Schematic Diagram - Schematic Diagram - Front Panel Section 42 5-2. 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". Model US model Canadian model AEP, UK...
... Section 43 6. GENERAL 4 2. DIGITAL Board (3/5 20 4-8. DIGITAL Board (4/5 21 4-9. DIGITAL Board (5/5 22 4-10. Schematic Diagram - Schematic Diagram - Front Panel Section 42 5-2. 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". Model US model Canadian model AEP, UK...
Service Manual
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... on the display. To connect a portable audio such as MP3 player, etc.. 4 Press to activate the Sleep Timer function and the duration which the receiver turns off . 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 INPUT...
... on the display. To connect a portable audio such as MP3 player, etc.. 4 Press to activate the Sleep Timer function and the duration which the receiver turns off . 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 INPUT...
Service Manual
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...Surround): 3/2.1 Sound Field: A.F.D. D ; D D ; Lights up when dynamic range compression is decoding Dolby Digital signals. PL" lights up when the receiver is selected. However, "UNLOCK" appears on presetting radio stations. Note "RDS" appears for DTS format signals. PL OPT DTS COAX 78 MEMORY RDS ST...Logic processing to tune in radio stations you have preset. Lights up when using the receiver to tune in order to show how the receiver downmixes the source sound. STR-K790 About the indicators on the display if no digital signal is input through the COAXIAL ...
...Surround): 3/2.1 Sound Field: A.F.D. D ; D D ; Lights up when dynamic range compression is decoding Dolby Digital signals. PL" lights up when the receiver is selected. However, "UNLOCK" appears on presetting radio stations. Note "RDS" appears for DTS format signals. PL OPT DTS COAX 78 MEMORY RDS ST...Logic processing to tune in radio stations you have preset. Lights up when using the receiver to tune in order to show how the receiver downmixes the source sound. STR-K790 About the indicators on the display if no digital signal is input through the COAXIAL ...
Service Manual
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...to a DVD player, etc. FM ANTENNA jack Connects to the FM wire antenna supplied with this receiver. Connects to the ANTENNA AM loop antenna terminals supplied with this receiver. 6 The COAXIAL jack provides a better COAXIAL IN quality of loud jack sound. HDMI IN/ ...jacks* Connects to a TV or projector. AM Connects to the AM loop antenna supplied with this receiver. The COAXIAL jack provides a better COAXIAL IN quality of loud jack sound. STR-K790 Rear panel US, Canadian models 12 3 4 DIGITAL OPTICAL VIDEO 2/ BD IN COAXIAL DVD IN ANTENNA...
...to a DVD player, etc. FM ANTENNA jack Connects to the FM wire antenna supplied with this receiver. Connects to the ANTENNA AM loop antenna terminals supplied with this receiver. 6 The COAXIAL jack provides a better COAXIAL IN quality of loud jack sound. HDMI IN/ ...jacks* Connects to a TV or projector. AM Connects to the AM loop antenna supplied with this receiver. The COAXIAL jack provides a better COAXIAL IN quality of loud jack sound. STR-K790 Rear panel US, Canadian models 12 3 4 DIGITAL OPTICAL VIDEO 2/ BD IN COAXIAL DVD IN ANTENNA...
Service Manual
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STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries in tuner 7 If this happens, reassign the button again. When the remote no longer operates the receiver, replace all components, press ?/1 and AV ?/1 (A) at the same time (SYSTEM STANDBY). RM-AAU013 wd ws... 9 q; qa qs qd qf Name Function A TV ?/1 Press TV ?/1 and TV (O) at the same time, it will turn the TV on /standby) Press to control Sony components as follows. B ?/1 (on or off . Remote commander You can use a new battery with new ones. C Input buttons Press one of time, remove the batteries...
STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries in tuner 7 If this happens, reassign the button again. When the remote no longer operates the receiver, replace all components, press ?/1 and AV ?/1 (A) at the same time (SYSTEM STANDBY). RM-AAU013 wd ws... 9 q; qa qs qd qf Name Function A TV ?/1 Press TV ?/1 and TV (O) at the same time, it will turn the TV on /standby) Press to control Sony components as follows. B ?/1 (on or off . Remote commander You can use a new battery with new ones. C Input buttons Press one of time, remove the batteries...
Service Manual
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...VOL +/- and TV (O) at the same time to skips tracks of the VCR or satellite tuner. N ./> Press to select preset TV channels. STR-K790 Name Function D 2CH Press to select FM monaural or stereo reception. I ENTER Press to fast forward/rewind of the VCR, DVD player, Blu... settings during recording), or multiple items on a list menu (e.g. X Press to replay the previous scene or fast forward the current scene of the receiver. P REPLAY < / ADVANCE < Press to pause playback or recording of all speakers at the same time. D.SKIP Press to start playback of the...
...VOL +/- and TV (O) at the same time to skips tracks of the VCR or satellite tuner. N ./> Press to select preset TV channels. STR-K790 Name Function D 2CH Press to select FM monaural or stereo reception. I ENTER Press to fast forward/rewind of the VCR, DVD player, Blu... settings during recording), or multiple items on a list menu (e.g. X Press to replay the previous scene or fast forward the current scene of the receiver. P REPLAY < / ADVANCE < Press to pause playback or recording of all speakers at the same time. D.SKIP Press to start playback of the...
Service Manual
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... same time to return to the previous menu or exit the TV's menu while the menu is intended to serve as references when operating the receiver. Name U Numeric buttons (number 5*) V AUTO CAL W TV INPUT SLEEP Function Press to preset/tune to preset stations or to select track numbers of ... two digits of the VCR, DVD player, or satellite tuner is not available for DVD MENU or MENU. Press 0/10 to enter the selection for receiver operation. 9 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 ...
... same time to return to the previous menu or exit the TV's menu while the menu is intended to serve as references when operating the receiver. Name U Numeric buttons (number 5*) V AUTO CAL W TV INPUT SLEEP Function Press to preset/tune to preset stations or to select track numbers of ... two digits of the VCR, DVD player, or satellite tuner is not available for DVD MENU or MENU. Press 0/10 to enter the selection for receiver operation. 9 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 ...
Service Manual
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Afterward, press the DIMMER to 255 (depends on loudness of the receiver and AUTO CAL microphone. DCAC board Checking Connect front left speaker, and the display will start DCAC factory test mode. 1. DCAC DSP Data Line Checking ... Cal Mic Pass Check END Factory Test System Setup Receiver DCAC MIC SPK Front Left 1. Turn MASTER VOLUME jog, there will show : "DCAC[][][]x" x = 1, 2, 3 If there is error happen, below display will be test tone sound output from front left speaker of test tone) STR-K790 11 "AD[]-[]xxx" xxx = 0 to start , below display...
Afterward, press the DIMMER to 255 (depends on loudness of the receiver and AUTO CAL microphone. DCAC board Checking Connect front left speaker, and the display will start DCAC factory test mode. 1. DCAC DSP Data Line Checking ... Cal Mic Pass Check END Factory Test System Setup Receiver DCAC MIC SPK Front Left 1. Turn MASTER VOLUME jog, there will show : "DCAC[][][]x" x = 1, 2, 3 If there is error happen, below display will be test tone sound output from front left speaker of test tone) STR-K790 11 "AD[]-[]xxx" xxx = 0 to start , below display...
Service Manual
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... Deviation : 75 kHz Modulation : 1 kHz ANT input : 35 dBu (EMF) Note: Please use SG whose output impedance is received in good condition." 12 Turn the power on. 2. You cannot use video cable for checking. STR-K790 Ver. 1.1 TUNER SECTION [FM Auto Stop Check] SET SECTION 3 ELECTRICAL ADJUSTMENT generator OUT (75 Ω) Procedure: 1. Confirm...
... Deviation : 75 kHz Modulation : 1 kHz ANT input : 35 dBu (EMF) Note: Please use SG whose output impedance is received in good condition." 12 Turn the power on. 2. You cannot use video cable for checking. STR-K790 Ver. 1.1 TUNER SECTION [FM Auto Stop Check] SET SECTION 3 ELECTRICAL ADJUSTMENT generator OUT (75 Ω) Procedure: 1. Confirm...
Service Manual
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DISPLAY/POWER SECTION - 4-2. 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 BLOCK DIAGRAM -
DISPLAY/POWER SECTION - 4-2. 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 BLOCK DIAGRAM -