Service Manual
Page 4
... select the input source to a headphone. - Connects to playback. Press to turn the receiver on the display. Receives signals from remote commander. To connect a portable audio such as MP3 player, etc.. 4 STR-K790 Receiver Front panel 1 234 ?/1 VIDEO 1 IN/ PORTABLE AUDIO IN/ AUTO CAL MIC DIMMER SLEEP 2CH A.F.D. q; 9 Name H MASTER VOLUME I INPUT SELECTOR...
... select the input source to a headphone. - Connects to playback. Press to turn the receiver on the display. Receives signals from remote commander. To connect a portable audio such as MP3 player, etc.. 4 STR-K790 Receiver Front panel 1 234 ?/1 VIDEO 1 IN/ PORTABLE AUDIO IN/ AUTO CAL MIC DIMMER SLEEP 2CH A.F.D. q; 9 Name H MASTER VOLUME I INPUT SELECTOR...
Service Manual
Page 7
... qd qf Name Function A TV ?/1 Press TV ?/1 and TV (O) at (on or off the Sony audio/video components that the remote is assigned to use the remote for about 3 months. If you want to operate. STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries in tuner 7 REPLAY ADVANCE PRESET + .< > < TUNING - AV ?/1 (on...
... qd qf Name Function A TV ?/1 Press TV ?/1 and TV (O) at (on or off the Sony audio/video components that the remote is assigned to use the remote for about 3 months. If you want to operate. STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries in tuner 7 REPLAY ADVANCE PRESET + .< > < TUNING - AV ?/1 (on...
Service Manual
Page 9
... of the VCR or satellite tuner. Press 0/10 to select channel numbers of the Digital CATV terminal. Press to select the information displayed on the remote is not available for DVD MENU or MENU. Press to select track numbers over 10 of the VCR, satellite tuner or CD player or to... or DVD player. Press DISPLAY and TV (O) at the same time to select the channel entry mode, either one or two digits of the TV. 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 VCR or satellite tuner. Press 0/10 to select channel numbers of the Digital CATV terminal. Press to select the information displayed on the remote is not available for DVD MENU or MENU. Press to select track numbers over 10 of the VCR, satellite tuner or CD player or to... or DVD player. Press DISPLAY and TV (O) at the same time to select the channel entry mode, either one or two digits of the TV. 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...
Service Manual
Page 15
DISPLAY/POWER SECTION - 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,...Q2001,2002 DC +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...+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. BLOCK DIAGRAM -
DISPLAY/POWER SECTION - 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,...Q2001,2002 DC +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...+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. BLOCK DIAGRAM -
Service Manual
Page 32
... CL105 CL106 2 C151 0.1 1 1 MASTER 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 GND 4 +3.3V(STDBY ) 5 +5V 6 VOL_JOG_2A 7 VOL_JOG_2B...(2/4) CNP908 (Page 28) H DIGITAL BOARD (4/5) CNS513 (Page 21) CNP102 2P 1 DCAC_IN (CN2001) 2 DC-CONTROL (CN2001) L DCAC BOARD CN2001 (Page 34) No mark : FM STR-K790 32 32 STR-K790 4-19. SCHEMATIC DIAGRAM -
... CL105 CL106 2 C151 0.1 1 1 MASTER 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 GND 4 +3.3V(STDBY ) 5 +5V 6 VOL_JOG_2A 7 VOL_JOG_2B...(2/4) CNP908 (Page 28) H DIGITAL BOARD (4/5) CNS513 (Page 21) CNP102 2P 1 DCAC_IN (CN2001) 2 DC-CONTROL (CN2001) L DCAC BOARD CN2001 (Page 34) No mark : FM STR-K790 32 32 STR-K790 4-19. SCHEMATIC DIAGRAM -
Service Manual
Page 40
STR-K790 Pin No. Ground terminal 82 X0 - Power supply (+3.3V) 85 HDMI_S2 O HDMI select 2 (not used) 86 HDMI_S1 O HDMI select 1 (AEP, UK only) 87 HDMI_OED O HDMI ... 52 RDS_CLK I RDS clock signal input (AEP, UK only) 53 RDS_DATA I RDS data signal input (AEP, UK only) 54 SIRCS I Data signal input from the remote control sensor 55 HP_DETECT I Headphone signal input 56 POWER_KEY I Power switch key detect signal input 57 ADCC_INT I ADCC interrupt input 58 POWER_RY O Power relay control...
STR-K790 Pin No. Ground terminal 82 X0 - Power supply (+3.3V) 85 HDMI_S2 O HDMI select 2 (not used) 86 HDMI_S1 O HDMI select 1 (AEP, UK only) 87 HDMI_OED O HDMI ... 52 RDS_CLK I RDS clock signal input (AEP, UK only) 53 RDS_DATA I RDS data signal input (AEP, UK only) 54 SIRCS I Data signal input from the remote control sensor 55 HP_DETECT I Headphone signal input 56 POWER_KEY I Power switch key detect signal input 57 ADCC_INT I ADCC interrupt input 58 POWER_RY O Power relay control...
