Service Manual
Page 7
... 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 off . Observe the correct polarity when installing batteries. Doing so may be reset to control Sony components as follows. Tip...8226; Do not mix alkaline batteries and other components (SYSTEM STANDBY). STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries in tuner 7 If this happens, reassign the button again. Remote commander You can use the remote for about 3 months. MOVIE MUSIC AMP MENU 123 FM MODE 456...
... 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 off . Observe the correct polarity when installing batteries. Doing so may be reset to control Sony components as follows. Tip...8226; Do not mix alkaline batteries and other components (SYSTEM STANDBY). STR-K790 Inserting batteries into the remote Insert two R6 (size-AA) batteries in tuner 7 If this happens, reassign the button again. Remote commander You can use the remote for about 3 months. MOVIE MUSIC AMP MENU 123 FM MODE 456...
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...AUTO CAL MIC IC2000 5 AMP 1 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... 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 - 4-2.
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...AUTO CAL MIC IC2000 5 AMP 1 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... 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 - 4-2.
Service Manual
Page 32
...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 8 PW_SW 9 SIRCS 10 AD2 11 AD1 12 FL_LAT 13 FL_DI N 14 FL_CLK 15 INPUT_JOG_4A 16 INPUT_JOG_4B 17 DCAC_IN I MAIN BOARD (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...
...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 8 PW_SW 9 SIRCS 10 AD2 11 AD1 12 FL_LAT 13 FL_DI N 14 FL_CLK 15 INPUT_JOG_4A 16 INPUT_JOG_4B 17 DCAC_IN I MAIN BOARD (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...
Service Manual
Page 40
...) 88 HDMI_PRE O HDMI PRE (AEP, UK only) 89 HDMI_CTRL O HDMI board control (AEP, UK only) 90 COMP_S2 O Composite video select 2 (not used) 91 COMP_S1 O Composite video select 1 (not used (ground) 81 VSS - STR-K790 Pin No. Connection for a crystal resonator 83 X1 - Not used ) 79 XIA...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...
...) 88 HDMI_PRE O HDMI PRE (AEP, UK only) 89 HDMI_CTRL O HDMI board control (AEP, UK only) 90 COMP_S2 O Composite video select 2 (not used) 91 COMP_S1 O Composite video select 1 (not used (ground) 81 VSS - STR-K790 Pin No. Connection for a crystal resonator 83 X1 - Not used ) 79 XIA...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...
