Service Manual
Page 1
...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 SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: (Models of DTS, Inc. To reset ...230 V AC, 50 Hz 2)Reference power output for front, center, surround speakers and sub woofer. While holding down DIMMER, press ?/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 AM station, turn ...
...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 SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: (Models of DTS, Inc. To reset ...230 V AC, 50 Hz 2)Reference power output for front, center, surround speakers and sub woofer. While holding down DIMMER, press ?/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 AM station, turn ...
Service Manual
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...audio signal is decoding Dolby Digital signals. The boxes around the letters vary to tune in radio stations, etc. STR-K790 About the indicators on presetting radio stations. PL/ ; Note Dolby Pro Logic and Dolby Pro Logic II decoding ...to show how the receiver downmixes the source sound. D D ; Front Left Front 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. Name H Tuner Indicators I Preset station indicators J D.RANGE K COAX L ...
...audio signal is decoding Dolby Digital signals. The boxes around the letters vary to tune in radio stations, etc. STR-K790 About the indicators on presetting radio stations. PL/ ; Note Dolby Pro Logic and Dolby Pro Logic II decoding ...to show how the receiver downmixes the source sound. D D ; Front Left Front 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. Name H Tuner Indicators I Preset station indicators J D.RANGE K COAX L ...
Service Manual
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...ANTENNA AM DVD IN VIDEO 2 /BD IN OUT HDMI RL L R AUDIO IN AUDIO IN AUDIO IN SA-CD/CD TV SAT SUB R L WOOFER SURROUND SPEAKERS RL RL CENTER FRONT SPEAKERS 4 A DIGITAL INPUT section C AUDIO INPUT section OPTICAL Connects to the AM loop antenna supplied with this receiver. AM ...IN Connects to a DVD IN jack player, etc. 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 TV SAT RL SUB RL WOOFER SURROUND SPEAKERS RL RL CENTER FRONT SPEAKERS A DIGITAL INPUT section...
...ANTENNA AM DVD IN VIDEO 2 /BD IN OUT HDMI RL L R AUDIO IN AUDIO IN AUDIO IN SA-CD/CD TV SAT SUB R L WOOFER SURROUND SPEAKERS RL RL CENTER FRONT SPEAKERS 4 A DIGITAL INPUT section C AUDIO INPUT section OPTICAL Connects to the AM loop antenna supplied with this receiver. AM ...IN Connects to a DVD IN jack player, etc. 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 TV SAT RL SUB RL WOOFER SURROUND SPEAKERS RL RL CENTER FRONT SPEAKERS A DIGITAL INPUT section...
Service Manual
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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 ...AF POWER PROTECT Q607 AF POWER PROTECT SR-CH Q707 AF POWER PROTECT Q608 RELAY DRIVE RY551 R-CH TM602(1/2) L R FRONT RY601 R-CH TM604(1/2) L R SURROUND Q708 RELAY DRIVE RY701 SPEAKERS IMPEDANCE USE 6-16Ω TM602(2/2) CENTER TM604(2/2) SUB WOOFER IC850 2 PROTECT DET 7 POWER AMP -B +B -B FL101 -20V...-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 ...AF POWER PROTECT Q607 AF POWER PROTECT SR-CH Q707 AF POWER PROTECT Q608 RELAY DRIVE RY551 R-CH TM602(1/2) L R FRONT RY601 R-CH TM604(1/2) L R SURROUND Q708 RELAY DRIVE RY701 SPEAKERS IMPEDANCE USE 6-16Ω TM602(2/2) CENTER TM604(2/2) SUB WOOFER IC850 2 PROTECT DET 7 POWER AMP -B +B -B FL101 -20V...-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
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...12. No. No. Q706 Q707 Q708 Q751 Q752 Q753 Q754 Q755 Q756 Q801 Q851 Q852 Q881 Q882 Q883 Location G-4 G-3 C-6 G-5 H-6 H-5 H-6 G-6 G-5 F-14 F-11 E-9 E-12 F-12 F-12 STR-K790 25 25 STR-K790 Ver. 1.1 1 A B C DCAC E BOARD CN2001 (4pin-6pin) (Page 33) D DIGITAL F BOARD CNS501 (Page 17) E DIGITAL G F BOARD CNS502 (Page 17) G H 2 3 4... JW853 CC54 C452 C402 R454 TP1 DCAC BOARD B CN2001 (7pin-9pin) (Page 33) SPEAKERS IMPEDANCE USE 6-16 SUB WOOFER SURROUND R L CNP733 RY701 AEP,UK JW829 CC16 RR16 TM604 CC15 CC14 RR15 RR14 JWH17 AEP,UK JW950 SPEAKERS IMPEDANCE USE 6-16 ...
...12. No. No. Q706 Q707 Q708 Q751 Q752 Q753 Q754 Q755 Q756 Q801 Q851 Q852 Q881 Q882 Q883 Location G-4 G-3 C-6 G-5 H-6 H-5 H-6 G-6 G-5 F-14 F-11 E-9 E-12 F-12 F-12 STR-K790 25 25 STR-K790 Ver. 1.1 1 A B C DCAC E BOARD CN2001 (4pin-6pin) (Page 33) D DIGITAL F BOARD CNS501 (Page 17) E DIGITAL G F BOARD CNS502 (Page 17) G H 2 3 4... JW853 CC54 C452 C402 R454 TP1 DCAC BOARD B CN2001 (7pin-9pin) (Page 33) SPEAKERS IMPEDANCE USE 6-16 SUB WOOFER SURROUND R L CNP733 RY701 AEP,UK JW829 CC16 RR16 TM604 CC15 CC14 RR15 RR14 JWH17 AEP,UK JW950 SPEAKERS IMPEDANCE USE 6-16 ...
Service Manual
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SCHEMATIC DIAGRAM - 4-16. MAIN BOARD (3/4) - STR-K790 (Page 27) TP2 20 MAIN BOARD (1/4) (Page 27) (Page 30) POWER AMP IC701 STK350-530T-E 37 -37 37 1 -1 37 -0.2 -0.2 37 1.1 -1 37 -0.2 -0.2 R700 47k C701 4.7 50V ...-72 0.2 Q708 2SC1740S-QRT RELAY DRIVE 0.7 R725 100 RR14 10 CC14 0.01 RR15 10 CC15 0.01 RR16 10 CC16 0.01 TM604 R479 2.2k CNP504 5P L SURROUND R SPEAKERS IMPEDANCE USE 6-16 SUB WOOFER D DIGITAL BOARD (4/5) CNP506 (Page 21) No mark:FM STR-K790 29 29
SCHEMATIC DIAGRAM - 4-16. MAIN BOARD (3/4) - STR-K790 (Page 27) TP2 20 MAIN BOARD (1/4) (Page 27) (Page 30) POWER AMP IC701 STK350-530T-E 37 -37 37 1 -1 37 -0.2 -0.2 37 1.1 -1 37 -0.2 -0.2 R700 47k C701 4.7 50V ...-72 0.2 Q708 2SC1740S-QRT RELAY DRIVE 0.7 R725 100 RR14 10 CC14 0.01 RR15 10 CC15 0.01 RR16 10 CC16 0.01 TM604 R479 2.2k CNP504 5P L SURROUND R SPEAKERS IMPEDANCE USE 6-16 SUB WOOFER D DIGITAL BOARD (4/5) CNP506 (Page 21) No mark:FM STR-K790 29 29
Service Manual
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... control signal output 67 FRONT_B_RY/DG51_FA O Front B speaker control signal output 68 DC-CONTROL O Center speaker relay control signal output 69 C/REAR/SB_RY O Center, rear, surround back speaker control signal output 70 SW_RY O Sub woofer control signal output 71 NC O Not used (Open) 72 BRIDGABLE_RY O Bridgeable relay control output (not used... output (not used ) 92 BST_SEL O BST signal output terminal 93 XMODE O Reset signal output to DIR 94 CKSEL 1 O CKSEL control signal output to DIR 40 STR-K790 Pin No. Connection for a crystal resonator 84 VCC3 -
... control signal output 67 FRONT_B_RY/DG51_FA O Front B speaker control signal output 68 DC-CONTROL O Center speaker relay control signal output 69 C/REAR/SB_RY O Center, rear, surround back speaker control signal output 70 SW_RY O Sub woofer control signal output 71 NC O Not used (Open) 72 BRIDGABLE_RY O Bridgeable relay control output (not used... output (not used ) 92 BST_SEL O BST signal output terminal 93 XMODE O Reset signal output to DIR 94 CKSEL 1 O CKSEL control signal output to DIR 40 STR-K790 Pin No. Connection for a crystal resonator 84 VCC3 -
Service Manual
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... F 1/4W 1/4W F 1/4W 1/4W 1/4W 1/4W 1/4W TM600 1-694-805-11 TERMINAL BOARD (FRONT,CENTER/SPEAKERS IMPEDANCE 6-16Ω) TM602 1-694-805-11 TERMINAL BOARD (SURROUND,SUB WOOFER/ SPEAKERS IMPEDANCE 6-16Ω) TM604 1-694-805-11 TERMINAL BOARD POWER BOARD < CONNECTOR > 1/4W F 1/4W 1/4W 1/4W F 1/4W F 1/4W 1/4W 1/4W F 1/4W F 1/4W... (A.F.D.) 1-771-410-21 SWITCH, TACTILE (MOVIE) 1/4W 1/4W 1/4W 1/4W S119 1-771-410-21 SWITCH, TACTILE (MUSIC) S152 1-771-410-21 SWITCH, TACTILE (?/1 53 No. STR-K790 MAIN POWER Ref.
... F 1/4W 1/4W F 1/4W 1/4W 1/4W 1/4W 1/4W TM600 1-694-805-11 TERMINAL BOARD (FRONT,CENTER/SPEAKERS IMPEDANCE 6-16Ω) TM602 1-694-805-11 TERMINAL BOARD (SURROUND,SUB WOOFER/ SPEAKERS IMPEDANCE 6-16Ω) TM604 1-694-805-11 TERMINAL BOARD POWER BOARD < CONNECTOR > 1/4W F 1/4W 1/4W 1/4W F 1/4W F 1/4W 1/4W 1/4W F 1/4W F 1/4W... (A.F.D.) 1-771-410-21 SWITCH, TACTILE (MOVIE) 1/4W 1/4W 1/4W 1/4W S119 1-771-410-21 SWITCH, TACTILE (MUSIC) S152 1-771-410-21 SWITCH, TACTILE (?/1 53 No. STR-K790 MAIN POWER Ref.