Service Manual
Page 8
... MODE Press to the entire disc (e.g. Then, use V, v, B, b and to scan a station. Press to perform menu operations. disc protection), recorder (e.g. Press MUTING and TV (O) at the same time to select 2CH STEREO mode. STR-K790 Name Function D 2CH Press to activate the buttons with components in the forward/backward direction of the DVD...
... MODE Press to the entire disc (e.g. Then, use V, v, B, b and to scan a station. Press to perform menu operations. disc protection), recorder (e.g. Press MUTING and TV (O) at the same time to select 2CH STEREO mode. STR-K790 Name Function D 2CH Press to activate the buttons with components in the forward/backward direction of the DVD...
Service Manual
Page 15
DISPLAY/POWER SECTION - BLOCK DIAGRAM - 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 LIMITER Q503 BOOSTER -V ... 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 TUNER +10V RELAY +B AUDIO +7V AUDIO +5V AUDIO -7V Q851,852 -B SWITCH D811 Q801 -20V REG IC1902 3 +10V REG 1 IC821...
DISPLAY/POWER SECTION - BLOCK DIAGRAM - 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 LIMITER Q503 BOOSTER -V ... 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 TUNER +10V RELAY +B AUDIO +7V AUDIO +5V AUDIO -7V Q851,852 -B SWITCH D811 Q801 -20V REG IC1902 3 +10V REG 1 IC821...
Service Manual
Page 29
...6.3 Q852 DTA124ESA-TP 6.3 D851 ISS133T-72 C816 10 100V R854 33k -5.5 R853 10k C851 0.1 R855 220k -5.5 -3.6 -5.5 7 JW607 PROTECT DET Q851 2SC1815 GR-TPE2 -37 -36.4 -37 R858 470 D852 JW IC850 NJM4565D R857 10k R856 470k R851 10k -5.5 1.2 -7...37 Q703,Q704,Q753,Q754 BOOSTER D751 1SS133T-72 R718 22k R719 22k 4.1 Q707 2SC1815 GR-TPE2 AF POWER PROTECT D729 1SS133T-72 R740 100k (Page 28) RY701 RELAY 12V R724 82 D703 1SS133T-72 0.2 Q708 2SC1740S-QRT... IMPEDANCE USE 6-16 SUB WOOFER D DIGITAL BOARD (4/5) CNP506 (Page 21) No mark:FM STR-K790 29 29 MAIN BOARD (3/4) -
...6.3 Q852 DTA124ESA-TP 6.3 D851 ISS133T-72 C816 10 100V R854 33k -5.5 R853 10k C851 0.1 R855 220k -5.5 -3.6 -5.5 7 JW607 PROTECT DET Q851 2SC1815 GR-TPE2 -37 -36.4 -37 R858 470 D852 JW IC850 NJM4565D R857 10k R856 470k R851 10k -5.5 1.2 -7...37 Q703,Q704,Q753,Q754 BOOSTER D751 1SS133T-72 R718 22k R719 22k 4.1 Q707 2SC1815 GR-TPE2 AF POWER PROTECT D729 1SS133T-72 R740 100k (Page 28) RY701 RELAY 12V R724 82 D703 1SS133T-72 0.2 Q708 2SC1740S-QRT... IMPEDANCE USE 6-16 SUB WOOFER D DIGITAL BOARD (4/5) CNP506 (Page 21) No mark:FM STR-K790 29 29 MAIN BOARD (3/4) -
Service Manual
Page 30
... D602 0.01 1SS133T-72 R616 3.3k R617 15k C615 10 50V R618 22k R619 22k 4.1 0 Q607 2SC1815 GR-TPE2 AF POWER PROTECT R609 100 C612 -1 47p 500V C662 47p 500V -1.1 R659 100 0 Q604 MP1620 -OPY-MK -37 -37 Q654 MP1620 -OPY... R666 3.3k R667 15k C665 10 50V R665 C664 D652 0 22k 0.01 1SS133T-72 Q657 2SC1815 GR-TPE2 AF POWER PROTECT 4.1 R669 22k R668 22k R518 22k (Page 29) RY551 RELAY 12V R574 82 D553 1SS133T-72 0.1 Q608 2SC1740S-QRT ...0.01 CC13 0.01 TM602 FRONT SPEAKERS IMPEDANCE USE 6-16 CENTER No mark:FM STR-K790 30 30 SCHEMATIC DIAGRAM - STR-K790 Ver. 1.1 4-17.
... D602 0.01 1SS133T-72 R616 3.3k R617 15k C615 10 50V R618 22k R619 22k 4.1 0 Q607 2SC1815 GR-TPE2 AF POWER PROTECT R609 100 C612 -1 47p 500V C662 47p 500V -1.1 R659 100 0 Q604 MP1620 -OPY-MK -37 -37 Q654 MP1620 -OPY... R666 3.3k R667 15k C665 10 50V R665 C664 D652 0 22k 0.01 1SS133T-72 Q657 2SC1815 GR-TPE2 AF POWER PROTECT 4.1 R669 22k R668 22k R518 22k (Page 29) RY551 RELAY 12V R574 82 D553 1SS133T-72 0.1 Q608 2SC1740S-QRT ...0.01 CC13 0.01 TM602 FRONT SPEAKERS IMPEDANCE USE 6-16 CENTER No mark:FM STR-K790 30 30 SCHEMATIC DIAGRAM - STR-K790 Ver. 1.1 4-17.