Sony STR-K790 Service Manual - Page 27
Schematic Diagram, Main Board 1/4
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4-14. SCHEMATIC DIAGRAM - MAIN BOARD (1/4) - • See page 36 for IC Block Diagram. STR-K790 DCAC B BOARD CN2001 (7pin to 9pin) (Page 34) J400 SAT AUDIO IN CNP733 3P J400 6P TV AUDIO IN SA-CD/CD AUDIO IN CC01 100P R401 1k CC51 100P CC02 100P CC52 100P CC03 100P CC53 100P CC04 100P CC54 100P R451 1k R402 1k R452 1k R403 1k R453 1k R404 1k R454 1k CNP501 15P STR-K790 F DIGITAL BOARD (3/5) CNS501 (Page 20) CNP502 11P G DIGITAL BOARD (5/5) CNS502 (Page 22) 20 MAIN BOARD (3/4) TP1 (Page 29) 0 0 0 0 0 0 0 0 0 0 C484 0.1 -7 0.9 0.9 C402 10 50V C452 10 50V 0 0 0 0 0 0 0 C421 C431 4.7 10 50V 50V C432 C422 10 50V 4.7 50V C424 4.7 50V 0 0 0 0 0 0 0 0 IC400 M61542FP ANALOG SOUND PROCESSOR IC B/D C434 10 0 50V 0 0 C433 0 10 50V 0 C423 4.7 50V 0 0 0 C425 4.7 0 50V 0 C435 10 50V C446 0 4.7 50V C436 0 10 50V 0 C426 4.7 50V R416 0 1k 7 3.5 0 0 0 C403 0.001 C404 0.001 R407 100 R406 100 JW301 C482 0.1 7 Q471 2SD2144S -TP-UVW +3.3V REG 3.5 C472 0.1 C590 0.33 R471 4.3 680 R473 2.2k C471 100 10V R591 2.2k C594 0.33 R593 62k R594 22k R472 1k R595 6.8k IC502 IC NJM4565D 0 7 0 0 0 0 -7 0 C592 0.68 R596 6.8k WOOFER AMP C593 0.033 R597 220k (Page 30) (Page 29) 27 27 (Page 28) CNP732 3P E DCAC BOARD CN2001 (4pin to 6pin) (Page 34) No mark:FM
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