Sony STR-K790 Service Manual - Page 25

4-12. PRINTED WIRING BOARD - MAIN BOARD - • See page 13 for Circuit Boards Location. :Uses unleaded solder. 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 5 6 7 8 9 10 11 12 13 14 15 SA-CD/CD AUDIO IN J400 TV AUDIO IN SAT AUDIO IN MAIN BOARD AEP,UK 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 CENTER FRONT R L JW830 JWH19 JW845 TM602 JW844 RR13 CC13 CC12 RR12 JW831 CC11 RR11 AEP,UK JW826 JW827 JW456 JW460 JW828 JW825 JW824 CC51 R451 CC01 R401 R725 R724 D703 R403 R452 CC52 R402 CC02 R404 CC04 R453 CC53 CC03 JW852 JW505 CNP501 AEP,UK AEP,UK AEP,UK Q708 E JW838 RY551 JWH04 JW832 C803 RY601 JW854JWH16 R624 D603 JW822 JW350 JW803 15 JW804 JW451 JW806 JW425 C421 C823 C824 IC821 JW839 1 3 C821 D821 C422 JW913 3 1 JW498 JW501 JW821 JW823 JW606 C814 C813 JW926 D805 D807 D806 C811 JW835 JW834 JW833 D811 C812 CNP907 JW529 JW530 CNP732 C822 JW807 JW409 C484 JW436 1 56 C431 C432 C434 14 43 C433 15 42 C424 JW437 C594 JW435 JW856 JW617 JW622 IC822 JW616 C501 C507 C502 C551 C552 C602 R602 C652 R652 C557 C601 C651 C657 R552 R502 C423 R595 JW808 JW809 JW842 R603 C603 R601JW650 R651 C653 R653 C654 C607 C472 JW440 IC400 28 29 R591 1 R593 4 C593 JW550 JW527 R854 JW843 JW412 JW841 JW439 R406 C554 1 R594 R597 C435 C425 C446 IC502 C504 R503 C503 R501 R551 C553 R553 C604 R855 JW528 C426 R852 JWH12 C851 C404 C471 C482 Q471 R472 C436 8 5 JW309 R596 JW301 15 14 IC501 1 2 15 14 R500 IC601 1 2 R853 5 8 E Q852 IC850 R416 Z2JW537 C757 JW535 JW318 R473 C403 C600 C701 R407 R765 C590 C592 C500 4 1 C707 R851 JW471 C656 R654 R604 JW600 C606 C556 R554 R504 C529 R529 C506 R600 JW628 JW707 JW706 JW317 C751 R449 R766 D449 R752 C752 R471 R701 C702 R703 R702 11 R840 R843 15 D729 14 C729 R740 D841 1 R844 R729 JW840 R718 C842 Q707 C714 E R719 Q701 R721 E JW496 R715 D701 C708 C716 R722 Q706 R720 JW422 JW754 JW441 JW480 JW619 JW453 JW455 C704 R704 C703 C753 R754 C756 JW750 D448 R753 R751 JW753 IC701 1 2 JW700 C700 C706 C754 JW751 JW752 JWH22 E R714 R710 Q751 E R713 Q705 C758 E R772 R770 R539 R700 JW452 Q756 JWH09 JW320 JW701 JW490 D529 JW500 C815 JW492 C816 JW735 JW630 JW618 JW621 R816 JWH10 C549 JWH11D549 R815 R549 JW469 JW468 R619 R620 R622 JW615 JW608 R618 R550 R519 R520 JW636 JW637 C514 JW703 JW705 D502 R517 R518 C766 JWH21 E R760 R771 D751 R764 R763 Q501 R515 R516 Q507 R521 C516 E JWH18 Q755 E C508 JWH20 C515 E R522 D501 Q506 E R510 R511 C513 R512 R621 E E E R514 R513 Q505 JW507 C608 Q601 Q607 C616 Q606 E R610 JW504 R616 R615 C614 R617 R614 D602 D601 R613 C558 JW582 JW581 JW578 R570 R572 R565 C564 R567 D552 R569 D851 JW613 JW611 JW610 JW755 R857 JW820 JW837 R625 JW818 R574 D553 Q608 E TP2 JW570 JW813 Q882 JW520 JW819 CNP504 JW815 JWH06 JWH08 JWH07 R882 Q881 R884 D882 JW607 JW612 Q851 E E C881 R881 JW525 R885 R856E R858 C882 Q883 E R883 D884 D881 JW717 JW716 D883 R568 R672 JW757 R667 R566 Q557 R668 C565 C615 Q605 E JW569 JW445 E R669 R571 JW540 JW605 E C566 JW817 Q551 E R560 JW816 JW620 JW720 JW722 JWH05 JW584 Q556 Q657 D652 R531 JW704 R532 C665 E JW438 C664 R670 JW559 R563 D551 R564 R671 C666 R666 C658 C661 E Q651 R561 C563 JWB02 E Q555 JW780 JW781 R665 JW558 JW715 Q656 D651 R664 R663 Q655 JW855 JWH02 R803 JW711 R479 R791 JW712 JWH01 JW927 D804 C802 C801 1 CNP916 JW814 JW760 Q509 R793 JW846 JW847 E D791 E RY502 R804 Q801 E D802 C808 D801 R806 7 C806 C807 1 JW848 CNP908 R910 CNP902 3 1 5 JW836 CN701 4 1 E R660 R717 R716 D702 R709 R712 C713 C715 R708 C711 R707 R705 R706 C712 C761 R757 R755 R756 C762 R759 R762 C763 R761 R508 C511 R507 R505 R506 C512 R509 R608 C611 JWB01 R607 R605 R606 C612 C561 R555 R557 R556 C562 R559 R562 R658 R655 R656 JW601C662 R657 R659 JW602 R662 C663 R661 R609 R612 C613 R611 R558 R711 R758 E E E E E E E E E E E E Q703 Q702 E Q704 Q753 Q752 E Q754 Q503 Q502 E Q504 Q603 Q602 E Q604 Q553 Q552 E Q554 Q653 Q652 E Q654 CNP502 16 POWER N TRANSFORMER T901 (Page 26) STANDBY O BOARD CNP906 (Page 26) POWER M TRANSFORMER T901 (Page 26) DISPLAY I BOARD CN104 (Page 31) HEADPHONE J BOARD CNP790 (Page 33) DIGITAL D BOARD CNP506 (Page 17) • Semiconductor Location Ref. No. Location Ref. No. D448 D449 D501 D502 D529 D549 D551 D552 D553 D601 D602 D603 D651 D652 D701 D702 F-5 F-5 G-8 G-6 F-6 F-8 G-12 G-10 D-10 G-10 G-10 D-8 G-14 F-12 G-3 G-2 D703 D729 D751 D791 D801 D802 D804 D805 D806 D807 D811 D821 D841 D851 D881 D882 Location C-7 F-3 G-6 F-13 E-14 F-14 D-15 D-15 D-15 D-15 D-14 D-6 F-3 E-10 F-12 E-12 Ref. No. Location D883 D884 F-12 F-12 IC400 D-4 IC501 E-6 IC502 E-5 IC601 E-8 IC701 F-4 IC821 C-6 IC822 D-6 IC850 E-9 Q471 E-3 Q501 G-6 Q502 H-8 Q503 H-7 Ref. No. Q504 Q505 Q506 Q507 Q509 Q551 Q552 Q553 Q554 Q555 Q556 Q557 Q601 Q602 Q603 Q604 Location H-8 G-8 G-8 G-7 E-13 G-11 H-11 H-11 H-11 G-12 G-12 G-11 G-9 H-9 H-9 H-10 Ref. No. Q605 Q606 Q607 Q608 Q651 Q652 Q653 Q654 Q655 Q656 Q657 Q701 Q702 Q703 Q704 Q705 Location G-10 G-9 G-9 D-10 G-13 H-13 H-12 H-13 G-14 G-13 G-12 G-3 H-4 H-4 H-4 G-5 Ref. 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