Sony STR-K1600 Service Manual - Page 24

STR-K1600 Ver. 1.1 5-9. SCHEMATIC DIAGRAM - MAIN SECTION (2/2) - • Refer to page 41 for IC Block Diagrams. 1 2 3 4 5 6 7 8 9 10 11 MAIN BOARD (2/2) A IC B/D IC701 PRE DRIVER IC701 µPC2581V-S MUTE +VOUT1 -VOUT1 COMP1 NF1 IN1 GND IN2 NF2 COMP2 -VOUT2 +VOUT2 VCC VCC VEE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 C744 2.2 100V 2.9 1.1 -1.1 -45.3 0 0 0 0 -45.5 -1.1 1.1 46.9 46.9 -46.7 B R744 22k 2% C755 C756 C706 C705 33p 500V 100p 100p 33p 500V C704 3p 500V C701 R701 C707 4.7 50V 1k 100p R702 68k C754 3p 500V R704 68k 2% C751 R751 C757 4.7 50V 1k 100p R752 68k R754 68k 2% R753 R703 2.2k 2.2k C 2% C753 2% C703 IC B/D IC601 100 10V 100 10V PRE DRIVER IC601 µPC2581V-S MUTE +VOUT1 -VOUT1 COMP1 NF1 IN1 GND IN2 NF2 COMP2 -VOUT2 +VOUT2 VCC VCC VEE D A1 A3 A4 A5 A6 A7 A8 E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2.9 1.1 -1.1 -45.3 0 0 0 0 -45.5 -1.1 1.1 46.9 46.9 -46.7 R743 22k 2% C605 C606 33p 500V 100p C656 100p C655 33p 500V C743 2.2 100V C651 R651 C657 4.7 50V 1k 100p C601 R601 C607 4.7 50V 1k 100p R652 68k R602 68k IC B/D IC501 PRE DRIVER C604 3p 500V R604 68k 2% R603 2.2k 2% C603 100 10V C654 3p 500V R654 68k 2% R653 2.2k 2% C653 100 10V IC501 µPC2581V-S MUTE +VOUT1 -VOUT1 COMP1 NF1 IN1 GND IN2 NF2 COMP2 -VOUT2 +VOUT2 VCC VCC VEE F A9 G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2.9 1.1 -1.1 -45.3 0 0 0 0 -45.5 -1.1 1.1 46.9 46.9 -46.7 R741 22k 2% C561 R561 C567 4.7 50V 1k 100p C501 R501 C507 4.7 50V 1k 100p C741 2.2 100V R502 R562 68k 68k R733 1 C565 C566 33p 500V 100p C506 100p C505 33p 500V C554 3p 500V R554 68k 2% R553 2.2k 2% C553 100 10V C504 3p 500V R505 68k 2% R503 2.2k 2% C503 100 10V C733 10 100V C732 10 100V H 1 MAIN BOARD (1/2) (Page 23) I A10 A11 J A12 A13 K A15 A16 A17 R691 100 2W R692 330 2W D691 1SS355WTE-17 6.5 Q692 DTA124ESA-TP B- SWITCH -5.6 6.4 D690 UDZSTE-1730B IC691 IC691 NJM4565M(TE2) OVERLOAD DETECT AMP 7 VCC -5.6 -4.5 -5.6 -+ +- R696 47k R695 10k C691 0.1 R690 220k 8 7 6 5 -5.6 1.2 -7 VEE -47.2 -47.4 R698 10k -46.7 Q691 2SC1815GR-TPE2 B- SWITCH R699 470k 1 2 3 4 R693 10k R694 10k D802 D5SBA20-4003 RECT C803 6800 71V C804 6800 71V C805 0.22 100V C806 0.22 100V WP102 WP101 R732 1 Q501-504,533,534,571,572, Q601-604,651-654,701-704,751-754 POWER AMP R710 1.1 2.2k C717 R714 33 47p 500V R711 82k R716 0.22X2 5W 0.5 1.1 B 47 C 0 E 3 2 1 Q701 2SA1115TP-EF Q702 2SC3623ATP-LK C710 47 25V -0.6 R713 560 -1.1 R715 33 -1.1 C660 47 25V C716 47p 500V C669 47p 500V R665 33 R663 560 -0.6 0 E -47.4 C -1.1 B -1.1 B C -47.4 E 0 3 2 1 1 2 3 Q651 2SA1115TP-EF Q652 2SC3623ATP-LK 0.5 R660 2.2k R661 R666 0.22X2 5W 82k 1.1 R610 2.2k 1.1 0.5 R664 33 R614 33 C666 47p 500V C621 47p 500V R611 82k R616 0.22X2 5W 0 E 47 C 1.1 B 1.1 B 47 C 0 E 3 2 1 1 2 3 Q601 2SA1115TP-EF Q602 2SC3623ATP-LK C610 47 25V -0.6 R613 560 -1.1 R615 33 C620 47p 500V C767 47p 500V -1.1 C760 47 25V R763 560 R765 33 0 E -47.4 C -1.1 B -1.1 B C -47.4 E 0 3 2 1 1 2 3 Q751 2SA1115TP-EF Q752 2SC3623ATP-LK -0.6 0.5 R760 2.2k 1.1 R510 1.1 2.2k R766 0.22X2 5W R761 82k R764 33 C766 47p 500V C517 47p 500V R511 82k R514 33 R516 0.22X2 5W 0.5 0 E 47 C 1.1 B 1.1 B 47 C 0 E 3 2 1 1 2 3 Q501 2SA1115TP-EF Q502 2SC3623ATP-LK C510 47 25V -0.6 R513 560 0 -1.1 R515 3 E 33 -47.4 2 C C516 47p 500V -1.1 B 1 R570 2.2k 1.1 2% C577 47p 500V R571 82k R574 33 R526 0.22X2 5W 0.5 1.1 B 47 C 0 E 3 2 1 Q571 2SA1115TP-EF Q572 2SC3623ATP-LK C570 47 25V -0.6 R576 560 R575 33 -1.1 C576 47p 500V 0 E C -47.4 B -1.1 1 2 3 Q534 MP1620-OPY-MK Q533 MN2488-OPY-MK Q504 MP1620-OPY-MK Q503 MN2488-OPY-MK Q753 MN2488-OPY-MK Q754 MP1620-OPY-MK Q604 MP1620-OPY-MK Q603 MN2488-OPY-MK Q653 MN2488-OPY-MK Q654 MP1620-OPY-MK Q704 MP1620-OPY-MK Q703 MN2488-OPY-MK Q505,506,535,536,605,606, Q655,656,705,706,755,756 CURRENT DETECT R719 4.7k 2% C720 220p 0 R721 6.2k R722 1.5k JL001 0 Q705 2SA1163L-TE85L 0 R724 15k D705 1SS355WTE-17 0 0 Q706 2SA1163L-TE85L R725 68k C711 0.022 -36.8 R717 10 R723 47k R740 22k R748 15k Q540,580,640,680,740,750 OVERLOAD DETECT 6.5 R745 4.7k Q740 2SC3052EF-T1-LEF 0 C742 D740 0.01 1SS355WTE-17 R747 15k C740 10 50V R746 47k R739 100k R729 C729 10k 0.01 L701 R718 4.7 D729 1SS355WTE-17 R638 68k Q655 -36.8 2SA1163L-TE85L 0 R671 6.2k Q656 R672 1.5k 2SA1163L-TE85L 0 R669 4.7k 2% C670 220p R620 4.7k 2% C619 220p Q605 0 2SA1163L-TE85L R621 6.2k R622 1.5k R667 10 C661 0.022 0 R674 15k 0 0 0 0 R673 47k R640 22k R648 15k D665 1SS355WTE-17 6.5 R675 4.7k Q640 2SC3052EF-T1-LEF 0 C642 D640 0.01 1SS355WTE-17 R676 47k R677 15k C640 10 50V R668 4.7 L651 R680 22k R624 R681 15k 15k R623 47k 6.5 Q680 2SC3052EF-T1-LEF 0 R655 4.7k R656 47k C681 0.01 D680 1SS355WTE-17 R657 15k C680 10 50V D605 1SS355WTE-17 L601 0 0 Q606 2SA1163L-TE85L -36.8 R625 68k C611 0.022 R617 10 R618 4.7 R775 68k Q755 2SA1163L-TE85L -36.8 0 0 R771 6.2k Q756 R772 1.5k 2SA1163L-TE85L 0 R769 4.7k 2% C770 220p R778 15k 0 C761 0.022 R767 10 0 L751 R768 4.7 R750 22k C752 0.01 6.5 Q750 2SC3052EF-T1-LEF 0 D750 1SS355WTE-17 R755 4.7k R756 47k R758 15k R757 15k C750 10 50V D765 1SS355WTE-17 R773 47k R749 C749 10k 0.01 R759 100k D749 1SS355WTE-17 R520 4.7k 2% C519 220p 0 Q505 2SA1163L-TE85L R521 6.2k R522 1.5k 0 R517 10 C511 0.022 0 R573 47k R518 4.7 L501 R540 C541 22k 0.01 6.5 Q540 2SC3052EF-T1-LEF 0 R546 15k D540 R557 1SS355WTE-17 15k C540 10 50V R555 4.7k R556 47k 0 0 Q506 2SA1163L-TE85L R524 D505 15k 1SS355WTE-17 R525 -36.8 68k R529 C529 10k 0.01 R539 100k D529 1SS355WTE-17 R530 4.7k 2% C539 220p 0 Q535 2SA1163L-TE85L R531 6.2k R523 47k 0 R537 10 C531 0.022 0 R572 1.5k R580 22k R568 4.7 6.5 L551 Q580 2SC3052EF-T1-LEF 0 R588 15k C581 0.01 D580 1SS355WTE-17 R587 15k C580 10 50V R534 15k 0 D585 1SS355WTE-17 0 Q536 2SA1163L-TE85L -36.8 R535 68k R585 4.7k R586 47k 12 13 14 15 16 R792 680 1W RY791 R794 680 1W 55 R793 82 D791 1SS355WTE-17 0.2 R791 Q790 0.8 2.2k 62 2SC3052EF-T1-LEF RELAY DRIVER RY701 CN792 4P 1 3 4 5 HP_DETECT R-CH GND L-CH R734 82 D710 1SS355WTE-17 Q710 2SC3052EF-T1-LEF RELAY DRIVER 0.2 R731 0.7 2.2k 66 RY601 AUS MODEL CC11 0.01 RR11 10 CC13 0.01 RR13 10 TB001 8P R(+) R(-) SR(+) SR(-) L(+) L(-) SL(+) SL(-) BLK RED BLK RED C790 0.1 HEADPHONE BOARD HP_DETECT NC R-CH GND L-CH CNP790 5P CL071 1 2 CL072 3 CL073 4 CL074 5 J790 PHONES C791 TP790 1 0.1 LEAD TO CHASSIS AUS MODEL CC12 0.01 RR12 10 CC10 0.01 RR14 10 TB001 SPEAKERS IMPEDANCE USE 6-16Ω + FRONT + SURROUND - R634 82 D610 1SS355WTE-17 Q610 2SC3052EF-T1-LEF RELAY DRIVER 0.2 R631 0.7 1k 68 AUS MODEL CC15 0.01 RR15 10 CC16 0.01 RR16 10 R840 6.8k C842 47 25V R844 R843 22k 0 D841 UDZSTE-173.0B RY610 R635 82 D611 1SS355WTE-17 0.2 Q612 2SC3052EF-T1-LEF RELAY DRIVER 0.7 68 R633 1k Q795 2SA1163L-TE85L -40 Q793 2SC3052EF-T1-LEF 3.3 0 R790 100k 0 C791 220 10V R770 100k C721 220 10V 0 Q723 0 2SC3052EF-T1-LEF 61 -40 Q725 2SA1163L-TE85L 3.3 R780 D732 10k 1SS355WTE-17 D733 1SS355WTE-17 D722 1SS355WTE-17 R735 Q722 6.8k 2SC3052EF-T1-LEF -40.7 D721 R736 R737 1SS355WTE-17 1k 39k C722 10 50V 3.2 -46.5 TM603 4P 1 + 2 - 5 3 + 4 - AUS MODEL CC17 RR17 0.01 10 CC18 RR18 0.01 10 TM603 SPEAKERS IMPEDANCE USE 6-16Ω + CENTER - + SURROUND - BACK Q722,723,725,793,795 PROTECTOR JW786 JW788 JW783 JW785 CNP801 5P 5 R1 (SIDE1) 4 R2 (SIDE2) 3 GND 2 R2 (SIDE2) 1 R1 (SIDE1) CNP913 61 8P 1 PROTECTOR 66 3 FRONT A_RY 68 4 SB/CTR/REAR_RY 55 5 HP CTRL 62 6 HP RY 7 SW_RY 8 FRONT B_RY 9 BRIDGEABLE_RY T901 J POWER TRANSFORMER (MAIN) (Page 39) DIGITAL C BOARD (4/4) CNP503 (Page 30) STR-K1600 24 24