Sony STR-DB1070 Service Manual - Page 35
Schematic Diagram – H.p/muting/power/sp/video 3 Boards –, - remote control
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5-22. SCHEMATIC DIAGRAM - H.P/MUTING/POWER/SP/VIDEO 3 Boards - STR-DB870/DB1070 (Page 27) (Page 28) CN502 11P FSP,RY- RY+ GND SW PRE,RYSL SR L R C SB CN403 4P L GND GND R R834 10 RY802 -1 -2 C503 22 50V C553 22 50V C403 22 50V C453 22 50V C603 22 50V C653 22 50V R821 10 (AEP,UK,E,CH) C481 470p R481 10 R431 C431 10 470p TM502 FRONT SPEAKERS IMPEDANCE R L USE 4-6Ω RY808 -1 -2 -1 -2 RY809 -1 -2 RY810 R433 1k R483 1k R533 1k R583 1k R633 1k R683 1k R733 1k (CHASSIS) C471 100p 50V C421 100p 50V C436 100p R1704 1k REMOTE CONTROL RECEIVER IC1701 NJL63H400A S1703 DISPLAY S1702 DIMMER S1704 VCC GND OUT C1701 47 16V S1701 SPEAKERS OFF ON R1703 22k R1701 100 R1702 10 CN1701 11P (Page 33) J402 4P L FRONT R L SURROUND R J403 1P (DB870) CENTER J401 4P (DB1070) PRE OUT L SURROUND BACK R SUB WOOFER J701 2P SUB WOOFER (DB870) CN1801 8P RV1801 ROTARY ENCODER FUNCTION (Page 33) R1803 220 D1801 SEL5821A AUDIO SPLIT R1801 1k R1802 2.2k S1801 INPUT MODE S1802 AUDIO SPLIT S1803 MUTING 1 2 J749 3 4 PHONES 5 6 7 (CHASSIS) EB749 CN749 5P HP-CONT H.P GND H.P R GND H.P L (Page 28) 35 35 J299 S-VIDEO (CHASSIS) EB299 Y C C294 2200p VIDEO 3 INPUT J298 3P VIDEO L AUDIO R C293 2200p R298 1k R299 1k CN299 7P VIDEO3(C) VIDEO3(Y) VIDEO3 GND L GND R (Page 25) (Page 25) VIDEO AU The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Les composants identifiés par une marque 0 sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.