Sony STR-DN840 Service Manual

Also see for STR-DN840: Limited warranty Quick setup guide Operating instructions Specifications Operating instructions

STR-DN840STR-DN84050505-35. PRINTED WIRING BOARD – HEADPHONE Board –• See page 18 for Circuit Boards Location. • : Uses unleaded solder.5-33. PRINTED WIRING BOARD – POWER KEY Board –• See page 18 for Circuit Boards Location. • : Uses unleaded solder.5-36. SCHEMATIC DIAGRAM – HEADPHONE Board –5-34. SCHEMATIC DIAGRAM – POWER KEY Board –1ABC2 3 4 5 6 7POWER KEY BOARD1834567OGLED_ONCN1038PAD1LED_STBYPOWER_BUTTONDGNDNC+3.3V_STBYLED_ON2.2kR17110kR17022kR1774.7kR172CL166CL165CL164CL162CL161CL160CL163Q1112PD601ART100R17547R176100kR17810kR173100kR179Q110LED DRIVERLED DRIVER2PD601ARTD110SML78423C-TP152.2kR174S114SPEAKERSLED (ON/STBY) S112TUNING –S111TUNING +S115"/1S113TUNINGMODELDISPLAYBOARDCN100(Page 43)1AB2 3 4 5HEADPHONE BOARD1345CL185CL186CL187CL188CN1075PHP_DETECTHP_RHP_GNDHP_LC1601000pC1621000pC1611000pJ101PHONESIMAINBOARD(2/4)CN391(Page 39)1ABCDEFG2 3 4 5 6 7 818 3CN103S111S112S113S114 S115G OD110R170CL161R174CL160CL163R171R173R177R172CL165CL164R175CL166R178CL162R179R176Q110 EQ111ESPEAKERSTUNING MODETUNING –TUNING +&/1MDISPLAYBOARDCN100(Page 42)POWER KEY BOARD1-887-712-21(21)1ABCDEFG2 3 4 5 6 7 8J1011 53CN107CL188C160CL186CL185C161CL187C162PHONESHEADPHONE BOARDKMAIN BOARDCN391(Page 36)1-887-714-21(21)