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Sony service manual STR-DE845/DE945, Page TO VIDEO BOARD TO JOINT 1 H BOARD

Models: STR-DE845

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STR-DE845/DE945

4-10. PRINTED WIRING BOARDS – VIDEO/JOINT (1) (H) Boards (DE845) – • See page 14 for Circuit Boards Location.

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Sony service manual STR-DE845/DE945, Page TO VIDEO BOARD TO JOINT 1 H BOARD

Contents

SPECIFICATIONS SERVICE MANUALSTR-DE845/DE945 E Model Australian Model Chinese Model PX ModelNotes on chip component replacement Flexible Circuit Board RepairingTABLE OF CONTENTS 4.DIAGRAMSSAFETY CHECK-OUT DISASSEMBLYSECTION GENERAL 1 2 3wd wa ql qjqkqj qh qg qfqd qs qa qSECTION DISASSEMBLY CASE5.1 IN BOARD, AU SW BOARD, TUNER 1 wire flat type 15 core 2 connectorCN1 CNP10VIDEO/OSD/JOINT 1 H/OSD JOINT H S-VIDEO/DIGITALBOARDHEAT SINK 1 wire flat type 21 core CN55 4 DIGITAL boardVOL BOARD, MAIN BOARD 6 connector CNS305 7 three screws BVTP1 wire flat type 23 core CNS111 4 VOL board DE945Fluorescent Indicator Tube Test Mode SECTION 3 TEST MODEFactory Set Mode All Clear ModeMEMO STR-DE845/DE945 SECTION DIAGRAMS 4-1.BLOCK DIAGRAM – MAIN Section 1/2 –4-2.BLOCK DIAGRAM – MAIN Section 2/2 – STR-DE845/DE945STR-DE845/DE945 Note on Schematic Diagram Note on Printed Wiring BoardSP board DC 1 board POWER board DISPLAY board V. SWITCH board E/PX BIAS L board S-VIDEOboardSTR-DE845/DE945 Page PagePage PagePIN FUNCTION STR-DE845/DE945Page Page STR-DE845/DE945 Page 16Page PageSTR-DE845/DE945 • Semiconductor LocationPage Page Page STR-DE845/DE945• Semiconductor Location STR-DE845/DE945 Page TO VIDEO BOARD TO JOINT 1 H BOARDSTR-DE845/DE945 PagePage STR-DE845/DE945Semiconductor Location STR-DE845/DE945 Page PageSTR-DE845/DE945 •Semiconductor LocationSTR-DE845/DE945 Page Page PageSTR-DE845/DE945 STR-DE845/DE945 Page Page Page PageSTR-DE845/DE945 • Semiconductor LocationPage PageSTR-DE845/DE945 Page Page PagePage 35 PageRef. No STR-DE845/DE945• Semiconductor Location STR-DE845/DE945 Page Page PageSTR-DE845/DE945 Page Page Page Page Page Page Page Page Page4-23.SCHEMATIC DIAGRAM – MAIN Board 3/3 – STR-DE845/DE945Page Page Page Page Page Page Page Page Page Page Page PageSTR-DE845/DE945 Page Page Page Page Page PagePage Page PageSTR-DE845/DE945 Page Page Page PagePage Page Page Page PageSTR-DE845/DE945 Page Page Page PagePage PageSTR-DE845/DE945 PagePage PageTO DC BOARD Page Page TO DC 1 BOARD Page Page STR-DE845/DE945• Semiconductor Location 4-29.SCHEMATIC DIAGRAM – DC 1/DC 2 Boards – STR-DE845/DE945Page Page Page Page PageRef. No STR-DE845/DE945•Semiconductor Location 4-31.SCHEMATIC DIAGRAM - AC/SP Boards STR-DE845/DE945Page Page Page Page• IC Block Diagrams WaveformsDISPLAY Board – DIGITAL Board –IC301 TC9273N-004MAIN BoardIC303 TC9273N-014MAIN BoardIC1005 TC74ACT153AF EL DIGITAL Board IC1206NJM2103M-TE2DIGITAL Board IC1101IC1402 IDT71V016S15PH-AUTLDIGITAL Board IC1403 TC74VHC367FT EL DIGITAL BoardIC2002 BA7622 OSD Board DE945 IC1503 AK4527 DIGITAL Board4-32.IC PIN FUNCTION DESCRIPTION Pin NoPin Name DescriptionDOSEL0 SCLK SDATA DIG-INB • DIGITAL BOARD IC1401 CXD2712R AUDIO DSP CLKI • DIGITAL BOARD IC1503 AK4527 A/D, D/A CONVERTER “L” on RDS CLOCK SECTION EXPLODED VIEWS 1FRONT PANEL SECTION 13 12 122CHASSIS SECTION-1 52 #1 5655 #1 62 59 60 #13 CHASSIS SECTION-2 SECTION ELECTRICAL PARTS LIST 5.1 INAU SW BIAS C BIAS LBIAS LS BIAS RDIGITAL DIGITAL Ref. NoDIGITAL Ref. NoDISPLAY DIGITALDISPLAY Ref. NoDISPLAY Part NoH. P JOINT 1 HMAIN DISPLAYMAIN Ref. NoMAIN Ref. NoMAIN Part NoMAIN Part NoMUTING MAINRef. No POWER OSD JOINT HROTARY S-VIDEOVIDEO VIDEOS-VIDEO V. SWITCH STR-DE845/DE945 Sony Corporation9-929-208-11 Home Audio Division Company