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Sony service manual STR-DE845/DE945, Page

Models: STR-DE845

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STR-DE845/DE945

4-11. SCHEMATIC DIAGRAM – VIDEO/JOINT (1) (H) Boards (DE845) – • See page 42 for IC Block Diagram.

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Sony service manual STR-DE845/DE945, Page

Contents

SERVICE MANUAL SPECIFICATIONSSTR-DE845/DE945 E Model Australian Model Chinese Model PX ModelFlexible Circuit Board Repairing Notes on chip component replacement4.DIAGRAMS TABLE OF CONTENTSSAFETY CHECK-OUT DISASSEMBLY1 2 3 SECTION GENERALwd wa ql qjqs qa q qkqj qh qg qfqdCASE SECTION DISASSEMBLY5.1 IN BOARD, AU SW BOARD, TUNER 1 wire flat type 15 core 2 connectorCN1 CNP10S-VIDEO/DIGITALBOARD VIDEO/OSD/JOINT 1 H/OSD JOINT HHEAT SINK 1 wire flat type 21 core CN55 4 DIGITAL board6 connector CNS305 7 three screws BVTP VOL BOARD, MAIN BOARD1 wire flat type 23 core CNS111 4 VOL board DE945SECTION 3 TEST MODE Fluorescent Indicator Tube Test ModeFactory Set Mode All Clear ModeMEMO 4-1.BLOCK DIAGRAM – MAIN Section 1/2 – STR-DE845/DE945 SECTION DIAGRAMSSTR-DE845/DE945 4-2.BLOCK DIAGRAM – MAIN Section 2/2 –STR-DE845/DE945 Note on Printed Wiring Board Note on Schematic DiagramSP board DC 1 board POWER board DISPLAY board V. SWITCH board E/PX BIAS L board S-VIDEOboardPage Page STR-DE845/DE945Page PageSTR-DE845/DE945 Page PagePIN FUNCTION Page 16 STR-DE845/DE945Page Page• Semiconductor Location STR-DE845/DE945STR-DE845/DE945 • Semiconductor LocationPage Page Page Page TO VIDEO BOARD TO JOINT 1 H BOARD STR-DE845/DE945Page STR-DE845/DE945STR-DE845/DE945 Semiconductor LocationPage Page Page STR-DE845/DE945•Semiconductor Location STR-DE845/DE945Page Page Page STR-DE845/DE945STR-DE845/DE945 Page Page Page Page STR-DE845/DE945• Semiconductor Location STR-DE845/DE945Page PagePage Page Page STR-DE845/DE945Page 35 PageSTR-DE845/DE945 • Semiconductor LocationRef. No Page Page Page STR-DE845/DE945Page Page Page Page Page Page Page Page Page STR-DE845/DE945STR-DE845/DE945 4-23.SCHEMATIC DIAGRAM – MAIN Board 3/3 –Page Page Page Page Page Page Page Page Page Page Page PagePage Page Page Page Page Page STR-DE845/DE945Page Page PagePage Page Page Page STR-DE845/DE945Page Page Page Page PagePage Page Page Page STR-DE845/DE945Page PagePage STR-DE845/DE945Page PageSTR-DE845/DE945 Semiconductor LocationTO DC BOARD Page Page TO DC 1 BOARD Page Page STR-DE845/DE945 4-29.SCHEMATIC DIAGRAM – DC 1/DC 2 Boards –Page Page Page Page PageSTR-DE845/DE945 •Semiconductor LocationRef. No STR-DE845/DE945 4-31.SCHEMATIC DIAGRAM - AC/SP BoardsPage Page Page PageWaveforms • IC Block DiagramsDISPLAY Board DIGITAL BoardTC9273N-004MAIN Board IC301IC303 TC9273N-014MAIN BoardIC1206 IC1005 TC74ACT153AF EL DIGITAL BoardNJM2103M-TE2DIGITAL Board IC1101IC1403 TC74VHC367FT EL DIGITAL Board IC1402 IDT71V016S15PH-AUTLDIGITAL BoardIC2002 BA7622 OSD Board DE945 IC1503 AK4527 DIGITAL BoardPin No 4-32.IC PIN FUNCTION DESCRIPTIONPin 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 1FRONT PANEL SECTION 13 12 12 SECTION EXPLODED VIEWS52 #1 56 2CHASSIS SECTION-155 #1 62 59 60 #13 CHASSIS SECTION-2 5.1 IN SECTION ELECTRICAL PARTS LISTAU SW BIAS L BIAS CBIAS LS BIAS RDIGITAL Ref. No DIGITALRef. No DIGITALDIGITAL DISPLAYRef. No DISPLAYPart No DISPLAYJOINT 1 H H. PMAIN DISPLAYRef. No MAINRef. No MAINPart No MAINPart No MAINMAIN MUTINGRef. No OSD JOINT H POWERROTARY S-VIDEOVIDEO S-VIDEOVIDEO V. SWITCH Sony Corporation STR-DE845/DE9459-929-208-11 Home Audio Division Company