Sony str nx 5 md service manual

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2 TABLE OF CONTENTS 1. GENERAL .......................................................................... 3 2. DISASSEMBLY 2-1. Case ....................................................................................... 5 2-2. Front Panel Assy ................................................................... 5 2-3. Back Panel Assy .................................................................... 6 2-4. Main Board ........................................................................... 6 3. TEST MODE ........................................................................ 7 4. DIAGRAMS 4-1. Notes for Printed Wiring Boards and Schematic Diagrams .. 9 4-2. Schematic Diagram -“ Main Board (1/3) -“.......................... 10 4-3. Schematic Diagram -“ Main Board (2/3) -“.......................... 11 4-4. Schematic Diagram -“ Main Board (3/3) -“.......................... 12 4-5. Printed Wiring Board -“ Main Board -“................................ 13 4-6. Printed Wiring Board -“ PA Board -“.................................... 14 4-7. Schematic Diagram -“ PA Board -“...................................... 15 4-8. Printed Wiring Board -“ Panel Section -“............................. 16 4-9. Schematic Diagram -“ Panel Section -“................................ 17 4-10. Printed Wiring Board -“ Transformer Section -“................. 18 4-11. Schematic Diagram -“ Transformer Section -“................... 19 4-12. IC Pin Function Description ............................................. 20 5. EXPLODED VIEW 5-1. General Section ................................................................... 22 5-2. Front Panel Section ............................................................. 23 5-3. Chassis Section ................................................................... 24 6. ELECTRICAL PARTS LIST ........................................ 25 SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. MODEL PART No. AEP, UK, G, AED and CIS models 4-221-391-8[] Malaysia and Singapore models 4-221-391-9[] - MODEL IDENTIFICATION -“ Rear Panel -“ PART No. - Abbreviation G : German model AED : North European model

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3 SECTION 1 GENERAL - LOCATION OF CONTROLS -“ Front Panel -“ -“ Rear Panel -“1?/1 (Power) button and indicator 2CD/TUNER NAME button 3DISPLAY button 4TIMER indicator (AEP, UK, German, AED and CIS models) 5VIDEO button 6TAPE button 7MD button 8CD button 9TUNER button q;Display window qaTUNER BAND button qsSTEREO/MONO button qdTUNER MEMORY button qfDBFB button qgSURROUND button qhGROOVE button and indicator qjVOLUME knob qkPLAY MODE button qlREPEAT/PTY button w;+ M button waENTER button and indicator wsRemote sensor wdPHONES jack wfJog dial wg-“ m button whPOWER SAVE/DEMO (STANDBY) button wjFILE SELECT button 1SYSTEM CONTROL terminals 2AM ANTENNA terminals 3FM ANTENNA terminal 4VOLTAGE SELECTOR switch (Malaysia and Singapore models) 5REAR SPEAKER terminals 6CENTER SPEAKER terminals 7SUPER WOOFER OUT jack 8MD OUT jacks 9MD IN jacks q;VIDEO (AUDIO) jacks 9 8 0 1 2 3 4 6 5 7 1 2 wh wf wg 4 qs 5 6 7 8 9 0 3 qa qd qh qj qk ql ws wd w;wa qf qg Photo: AEP model - Abbreviation AED : North European model