STR NX5MD MiniDisc

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MODEL IDENTIFICATION TABLE OF CONTENTS,Rear Panel,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. MODEL PART No,4 8 Printed Wiring Board Panel Section 16. AEP UK G AED and CIS models 4 221 391 8,4 9 Schematic Diagram Panel Section 17. Malaysia and Singapore models 4 221 391 9 4 10 Printed Wiring Board Transformer Section 18. Abbreviation 4 11 Schematic Diagram Transformer Section 19. G German model 4 12 IC Pin Function Description 20. AED North European model,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. LOCATION OF CONTROLS,Front Panel,5 6 7 8 90 1 1 Power button and indicator.
2 CD TUNER NAME button,3 DISPLAY button,4 4 TIMER indicator. 3 qd AEP UK German AED and CIS models,5 VIDEO button. 2 6 TAPE button,1 7 MD button,wh 8 CD button,wg 9 TUNER button. q Display window,wf qa TUNER BAND button,qs STEREO MONO button. qd TUNER MEMORY button,qf DBFB button,wd ws wa w ql qk qj qg SURROUND button.
qh GROOVE button and indicator,qj VOLUME knob,qk PLAY MODE button. ql REPEAT PTY button,w M button,wa ENTER button and indicator. ws Remote sensor,wd PHONES jack,wf Jog dial,wg m button. wh POWER SAVE DEMO STANDBY button,wj FILE SELECT button. Rear Panel,1 2 3 1 SYSTEM CONTROL terminals,2 AM ANTENNA terminals.
3 FM ANTENNA terminal,4 VOLTAGE SELECTOR switch,Malaysia and Singapore models. 4 5 REAR SPEAKER terminals,0 6 CENTER SPEAKER terminals. 9 7 SUPER WOOFER OUT jack,8 8 MD OUT jacks,9 MD IN jacks. q VIDEO AUDIO jacks,Abbreviation,AED North European model. Photo AEP model,This section is extracted from,instruction manual.
Step 2 Setting the time 3 Press ENTER,The minute indication flashes. You must set the time beforehand to use the timer,Getting Started. The clock is on a 24 hour system for the European,model and a 12 hour system for other models. The 24 hour system is used for illustration 4 Press V or v to set the minute. 5 Press ENTER,The clock starts,If you ve made a mistake start over from step 1. Setting the time deactivates the demo mode,If you want to display the demo mode press.
DISPLAY European model or DEMO,STANDBY other models when the power is off. 3 5 2 4 To change the time,The previous explanation shows you how to set. the time while the power is off To change the,time while the power is on do the following. 1 Press CLOCK TIMER SET,Press V or v to select the SET CLOCK. Press ENTER,4 Perform steps 2 through 5 above, The clock settings are cancelled when you disconnect.
the mains lead or if a power failure occurs,1 Press CLOCK TIMER SET. The hour indication flashes,2 Press V or v to set the hour. DISASSEMBLY, Note Follow the disassembly procedure in the numerical order given. 2 two screws,1 two screws,case 3 TP2,1 two screws,case 3 TP2. 2 2 FRONT PANEL ASSY,1 flat cable 7 core,4 front panel assy.
2 flat cable 25 core,3 two screws,2 3 BACK PANEL ASSY. 2 connector,1 flat cable 13 core,4 back panel assy. 3 six screws,3 four screws,2 4 MAIN BOARD,2 connector CN111. 1 connector,3 two screws,4 connector CN152,5 main board. CD Delivery Mode MC Hot Reset, This mode moves the optical pick up to the position durable to This mode resets the set with the preset data kept stored in the.
vibration Use this mode when returning the set to the customer memory The hot reset mode functions same as if the power. after repair cord is plugged in and out,Procedure Procedure. 1 Press the 1 button to turn the power ON 1 Turn the power ON or set to the DEMO mode. 2 Press the ENTER and 1 buttons simultaneously 2 Press three buttons of ENTER DISPLAY and. 3 A message LOCK is displayed on the liquid crystal display TUNER MEMORY simultaneously. and the CD delivery mode is set 3 The set is reset and becomes standby state. Change over the MW Tuning Interval Change over of VACS ON OFF. The MW tuning interval can be changed over 9 kHz or 10 kHz Procedure. Procedure 1 Press the 1 button to turn the power ON. 1 Press the 1 button to turn the power ON 2 Press three buttons of ENTER DISPLAY and GROOVE. 2 Press the TUNER button to select the function TUNER simultaneously and the display on the liquid crystal display. and press the TUNER BAND button to select the BAND MW changes to VACS ON or VACS OFF and thus the VACS. 3 Press the 1 button to turn the power OFF ON OFF is changed over. 4 Press the TUNER MEMORY and 1 buttons simultaneously. and the display on the liquid crystal display changes to MW VIDEO input Record and CD play in CD function. 9 k STEP or MW 10 k STEP and thus the tuning interval Procedure. is changed over 1 Press the 1 button to turn the power ON. 2 Press three buttons of ENTER DISPLAY and,MC Cold Reset m simultaneously. The cold reset clears all data including preset data stored in the 3 DVD 5 1CH is displayed on liquid crystal display and at. RAM to initial conditions Execute this mode when returning the same time CD is played and the deck B is placed in the. the set to the customer record status, 1 Turn the power ON or set to the DEMO mode CD Service Mode. 2 Press the GROOVE and 1 buttons simultaneously This mode can run the CD sled motor optionally Use this mode. 3 The set is reset and displays COLD RESET then becomes for instance when cleaning the optical pick up. DEMO mode Procedure,1 Press the 1 button to turn the power ON. Amplifier Test Mode 2 Press the CD button to select the function CD. Procedure 3 Press three buttons of ENTER POWER SAVE DEMO. 1 Press the 1 button to turn the power ON STANDBY and STEREO MONO simultaneously. 2 Press three buttons of ENTER DISPLAY and 4 Set to the Sled Servo mode. TUNER BAND simultaneously 5 With the CD in stop status turn the JOG dial clockwise to. 3 ALC OFF is displayed then the function which was set be move the optical pick up to outside track or turn it counter. fore the test mode became active is displayed clockwise to inside track. 6 To release from this mode perform as follows, LED and Liquid Crystal Display All Lit Software Ver 1 Move the optical pick up to the most inside track.
sion Display Key Check VACS Level Display Mode 2 Remove the power cord. Procedure Notes Always move the optical pick up to most inside track when. 1 Press the 1 button to turn the power ON releasing from this mode Otherwise a disc will not be un. 2 Press three buttons of ENTER DISPLAY and loaded, Do not run the sled motor excessively otherwise the gear can. STEREO MONO simultaneously,be chipped, 3 LEDs and liquid crystal display are all turned on. Rotating the JOG dial changes over the check patterns of liq. uid crystal display, 4 Successively the following three modes can be activated. 1 Press the VIDEO button and the software version is displayed. on the liquid crystal display, 2 Press the MD button and the key check mode is activated. In the key check mode the liquid crystal display displays K. 0 J0 V0 Each time a button is pressed K value increases. However once a button is pressed it is no longer taken into. J value increases like 1 2 3 if turn the JOG dial clock. wise or it decreases like 0 9 8 if turn the JOG dial counter. V value increases like 1 2 3 if turn the VOLUME dial. clockwise or it decreases like 0 9 8 if turn the JOG dial. counterclockwise, 3 Press the TAPE button and the VACS level is displayed on.
the liquid crystal display, 5 To release from these mode press three buttons in the same. manner as step 2 or remove the power cord,Aging Mode Display at an error occurred. This mode can be used for operation check of CD section and tape 1 Display of the error count. deck section 1 Press three buttons of ENTER POWER SAVE DEMO. CD section and tape deck section work in parallel STANDBY and GROOVE simultaneously. If an error occurred 2 Display of the error count following as below. The aging operation stops only an error occurred sections and. display then status Display,If no error occurs,The aging operation continues repeatedly. 1 Set disc in DISC5 tray, 2 Load the tapes into the decks A and B respectively Notes. 3 Press the PLAY MODE button to set the ALL DISCS mode EMC The number of mechanical error. and press the REPEAT PTY button to REPEAT off EDC The number of no disc error after chucking the disc. 4 Press the CD button to select the function CD, 5 Press three buttons of ENTER POWER SAVE DEMO 2 Display of mechanical error.
STANDBY and TUNER BAND simultaneously, 6 The aging mode is activated if the indicator of disc tray num Display. ber on the liquid crystal display is blinking, 7 To release from the aging mode press the 1 button to turn E M. the power OFF and operate the cold reset Refer to the MC. Cold Reset,1 Display at the Aging Mode, Display operating state of CD section and tape deck section al The number of mechanical error 00 is latest one. Press the PLAY MODE button to changes next error display. ternately Not used, If an error occurred stop display which that section Loading error Second figure is not used. D The error in the midst of close at the except mechanical trouble. 2 CD Section E The error in the midst of open at the except mechanical trouble. Display at the aging mode is the same as the normal operation C The error in the midst of chuck up at the except mechanical. The sequence during the aging mode is following as below trouble. F The error in the midst of EX open at the except mechanical. Aging mode sequence CD section Loading error Second figure in not used. 1 The error in the midst of chuck up,2 The error in the midst of chuck down.
3 Time up of EX open,4 Time up of EX close,Open the disc1 tray. 3 Display of no disc error,Disc5 chucking Display,Disc5 TOC read. Disc5 play track1 for 2 seconds The number of mechanical error 00 is latest one. Press the REPEAT button to changes next error display. 01 Focus error,Disc5 play last track for 2 seconds 02 GFS error. 03 Set up error,00 No disc error when does not chucking retry. 02 No disc error when chucking retry to completion. The state when judged no disc error Second figure is not used. 3 TOC read,7 Manual search Play,8 Manual search Pause.
4 1 NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Circuit Boards Location. Note on Printed Wiring Board Note on Schematic Diagram. X parts extracted from the component side All capacitors are in F unless otherwise noted pF F. Y parts extracted from the conductor side 50 WV or less are not indicated except for electrolytics SUB TRANS board. x parts mounted on the conductor side and tantalums AEP UK G AED CIS. b Pattern from the side which enables seeing All resistors are in and 1 4 W or less unless otherwise. The other layers patterns are not indicated specified. Indication of transistor f internal component,2 nonflammable resistor. Q 5 fusible resistor,C panel designation TRANS board TUNER pack. Note The components identified by mark 0 or dotted line. These are omitted with mark 0 are critical for safety. Replace only with part number specified,U B Line BACK LIGHT board. Voltages and waveforms are dc with respect to ground. These are omitted under no signal detuned conditions. no mark TUNER FM, Voltages are taken with a VOM Input impedance 10 M. Voltage variations may be noted due to normal produc. tion tolerances,Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc. tion tolerances MAIN board,Circled numbers refer to waveforms. Signal path,F FM PANEL board,Abbreviation,MY Malaysia model. SP Singapore model,G German model,AED North European model. IC Block Diagram Waveforms,MAIN Board MAIN Board,IC401 BA3830F 1 IC501 qa XCOUT. RESET 18 RESET,REFERENCE 3 Vp p,LINE NF 3 17 F01,LINE IN 4 BAND 15 F03.
DET 13 F05 32 768 kHz,REC NF 5 2 IC501 qd XOUT,11 REC LEVEL. GND 9 2 8 Vp p,16 025 MHz, 4 2 SCHEMATIC DIAGRAM MAIN Board 1 3 See page 13 for Printed Wiring Board. 4 3 SCHEMATIC DIAGRAM MAIN Board 2 3 See page 9 for Waveforms See page 13 for Printed Wiring Board. PIN FUNCTION, 4 4 SCHEMATIC DIAGRAM MAIN Board 3 3 See page 9 for IC Block Diagram. Semiconductor Location,Ref No Location Ref No Location. D141 A 8 Q112 A 8,D501 B 2 Q113 A 8,D502 D 1 Q114 G 6.
D503 D 1 Q162 A 9,D504 E 1 Q163 A 9,D505 E 1 Q164 G 6. D506 E 1 Q191 G 11,D507 F 1 Q411 D 5,D508 E 2 Q421 C 3. 10 D510 C 1 Q431 E 6,D901 B 5 Q432 D 6,D902 B 5 Q461 D 5. D903 B 5 Q501 F 1,D904 B 4 Q502 F 1,D905 A 6 Q503 F 1. SERVICE MANUAL TUNER AMPLIFIER AEP Model UK Model E Model SPECIFICATIONS STR NX5MD STR NX5MD is the Tuner and Amplifier Section in DHC NX5MD Amplifier section European model DIN power output rated 80 80 watts 6 ohms at 1 kHz DIN Continuous RMS power output reference 100 100 watts 6 ohms at 1 kHz 10 THD Music power output reference 160 160 watts 6 ohms at 1 kHz 10 THD

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