NAD Electronics C 542 User's Manual
Contents
1. Wee S SHOISIS3H L 3LON I _xRsTA gt A 5 15515 XRSTA SQCK 5 IXRST SYSM ma sli saasa XLAT CLOK 1K r R211 CLOK crok gt IK ho oae sms o SCLK R209 SCLK scrk gt GFS K SCOR SCOR SOOR TPEPPPEPPEEP R212 100K ONG SE AAA DEBUG 9 21 PO RRE RAST EL TP208 GS COUT C207 0 22 206 2205 204 203 2202 2201 SA 209 2 3 MIRR 330p p20p P20p b 01u 20 P20p 10K TP210 UN LM ui GQ FOK j TR P212 LOCK 9 EE 27 MDP SSTP TE FCS 208 SFDR 28 SEDE U201 5 CXD3017 FCS SPDR SRDR 29 SRER Q 2 z TFDR 30 DSP TRDR 31 no C209 C211 FFDR 32 MIOSA 1500p 27p FRDR 33 FRDR 34 VSS 6 35 5 eh TEST 4 l 37 C210 AA 9 XTST 2 0 1u E 7 22 1 eo SRI glgl 7 FE SE 2 a LRC2. D 5 5 55 A 5 gt 9 se B 5 99 asta mea tc T 5 3 a 5 gt lt 5 a L 230V N 4803 RED Oats L 120V J801 M8018 MBDIA 10020 8100 6011 3N1 902V0N 80d 9 1935 9 3155 AC LI TOG LIVE BOARD RF PATTERN TESTING osos CD an s e 218 815 1 e m5 R e 10704 5 T 1536 1539 LO 506 5 C507 DGND Qoo J33 5 o D 5V _JI52 EE D 5V J537 2 2 8 la DRA 3 38 J511 g 2 g amp C304 8 GRE 8 45 4330 J330 al 8 35 1550 C305 D305 C306 C307 5 2 8 1 J130 155 J518 ss AGND GND 2227 F2_J519 1 565 teo 1 2 1 1 5 8 2 e e 797 5 H I lt 18 315 S I 1T R606 8 i J128 C523 T a t vog 88 888558 Wm 8 108 8 88868 amp 5 8 0201 J122 2 B C109 0603 5 a m E E 2 R227 0Ui 221 C223 0 p 5 5 amp R w R219 R226 R230 0308 o F C104 e o 03 L101 m 0602 5222 GEM m 0601 R623 Br NN 102 C106 A41 C103 a c218 C220 J127 As e l R225 529 a sls la od RI eT 7 r 219 w dil 22 L102 ST w
3. GREY CE GREY 1466 5103 0 1466 5104 1 1402 3783 2 1402 3526 1 1402 3527 1 1402 3531 0 1402 3532 0 2442 1002 0 2442 1003 0 4154 4192 1 4154 4194 1 3716 4318 0 2444 1203 0 FASCIA BLACK C542 FASCIA SILVER C542 STRAP C542 CHASSIS C542 AH CHASSIS C542 C TOP COVER BLACK C542 TOP COVER SILVER C542 POWER BUTTON BLACK POWER BUTTON SILVER CD DOOR BLACK C521BEE CD DOOR SILVER C521BEE WINDOW LENS C542 BUTTON TRIO BLACK 0010 TI 2444 1204 0 0013 4157 0501 1 0014 A 4151 9461 0 0018 4152 4641 1 2444 1904 0 2444 1903 0 BUTTON TR10 TITANIUM RUBBER FOOT STRAIN RELIEF BUSHING CUSHION FOOT W RUBBER WA DUO BUTTON TITANIUM DUO BUTTON BLACK LED LENS 412 CLEAR SAN TRANSFORMER BRACKET AC CORD 18AWGX2 AC CORD SEMKO FERRITE CODE D19XT10 SCM PW M4X6 RECESS WHITE M4X0 5PX6MM W FLAT ST SCREW 3X10 BH T3X8MM SELF TAPPING T3X8MM SELF TAPPING TAPPING 3X8MM B TITE T3X8MM SELF TAPPING T3X8MM SELF TAPPING METAL WASHER M4X0 5PX6MM W FLAT TAPPING 3X8MM B TITE 0019 TI CE 0019 GREY CE GREY 0024 3714 5706 0 0027 4104 3721 0 0101 GREY AH TI A 0101 GREY CE TI A 0102 GREY CE 0201 TI 0201 GREY CE GREY 0202 2954 3010 4000 0202 GREY CE GREY 2954 3008 3000 0204 2954 3008 3000 0205 2954 3008 0000 0206 2954 3008 3000 0207 2954 3008 3000 0208 2842 3367 0 0209 2900 4006 3010 0
4. O lt O DISC PLAYER daAVTd OSIa LOVdINOD TVANVIN 39IAH3S MA ee SAFETY INFORMATION CAUTION CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND VARING OSYNLING LASERSTRALNING NAR DENNA DEL AR INTERLOCKS DEFEATED AVOID EXPOSURE TO BEAM PPNAD OCH SP RRAR AR URKOPPLADE STRALEN AR FARLIG ADVARSEL USYNLIG LASERSTRALING NAR DEKSEL APNES 0G VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET CLASS 1 SIKKERHEDSLAS BRYTES UNNGA EKSPONERING FOR STRALEN s AAA ASPRSA TR ALARABO LASER PRODUCT ADVARSEL USYNLIG LASERSTRALING VED BNING NAR VORSICT UNSICHTBARE LASERSTRAHLUNG TRITT AUS WENN SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION UNDG DECKEL GE FFNET UND WENN SICHERHEITSVERRIEGELUNG UDS TTELSE FOR STR LING BERBR CKT IST NICHT DEM STRAHL AUSSETZEN The lightning flash with arrowhead within an equilateral tri The exclamation point within an equilateral triangle is intend angle is intended to alert the user of the presence of ed to alert the user of the presence of important operating uninsulated dangerous voltage within the product s and maintenance servicing instructions in the literature enclosure that may be of sufficient magnitude to consti accompanying the appliance tute a risk of electric shock to persons THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT
5. 7 WIRING DIAGRAM 8 RF PATTERN TESTING A EE 9 IMPORTANT NOTIS b braces Sacr w g 10 11 POB U Mabel ZE aod a Mace kC 12 13 SCHEMATIC DIAGRAM RR RR I Ra Ra 14 18 IC BLOCK DIAGRAM ska uuu ubere ru Eu ES 19 22 TROUBLESHOOTING GUIDE ed RR HE ln Rl iR CER Dee 23 BLECTIRICAL PARTIS LIST wax da dore d EUER Hia Voce d 24 29 MECHANISM EXPLODED VIEW wow oie NOIRE ae Ll OR Ced ea ct en oS oz 30 MECHANISM EXPLODED VIEW PARTS LIST 0 31 EXPLODED VIEW 4 uk cian ge KR EUH unga 32 EXPLODED VIEW PARTS LIST 4545944523 ape ER Rh en Sende dee 33 34 PACKING DIAGRAM iu 2 678 aw r d od SOG A ___ CER Q E RC qoa 35 SPECIFICATIONS Disc Capacity One Disc 120 or 80 mm Decoding SU SS SR NAWA BURR BROWN Delta Sigma 24bit Digital 8 Times oversample Analog bies ia wood u UE Hie 4 pole active Frequency Response 0 5 dB 5Hz 20kHz De Emphasis 0 9 dB THD at 0 dB 1 2
6. o 28 e R301 TIME REPEAT B SCAN w F SCAN o o o o 1725 191B 0000 7 ISSUE A LIVE BOARD M802 O wioen 5 e ISSUE C SECTION C gt PCB NOA70C LIVE zov 8 1725 2018 0201 J802 Oz LED BOARD M301A 1725 201 0100 0504 PCB N0A70C LED ISSUE C SECTION D 12 MAIN BOARD le bach T s i ie ez NU REZ z EF al 2 STA a MIRI Hi M 1 wo 56 3524 27 501 5 030 Nm 2 gp up Am v 3 k ff a AR as l I 1 SCHEMATIC DIAGRAM D409 0402 DI IN4148 oe 2SD1012F L VCC R403 10K MUTE MCU NY gt R308 R309 DATA 3K IK XLAT zu GR U301 P50 C403 D403 XRST a UNLD 2 4 GM gt gt 100uF 6V3 RW ROM LDOFF i dere g 56656 R416 C407 O A 009 R 47K 2200u BBORE AR DRA 16V R303 R307 R305 TP303 9 2 KA 6K2 IK G a 75 5 P20 64 DISCO ae DISCO e R311 100K 63 DI SW l gt T P74 AN4 P21 FLDI SIEROT TTS DI SW Me C308 P73 AN3 P22 SYSM za F226 10u 16V P72 AN2 P23 RW ROM LDOFF F2 25 60 SCLK gt 33 59 SQCK __ ___ CE
7. 24 32 Me uid P25 ss ox PP g 5 5 2 a 12x 2 R312 D303 P61 CTO2 P26 SETT IEEE 1 2X P15 23 we m pasmo en P60 CTI P27 FLD7 FT CD CDR E EE P14 22 P47 1NT2 00 13 21 RESET P01 BZ Z EUN 255 NC RZ P91 XOUT U301 P02 SES EDI 26 12 20 D5V R313 C419 C420 P90 XIN M38B59EF P03 25 P11 19 i 108 10uF 16V oS MCU 55 ED 4 05 P9 17 50 VEDIS XOUT 06 NC VCC PO7FLD15 NC P46 T3OUT P10 ZE 4 SENS jo PES TIOUT 1 SENS 20 P44 PWMI P12 EBI NADLINK gt TP301 P43 BUZ01 P13 NADLINK O P42 INT3 P14 VCC OFF SCOR P41 INTI P15 auro TRIG SW P40 INTO 16 R314 OPEN R315 IK P87PWMO FLD39 7 FLD23 Loves s a E cn M315 i 4 3 f 8050 VFD8 10 R338 10K amp Re Rm 5 aaa 8 5 VED6 7 is vs 6 D307 0309 IN4148 8050 VPO oo Un R Z N RELAY SW 10V O vee e D304 GREEN R319 R317 4 D SV VCC 1K Q R318 4 470 D305 o IN5393 we b R321 gt Q312 RED 10K 0305 C307 RELAY SW 8050 STANDBY 220uF 16V 47uF 10V K502C 7 R336 R335 10K 10K 14 GHIHIOHdS 3SIMH3H LO 953 INN 01 AOS SHOLIOVdVO OIINVH3O 72 GHIHIOHdS 3SIMH3H LO 95953 INN
8. 8 8 so 2 5 Sr bo Str OO 8 8 RI _ 8 2 m TLI 8 8 1 LI DT LL 88 Pu z CZ al 181 Js S TISTIS 8 z 5 lt 8 P l E 38 Nm E 9 pl LL at NM BI B ae m 8 5 e Rd 2 3504 40 34 1 3AVS A INO lt 39 438 344 40 XSIY LSNIVOV TRANSFORMER 6 299 wa gt lt mili D z lt m 8 gt o ai gt WT lt me m 5 5 lt o oj 28 he 855 27 bo LSB 8 So w a B o 5061 w u ago 8 1 442 8 ad SS lt S o o o gt A U a m E ager o gt Ix f Y 190 ul VL 5 s x 8 iP n ce ol O og O gt m AE 8 s lt 8 t 1 H lt o o o our Bl H z m 8 I 8 m of 2 lt 3 4 wu an gt u z ae x aj o n w i SL m ul a 5 ud A 5 m n sa Od 514 Em 5 tid we fid 2 ad Ud Old 6d 54 4 9d 5 gt 5 td 559 aon 2 zd SRG lt lt ld 5 11
9. R224 W cz 1 3 4 J104 cin R221 3v6 JI ST C fa 0227 p m 17 4 W C 6527 24 0101 101 it R116 w R222 139 VRT05 RE 8 dl U506 2 J125 5 a SE EEE 8 E 229 S J166 C226 J126 J106 0103 S88 D48V J138 146 H 1 ws F Testing 1 55 a 105 i ss REGE 6 Point H 0207 02280225 C224 4 e e g a jisa E J150 s II 3 1 w SA J108 R204 C205 H 0202 jo a M 5 J180 4830208 m R201 8 8 206 il il 0203 NAD 542 PCB TESTING POINTS DIAGRAM TESTING PROCEDURE 1 Load the test disc Sony Test CD YEDS 7 and set the unit into PLAY mode 2 Connect the scope to R227 Pin 15 of U101 and DGND J144 Scope setting Coupling Vertical sensitivity 0 2 V div Horizontal time base 0 5 uS div 3 Observe the waveform is 2 0V p p 5 and the eye pattern is at its best shape see FIG 1 FIG 1 a FIG 1 b Poor eye pattern 11T 3T 4T 5T FIG 1 C Good eye pattern IMPORTANT NOTES INSTRUCTION FOR HANDLING OPTICAL SYSTEM BLOCK PICK UP Electrostatic breakdown of the laser diode in the optical system block may occur due to a poteniial difference caused by electrostatic charge accumulated on clothing human body etc A ground must be provided as follows to prevent any electrostatic charge during unpacking or repai
10. gt P56 ScLk21 66 P55 TxD P54 RxD 4 68 P33 FLD27 P53 ScLki12 69 P34 FLD28 P52 SCLK11 lt 4 gt P35 FLD29 P51 SouT1 4 lt gt P3e FLDso P50 SIN1 P37 FLD31 AVss a gt P80 FLD32 VREF 4 b P81 FLD33 P6i SstB1 AN11 gt P82 FLD34 P64 INT4 SBUSY1 AN10 4 5 4 P83 FLD35 P63 AN9 4 VEE P62 SRDv1 AN8 4 e P84 FLDse P77 AN7 4 e 4 gt P85 RTPo FLD37 P76 AN6 80 4 gt P86 RTP1 FLDss z N S A E Z Z E O E E z MT H S E EE 0 EE ES8 5958 8 8 22 lt 5 DEEREROCOSE G s S S z a Bo E 9 5 I O ports 8 8 8 8 7 Port PO 8 Port P1 8 Port P2 8 Port P3 8 Port P4 8 Build in peripheral functions A D converter Timers System clock generation 10 bit X 12 channel Timer X 16 bit XIN XOUT Timer 1 8 bit main clock Serial I O Timer 2 8 bit XCIN XCOUT Timer 3 8 bit sub clock Serial 01 Clock synchronized Timer 4 8 bit 256 byte automatic transfer Timer 5 8 bit Timer 6 8 bit Serial 1 02 Clock synchronized or UART PWM1 8 bit PWMO 14 bit CPU core Buzzer output P Watchdog timer FLD display function 40 control pins Interrupt interval 36 high breakdown voltage ports determination
11. 157C 108M 5 X amp F3 157D 338M 5 5 amp K 157E 107M 5 KUK 157D 107M 5 KUK 153F 223K 5 LQ 1801 100K M 1801 270K M 1802 0450 0 2101 1382 0 2102 0515 004 50V 100 10 3 5x2 50V 0 47uF 20 RL 5X5 CE 50V 0 33uF 20 RL 4x7 CE 16V 470uF 20 RL 8x11 5 50V 0 01uF 5 RL 5X7 CE 16V 220uF 20 RL 8x7 CC 50V 0 1uF 10 RL 5x5 10V 47uF 20 RL 5X7 CE 16V 10uF 20 RL 4x7 CE 6 3V 100 20 RL 6x7 CE 16V 10uF 20 RL 5X11 CTC 0 60 20pF 5 RL 4x4 CP 50V 100pF 5 RL 6x12 CM 50V 2700PF 5 RL 5 5x7 CM 63V 0 0047uF 10 RB 7 5x6 5 CP 50V 680pF 5 RL 6x12 CE 16V 470uF 20 RL 12 5x20 CE 25V 100uF 20 RL 10x16 CM 63V 0 22uF 5 RB 7 5x6 5 CE 10V 22uF 20 RL 5X11 CC 50V 1000pF 10 AT 3 5x2 CC 50V 0 0022uF 10 AT CM 50V 0 01uF 10 RL 5x7 CE 16V 2200uF 20 RL 12 CE 25V 1000 20 RL 12 5x20 CE 10V 1000 20 RL 16x31 5 CE 50V 100uF 20 RL 10x16 CE 10V 220uF 20 RL 8x7 CE 25V 10uF 20 RL 5X11 CE 50V 22uF 20 RL 5X11 CE 35V 47uF 20 RL 6 5X11 CE 10V 1000uF 20 RL 12 5x25 CE 16V 3300uF 20 RL 16x25 CE 25V 100 20 RL 6 3x11 CE 16V 100 20 RL 6 3x11 CM 50V 0 022 10 RL 6 5x9 COIL 10uH 10 7 0 COIL 27 uH 10 AL BL7 DIGITAL COIL CONNECTOR FLEXIBLE 16P 5P ST WAFER Bees faim pes M301B M502 M505B M506B JACK M313 M315 M317 M318 M319 CRYSTAL M302 SCREW IC U101 U201 U202 U301 U302 U305 U306 U402 U403 U501 U506 U502 U503 U507 RELAY
12. R121 R124 R202 R207 R209 R211 R217 R315 R317 R332 R402 R125 R215 R214 R223 R226 R228 R229 R318 R320 R517 R518 R520 R319 R359 R360 R363 R364 R367 R368 R371 R372 R503 R504 R375 R376 R379 R380 R384 R383 R405 R406 R415 R413 R416 R523 R501 R502 DIODE D301 D303 D307 D308 D404 D409 D411 D415 D426 D431 D305 D403 D501 D504 D505 D510 4711 302A 2 4711 154A 2 4711 104A 2 4711 683A 2 4711 153A 2 4711 512A 2 4711 182A 2 4711 123A 2 4711 103A 2 4711 102A 2 4701 4R7J C 4711 822A 2 4711 333A 2 4711 105A 2 4711 332A 2 4711 471A 2 4711 561A 2 4711 1522 2 4711 152A 2 4711 222A 2 4711 750A C 4711 151A C 4711 223A 2 4711 752A 2 4711 473A 2 4711 241A 2 4804 0010 2 4804 1480 2 4805 3930 2 4837 3V36 2 4837 5B61 2 4808 18R0 2 4840 1140 0 4837 22D 1 2 RMF 1 8W 3K 1 AT RMF 1 8W 150K 1 AT RMF 100K 1 8W 1 AT RMF 1 8W 68K 1 AT RMF 1 8W 15K 1 AT RMF 1 8W 5 1K 1 AT RMF 1 8W 1 8K 1 AT RMF 1 8W 12K 1 AT RMF 1 8W 10K 1 AT RMF 1 8W 1K 1 AT RCF 1 8W 4 7R 5 ATS RMF 1 8W 8 2K 1 AT RMF 1 8W 33K 1 AT RMF 1 8W 1M 1 AT RMF 1 8W 3 3K 196 AT RMF 1 8W 470R 196 AT RMF 1 8W 560R 1 AT RMF 1 8W 15 2K 1 AT RMF 1 8W 1 5K 1 AT RMF 1 8W 2 2K 1 AT RMF 1 8W 75R 1 ATS RMF 1 8W 150R 1 ATS RMF 1 8W 22K 1 AT RMF 1 8W 7 5K 1 AT RMF 1 8W 47K 1 AT RMF 1 8W 240R 1 AT DIODE 1N4001 AT DIODE 1N4148 AT DIODE 1N5393 200V 1 5A DZ 1 2W 5 3 9 TEMIC DZ 1 2W 5 45 5 73 ROHM D
13. BLOCK DIAGRAM MAIN BOARD U101 CXA2581N g Q O MAIN BOARD MAIN BOARD U202 BA6392FP U305 U306 OPA2134 Out A V CH1OUTF GND CH1OUTR CH4OUTF OUTB RR RADNY InA mB CH1RIN VBIN CH1FIN VSIN V 4In B VREFIN VBIN VREFOUT p VCC MAIN BOARD THERMAL 0403 SHUTDOWN CIRCUIT A1 VCC GND 1 4 CH2FIN GER CH3FIN FACE CH2RIN 5 CH3RIN vi RCIN2 RCIN3 CH2OUTR CH3OUTR A2 Y4 CH2OUTF CH3OUTF B2 B3 GND MUTE 2 A3 GND Y3 19 MAIN BOARD U201 CXD3017Q E A D A Interface Timin Logic SERVO Interface FOCUS PWM GENERATOR TRACKING PWM GENERATOR E SLED PWM GENERATOR 20 MAIN BOARD U301 M38B57MC 0 1 2 3 4 5 6 7 8 9 a gt P04 FLD a gt POs FLD P06 FLD 4 PO7 FLD P10 FLD P11 FLD P12 FLD P13 FLD P15 FLD21 Pie FLD22 P17 FLD23 44 P14FLDzo P2o Buzoe FLDo P21 FLD1 P22 FLD2 4 P23 FLD3 60 lt P24 FLD4 4 gt P25 FLD5 4 gt P2e FLDe 4 P27 FLD7 a gt PO1 FLD9 4 b P02 FLD 4 gt P03 FLD 43 42 41 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 64 63 62 61 P30 FLD24 P31 FLD25 P32 FLD26 P57 SRDV2 SCLK22 lt 4
14. CLOSE SIGNAL AT U401 PN65 Pwes H mcos NO MICROPROCESSOR IC U401 DEFECTIVE YES YES IS LOADING MOTOR DRIVE CIRCUIT MOTOR DRIVE TRANSISTOR 1104 OPERATION NORMAL 0105 0106 0107 DEFECTNE YES LOADING MOTOR AND LEAD WIRE DEFECTIVE U101 DEFECTIVE OR LOADING PART OF MECHANISM DEFECTIVE NO NO NO NO DOES INITIAL READING OCCUR CHECK LASER LIGHT DOES LENS MOVE UP AND DOWN CHECK FOCUS SIGNAL OUTPUT YES YES YES CHECK LASER CIRCUIT CORRECT RF SIGNAL OUTPUT CHECK CONNECTION OR PICKUP YES YES YES CONNECTION OR PICKUP DEFECTIVE FEED MOTOR OR WIRING DEFECTIVE NO U101 DEFECTIVE NO NO CAN DISC BE PLAYED CHECK TRACKING SERVO CIRCUIT CORRECT SERVO IC U101 OR U202 DEFECTIVE YES YES CHECK DISC OR MECHANISM AND CONNECTOR NO AUDIO OUTPUT IS CORRECT IS POWER SUPPLY NORMALLY CHECK POWER SUPPLY PATTERNS NO CHECK CLOCK PULSE AT PIN4 OF U302 M302 OR U302 DEFECTIVE YES CHECK OUTPUT PULSE AT PIN 61 62 63 OF U201 IC U201 DEFECTIVE IC U302 DEFECTIVE YES CHECK OUTPUT SIGNAL AT PIN 13 16 OF U302 IC U305 OR U306 DEFECTIVE MUTE CIRCUIT DEFECTIVE YES YES CHECK OUTPUT SIGNAL AT PIN 1 7 OF U305 U306 YES CHECK MUTE CIRCUIT 0301 0302 0303 Q304 LINE OUT PLUG OR PATTERNS DEFECTIVE 23 ELECTRICAL PARTS LIST DISP ASSY PC BOARD WIRE M505A M506A PC BOARD MISCELLANEOUS 0017 0024
15. K501 K502 RESISTOR J178 R227 R3 R408 R409 R411 R1 R111 R201 R316 R327 R328 R329 R331 R333 R334 R337 R355 R356 R358 R362 R377 R378 R381 R382 R394 R395 R396 R397 R407 R412 R103 R104 2102 0315 004 2101 1811 0 2102 1215 004 2102 1615 004 2113 1743 0 2113 1300 0 2113 1170 0 2113 1121 0 2300 1910 0 2954 2608 3000 2954 3008 0000 3131 8030 0 3131 8000 0 3131 8040 0 3131 8010 1 3131 9380 0 3131 7620 0 3130 9320 0 3130 4160 0 3130 2020 3 3130 5610 0 3130 5620 0 3130 2790 1 4500 0200 1 4701 100J 2 4711 101A 2 4711 472 2 4711 203A 2 3 PIN ST WAFER 8P PIN CONNECTOR P 3 96 12P ST WAFER 16P ST WAFER P 2 5 MONO JACK HTJ 035 12E 2P RCA JACK W R AU 1P RCA JACK YL AU 2P RCA JACK Y Y AU X TAL 16 9344MHZ SCREW BT 2 6X8 BLACK TAPPING 3X8MM B TITE IC CXA2581N ASP FOR CD S IC CXD3017Q DSP FOR CD IC BA6392FP 4 CHANNEL IC M38B57MC MICRO MASK IC PCM1732 HDCD DIA IC OPA2134PA DIP OP AMP IC NADLINK MASKED IC DIGITAL IC 7805 REG 5V 1 5A IC LM317T ADJ REGULATOR IC LM337T ADJ REGULATOR NJM7808FA 8V REG RELAY 2 2 125 12VDC RCF 1 8W 10R 5 AT RMF 1 8W 100R 1 AT RMF 1 8W 4 7K 1 AT RMF 1 8W 20K 1 AT pelno pes _ R105 R110 R30 R310 R106 R107 R212 R220 R225 R311 R373 R374 R410 R414 R108 R109 R119 R218 R219 R322 R112 R113 R114 R115 R116 R117 R118 R213 R224 R230 R312 R321 R335 R336 R338 R357 R361 R403
16. LED1 M113 M501 KEY ASSY PC BOARD RESISTOR R301 R306 R307 R302 R303 R304 R305 SWITCH M101 M110 WIRE M120A PC BOARD LED ASSY PC BOARD PCB NOA70C DISP 7009 9620 0 7010 2224 0 1725 711 0000 4134 8701 0 4152 4841 1 3700 5810 R 4816 043T 3 2460 1870 0 PCB NOA70C KEY 4701 102J 2 4701 622J 2 4701 202J 2 5200 3538 0 7012 6347 0 1725 191B 0000 PCB NOA70C LED ASSY DISP NOA70C CONN WIRE ASSY 12P 100MM CONN WIRE ASSY AWG28 PCB KEY NOA7XC C542 HOLDER VFD CORNER BLACK CUSHION EL LCD LED RED 5X5MM RT IR SENSOR PIC 26043TM2 VFD 6 BT 271GK PCB ASSY KEY NOA70C RCF 1 8W 1K5 AT RCF 1 8W 6 2K 5 AT RCF 1 8W 2K 5 AT SWITCH TACT SKHHBY 7 CONNECTOR WIRE ASSY PCB KEY NOA70C ASSY LED 7 pete faim pe O LED D304 3700 3517 RG LED RED GREEN L 469HGW WIRE M301A 7703 1280 2004 CONN ASSY 3P P2 5 L 280 PC BOARD 1725 201B 0100 PCB MAIN N0A70C C542 LIVE ASSY PC BOARD AH PCB N0A70C LIVE PCB ASSY LIVE N0A70C CE PCB N0A71C LIVE PCB ASSY LIVE N0A71C SWITCH M802 A 5200 3151 0 01 POWER SWITCH PC BOARD 1725 201 0100 MAIN NOA70C 542 MISCELLANEOUS C800 A 8910 0049 0 CAP400V 4700P M801 M806 4132 1071 0 TERMINAL PIN M810 CE 1806 2170 0 EMI FILTER TLN12UA MAIN ASSY PC BOARD PCB N0A70C MAIN ASSY MAIN NOA70C CAPACITOR C102 C103 C207 C208 C210 150F 104K 2 FC CC 50V 0 1UF 10 AT C213 C217 C222 C227 C2
17. LOSW T T QUVOSA3M WIRING DIAGRAM 506 5 0205 C202 0228 622 H 0205 our w so na 2 E iit 107 1 T m 4 zoga Q go 2 5 1050 ye e 5 E 8 Eid 800 i Misc Em 5 a u 5 AE am rg z w y gt KEE ne 8 ter am SO IO O eso B 5 6092 8 LE Smp TT A RT 5 DAE g 88 8 im prm 8 a E 8 FI 1 P E 7 7 p 2 or 5 8 ARE m taf sign e yn x RN ES E E 8 E 8 ZA 8 sa sm z SIEM E 057 us a 5 EI 8 t
18. lt Forward gt 5 PLAY PAUSE 11 SKIP Back l 44 Forward gt gt 1 6 TIME 12 STANDBY LED DISASSEMBLY INSTRUCTIONS 1 Remove machine screws M 4 0 x 6 0 Dto 2 from the side panels Remove tapping screw 3 0 x 8 5 5 from the back panel Refer to Figure No 1 Figure No 1 2 Pull both sides of the TOP COVER slightly outwards 6 and tilt approx 35 and then remove in the direction as indicated by the arrow 7 Refer to Figure 2 Figure No 2 BLOCK DIAGRAM 1109 TLIDIA OO 1 toe 31V QNVN TVLIDIQ vou 000HvZ BEM mA HOLIMS LIWIT OW NENA e0EW LNdLno IVLIDIG MOVT 140 9LEW HOLOW 5 Msid HOLIMS LIWIT opsid HOLOW HOLOW I SNIGVOT a vou u LINOHIO SLAW ELEN 7060 1060 LOPO LINN INSINVHO3IN GO 1 d O HOSN3S ALOWAH LLIN H3TIOHLINOO OHOIIN ANIT VN AVIdSIG 9 b 207 b 53 53 H3IHLLOJH HJIHLLOJH U3WHOJSNVHL vosd Losa LLSQ vLGG GG umoa 9313411999 8054 9090 H3MOd H3MOd 8 99 GNVN 2 GO g0sn e zosn 40814080 HOLIMS EOLW HJDDIHL 1V d YLEN H3N3Z lt 015 T T NZZ LNO NI ZOLW SOLW 2054 YNI gt gt ModaNvd JOV o 6LEW AVTdSIQ 14A
19. plate is removed 2 The diffused light of the laser beam can be seen when the POWER switch is turned ON 3 Vertical up and down movement of the objective lens 2 or 3 times will take place 10 PRECAUTIONS WHEN CHANGING LASER PICK UP When removing the pick up assembly short circuit the PCB tracks on the optical block as show in the drawing in order to protect the pick up before removal NOTE Replacement pick up assemblies are supplied with the PCB pattern already protected DO NOT REMOVE THE SHORT CIRCUITS UNTIL YOU HAVE FINISHED FITTING THE PICK UP Protective soldering place for laser diode Caution Laser diodes are extremely susceptible to damage from static electricity Even if a static discharge does not ruin the diode it can shorten its life or cause it to work improperly When replacing the pick up use a conductive mat a grounded soldering iron and so on to protect the laser diode from static damage Ground Conductive Wrist Band for Body Soldering Iron with Ground Line Ground Less than wire 10 ohm PCB LAYOUT DISPLAY BOARD PCB N0A70C DISP 1725 201B 0100 ISSUE C SECTION B S P2BFrxrreeerooertgs ss gt K 52 ena Ran 2 S ss JT m LED1 LED2 PLAY PAUSE STOP RANDOM PREV w NEXT
20. 0 002 Intermodulation Distortion 100 dB 19 20 kHz Dynamic Range 96 dB Finearty cad f m 0 5 dB 0 dB to 80 dB Signal Noise Ratio A Weight 100 dB De Emphasis on 100 dB De Emphasis off Channel Separation 1kHz 990 dB gt 80 dB Wow and Flutter Unmeasurable Quartz Crystal Accuracy Output Impedance 200 Q Output Level atO dB 2 2 V rms Digital Error Correction IRC with double error correction in C1 and C2 Digital Code Output Sony Philips Serial data format Power Consumption 12W CONTROLS Play Pause Stop Random Skip lt gt Scan lt gt Open Time Repeat PHYSICAL SPECIFICATIONS Dimensions 435 x 80 x 285 mm Width x Height x Depth Net weight 4 kg 8 8 165 Shipping weight 5 1 kg 11 22 Ibs REAR PANEL FRONT PANEL REAR PANEL 2003 NAD 542 1 LINE OUT 5 TRIGGER IN 2 DIGITAL OPTICAL amp COAXIAL OUTPUT 6 TRIGGER SWITCH 3 NAD LINK IN OUT 7 LINE CORD 4 IR INPUT FRONT PANEL 2003 NAD C 542 1 2 3 4 6 8 10 1 POWER OFF 7 STOP 2 DISC DRAWER 8 REPEAT 3 DISPLAY 9 RANDOM 4 OPEN 10 SCAN Back lt
21. 210 2954 3008 0000 7009 3100 2 7009 3110 0 1808 0130 0 2900 4006 2010 2900 4006 3010 2904 3006 0000 SCREW M3X6 2954 3008 3000 T3X8MM SELF TAPPING 2954 3008 0000 TAPPING 3X8MM B TITE 2954 3008 0000 TAPPING 3X8MM B TITE 2904 3006 3000 SCREW M3X6 BINDING BLK 2954 3008 0000 TAPPING 3X8MM B TITE 2954 2006 0000 TAPPING SCREW 2X6 2954 2608 0000 SCREW BT 2 6X8 2600 4008 0973 FLAT WASHER 4 0 8 9 7 2601 3004 0801 FIBRE WASHER 2954 3008 0000 TAPPING 3X8MM B TITE 4151 9411 0 CUSHION 130X10X1MM 1463 160B 1 CD TRANSIT LOCK ED 3100 5101 0 PC SHEET 50X7X0 25 4152 0241 0 PAD CORK 15X12X3MM GRAY 3100 5101 0 PC SHEET 50X7X0 25 4154 1371 0 PC SHEET 14X260X0 5 THK GREY AH 3000 4290 0 LABEL BLANK 45X10 GREY AH 3005 0360 2 RIBBON 60MMX600M TEC 3009 1689 0 CD LASER LABEL YELLOW 3000 4205 0 LABEL CD WARNING 1806 2512 0 TRANSFORMER N0870C NOTE Thecomponents identified by A mark are critical for risk of fire and electrical shock Replace only with part number specified lt gt USA Canadian model only lt C gt European model only 34 PACKING DIAGRAM 1435 8401 0 2 BOX C542 1 2 1490 3783 2 POLYFORM ENDCAP 2 3 1497 1062 0 POLYBAG MANUAL 1 4 1497 1302 0 POLYBAG 1 5 1497 1332 1 POLYBAG 1 6 1497 1432 0 EPE BAG 412 1 7 4301 7073 0 INSTRUCTION MANUAL 1 8 2103 7302 1 RCA PLUG MALE 1 9 4060 0530 0 GREENCELL 3A SIZE GP24G2 2 10 8912 0038 0 REMOTE CONTROL C5
22. 21BEE 1 11 1405 2520 0 WHITE PAPER 1 Proprietary information for servicing purposes only The information herein may not be used com mercially without the prior written agreement of NAD Electronics International Toronto Canada 35 NAD 2003 e gt par IVANVIN ADIAGAS U gt lt m NAD ELECTRONICS INTERNATIONAL TORONTO
23. 28 C304 C322 C386 C409 C412 C413 C416 C417 C450 C528 C105 C110 C230 157C 107M 5 IUE CE 10V 100uF 20 RL 5X11 C111 157F 225M 5 IUNK CE 50V 2 2uF 20 RL 5X11 C201 C204 150F 221K 2 FC CC 50V 220pF 1096 AT 3 5x2 C203 C216 C221 150F 103K 2 FC CC 50V 0 01uF 10 AT 3 5x2 C206 150F 331K 2 FC CC 50V 330pF 1096 AT 3 5x2 C209 C223 153F 152J 5 JM CM 50V 1500PF 5 RL 5 5x7 C211 C212 C414 C415 15CH 270J 5 GG 0 60 27 5 RL 4x4 02140215 150F 471K 2 FC CC 50V 470pF 10 AT 3 5x2 218 C219 C220 C226 C229 C303 C370 C305 C306 C514 C515 C307 C308 C325 C334 C418 C420 C310 C710 C320 C321 C323 C324 C332 C328 C329 C352 C353 C356 C357 C362 C363 C366 C367 C371 C374 C527 C375 C376 C377 C378 C383 C384 C385 C387 C419 C539 C544 C407 C506 C507 508 533 510 C511 512 513 537 538 C521 522 525 529 560 561 C713 COIL L101 L102 L302 L201 L301 WAFER CONNECTOR M102 M120B 150F 101K 2 FC 150F 474M 5 II 157F 334M 5 GMK 157D 477M 5 OVK 153F 103J 5 IM 157D 227M 5 OMK 150F 104K 5 Il 157C 476M 5 IMK 157D 106M 5 GMK 157B 107M 5 KMK 157D 106M 5 IUF3 15CH 200J 5 GG 158F 101J 5 KW 153F 272J 5 JM 153l 472K 9 NL 158F 681J 5 KW 157D 477M 5 X9F3 157E 107M 5 S5C 1531 224J 9 NL 157C 226M 5 IUK 150F 102K 2 FC 150F 222K 2 GD 153F 103K 5 IM 157D 228M 5 X9E 157E 108M 5 5 F3 157 108 5 55 157F 107M 5 OVK 157 227 5 157E 106M 5 IUF3 157F 226M 5 IUK 157Q 476M 5 LUA
24. A DAN GND JA WNS y c OOQH NI Od TOTO c 0141 1540 Od I Do A01 2001 ossg 9 01 S012 R 7011 O I A01 n001 8019 6012 16 G3IHIOHdS ASIMYAHLO i gt SS31INN 0L AOS SHOLIOVdVO OIWVH4O I 4915419398 dSIMH3HIO ww gt TN sii SS 1NT M8 L S WI SHOLSIS34 L ALON IEW diz diz A RA A 9M01 sito oooHrL SITO ane ui 2 Aszmol EU SPIPNI FLO 4 v v d LA 4 As V SISVH lt OINTTGVN 00d led ytol 2 A 18 0 S Sore a JE vaberzydo VdreIzVAO t POT 1 INGI Ia W aj 94 x TS A9i nozpj 29081 5 W ITED 3001 PLED call 4001 Ora ri NO WATS 1064 00DHbL Led SPIPNI SPIPNI A9I NOI A9I OL 8 A ASUMOLE STED d Lm qm ANIT AY
25. C NPO Resistors RMF Metal Film RCF Carbon Film RWR Wirewound Metal Oxide 29 MECHANISM EXPLODED VIEW WSL 2130CCM 30 MECHANISM EXPLODED VIEW PARTS LIST 4102 9000 0 Outside Main Chassis 4102 9001 0 Tray 4102 9002 0 Subchassis 4102 9003 0 Chucking Plate 4102 9004 0 Drive Gear 4102 9005 0 Control Cam 4102 9006 0 Chucking Pulley 4102 9007 0 Gear Cover 4102 9008 0 Tray Gear 4102 9009 0 Intermediate Gear 4102 9010 0 Loading Pulley 4102 9011 0 Motor Pulley 4102 9012 0 SW Pin 4102 9013 0 Chucking Yoke 4102 9014 0 Optical Pickup Unit 4102 9015 0 Loading PWB 4102 9016 0 Motor RF 500TB 14415 4102 9017 0 Leaf Switch 4102 9018 0 Connector pin 5P 4102 9019 0 Magnet 4102 9020 0 Insulator 4102 9021 0 Coil Spring Front 4102 9022 0 Coil Spring Rear 4102 9023 0 Screw Motor M2 6x2 5 4102 9024 0 Screw M2 6x7 4102 9025 0 Screw Washer Based M2 6x16 4102 9026 0 Rubber Belt 4102 9027 0 Center Ring 4102 9028 0 Turn Table 4102 9029 0 Gear A 4102 9030 0 Motor Gear 4102 9031 0 Damper N O O R N 3585835356 31 EXPLODED VIEW 32 EXPLODED VIEW PARTS LIST 0001 0001 0002 0003 0003 0005 0005 0006 0006 0007 0007 0008 0010 GREY CE GREY GREY AH GREY CE GREY CE GREY GREY CE GREY GREY CE GREY
26. IODE IN5818R ND AT ZD 1 3W 3 3V 5 AT DZ 1 2W 21 52 22 63V TRANSISTOR Q101 Q104 Q105 Q103 Q106 Q107 Q307 Q312 Q301 Q304 Q401 Q403 Q402 Q404 Q405 Q502 SWITCH M314 HEATSINK U501 U503 U506 U507 WIRE M101 M102C M105A PC BOARD MISCELLANEOUS GND1 M302 M302 M303 M316 M402 M507 M512 M513 M514 U502 U503 4860 0060 5 4860 0050 5 4860 1780 5 4860 0660 5 4851 012F 5 485A 114E 5 485C 114E 5 485A 950Y 5 5200 31 71 0 01 5400 9130 0 7012 6536 0 7012 6232 0 7012 6538 0 1725 201 0100 4132 1061 0 4152 9052 0 4152 9042 0 2704 0060 0 4811 2 3 2703 0190 0 4131 9131 0 2601 2608 0601 2703 0150 1 TR SS8550 C D SAMSUNG RL TR SS8050 C D SAMSUNG RL TR 2SD655F HFE 600 1200 2SA1015 G R RL 2SD1012F G TR DTA114ESA ROHM TR DTC114ES TR 2SA950 Y HFE 100 200 DPDT SLIDE HEAT SINK FOR 7805 2438 CONN WIRE ASSY 5PIN 2 0 WIRE CON 16P P 1 0 CONN WIRE ASSY 6PIN P2 0 PCB MAIN NOA70C C542 SOLDER TAG CRYSTAL CUSHION BOTTOM CRYSTAL CUSHION TOP EMC FILTER LIGHT TX UNIT GP1F32T CR RESONATOR FUSE HOLDER 6 5MM PITCH FIBRE WASHER M2 6 0 8T CR4 00MHE CSTLS4M00G55 B NOTE The components identified by A mark are critical for risk of fire and electrical shock Replace only with part number specified lt AH gt USA Canadian model only lt C gt European model only Capacitors CP Polystyrene CM Mylar CE Electrolytic CC Ceramic CT
27. K R215 5 B BRKSLAB FS EJEZZSZZLAZZUBESZ BA c227 228 nn B 8486 2 88282 EEE C212 4 04 Olu U202 _ 27p 10 A 2 BA6392 026 B 0 33u 50V V3V6 D201 551 BC 6 SEEZEES AND gt gt 2 R228 27uH Aka 1N4001 elclsls 6221 TP214 0014 C222 C230 AGND 100uF 10V 1 1 7 TP213 mE 10K C229 N XRST T 470U 16V 8 IK 8225 100K 4 c220 53 0 lu 0 47u pour gt TRK 216 gt DIG OUT Cre 2 86 EM R227 R230 V3V6 100 10K gt R226 I lt IM C218 a 100p o gt C223 1500p Q RFAC RFAC RF AMP G3IHlOHdS 3SIMH3H LO SS3INA 0 AOS SHOLIOVdVO 008 0508 G3IHIOHdS 3 c LOIO 9010 SS3 INN M8 L 6 WII NOdHVO HV SHOLSIS3H 4LON tera 89010 0558 m SS SOLO 01O NIdS IOIN 6 Lit 95A sc or 55 NI TAL AHOTUWOWMA gt A Cm Sa M 80141 A01 001 LOLO A01 0001 ad st 9019 vl 184 H AL AL MS rom a TT ao 4 Ti 01 149 A oT ri 20 a Eora A01 1001 DAN 2 5 0119 158 8 5 SMI SIT
28. M8 L S WI 38V 58015153871 310 h SO8L v 90sn 01 10001 Leo 9 9762 8 O NI AINO DNIA CC ALNNIAH ASZ 10001 1050 lt WA ME LEAL g sosa 8 ASTMOL z lt 4 0sn TOSA ASZMOI 41901 CAC eso WSJ 27064 GNDV NZ ASZMOI 2 yhol LESO gt 6650 8 TAC E 5559 w 0SH 2 lt 1 ASTMOL 2150 105 Q 5 5 8 t 1 UA ROS6VST AS n000I z ILIEWT 2050 2050 ENT PSO 9050 lisa a 5 SNL 8 IOAOL YINAOISNVAL FAR w gt ZOSW B AOS ENE 5 0050 Yol MOL 100PNI test AOST VIL x AOS ENE ASEMZZ 91 1001 ASZ NOOT TOOPNT orsa 162 0189 1950 0950 Lisa sisa GND A01 0001 ki IOOYNI 1052 AOSZ RACZ t V z EESO z visa PISA Q Q 5 5 UI 1 UI O A 9m001 AOIMOLP POT I pol 91 10066 042 1159 SOL AV 8050 STSO 808L 860 6090 L 1051 ZOS 1051 AOST V9 IL OUEMOSTVOTINTL LOSW Ors lt A8 d POWER_SW M802 18 IC
29. N LOPA 91 C A ason t w Std 2 2 002 cd d WASH ANIT AVN Ee Ted HROI 6IEW 5 zT 100 ANITAVN 10 1 050855 5 gt corn A 8020 ALOT SISVHO 3001 g 1860 E 0I R dooce En 9 AOL ncc veorn S8ED ERED AL 00OHZ A Ino VLA t L LE k i doz doz LJ BIEN oreLsa DI Ga 8600 69 NIDAT SIN Fz ES OOOHPL A ZN WAGOW qooorll 9 gt e acorn NI3O8 SS ozea 4089 301 FO ALON vee TAT VdbEIZVdO ATT VSOEN c IQOW 6 9 v VZOEW OLX OMI SO ZU 9 fez 1559080 an9a 154 10 0 m ee owaz A9TMOI nz 4559452 USL m 91 1001 2629 0 6 do WZIDA TOSA 020 gt scqNoy ANOV IZED x I put Na uxa rj 129 lt A001 4 SLEA D PLEA L9 9 490 n La ALNOA TLNOA E n 91 001 TANDV 120A l V 9LED Ac nOI 4559182 ASSOQST VdbEICVdO NZELIWOd 2156 VEN coen 439 i wool lt a P VLIEW gt 5 ACLV A DAC 1 N 1 POWER 31312 395 3SIM43HLO SS3INA WOL AOS 34V SHOLIDVdVO DINVH3D 831412345 3SIM43HLO 5531
30. TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION SERVICE SAFETY PRECAUTIONS 1 Replacing the fuses CAUTION FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF FUSE Reference No Part Number Description M507 A 5120 0052 0 FUSE T1 6A 250 5x20MM M507 C A 5120 0050 0 FUSE T1 6A 250V 5x20MM M512 M513 A 5120 0020 0 FU 250V UL CSA 5x20MM M512 M513 C A 5120 0018 0 FU 250 SEMKO VDE M514 A 5120 0026 0 FU T315MA L 250V UL CSA M514 c A 5120 0027 0 FU T315MA L 250V NOTE lt AH gt USA CANADIAN MODEL ONLY lt gt EUROPEAN MODEL ONLY 2 Safety check out Only U S A model Before returning the product to the customer make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from the supply circuit Parts marked with the symbol ZA are critical with regard to the risk of fire and electric shock Replace only with parts recommended by the manufacturer CONTENTS DESCRIPTION PAGE SPEGIFIGAIIONS 11253 PZ DE aed 4 HEAR PANEL FRONT PANEL da air ar gi de om ee wake Awe dore owe ac 5 DISASSEMBLY INSTRUCTIONS a dos e re ce oid 6 BLOCK DIAGHAM Rid bed bid RACE RR OE RE eek eee
31. function Port P5 8 Port P6 6 Port P7 8 Port P8 8 Port P9 2 8 6 8 8 2 21 MAIN BOARD U302 PCM1732 Vec2R AGND2R a ED aa gt lt LRCIN ML S DIN MC DEM BCKIN ii BCKIN MD Fss LRCIN HDCD Decoding CLKO MUTE DIN Hidden Code XTI MODE Recovery XTO CS 1WO DGND RST gt Low pass VouTL VDD ZERO Enhanced Filter EXTL HDCD GAIN Multi level Oversampling Delta Signal Vcc2R Vcc2L Digital Filter with Modulator VouTR AGND2R AGND2L EXIR EXTR EXTL gt ML I S VouTR VouTL MC DEM ZERO AGND1 Vcc MD FSS BPZ Control CS IWO Power On Reset MODE MUTE RST XTIXTO CLKO Vcc1 AGND1 Vpp DGND INPUT MAIN BOARD GE GNG XTAL Machine Timing amp Inst Control P24 P23 P25 P22 P26 P21 Timers 2 P27 P20 P28 GND XTAL 2 P02 Interrupt XTAL 1 Control P31 POO Flegister P32 P33 Pointer AM dini General Purpose Register File MAIN BOARD U501 U506 U507 78XX IO I O Bit Programmabel 22 TROUBLESHOOTING GUIDE SET POWER SWITCH TO ON NO CHECK FUSES NO 0 IS POWER TURNED ON 2 2 CHECK POWER SUPPLY POWER SUPPLY PATTERNS OPEN ROT OE CIRCUIT NORMAL OR U501 U507 DEFECTIVE N YES YES NO YES M507 M512 M514 DEFECTIVE IS OSCILLATOR CIRCUIT CRYSTAL X301 DEFECTIVE OSCILLATING CAN TRAY BE OPENED 7 NO IS THERE OPEN CLOSE KEY SIGNAL M101 SWITCH DEFECTIVE INPUT 2 U401 PIN 66 65 OR PATTERN AND CONNECTOR OPEN YES YES CAN TRAY BE CLOSED CHECK OPEN
32. r work 1 Ground for Human e Be sure to wear a ground band 1M ohm that is properly to remove any static electricity that may be charged on the body 2 Ground for Work Bench Be sure to place a conductive sheet 1M ohm or copper plate with proper grounding on the work bench or other sur face on which the pick up is to be placed 3 Because the static electricity charge on the clothing does not discharge through the body grounding band do not let clothing to get in contact with the pick up unit INCORRECT CORRECT 1 Grounding band 1M ohm SR 1M ohm 2 Conductive Sheet or Copper Plate NOTE Laser diodes are so susceptible to damage from static electricity that even if a static discharge does not ruin the diode it can shorten its life or cause it to work improperly PRECAUTIONS FOR CHECKING BEAM EMISSION The laser beam of this unit is focused on the reflecting surface of the objective lens in the optical system block Therefore keep your eyes at least 12 inches 30 cm away from the objective lens when the laser diode is ON Operation Check Method for Laser Diode and Focus Search Function When the POWER switch is turned ON after the chucking plate is removed observe the objective lens and confirm that the following operations are performed properly The optical system should be at the lead in area position when it is checked at this time 1 The laser should be at the innermost position after the chucking
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