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TABLE OF CONTENTS 

DESCRIPTION 

         

 

 

 

 

 

 

P A G E 

SERVICE CAUTION…………………………………………………………..3-4

REAR PANEL/FRONT PANEL VIEW………………………………………..5 

SPECIFICATIONS…………………………………………………………6-7 

WIRING DIAGRAM………………………………………………………………8 

  BLOCK DIAGRAM……………………………………………………. …….9-13

 ALIGNMENT PROCEDURE........................................................14 

  SCHEMATICS……………………………………………………………....15-18 

 PCB LAYOUT……………………………………………………………….19-22

TROUBLE SHOOTING GUIDE…………………......................................23 

ELECTRICAL PARTS LIST…………………………………………….24-33 

EXPLODED VIEW……………………………………………………………..34 

EXPLODED VIEW PARTS LIST……………………………………………....35 

Summary of Contents for C355BEE

Page 1: ...NAD SERVICE MANUAL C 355BEE STEREO AMPLIFIER C 355BEE STEREO AMPLIFIER ...

Page 2: ...UTION 3 4 REAR PANEL FRONT PANEL VIEW 5 SPECIFICATIONS 6 7 WIRING DIAGRAM 8 BLOCK DIAGRAM 9 13 ALIGNMENT PROCEDURE 14 SCHEMATICS 15 18 PCB LAYOUT 19 22 TROUBLE SHOOTING GUIDE 23 ELECTRICAL PARTS LIST 24 33 EXPLODED VIEW 34 EXPLODED VIEW PARTS LIST 35 ...

Page 3: ...PACITOR BETWEEN A KNOWN GOOD EARTH GROUND WATER PIPE CONDUIT ETC AND THE EXPOSED METALLIC PARTS ONE AT A TIME MEASURE THE AC VOLTAGE ACROSS THE COMBINATION OF 1500 OHM RESISTOR AND 15 MFD CAPACITOR REVERSE THE AC PLUG AND REPEAT AC VOLTAGE MEASUREMENTS FOR EACH EXPOSED METALLIC PART VOLTAGE MEASURE MUST NOT EXCEED 75 VOLTS R M S THIS CORRESPONDS TO 0 5 MILLIAMP AC ANY VALUE EXCEEDING THIS LIMIT CO...

Page 4: ...ncluding Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical Es devices are integrated circuits and some field effect transistors and semiconductor chip components The following technique...

Page 5: ...INPUT TAPE MONITOR 16 RS 232 INPUT 17 PRE OUT 1 18 ON OFF POWER AC SWITCH 2 LED 5 1 2 3 11 5 7 9 10 4 6 8 11 SPEAKERS A B 16 14 1 2 3 4 18 5 6 7 8 17 9 10 12 11 15 13 ...

Page 6: ...er per channel 8 ohms 160 W 20 4 dBW 4 ohms 220 W 22 0 dBW 2 ohms 270 W 23 2 dBW Damping factor 100 ref 8 ohms 1 kHz Input Impedance R 20 kohms C 1 nF Input sensitivity for rated output into 8 ohms 950 mV Voltage gain 29 dB Frequency response 20 Hz 20 kH 0 1 dB Signal Noise ratio A weighted 100 dB ref 1 W 119 dB ref 50 W THD Noise 0 02 Total Harmonic Distortion 20 Hz 20 kHz from 250 mW to rated ou...

Page 7: ... re 500mV Frequency response 20 Hz 20 kHz 0 1 dB tone defeat on 0 2 dB tone defeat off THD Noise SMPTE IM 0 01 at 5 V out LINE LEVEL OUTPUTS Pre amp output impedance 80 ohms Tape output impedance Source Z 1kohms Maximum output level pre amp out 11 V Tape out 10 V CONTROLS Treble 5 dB at 10 kHz Bass 8 dB at 100 Hz IR IN and OUT Input Resistance 10 kohms Input Voltage Min 5 V Output Resistance 30 oh...

Page 8: ... 5 B C 6 2 G W A 8 6 4 2 L U 8 1 G W A 2 7 6 1 L U 4 1 G W A 2 7 6 1 L U CB52 CB58 CB54 UL3266 AWG 18 1 5 B C 6 2 G W A 8 6 4 2 L U 3 7 Z C 3 7 B C 6 2 G W A 8 6 4 2 L U 6 2 G W A 8 6 4 2 L U 2 3 B C 4 3 B C UL2468 AWG 26 1 3 B C 5 3 B C 5 7 Z C 1 7 Z C UL2468 AWG 26 6 7 Z C 8 7 Z C 8 7 B C 5 4 Z C H A T E L T U O C A UL1672 AWG 22 CB55 7 5 B C 6 5 B C 9 5 B C UL1672 AWG 18 8 1 G W A 2 7 6 1 L U 7...

Page 9: ...CTION MODULE IC44 RL12 2 ISC CIRCUIT IC43 TL082D TRIG I V MIRROR SOURCE SCR CIRCUIT VOL VOL VOLUME CONTROL CIRCUIT REMOTE MUTE CIRUIT 1 4 K J R467 POSISTOR 80 DEGREE C R439 POSISTOR 90 DEGREE C M A R G A I D K C O L B HEADPHONE TUNER R TUNER L CONTROL CURRENT CIRCUIT CONTROL CONTROL MP R MP L TAPE2 IN L TAPE2 IN R TAPE2 OUT R TAPE2 OUT L TAPE1 OUT R shctiwS yaleR ELUDOM PMA MPAERP DMS TUO SPK A R ...

Page 10: ... 9 1 1 0 1 7 7 Z C 9 B D 0 1 P 1 T S R 9 0 3 P D X R 0 1 1 3 P D X T 1 1 2 3 P 0 T N I 2 1 3 3 P 1 T N I 3 1 4 3 P 0 T 4 1 5 3 P 1 T 5 1 6 3 P R W 6 1 7 3 P D R 7 1 2 L A T X 8 1 1 L A T X 9 1 S S V 0 2 8 A 0 2 P 1 2 9 A 1 2 P 2 2 0 1 A 2 2 P 3 2 1 1 A 3 2 P 4 2 2 1 A 4 2 P 5 2 3 1 A 5 2 P 6 2 4 1 A 6 2 P 7 2 5 1 A 7 2 P 8 2 N E S P 9 2 E L A 0 3 A E 1 3 7 D A 7 0 P 2 3 6 D A 6 0 P 3 3 5 D A 5 0 P...

Page 11: ...AM COUNTER DUAL DPTR INSTRUCTION REGISTER B REGISTER INTERRUPT SERIAL PORT AND TIMER BLOCKS STACK POINTER ACC TMP2 TMP1 ALU PSW TIMING AND CONTROL PORT 1 DRIVERS P1 0 P1 7 PORT 3 LATCH PORT 3 DRIVERS P3 0 P3 7 OSC GND VCC PSEN ALE PROG EA VPP RST RAM ADDR REGISTER PORT 0 DRIVERS P0 0 P0 7 PORT 1 LATCH WATCH DOG ISP PORT PROGRAM LOGIC 11 ...

Page 12: ... A O B Y E K s m h o K 5 s m h o K 5 s m h o K 0 0 4 s m h o K 0 0 4 F u 1 0 F u 1 0 f u 1 0 F u 1 0 F u 0 1 T U P N I V 5 C C V N I 1 T N I 2 T T U O 1 R T U O 2 R N I 2 R N I 1 R T U O 1 T T U O 2 T 2 T 1 T 1 R 2 R 5 1 D N G 1 2 3 4 5 6 7 8 9 0 1 1 1 2 1 3 1 4 1 6 1 V V 1 C 1 C 2 C 2 C V 0 1 o t V 5 r e l b u o D e g a t l o V r e t r e v n I e g a t l o V V 0 1 o t V 0 1 12 ...

Page 13: ...D O C E D SLAVE ADDRESS REGISTER COMPARATOR WORD ADDRESS COUNTER HIGH VOLTAGE GENERATOR TIMING CONTROL EEPROM ARRAY Y DECODER DATA REGISTER Clock DI O ACK 8 5 6 7 4 GND WP SCL SDA Vcc nMOS FUNCTIONAL BLOCK DIAGRAM 1 2 3 4 5 6 7 8 NC NC NC VSS VCC NC SCL SDA 13 ...

Page 14: ...ENT 3 Connect a DC voltmeter toTP1 and TP2 adjust VR22 VR23 for 6mV reading on voltmeter 4 Connect a DC voltmeter toTP3 and TP4 adjust VR12 VR13 for 6mV reading on voltmeter 1 Power on II FINAL ADJUSTMENT Repeat procedure A B and C for the lowest volume level idling current alignment and ISC original level respectively TP1 TP2 TP3 TP4 VR22 VR12 VR301 VR302 MAIN BOARD lowest level C355BEE VR3 TP10 ...

Page 15: ...A 0 1 5 Q 5 1 0 1 A 7 1 5 Q 5 1 0 1 A 8 1 5 Q 5 1 8 1 C 1 2 4 5 B C 7 6 5 R K 0 3 3 V 4 4 V 4 4 1 2 2 5 B C 1 2 3 5 5 B C 3 N O C 1 2 3 6 5 B C 3 N O C 1 3 7 5 B C 3 N O C V 5 5 V 5 5 3 5 C V 0 0 4 F n 7 4 4 5 C F u 3 3 0 1 2 8 5 B C D E R E T I H W n o i s r e V C A V 0 2 1 r o F D R O C R E W O P C A 2 5 W S H C T I W S R E W O P 1 2 3 5 5 Z C 1 2 3 9 5 B C 3 N O C 1 2 3 6 5 Z C 3 N O C 1 0 4 T ...

Page 16: ...D310 1N4148 D311 1N4148 D312 1N4148 D313 1N4148 VOLUME CONROL BY MOTOR BY MOTOR R348 100K R347 100K R341 1M R342 1M R343 1M R339 1M R338 1M R337 1M R346 220K R345 220K R349 1M R351 1M R353 1M R355 1M R357 1M R350 1M R352 1M R354 1M R356 1M R358 1M 1 2 3 4 5 6 7 8 9 CB34 1 2 3 4 5 6 7 8 9 10 11 12 CB31 1 2 3 4 5 6 7 8 9 CB32 LOW NOISE AMP 1 2 3 4 5 6 7 8 9 CB33 OUT MODULE MF MF ON OFF OFF ON TO CZ7...

Page 17: ... 8 6 4 4 R 0 8 6 8 4 R 0 8 6 4 4 C V 3 6 u 0 2 2 4 1 4 C V 5 3 u 0 2 2 3 4 Q 5 1 8 1 C 6 4 C p 2 2 0 1 4 R 0 8 6 8 4 C V 5 2 u 0 1 C410 47u 25V 2 1 4 R K 2 2 4 Q 0 2 2 1 A S 2 4 4 Q 5 1 0 1 A 1 1 4 C F u 1 0 2 1 4 C u 1 0 8 2 4 R 2 K 2 9 2 4 R 1 K 5 F M F M V 8 1 V 8 1 1 0 4 R 7 K 4 3 0 4 D 8 4 1 4 N 1 Y B D N A T S 3 4 4 C F u 1 0 1 4 C F u 1 0 V I T E D C A G I R T C S I V 5 5 V 5 5 1 2 4 Q 5 1 ...

Page 18: ... p 0 0 1 0 6 7 C F u 1 0 1 0 7 P T 5 6 7 R 0 1 6 6 7 R K 7 4 7 6 7 R 0 1 0 1 P 1 T S R 9 0 3 P D X R 0 1 1 3 P D X T 1 1 2 3 P 0 T N I 2 1 3 3 P 1 T N I 3 1 4 3 P 0 T 4 1 5 3 P 1 T 5 1 6 3 P R W 6 1 7 3 P D R 7 1 2 L A T X 8 1 1 L A T X 9 1 S S V 0 2 8 A 0 2 P 1 2 9 A 1 2 P 2 2 0 1 A 2 2 P 3 2 1 1 A 3 2 P 4 2 2 1 A 4 2 P 5 2 3 1 A 5 2 P 6 2 4 1 A 6 2 P 7 2 5 1 A 7 2 P 8 2 N E S P 9 2 E L A 0 3 A E...

Page 19: ... 15 WR P3 6 16 RD P3 7 17 XTAL2 18 XTAL1 19 VSS 20 P2 0 A8 21 P2 1 A9 22 P2 2 A10 23 P2 3 A11 24 P2 4 A12 25 P2 5 A13 26 P2 6 A14 27 P2 7 A15 28 PSEN 29 ALE 30 EA 31 P0 7 AD7 32 P0 6 AD6 33 P0 5 AD5 34 P0 4 AD4 35 P0 3 AD3 36 P0 2 AD2 37 P0 1 AD1 38 P0 0 AD0 39 VDD 40 P1 1 2 P1 2 3 P1 3 4 P1 4 5 P1 5 6 P1 6 7 P1 7 8 IC73 AT89S52 C1 1 V 2 C1 3 C2 4 C2 5 V 6 T2OUT 7 R2IN 8 R2OUT 9 T2IN 10 T1IN 11 R1...

Page 20: ...J90 R364 C335 C336 7 2 3 C 3 0 3 R V J97 J94 1 3 1 C R387 C349 6 9 J J139 C345 3 9 J 1 4 J R385 R383 R366 1 1 B C R14 8 3 1 J J129 6 1 C 5 1 C R11 R15 C17 4 0 3 R V 1 1 C R12 J155 R398 J26 J28 1 H 4 6 J 9 3 J 3 4 J 9 1 1 J V 2 1 C362 2 4 3 C C326 2 3 B C R392 R346 7 5 J R12 2 R419 R421 D411 J104 D102 D103 Q47 Q46 Q45 Q48 1 D N G J154 J159 Q117 Q217 R162 R262 Q118 Q218 R263 R168 C123 C128 R167 R165...

Page 21: ... J E U L B C51 V 0 5 2 L A 3 6 T V 0 5 2 L A 3 6 T J518 J54 D51 F52 H502 D56 R544 1 3 5 D 2 3 5 D Vm1 0 D E R CB51 J53 V 0 5 2 L A 3 6 T V 0 5 2 L A 3 6 T F54 C52 F53 D55 NAD C355BEE POWER BOARD H501 To Power Switch Q517 J57 J52 Q520 8 5 5 R 3 6 5 R 6 6 5 R PCB 2 POWER BOARD Vm1 0 4 6 5 R Q519 Q518 J513 5 5 B C 5 6 5 R d r o c C A o T 9 5 5 R 0 6 5 R CB56 COPYRIGHT C 2007 NAD ELECTRICS 7 5 B C CB5...

Page 22: ...9 R781 0 1 m V D R A O B 2 3 2 S R 8 B C P R773 R775 R774 J718 0 1 m V D R A O B Y B D N A T S E E B 5 5 3 C 0 1 m V D R A O B Y B D N A T S 9 B C P CZ73 S711 D717 1 7 E N O H P C760 1 0 7 P T R767 R787 5 7 Z C C759 C758 3 1 7 Q 8 1 7 Q R768 R769 PROTECTION SPK A SOFT 1 2 7 J SPK B 7 1 7 Q VOL 5 9 7 R 4 4 7 J VOL 7 7 S 2 5 7 R 7 7 D 5 4 7 R J723 R753 C719 R746 5 2 7 J C765 J726 J719 8 1 7 C R761 4...

Page 23: ...5 R19 C13 R121 C12 Q101 R154 C19 C18 Q14 Q103 R172 Q18 Q16 C103 R103 R102 R119 R101 D13 D15 R220 C24 R255 R210 R212 AMP SMD L BOARD Vm3 0 C224 R269 L22 R223 Q23 R204 R222 R205 R206 D24 D26 Q202 Q25 C29 Q204 Q27 C204 R273 Q29 CZ21 Q22 R259 R249 R211 R215 R29 C23 C22 R221 Q201 R254 R216 C28 Q24 Q203 R272 Q28 Q26 C203 R203 R202 R219 R201 D23 D25 TOP VIEW PCB 4 AMP SMD L BOARD VM3 0 BOTTOM VIEW PCB 5 ...

Page 24: ...2V SUPPLY NORMAL YES THE UNIT WORK NORMALLY YES NO YES NO YES NO YES NO LIGHT YES YES CHECK 12V SUPPLY CHECK THE LED CONTROL CIRCUIT Q72 Q73 Q74 LED D717 AND PROTECET CIRCUIT CHECK MCU AND RELAY CONTROL CIRCUIT IS THE OUTPUT DC LEVEL NORMAL ARE ALL POWER SUPPLIES OK CHECK THE POWER SUPPLIES CIRCUIT YES NO YES IS THERE SIGNAL OUTPUT NORMAL ARE THE TWO MODULES NORMAL CHECK THE TONE CIRCUIT YES NO IS...

Page 25: ...00 6 2p 1KV 10 C45 C46 05 22013 02 22p 1KV 5 C365 05 68013 00 68p 1KV 10 C31 C32 C33 C34 C35 C36 C37 C38 C39 C304 C305 C310 C311 C312 C313 C314 C315 C316 C317 C318 C363 C364 05 10113 01 100p 1KV 10 C302 C303 05 22113 01 220p 1KV 10 C112 C113 C212 C213 05 47113 00 470p 1KV 10 C362 24 10312 00 10n 100V 20 C120 C220 24 22312 04 22n 100V 10 C123 C223 C3 C41 C443 24 10412 01 0 1uF 100V 20 C432 24 22412...

Page 26: ... 10821 50 820R 1 6W 5 RI2 R147 R160 R161 R162 R163 R167 R168 R247 R260 R261 R262 R263 R267 R268 R406 R407 07 10102 50 1K 1 6W 5 R403 R405 R474 R476 07 10102 51 1K 1 4W 5 R422 R423 R424 R425 07 10132 50 1K3 1 6W 5 R428 R440 R158 R258 07 10222 51 2K2 1 4W 5 R170 R270 07 10222 50 2K2 1 6W 5 R480 N07 10432 50 4K3 1 6W 5 R482 07 10472 51 4K7 1 4W 5 RI4 R333 R334 R401 07 10472 50 4K7 1 6W 5 R429 07 1051...

Page 27: ... R229 07 30331 00 330R 1 2W 5 R430 R433 07 30102 01 1K 1W 5 R146 R246 07 30182 02 1K8 2W FP 5 R126 R127 R132 R133 R226 R227 R232 R233 07 30332 12 3K3 2W FP 5 R236 N07 50100 20 10Ω 1 4W 5 R136 R137 R237 07 50100 10 10Ω 1 4W FS 5 R151 R251 07 50100 01 10R 1W FS 5 R45 R46 07 50330 00 33R 1 2W 5 FS R130 R131 R230 R231 07 50820 02 82R 1W FS 5 R144 R145 R244 R245 07 40687 03 0 068R 3W CE 5 INDUCTORS L11...

Page 28: ... 61 224516 1 ICT 40160 1LE Plain Washer 63 010408 0 Spring Washer 63 020411 0 CLAMPER 66 001009 0 HS4 C320 B009V1 M012 SECC 81 001004 0 Heatsink with transistors and posistors 02 35500 00 COMPLETE ASSEMBLY Heat Conductive Pad 78 001004 0 Berquist Sil Pad K06 122 NSP Posistor R467 07 70471 08 PTH9M04BF471TS2F333 NSP Posistor R438 07 70471 09 PTH9M04BE471TS2F333 NSP Transistor 31 02690 00 KSC2690AYS...

Page 29: ...8 N31 02881 01 2SC2881 Y DIODES D61 D62 D63 D64 33 44148 11 LL4148 CAPACITORS C63 C64 26 22051 00 22pF 50V 5 NPO C69 C610 26 10151 00 100p 50V 5 NPO C61 C62 26 22151 00 220p 50V 5 NPO C613 C612 26 10251 00 1nF 50V 5 X7R C65 C66 C67 C68 26 10451 00 0 1uF 50V 10 Y5V RESISTORS R615 R616 R617 R618 R619 R620 07 90100 00 10Ω 5 R61 R62 07 90221 00 220Ω 5 R69 R610 N07 94300 00 430Ω 1 R624 R625 N07 90621 0...

Page 30: ...0 00 330 1 R19 R101 R105 R110 N07 93902 00 39K 1 R123 N07 94702 10 47K 1 R121 R122 07 91003 00 100K 1 R102 R104 N07 92203 00 220K 1 CAPACITORS C18 C19 26 39051 00 39pF 50V 5 C12 C124 26 10251 10 1nF 50V 5 C13 C14 06 10031 02 VSS 10uF 35V 20 C103 C104 06 22011 05 VSS 22uF 16V 20 INDUCTORS L12 08 04101 00 100uH CONNECTER CZ11 13 12508 11 S006 CIRCUIT NO PART NO DESCRIPTION DIODES D717 33 50525 00 5 ...

Page 31: ... center needle CB57 13 23903 01 13 23903 11 VH 3 96A 3A delete the center needle CB51 13 23907 10 13 23907 00 VH 3 96A 7A CB53 CB47 N14 35507 00 SCN 2 5A 7D needles XHB 2 5A 7Y plug 26AWG UL2468 white 230mm length 80mm shrink tube METAL PARTS Heatsink 70 004003 1 HS4 C350 B009V1 M009 SELF TAPING SCREW 61 083515 0 IW 30150 1HE NUT 62 010302 0 M3 LINKS J52 J57 J513 21 06000 00 L 5 J516 21 06000 00 L...

Page 32: ...R702 R73 R762 R763 R764 R770 R771 R772 R773 R774 R775 R778 R784 R785 R794 R795 07 10103 50 10KΩ 1 6W 5 R779 R780 R781 R782 R783 R786 R787 R793 07 10103 51 10KΩ 1 4W 5 R730 07 10153 50 15KΩ 1 6W 5 INDUCTORS L71 08 01101 01 100uH 20 SWITCHS S71 S72 S73 S74 S75 S76 S77 S79 S710 11 04101 05 Tact Switch CONNECTERS PHONE71 17 02001 02 SCJ340R0GBS0B00 CB73 13 22505 00 XHB2 5A 5A TP701 CHASSIS 14 32501 12...

Page 33: ...355 B009V1 M002B END CAP R N70 091003 1 HS4 C355 B009V1 M003B TOP COVER 67 019004 4 HS4 C352 B009V3 M004 CHASSIS N66 091001 1 HS4 C355 B009V1 M007B Spacer N69 091002 0 HS40 M B009V1 M012 SUBFASCIA 66 091002 0 HS4 C355 B009V1 M008 PCB SUPPORT 2 66 019004 0 HS4 C352 B009V1 M014 SECC 81 001002 0 BASE COVER 66 001004 1 HS4 C320 B009V1 M004 B TRANS DISC 66 001008 0 HS4 C320 B009V1 M020 SECC 81 001002 0...

Page 34: ...Taping Screw 61 082204 6 BTPW2 6 4 Self Taping Screw 61 073108 0 STO3 8 Self Taping Screw 61 023206 0 BTB3 6 Bolt 64 108050 0 M8 50 Nut 62 010802 0 M8 Spring Washer 63 020820 0 8mm CONNECTERS 14 31502 12 VH 3 96A 3Y delete center needle plug 18AWG UL1672 red blue 190mm length CB59 AC OUTLET AH 14 31502 12 VH 3 96A 3Y delete center needle plug 18AWG UL1672 red blue 190mm length CB56 Power Switch N1...

Page 35: ...ete assy S011 S010 31 C005 Ͷͷ Ϳ Ͳ Ϳ ΖΤΔΣΚΡΥΚΠΟ ΥΪ C003 66 001010 0 THANSBracket 1 C004 67 091003 0 Shielding Box 1 C005 18 35515 20 Transformer C 1 C006 66 001008 0 TRANS Disc 1 C007 94 001004 2 Transformer Label 1 S009 64 108055 0 M8X55 BOLT 1 S010 63 020820 0 F 8 Spring Washer 2 S011 62 010802 0 M8 Nut 2 S012 63 010816 0 F 8 Plain Washer 1 All above parts must be ordered when replacing the main ...

Page 36: ... Cap L 1 S002 61 023108 0 STB3X8 Self Taping Screw 4 F007 77 062002 1 Power Button Bezel 1 S003 61 023506 0 MB3X6 Machine Screw 8 F008 77 062001 1 Led Lens Bezel 1 S004 61 084108 0 STPW4X8 Self Taping Screw 8 F009 76 062001 0 Led Lens 2 S005 61 023208 0 BTB3X8 Self Taping Screw 21 F010 74 076002 1 Power Button 1 S006 61 023206 0 BTB3X6 Self Taping Screw 6 F011 76 076001 0 IR Lens 1 S007 61 082204 ...

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