SER VICE MANUAL
Contents
1. R162 D101 6126 9 lt 4 cis 18V 39K MF 5 220uF 63V SUPPLY CIR 041 T xv IR119 IR12 1 R427 2SC2690 R45 ag 82 MF 5 leke P BtW FP RZ EIS kdo ha E I Ra ues iuas Rs show pes 0 Dis 470 100V 20 d 22 amp ys 1 paid pM ril E cus pore 8 ew gue 1 m bay Kreis HH M die ezu gt p15 5 th gt LES 5 yo Uros Ge satu lus ey od READ uy cac 117 50 RCH RT ma H 854 121 LM 200 c129 5 I D11 0683W CE 22n 10 T 3 100K MF po 47V 111 C119 R12 0 1uF 63 Tu 25V 220 1 R123 m Ou gt R410 cw 28 A1015 220u 63v SE m a Ape E cas A101 C1815 2 ios T CIII NI R145 BE2. o CB 2 dl pi very ca u Soo amp o o 8 stile O O 2959 S ERES i Wo 8 8 81 55 5 TWO zro q i S3 5 1 28 le E 978 gt 5 seru lsoeo ge g Lp af LL tor 2 ST Q a 5 o ano 8 3 ST levy 21 SS ES L B 21 5 n I 0 E am Gite Ae m 8 8 ege 8 566 SE S 5 a N ere a 9 gt d 8 lero 80 gt 8 6 sr U Slip 38 JA Q tro E Coli 5 38 ust LEO 0 DERE et ete ope Teen ozro z uva Try N 07 5 sory Se 8 mr 8 I L C e BE Ho ER 28 T4 48 osr ere gt O m er
3. 5B OUT CB31 C325BEE RELAY CONTROL CIR TAP1 m DISC 9 2 8 TUNER gt AUX z VIDEO CD 037 038 D39 D310 D311 D312 D313 0316 12V N 2 14148 1 4148 184148 1N4148 1N4148 1N4148 1N4148 1N4148 T ROUT 5 1 ZN RL39C RI5 10K TO CZ72 RCA32C 4 1 4 7 1 RI1 10K RI 40K PHONE1B R37 RL32C RL33C RL35C RL36C RL37C RL38C RI7 9 30 5 TRIN fa RL35B 1M Je RCA33A 5 C325 Q M C325BEE TONE CONTROL CIR z 47 25 R325 390 RI3 R329 33 IROUT C321 R321 Ke 0 10 BK3 ME ca 2n 5 63V if R2 z 10 5 S PHONE2 o R363R361 lez E Bo m 51 C CC gt Z u 52 6 7 C3 p 1ul lt BEI o lt Gi mg 1 559 k 12V Trigger pSr 1559 C337 C345 C319 R319 R323 Bor 5 94 R335 N I 750 MR 5 9 K363 58 fs 68 1 0 1u 10 153 459 C343 LL L PRE OUT 1u 5 pura 63V BE 3H 220p R331 C339 C341 R333 R327 390 116 47025 mE 100pF 180 swat i I C349 ML
4. PCB 6 OUT MODULE Vm1 0 COPYRIGHTOC 2006 NAD ELECTRONIC NAD C325BEE N MODULE BOARD Vm1 0 R613 R614 767 oan ginis Q64 R616 2 51 C66068 2 06 16 TT R641 Q65 S Q63 E m TE 9107 0 R620 5 gt 9 We Sec or R67 R563 R R5 R565 F54 C52 F53 CB51 BLUE RED Q F51 51 F52 Ko 5 Q59 Q510 OS dq WT Sore O50 lt O lt zoz N fu T500MAL 250V 0517 0520 05190518 55 D55 u f P pr J514 46V J512 GND o 3 J518 J54 J58 F55 J517 II 555 919 UT n Thansformer CB57 To AC Outlet CB59 To Power SwitcH CB56 WHITE C53 x 46V 46V J520 CB54 IL 58 1519 GND WHITE RED 46V _ 46V CB 52 2 C517 ia N LV T 0513 4 37V C524 21 PCB 3 KEY BOARD Vm1 0 R762 5 c bor a gt K C325BEE HEADP Vm1 js 9729 PCB 10 HEADPHONE BOARD Vm1 0 x LC 70 9 N o 22
5. E 2 gt 5984 2 L gt H aos Rour IRIN 9 58 55555885 z sa vas CIRCUIT CIRCUIT 565 55855555 5 gt gt s LE 8 IR Flash Mute Flash Remote Mute Flash CONTROL CIRCUIT CD4094 KEY BOARD TL082D MAIN BOARD IC74 amp IC75 gt gt D Q D Q 2 cL cL CLOCK x TR STROBE OUTPUT ENABLE PIN CONFIGURATION VDD OUTPUT ENABLE Q5 Q6 Q7 Qs Q s Qs 3 STSTE IC41 amp IC42 amp IC43 OUTPUT A INVERTING INPUT A NON INVERTING INPUT A 11 V CL SERIAL D 8 CL STAGES 3 7 TR LATCH TR VDD 3 STATE vss 8 ALLINPUTS PROTECTED BY CMOS PROTECTION 5 5 i gt Q3 04 05 Q6 Q7 Q8 V 7 OUTPUT B 6 INVERTING INPUT B 5 NON INVERTING INPUT B uPC1237HA MAIN BOARD IC44 8PIN PLASTIC SLIM SIP T ICS BLOCK DIAGRAM VCC lL VCC ON Overload Detector MUTE 2 5 a Output Offset Detector AC OFF detector Switch for latch automatic reset GND 12 24C01 KEY BOARD
6. L Y 91 0 FIG n 09 C _ H a 29 gt SOK Sg 9 5 lt RED gt mA D E tu a BE 3 TOY x 56 N 50 LAN 00 O amp A z 0 ZO guar 1 5 5 zuo a gua nee x C ICI E gt 8 sua muri a 5 6 067 OB p a 5 p P 4 O m E Se L 26 662 92 9 2 7n I a 9279 5 5 O 8 Eer elf x gr gZr a a E apna I P mST E qe 2 a 575 N OZ 80 4 0L L LV b Ci vida Cz73 O 578 0149 t 4 1 ES 9 Ne gLAr vif s 99 x 034 85 lt O 8979 a gedit esy Q Oi Y 6944 gt D O e gt TTF wf 912r a 2 lt m 25 STANDBY BOARD Vm1 0 PCB 5 AMP SMD R BOARD Vm1 0 PIN 01 32520 02 TOP VIEW BOTTOM VIEW C325BEE AMP SMD C104 Q18 C103 itt zB 81 lieu A se Q13 Bag q
7. CIRS 200 1422 ha AMP SMD L Vm1 204 Q29 Q28 C203 vy A oka E XC n5 205 C29C28 Q203 af II IC Tr 3r XL IL loo qz x 26 sf II I 4 3 d m JF 1 IIL Q23 x IL dun LA eee _ 8259 USES OZ PCB 4 AMP SMD L BOARD Vm1 0 PIN 01 32520 01 TOP VIEW BOTTOM VIEW TROUBLESHOOTING GUIDE PUSH THE POWER SUPPLY CHECK THE AMBER LED CONTROL SWITCH TO ON CIRCUIT Q72 Q73 Q74 LED717 CHECK 12V SUPPLY 1 YES ISTHE AMBER LED AMBER IS IT RED No IS IT GREEN No CHECK THE 5V SUPPLY CIRCUIT LIGHT ON POWER BOARD YES YES CHECK THE LED CONTROL CIRCUIT Q72 Q73 Q74 LED717 AND PROTECET CIRCUIT PRESSING ANY KEY NO 5 CHECK THE POWER SUPPLIES WES THE UNIT WORK NORMALLY ARE ALE POWER SURPHES OK CIRCUIT YES M M0 ES ISTHE ABMER LED GREEN ISTHESTANDBYSINGALLOW TES CHECK THE PROTECT CIRUIT YES NO CHECK THE STANDBY CONTROL CIRCUIT YES SOME KEYS IS USELESS CHECK THE KEYS CONNECTION INO
8. 5 o Boze oN aos Se 25 O IRIN 1 PHONE2 te be ko IL P 197 QU _ 35C5V 236 BOARD Vm2 0 PCB 1 20
9. I 1 1 1 1 1 1 1 1 TRIG ly E 1 TAPE1OUTL 1 1 TAPE2 IN L 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 TAPE2 OUT LI ISC CIRCUIT IC43 TL082D CIRCUIT R467 R439 POSISTOR POSISTOR 80 DEGREE C 90 DEGREE C POWER AMP CIRCUIT L MANNR T RLt22 t F1AA012V Speaker R Speaker L 1 T Ka 1 POWERAMP 1 CIRCUIT R 1 INVHOVIG MOO 18 MICROPROCESSOR CONNECTION DIAGRAM 10 2 5 gt 68 LI 5 E 3 65 gt 7 44 18 og z Lid er dxDred 914 8T Input selection I 7 Keys TTVIX mu t 9 OINDTEd Tid Er 9 TIa INIV sd OIdONIV 7 7 Led z 8 8 EZ Er 18V Power Supply LI 7 zl Circuit 1 T 5 4 iet 58 T a 5 x ON SA 5 5 m
10. 114 115 118 214 C215 C218 C411 C412 25 10461 01 0 1uF 63V 10 C17 C27 C322 C321 C345 C346 C337 C338 25 10461 06 0 1uF 63V 10 C319 C320 C331 C332 25 22461 02 0 22uF 63V 5 bm 52216422 25 10561 02 1u 63V 5 C339 C340 06 10951 08 1uF 50V 20 C421 C417 C418 06 47951 00 4 7uF 50V 20 C301 C48 C415 C416 C419 C425 C426 C428 06 10051 00 10uF 50V 20 C429 C430 431 446 C11 C21 06 10051 08 10uF 50V 20 C12 1 110 111 210 211 323 324 47 06 47021 00 47uF 25V 20 C49 C410 12 1 110 111 210 211 323 324 C47 06 47021 08 47uF 25V 20 C49 C410 C325 C326 C341 C342 06 47021 06 47uF 25V 20 C325 C326 C341 C342 06 47021 09 47uF 25V 20 C420 C445 06 10111 00 100uF 16V 20 C125 C126 C225 C226 100uF 63V 20 N 1 C413 C414 06 22131 00 220uF 35V 20 2 06 22161 00 220uF 63V 20 C422 06 33111 01 330uF 16V 20 C444 06 47211 00 4700u 16V 20 RESISTORS R169 R269 07 91204 02 1M2 9 196 R385 R386 07 10189 50 1R8 1 6W 5 R2 07 10100 50 10R 1 6W 5 R494 07 10120 50 12R 1 6W 5 R142 R143 R242 R243 07 10220 51 22R 1 4W 5 07 10330 50 33R 1 6W 5 107 108 207 208 07 10390 51 39R 1 4W 5 R335 R336 07 10680 51 68R 1 4W 5 R14 R24 R416 R417 R418 R419 07 10101 50 100R 1 6W 5 RI7 07 10331 50 330R 1 6W 5 R138 R238 0
11. osin ezo J 99za 9914 2918 M HH Ser ano agoer 9924 SOS 129 eio 3 C9 E NST q i 5029 ind poo Daen 5 57 5 rp eo 9929 CH 1110 8 8 9110 AL 0 uy 5 o 861 x 6 ano Lir 2929 zo 8 C9 2 24 enr 5 ecu SNINIGATSIF ai im mE m XL los IE gt S zee Horey ted gt errem 691 tsir ev or 20 7 ca ONS Sir e ite 6 Cam 624 ero sa 8 4 202 970 SS so CY sees 88 be Cas self ye Lr or ras gt Ef do 750 6069 oseu o lex eerr S isu 5 Tre rn ca 2 j 8 8 eset 5 9 4a Dn 120 AL e Tees bad Er 0229 a Le 6 _ 8 5 Tl Als eeu 33 9323 s 21 728 0917 i ES r e 9 SA A Hh osir sr E EA o ey a 120 vr WET Les 2 QD EE zs lt s 2 Ib gi I 1 oer EZd 909 L J SoZ p
12. 2 Do not spray chemicals on or near this A V Receiver or any of its assemblies 3 Unless specified otherwise in this service data clean electrical contacts by applying an appropriate contact cleaning solution to the contacts with a pipe cleaner cottontipped swab or comparable soft applicator Unless specified otherwise in this service data lubrication of contacts is not required 4 Do not defeat any plug socket B voltage interlocks with which instruments covered by this service manual might be equipped 5 Do not apply AC power to this A V Receiver and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 6 Always connect test instrument ground lead to the appropriate ground before connecting the test instrument positive lead Always remove the test instrument ground lead last Insulation Checking Procedure Disconnect the attachment plug from the AC outlet and turn the power on Connect an insulation resistance meter 500V to the blades of the attachment plug The insulation resistance between each blade of the attachment plug and accessible conductive parts Note 1 should be more than 1M ohm Note 1 Accessible Conductive Parts including 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 Sensi
13. R478 Raro R489 R490 R491 07 10104 51 100K 1 4W 5 R438 R493 07 10184 51 180K 1 4W 5 R12 R22 07 10224 50 220K 1 6W 5 R457 R345 R346 07 10224 51 220K 1 AW 596 R483 07 10274 51 270K 1 AW 5 R451 07 10334 51 330K 1 4W 596 R435 07 10394 51 390K 1 4W 596 RGR 07 10474 51 4 1 4W 5 R257 R337 R338 R339 R341 R342 R343 R349 R350 R351 R352 R353 R354 07 10105 51 1M 1 4W 5 R355 R356 R357 R358 R394 R395 R327 R328 07 20181 51 180R 1 4VV 596 R325 R326 07 23900 51 390R 1 4W 1 R331 R332 07 23900 50 390R 1 6W 1 R139 R239 07 24120 51 412R 1 4W 1 R383 R384 R391 R392 07 25600 50 560R 1 6W 1 R323 R324 07 27500 51 750R 1 4W 1 R329 R330 07 21501 50 1K5 1 6W 1 R412 07 20202 51 2K 1 AW 5 R414 07 20222 51 2K2 1 4W 5 R321 R322 07 20332 51 3K3 1 AW 5 R363 R364 07 20513 50 51K 1 6W 5 R389 R390 07 20106 50 1 6W 5 R150 R250 07 30109 01 1R 1W 596 R124 R125 R224 R225 07 30339 0 3R3 1 2W 5 R427 07 30220 1 220 1W 5 R452 R453 07 30221 3 220 0 2W 5 R128 R129 R228 R229 07 30331 0 330R 1 2W 5 R146 R246 07 30182 02 1K8 2W FP 5 R126 R127 R132 R133 R226 R227 R232 R233 07 30332 2 3K3 2W FP 5 R136 R137 R236 R237 07 50100 10 100 1 4W 5 R151 R251 07 50100 01 10R 1W FS 596 R45 R46 07 50330 00 33R 1 2W 5 FS R130 R131 R230 R231 07 50820 02 82R 1W FS 596 R443 07 50151 00 150R 1 2W
14. SHIELDING IC71 173 1 576 573 lpod IN ve i V bo oF 584 STAN 2 RSTVPP V y TAPE2 VIDEO L I P3 0 RXD PL7 sg ICZ75 SDA 4 P3HTXD 16 7Pz1 877 875 572 CB74 24C01 SCALE C I6P20 E ET Sco 5 34 ees 4 C325BEE STANDBY BOARD Vm1 0 L 6 P3 INTO PL2 15 DISC TUNER PCB 8 STANDBY BOARD Vm1 0 1 p33qNTH mn P02 1 TO MAIN BOARD CB35 8 13601 1 Su gm P34 AINDPLI Spor 874 S78 STANDBY Ta 5 AINOPLO 8 GND P37 8 TAPET 0710 POWER PROTECTION IND z 4 1 Sy HK AT89C4051 RED GREEN D717 1N4148 C79 513AW D711 27p 27 I 2758 R757 R756 2v 1N4148 ok T ay D714 IN4148 5V I 1 1 Nat R727 1N4148 72 R726 759 R725 TAPE1 I em b tu 20 20 20 DISC 2 0713 TAPE2 3 1M4148 8 TUNER gt 73 71 76 D72 D74 77 75 D716 AUX 1 ole 4 NZVIDEO Ux 4 NZTAPE 2 NZIUNER w ZTAPE 3 ISC SZ GREEN VIDEO A GREEN M GREEN GREEN Y GREEN GREEN AMBER gt CD 2 0715 1 75 m ow Yaw 12V 1N4148 4094 ii GOS C 4094 IR OUT 5 d 2 VIDEO TRIN R71 R72 2 55 85555555 330 470 e C714 C715 C716 C717 C718 C719 C720 C721 6276 0718 10n 79 10 10 10 C711 ton a712 10 Q713 10n Q714 10n Q715 10 0718 TO CB31 1N4148 5V AADS C1815 C1815
15. 220p PREAMP IN OUT MODULE BOARD Vm1 2 PCB 6 7 OUT IN MODULE BOARD Vm1 0 065 Q63 A970 ces A970 0 1u 20 Re8 0 1u 20 R67 Q67 HK 0667 1K D667 CZ61 18V 220p 3 HN LNF R616 R620 R615 4 4 Q62 Q61 g OND R621 R62 33 10 RET SITO 33 6 220 220 RIN R64 g BOUT 11C611 1M 1M 4 4 9 18V R610 R69 4 430 2 R61 430 2 R61 Re1d D64 10 D62 10 I 19 Note C611 is 43pF ON IN MODULE Treo NET 75pF ON OUT MODULE C67 B647 647 0 1u 20 eS D R614 0 1u 20 R613 10K 10K 16 SCHEMATICS DIAGRAM 1 4 AMP CIRCUIT Vm14 BAORD Vm2 0
16. 32515 10 TD 120 0150G METAL PARTS Busbar 69 065001 0 T2Y2 T 1mm Heatsink SMALL1 70 065001 0 ALU 6063 BLACK 33 Heatsink SMALL2 70 065002 0 ALU 6063 BLACK Machine Screw 61 022510 5 MB2 5x10 Machine Screw 61 022514 5 MB2 5x14 Nut 62 010202 5 M2 5 RIVET 61 382003 5 GB975 86 2 5x3 CONNECTERS VH 3 96A 3Y delete center needle plug 14 32502 23 18AWG UL1672 59 OUTLET AH red blue 180mm length VH3 96A 3Y delete A center needle plug 18AWG 14 32502 33 UL1672 CB56 POWER SWTICH red blue 160mm length 15 02251 20 N WBO01HS 001 AC CORD C 15 10121 10 N WBO05HS 001 AC CORD AH 15 02251 30 N 2GTJ1 AC CORD CCC 17 07002 10 N JY0647A AC Outlets AH RF 1003 BB2 10A 11 01101 03 ee SW52 NOTES AH C TRANSFORMER TD 120 0150L TD 230 0150C AC CORE WB05HS 001 WB01HS 001 34 EXPLODED VIEW 35 66 065001 0 66 001004 1 75 010004 0 78 001002 0 EXPLODED VIEW PARTS LIST REF NO PART NO DESCRIPTION ES Chassis Base Cover Foot Foot Pad REF NO PART NO DESCRIPTION Fr 01 32503 00 74 065001 0 92 048001 0 01 32508 00 KEY BOARD ASSY Power Button Spring For Button Standby Board Assy 01 32501 10 Main Board Assy AH 01 32504 00 Board Assy 01 32501 20 Main Board Assy C 01 32505 10 IPower PCB AH 01 32505 20 Power PCB C 70 065003 0 66 001009 0 66 001010 0 67 003006 0 18 32515 10 18 32515 20 66 001008 0 94 001004 2
17. 75 065001 0 71 065002 0 66 065002 0 77 001007 1 77 065001 0 74 001001 1 73 014001 1 73 014002 1 77 001001 1 76 003001 0 76 001001 0 76 001002 0 74 047001 0 74 001008 0 01 32509 00 01 32507 00 Heatsink Clamper Transformer Bracket Shielding Box Transformer AH Transformer C Metal Disc Transformer Label PCB Spacer Fascia Subfascia Power Button Bezel Input Button Lozenge Tone Button Tone Knob Volume Knob Tone Control Lozenge LED Lens IR Lens LED Lens Trio Buttons Quad Buttons IPOD BOARD PCB IR BOARD ASSY 67 065001 0 67 065002 0 11 01101 03 17 07002 10 84 001002 0 15 02251 20 15 10121 10 30 63200 00 67 065004 0 61 023106 0 61 023208 0 61 023108 0 61 224516 0 63 010410 0 63 020411 0 61 022206 6 61 022204 6 64 108050 0 63 020820 0 62 010802 0 61 084108 0 61 023206 0 Rear Panel AH Rear Panel Rocker Switch AC Outlet AH Relief Bushing AC CORD AC CORD AH Shorting Plug Self Taping Screw STB3X6 Self Taping Screw BTB3X8 Self Taping Screw STB3X8 Machine screw HM4x16 Plain Washer 4 Spring Washer 4 Self Taping Screw BTB2 6X6 Self Taping Screw BTB2 6x4 Bolt M8x50 Spring Washer 8 Nut M8 Self Taping Screw STPW4x8 Self Taping Screw BTB3X6 PROTECT IC CHANGE 220k 1015GR R17 100k D12 1N4148 R22 820k Q17 25 8 5 Protect Module 1 This Protect Modu
18. IC71 PIN CONFIGURATION MCL 1 lt f VCC NCL 2 NC NC 3 6 SCL VSS 4 SDA FUNCTIONAL BLOCK DIAGRAM HIGH VOLTAGE GENERATOR TIMING amp CONTROL CONTROL LOGIC A Y DECODER gt DATA REGISTER AT89C4051 KEY BOARD IC73 Pin Configuration Block Diagram PDIP SOIC TRE RST VPP 1 We 20 GND RXD P3 0 2 19 p1 7 TXD P3 1 3 T8 P1 6 XTAL2 4 17 1 5 XTALI 5 16 P1 4 INTO P3 2 6 15 p1 3 INTI P3 3 7 14 P1 2 TO P3 4 8 13 P1 1 AINI 1 P3 5 9 12 P1 0 AIN0 GND 10 11 P3 7 RST ADDR REGISTER PASH B REGISTER TIMING AND CONTROL PROGRAM ACC STACK ADDRESS POINTER REGISTER BUFFER PC INCREMENTER TMP2 ALU INSTRUCTION REGISTER ANALOG PORT 1 PORT 3 LATCH COMPARATOR EMEN PORT 1 DRIVERS PORT 3 DRIVERS INTERRUPT SERIAL PORT AND TIMER BLOCKS PROGRAM COUNTER DPTR 1 0 17 P 3 0 P 3 5 P 3 7 14 ALIGNMENT PROCEDURES INITIAL A LOWEST VOLUME ADJUSTMENT 1 Tune the volume pot to lowest state 2 Input a high voltage signal such as 5V from CD input 3 Connect a oscilloscope to L channel binding posts 4 Observing the oscilloscope adjust VR301 make the output of speakers be
19. POTENTIAL HAZARDS AND INJURY TO THE USER WHILE SERVICING USE AN ISOLATION TRANSFORMER FOR PROTECTION FROM AC LINE SHOCK SAFETY CHECKS AFTER THE ORIGINAL SERVICE PROBLEM HAS BEEN CORRECTED A CHECK SHOULD BE MADE OF THE FOLLOWING SUBJECT FIRE amp SHOCK HAZARD BE SURE THAT ALL COMPONENTS ARE POSITIONED IN SUCH A WAY AS TO AVOID POSSIBILITY OF ADJACENT COMPONENT SHORTS THIS IS ESPECIALLY IMPORTANT ON THOSE MODULES WHICH ARE TRANSPORTED TO AND FROM THE REPAIR SHOP NEVER RELEASE A REPAIR UNLESS ALL PROTECTIVE DEVICES SUCH AS INSULATORS BARRIERS COVERS SHIELDS STRAIN RELIEFS POWER SUPPLY CORDS AND OTHER HARDWARE HAVE BEEN REINSTALLED PER ORIGINAL DESIGN BE SURE THAT THE SAFETY PURPOSE OF THE POLARIZED LINE PLUG HAS NOT BEEN DEFEATED SOLDERING MUST BE INSPECTED TO DISCOVER POSSIBLE COLD SOLDER JOINTS SOLDER SPLASHES OR SHARP SOLDER POINTS BE CERTAIN TO REMOVE ALL LOOSE FOREIGN PARTICLES CHECK FOR PHYSICAL EVIDENCE OF DAMAGE OR DETERIORATION TO PARTS AND COMPONENTS FOR FRAYED LEADS DAMAGED INSULATION INCLUDING AC CORD AND REPLACE IF NECESSARY FOLLOW ORIGINAL LAYOUT LEAD LENGTH AND DRESS NO LEAD OR COMPONENT SHOULD TOUCH A RECEIVING TUBE OR A RESISTOR RATED AT 1 WATT OR MORE LEAD TENSION AROUND PROTRUDING METAL SURFACES MUST BE AVOIDED ALL CRITICAL COMPONENTS SUCH AS FUSES FLAMEPROOF RESISTORS CAPACITORS ETC MUST BE REPLACED WITH EXACT FACTORY TYPES DO NOT USE REPLACEMENT COMPONE
20. RESISTORS R154 R155 07 90100 01 100 5 R115 R116 07 91509 01 159 196 R149 07 96809 01 680 1 103 R106 119 120 07 98209 01 820 1 R111 R112 R159 07 91000 01 1000 1 30 R169 07 93300 01 3300 196 R19 R101 R105 R110 07 93902 01 39K 9 196 R123 07 94702 01 47K 9 196 R121 R122 07 91003 01 100K 9 196 R102 R104 07 92203 01 220K 9 196 CAPACITORS C18 C19 26 39051 01 39pF 50V 5 C12 C124 26 10251 11 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 PCB 8 STANDBY BOARD CIRCUIT NO PART NO DESCRIPTION DIODES D717 33 50525 00 5 DUAL COLOR SWITCHS S78 11 04101 10 DTSG P 24N CONNECTER GB 5973 rer 26AWG UL2468 white 70mm length PCB 2 POWER BOARD CIRCUIT NO PART NO DESCRIPTION TRANSISTORS Q59 Q510 Q517 Q519 31 01015 00 2SA1015 GR Q518 Q520 31 01815 00 2SC1815 GR DIODES D513 33 24004 02 1N4004 33 24004 00 1N4004 D56 N 33 30142 0 DB104 D51 D55 N 33 30822 00 8A 200V 0531 0532 33 60116 00 TIC116D BT151 500R CAPACITORS MKP62 275V 0 47uF 10 C94 AX 25 47422 00 MPX 275VAC 0 47uF 10 C53 N 05 47242 00 4n7p 400V 20 78 001001 0 811810 23 C51 C52 25 10322 00 10n 250V 1096 C524 06 22251 00 2200u 50V 2096 C523 06 33251 00 3300u 50V
21. SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT OPERATING AND MAINTENANCE SERVICING INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE APPLIANCE SUBJECT TIPS ON PROPER INSTALLATION NEVER INSTALL ANY PRODUCT IN A CLOSED IN RECESS CUBBYHOLE OR CLOSELY FITTING SHELF SPACE OVER OR CLOSE TO HEAT DUCT OR IN THE PATH OF HEATED AIR FLOW AVOID CONDITIONS OF HIGH HUMIDITY SUCH AS OUTDOOR PATIO INSTALLATIONS WHERE DEW IS A FACTOR NEAR STEAM RADIATORS WHERE STEAM LEAKAGE IS A FACTOR ETC AVOID PLACEMENT WHERE DRAPERIES MAY OBSTRUCT REAR VENTING THE CUSTOMER SHOULD ALSO AVOID THE USE OF DECORATIVE SCARVES OR OTHER COVERINGS WHICH MIGHT OBSTRUCT VENTILATION WALL AND SHELF MOUNTED INSTALLATIONS USING A COMMERCAL MOUNTING KIT MUST FOLLOW THE FACTORY APPROVED MOUNTING INSTRUCTIONS A PRODUCT MOUNTED TO A SHELF OR PLATFORM MUST RETAIN ITS ORIGINAL FEET OR THE EQUIVALENT THICKNESS IN SPACERS TO PROVIDE ADEQUATE AIR FLOW ACROSS THE BOTTOM BOLTS OR SCREWS USED FOR FASTENERS MUST NOT TOUCH ANY PARTS OR WIRING PERFORM LEAKAGE TEST ON CUSTOMIZED INSTALLATIONS CAUTION CUSTOMERS AGAINST THE MOUNTING OF A PRODUCT ON SLOPING SHELF OR A TILTED POSITION UNLESS THE PRODUCT IS PROPERLY SECURED A PRODUCT ON A ROLL ABOUT CART SHOULD BE STABLE ON ITS MOUNTING TO THE CART CAUTION THE CUSTOMER ON THE HAZARDS OF
22. TRYING TO ROLL A CART WITH SMALL CASTERS ACROSS THRESHOLDS OR DEEP PILE CARPETS CAUTION CUSTOMERS AGAINST THE USE OF A CART OR STAND WHICH HAS NOT BEEN LISTED BY UNDERWRITERS LABORATORIES INC FOR USE WITH THEIR SPECIFIC MODEL OF TELEVISION RECEIVER OR GENERICALLY APPROVED FOR USE WITH T V S OF THE SAME OR LARGER SCREEN SIZE CAUTION CUSTOMERS AGAINST THE USE OF EXTENSION CORDS EXPLAIN THAT A FOREST OF EXTENSIONS SPROUTING FROM A SINGLE OUTLET CAN LEAD TO DISASTROUS CONSEQUENCES TO HOME AND FAMILY m CD gt N SERVICING PRECAUTIONS CAUTION Before servicing the A V Receiver covered by this service data and its supplements and addends read and follow the SAFETY PRECAUTIONS NOTE if unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions in this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the Receiver AC power cord from the AC power source before 1 Removing or reinstalling any component circuit board module or any other assembly 2 Disconnecting or reconnecting any internal electrical plug or other electrical connection 3 Connecting a test substitute in parallel with an electrolytic capacitor Caution A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard
23. a boru E puro ovat om aos M 12 BO 44 1 6 54 99 Le A H 5 09 Ar 8 E 969 LLI 2 eJ I gt E E era 8 5 lt S 9 8 Ser 4 z 9 gt Ar I lt 8 wra Ha 8eyd 8 psr 5 5 x 66r 5 E X Se 3 5 vun LLI eer GNI N amp 092 8859 6 8 JE 80 m 5 8 I hobe LO 5 55 88 5 d 5i 3 2 AU 2180 Ei N 5 8 E HH esso emm j 1 _ O 5 gw 1 E 8 D D 9 2 II zm 0 sal atis 8 3 5 voc 88 eeo O lt Oo gt g o em al E gt i i piia 8 Re 5 m iil 2 5 amp 8 ue Hel 8 gt 8 TINO 38d m FRA mu 5 5 C e E 5 Zee 8 5 gley _ 9189 39 V2L sz 9 glz qr a o E 5 2eed 8 z 6 m 5 8 bct 5 m ae iet 9904 Qai ser bed x 18 0 Simla TITI 1 1929 C 99 gorr 2 SH
24. 00 2094 SAAR gt be 1 M Bc m ane 35 1018 8 GSS ak 56K 56K cin pos re 8 gt 8s 3 8 5 8247 RR RCA35C T 88 0210 MR22 Ho 2218 T ga 101W FS y R21 R24 6 1 84 8 R244 0 1u 10 63v AN N L CH ERO 8 1220 210 L L 200 ce 6220 gt cias N8C320D03 em ireo 300 z TOOKMF rU 63V 12 1 oF R22 3 220K 3 3 2 call 1 82 li R238 TIW EP mus R452 2202 FP 4 4 2 zi 4 pL 3 33 E Eu e UY 55 us Russ ZAAN FP 8 2 MM 8g kv P0sersw CC hketw wF R25 c22 8 IKSC2690 C221 R441 22 1nF Ao 1 63 5 IX Ry mi 8454 455 bz R239 hoozw 8 8 RIE m isy STANDBY pi ozte als reli 0325866 HEADPHONE BOARD Vint css sc2240 L 027 T Boo d R260 ibo Dnus pes PCB 10 HEADPHONE Vm1 0 rM C 0020 024 HEE C213 1K 5 22K 7K R122 2 16 100 16V 1N4148 470 00 20 89 3 o 4 IR220 m D43 150 2W FS puras SAT ms Y La 6 HA oes 2 Kip a em Wm C224 c26 R268 R233 227 when the unit enters the v id 20uF 63V hk BK32WFP Bk32W standby mode D42 20V TsV 1N4148 v 18V gn G5 I I i To Eum con th OE is d d m t tuFesvs 2 2k 0 cores 330u 16V Dv i2
25. 1 03 AZ431BZ B DIODES D430 DB104 D17 D27 D101 D102 D103 D201 D202 D203 D37 D38 D39 D310 D311 D312 D313 D315 D316 D42 D43 D403 D412 D417 D418 1N4148 Pitch 7 5mm D419 D420 D423 D428 D11 D12 D21 D22 1N4148 Pitch 10mm 4 7V 0 5W D410 D411 20V 0 5W D49 18V 0 5W TRANSISTORS Q31 Q32 31 00363 00 2SK363 Q31 Q32 or 31 00369 00 2SK369 Q31 Q32 or 31 00170 00 2SK170 QI2 Q12 1 Q44 Q45 Q47 Q401 Q403 Q411 31 01015 00 2SA1015 GR 011 021 043 046 048 0402 0404 0412 31 01815 00 2SC1815 Q414 Q421 0117 0217 31 00970 00 254970 GR 0423 0118 0218 31 02240 00 25 2240 0422 31 00667 00 2SD667A 0413 041 0216 0211 0212 0112 0116 0111 31 02690 00 KSC2690AYSTU oe al Q210 Q110 31 01220 00 KSA1220AYSTU CAPACITORS C45 C46 05 22012 00 220 100V 10 C31 C32 C33 C34 C35 C36 C37 C38 39 304 C305 C310 C311 C312 05 10151 01 100p 50V 10 C313 C314 C315 C316 C317 C318 C363 C364 C343 C344 C302 C303 05 22151 01 220p 50V 10 C112 C113 C212 C213 05 47112 00 470p 100V 10 C362 05 10312 00 10 100V 50 20 C120 C220 C434 24 22312 04 22n 100V 10 C123 C223 C3 C41 C443 24 10461 00 0 1uF 63V 20 C432 24 22461 00 0 22uF 63V 20 25 C327 C328 C119 C219 25 22361 01 22n 63V 5 C329 C330 25 10461 05 0 1uF 63V 5
26. 1 C335 5 R389 R387 VR301 10 RL39B EDS 100 20K R D315 1 8V 1 1N4148 478 2 2 R383 R385 Ris 100P CB32 3 R391 560 1 CB33 2 560 1 18 CB35 TM LOW NOISE m LOW NOISE AMP m i INMODULE m OUTMODULE gt 2 z RL39A 7 7 T 0314 lpod R 1 8 8 560 1 18 D 9 18v 9 R388 R390 L c323 C326 isV 20k 47 25 47 25 VR302 10 n C350 N 1 100 4 R326 390 6338 A R330 5 C346 0 1uF 1K5 MF R336 4 523 I 68 RCA gt C340 C342 R PRE Be e 47 25 R364R362 RT32B BY MOTOR R348 C364 51K NI BASS Ye gt R334 jos k 4 7K 100pF RT33B 5 20KB VR30 58 VOLUME 30K 83 2 0 10 5 63V n R332 390 MF A 180 MF SW31B 4 336 18V I2V DEFEAT SW OFF R499 mM ON 46V 46 1 100K 5 0 18V 18 D423 gt x 411 R436 18 18 2 lt Protection gt 56K lt Standby SE 1015 1N4148 Soft Cliping R402 R404 ct 10K C301 VOLUME CONROL 10uF 50 RT33C 20KB C417 C418 CB34 C320 R403 4u7 25V 4u7 25 R405 2 1K f 1 1K R457 REMOTEMUTE II L Standb 0 1u 10 gt R448 220 Protection 3 33V R406 100K 1 5 HK R407 R451 R435 VOL 6 1K 390 VOL H Q402 Q404 c434 8 C181 C1815 22 63V 46V TO CZ71 L gt
27. 20 C517 C518 06 15351 01 15000u 50V 10 two foods C517 C518 06 15351 02 15000u 50V 10 two fods RESISTORS R561 R565 07 10101 51 1000 596 1 4W R532 07 10221 51 2200 595 1 4W R558 R559 R560 R562 07 10102 51 1 0 5 1 4W R534 07 10222 51 2 2 0 5 1 4W R566 07 10472 51 4 7K 9 5 1 4VV R544 R563 R564 07 10223 51 22K 5 1 4W R567 07 10334 51 330K 5 1 4W R533 07 10105 51 1 0 5 1 4W R531 07 40507 03 0 052 3W 5 FUSES F51 F52 F53 F54 N 20 12632 0 T6 3AL250V F55 20 12501 00 T500mAL 250V F51 F52 F53 F54 N 20 20000 00 HF 004 CONNECTERS CB52 CB54 CB58 13 23902 00 VH 3 96A 2A CB55 CB56 59 AN 13 23903 01 i E mie center CB57 13 23903 11 the center CB51 13 23907 10 VH 3 96 7 31 SCN 2 5A 7D needles XHB 2 5A 7Y CB53 CB47 14 32507 10 plug 26AWG UL2468 white 230mm length LINKS J52 J57 J513 J517 21 06000 00 L 5 J516 J520 21 06000 00 L 7 5 J51 21 06000 00 L 10 J514 21 10101 00 L 10 J54 J58 J518 21 06000 00 L 12 5 J510 21 06000 00 L 15 J56 21 10151 00 L 15 J515 21 06000 00 L 18 J519 21 10201 00 L 20 J512 21 06000 00 L 25 PCB 3 KEY BOARD CIRCUIT NO PARTS NO DESCRIPTION ICS IC71 03 02402 00 24C01A 24C02 A 24C04 A IC74 IC75 03 04094 00 CD4094 HEF4094 IC73 03 04051 22 AT89C4051 12PU IC73 03 04051 12 AT89C4051 12PU IC76 03 00810 02 TCM810MENB
28. 50 1K 9 1 6W 5 R613 R614 07 20103 50 10K 9 1 6W 5 R621 07 20303 51 30K 1 4W 5 R63 R64 07 20105 50 1M 9 1 6W 55 CONNECTER 5006 13 12509 01 CZ61 J61 21 06000 00 L 5 PCB 4 AMP MODULELSMD 01 32520 01 CIRCUIT NO PART NO DESCRIPTION TRANSISTORS Q26 31 01015 01 2SA1015 Q27 31 01815 01 2SC1815 Q22 Q25 R202 Q204 31 01312 00 2SA1312 GR Q23 Q24 Q201 Q203 31 03324 00 2SC3324 GR Q28 31 00647 00 2SB647A Q29 31 00667 00 2SD667A DIODES D23 D24 D25 D26 33 44148 11 LL4148 RESISTORS R254 R255 07 90100 01 109 5 R215 R216 07 91509 01 159 1 R249 07 96809 01 680 1 203 206 219 220 07 98209 01 820 196 211 212 259 07 91000 01 1000 1 R269 07 93300 01 3300 196 29 201 205 210 07 93902 01 39 0 196 R223 07 94702 01 47 1 221 R222 07 91003 01 100 0 196 R202 R204 07 92203 01 220K 9 196 CAPACITORS C28 C29 26 39051 01 39pF 50V 5 C22 C224 26 10251 11 1nF 50V 5 C23 C24 06 10031 02 VSS 10uF 35V 20 C203 C204 06 22011 05 VSS 22uF 16V 20 INDUCTORS L22 08 04101 00 100uH CONNECTER S006 13 12508 11 CZ21 PCB 5 AMP MODULE R SMD 01 32520 02 CIRCUIT NO PART NO DESCRIPTION TRANSISTORS Q16 31 01015 01 2SA1015 Q17 31 01815 01 2SC1815 012 015 0102 0104 31 01312 00 2SA1312 GR 013 014 0101 0103 31 03324 00 2SC3324 GR Q18 31 00647 00 2SB647A Q19 31 00667 00 2SD667A DIODES D13 014 D15 D16 33 44148 11 LL4148
29. 596 R144 R145 R244 R245 07 40687 03 0 068R 3W CE 596 INDUCTORS L11 L21 08 01005 00 0 5uH POTS 27 VR301 VR302 09 02101 00 100R VR12 VR22 09 02201 02 200R VR3 09 02103 00 10K VR304 VR303 09 02303 00 30K RT31 RT32 09 01103 01 RK163121A2CA 10KAx2 RT33 09 01203 01 RK16812MG 20KBx2 RT34 09 01203 03 RK163121A10D 20KMN SWITCHS S41 11 05202 02 SK 22F03G7 SW31 11 02202 02 SPUN190700 RELAYS RL31 RL32 RL33 RL34 RL35 RL36 RL37 12 02101 02 JRC 27F 012 S RL38 RL39 RL12 1 12 01101 02 F1AA012V CONNECTERS VH 3 96A 2Y plug 16AWG MAIN BOARD CBSS 14 2250 EOS UL1015 black 130mm length VH 3 96A 2Y plug 16AWG MAIN BOARD CB52 CB54 14 32502 00 UL1015 red and white 130mm length R OUT 14 32502 01 UL 2468 16AWG blue and white 155mm length L OUT 44 32502 02 UL 2468 16AWG blue and red 100mm length TP1 TP2 TP3 TP4 TP10 43 10001 00 Test 1 TP11 CB35 13 22503 00 XHB2 5A 3A CB45 13 22505 00 XHB2 5A 5A CB47 13 22507 00 XHB2 5A 7A CB34 13 22509 00 XHB2 5A 9A CB31 13 22510 00 XHB2 5A 10A RCA31 RCA32 RCA34 17 01004 00 4 holes red and white gilt RCA33 17 01006 00 6 holes red and white gilt ST 323B 04 PHONE2 17 02001 04 CKK 3 5 02 3P PHONE1 17 02002 00 PHONEJACK2 Binding Post Assy 02 03001 20 C VERSION Binding Post Assy 02 03001 10 AH VERSION Binding Post Red 17 03002 01 C VERSION Binding Post Red 17 03002 11 AH VERSION Binding Post R
30. 7 10431 51 430R 1 4W 5 R11 R21 07 10471 50 470R 1 6W 5 R31 R32 R33 R34 R35 R36 R37 R38 R39 R310 R311 R312 R313 R314 07 10471 51 470R 1 4W 5 R315 R316 R317 R318 R393 R396 R495 07 10511 50 510R 1 6W 5 R41 R42 R43 R44 R47 R48 R49 R410 R411 07 10681 51 680R 1 4W 5 R413 RI2 R162 R163 R167 R168 R262 R263 R267 07 10102 50 1K 1 6W 5 R268 R147 R160 R161 R247 R260 R261 R403 R406 07 10102 51 1K 1 4W 5 R405 R407 R474 R476 26 R422 R423 R424 R425 07 10132 50 1K3 1 6W 5 R428 R440 R158 R258 07 10222 51 2K2 1 4W 5 R480 07 10392 51 349 1 AW 5 R401 R482 R333 R334 07 10472 51 4K7 1 AW 5 RI4 07 10472 50 4K7 1 6W 5 R429 07 10512 51 5 1 1 4W 5 R166 R266 07 10562 50 5K6 1 6W 5 R12 1 07 10682 51 6K8 1 4W 5 RI1 RI5 RI6 R164 R264 2 R165 R265 07 10103 50 10K 1 6W 5 RAGI RADE 07 10103 1 10K 1 4W 5 R404 R148 R248 07 10153 50 15K 1 6W 5 R441 07 10153 51 15K 1 4W 5 R487 R488 07 10183 51 18K 1 4W 596 R387 R388 07 10203 50 20K 1 6W 5 R15 R25 R152 R252 07 10223 50 22K 1 6W 5 R12 2 R468 07 10223 51 22K 1 AW 5 R420 R421 07 10363 50 36K 1 6W 5 R473 07 10433 51 43K 1 4W 5 R477 R437 07 10473 51 47K 1 AW 5 R436 R442 R445 R446 07 10563 51 56K 1 4W 5 R347 R348 R448
31. C Input sensitivity ref rated power Maximum input signal Signal Noise ratio A weighted from CD Input to Speakers Output Volume Setting for 500mV in 8ohms 1W out Signal to noise ratio preamp out weighted Frequency response 20 Hz 20 kHz THD Noise SMPTE IM LINE LEVEL OUTPUTS Pre amp output impedance Tape output impedance Maximum output level pre amp out Tape out CONTROLS Treble Bass IR IN OUT Input Resistance Input Voltage Output Resistance TRIGGER Out Output Current Output Voltage DIMENSIONS AND WEIGHTS Net Weight Shipping Weight DIMENSION WxHxD 200 kohms 320 pF 220 mV 6V 93 0 dB ref 1W 106 dB re 500mV lt 0 1 dB tone defeat lt 0 5 dB tone defeat off lt 0 01 at 5 V out 80 ohms Source Z 1kohms gt 12 V gt 10 V 5 dB at 10 kHz 8 dB at 100 Hz gt 10 kohms Min 5 V lt 30 ohms 50 mA 12V 6 5 kg 14 3 Ib 8 kg 17 6 Ib 435 x 100 x 290MM WIRING DIAGRAM AC POWER PLUG MAIN BOARD POWER SWITCH 5 2 E NE SASI AC OUTLET CB45 8 gt 6835 CB47 foree CB31 T401 TRANSFORMER H CB21 CB32 gt CB34 WHITE 46V RED fou 6 P5 GND N 0114 C811 C833 RED E WHITE la P3 R Q115 E h n 2 E 325 J dude O O
32. C1815 C1815 1815 1815 C1815 1815 E as R74 R74 R74 R7 R74 R74 74 R76 gt 447 447 447 447 447 Mkz R753 R754 IR BLINK Q74 AKT gt MUTING BLINK R730 REMOTE MUTE T PROTECTION 5 8 2 1 5 2 Q72 716 R733 c2 1 C1815 9 C1815 5K1 100uF 16V 4 271 a 9 TO CB34 KEY BOARD Vm1 2 PCB 3 KEY BOARD Vm1 0 18 SCHEMATICS DIAGRAM 3 4 POWER CIRCUIT Vm1 2 PCB 2 POWER BOARD Vm2 0 R531 0 05 3W 5 CE RED WHITE RED WHITE ib R562 1K R561 E J R563 osa 22K A101 ke NAD C325BEE POWER CIR D531 1K CB55 CZ55 TIC116D 3 lt mE C54 H CON3 6517 0 4706 15000uF 50V 10 IM C52 C51 10m250M 10 250 10 10 15000uF 50V 10 CB56 C756 t L1 c53 42 4 7 400 3 CON3 CON3 CB59 C759 1 3 3 1 CON3 CON3 C523 856 CB57 C757 3300 50V 88104 5 1 3 1 AC POWER CORD POWER SWITCH Sw 2 Sw52 A 3 1 version outlet 19 65 F52 F51 F54 F53 CON3 CON CB51 CZ51 364V 1 7 2 6 ov 3 5 28 SV 4 4 28 SV 3 8V 6 2 0V 7 1 F55 500mA 250V Transformer 0
33. CB54 CB51 A 12 CB58 ell 72 Ipod SOCKET BOARD KEY BOARD T J 5 hiss ui RE gt CZ45 a 9 IT 575 57440 _ SS73 CB53 x Som z 6273 S 4 25 u 20472 1i POWER BOARD lt I AMP SMD R BOARD AMP SMD L BOARD R N S IN MODULE BOARD 01 32560 01 8 6 00 9 OD p OUT MODULE BOARD I_01 32560 02 9 d a oaa vol RT33 VOLUME CONTROL VOLUME INPUT SELECTION gt ME CIRCUIT BY RELAY m CIRCUIT REMOTE B MPL IC74 IC75 CD4094 CD4094 R 0 01 32560 01 01 32560 02 E VIDEO LI BASS 8 5 RTS2 3 5 PRE OUTL T AI VIDEO R Ses ER TREBLE 995 gt zo gt Roa 258 Sg 5 8AANCE PRE OUTR RAI Swat ET Aux 2 5 DEFEAT gt wewt Y MIRROR scr MUTE CONTROL SOURCE CONTROL TAPE1 IN CIRCUIT CIRCUIT CIRUIT
34. CHECK MCU AND RELAY CONTROL CIRCUIT Y ISTHE SPK OUT NORMAL NO EIR DC LEVEL CHECK THE SERVO CIRCUIT ES IS THERE SIGNAL OUTPUT slis THE power amp INPUTNORMAL ES CHECK THE POWER AMP CIRCUIT es Y ISTHE MUTE SIGNAL OFF ES CHECK THE MUTE CONTROL CIRCUIT NO 1 IS THE VOLUME CONTROL CIRCUIT NO CHECK THE VOLUME CONTROL NORMAL CIRCUIT YES Y ARE THE TWO MODULES NORMAL NO CHECK THE MODULES CIRCUIT ES L CHECK THE TONE CIRCUIT IS THE THD HIGH IS THE S N RATE BAD YES TURN THE TRANSFORMER is THE IDLE CURRENT NORMALS NO ADJUST THE IDLE CURRENT OR CHECK THE IDLE CURRENT es CIRCUIT HECK THE POWER AMP CIRCUIT IF SOME TRANSISTORS ARE IDEFEATED No CHECK THE IR INOUT IS THE REMOTE CONTROL OK IS THE IR IN OUT NORMAL CONNECTION OR CIRCUIT PARTS YES e IS THE REMOTE HANDSET ITSELF NO REPLACE THE BTTERIES OR NORMAL ANOTHER REMOTE CONTROL es HANDSET CHECK THE IR CONTROL CIRCUIT INCLUDE THE IR RECEIVER AND MCU Y is THE 12v SUPPLY NORMAL NO__ ISTHE18VSUPPLYNORMAL NO CHECK THE 18V SUPPLY YES YES DID THE 12V SUPPLY SHORT CHECK THE CONNECTION GROUND AND CHECK IF THE RELATIONAL TRANSISTORS ARE DEFEATED Y OK 24 PCB 1 MAIN BOARD ELECTRIAL PARTS LIST CIRCUIT NO PART NO DESCRIPTION ICS IC41 IC42 IC43 03 00082 00 TL082CP CN D IC44 03 01237 00 UPC1237HA AMS1117 5 0 IC45 03 01117 01 LM1117MPX 5 0 IC11 IC21 03 0043
35. GIN 59 praz R48 R44 i Rs 5 882 ZO Eun LI cara HE in 9 E IKsc26e 448 1VV 1 M6 22 d 5 EN lt ee 8 e om mi BEE ao 85 Rs as R419 a17 e R46 2 00 00 C1815 Q113 R160 042 3370 5W FS 4 EJ KSA1220 Fm 2SA1220 T P am fr d 5 pM 470p 0009 ERR R120 2 EM R474 1K e2 MF 5 4 18 PN IC41A ge 18V R420 ITLOB2D 1 5 Rc cus Lessa ces 2 F5 Mure E Ep sen bes ae E sop s on teats R159 100 5 Ri69 330 Ris cil R477 1 Does I ons gok weave 22 NET IL 52 4 2 100uF Scam aH N TERS RE EMT ME PIN 01 32520 02 supply to lower volg R473 100K Ba E Mea mini cee eth ds pu n yes 5 is lows lt 20 degree 6 Suus pushed 4 POWER 10025 s 4 L R490 IN C416 18423 10 25 SOFT CLIPING CIR 100K 18K BINDING POSTS ap ISC CIRCUIT SPKOUT E LX pus SEs nasa om pza paon pass 36K 1 2 Mk 1N4148 Bks2wFP Bkazw 2d M E m SERE 1 10 eav peo hs lt loo foo x e all a R263 gs 214 I ca 8 m Lour 8 470p
36. J145 J149 J156 J157 J158 J178 J191 J30 J31 J54 J55 J80 J132 J181 J182 J188 21 06000 0 L 15mm J189 J193 J8 J14 J15 J16 J17 J18 J19 J20 J21 J33 J34 21 06000 0 L 18mm J60 J76 J82 J112 J206 J22 J23 J24 J75 J81 J83 J92 J97 J98 J103 E J109 J144 J153 J195 20800000 LUI J196 J74 J114 J115 21 06000 00 L 22 5mm J70 J71 J77 J78 J84 _ 21 06000 00 L 25mm J2 J5 21 10750 00 L 7 5 thick links J79 21 10101 00 L 10 thick links J167 21 10201 00 L 20 thick links J1 J6 J148 21 10251 00 L 25 thick links PCB 6 OUT MODULE PCB 7 IN MODULE Line Out 01 32560 02 and Line In 01 32560 01 CIRCUIT NO PART NO DESCRIPTIONS TRANSISTORS Q61 Q62 31 00170 00 2SK170 063 065 31 00970 00 254970 064 066 31 00647 00 25 647 Q67 068 31 00667 00 2SD667A DIODES D61 D62 D63 D64 33 44148 00 1N4148 CAPACITORS C63 C64 05 22012 01 22p 100V 10 C611 IN MODULE 05 43012 01 43p 100 10 C611 OUT MODULE 05 75012 00 750 100V 10 C69 C610 05 10151 00 100p 50V 10 C61 C62 05 22151 00 220p 50 20 29 C65 C66 C67 C68 24 10461 00 0 1uF 63V 20 RESISTORS R617 R618 R619 R620 07 20100 50 109 1 6W 5 R615 R616 07 20330 50 33 1 6W 5 R61 R62 07 20221 50 2202 1 6W 5 R69 R610 07 24300 50 4302 1 6W 1 R67 R68 R611 R612 07 20102
37. NTS OTHER THAN THOSE SPECIFIED OR MAKE UNRECOMMENDED CIRCUIT MODIFICATIONS AFTER RE ASSEMBLY OF THE SET ALWAYS PERFORM AN AC LEAKAGE TEST ON ALL EXPOSED METALLIC PARTS OF THE CABINET THE CHANNEL SELECTOR KNOB ANTENNA TERMINALS HANDLE AND SCREWS TO BE SURE THE SET IS SAFET TO OPERATE WITHOUT DANGER OF ELECTRICAL SHOCK DO NOT USE A LINE ISOLATION TRANSFORMER DURING THIS TEST USE AN AC VOLTMETER HAVING 5000 OHMS PER VOLT OR MORE SENSITIVITY IN THE FOLLOWING MANNER CONNECT A 1500 OHM 10 WATT RESISTOR PARALLELED BY A 15 MFD 150V AC TYPE CAPACITOR 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 o N VOLTAGE MEASURE MUST NOT EXCEED 75 VOLTS R M S THIS CORRESPONDS TO 0 5 MILLIAMP AC ANY VALUE EXCEEDING THIS LIMIT CONSTITUTES A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED IMMEDIATELY A C VOLTMETER PLACE THIS PROBE ON EACH EXPOSED METAL PART GOOD EARTH GROUND SUCH AS THE WATER PIPE CONDUIT ETC 10 WATT 1500 OHM SUBJECT GRAPHIC SYMBOLS THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED DANGEROUS VOLTAGE WITHIN THE PRODUCT S ENCLOSURE THAT MAY BE OF
38. POWER STANDBY PROTECTION LED 3 HEAPHONE 4 IR RECEIVER 5 INPUT SELECTOR 6 SOFT CLIPPING LED 7 TONE CONTROLS 8 TONE DEFEAT 9 BALANCE 10 VOLUME SPECIFICATIONS POWER AMPLIFIER SECTION STEREO MODE CONTINUOUS AVERAGE POWER OUTPUT INTO 8 OHMS OR 4 OHMS Min power per channel 20 Hz 20 kHz with no more than rated distortion Rated Distortion THD 20 Hz 20 kHz Clipping power maximum continuous power per channel 4 and 8 IHF dynamic headroom at 8 ohms at 4 ohms IHF dynamic power maximum short term power per channel 8 ohms 4 ohms 2 ohms Damping factor ref 8 ohms 1 kHz Input Impedance Input sensitivity for rated output into 8 ohms Voltage gain Frequency response 20 Hz 20 kHz Signal Noise ratio A weighted THD Noise Total Harmonic Distortion 20 Hz 20 kHz from 250 mW to rated output SMPTE Intermodulation Distortion 60 Hz 7 kHz 4 1 from 250 mW to rated output IHF CCIF IM Distortion 19 20 kHz at rated output Headphones Output Impedance 50 W 17 dBW 0 03 68 W 3 4 5 0 110 W 20 4 dBW 160 W 22 0 dBW 210 W 23 2 dBW gt 100 20 kohms C 1nF 630 mV 29 dB 0 2 dB 100 dB ref 1 W 117 dB ref 50 W lt 0 03 lt 0 01 lt 0 01 220 ohms PREAMPLIFIER SECTION LINE LEVEL INPUTS Disk CD Video Auxiliary Tuner Tape 1 Tape 2 Input impedance R and
39. TABLE OF CONTENTS DESCRIPTION PAGE SERVICE CAUTION a 3 4 REAR PANEL FRONT PANEL VIEW 5 SPECIFICATIONS uuu ono uuu ta een eoi eta I ERE 6 7 WIRING DIAGRAM pt 8 BLOCK DIAGRANM 9 14 ALIGNMENT PROCEDURE Mene 15 SGHEMATIGS 16 19 PGB EAYOUT Z __ 20 23 TROUBLE SHOOTING C I L 24 ELECTRICAL PARTS LIST 25 34 EXPLODED VIEW n dra ive 35 EXPLODED VIEW PARTS LIST 36 PROTECT IC CHANGE 37 PRODUCT SAFETY SERVICING GUIDELINES CAUTION DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFACTURER S APPROVAL UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY BUT MAY LEAD TO YOUR BEING LIABLE FOR ANY RESULTING PROPERTY DAMAGE OR USER INJURY SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE THOROUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETY CHECKS AND SERVICING GUIDELINES TO DO OTHERWISE INCREASES THE RISK OF
40. TRANSISTORS Q72 Q73 Q74 Q79 Q710 Q711 Q712 Q713 Q714 31 01815 00 2SC1815 Q715 Q716 Q717 Q718 DIODES D710 D711 D712 D713 D714 D715 33 44148 00 1N4148 D718 33 44148 00 1N4148 D71 D72 D73 D74 D76 D77 D716 33 50350 00 3 GREEN LED D75 33 50340 00 3 AMBER LED CRYSTAL Y71 04 11102 00 11 0592MHz CL 15pF CAPACITORS C79 C710 05 27051 00 27p 50V 10 C724 C725 N I C77 C714 C715 C716 C717 C718 C719 C720 24 10312 00 10nF 100V 20 C721 C72 C78 C711 C712 24 10461 00 100nF 63V 20 C722 N I C71 C723 06 10111 00 100uF 16V 20 RESISTORS R71 07 10331 50 3300 1 6W 5 R72 07 10471 50 4709 1 6W 5 R701 R703 R725 R759 07 10222 50 2K2 9 1 6W 5 R726 R727 07 10222 51 2K2 9 1 AW 5 R748 R749 R750 R751 R752 R754 R760 R766 07 10472 50 4K7 1 6W 5 R741 R742 R743 R744 R745 R746 R747 R753 07 10472 51 4K7 1 4W 5 R761 R733 07 10512 51 5K1 9 1 4W 5 R702 R73 R756 R757 R758 R762 R763 R764 07 10103 50 10K 1 6W 5 R708 07 10103 51 10K 9 1 4W 5 R730 07 10153 50 15K 1 6W 5 SWITCHS 571 572 573 S74 S75 S76 S77 11 04101 00 IT 1102D 1160 CONNECTERS 32 SCN 2 5A 9D needle XHB 2 5A 9Y CZ71 CB34 14 32509 00 plug 26AWG UL24688 white 400mm length SCN 2 5A 10D needle XHB 2 5A CZ72 CB31 14 32510 00 10Y plug 26AWG UL24688 white 430mm l
41. come to the lowest level 5 Adjusting VR302 make R channel output become to the lowest level by same way IDLING CURRENT 1 Level power on for a minimum of 5 minutes 2 Connect a DC voltmeter toTP1 and TP2 adjust VR22 for 4mV reading on voltmeter 3 Connect a DC voltmeter toTP3 and TP4 adjust VR12 for 4mV reading on voltmeter C ISC CIRCUIT ORIGINAL ADJUSTING Adjust the pot VR3 to make the DC voltage of the point of TP10 to the same as 11 Il FINAL ADJUSTMENT Repeat procedure A B and C for the lowest volume level idling current alignment and ISC original level respectively C325BEE MAIN BOARD TP10 11 z TP1 S VR22 TP2 5 VR12 15 SCHEMATICS DIAGRAM PREAMP CIRCUIT Vm1 2 PCB 1 MAIN BOARD Vm2 0 RCA31A RL31B
42. ed 73 001003 0 HS4 C320 B009V1 P003 BDP CAP Red 73 001005 0 HS4 C320 B009V1 P007 Shaft 69 001001 0 HS4 C320 B009V1 M024 Binding Post 69 001002 0 HS4 C320 B009V1 M025 Binding Post Black 17 03002 02 C VERSION Binding Post Black 17 03002 12 AH VERSION Binding Post Black 73 001004 0 HS4 C320 B009V1 P004 BDP Cap Black 73 001006 0 HS4 C320 B009V1 P008 Shaft 69 001001 0 HS4 C320 B009V1 M024 Binding Post 69 001002 0 HS4 C320 B009V1 M025 BDP SUPPORT 66 001006 1 HS4 C320 B009V1 M015 B BDP PIN 69 001010 0 HS4 C320 B009V1 M017 LINKS 28 J3 J7 J28 J29 J38 J42 J46 J49 J50 J56 J57 J58 J59 J65 J88 J93 J94 J95 101 J102 J105 J106 J107 J108 J110 J119 J120 J121 J126 J127 J128 J129 J130 J131 J135 J138 J139 21 06000 00 L 5mm J140 J141 J150 J151 J152 J154 J155 J159 J160 J161 J162 J163 J172 J174 J175 J176 J183 J184 J186 J187 J197 J198 J199 J200 J205 J9 J10 J11 J13 J25 J26 J32 J35 J36 J37 J39 J40 J41 J44 J45 J47 J48 J53 J62 J63 J64 J67 J73 J99 J100 J104 _ J117 J125 J143 J146 J147 J164 J165 J166 J168 J169 J170 J173 J185 J192 J202 J203 J204 J207 J4 J43 J51 J52 J66 J87 J89 J90 J91 J96 J111 _ J113 J118 J122 J171 21 06000300 J179 J180 J190 J201 J12 J27 J61 J68 J69 J72 J116 J123 J124 J133 J134 J136 J137 21 06000 0 L 12 5mm J142
43. ength LINKS J71 J72 J73 J74 J75 J79 J710 J716 J733 J735 J745 J746 J747 200000200 4749 1753 J794 476 J77 J78 J715 J717 J718 J727 J738 J740 21 06000 00 L 7 5 J742 J744 J752 J793 J713 J720 J729 J734 B J737 J743 1750 21 06000 00 1 10 J711 J719 J726 J728 J730 J731 J732 J776 21 06000 00 L 12 5 J792 J712 J724 J739 21 06000 00 L 15 J714 J748 21 06000 00 L 18 J721 J722 J723 J725 _ 3736 1744 21 06000 00 L 20 PCB 9 IPOD BOARD CIRCUIT NO PART NO DESCRIPTION DIODES D719 33 50350 00 3 GREEN LED CAPACITORS C758 C759 05 10151 01 100p 50V 10 C760 24 10461 00 0 1uF 63V 20 RESISTORS R766 07 10100 50 109 1 6W 5 CONNECTER PHONE71 17 02001 02 SCJ340R0GBS0B00 TP701 front panel 14 32501 12 vi SCN 2 5A 3D needles XHB 2 5A 3Y CZ75 CB35 14 32503 11 plug UL1691 24AWG 26AWG white red black 675mm length SCN 2 5A 4D needles 26AWG VET Z UL2468 red white 70mm length PCB 10 HEADPHONE BOARD CIRCUIT NO PART NO DESCRIPTION RESISTORS R454 R455 07 30101 04 1009 2W 5 CONNECTER XHB 2 5A 5Y plug 26AWG Tissu UL2468 white 410mm length CZ45 13 22505 00 XHB2 5A 5A LINKS J41 21 06000 00 L 5mm PCB 11 IR BOARD CIRCUIT NO PART NO DESCRIPTION ICS IC72 03 00038 40 HS0038B4 CONNECTER SCN 2 5A 3D needles 26AWG CEBE 1432903 10 UL2468 red white 60mm length OTHERS CIRCUIT NO PART NO DESCRIPTION TRANSFORMER C VERSION N 18 32515 20 TD 230 0150G AH VERSION N 18
44. fr m 8 114 1 PROTECTION CIR P N 01 32520 01 PM POWER CIR L 46 46 P5 GND PBR Pot PTL 17 SCHEMATICS DIAGRAM 4 4 C325BEE IR BOARD Vm1 0 IPOD BAORD Vm1 0 PCB 11 IR BOARD Vm1 0 PCB 9 IPOD BOARD Vm1 0 5V 1 lpod GREEN P9 2 i cz7e CB72 IV B T C724 C725 1 72 vec 3 T es 2 we MI NI TP70 IR RECEIVER 2 R73 10K 52 10K m 1510601 gt E t C77 e R765 I 2 CON3 100u 16V 10n NI NE SIGNAE C758 C759 C760 PHONE71
45. le replaces Protection IC 44 Remove part below R442 Remove 56K Ohm resistor Replace and change orientation the part below C421 From 4 7uF 50V to 0 47uF 50V Reverse mount the new C421 Change orientation for the part below D513 Reverse mount the 1N4004 37 SERVICE MANUAL 41 14 STEREO AMPLIFIER lt O x O LLI LLI lt O Z O x O NAD 2006
46. o mat A S 1 5 3 moe TH 88 n lt 46L 2 212 L 898 5 22 4 c c Ed 5 5 5 IC U I cz ae _ OSS FEAF x 225 7 aNbG S9tf Sy n XI 7 5 14 9 anoa serr EU gt gt 2217 291 2 5 H ST H COEN art an LC 88 5 oS H SSS E 8 E S q lz 1 gt m em 8 EX a 5 A 2617 II m Terr 5 gt a a E 88 Eg x st Ger ti 25 4 8 ri ri rn I ora ls 9 rx raa CL 8 8 x 5 E Atc 8 8 8 8 8 ACDET 9 5 4 1 37 a 5 37 PL 1 8VAC 1 OVAC JDK b JDD 5 e M 9 o SPKOUT PCB 7 IN MODULE Vm1 0 COPYRIGHTOC 2006 NAD ELECTRONIC NAD C325BEE OU TMODULE BOARD Vm1 0 pU Rea R614 amp Jer uU roa Ko a Q6 067 R611 Lory L BS He 5 D H R620 T gt 9 Ae
47. terial 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed Caution Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handing unpackaged replacement ES devices Normally harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device REAR PANEL CONNECTIONS NAD C 325BEE 15 AHNORTH AMERICAN 11 VERSIONONLY 14 Serial De Series I bic TUNER au G CI CO CAUTION ATTENTION MINIMUM SPEAKER IR INPUT OUTPUT DISC INPUT CD INPUT VIDEO INPUT AUX INPUT TUNER INPUT TAPE 2 IN OUT TAPE 1 IN OUT 00 DORE ON FRONT PANEL CONTROLS NAD C 325BEE 9 PRE OUT 10 MAIN IN 11 SPEAKER OUT 12 SOFT CLIPPING 13 AC LINE CORD 14 12V TRIGGER OUT 15 SWITCHED AC OUTLET ONLY FOR AH Stereo Integrated Amplifier 325BEE 3 5 1 POWER 2
48. tive ES Devices Examples of typical Es devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed for potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an antistatic solder removal device Some solder removal devices not classified a anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freonpropelled chemicals These can generate electrical charge sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive ma
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