NAD C355BEE Service Manual

Other manuals for C355BEE: Catalog, Owner's Manual, Specifications, Owner's Manual
Manual is about: NAD C355BEE: User Guide

Summary of C355BEE

  • Page 1

    Nad ser vice manual c 355bee stereo amplifier c 355bee stereo amplifier.

  • Page 2: Table of Contents

    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..................................

  • Page 3

    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 u...

  • Page 4: Servicing Precautions

    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 ...

  • 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: Specifications

    Specifications power amplifier section stereo mode continuous average power 80 w (19 dbw) output into 8 ohms or 4 ohms (min. Power per channel, 20 hz – 20 khz, with no more than rated distortion) rated distortion 0.02% (thd 20 hz – 20 khz) clipping power 90 w (maximum continuous power per channel 4 ...

  • Page 7: Preamplifier Section

    Preamplifier section line level inputs (disk, cd, video, auxiliary, tuner, tape 1,tape 2) input impedance (r and c) 200 kohms + 100 pf input sensitivity (ref. Rated power) 310 mv maximum input signal 6 v signal / noise ratio, a-weighted 97.0 db ref. 1w (from cd input to speakers output, volume setti...

  • Page 8

    D r a o b d m s p m a p m a e r p d r a o b d m s p m a p m a e r p d r a o b r - d m s - p m a d r a o b r e w o p d r a o b y b d n a t s key board d r a o b 2 3 2 s r d r a o b n i a m d r a o b l - d m s - p m a b o ard headphone r e m r o f s n a r t 8 1 # g w a 2 7 6 1 l u power switch ac powe...

  • Page 9

    Tape1 out l input selection circuit disc l disc r cd r video r aux r tape1 in r tape1 in l aux l video l cd l e l u d o m p m a m p a e r p d m s ˄ni ˅ bass rt31 rt32 rt34 treble balance sw31 tone defeat rt33 volum e pre-out2 l pre-out1 r main in r main in l soft clipping control circuit s41 power a...

  • Page 10

    2 3 1 2 7 c i l 0 6 u 1 s i v 5 + v 5 + t u o r i t i u c r i c n i r i t i u c r i c y l p p u s r e w o p v 8 1 e n il l o r t n o c y b d n a s t i u c r i c l o r t n o c c n 1 c n 2 c n 3 s s v 4 a d s 5 l c s 6 c n 7 c c v 8 1 7 c i 1 0 c 4 2 1 7 e n o h p n i d o p i n o i t c e l e s t u p n...

  • Page 11: At89S52

    At89s52 key board ic73 port 2 drivers port 2 latch p2.0 - p2.7 flash port 0 latch ram program address register buffer pc incrementer program 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 driver...

  • Page 12

    1 2 3 4 5 6 7 9 8 0 1 1 1 2 1 3 1 4 1 5 1 6 1 + 1 c + v - 1 c + 2 c - 2 c - v t u o 2 t t u o 2 r n i 2 r n i 2 t n i 1 t t u o 1 r t u o 1 t n i 1 r d n g c c v p e e 2 3 2 p s 6 7 c i : d r 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 ...

  • Page 13

    24c01 key board ic71 pin configuration > control logic x re do ce 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 n...

  • Page 14

    Alignment procedures i. Initial a. Lowest volume adjustment 3. Connect a oscilloscope to l channel binding posts. 1. Tune the volume pot to lowest state. 2. Input a high voltage signal such as 5v from cd input. 4. Observing the oscilloscope,adjust vr301,make the output of speakers become to the 5. A...

  • Page 15

    . R i c r e w o p e e b 5 5 3 c d a n 1 5 c v 0 5 2 / n 0 1 1 5 d d 8 u b k 2 5 c v 0 5 2 / n 0 1 5 5 d d 8 u b k 7 1 5 c % 0 1 v 3 6 / f u 0 0 0 2 2 8 1 5 c % 0 1 v 3 6 / f u 0 0 0 2 2 1 3 5 d r 0 0 5 - 1 5 1 t b 2 3 5 d r 0 0 5 - 1 5 1 t b 8 5 5 r k 1 3 6 5 r k 2 2 1 6 5 r 0 0 1 2 6 5 r k 1 0 6 5 ...

  • Page 16

    C66 0.1u 20% r620 10 1 2 3 4 5 6 7 8 9 cz61 con9 gnd +18v -18v lout rout rin- rin+ lin+ lin- c62 220p r62 220 r64 2.2m 2 6 q r g 9 0 2 k s 2 r68 1k r610 430 2% q65 a1312-gr 8 6 q y- 1 8 8 2 c s 2 c64 22p r612 1k q66 2sa1201-y r614 10k r616 10 c67 0.1u 20% c68 0.1u 20% c610 100p r617 10 q69 c3324-gr ...

  • Page 17

    : n o i t c e t o r p t a e h r e v o this will shut down the unit n o e r u t a r e p m e t e h t n e h w c°. 0 9 r e v o s i k n i s t a e h e h t this will also shut down the unit when the unit enters the e. D o m y b d n a t s : t i u c r i c c s i r e w o p e h t h c t i w s t i e g a t l o v r...

  • Page 18

    9 7 c p 7 2 0 1 7 c p 7 2 1 7 y z h m 2 9 5 0 . 1 1 v 5 + c711 0.1u 20% c vi tu ta 2 ta 1 di 1 7 s x u a 2 7 s r e n u t 4 7 s 1 e p a t 3 7 s o e d i v 5 7 s c s i d 7 7 s d c 6 7 s 2 e p a t 1 7 d x u a 2 7 d r e n u t 3 7 d o e d i v 4 7 d c s i d 6 7 d 2 e p a t 5 7 d 1 e p a t 7 7 d d c 6 2 7 r...

  • Page 19

    C355bee document number: sheet: state: c758 100p project: c759 100p date: date: date: date: the information contained in this drawing is the sole property of nad electronics international. Any reproduction in part of whole without the written permission of nad electronics international is prohibited...

  • Page 20

    C3 3 4 (-18v) 5 1 4 c 6 1 4 c (m ai n i n l) j12 3 j14 6 j10 1 j14 2 j14 3 j11 0 j10 9 j14 8 r 439 5 1 1 q 4 1 1 q j1 2 5 j12 4 (-55v) j12 1 j1 0 3 (+55 v ) r 158 1 4 c i r 157 2 2 1 c 1 2 1 c r 160 r1 6 1 r 156 r142 j1 2 6 q111 r133 r1 2 5 r1 2 9 r1 2 7 r131 q113 c113 r139 r 107 r1 3 7 5 4 1 j c127...

  • Page 21

    J510 white red 5 1 5 j ) d n g( c517 c525 c524 c526 d513 r533 r561 r562 r534 r567 r532 q59 q510 ic51 v 0 5 2 l a m 0 0 5 t 5 5 f j58 d52 c523 cb53 0 2 5 j 5v gnd trig i-v -44v +44v ac det cb52 r531 (gnd) white -55v red +55v 8 5 b c j519 c518 4 5 b c 2 1 5 j 4 1 5 j v 5 5- f51 6 1 5 j e u l b c51 v 0...

  • Page 22

    R7 5 0 0 1 7 s 4 7 s 0 . 1 m v d r a o b e n o h p d a e h : 7 - b c p cz45 r455 jk 4 1 r454 d7 2 3 r7 8 9 j7 4 0 j70 8 j7 1 4 r796 2 s i s s a h c c 768 c769 j74 2 9 7 s r791 q721 r7 2 1 9 0 7 j 3 0 7 j 1 7 c i r7 7 1 c7 2 r 772 d722 r7 7 8 d7 2 4 r7 8 8 r7 1 1 0 7 r q7 20 2 7 q 6 6 7 r 3 7 q 4 7 q...

  • Page 23

    22 pcb-4 amp-smd-l & pcb-5 amp-smd-r are non-serviceable parts amp-smd-r board vm3.0 r1 2 0 c14 r1 5 5 r1 1 0 r1 1 2 c1 2 4 r1 6 9 l12 r1 2 3 q1 3 r1 04 r1 2 2 r1 0 5 r1 06 d1 4 d1 6 top view q102 q15 r1 16 q104 q17 c104 pcb-5:amp-smd-r board vm3.0 r1 73 q19 cz11 q12 r1 5 9 r1 4 9 r1 1 1 r1 1 5 r1 9...

  • Page 24

    Troubleshooting guide push the power supply is the amber led amber yes no can pressing any key make ok is it red? No yes check the protect ciruit no check the 5v supply circuit (on power board) yes check the amber led control is it green? Circuit(q72,q73,q74,led d717) no no is the standby singal low...

  • Page 25

    Circuit no. Part no. Description ics ic41, ic 42, ic43 03-00082-40 tl082cp/cn/d ic44 02-01237-10 protection module ic11, ic21, ic301 03-00431-03 az431bz-b diodes d17, d27, d101, d102, d103, d201, d202, d203, d37, d38, d39, d310, d311, d312, d313, d316, d317, d42, d43, d403, d412, d413, d417, d418, d...

  • Page 26

    C131, c231, c110, c111, c210, c211, c323, c324, c49, c410 n06-47031-03 47uf, 35v, ±20% c325, c326, c341, c342 06-47021-09 47uf, 25v, ±20% c47 06-47051-02 47uf, 50v, ±20% c420 06-10111-00 100uf, 16v, ±20% c413, c414 06-22161-00 220uf, 63v, ±20% c15, c16, c25, c26, c43, c44 06-22161-00 220uf, 63v, ±20...

  • Page 27

    R483 07-10274-50 270k, 1/6w, ±5% r157, r257,r472 07-10474-50 470k, 1/6w, ±5% r156, r256 07-10474-51 470k, 1/4w, ±5% r337, r338, r339, r341, r342, r343, r349, r350, r351, r352, r353, r354, r355, r356, r357, r358, r394, r395 07-10105-51 1m, 1/4w, ±5% r134, r234 n07-10125-50 1m2, 1/6w, ±5% r327, r328 0...

  • Page 28

    Tp1, tp2, tp3, tp4, tp10, tp11 13-10001-00 test-1® cb35, cb45 13-22503-00 xhb2.5a-3a cb47 13-22507-00 xhb2.5a-7a cb34 13-22509-00 xhb2.5a-9a cb31 n13-22512-03 xhb2.5a-10a rca31,rca32,rca33 rca34 17-01006-00 6 holes red and white, gilt phone2 17-02001-04 st-323b-04 ckk-3.5-02-3p phone1 17-02002-00 ph...

  • Page 29

    J7, j11, j12, j34, j37, j43 j66, j77, j87, j90, j97, j98, j100, j103, j116, j118, j119, j121, j129 ,j130, j145, j170, j179 21-06000-00 l=10mm j27, j83, j92, j101, j102, j115 j142, j144, j146, j156, j157 j171, j176 21-06000-00 l=12.5mm j4, j54, j55, j74, j78, j86, j95 j111, j134, j153, j162, j168 j17...

  • Page 30

    R211, r212, r259 07-91000-00 100 ¡, ±1% r269 07-93300-00 330 ¡, ±1% r29, r201, r205, r210 n07-93902-00 39k ¡, ±1% r223 n07-94702-10 47k ¡, ±1% r221, r222 07-91003-00 100k ¡, ±1% r202, r204 n07-92203-00 220k ¡, ±1% capacitors c28, c29 26-39051-00 39pf, 50v, ±5% c22, c224 26-10251-10 1nf, 50v, ±5% c23...

  • Page 31

    C53 05-47242-00 4n7p, 400v, ±20% c53 78-001001-0 shinagawa 811810-23(sleeve boot) c54 25-33422-00 mkp62, 275v, 0.33uf 10% c526 06-10111-00 100uf, 16v, ±20% c51, c52 25-10322-00 10n/250v 10% c524 06-22251-00 2200u/50v 20% c523 06-33251-00 3300u/50v 20% c525 06-47211-00 4700u, 16v, ±20% c517, c518 06-...

  • Page 32

    D71 ,d72, d73, d74, d76, d77, d708, d709, d716,d719 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 n05-27013-00 27p, 1kv, ±10% c758, c759 05-10113-01 100p, 1kv, ±10% c714, c715, c716, c717, c718, c719, c720, c721, c766, c767 c76...

  • Page 33

    J702, j708, j714, j721, j722, j723,j724, j740 21-06000-00 l=12.5 j725, j739 21-06000-00 l=15 j717, j726, j733 21-06000-00 l=18 j732 21-06000-00 l=20 j712 21-06000-00 l=25 circuit no. Part no. Description resistors r792 07-10101-50 100 ¡, 1/6w, ±5% connecter cz78 13-22503-00 xhb2.5a-3a cz77 17-08009-...

  • Page 34

    Knob button bezel n77-091003-0 hs4-c355-b009v1-p003 3p input button bezel n77-091001-0 hs4-c355-b009v1-p001 led lens bezel 77-062001-1 led lens bezel n77-091004-0 hs4-c355-b009v1-p004 foot assy 87-010004-0 foot 75-010004-1 hs4-t973-b009v1-p006 b foot pad 78-001002-0 hs4-c320-b009v1-p010 fasteners se...

  • Page 35

    S004 s013 s014 k001 c012 k002 s017 s020 s018 c355bee exploded views c001 c002 c003 c006 c007 c008 c009 c010 c011 c015 c013 c014 t001 f002 c016 f001 s015 f003 f004 f005 f006 f007 f009 f008 f010 f011 f012 f013 f014 f016 f017 f018 f019 f020 f021 f022 f015 r001 r002 rs01 r003 r004 r005 p001 m001 m002 m0...

  • Page 36

    Ref.No part no. Description qty. Ref.No part no. Description qty. C001 66-091001-2 chassis 1 r003 11-01101-03 rocker switch 1 c002 66-001004-1 base cover 1 r004 17-07002-00 ac inlet 1 c003 66-001010-0 thansbracket 1 r005 17-07002-10 ac outlet ah:1 c004 67-091003-0 shielding box 1 c005 a18-35515-30 t...