NAD C 355BEE Service Manual
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NAD C 355BEE Service Manual

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NAD
C 355BEE
STEREO
AMPLIFIER

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Summary of Contents for NAD C 355BEE

  • Page 1 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............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 PRODUCT SAFETY SERVICING GUIDELINES CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN VOLTAGE MEASURE MUST NOT EXCEED 75 VOLTS R.M.S. ANY WAY. NEVER PERFORM CUSTOMIZED INSTALLATIONS THIS CORRESPONDS TO 0.5 MILLIAMP AC ANY VALUE WITHOUT MANUFACTURER’S APPROVAL. UNAUTHORIZED EXCEEDING THIS LIMIT CONSTITUTES A POTENTIAL MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT SHOCK HAZARD AND MUST BE CORRECTED IMMEDIATELY.
  • Page 4 SERVICING PRECAUTIONS CAUTION : Before servicing the A/V Receiver covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and addends, read and follow the Some semiconductor (solid state) devices can be damaged easily by SAFETY PRECAUTIONS. NOTE : if unforeseen circumstances static electricity.
  • Page 5 17 9 INPUT 16. RS-232 INPUT 17. PRE OUT 1 (TAPE MONITOR) 18. ON OFF POWER (AC) SWITCH 11. SPEAKERS A & B...

  • 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 and 8).

  • 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 Signal / Noise ratio, A-weighted 97.0 dB ref. 1W (from CD Input to Speakers Output, Volume Setting for 500mV in , 8ohms 1W out) Signal to noise ratio preamp out, IHF “A”...
  • Page 8 01-35502-00 01-35504-00 01-35503-00 01-35504-00...
  • Page 10 c r i c r i n i l c r i...
  • Page 11 AT89S52 KEY BOARD IC73 P0.0 - P0.7 P2.0 - P2.7 PORT 0 DRIVERS PORT 2 DRIVERS RAM ADDR. PORT 0 PORT 2 FLASH REGISTER LATCH LATCH PROGRAM STACK ADDRESS REGISTER POINTER REGISTER BUFFER TMP2 TMP1 INCREMENTER INTERRUPT, SERIAL PORT, AND TIMER BLOCKS PROGRAM COUNTER PSEN...

  • Page 13: Functional Block Diagram

    24C01 KEY BOARD IC71 PIN CONFIGURATION FUNCTIONAL BLOCK DIAGRAM HIGH VOLTAGE GENERATOR, TIMING & CONTROL CONTROL LOGIC EEPROM SLAVE ADDRESS ARRAY REGISTER & COMPARATOR WORD ADDRESS COUNTER DECODER Clock > DATA DI/O REGISTER nMOS...

  • Page 14: Alignment Procedures

    ALIGNMENT PROCEDURES I. 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 become to the lowest level.
  • Page 15 i r r l t u...

  • Page 16: Schematics

    SCHEMATIC DIAGRAM(2/4) PREAMP CIRCUIT Vm1.0 PCB-1:MAIN BOARD Vm1.0 CB31 RL31B RCA31A TO CZ76 Mute Relay DISC TAPE1 TAPE2 TUNER R349 100p RL32B RCA31C VIDEO C355BEE RELAY CONTROL CIR. DISC IPOD +12V R351 +12V 100p IROUT RL33B RCA31E D310 D311 D312 D313 D316 D317...
  • Page 17 3 ) 4 . I . : t i c t i a t l i s t C°. . I . i t c o i t This will shut down the unit i s t C°. This will also shut down the unit when the unit enters the i t c i p i...
  • Page 18 SCHEMATIC DIAGRAM GREEN LED KEYBOARD AND GREEN LED STANDBY LED BOARD ASSEMBLY PART # 01-35599-00 BEFORE SERIAL NUMBER H95C355BEEG12811 . I . . I . . I . . I .
  • Page 19 NAD ELECTRONICS INTERNATIONAL 090416 Add Q722---Q726,R704---R707,R709---R717 THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF NAD Change D717 to tri-color 090416 ELECTRONICS INTERNATIONAL. ANY REPRODUCTION IN PART OF WHOLE WITHOUT THE Change R71 to 62ohms,R72 to 100ohms,R730 to 2K2 090416 WRITTEN PERMISSION OF NAD ELECTRONICS INTERNATIONAL IS PROHIBITED.
  • Page 21 PCB-2: POWER BOARD Vm1.0 CB56 To Power Switch Q520 Q519 Q518 Q517 CB59 To AC Outlet J513 (For 120VAC Version) NAD ELECTRICS H501 COPYRIGHT C 2007 NAD C355BEE POWER BOARD +55V -55V J510 WHITE Vm1.0 C518 CB51 J519 (GND) R531 -55V +55V WHITE...
  • Page 22 PCB-3: KEYBOARD Vm 1.0 BEFORE SN: H95C355BEEG12811...
  • Page 23 PCB-4 AMP-SMD-L & PCB-5 AMP-SMD-R ARE NON-SERVICEABLE PARTS PCB-4:AMP-SMD-L BOARD VM3.0 PCB-4:AMP-SMD-L BOARD VM3.0 BOTTOM VIEW TOP VIEW C203 C204 Q204 Q203 Q202 Q201 CZ21 AMP-SMD-L BOARD Vm3.0 PCB-5:AMP-SMD-R BOARD VM3.0 PCB-5:AMP-SMD-R BOARD VM3.0 TOP VIEW BOTTOM VIEW C104 C103 Q104 Q103 Q102...

  • Page 24: Troubleshooting Guide

    TROUBLESHOOTING GUIDE PUSH THE POWER SUPPLY CHECK THE AMBER LED CONTROL SWITCH TO ON CIRCUIT(Q72,Q73,Q74,LED D717) CHECK 12V SUPPLY CHECK THE 5V SUPPLY CIRCUIT IS THE AMBER LED AMBER IS IT GREEN? IS IT RED? (ON POWER BOARD) LIGHT? CHECK THE LED CONTROL CIRCUIT(Q72,Q73,Q74,LED D717) AND PROTECET CIRCUIT CAN PRESSING ANY KEY MAKE...
  • Page 25 ELECTRIAL PARTS LIST PCB-1: MAIN BOARD PART NUMBER 01-35501-10 C355 AH & 01-35501-20 C355 C-Version CIRCUIT NO. PART NO. DESCRIPTION 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, 33-44148-00...
  • Page 26 C131, C231, C110, C111, C210, N06-47031-03 47uF, 35V, ±20% C211, C323, C324, C49, C410 C325, C326, C341, C342 06-47021-09 47uF, 25V, ±20% 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% C422...
  • 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, 07-10105-51 1M, 1/4W, ±5% R353, R354, R355, R356, R357, R358, R394, R395 N07-10125-50 R134, R234 1M2, 1/6W, ±5% R327, R328...
  • Page 28 TP1, TP2, TP3, TP4, TP10, 13-10001-00 Test-1® TP11 CB35, CB45 13-22503-00 XHB2.5A-3A CB47 13-22507-00 XHB2.5A-7A CB34 13-22509-00 XHB2.5A-9A N13-22512-03 CB31 XHB2.5A-10A RCA31,RCA32,RCA33 17-01006-00 6 holes red and white, gilt RCA34 PHONE2 17-02001-04 ST-323B-04 CKK-3.5-02-3P PHONE1 17-02002-00 PHONEJACK2 Binding Post(Red) 17-03002-01 C VERSION Binding Post(Black) 17-03002-02...
  • Page 29 J7, J11, J12, J34, J37, J43 J66, J77, J87, J90, J97, J98, J100, J103, J116, J118, J119, 21-06000-00 L=10mm J121, J129 ,J130, J145, J170, J179 J27, J83, J92, J101, J102, J115 J142, J144, J146, J156, J157 21-06000-00 L=12.5mm J171, J176 J4, J54, J55, J74, J78, J86, J95 J111, J134, J153, J162, J168 21-06000-00...
  • 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...
  • Page 31 05-47242-00 4n7p, 400V, ±20% 78-001001-0 Shinagawa 811810-23(Sleeve Boot) 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 06-22361-01 22000uF/63V, 20%, 105 RESISTORS R561, R565 07-10101-51...
  • Page 32 D71 ,D72, D73, D74, D76, D77, 33-50350-00 3 GREEN LED D708, D709, D716,D719 33-50340-00 3 AMBER LED CRYSTAL 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 24-10312-00 10nF, 100V, ±20% C768...
  • Page 33 J702, J708, J714, J721, J722, 21-06000-00 L=12.5 J723,J724, J740 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 PCB-7: RS232 BOARD PART NUMBER 01-35509-00 (replace only, do not service) CIRCUIT NO. PART NO. DESCRIPTION RESISTORS R792 07-10101-50...
  • Page 34 N77-091003-0 KNOB BUTTON BEZEL HS4-C355-B009V1-P003 N77-091001-0 3P INPUT BUTTON BEZEL HS4-C355-B009V1-P001 LED LENS BEZEL 77-062001-1 N77-091004-0 LED LENS BEZEL 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 Self Taping Screw 61-023108-0 STB3×8 Self Taping Screw 61-023106-0 STB3×6 Self Taping Screw...

  • Page 35: Exploded View

    C355BEE EXPLODED VIEWS M003 S001 *C003 66-001010-0 THANSBracket S003 S011 R002 *C004 67-091003-0 Shielding Box M002 S012 S004 *C005 18-35515-20 Transformer RS01 S020 *C006 66-001008-0 TRANS Disc *C007 94-001004-2 Transformer Label T001 *S009 64-108055-0 M8X55 BOLT C007 S010 *S010 63-020820-0 F 8 Spring Washer *S011 62-010802-0...

  • Page 36: Exploded View Parts List

    C355BEE EXPLODED VIEW PARTS LIST REF.NO PART NO. DESCRIPTION Qty. REF.NO PART NO. DESCRIPTION Qty. C001 66-091001-2 Chassis R003 11-01101-03 Rocker Switch C002 66-001004-1 Base Cover R004 17-07002-00 AC Inlet C003 66-001010-0 THANSBracket R005 17-07002-10 AC Outlet AH:1 C004 67-091003-0 Shielding Box A18-35515-30 Transformer AH:1...

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