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NAD S 400 Service Manual

NAD S 400 Service Manual

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S 400
RDS FM TUNER

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Summary of Contents for NAD S 400

  • Page 1 S 400 RDS FM TUNER...
  • Page 3 PRODUCT SAFETY SERVICING GUIDELINES FOR NAD PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION.
  • Page 4: Alignment Procedure

    NAD S400 ALIGNMENT PROCEDURE FOR NAD S400: EQUIPMENT REQUIRED FOR ALIGNMENT PROCEDURE: Ω • FM RF signal generator capable of 75MHz to 109MHz output @ 75 that can separately modulate left and right channels (Panasonic model # VP-7637A or equivalent) •...
  • Page 5 NAD S400 Tune the S400 to 108.500 MHz (90.500 MHz for Japan). Looking at the S400 from the front, measure with a DMM at the right hand side of R21 found at position “R6” on the board. Adjust L13 until the tuning voltage is 10.0V DC.
  • Page 6 NAD S400 With the same oscilloscope setup as in procedure #3, press the ANTENNA button and select ANTENNA port #1. Check that the IF-signal is reduced by a minimum of 40 dB. Connect the signal generator to ANTENNA port #1. With the same oscilloscope setup as in procedure #3, adjust L2 until the IF-signal is at maximum setting.
  • Page 7 NAD S400 With the audio AC-voltmeter connected as in procedure #9, select 0 db range for both channels. Connect an RF signal generator to ANTENNA port #1 and set to: Amplitude = 65 dBu Pilot tone = on (19 kHz @ 10%) Modulation = 100% (including pilot tone) [1kHz @ +/- 75 kHz L+R and L-R].
  • Page 8 NAD S400 LEFT RIGHT ANTENNA 2 ANTENNA 1 Unsolder Clip Unsolder Clip...
  • Page 9 NAD S400...
  • Page 10 NAD S400...
  • Page 11 NAD S400...
  • Page 12 NAD S400...
  • Page 13 NAD S400...
  • Page 14 NAD S400...
  • Page 15 NAD S400 MAIN BOARD...
  • Page 16 NAD S400 MAIN BOARD...
  • Page 17 NAD S400 POWER BOARD...
  • Page 18 NAD S400 POWER BOARD...
  • Page 19 NAD S400 SUB DISPLAY BOARD...
  • Page 20 NAD S400 SUB DISPLAY BOARD...
  • Page 21 NAD S400 MAIN DISPLAY BOARD...
  • Page 22 NAD S400 MAIN DISPLAY BOARD...
  • Page 23 ELECTRICAL PARTSLIST MOTHERBOARD VALUE DESIGNATOR FOOTPRINT MANUFACT P.N. MANUFACTURER COOR X COOR Y 100E 1206 SMD MCR18F1000 ROHM 6390 4160 100E R100 1206 SMD MCR18F1000 ROHM 6245 4195 100E 1206 SMD MCR18F1000 ROHM 6625 2340 100E 1206 SMD MCR18F1000 ROHM 4650 4025 100E...
  • Page 24 VALUE DESIGNATOR FOOTPRINT MANUFACT P.N. MANUFACTURER COOR X COOR Y 1206 SMD MCR18F1002 ROHM 5609 3204 1206 SMD MCR18F1002 ROHM 6300 2050 1206 SMD MCR18F1002 ROHM 4250 3650 1206 SMD MCR18F1002 ROHM 3550 3550 1206 SMD MCR18F1002 ROHM 3550 3650 1206 SMD MCR18F1002 ROHM...
  • Page 25 VALUE DESIGNATOR FOOTPRINT MANUFACT P.N. MANUFACTURER COOR X COOR Y 1N4448 1206 SMD 1N4448 PHILIPS 4000 1N4448 1206 SMD 1N4448 PHILIPS 3900 1100 1N4448 1206 SMD 1N4448 PHILIPS 4000 1100 1N4448 1206 SMD 1N4448 PHILIPS 5150 1N4448 1206 SMD 1N4448 PHILIPS 3845 4195...
  • Page 26 VALUE DESIGNATOR FOOTPRINT MANUFACT P.N. MANUFACTURER COOR X COOR Y 470N 1206 SMD MCH312F474Z ROHM 3750 3650 470N 1206 SMD MCH312F474Z ROHM 5150 470P 1206 SMD MCH315A471J ROHM 4626 2090 470P 1206 SMD MCH315A471J ROHM 4426 2090 470U C114 RB.2/.4 2222 037 50471 PHILIPS 1650...
  • Page 27 VALUE DESIGNATOR FOOTPRINT MANUFACT P.N. MANUFACTURER COOR X COOR Y C1016007 CONN2 PALCON C1016007 LARSHOLT 6900 5200 CD4066BM SMD14A HEF4066BM PHILIPS 3875 2700 CD4094 IC16 SMD16A HEF4094 PHILIPS 4645 1025 CFSK107M3-0-20 CF1 CERFILTER CFSK107M3-0-20 TOKO 5625 3515 CSB456 RES1 RAD0.2 CSB456 TOKO 4000...
  • Page 28 ELECTRICAL PARTSLIST DISPLAYBOARD VALUE DESIGNATOR FOOTPRINT MANUFACT P.N. MANUFACTURER COOR X COOR Y S400FT03.PCB S400FT03.PCB LARSHOLT BLUE LED LED1 RT3-6134-B2S-B RODAN BLUE LED LED2 RT3-6134-B2S-B RODAN BLUE LED LED3 RT3-6134-B2S-B RODAN BLUE LED LED4 RT3-6134-B2S-B RODAN BLUE LED LED5 RT3-6134-B2S-B RODAN HEF4094BP DIP16...
  • Page 30 S400 S400 POWER CORD NEMA 1-15 POLARIZED 4*AH POW4 POW2 POWER CORD CEE (7) XVII WARRANTY CARD WARR INSTRUCTION MANUAL S400-IM 101-000B NAD LINK CABLE REMOTE CONTROL HANDSET RC S400 AUDIO CABLE 101-000A BATTERIES 1 SET GLOVES GLOVES 1 SET...
  • Page 31 S 400 NA D D www.nadelectronics.com RDS FM TUNER © 2003 NAD ELECTRONICS INTERNATIONAL ONTARIO, CANADA All rights reserved. No part this publication may be reproduced, stored or transmitted in any form without the written permission of NAD Electronics International...