NAD S400, Service Manual

Page 1: ...NAD SERVICE MANUAL S 400 S 400 RDS FM TUNER RDS FM TUNER ...

Page 2: ......

Page 3: ...WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS AN X RAY SHIELD ...

Page 4: ... AND ONLY IF QUALIFIED PERSONNEL PERFORM THE ALIGNMENT Depending on the country the S400 can be setup differently via the front panel buttons Hold down the MODE button while switching on the power You now see a start up menu where you can toggle between the various menu options with the DISPLAY button and save the choice with the STORE button For continental US select BAND EU USA 87 500 MHz to 108...

Page 5: ...e common point between CF3 and CF4 found at position O4 see Figure 1 This point will be DC voltage free Leave the oscilloscope set to this point until told to remove it In the order listed below Adjust L10 until the IF signal for maximum setting Adjust L7 until the IF signal for maximum setting Adjust L1 until the IF signal for maximum setting Readjust L10 L7 and L1 until there is no more improvem...

Page 6: ...hat the IF signal had increased approximately 3 dB compared to IF NARROW Remove the oscilloscope probe from the common point between CF3 and CF4 7 Connect an RF signal generator to ANTENNA port 1 and set to Amplitude 70 dBu Pilot tone off Modulation off Frequency 98 000 MHz Adjust L13 or VR1 until the centre tune LED turns on Fine adjust VR1 so that it lights from approximately 97 965 MHz to 98 03...

Page 7: ...ion in the right side of the RF signal generator Switch off the modulation in the left side of the RF signal generator Adjust L12 until minimum audio output is measured in the left side Record this minimum output level Use the side with the worst channel separation to adjust L12 by repeating the above two steps After adjusting L12 adjust C37 to minimum output level maximum channel separation Chann...

Page 8: ...P r e l i m i n a r y L1 L2 L10 L12 L7 VR1 L13 IC1 R21 Unsolder Clip Unsolder Clip CF4 CF2 CF3 L14 C37 L3 L4 RIGHT LEFT ANTENNA 2 ANTENNA 1 NAD S400 ...

Page 9: ...P r e l i m i n a r y NAD S400 ...

Page 10: ...P r e l i m i n a r y NAD S400 ...

Page 11: ...P r e l i m i n a r y NAD S400 ...

Page 12: ...P r e l i m i n a r y NAD S400 ...

Page 13: ...P r e l i m i n a r y NAD S400 ...

Page 14: ...P r e l i m i n a r y 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: ... 100N C129 1206 SMD MCH315C104K ROHM 3050 4825 100N C130 1206 SMD MCH315C104K ROHM 4050 4830 100N C132 1206 SMD MCH315C104K ROHM 4350 4830 100N C133 1206 SMD MCH315C104K ROHM 3540 2700 100N C20 1206 SMD MCH315C104K ROHM 5574 3114 100N C38 1206 SMD MCH315C104K ROHM 4950 1850 100N C44 1206 SMD MCH315C104K ROHM 4426 1595 100N C45 1206 SMD MCH315C104K ROHM 4426 1880 100N C52 1206 SMD MCH315C104K ROHM ...

Page 24: ...11VZ ZD1 SOT23 BZX84C11 215 PHILIPS 6400 1700 120P C60 1206 SMD MCH315A121J ROHM 3550 4100 120P C68 1206 SMD MCH315A121J ROHM 4250 4100 120P C1 1206 SMD MCH315C102K ROHM 7050 4700 120P C3 1206 SMD MCH315C102K ROHM 5850 4700 120P C28 1206 SMD MCH315A270J ROHM 5495 735 120P C70 1206 SMD MCH315A270J ROHM 5495 645 15P C27 1206 SMD MCH315A150J ROHM 6790 4010 15P C36 1206 SMD MCH315A150J ROHM 6595 4025 ...

Page 25: ... C90 1206 SMD MCH315A270J ROHM 6100 450 27P C91 1206 SMD MCH315A270J ROHM 6100 550 27P C98 1206 SMD MCH315A270J ROHM 7150 1800 2K2 R24 1206 SMD RC06A222JT YAGEO 6250 2650 2K2 R50 1206 SMD RC06A222JT YAGEO 4626 1970 2K2 R93 1206 SMD RC06A222JT YAGEO 6900 1200 2K2 R98 AXIAL0 5 RC06A222JT YAGEO 2100 1200 2K2 R31 1206 SMD RC06A222JT YAGEO 3625 4450 2N2 C16 1206 SMD MCH315C222K ROHM 6700 2800 2N2 C6 12...

Page 26: ... YAGEO 6900 4425 56K R13 1206 SMD RC06A563JT YAGEO 6850 3700 56K R22 1206 SMD RC06A563JT YAGEO 7099 3499 56K R23 1206 SMD RC06A563JT YAGEO 6829 3499 680K R65 1206 SMD RC06A684JT YAGEO 4176 1490 68K R43 1206 SMD RC06A683JT YAGEO 3700 1740 68K R52 1206 SMD RC06A683JT YAGEO 4426 1685 6K2 R67 1206 SMD MCR18F6201 ROHM 4650 3200 6K2 R79 1206 SMD MCR18F6201 ROHM 3950 3200 6N8 C49 1206 SMD MCH315C682K ROH...

Page 27: ...PIC16C76 MICROCHIP 5600 1025 SFE107ML CF3 CERFILTER SFE107ML MURATA 5900 1750 SFE107ML CF4 CERFILTER SFE107ML MURATA 5900 1900 SFE107MZ2 CF2 CERFILTER SFE107MZ2 MURATA 6200 1900 SAA6579T IC10 SMD16B SAA6579T PHILIPS 6750 715 TDA1592T IC3 SMD20 TDA1592T PHILIPS 4066 2015 TDA1599T IC2 SMD20 TDA1599T PHILIPS 5165 2350 TLP622 OPT1 SMD OPTO TLP622 TOSHIBA 3550 4500 TSA6057T IC9 SMD16B TSA6057T PHILIPS ...

Page 28: ...2K7 PHILIPS 2K7 R11 AXIAL0 4 2K7 PHILIPS 2K7 R12 AXIAL0 4 2K7 PHILIPS 2K7 R13 AXIAL0 4 2K7 PHILIPS 2K7 R14 AXIAL0 4 2K7 PHILIPS 2X8P HEADER CONN5 IDC16 W8816 WINSLOW MSW1 SW1 POWERSWITCH MS 59 A YI WAI SDTX 610 N TS1 TACT6X6 SDTX 610 N BOURNS SDTX 610 N TS2 TACT6X6 SDTX 610 N BOURNS SDTX 610 N TS3 TACT6X6 SDTX 610 N BOURNS SDTX 610 N TS4 TACT6X6 SDTX 610 N BOURNS SDTX 610 N TS5 TACT6X6 SDTX 610 N ...

Page 29: ...P r e l i m i n a r y ...

Page 30: ... TU NE ITEM 1 2 3 4 AH 4 C 5 6 7 8 9 10 11 QTY 1 SET 1 1 1 1 1 1 1 1 1 1 SET 1 SET PART NUMBER S100 2110 A S100 2210 A S400 POW4 POW2 WARR S400 IM 101 000B RC S400 101 000A R03 GLOVES DESCRIPTION POLYFOAM CARTON BOX S400 POWER CORD NEMA 1 15 POLARIZED POWER CORD CEE 7 XVII WARRANTY CARD INSTRUCTION MANUAL NAD LINK CABLE REMOTE CONTROL HANDSET AUDIO CABLE BATTERIES GLOVES ...

Page 31: ...M TUNER S 400 RDS FM TUNER NA NAD D All rights reserved No part this publication may be reproduced stored or transmitted in any form without the written permission of NAD Electronics International www nadelectronics com 2003 NAD ELECTRONICS INTERNATIONAL ONTARIO CANADA ...