NAD-T163PII-pre-sm维修电路原理图.pdf

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1、NAD SERVICE MANUALT 163 T 163 PHASE II & VC AV Tuner Preamplifier DRAFT DATE: 16 AUG 2005 RadioFans.CN 收音机爱好者资料库 2 SAFETY INFORMATION RadioFans.CN 收音机爱好者资料库 3 SERVICE SAFETY PRECAUTIONS 1. Replacing the fuses CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF

2、 FUSE. Reference DesignatorSCMPart NumberDescription F751370-015100-04(4)33-0151009-00-88FUSE 500mA 250VAC TIME-LAG 5X20mm 5T UL/CSA/VDE/SEMKO F752370-011100-07(5)33-0111009-00-88FUSE 1A 250VAC TIME-LAG 5X20mm 5T UL/CSA/VDE/SEMKO 2. Safety check out (Only U.S.A. model) Before returning the product t

3、o the customer, make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from supply circuit. CONTENTS DESCRIPTIONPAGE SPECIFICATIONS. 4 - 5 REAR PANEL / FRONT PANEL VIEW . 6 DISASSEMBLY INSTRUCTIONS . 7 WIRING DIAGRAM. 8 - 9 BLOCK DIAGRAM. 10 SPECIAL

4、FUNCTION .11 DETAILS & WAVEFORMS ON SYSTEM & TEST & DEBUGGING .11 PCB LAYOUT . 12 - 20 SCHEMATIC DIAGRAM . 21 - 33 IC BLOCK DIAGRAM . 34 - 41 EXPLODED VIEW. 42 EXPLODED VIEW PARTS LIST. 43 - 44 ELECTRICAL PARTS LIST . 45 - 56 PACKING DIAGRAM . 57 Parts marked with the symbol are critical with regard

5、 to the risk of fire and electric shock. Replace only with parts recommended by the manufacturer. RadioFans.CN 收音机爱好者资料库 4 SPECIFICATIONS PRE AMPLIFIER SECTION Rated distortion(1 VPre-out, THD 20 Hz-20 kHz FL/C/FR) 0.1 % (1 VPre-out, THD 20 Hz-20 kHz SL/SR/BS) 0.1 % Input Sensitivity(1 VPre-out, 1

6、kHz)390 20 mV S/N Ratio(A-wtd, 1kHz, 1 VPre-out, FL/C/FR/SL/SR/BL) 80 dB Frequency Response(20 Hz - 20 kHz)0 1.0 dB Channel Balance(1 dB to -40 dB, 1 kHz) 2 dB (-41 dB to -50 dB, 1 kHz) 3 dB Audio muting at 1 kHz 55 dB Subwoofer out, 500 mV in (THD at 2 V O/P, 100 Hz) 0.5 % Crosstalk(500 mV input, 1

7、 V Pre-out) 60 dB Controls Bass(at 500 mV in, 1 V Pre-out, 100 Hz) 10 dB 2 dB Treble(at 500 mV in, 1 V Pre-out, 10 kHz) 10 dB 2 dB DOLBY DIGITAL SECTION Channel Difference (FL ref. Track 30) 1.2 dB Frequency Response at Dolby config.2SL Track 46 200 - 20 kHz 0.8 dB SR Track 47 200 - 20 kHz 0.8 dB C

8、Track 44 200 - 20 kHz 0.8 dB Harmonic Distortion (1 VPre-out, Audio LPF, Dolby Congfig 1) FL Track 65 997 Hz 0.08 % FR Track 67 997 Hz 0.08 % SL Track 68 997 Hz 0.08 % SR Track 69 997 Hz 0.08 % C Track 66 997 Hz 0.08 % S/N Ratio(TRACK 30 for O/P 100 mV, PAUSE) CCIR / ARM 65 dB Audio LPF 70 dB A-WTD

9、70 dB DOLBY PRO LOGIC II SECTION Frequency Response I/P mode : L, R: 1 V in, 100 mV Pre-out, Ch L/R40 Hz0 2.0 dB 20 kHz0 2.0 dB I/P mode : L=R: 1 V in, 100 mV Pre-out, Ch /L/R40 Hz0 2.0 dB Ch C20 kHz0 2.0 dB I/P mode : L=-R: 1 V in, 100 mV Pre-out, Ch SL/SR 40 Hz0 2.0 dB 20 kHz0 2.0 dB S/N Ratio (20

10、0 mV in, 100 mV Pre-out, A-WTD w/ 1 k termination) I/P mode : L, R: 1 kHz, Ch L/R 65 dB I/P mode : L=R: 1 kHz, Ch C 65 dB I/P mode : L=-R: 1 kHz, Ch SL/SR 65 dB THD (2.2 V in, 100 mV Pre-out, w/ 80 kHz LPF, 1 kHz) 0.2 % RadioFans.CN 收音机爱好者资料库 5 DTS SECTION Output Level (Vol 0 dB): FL/FR/C/SL/SRTrac

11、k 61 kHz70 10 mV Channel Difference (FL ref): FL/FR/C/SL/SRTrack 61 kHz 1.5 dB Harmonic Distortion (Audio Filter) : FL/FR/C/SL/SRTrack 10-14 1 kHz 0.08 % Frequency Response (20 Hz to 20 kHz)Track 26-30+2/-1.5 Subwoofer Output Level1 kHz ref at pre-out (FL)Play Track 10, charge to 1512.5 1.5 dB AM TU

12、NER SECTION Input level is expressed as the reading in open circuit of 75-ohm source impedance signal generator Usable sensitivity(999/1000 kHz) 30 dB V S/N Ratio(5 mV in) 38 dB THD(5 mV in) 3 % IF Rejection(450 kHz) 36 dB Image Rejection(F+2xIF) 28 dB Selectivity 17 dB Output200 20 mV Loop sensitiv

13、ity(20 dB S/N) 999/1000 kHz 66 dB 603/600 kHz 66 dB 1404/1400 kHz 66 dB Frequency Response(100 - 2.3 kHz, 5 mV) 6 dB FM TUNER SECTION*C*AH Input level is expressed as the reading in open circuit of 75-ohm source impedance signal generator Usable sensitivity(98 MHz) 15 dB 15 dB v S/N Ratio(60 dB, IHF

14、 wtd)Mono 63 dB 63 dB Stereo 63 dB 63 dB Frequency Response(20 Hz - 15 kHz, 60 dB)0 1.5 dB0 1.5 dB Channel Separation(60 dB)100 Hz 30 dB 30 dB 1 k 38 dB 38 dB 10 kHz 30 dB 30 dB Alternate Channel Selectivity (40 dB 400 kHz) 60 dB 45 dB Capture Ratio(40 dB) 3 dB 3 dB AM Suppression (60 dB, 100% Mod.

15、FM, 30% Mod. AM) 48 dB 48 dB Image Rejection(119.4 MHz) 65 dB I.F. Rejection(10.7 MHz) 78 dB Pilot Suppression(98 MHz) 60 dB 60 dB THD (60 dB, L=R 75 kHz for AH, 40 kHz Dev for C)Mono 0.25 % 0.25 % Stereo 0.35 % 0.35 % Auto-Search SensitivityOn 24 dB 24 dB Off 15 dB 15 dB RDS decode Sensitivity 26 d

16、B PHYSICAL SPECIFICATIONS Dimensions (Width x Height x Depth)435 x 150 x 399 mm Net Weight8 Kg (17.60 lbs) Shipping Weight10.2 Kg (22.40 lbs) RadioFans.CN 收音机爱好者资料库 6 FRONT PANEL REAR PANEL / FRONT PANEL VIEW REAR PANEL 1.MONITOR OUT 2.CD INPUT 3.FM & AM ANTENNA 4.DIGITAL AUDIO INPUT & DIGITAL AUDI

17、O OUTPUT 5.COMPONENT VIDEO IN & COMPONENT VIDEO OUT 6.POWER SWITCH 7.120V / 230V VOLTAGE SELECTOR 8.RS-232 9.AUTO TRIGGER SWITCH 10.AC POWER INLET 11.MS OUT (MULTISOURCE OUT) 12.IR INPUT & OUTPUT 13.DVD, SAT, VCR, VIDEO 4 & VIDEO 5 14.PRE-OUTS / SUBWOOFER OUT 15.TAPE INPUT & OUTPUT 16.DISC INPUT 17.

18、7.1 CH. INPUTS 1.STANDBY SWITCH 2.STANDBY LED 3.AM / FM 4.DISPLAY 5.MEMORY 6.FM MUTE / MODE 7.PRESET DOWN / UP 8.SEARCH DOWN / UP 9.VFL DISPLAY 10.VOLUME (SETUP) 11.VIDEO & AUDIO 12.TAPE MONITOR 13.DIGITAL AUDIO SELECTOR 14.EXT. 7.1 15.SURROUND MODE 16.LEVELS 17.TONE CONTROLS 18.TONE DEFEAT 19.VIDEO

19、 6 INPUT 20.PHONES RadioFans.CN 收音机爱好者资料库 7 DISASSEMBLY INSTRUCTIONS 1.Remove machine screws M4.0 x 8.0 (1 to 6) from the side panels. Remove tapping screw 3.0 x 8.0 (7 to 10) from the back panel. Refer to Figure No. 1. 2.Pull both sides of the TOP COVER slightly outwards 11 and tilt approx. 35 and

20、 then remove in the direction as indicated by the arrow 12. Refer to Figure No. 2. Figure No. 1 Figure No. 2 RadioFans.CN 收音机爱好者资料库 8 WIRING DIAGRAM AUDIO BOARD PRE-OUT BOARD MULTI-CHANNEL COMPONENT VIDEO BOARD DIGITAL BOARD TRIGGER BOARD POWER SUPPLY BOARD MAIN BOARD POWER SWITCH BOARD J203A J753B

21、 KEYBOARD J350B J204BJ901B TUNER J3103BJ709B VIDEO 6 BOARD J204A J350A J753A J901A POWER LED BOARD FROM TRANSFORMER J751B FROM TRANSFORMER J754B J757AJ756A J756B J757B T163 PHASE II WIRE DIAGRAM REV.A DATE 12-7-2005 J705A J708A J707A J710A J712A J711A J717A J719A J720A J715A J713AJ714A J709A J724A J

22、783A J782 J714BJ713B J604B J203B J715B DSP BOARD J1010B J1009B J604A J1009A 724B J719B J717B J601A J602A J603A J601B J602B J603B J708B J707B J705B J712B J711B J710B M783A J414B J414A J1010A P4401P4402 J201 J3103A J607B J607A J606A J606B VIDEO BOARD S-VIDEO BOARD MS OUT BOARD 2 3 4 5 5 9 8 10 11 12 1

23、3 14 15 16 19 20 22 23 2217 18 1 RadioFans.CN 收音机爱好者资料库 9 ITEMPART NO.DESCRIPTIONREMARK 1276-042613-08CABLE ASSY 4 WAYS AWG=26 2.5PAUDIO BD-J3103A L=450mm YB03091104-02 2276-022613-32CABLE ASSY 2 WAYS AWG26X1C UL1533DIGITAL BD-J1009A L=360mm (UL LABEL) 3276-042613-07CABLE ASSY 4 WAYS AWG=26 2.5P UL

24、2468DIGITAL BD-J1010A L=400mm 4276-042613-10CABLE ASSY 4 WAYS AWG=26 2.5P UL2877DIGITAL BD-J901A L=430mm 5276-011843-01CABLE ASSY 1 WAY AWG18 UL1007 BLACKKEYBOARD-J201 L=100mm W/ RING TERMINAL 6276-052613-08CABLE ASSY 5 WAYS #26 2.5P UL1007LED BD-J204A L=160mm 7276-032613-18CABLE ASSY 3 WAYS AWG=26

25、2.5PMAIN BD-J606B, L=110mmJ607B 8276-032613-29CABLE ASSY 3 WAYS AWG26X2C UL2547MAIN BD-J715A L=210mm (UL LABEL) 9276-082613-22CABLE ASSY 8 WAYS AWG=26X3CMAIN BD-J709A L=480mm 10276-052613-06CABLE ASSY 5 WAYS AWG=26 2.5P UL2468MS BD-M783B L=120MM 11276-032613-06CABLE ASSY 3 WAYS AWG=26 2.5P UL2854PO

26、BD-J724B L=250mm 12276-042613-07CABLE ASSY 4 WAYS AWG=26 2.5P UL2468PSU BD-J753A L=400mm 13276-011643-04CABLE ASSY 1 WAY AWG=16 UL1672 BROWNPW BD-J756A L=160mm 14276-011643-05CABLE ASSY 1 WAY AWG=16 UL1672 BLUEPW BD-J757A L=160mm 15276-082613-20CABLE ASSY 8 WAYS AWG=26 2.5P UL1007SV BD-J414A L=380mm

27、 16276-102613-12CABLE ASSY 10 WAYS AWG=26 2.5P UL1007TR BD-J350A L=540mm (UL LABLE) 17276-011643-06CABLE ASSY 1 WAY AWG16 UL1007 BLACKV6 BD-P4402 L=70mm W/ RING TERMINAL 18276-011843-01CABLE ASSY 1 WAY AWG18 UL1007 BLACKV6 BD-P4401 L=100mm W/ RING TERMINAL 19238-172829-00FFC CABLE 17 PINS P1.25 UL28

28、96 L=290mmJ720C W/ SHIELD 20238-200012-00FFC CABLE 20 PINS P1.25 L=120mmJ604C W/ SHIELD 21238-280016-00FFC CABLE 28 PIN P1.25 L=160mmJ602C,J603C W/ SHIELD 22238-280120-00FFC CABLE 28 PINS P1.25 L=200mmJ713C,J714C W/SHIELD 23238-302807-00FFC CABEL 30 PINS P1.25 L=70mmJ601C RadioFans.CN 收音机爱好者资料库 10

29、BLOCK DIAGRAM RadioFans.CN 收音机爱好者资料库 11 SPECIAL FUNCTION FEATUREA AKEYS PRESS ON FRONT PANEL RESET FOR AH VERSIONVIDEO + TONE DEFEAT RESET FOR C VERSIONVIDEO + TONE CONTROLS NTSC / PAL SELECTIONVIDEO + MEMORY VFD ALL DISPLAYAUDIO + TAPE MONITOR AM FREQ. STEPAM/FM + FM MUTE COLOUR BAR GENERATORAUDIO

30、 + DIGITAL AUDIO (VC-version units only)(all monitor outputs will show the generated colour bar) DETAILS & WAVEFORMS ON SYSTEM TEST & DEBUGGING T89C51RD2 (U202) main clock is at 20MHz (X202) T89C51RD2 (U201) main clock is at 20MHz (X201) UPPER - +5V supply to KEYBOARD when power up LOWER - RESET lin

31、e (TCM810LENB713) when power up UPPER - OUTPUT ENABLE (pin 24) of EPROM (W27C02) when changing SURROUND MODES LOWER - CHIP ENABLE (pin 22) of EPROM (W27C02) when changing SURROUND MODES SCLK (pin 43 of CS49326) LRCLK (pin 42 of CS49326) MCLK (pin 30 of CS49326) NOTE: The waveforms are based on softw

32、are version V2.13V. RadioFans.CN 收音机爱好者资料库 12 PCB LAYOUT AUDIO BOARD COMPOSITE VIDEO BOARD RadioFans.CN 收音机爱好者资料库 13a COMPONENT VIDEO BOARD DIGITAL BOARD RadioFans.CN 收音机爱好者资料库 13b COMPONENT VIDEO BOARD - COMPONENT SIDE COMPONENT VIDEO BOARD - COPPER SIDE RadioFans.CN 收音机爱好者资料库 13c COMPONENT VID

33、EO BOARD revision 3 - COMPONENT SIDE COMPONENT VIDEO BOARD revision 3 - COPPER SIDE RadioFans.CN 收音机爱好者资料库 14 DSP BOARD - COPPER SIDE DSP BOARD - COMPONENT SIDE RadioFans.CN 收音机爱好者资料库 15 KEY BOARD / LED BOARD - COMPONENT SIDE KEY BOARD / LED BOARD - COPPER SIDE RadioFans.CN 收音机爱好者资料库 16 MAIN BOAR

34、D RadioFans.CN 收音机爱好者资料库 17 MULTI-CHANNEL BOARD - COMPONENT SIDE MULTI-CHANNEL BOARD - COPPER SIDE RadioFans.CN 收音机爱好者资料库 18 POWER SUPPLY (STANDBY) S-VIDEO BOARD RadioFans.CN 收音机爱好者资料库 19 PRE-OUT BOARD - COMPONENT SIDE PRE-OUT BOARD - COPPER SIDE RadioFans.CN 收音机爱好者资料库 20 MULTI SOURCE POWER SWIT

35、CH VIDEO 6 BOARD LED BOARD TRIGGER BOARD RadioFans.CN 收音机爱好者资料库 21 SCHEMATIC DIAGRAM AUDIO SWITCH RESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM. NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans.CN 收

36、音机爱好者资料库 22a COMPONENT VIDEO RESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM. NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans.CN 收音机爱好者资料库 22b COMPONENT VIDEO NOTE: 1. RESISTORS, UNLESS OTHERWISE SP

37、ECIFIED, ARE 1/6W, 5% CARBON FILM. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. 3. SOME COMPONENTS & FEATURES MAY NOT BE AVAILABLE: A) INPUT FILTER TO TV5146 B) SIGNAL 5146_VMUTE (previously named RGB_MUTE), WHICH EXTENDS THE MUTE SIGNAL TO BOTH THE S-VIDEO AND CVBS CIRCUITS

38、RadioFans.CN 收音机爱好者资料库 23 E C B 2S DTC144ESA E C B DTA144ESA E C B COMPOSITE VIDEO RESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM. NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans.CN 收音机爱好者资料库 24 PO

39、WER SUPPLY (STAND BY) E C B 2SC1815RESISTORS : F-FUSIBLE, UNLESS OTHERWISE SPECIFIED ARE CARBON FILM. NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. COMPONENTS MARKED ARE SAFETY CRITIAL PARTS. RadioFans.CN 收音机爱好者资料库 25 TRIGGER D C 2 ES E C B RESISTORS : UNLESS OTHERWISE SPECIFIED A

40、RE CARBON FILM. NOTE:1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans.CN 收音机爱好者资料库 26 VIDEO 6 RESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM. NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2

41、. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans.CN 收音机爱好者资料库 27 DIGITAL IN & OUT RadioFans.CN 收音机爱好者资料库 28 E C B 2SA933 E C B 2SC1740 E C B 2SC1815 2SC2878 DTC144ESA DTC123ESA E C B S-VIDEO NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC C

42、APACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans.CN 收音机爱好者资料库 29 E B C 2SD600K DTC114ESA DTA114ESA E C B MAIN BOARD NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans.CN 收音机爱好者资料库 30 E C B RN124

43、1 DTA114ESA E C BE C B 2SA1016K 2SC2362 PRE-OUT NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 5%. RadioFans.CN 收音机爱好者资料库 31 E C B 2SC1815 DSP RESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM. NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%. 2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%. RadioFans