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NAD T752, Service Manual

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NAD T752 Service Manual Download Page 45

43

74HC4052

COMPONENT VIDEO BOARD: U4302 & U4303

0

2

COM "Y" OUT/IN

3

1

INH

V

EE

GND

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

V

CC

2

1

COM "X" OUT/IN

0

3

A

B

Y CHANNELS

IN/OUT

X CHANNELS

IN/OUT

X CHANNELS

IN/OUT

Y CHANNELS

IN/OUT

74HC4052

BA7625

COMPOSITE VIDEO BOARD: U4202
S-VIDEO BOARD: U4102 & U4103

Summary of Contents for T752

Page 1: ...NAD SERVICE MANUAL T 752 T 752 AV SURROUND SOUND RECEIVER AV SURROUND SOUND RECEIVER DRAFT DATE 08 OCT 2002 ...

Page 2: ...2 SAFETY INFORMATION ...

Page 3: ...MODEL ONLY 2 Safety check out Only U S A model Before returning the product to the customer make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from supply circuit CONTENTS DESCRIPTION PAGE SPECIFICATIONS 4 5 REAR PANEL FRONT PANEL VIEW 6 DISASSEMBLY INSTRUCTIONS 7 WIRING DIAGRAM 8 BLOCK DIAGRAM 9 ADJUSTMENT POINTS DIAGRAM AMPLIFIER ADJUSTMENT 1...

Page 4: ...e FL ref Track 30 1 2 dB Frequency Response Dolby config 2 SL Track 46 200 20 kHz 0 8 dB SR Track 47 200 20 kHz 0 8 dB C Track 44 200 20 kHz 0 8 dB Harmonic Distortion 1 W Audio LPF Dolby Config 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 31 for O P 1 W Track 35 CCIR ARM 65 dB Audio LPF 70 dB A wtd 70 dB Channel...

Page 5: ...Buv 15 dBuv S N Ratio 60 dB IHF wtd Mono 65 dB 65 dB Stereo 60 dB 60 dB Frequency Response 20 Hz 15 kHz 60 dBm 0 1 5 dB 0 1 5 dB Channel Separation 60 dBm 100 Hz 30 dB 30 dB 1 Hz 35 dB 35 dB 10 Hz 20 dB 25 dB Alternate Channel Selectivity 40 dBm 400 kHz 60 dB 45 dB Capture Ratio 40 dBm 3 dB 3 dB AM Suppression 60 dBm 100 Mod FM 30 Mod AM 40 dB 40 dB Image Rejection 119 4 MHz 65 dB 65 dB I F Reject...

Page 6: ...PING ON OFF 9 SWITCHED POWER OUTLETS 10 AC POWER CORD 11 DIGITAL AUDIO INPUTS DIGITAL AUDIO OUTPUT 12 FRONT CENTER SURROUND SPEAKERS 13 12V TRIGGER INPUT OUTPUT 14 VIDEO 1 VIDEO 5 AUDIO VIDEO 15 TAPE INPUT OUTPUT 16 7 1 CHANNEL INPUTS 1 POWER 2 STAND BY 3 AM FM 4 DISPLAY 5 MEMORY 6 FM MUTE MONO 7 PRESET DOWN UP 8 SEARCH DOWN UP 9 VFL DISPLAY 10 VOLUME 11 VIDEO AUDIO 12 TAPE MONITOR 13 DIGITAL AUDI...

Page 7: ...Remove tapping screw 3 0 x 8 0 7 to 10 from the back panel Refer to Figure No 1 1 4 5 6 7 8 9 10 2 3 2 Pull both sides of the TOP COVER slightly outwards 11 and tilt approx 35 and then remove in the direction as indicated by the arrow 12 Refer to Figure No 2 Figure No 1 12 11 11 Figure No 2 ...

Page 8: ... WAYS 26 2 5P UL2877 L 480mm 82 0826135 00 98 82 0626135 03 98 CABLE ASSY 6 WAYS 26 2 5P UL2877 L 480mm W HOUSING J781B J503B J722B J611B J782B J709A CABLE ASSY 12 WAYS 26 82 1226135 00 98 2 5P UL2877 L 240 CABLE ASSY 3 WAYS 26 82 0326135 05 98 MAIN BOARD J721A J502B J722A 82 0318235 00 98 CABLE ASSY 3 WAYS 18 3 96P UL1015 L 100mm J304A 82 0226135 00 98 CABLE ASSY 2 WAYS 26 UL2877 L 150mm J755A AU...

Page 9: ...mm J722A Main Board Surr Amp Board 82 0326135 06 98 CABLE ASSY 3 WAYS AWG 26 2 5P UL2854 L 250mm J715A Main Board DSP Board 82 0626135 03 98 CABLE ASSY 6 WAYS AWG 26 2 5P UL2877 L 480mm W HOUSING J721A Main Board Video 6 Board 82 0826135 00 98 CABLE ASSY 8 WAYS AWG 26 2 5P UL2877 L 480mm J709A Main Board Video 6 Board 82 1226135 00 98 CABLE ASSY 12 WAYS AWG 26 2 5P UL2877 L 240mm J502B Main Board ...

Page 10: ...ERMINAL P4401 Video 6 Board Chassis Casing 36 1728201 71 26 FFC CABLE 17 PINS P1 25 L 200mm J720C Main Board Tuner 36 2028121 71 92 FFC CABLE 20 PINS P1 25 L 120mm J604C DSP Board Multi Channel Board 36 2028201 71 92 FFC CABLE 20 PINS P1 25 L 200mm J713C Main Board Keyboard 36 2828201 71 92 FFC CABLE 28 PINS P1 25 L 200mm J714C Main Board Keyboard 36 2828800 71 92 FFC CABLE 28 PINS P1 25 L 80mm J2...

Page 11: ... MULTI CH IN CPU CPU CPU CPU TUNER OUT Digital Analog selector S C SR SL Video Selector BA 7625 FL FR Relay Relay Relay SL SR C Encoder Volume Sensor Remote Key Matrix Board Tuner LED Supply Power Relay AC Input Main Stand by Power Supply 5V CPU AC Input CPU LA1837 LC72131 BU1924 FL FR CS4228 Bass Re direct CPU CS RESET ABOOT DATA IN DATA OUT CLOCK OUT A16 A17 CLOCK OUT DATA OUT M27C020 C B CBL F0...

Page 12: ...801 R835 SR P802 R836 ISC Sensitivity 1 Connect 8 ohm loading to all channels 2 Rotate R886 fully clockwise 3 Load all channels at full power using 1kHz sine wave 4 At this time monitor the THD of the output Clipping should occur before full power achieved 5 Rotate R886 counter clockwise slowly until the THD just below 0 1 6 The procedure is finish at this step 7 Load all channels at full power us...

Page 13: ...11 PCB LAYOUT AUDIO BOARD COMPONENT SIDE AUDIO BOARD COPPER SIDE ...

Page 14: ...12 COMPONENT VIDEO BOARD COMPONENT SIDE COMPONENT VIDEO BOARD COPPER SIDE DIGITAL BOARD COMPONENT SIDE SIDE DIGITAL BOARD COPPER SIDE ...

Page 15: ...13 DSP BOARD COPPER SIDE DSP BOARD COMPONENT SIDE ...

Page 16: ...14 FRONT CENTER AMPLIFIER BOARD ...

Page 17: ...15 SURROUND AMPLIFIER BOARD ...

Page 18: ...16 KEY BOARD COMPONENT SIDE KEY BOARD COPPER SIDE ...

Page 19: ...17 MAIN BOARD ...

Page 20: ...18 MULTI CHANNEL BOARD ...

Page 21: ...19 SECONDARY POWER SWITCH LED BOARD POWER SUPPLY BOARD STANDBY ...

Page 22: ...20 PRE OUT BOARD ...

Page 23: ...21 SPEAKER TERMINAL BOARD TRIGGER BOARD VIDEO 6 BOARD ...

Page 24: ...22 S VIDEO BOARD COMPOSITE VIDEO BOARD COMPONENT SIDE COPPER SIDE ...

Page 25: ...r Short Pad DTA144ESA DTC144ESA E C B R V1 IN L R V2 IN L R V3 IN L R V3 OUT L R V4 IN L R V4 OUT L R V5 IN L R CD N L 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 ...

Page 26: ...OMPONENT VIDEO 1 COMPONENT VIDEO 2 COMPONENT VIDEO OUT 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 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 SPECIFIE...

Page 27: ...25 ISC E C B 2SA1015 2SC1815 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 ...

Page 28: ...UPPLY SECONDARY B C E 2SA1016 RESISTORS CE CERMIC CASE MO METAL OXIDE UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS ...

Page 29: ...SECONDARY POWER TRANSFORMER POWER STAND BY E C B 2SA1815 10 AH UL only AH C AH C RESISTORS 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 ...

Page 30: ...RIGGER R DISC IN L DTC123ESA E C B 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 ...

Page 31: ...29 VIDEO 6 VIDEO 6 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 ...

Page 32: ...625 E C B 2SA933 E C B 2SC1740 E C B 2SC2878 DTC144ESA DTC123ESA DTA144ESA E C B S 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 ...

Page 33: ...031 2SC5669 E C B 2SC1740S E C B 2SB772 E C B 2SD600 DTC123ESA E C B FRONT CENTER AMPLIFIER NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 10 3 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS RESISTORS CE CERAMIC CASE MO METAL OXIDE UNLESS OTHERWISE SPECIFIED ARE CARBON FILM ...

Page 34: ...B C E 2SA1606 2SC4159 B C E 2SA2031 2SC5669 E C B 2SD600 DTC123ESA E C B RESISTORS CE CERAMIC CASE MO METAL OXIDE 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 3 COMPONENTS MARKED ARE SAFETY CRITIAL PARTS ...

Page 35: ...OCTAL BIDIRECTIONAL TRANSCEIVER OCTAL D FLIP FLOP OCTAL D FLIP FLOP U1007 W27C020 EEPROM 256 X 8 BYTE STEREO DAC SURROUND SOUND CODE DTS MPEG DECODER U1005 CS8415A U1004 74HC157 U1002 74HC245A U1003 74LVC245A U1022 CS4340 U1021 IC CS4228 CS4228 E C B 2SC1815 E C B RN1241 DTA114ESA E C B DSP DIGITAL IN OUT NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERW...

Page 36: ...ER PLCC M6759 EEPROM 2K BYTE U202 8 BIT MICROCONTROLLER PLCC M6759 U203 PT6306 64 BITS HIGH VOLTAGE DISPLAY DRIVER IC EXT 7 TAPE MON DISPLAY AM FM LEVELS VIDEO PRESET SEARCH TONE CONTROL P A SELECTOR TONE DEFEAT PRESET SEARCH SURR MODE AUDIO MEM FM MUTE MODE KEYBOARD NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFIED ARE 50V 5 ...

Page 37: ... FRONT L FRONT R SURR R E C B 2SC2878 E B C SS8050 SS8550 E C B RN1241 DTC144ESA DTC114ESA DTA114ESA DTA144ESA E C B HI VOLTAGE ANALOG FUNCTION SW MULTI CH PRE OUT 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 ...

Page 38: ...OARD U1004 1 15 SELECT STROBE 2 1A 1B 4 1Y 3 5 2A 2B 7 2Y 6 11 3A 3B 9 3Y 10 14 4A 4B 12 4Y 13 74HC251 DSP BOARD U1071 00 S0 S1 S2 S3 S4 S5 S6 S7 W Y STROBE 01 02 03 04 05 06 07 A B C S0 S0 S1 S1 S2 S2 S3 S3 S4 S4 S5 S5 S6 S6 S7 S7 MAIN BOARD RESISTORS UNLESS OTHERWISE SPECIFIED ARE CARBON FILM NOTE 1 RESISTORS UNLESS OTHERWISE SPECIFIED ARE 1 6W 5 2 ALL CERAMIC CAPACITORS UNLESS OTHERWISE SPECIFI...

Page 39: ...PORT DIGITAL FILTERS WITH DE EMPHASIS ANALOG LOW PASS AND OUTPUT STAGE VA AOUT2 AINL AINL SDIN2 MCLK AOUT3 AOUT4 AINR AINR LEFT ADC SDIN3 MUTEC AD0 CS RST FILT AOUT5 AOUT6 DIGITAL FILTERS VL RIGHT ADC DAC 1 DAC 2 DAC 3 DAC 4 DAC 5 DAC 6 CLOCK MANAGER MUTE CONTROL DIGITAL VOLUME DIGITAL VOLUME DIGITAL VOLUME DIGITAL VOLUME DIGITAL VOLUME DIGITAL VOLUME DGND AGND CS4228 DSP BOARD U1021 W27C020 DSP B...

Page 40: ...CLK2 LRCLKN1 SDATAN1 Digital Audio Input Interface FILT2 FILT1 AGND CLKIN CLKSEL RAM Input Buffer DGND 3 1 VD 3 1 24 Bit DSP Processing RAM Program Memory RAM Data Memory ROM Program Memory ROM Data Memory STC R W EMOE GPIO11 RD DS EMWR GPIO10 WR SCDIO SCDOUT PSEL GPIO9 A0 SCCLK A1 SCDIN ABOOT INTREQ EXTMEM GPIO8 Output Formatter RAM Output Buffer RESET CS49326 DSP BOARD U1001 Clock Data Recovery ...

Page 41: ...609 U612 NJM4558D SURROUND AMP BOARD U801 1 A 2 3 4 8 7 6 5 B TC9273 AUDIO BOARD U301 LEVEL SHIFT SHIFT REGISTER CIRCUIT S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 VSS GND VDD S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 2 12 3 4 5 6 7 8 9 11 10 1 13 CK 14 28 DATA 15 STB 16 L ch 10bit Latch Circuit R ch 10bit Latch Circuit Same as L ch Circuit 27 17 26 25 24 23 22 21 20 18 19 LC4966 AUDIO BOARD U302 U303 COMPOSITE ...

Page 42: ... 8Kb 16Kb PT6306 KEYBOARD U203 PCB 44 45 43 37 36 41 38 RDIO BK LATB LDIO RDIN RDOUT LDIN LDOUT DIR CLK SQ1 SQ64 QB1 HVO1 HVO23 G QB23 DIRECTION CONTROL UNIT SHIFT UNIT LATCH UNIT DIR RDIO LDIO DIR CLKB QB24 HVO24 HVO41 G QB41 LATCH UNIT 51 73 82 99 QB42 HVO42 HVO64 G QB64 LATCH UNIT 08 30 VDD2 02 31 50 79 VSS2 05 34 47 76 ...

Page 43: ... 2 D Q CL CL LATCH 2 TR TR LATCH 3 TR TR 3 STATE 2 3 STATE 3 3 D Q CL CL Q STAGES 3 7 2 2 2 2 2 2 2 2 Q3 Q2 Q1 VSS VDD Q7 Q8 Q6 Q5 Q4 CL CL CL CL p n TL TL p n p n TL TL p n p n VDD VSS 74HC4051 KEYBOARD U208 4 6 COM OUT IN 7 5 INH VEE GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC 2 1 0 3 A B C CHANNELS IN OUT CHANNELS IN OUT CHANNELS IN OUT 74HC4051 ...

Page 44: ...rt Latch Port Latch Port Latch Serial Port Timer Interrupt Logic ACC ALU REG1 ALU REG2 PSW ALU B Register Stack Pointer Clocks and Control OSC Instruction Register RAM Addr Register 512 Bytes RAM XTAL1 XTAL2 PSEN ALE EA RST 64K bytes MTP Memory BA7660FS COMPONENT VIDEO BOARD U4301 MUTE INA GND INB GND N C INC GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 OUTA1 VCC OUTA2 OUTB1 OUTB2 N C OUTC1 OUTC2 75...

Page 45: ...03 0 2 COM Y OUT IN 3 1 INH VEE GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC 2 1 COM X OUT IN 0 3 A B Y CHANNELS IN OUT X CHANNELS IN OUT X CHANNELS IN OUT Y CHANNELS IN OUT 74HC4052 BA7625 COMPOSITE VIDEO BOARD U4202 S VIDEO BOARD U4102 U4103 ...

Page 46: ...ter size register Horizontal size counter Horizontal dot counter Vertical dot counter Flashing reversal control register Display control register RAM write address counter Display RAM Font ROM SHift register Decoder Decoder Flashing reversal control circuit Horizontal display position detection Vertical display position detection Character control counter Line control counter Vertical size counter...

Page 47: ...4 DATA CK TC9164N MULTI CHANNEL BOARD U601 M62446FP PRE OUT BOARD U602 U603 DGND CLK DATA LATCH DVDD OUT4 OUT1 OUT2 OUT3 AVDD LBASS1 LBASS2 LBASS3 LTRE BYPASSL BYPASSR Lin Rin GNDL GNDR Cin GNDC SLin SRin GNDS SWin AVSS AGND Lout Rout Cout SLout SRout RBASS1 RBASS2 RBASS3 RTRE CL2 CL1 CR2 CR1 SW out 21 20 19 18 17 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 ...

Page 48: ...70 8 44 22 44 59 61 24 41 49 40 31 41 67 71 32 44 44 27 33 39 44 44 13 44 16 15 11 5 44 41 58 19 41 29 44 44 43 35 47 44 38 28 7 14 9 37 34 4 12 68 44 69 54 48 6 17 1 3 20 2 30 44 53 40 44 10 45 42 46 50 45 42 44 25 41 31 44 26 43 36 49 21 18 41 EXPLODED VIEW ...

Page 49: ...80 00 EXTRUDED HEATSINK L 1 26 11 0752018 80 00 EXTRUDED HEATSINK R 1 27 11 0752025 80 00 SUBFASCIA 1 28 11 0752028 95 00 SIDE CAP L 1 29 11 0752035 80 00 FAN MOUNTING BRACKET 1 30 11 0752038 95 00 SIDE CAP R 1 31 11 0752045 80 00 HEATSINK MOUNTING BRACKET 4 32 11 0752055 80 00 SIDE MOUNTING BRACKET 2 33 11 0752065 80 00 PHONE BRACKET 1 34 11 0752075 80 00 DUMMY BRACKET 2 35 11 1500005 80 00 U BRA...

Page 50: ... 20 1 61 AH 29 4000003 00 38 AM FM TUNER MODULE KST MB114MA 1 22 2 62 34 0061030 00 60 JUMPER PLUG 3 63 C 34 0100002 00 78 AC OUTLET C 1 64 AH 34 0101001 00 70 AC OUTLET AH 1 65 AH 36 2061010 07 94 POWER CORD UL CSA SPT 2 AWG 18X2 1 66 C 36 2283110 07 96 POWER CORD EURO PLUG 10A 250V 1 67 37 2011225 00 63 FAN 1 68 38 1001500 00 65 SILICONE RUBBER 7 69 38 1030100 00 65 MICA 1 5KV 22 X 27 X 0 125MM ...

Page 51: ...96600 21 02 I C QUAD BILATERAL SWITCH LC4966 U304 27 7055320 18 14 I C AUDIO LOW NOISE OP AMP SMD NJM5532M RCA JACKS M303 34 4040420 00 60 RCA JACK 4 R R W W GOLD RS 453G 04 M301 M302 34 4060420 00 60 RCA JACK 6 R R R W W W GOLD RCA 653D 04 COMPONENT VIDEO BOARD TRANSISTOR Q4301 21 0000120 70 14 XTR NPN HFE 68 30MHz SPT DTC144ES CAPACITORS C4301 C4306 22 3226052 00 43 CAP ELEC SS 2 2uF 50V 20 C431...

Page 52: ...X55 6 2V 1 2W 5 D219 20 1001401 20 44 DIODE RECT 1A 400V D041 1N4004 D220 20 3251902 00 01 DIODE ZENER BZX55 5 1V 1 2W 5 TRANSISTORS Q202 Q206 21 0000010 00 46 XTR NPN HEF 100 200MHz C1815Y CAPACITORS C203 C206 45 0100054 52 57 CAP CER SMD 10pF 50V 5 C207 C214 22 3100022 00 43 CAP ELEC SS 10uF 16V 20 C208 C211 22 3470022 00 43 CAP ELEC SS 47uF 16V 20 C212 22 3102012 00 28 CAP ELEC GR 1000uF 10V 20...

Page 53: ...231 R232 R209 R210 44 0100520 51 00 RES SMD 10M OHM 5 R233 44 0470220 51 00 RES SMD 47K OHM 5 R216 44 0390020 51 00 RES SMD 390 OHM 5 R217 R218 44 0150120 51 00 RES SMD 1 5K OHM 5 R220 R236 R237 44 0470120 51 00 RES SMD 4 7K OHM 5 R221 R230 44 0220120 51 00 RES SMD 2 2K OHM 5 R222 44 0220020 51 00 RES SMD 220 OHM 5 R238 44 0120220 51 00 RES SMD 12K OHM 5 R241 R242 44 0100020 51 00 RES SMD 100 OHM ...

Page 54: ...TR NPN HFE200 700 30MHz 2SC2878A Q603 21 0100390 70 14 XTR PNP HFE 30 250MHz SPT DTA 114ESA Q604 21 0000400 70 14 XTR NPN HFE30 250MHz SPT DTC114ESA Q626 Q628 21 0000120 70 14 XTR NPN HFE 68 30MHz SPT DTC144ES Q627 21 0000450 70 14 XTR PNP 68 250MHz SPT DTA144ESA CAPACITORS C607 C611 C612 C619 C622 22 3220022 00 43 CAP ELEC GS 22uF 16V 20 C623 C681 C683 C626 22 3221022 00 43 CAP ELEC SS 220uF 16V ...

Page 55: ...0 43 CAP ELEC SS 47uF 16V 20 C637 C642 C647 C652 C657 C662 22 3100022 00 43 CAP ELEC SS 10uF 16V 20 C667 C672 C640 C645 C650 C655 C660 C665 22 3220022 00 43 CAP ELEC GS 22uF 16V 20 C670 C675 C684 C688 22 3331022 00 28 CAP ELEC GR 330uF 16V 20 C693 C694 22 4182203 10 10 CAP MYLAR KT G 8 2nF 100V 10 C695 C696 22 4115303 10 28 CAP MYLAR MCC R 15nF 100V 10 C697 C698 22 4233402 00 31 CAP MPF 0 33uF 63V...

Page 56: ...F751 AH 33 0181001 01 88 FUSE TIME LAG 8A 250VAC 5x20mm UL CSA 5S F752 AH 33 0111006 00 48 FUSE 1 6A 250V TIME LAG LBC 5x20mm UL CSA VDE SEMKO F751 C 33 0161002 00 48 FUSE TIME LAG 5A 250VAC 5 X 20mm VDE TSD F752 C 33 0151006 00 48 FUSE 800mA 250V TIME LAG LBC 5x20mm UL CSA VDE SEMKO FH751 FH752 33 1000000 00 88 FUSE CLIP 0 05mm FC 53 11 POWER SWITCH BOARD CAPACITORS C764 22 1103470 35 45 CAP CER ...

Page 57: ...FE 270 560 140MHz 2SA933AS Q4113 Q4114 Q4121 Q4124 Q4125 21 0000360 00 00 XTR NPN HFE200 700 30MHz Q4128 Q4130 2SC2878A Q4115 Q4126 Q4127 21 0000390 70 14 XTR NPN HFE270 560 180MHz 2SC1740S Q4120 Q4123 21 0000380 70 14 XTR NPN HFE20 250MHz DTC 123ESA CAPACITORS C4101 C4107 C4109 C4111 C4113 C4115 22 3226052 00 43 CAP ELEC SS 2 2uF 50V 20 C4117 C4120 C4153 C4157 C4108 C4112 C4116 C4156 22 3471012 0...

Page 58: ...27 3001291 07 14 I C VOLT REG 12V 100mA 78L12 JACKS M351 34 4020420 00 60 RCA JACK 2 R W GOLD RS 253 04 M353 M355 34 4310300 00 60 PHONE JACK 1 BLACK 3 5mm RIGHT ST 030 07 M354 M352 34 4320300 00 67 PHONE JACK 3 5mm 2P RIGHT JY 3552 01 330 SWITCH S351 35 4102209 00 67 SW SLIDE 2P2T JSK022N09 G09 VIDEO 6 BOARD CAPACITORS C4401 C4403 22 3226052 00 44 CAP ELEC SS 2 2uF 50V 20 JACKS J4401 34 4510302 0...

Page 59: ... METAL OXIDE CE CERAMIC CASE CAPACITORS C4201 C4203 C4205 C4207 22 3226052 00 43 CAP ELEC SS 2 2uF 50V 20 C4209 C4210 C4204 C4206 C4208 C4211 22 3471012 00 28 CAP ELEC GR 470uF 10V 20 ICS U4202 27 5076250 21 23 I C AV SWITCH DIP BA7625 U4201 27 9496600 21 02 I C QUAD BILATERAL SWITCH LC4966 RCA JACKS M421 M422 34 4040020 00 60 RCA JACK 4 Y Y Y Y GOLD RS 454 03 Reference No Part No Description ...

Page 60: ...98 FM ANTENNA 1 34 0081004 00 48 300 TO 75 OHM ADAPTOR 1 3 36 2061010 07 94 AH POWER CORD 1 36 2283110 07 96 C POWER CORD 1 4 63 0752001 00 01 POLYFOAM ENDCAP L 1 5 64 0700001 00 01 POLYBAG UNIT 1 6 63 0752002 00 00 POLYFOAM ENDCAP R 1 7 37 0020200 00 79 BATTERY AAA 1 5V 4 8 83 0752000 00 04 REMOTE HANDSET NAD HTR 2 1 9 67 0752002 11 99 CARTON SHEET 490 X 225 MM 2 10 67 0752001 10 99 CARTON SHEET ...

Page 61: ...PPLY BOARD SPEAKER BOARD COMPONENT VIDEO BOARD R28T75200401 R28T75200481 V1 02 A6 A6 PCB ASSEMBLY KEYBOARD DSP BOARD TRIGGER BOARD MAIN BOARD VIDEO 6 BOARD PRE OUT BOARD MULTI CHANNEL BOARD SECONDARY BOARD LED BOARD DIGITAL BOARD POWER SWITCH BOARD A7 PCB ASSEMBLY FRONT CENTER AMP BOARD SUR ROUND AMP BOARD AUDIO BOARD S VIDEO BOARD COMPOSITE VIDEO BOARD POWER SUPPLY BOARD SPEAKER BOARD COMPONENT V...

Page 62: ...60 NOTES ...

Page 63: ...60 SERVICE MANUAL T 752 AV SURROUND SOUND RECEIVER NAD ELECTRONICS LTD LONDON NAD 2002 ...

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