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NAD T741, Руководство по обслуживанию

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50

TUNER BOARD
U902: LC72723M

Vdda

3

REFERENCE

VOLTAGE

ANTIALIASING

FILTER

DATA

DECODER

VREF
1

VREF

FLOUT

5

CIN
6

PLL

(57kHz)

CLOCK

RECOVERY

(1187.5Hz)

+

_

Vddd
11

Vssd
10

RDDA
14

RDCL
15

MODE
12

RST
13

RDS-ID/READY
16

Vssa

4

MPXIN

2

TEST

7

TEST

57kHz

BPF

(SCF)

SMOOTHING

FILTER

OSC

CLK(4.332MHz)

9

XIN

8
XOUT

RDS-ID

DETECT

RAM

(128bits)

21

22

16

15

20

23

8

7

17

14

13

12

11

10

9

5

4

3

2

18

19

24

1

6

XIN

FMIN

AMIN

CE

DI

CL

D0

OUT0 OUT1

XOUT

PHASE DETECTOR

CHARGE PUMP

REFERENCE

DIVIDER

SWALLOW COUNTER

1/16, 1/17  4 BIT

SHIFT REGISTER

LATCH

UNIVERSAL

COUNTER

1
2

12-BIT PROGRAMMABLE

DIVIDER

SYC

OUT2 OUT3 OUT4 OUT5 OUT6

IN0

IN1

V

SS

V

DD

LCTR

HCTR

PD2

PD1

TUNER BOARD
U903: LC7218

Содержание T741

Страница 1: ...NAD T 741 SURROUND SOUND RECEIVER T 741S U R R O U N D SOUND RECEIVER SERVICE MANUAL ...

Страница 2: ...o determine that exposed parts are acceptably insulated from the supply circuit Parts marked with the symbol are critical with regard to the risk of fire and electric shock Replace only with parts recommended by the manufacturer CONTENTS DESCRIPTION PAGE SPECIFICATIONS 3 4 REAR PANEL FRONT PANEL 5 DISASSEMBLY INSTRUCTIONS 6 WIRING DIAGRAM 7 8 BLOCK DIAGRAM 9 ADJUSTMENT POINTS DIAGRAM 10 11 INSTRUM...

Страница 3: ... ohms 50 W Controls Bass at 500mV in 1W out 100 Hz 9 dB Treble at 500mV in 1W out 10 kHz 9 dB SURROUND SECTION Channel separation I p mode L R 1V in 1 kHz Ch R L 45 dB o p at unexpected 1 kHz Ch C 35 dB I p mode L R 1V in 1 kHz Ch R L 28 dB o p at unexpected 1 kHz Ch C 30 dB I p mode L R 1V in 1 kHz Ch R L 45 dB o p at unexpected 1 kHz Ch SL SR 30 dB Frequency Response I p mode L R 1V in 1W Ch R L...

Страница 4: ...5 dBµ Signal Noise Ratio Mono 72 dB 60 dBµ IHF wtd Stereo 66 dB Frequency Response 20 Hz 15 kHz 60 dBµ 0 1 5 dB Channel Separation 60 dBµ 100 Hz 30 dB 1 kHz 40 dB 10 kHz 30 dB Alternate Channel Selectivity 40 dBµ 400 kHz 60 dB Capture Ratio 40 dBµ 3 dB AM Suppression 60 dBµ 100 Mod FM 30 Mod AM 48 dB Image Rejection 119 4 MHz 68 db I F Rejection 10 7 MHz 78 dB Pilot Suppression 60 dBµ 60 dB THD 60...

Страница 5: ...10 SOFT CLIPPING 11 SPEAKERS FRONT CENTER SURROUND SPEAKERS 12 AC POWER CORD 1 POWER 2 STAND BY 3 AM FM 4 DISPLAY 5 FM MUTE MODE 6 MEMORY 7 PRESET TUNE 8 DOWN UP AND 9 VFL DISPLAY 10 VOLUME SETUP 11 HEADPHONE SOCKET VIDEO 5 INPUT 12 VIDEO 1 VIDEO 5 INPUT 13 CD 14 TAPE MONITOR 15 EXT 5 1 16 SURROUND MODE 17 SET UP 18 TONE CONTROLS 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 10 REAR PANEL FRONT PANEL ...

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

Страница 7: ...B P261 SPEAKER PCB P262 P260 POWER CORD L N M705A JP212B J206B J705B J702A J701B MAIN PCB 35V J705B J602A J601A J706B 35V GND J401B M708A M707A J604A J704A J706B J709B J714A J716A J715A J710B JP207B J703A J710B J709B J704B J703B J715B J714B J716B VIDEO 5 PCB POWER LED PCB KEYBOARD J202A J201A VOL PCB S VIDEO PCB PRIMARY PCB AMPLIFIER PCB SURROUND MULTI CHANNEL PCB TUNER PCB AUDIO PCB VIDEO PCB SHO...

Страница 8: ...ect Pin For SPK off Mute ON VFD off SPK A and B FL Trigger out FL OUT2 OUT3 OUT1 OUT4 FR CENTER SL SR SUB FR CENTER SL SR SUB Video Pin 1 IN 13 2 IN 12 3 IN 15 4 IN 14 5 IN 1 3 OUT 3 4 OUT 3 S Video Pin C Y 1 IN 11 4 2 IN 12 1 3 IN 15 2 3 OUT 13 3 Video Selector CD4051 ADJUSTMENT POINTS DIAGRAM 1 TUNER 2 IDLE CURRENT Front Amplifier Surround Amplifier Board ...

Страница 9: ...11 ...

Страница 10: ...TP201 on Surround Amplifier Board VR201 1mV 0 2mV PCB N0A00C AMP2 INSTRUMENT SETUP 1 FM MEASUREMENT Fig 1 Fig 2 2 RDS MEASUREMENT Fig 3 3 AM MEASUREMENT Fig 4 FM SIGNAL GENERATOR ANTENNA TERMINAL OUTPUT TERMINAL DISTORTION ANALYZER DISTORTION ANALYZER AC VOLTMETER OSCILLOSCOPE AC VOLTMETER OR OSCILLOSCOPE AC VOLTMETER OR OSCILLOSCOPE OUTPUT TERMINAL OUTPUT TERMINAL L R ANTENNA TERMINAL ANTENNA TER...

Страница 11: ...eps 1 to 3 until no fur ther adjustment is necessary FM MUTE MODE switch ON AUTO Don t turn more than 180 Repeat stereo distortion and stereo separation alignment until THD at minimum and separation at maximum Decode the RDS Program Station AM SECTION AM Modulation 400Hz 30 For AH Version Step 1 2 3 530kHz 600kHz 990kHz 600kHz 400Hz 30 mod 60dB m AM SG output Tuning frequency Output indicator Adju...

Страница 12: ...14 PCB LAYOUT S VIDEO BOARD VIDEO 5 BOARD VOLUME BOARD ...

Страница 13: ...15 VIDEO BOARD TUNER BOARD ...

Страница 14: ...16 SURROUND AMPLIFIER BOARD PRIMARY BOARD SECONDARY BOARD ...

Страница 15: ...17 AUDIO BOARD PSU BOARD ...

Страница 16: ...18 MULTI CHANNEL BOARD COMPONENT SIDE ...

Страница 17: ...19 MULTI CHANNEL BOARD SOLDER SIDE ...

Страница 18: ...20 MAIN BOARD ...

Страница 19: ...22 21 AC3 BOARD COMPONENT SIDE AC3 BOARD SOLDER SIDE ...

Страница 20: ...23 24 KEY BOARD DIGITAL BOARD SPEAKER BOARD LED BOARD POWER SWITCH BOARD ...

Страница 21: ...26 25 SCHEMATIC DIAGRAM AC3 DTS NOTE 1 RESISTORS ARE CARBON FILM 5 1 10W UNLESS OTHERWISE SPECIFIED 2 CERAMIC CAPACITORS ARE 50V 10 UNLESS OTHERWISE SPECIFIED ...

Страница 22: ...27 28 MAIN NOTE 1 RESISTORS ARE CARBON FILM 5 1 8W UNLESS OTHERWISE SPECIFIED MF METAL FILM 2 CERAMIC CAPACITORS ARE 50V 10 UNLESS OTHERWISE SPECIFIED ...

Страница 23: ...C2878 R660 2K C646 100p C653 100p C675 3u3 50V R692 56K R693 1K5 R694 7K5 C676 220p C677 100p C678 10u 50V Q622 C2878 R6100 2K Q621 DTA114ES R697 56K C662 3u3 50V R672 56K R673 1K5 R674 7K5 C663 220p C664 100p C665 10u 50V Q617 C2878 R689 2K Q616 DTA114ES R677 56K C669 3u3 50V R680 56K R681 1K5 R682 7K5 C670 220p C671 100p C672 10u 50V Q619 C2878 R690 2K R685 56K C666 220p C673 220p M602A SUB OUT ...

Страница 24: ...31 32 KEYBOARD NOTE 1 RESISTORS ARE CARBON FILM 5 1 8W UNLESS OTHERWISE SPECIFIED 2 CERAMIC CAPACITORS ARE 50V 10 UNLESS OTHERWISE SPECIFIED ...

Страница 25: ...34 33 TUNER NOTE 1 RESISTORS ARE CARBON FILM 5 1 8W UNLESS OTHERWISE SPECIFIED 2 CERAMIC CAPACITORS ARE 50V 10 UNLESS OTHERWISE SPECIFIED ...

Страница 26: ...K R526 1K Q507 DTC123 Q508 2SC2878 Q509 DTC144 R527 1K Q520 2SA933S Q521 2SA933S R528 150R R529 1K2 R530 8K2 R531 100K SW501 SOFT SFOT2 SFOT1 12V DGND 12V DGND DGND DGND C516 47U 16V D501 IN4148 D502 IN4148 D503 IN4148 D504 IN4148 D505 IN4148 D506 IN4148 Y0 1 Y2 2 Y com 3 Y3 4 Y1 5 INH 6 VEE 7 GND 8 B 9 A 10 X3 11 X0 12 X com 13 X1 14 X2 15 VCC 16 U501 CD4052A Q522 2SA933S Q523 2SA933S R532 20K R5...

Страница 27: ...48 R7739 120R R7742 2K2 R7745 1K8 VR7703 1K Q7726 A13 C7722 47P Q7712 A06 Q7733 2SAC5197 Q7706 A56 Q7731 2SA1940 C7708 10U 50V R7751 330R 1 4W C7709 10U 50V R7758 2 2R 1 2W R7759 2 2R 1 2W R7762 0 22Rx2 5W R7707 10K Q7721 2SC1845 R7765 2K7 R7719 470R C7725 0 022U R7734 33K Q7722 2SC1845 Q7723 2SC1845 R7735 33K C7730 100U 16V R7767 47K R7768 47K R7769 47K L7701 1mH L7702 1mH L7703 1mH R7771 0 22R 1...

Страница 28: ...R423 0R C406 47U 10V C407 47U 10V C408 470U 16V C409 47U 10V C410 47U 10V C411 470U 16V C412 1000U 16V V_5 IN MON_OUT DGND CT_C CT_B 12V CT_A CT_D V 12V VIDEO3 IN VIDEO4 IN VIDEO3 OUT VIDEO1 IN VIDEO2 IN VIDEO4 OUT MON_OUT 1 2 3 4 5 6 7 8 9 10 J714B 10PIN X4 1 X6 2 COM 3 X7 4 X5 5 INH 6 VEE 7 GND 8 C 9 B 10 A 11 X3 12 X0 13 X1 14 X2 15 VCC 16 U401 CD4051A Q401 DTC114 Q402 DTC114 Q403 DTC114 R405 1...

Страница 29: ...IN4148 R228 120R R227 2K2 R226 1K8 VR202 1K Q215 A13 C212 47P Q216 A06 Q218 2SAC5198 Q217 A56 Q219 2SA1941 C214 10U 50V R229 330R 1 4W C215 10U 50V R231 2 2R 1 2W R230 2 2R 1 2W R234 0 22Rx2 5W R224 10K Q220 2SC1845 R235 2K7 R236 470R C216 0 022U R237 33K R217 47K R238 47K D217 RS804M C220 8200U 63V C221 8200U 63V V_PROTECT I_PROTECT DC 24V RELAY B L201 1mH L202 1mH R239 0 22R 1W R240 0 22R 1W M20...

Страница 30: ...42 PSU NOTE 1 RESISTORS ARE CARBON FILM 5 1 8W UNLESS OTHERWISE SPECIFIED MF METAL FILM 2 CERAMIC CAPACITORS ARE 50V 10 UNLESS OTHERWISE SPECIFIED 3 COMPONENTS MARKED ARE SAFETY CRITICAL PARTS ...

Страница 31: ... 9 AC3 BOARD U102 74HC157 4 1Y 7 2Y 9 3Y 12 4Y 15 1 G 13 4B 10 3B 6 2B 5 2A 3 1B 2 1A 11 3A 14 4A A B 1 A B VCC 16 2 1A G 15 3 1B 4A 14 4 1Y 4B 13 5 2A 4Y 12 6 2B 3A 11 7 2Y 3B 10 8 GND 3Y 9 AC3 BOARD U103 CS5331A AINL 8 5 6 7 4 2 3 1 AINR AGND S H Comparator MCLK SCLK LRCK SDATA Comparator Voltage Reference Serial Output Interface Digital Decimation Filter Digital Decimation Filter High Pass Filt...

Страница 32: ... 25 26 22 30 31 32 33 34 35 2 13 24 1 12 23 Parallel or Serial Host Interface 24 Bit DSP Processing Framer Shifter Input Buffer Controller Compressed Data Input Interface CMPDAT SDATAN2 CMPCLK SCLKN2 CMPREQ LRCLKN2 SCLKN1 STCCLK2 LRCLKN1 SDATAN1 CLK1N CLKSEL FILT2 FILT1 VA AGND DGND 1 3 VD 1 3 XMT958 AUDATA2 AUDATA1 AUDATA0 LRCLK SCLK MCLK DC DD EXTMEM GPIO8 ABOOT INTREQ A1 SCDIN A0 SCCLK SCDIO SC...

Страница 33: ...28 14 1 11 12 26 23 24 18 17 19 21 20 22 8 7 AC3 BOARD U110 CS8414 RST 1 3 8 16 4 2 7 6 5 15 12 LRCK SDATA DIF0 DIF1 MCLK MUTEC DEM0 De emphasis External Mute Control Interpolation Filter DAC Analog Filter Interpolation Filter DAC Analog Filter SCLK DEM1 AOUTR AOUTL AC3 BOARD U111 U113 CS4340 SD RD D Q 1Q GND 1Q Q FF1 CP 1SD 1D 1CP 1RD 1 10 12 11 13 14 3 2 4 7 5 6 9 8 SD RD D Q 2Q 2Q Q FF2 CP 2SD ...

Страница 34: ...4 74HCU04 1 Y1B 2 Y0B 3 Y1C 4 ZC 5 Z0C 6 E 7 VEE 16 VDD 15 ZB 14 ZA 13 Y1A 12 Y0A 11 SA 10 SB 8 VSS 9 SC E SC SB SA LEVEL CONVERTER Y0C Y1C ZC Y0B Y1B ZB Y0A Y1A ZA AUDIO BOARD U301 HCF4053BT A1 B1 Y1 A2 B2 Y2 GND VCC B4 A4 Y4 B3 A3 Y3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 AC3 BOARD U118 U119 74HC00 ...

Страница 35: ...Circuit AUDIO BOARD U302 TC9273N 004 DIGITAL BOARD U761 74HCT00 1 1A 2 1B 3 1Y 4 2A 5 2B 6 2Y 7 GND 14 VCC 13 4B 12 4A 11 4Y 10 3B 9 3A 3Y 8 Interrupt Control IR Flash ROM PC ACC B Register C Register PSW RAR RAM Stack Pointer Watch Dog Timer ALU PLA Stand by Control CF Clock Generator RC X tal Bus Interface Port 0 S100 Port 1 S101 Port 3 Timer 0 Port 7 Timer 1 Port 8 Base Timer ADC VFD Controller...

Страница 36: ...UTPUT INVERTING INPUT NON INVERTING INPUT 1 2 3 4 8 7 6 5 MAIN BOARD U701 NJM5532M 1 INPUT 3 OUTPUT 2 GND MAIN BOARD U723 NJM78M56FA 1 OUT4 42 DVDD 2 OUT3 41 CLK 3 OUT2 40 DATA 4 OUT1 39 LATCH 5 AVDD 38 DGND 6 SWin 37 AGND 7 GNDS 36 SWout 8 SRin 35 SRout 9 SLin 34 SLout 10 GNDC 33 Cout 11 Cin 32 Rout 12 GNDR 31 Lout 13 Rin 30 AVSS 14 GNDL 29 CL1 15 Lin 28 CL2 16 BYPASSR 27 CR1 17 BYPASSL 26 CR2 18...

Страница 37: ...I CHANNEL BOARD U604 TC9164AN TUNER BOARD U901 LA1837 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 ALC AM OSC AM MIX AM RF AMP REG AGC AM IF AM S METER TUNING DRIVE STEREO DRIVE VCC V CC AM FM IF BUFF FM S METER S CURVE AM IF FM DET GND FM IF INPUT AM MIXER OUTPUT FM IF INPUT BYPASS AM IF INPUT GND TU LED ST LED AM IF OUTPUT FM DETECTOR AM NARROW CF FM S METER O...

Страница 38: ... 7 TEST 57kHz BPF SCF SMOOTHING FILTER OSC CLK 4 332MHz 9 XIN 8 XOUT RDS ID DETECT RAM 128bits 21 22 16 15 20 23 8 7 17 14 13 12 11 10 9 5 4 3 2 18 19 24 1 6 XIN FMIN AMIN CE DI CL D0 OUT0 OUT1 XOUT PHASE DETECTOR CHARGE PUMP REFERENCE DIVIDER SWALLOW COUNTER 1 16 1 17 4 BIT SHIFT REGISTER LATCH UNIVERSAL COUNTER 1 2 12 BIT PROGRAMMABLE DIVIDER SYC OUT2 OUT3 OUT4 OUT5 OUT6 IN0 IN1 VSS VDD LCTR HCT...

Страница 39: ...G TG COMMON X OUT IN TG TG TG TG COMMON Y OUT IN 3 2 1 0 13 15 11 12 X CHANNELS IN OUT 1 5 2 4 0 1 2 3 Y CHANNELS IN OUT A 11 VDD 16 7 4 6 2 5 5 4 1 3 12 2 15 1 14 3 0 13 TG VSS 8 VEE 7 B LOGIC LEVEL CONVERSION BINARY TO 1 OF 8 DECODER WITH INHIBIT 10 C 9 IN H 6 TG TG TG CHANNEL IN OUT COMMON OUT IN TG TG TG TG VIDEO ASSEMBLY U401 MC14051 ...

Страница 40: ...157D 475M 5 EI CE 16V 4 7μF 20 RL 3x5 C1118 157D 227M 5 KW CE 16V 220μF 20 RL 6x12 C1119 157D 475M 5 EI CE 16V 4 7μF 20 RL 3x5 C112 150F 151K J BD CC 50V 150pF 10 0805 1 C1120 C1121 157D 475M 5 EI CE 16V 4 7μF 20 RL 3x5 C1122 C1123 150F 104K J BD CC 50V 0 1μF 10 0805 C113 150F 562K J BD CC 50V 5600pF 10 0805 C1131 C1132 150F 104K J BD CC 50V 0 1μF 10 0805 C1133 150F 100J J BD CC 50V 10pF 5 0805 1 ...

Страница 41: ...E 105M 5 EI CE 25V 1μF 20 RL 3x5 C145 C147 157D 475M 5 EI CE 16V 4 7μF 20 RL 3x5 C149 150D 224K J BD CC 16V 0 22μF 10 0805 C150 C151 150F 104K J BD CC 50V 0 1μF 10 0805 C152 150F 103K J BD CC 50V 0 01μF 10 0805 C153 157D 106M 5 GM CE 16V 10μF 20 RL 4x7 C154 150F 104K J BD CC 50V 0 1μF 10 0805 C156 150F 683M J BD CC 50V 0 068μF 20 0805 C157 150F 104K J BD CC 50V 0 1μF 10 0805 C158 157D 476M 5 IU CE...

Страница 42: ...R117 4720 821J J RMG 1 10W 820R 5 0805 R118 4720 750J J RMG 1 10W 75R 5 0805 R119 4720 000J J RMG 1 10W 0R 5 0805 R120 4720 203J J RMG 1 10W 20K 5 0805 R1206 4720 000J J RMG 1 10W 0R 5 0805 R1207 4720 102J J RMG 1 10W 1K 5 0805 R1208 4720 203J J RMG 1 10W 20K 5 0805 R1209 4720 102J J RMG 1 10W 1K 5 0805 R121 4720 472J J RMG 1 10W 4 7K 5 0805 R122 4720 000J J RMG 1 10W 0R 5 0805 R123 R125 4720 151J...

Страница 43: ...0R 5 0805 R184 4720 104J J RMG 1 10W 100K 5 0805 R185 R186 4720 102J J RMG 1 10W 1K 5 0805 R187 4720 000J J RMG 1 10W 0R 5 0805 R188 4720 203J J RMG 1 10W 20K 5 0805 R189 4720 000J J RMG 1 10W 0R 5 0805 R190 R192 4720 104J J RMG 1 10W 100K 5 0805 R194 4720 335J J RMG 1 10W 3 3M 5 0805 R197 4720 472J J RMG 1 10W 4 7K 5 0805 R198 4720 102J J RMG 1 10W 1K 5 0805 R199 4720 472J J RMG 1 10W 4 7K 5 0805...

Страница 44: ...8910 0112 0 CE 63V 8200μF 20 RL C223 C224 157I 477M 5 W A CE 63V 470μF 20 RL 12 5 DIODES D201 D204 4804 1480 C DIODE 1N4148 ATS D205 D206 4804 0010 2 DIODE 1N4001 AT D207 4804 1480 C DIODE 1N4148 ATS D217 4840 7060 0 DIODE BRIDGE RS804M WAFERS J602A 2102 031S 004 3 PIN ST WAFER J702B 2102 051S 004 5P ST WAFER M704B 2101 9400 0 JM2422 3M WAFER COILS L201 L202 1804 0540 0 SPRING COIL 1MH RELAY M201 ...

Страница 45: ...5 ATS R217 4701 473J C RCF 1 8W 47K 5 ATS R218 4701 103J C RCF 1 8W 10K 5 ATS R219 4701 512J C RCF 1 8W 5 1K 5 ATS R220 4701 622J C RCF 1 8W 6 2K 5 ATS R221 4701 681J C RCF 1 8W 680R 5 ATS R222 4701 471J C RCF 1 8W 470R 5 ATS R223 4701 333J C RCF 1 8W 33K 5 ATS R224 4701 103J C RCF 1 8W 10K 5 ATS R225 4701 100J C RCF 1 8W 10R 5 ATS R226 4701 122J C RCF 1 8W 1 2K 5 ATS R227 4701 222J C RCF 1 8W 2 2...

Страница 46: ... R319 R320 4701 105J C RCF 1 8W 1M 5 ATS R323 R324 R327 R328 4701 105J C RCF 1 8W 1M 5 ATS R309 R311 R315 R316 4701 222J C RCF 1 8W 2 2K 5 ATS R321 R322 R325 R326 4701 222J C RCF 1 8W 2 2K 5 ATS R301 R302 R305 R307 4701 331J C RCF 1 8W 330R 5 ATS ICs U301 3130 3870 0 IC HCF4053BT U302 3131 3570 0 IC TC9273N 004 ANALOG ZENERS Z301 Z302 4837 7B51 2 DZ 1 2W 7 07 7 45V ROHM DIG ASSEMBLY 1200 PCB N0A00...

Страница 47: ...8 ATS D206 D209 D210 D213 4804 1480 C DIODE 1N4148 ATS ZENER D214 4837 4C20 2 DZ 1 2W 5 0 5 2V AT D203 D211 4837 5B61 2 DZ 1 2W 5 45 5 73 ROHM FLEXIBLEs J203A J206A 2101 1581 0 FLEXIBLE CONN 35P WIRE CON ASSY J208B 7702 1120 2004 WIRE CON ASSY 2P P 2 5 J207A 7703 1150 2004 WIRE CON ASSY 3P P 2 5 J202A 7704 1200 2004 CN ASSY 4P P 2 5 L 200 J201A 7705 1410 2004 CONN ASSY 5P P2 5 L 410 COIL L201 1801...

Страница 48: ... ATS R280 4701 102J C RCF 1 8W 1K 5 ATS R283 4701 471J C RCF 1 8W 470R 5 ATS R284 4701 752J C RCF 1 8W 7 5K 5 ATS R287 R288 4701 103J C RCF 1 8W 10K 5 ATS ICs U201 3131 3810 0 IC LC87F65C8A 8 BIT MCU U202 3131 3920 0 IC EEPROM 24C02 2KBIT LED BOARD ASSEMBLY 8000 PCB N0A00C LED LEDBOARD ASSEMBLY WAFER J208A 2102 8002 3 100 WAFER 2 PIN 9MM LED 3700 2489 G LED 3MM GREEN SP MAIN ASSEMBLY 7000 PCB N0A0...

Страница 49: ...709A 2101 1621 0 WAFER PCB PCB 10P P2 0 J710A J714A J716A 2101 1621 0 WAFER PCB PCB 10P P2 0 J704A 2101 1641 0 WAFER PCB PCB 16P P2 0 J7001 J701B 2102 031S 004 3 PIN ST WAFER J401B 2102 111S 004 11P ST WAFER M712 M714 2113 1160 0 WAFER 2P ST P 2 5 NH COILS L7701 C7703 1804 0540 0 SPRING COIL 1MH RELAYS M7702 4500 0900 0 RELAY 24VDC 250VAC 10A M7701 4500 0910 0 RELAY 24VDC 125VA 3A HEATSINK M702 54...

Страница 50: ...51 4715 331A 2 RMF 1 4W 330R 1 AT R7752 R7759 4717 2R2J C RMF 1 2W 2 2R 5 ATS R7760 R7762 474B R22K 5 02 RWR 5W 0 22R X2 10 RL R7763 R7765 4701 272J C RCF 1 8W 2 7K 5 ATS R7766 4701 223J C RCF 1 8W 22K 5 ATS R7767 R7770 4701 473J C RCF 1 8W 47K 5 ATS R7771 R7773 4718 R22J 2 RMF 1W 0 22R 5 AT R7774 R7776 4718 8R2J 2 X RMF 1W 8 2R 5 AT R7777 R7778 4701 122J C RCF 1 8W 1 2K 5 ATS R7779 R7780 4701 512...

Страница 51: ...20 RL 5x11 C666 C670 C673 C676 150F 221K 2 FC CC 50V 220pF 10 AT 3 5x C672 C678 C680 157F 106M 5 IU CE 50V 10μF 20 RL 5x11 C681 C682 157D 476M 5 IM CE 16V 47μF 20 RL 5X7 C683 C686 157D 106M 5 IU CE 16V 10μF 20 RL 5x11 C687 C688 150F 223K 2 FD CC 50V 0 022μF 10 AT C702 C706 C710 C712 C740 157D 475M 5 IU CE 16V 4 7μF 20 RL 5x11 DIODES ZENER D601 4804 1480 2 DIODE 1N4148 AT D602 D604 4837 7B51 2 DZ 1...

Страница 52: ...664 4701 153J C RCF 1 8W 15K 5 ATS R667 R697 4720 563J J RMG 1 10W 56K 5 0805 R668 R704 R709 R717 4720 104J J RMG 1 10W 100K 5 0805 R669 4720 221J J RMG 1 10W 220R 5 0805 R670 R671 R689 4701 202J C RCF 1 8W 2K 5 ATS R673 R681 R693 4701 152J C RCF 1 8W 1 5K 5 ATS R674 R682 R694 4701 752J C RCF 1 8W 7 5K 5 ATS R675 R676 R683 4701 471J C RCF 1 8W 470R 5 ATS R684 4720 471J J RMG 1 10W 470R 5 0805 R685...

Страница 53: ... 1011 0 FUSE HOLDER M271 C 4132 1011 0 FUSE HOLDER RELAY M273 4500 0890 0 RELAY 12VDC 250VAC 10A TRANSISTOR Q260 485C 123J 5 TR DTC123JSA ROHM RESISTORS R268 4701 103J C RCF 1 8W 10K 5 ATS R503 R504 4701 105J C RCF 1 8W 1M 5 ATS R501 R502 4701 331J C RCF 1 8W 330R 5 ATS R505 4701 820J C RCF 1 8W 82R 5 ATS TRANFORMER T260 1806 2311 0 EI 35 TRANSFORMER 12V AC IC U260 3130 2520 3 IC 7812 12V REGULATO...

Страница 54: ...E 16V 100uF 20 RL 5x11 C525 Q527 150F 223K 2 FD CC 50V 0 022uF 10 AT C528 150F 104K 2 FC CC 50V 0 1UF 10 AT C761 8910 0091 0 CC 400V 0 01UF 20 RL DIODES D501 D507 4804 1480 C DIODE 1N4148 ATS SOCKETS CONNECTORS J715B J716B 2101 1801 0 SOCKET PCB PCB 10P M501 M505 2113 1183 0 1P DIN CONNECTOR HDC 050 TRANSISTOR Q501 Q507 485C 123J 5 TR DTC123JSA ROHM Q502 Q503 4860 1590 5 TR 2SC1740S Q504 Q506 4860...

Страница 55: ...PCB N0A00C SW SWITCH ASSEMBLY POWER SWITCH 5200 3665 0 POWER SWITCH TV5 TUNER ASSEMBLY 9000 PCB N0A01C TUN TUNER ASSEMBLY CAPACITORS C381 C386 150F 101K 2 FC CC 50V 100pF 10 AT 3 5x C902 C903 150F 223K 2 FD CC 50V 0 022μF 10 AT C904 157D 106M 5 GM CE 16V 10μF 20 RL 4x7 C906 157D 107M 5 IU CE 16V 100μF 20 RL 5x11 C911 150F 200J 2 FC CC 50V 20pF 5 AT 3 5x2 C912 C913 150F 102K 2 FC CC 50V 1000pF 10 A...

Страница 56: ...60pF 10 AT 3 5x C986 157B 107M 5 KM CE 6 3V 100μF 20 RL 6x7 C987 150F 223K 2 FD CC 50V 0 022μF 10 AT C988 R989 15CH 300J 5 IG CTC 0 60 30pF 5 RL 5x4 C990 157B 107M 5 KM CE 6 3V 100μF 20 RL 6x7 C991 153F 102J 5 IM CM 50V 1000PF 5 RL 5x7 C992 150F 103K 2 FC CC 50V 0 01μF 10 AT 3 5 DIODE D905 4804 1480 C DIODE 1N4148 ATS ZENERS D901 4837 4C20 2 DZ 1 2W 5 0 5 2V AT D902 4837 7C20 2 DZ 1 2W 9 1 9 5V AT...

Страница 57: ...CF 1 8W 330R 5 ATS R901 AH 4701 332J C RCF 1 8W 3 3K 5 ATS R901 C 4701 333J C RCF 1 8W 33K 5 ATS R902 4701 220J C RCF 1 8W 22R 5 ATS R903 AH 4701 102J C RCF 1 8W 1K 5 ATS R903 C 4701 123J C RCF 1 8W 12K 5 ATS R904 4701 331J C RCF 1 8W 330R 5 ATS R905 4701 681J C RCF 1 8W 680R 5 ATS R906 4701 103J C RCF 1 8W 10K 5 ATS R907 4701 332J C RCF 1 8W 3 3K 5 ATS R908 4701 471J C RCF 1 8W 470R 5 ATS R909 R9...

Страница 58: ...975 4701 333J C RCF 1 8W 33K 5 ATS R975 4701 563J C RCF 1 8W 56K 5 ATS R985 R987 4701 102J C RCF 1 8W 1K 5 ATS R991 4701 000J 2 RCF 1 8W 0R 5 AT VOLUMES R956 4756 1036 3 06 SVR 10K H3 7X7 6 RH0615C R941 4756 2236 3 06 SVR 22K H3 7X7 6 RH0615C ICs U901 3130 8180 0 IC LA1837 AM FM IF U903 3131 3760 0 IC LC7218 PLL FREQ U902 3131 9040 0 IC LC72723M RDS VIDEO ASSEMBLY PCB N0A00C VD VIDEO ASSEMBLY CAPA...

Страница 59: ... 8W 1K 5 ATS R424 R427 4701 820J C RCF 1 8W 82R 5 ATS R428 R429 4701 222J C RCF 1 8W 2 2K 5 ATS IC U401 3131 4100 0 IC MC14051BCP MOTOROLA ZENERS Z401 Z402 4837 7C51 2 DZ 1 2W 7 29 7 67V ROHM VOLUME ASSEMBLY PCB N0A00C VOL VOLUME ASSEMBLY WAFER J207B 2102 031R 004 WAFER 3P P2 5 RIGHT VOLUME M301 4750 6000 0 ROTARY ENCODER Reference No Part No Description NOTE The components identified by mark are ...

Страница 60: ...0134 0133 0142 0148 0102 0142 0187 0139 0141 T002 0306 0101 0148 0126 0127 0143 0142 0155 0147 0146 0142 0104 0110 0106 0148 0113 0210 0112 0122 0131 0137 0148 0302 0305 0310 0303 0146 0147 0319 0146 0144 0205 0154 0154 0189 0119 0130 0128 0142 0321 0322 0148 0129 0116 0114 0208 0148 0105 0124 0148 0136 0176 0168 0138 0138 0148 0109 0103 ...

Страница 61: ...UTTON 4 0123 4154 0411 0 BEZEL DUO 1 0124 2444 6001 0 KNOB VOLUME T 741 1 0126 4152 4631 0 RUBBER FOOT 522 14MM 4 0127 4152 4641 0 CUSHION FOOT 522 4 0128 4152 4331 0 POWER BUTTON BEZEL 1 0129 4154 0331 0 VIDEO COVER T 760 1 0130 4152 1701 0 LED BEZEL 117 0 5 0131 3714 5706 0 LED LENS 412 CLEAR SAN 1 0133 4152 3851 0 SQ STRAIN RELIEF 1 0134 7009 3110 0 AC CORD SEMKO 1 0136 5400 9052 0 HEAT SINK T ...

Страница 62: ...HER M2 6 0 8T 3 0205 4152 3291 1 FOAM 6X4X1 5T MM 1 0208 4152 1161 0 FOAM RUBBER 10X10X10 BK 2 0210 2954 2006 0000 TAPPING SCREW 2X6 6 0220 2600 4508 0980 WASHER M4 5 0 8T 0D 9 8 1 0302 4133 2090 0 2204 3 MTG BKT 2 0303 4132 4361 1 MOUNTING BKT AMP NK110C 1 0304 4134 2461 0 HEAT SINK MOUNTING BKT 2 0305 2904 2606 0000 M SCREW M2 6X6 BH YZ 2 0306 2904 2606 0000 M SCREW M2 6X6 BH YZ 2 0319 4135 1651...

Страница 63: ...0661 1 300 OHM T ANTENNA 1 41 8912 0001 0 REMOTE CONTROL HANDSET 1 42 2103 6101 0 RF CONNECTOR PLUG 1 43 4301 4157 0 OWNER S MANUAL 1 44 1497 1062 0 MANUAL POLYBAG 1 45 1480 2000 0 CARTON BOX 1 46 2113 1155 0 AM LOOP ANTENNA 1 Proprietary information for servicing purposes only The information herein may not be used com mercially without the prior written agreement of NAD Electronics International...

Страница 64: ...SERVICE MANUAL NAD 2001 T 741 SURROUND SOUND RECEIVER NAD ELECTRONICS INTERNATIONAL TORONTO ...

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