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NAD D 7050, Руководство по обслуживанию

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50 Ohm

50 Ohm

C2 2.2uF

C3 2.2uF

L1

4.7u

H

L2

4.7u

H

C6 2.2uF

C8 2.2uF

R7 330

R8 330

R9 100

C13 10nF

C15 15pF

C16 2.2uF

C17

10nF

C18 10nF

C20 4.7uF

C7 4.7uF

C21 2.2uF

1

2

3

4

5

6

J2

USB TYPE A PLUG SMT DNP

3

1

2

4

Y1

26M

A3

RF

C1

XTAL_IN

B1

XTAL_OUT

K3

VREG

IN_

DIG

J3

#RST

G2

PIO11/SDA

F1

PIO16

H9

SM

PS_1

V8_

SEN

H2

PIO17

E1

PCM_SYN

C

J2

LED0

K9

VSS_S

MPS

_1V3

5

K6

LX_1

V8

J4

SPI/#PCM

J5

PCM_O

UT

A10

MIC_

AN

A7

VDD_AUDIO

B7

MIC_

BP

A9

MIC_

AP

B8

MIC_

BN

J7

VBAT_SENS

E

K8

LX_1

V35

J9

3V3_

USB

K10

SM

PS_1

V35_

SEN

K4

VREG_EN

K5

VCHG

J6

CHG_EXT

J8

VSS_S

MPS

_1V8

D1

PIO15

J10

USB_N

B10

LED2

D9

PIO18

C10

PIO20

D2

AIO

E2

PIO12/WP

E5

VDD_PADS_

1

F5

PIO10/SCL

F2

PIO14

B9

MIC_

BIA

S

J1

PCM_CL

K

E6

VDD_PADS_

2

F10

UART_TX

A1

VDD_AUX

_1V

8

A6

SPK_R

P

A2

VSS_BT

_LO

_AU

X

A5

VSS_A

UDIO

A8

AU_RE

F

C2

VDD_ANA_

RADIO

E9

PIO6

K1

LED1

E10

UART_RTS

K7

VBAT

B2

VDD_AUX

A4

SPK_L

P

B5

VDD_AUDIO_

DRV

F9

UART_RX

G9

UART_CTS

H10

USB_P

G10

PIO7

D10

PIO21

C9

PIO19

B6

SPK_R

N

G1

PIO13

H1

PCM_IN

K2

VDD_DIG_

MEM

F6

VSS_D

IG

B4

SPK_L

N

B3

VSS_BT

_RF

U1

IC-CSR8645A04-IBBC-R

R5 4.7K

R6 4.7K

R18

10K

1

A0

2

A1

3

A2

4

GND

5

SDA

6

SCK

7

WP

8

VCC

U3

IC-BR24T256FVT-WE2

C14 100nF

R21

4.7K

C23 470nF

C24 100nF

TP1

TP2

TP3

TP4

TP6

TP7

TP10

TP11

TP12

TP15

TP20

TP21

TP23

TP24

TP36

TP35

TP38

TP37

4 B-A

5 R-A

6 G-A

1

B-C

2

R-C

3

G-C

D1 DIO-LED-R6GHBHC

D2

TP8

C1 470nF

C4 470nF

C5 470nF

C9 470nF

TP9

TP13

TP14

1

G

3

G

2

2.4G

J1

CON-U.FL-R-SMT-1

1

TP16

TP

1

TP17

TP

1 TP

19

TP

1

TP22

TP

1

TP25

TP

1 TP

26

TP

IN

OUT

L3

53

V1

8

V1

3

V3

V5

3V3

VREG_EN

VBUS

VBUS

EXT_5V

5V

3V3

5V

3V3

SDA

SCL

DP

DN

I2S_CLK

I2S_IN

I2S_WS

I2S_OUT

SPK_R

N

SPK_R

P

SPK_L

P

SPK_L

N

#RST

WP

3V3

SPI_CLK

SPI_MOSI

#SPI_CS

SPI_MISO

I2S_CLK I2S_IN

TX RX

2.BLUETOOTH  MODULE BOARD  VM1.2

20

Содержание D 7050

Страница 1: ...NAD SERVICE MANUAL D7050 Direct Digital Network Amplifier D7050 Direct Digital Network Amplifier...

Страница 2: ...RIPTION P A G E SERVICE CAUTION 3 4 SPECIFICATIONS 5 WIRING DIAGRAM 6 9 PCB LAYOUT 26 32 EXPLODED VIEW PARTS LIST 11a b CIRCUIT DIAGRAMS TROUBLE SHOOTING GUIDE 10 EXPLODED VIEW 11a b 12 25 ELECTRICAL...

Страница 3: ...ACITOR BETWEEN A KNOWN GOOD EARTH GROUND WATER PIPE CONDUIT ETC AND THE EXPOSED METALLIC PARTS ONE AT A TIME MEASURE THE AC VOLTAGE ACROSS THE COMBINATION OF 1500 OHM RESISTOR AND 15 MFD CAPACITOR REV...

Страница 4: ...cluding Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components common...

Страница 5: ...to 24 192 via Digital Audio input up to 24 96 via Computer Type B USB input Unit dimensions W x H x D Gross 70 x 235 x 275 mm 2 x 9 x 10 inches Shipping weight 3 3 kg 7 3 lbs NAD SHALL NOT BE HELD LIA...

Страница 6: ...IV E R 3 2 192K B ridge Module Board CX870 A ppleCeriticiateIC M FI341S2500 I2C HOS T _IR E Q WIFI Id evice E th ern et SP DIF SP DIF IIS 844K H z L DO 3V 3 L DO 1V 8 1V 8 3V 3 DC DC 5V 2A 5V 2A 5V S...

Страница 7: ...nterface mix Digital input Serial interface mix Digital audio Digital audio Digital audio Digital input Serial interface mix DSP Programmable filtering delay Amplifier DSP volume PWM Digital audio PWM...

Страница 8: ...tages and feedback controllers Output stages and feedback controllers Digital audio inputs Control I O GPIO BIST Supplies Master clock input Feedback control clocks Feedback control clocks 4 h C 3 h C...

Страница 9: ...ut Digital feedback processor ZXCZA200 Analogue feedback processor Channel amplifier Channel DSP DDFATM chip set H bridge Filter Digital audio input Gate driver ZXCZM800 Digital modulator Bridge suppl...

Страница 10: ...TOUCH BOARD OR SOFTWARE ER ROR YES NO CHECK THE 5V SUPPLY CIRCUIT NO NO IS ALL POWER SUPPLIES OK NO YES IS MOSFET BROKEN CHECK THE OVC VOV CIRCUIT NO IS IR NORMA L IS BLUETOOTH NORMAL IS AIR PLAY NORM...

Страница 11: ...LATE 1 4 70 325001 4 INNER PLATE 1 5 70 325002 3 HEAT SINK A 1 6 75 325003 0 ANTENNA BRACKET 1 7 66 325004 0 VENT PLATE 2 8 75 325002 0 ROUND COVER 6 9 77 325002 1 BOTTOM COVER 1 10 J71 325002 0 KNOB_...

Страница 12: ...5 29 04601 02 6 14 233006 00 7 14 23304 11 8 A07 70022 18 9 14 23310 00 10 01 23308 00 PSU BOARD 11 01 23307 00 HEAD PHONE BOARD 12 01 23302 00 FPP BOARD 13 01 23304 00 SOURCE BOARD 14 01 23303 00 VOL...

Страница 13: ...167 C23P3V 3 168 CH2_FB1 169 CH2_FB0 170 CH2_REF2 171 CH2_REF1 172 C2GND 173 C2P3V 3 174 CH2_REF0 175 C2P1V 8 176 U3 ZXC ZM800 R 3V3 R 1V8 1V8 3V3 S 1V8 S 3V3 C 1V8 C 3V3 C 1V8 C 3V3 150R R 103 150R R...

Страница 14: ...7 V cc 8 U 6 N C7N Z17K 8X IP1 1 O P3 2 IP2 3 G N D 4 O P2 5 IP3 6 O P1 7 V cc 8 U 7 N C7N Z17K 8X IP1 1 O P3 2 IP2 3 G N D 4 O P2 5 IP3 6 O P1 7 V cc 8 U 8 N C7N Z17K 8X G G D D S S Q 7 ZX M N 7A 11K...

Страница 15: ...ro m C1V 8 fo rRefere nces A 8V 8V suppl y fo rderi vi ng anal ogue suppl i es N 8V 8 V suppl y fo rderi vi ng anal ogue suppl i es A 5V 5V A nal ogue suppl y N 5V 5 V A nal ogue suppl y R3V 3 3 3V l...

Страница 16: ...4u7F C26 S2O_A 1M R23 GND 1k2 R5 3k3 R7 270pF C14 GND 1k2 R6 3k3 R8 270pF C15 GND 4u7F C5 4u7F C2 4u7F C3 4u7F C4 4u7F C1 N5V A5V GND 1uF C12 1uF C13 PW M CK C108_A C108_B FB 0_A FB 1_A FB 1_B FB 0_B...

Страница 17: ...8 22U 6V3 C 10 5 6 100N C 10 5 5 100N C 10 5 4 100N U SBS_BCK U SBS_D A C 10 0 5 1N G N D C 10 16 1N C 10 0 2 22U 6 3V TR 1 G N D 2 O U T 3 V D D 4 U 1001 24 576M G N D C 10 15 22U 6 3V TR 1 G N D 2...

Страница 18: ...1025 FB C1133 2 2U G N D PD ETa D 1018 PESD 3V 3 G N D 3V 3S PD ET 3 0 V _ O N 3 0 V _ O N A V 3CTRL0 A V 3CTRL1 BG _CS B R _L R C L K B R _SD B R _SC K A M PO V C A M PO V C D 10 2 1 4v7 G N D A 0 1...

Страница 19: ...6 A D 3 1S S 3 5 2 R 8 7 8 2 0 R J Q 17 2 S C 3 3 2 6 A R 9 4 8 2 0 R J D 14 1S S 3 5 2 RA _REF0 RA _REF1 RA _REF2 3k32 R111 3k32 R119 53k6 R120 1nF C92 G N D 100uF C79 15R R135 1nF C95 G N D 47R R136...

Страница 20: ...G D D S S Q 5 2N 7002 G G D D S S Q 3 2N 7002 G N D G N D G N D G N D A 5V A 5V N 5V PSU _F RailDetecti on resi stor V al ue T BD G N D DEBUG SOCKET C1490 10N R1130 10R D 1010 1SS352 G N D X M 1001 H...

Страница 21: ...AUDIO A8 AU_REF C2 VDD_ANA_RADIO E9 PIO6 K1 LED1 E10 UART_RTS K7 VBAT B2 VDD_AUX A4 SPK_LP B5 VDD_AUDIO_DRV F9 UART_RX G9 UART_CTS H10 USB_P G10 PIO7 D10 PIO21 C9 PIO19 B6 SPK_RN G1 PIO13 H1 PCM_IN K2...

Страница 22: ...00R R 5 2 0 A 100R C505 10N R529 10R D 502 1SS352 G N D X M 500 H O LE D 500 1SS352 C506 10N R530 10R D 503 1SS352 G N D X M 501 H O LE D 501 1SS352 V IN 6 CTRL 5 CO M P 2 G N D 3 FB 1 SW 4 U 501 TPS6...

Страница 23: ...E 1 2 3 4 J 504 4PIN 7 8 egnd C5 1 3 10u 10v S O U R C E ENC O D E R R 5 2 8 10 K R 5 2 7 10 K C 5 11 10 0 n C 5 10 10 0 n A 1 C 3 B 2 S500 EN CO D E 1 2 3 4 J 502 4PIN 7 8 fg nd C509 1 0u 1 0 v V O...

Страница 24: ...C 10 8 6 100n 5 1 4 2 3 J 10 0 9 A S T 3 2 3 B 0 4 C K K 3 5 0 2 3 P Q 10 0 3 D T C 114 232 gnd J 10 0 6 B J 10 0 6 A R 10 5 5 0 R J C 10 7 2 2 2 0 pF R 10 6 1 0 R J C 10 8 2 2 2 0 pF C 10 7 3 N I C 1...

Страница 25: ...Q411 2SC3326 R503 4K7 R502 4K7 Q413 2SC3326 R504 4K7 1 2 3 4 5 6 CO N 1002 Touch c on TO U CH _PA D 5 1 4 2 3 6 7 J 1 C K X 3 5 0 2 K 1 2 3 4 5 6 7 8 H eader8 w hi t e red amb er R D 401 W D 402 O D 4...

Страница 26: ...22R C 219 150P 200V V V Q 202 FQ PF630 Q 207 BC807 25 D 205 BA S321 R 225 22R D 211 BA S321 Q 206 FQ PF630 Q 212 BC807 25 D 213 BA S321 R 231 22R D 215 BA S321 C 222 150P 200V R 252 22R C 220 150P 200...

Страница 27: ...Top Layer 1 AMP BOARD VM1 2 PCB LAYOUT 26...

Страница 28: ...1 AMP BOARD VM1 2 Bottom Layer 27...

Страница 29: ...Top Layer Bottom Layer 2 BLUETOOTH BOARD VM1 2 3 TOUCH BOARD VM1 2 Top Layer Bottom Layer 28...

Страница 30: ...4 FPP BOARD VM1 2 5 VOLUME ENCODE BOARD VM1 2 Top Layer Bottom layer Top Layer Bottom Layer 29...

Страница 31: ...6 SOURCE ENCODE BOARD VM1 2 Top Layer Bottom Layer 7 HEADPHONE BOARD VM1 2 Top Layer Bottom Layer 30...

Страница 32: ...8 INT BOARD VM1 2 Top Layer Bottom Layer 31...

Страница 33: ...9 PSU BOARD VM1 2 Top Layer Bottom Layer 32...

Страница 34: ...Digital transistor DTC114EKA A K E 4 1 1 A T D r o t s i s n a r t l a t i g i D 1 0 4 1 1 0 0 1 3 2 2 0 1 Q 1 0 0 1 Q 3 2 T O S 5 1 0 1 A r o t s i s n a r t l 3 0 5 1 0 1 0 1 3 4 1 0 1 Q 3 1 0 1 Q 0...

Страница 35: ...R 4 4 R 1 10W 1 R48 R64 R66 R99 R137 R1083 R1118 R1119 R1121 R1015 R1090 R1091 R1158 R141 R145 R149 R150 R151 R147 R148 R118 R1031 R152 R1125 R1126 07 91000 00 Chip Resistor 100 1 10W 1 0 0 1 r o t s...

Страница 36: ...R p i h C 1 0 0 0 0 1 9 7 0 1 9 R 0805 1 8W 1 0 2 8 r o t s i s e R p i h C 1 0 0 0 2 8 9 7 0 4 9 R 9 8 R 7 8 R 0805 1 8W 1 r o t s i s e R p i h C 1 0 1 0 5 1 9 7 0 3 3 0 1 R 1 5K 0805 1 8W 1 RC0805...

Страница 37: ...C41_Ch1 C48 C49 C52 C83 C84 C85 C86 C87 C88 C89 C90 C91 C93 C94 C98 C99 C101 C102 C103 C104 C105 C106 C107 C108 C109 C111 C112 C113 C118 C121 C139 C147 C156 C903_Ch0 C903_Ch1 C922_Ch0 C922_Ch1 C1045...

Страница 38: ...9 0 6 4 0 8 0 1 2 0 1 L 4 1 0 1 L 9 0 0 1 L 2 0 0 1 L 1 0 0 1 L L1020 L1022 L1025 08 04102 16 BEAD 1000 25 100MHz 0603 742792664 L1016 L1017 L1023 08 04100 06 Inductor SMD 10uH 2A GPSR0520 100M 5 2 4...

Страница 39: ...r o t i c a p a C p i h C c i m a r e C 0 2 1 1 5 2 2 6 2 2 C C3 C6 C7 C8 C16 C21 C20 26 47560 08 Ceramic Chip Capacitor 4 7uM 6 3V 0402 X5R C13 C17 C18 26 10351 08 Ceramic Chip Capacitor 10nF 50V 04...

Страница 40: ...2001 0 Plastic Spacer Screw Nylon66 H 11 TP 11 3 M 6 6 n o l y N T U N c i t s a l P 0 2 0 3 0 1 1 2 6 61 023506 0 Machine Screw MB3 6 zinc black 61 373506 0 Machine Screw M3 6 61 023510 0 Machine Scr...

Страница 41: ...5 0 8 0 R 5 X 0 1 V 3 6 U 2 2 r o t i c a p a C p i h C c i m a r e C 1 1 0 6 6 2 2 6 2 6 2 5 C 0 2 5 C R 7 X V 6 1 0 1 F u 1 r o t i c a p a C p i h C c i m a r e C 0 2 1 1 5 0 1 6 2 2 2 5 C R 5 X 3...

Страница 42: ...0 1 C 0 1 R 7 X 3 0 6 0 V 6 1 F n 0 0 1 r o t i c a p a C p i h C c i m a r e C 0 0 1 1 4 0 1 6 2 6 8 0 1 C 5 8 0 1 C CONNECTORS 3 1 0 A 6 Y 9 0 0 0 1 F B P 6 9 0 1 D M S r o t c e n n o C C P F 5 0...

Страница 43: ...0 0 6 8 0 2 3 3 1 2 2 D TRANSISTORS Q207 Q208 Q209 Q210 Q211 Q212 A m 0 0 5 V 5 4 5 2 7 0 8 C B r o t s i s n a r t 0 0 5 2 7 0 8 1 3 A m 0 0 1 V 5 6 W B 6 4 8 C B s r o t s i s n a r T 2 0 6 4 8 0 0...

Страница 44: ...805 1 8W 5 RC0805JR 07330KL r o t s i s e R p i h C 1 0 4 3 4 0 9 7 0 7 1 2 R 430K 0805 1 8W 5 RC0805JR 07430KL r o t s i s e R p i h C 1 0 3 0 1 5 9 7 0 6 1 2 R 1 1 2 R 510K 0805 1 8W 1 RC0805FR 0751...

Страница 45: ...2 9 0 2 C 0 2 V 0 5 F u 0 1 X 3 6 2 D C r o t i c a p a C c i t y l o r t c e l E u l A 2 0 1 5 0 0 1 6 0 1 1 2 C 5 2 F 0 2 V 5 3 F u 7 4 3 6 2 D C r o t i c a p a C c i t y l o r t c e l E u l A 0 0...

Страница 46: ...i s t a e h 1 4 0 0 5 2 3 0 7 0 5 0 1 L A D _ k n i s t a e h 0 5 0 0 5 2 3 0 7 0 1 T 5 N C C E S r e v o c d l e i h s 2 2 0 0 5 2 3 6 6 90 325005 0 Non woven Cloth 7 50mm m m 4 0 6 1 6 8 1 7 1 K G...

Страница 47: ...egg_tray 90 325001 2 non clothes bag 430 320 88 325005 0B sleeve box 88 325006 0A accesory box m m 0 0 3 0 5 3 A d r a o b p a l c 0 7 0 0 5 2 3 8 8 m m 1 3 3 9 0 5 B d r a o b p a l c 1 8 0 0 5 2 3 8...

Страница 48: ...5mm2 3C Black L 1800mm or JA15 16250 00 AC Cord 3PINS 16A 250V LF L 6 7 LP 34 H05VV F 3C LS 60 Outside the carton 2 94 325014 0 Version Label 115 85mm R 1mm m m 5 2 6 4 l e b a L n o i s r e V 1 6 0 0...

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