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Nexo NX242, Service Manual

The Nexo NX242 Service Manual is a comprehensive user manual designed to assist users in operating their Nexo NX242 device effectively. This manual is available for free download on our website, providing step-by-step instructions and detailed explanations for optimum product usage. Simply visit manualshive.com to access this valuable resource.

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Excem
12, chemin des Hauts de Clairefontaine
78580        MAULE        FRANCE
http://www.excem.fr     mailto:[email protected]
tel: 01 34 75 13 65       fax: 01 34 75 13 66
tel int: +33134751365  fax int: +33134751366

Client :
Fichier :
Auteur :
Numéro de dessin :
Date :
Feuille :

/

8

19

NEXO

NX242rev2_0-S16.sch

0409230108

6-Oct-2004 

Page :

Frédéric Broydé

NX242 TDcontroller    (revision 1)

R1604
1K 0.1%

R1606
1K 0.1%

R1607
1K 1%

R1627
3.83K 1%

R1605

1K 1%

R1603

1K 0.1%

R1608
1K 0.1%

SDATA

6

LRCK

7

DIF2

14

BICK

5

MCLK

3

CKS0

26

CKS1

27

CKS2

28

DIF0

12

DIF1

13

DVDD

2

AVDD

18

AVSS

19

BVSS

15

DVSS

1

VREFH

17

VREFL

16

AOUTL+

23

AOUTL-

22

AOUTR+

21

AOUTR-

20

VCOM

24

DEM0/CCLK

10

DEM1/CDTI

11

DFS

9

/PDN

4

SMUTE/CSN

8

P/S

25

U1601

AK4393

C1611
100N

+5VA

C1609
100N

+5VD

C1613
100N

C1612
100N

LRCK

SDATA1

MUTE

MCLK

BICK

/RST

DFS

Out1+

Out2Ref

Out1Ref

Out2+

R1601
10

SDATA

6

LRCK

7

DIF2

14

BICK

5

MCLK

3

CKS0

26

CKS1

27

CKS2

28

DIF0

12

DIF1

13

DVDD

2

AVDD

18

AVSS

19

BVSS

15

DVSS

1

VREFH

17

VREFL

16

AOUTL+

23

AOUTL-

22

AOUTR+

21

AOUTR-

20

VCOM

24

DEM0/CCLK

10

DEM1/CDTI

11

DFS

9

/PDN

4

SMUTE/CSN

8

P/S

25

U1602

AK4393

C1614
100N

+5VA

C1610
100N

+5VD

C1616
100N

C1615
100N

R1602
10

SDATA2

+5VA

+5VD

+5VA in

+5VD in

C1629
1.5N 5%

C1618
1N 1%

C1617

1N 1%

C1625

1.8N 5%

+15V

-15V

R1631
4.42K 1%

Z1601

BRIDGE

R1610
1K 0.1%

R1612
1K 0.1%

R1613
1K 1%

R1628
3.83K 1%

R1611

1K 1%

R1609

1K 0.1%

R1614
1K 0.1%

C1630
1.5N 5%

C1620
1N 1%

C1619

1N 1%

C1626

1.8N 5%

R1632
4.42K 1%

Z1602

BRIDGE

R1616
1K 0.1%

R1618
1K 0.1%

R1619
1K 1%

R1629
3.83K 1%

R1617

1K 1%

R1615

1K 0.1%

R1620
1K 0.1%

Out3+

Out4Ref

Out3Ref

Out4+

C1631

1.5N 5%

C1622
1N 1%

C1621

1N 1%

C1627

1.8N 5%

+15V

-15V

R1633
4.42K 1%

Z1603

BRIDGE

R1622

1K 0.1%

R1624
1K 0.1%

R1625
1K 1%

R1630
3.83K 1%

R1623

1K 1%

R1621

1K 0.1%

R1626
1K 0.1%

C1632
1.5N 5%

C1624
1N 1%

C1623

1N 1%

C1628

1.8N 5%

R1634
4.42K 1%

Z1604

BRIDGE

C1633

22UF 35V

C1634
22UF 35V

C1635
22UF 35V

C1636
22UF 35V

+15V

-15V

+15V in

-15V in

C1637
47N

C1638
47N

TST1601
GND

TST1602
OUTC1

TST1603
OUTC2

TST1604
OUTC3

TST1605
OUTC4

1

2

3

4

8

V+

V-

U1603A

MC33078

5

6

7

U1603B

MC33078

1

2

3

4

8

V+

V-

U1604A

MC33078

5

6

7

U1604B

MC33078

Z1605

BRIDGE

Z1606
BRIDGE

+

C1601
22UF 25V

+

C1602

22UF 25V

+

C1603
22UF 25V

+

C1604
22UF 25V

+

C1605

22UF 25V

+

C1606
22UF 25V

+

C1607
22UF 25V

+

C1608

22UF 25V

+

C1639
22UF 25V

+

C1640
22UF 25V

Summary of Contents for NX242

Page 1: ...NX242 Digital TDcontroller Service Manual ...

Page 2: ...sture does not operate normally or has been dropped Information about products that generate electrical noise NOTE The United States Federal Communications Commission in 47 CFR 15 105 has specified that the following notice be brought to the attention of users of this product This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the ...

Page 3: ...f content IMPORTANT SAFETY INSTRUCTIONS 2 FOREWORD 4 SAFETY INSTRUCTION 4 HISTORY 5 MECHANICAL ISSUES 6 REMOVING THE TOP PANEL 6 REMOVING THE PCB 6 HARDWARE PROBLEM ON NX242 S N 3880 TO 4049 7 ABSTRACT 7 HARDWARE CORRECTION 7 HARDWARE FIX FOR THE NXTENSION CAI AND THE NXTENSION ES4 11 ABSTRACT 11 HARDWARE CORRECTION 11 PART LIST 14 CRITICAL COMPONENTS 14 SCHEMATICS 26 ...

Page 4: ...he range 90V to 264V and requires no manual adjustment for voltages in this range Mounting the TDcontroller in a rack Grounding shielding safety issues The TDcontroller is intended for rack mounting The only accessible part during use shall be the front panel of the TDcontroller Any space above or under the TDcontroller shall be obstructed with a blank panel The rack is a free grounding and shield...

Page 5: ..._________________________________________________________________ NEXO NX242 DIGITAL TDcontroller Service manual rev100606 P 5 History Partlist PCB ref note S N Date V1 0 NX242 V1 8 initial NX242 V2 0 Minor points fixed for UL approval ...

Page 6: ...e the aluminum heatsink They should be screwed with a lesser torque than the other to avoid damaging the aluminum threading WARNING Some of the NX components are sensitive to electrostatic discharges Be sure to firmly hold the chassis of the NX242 before touching any component inside Always keep contact with the chassis to prevent electrostatic discharge If possible use non magnetic tools Removing...

Page 7: ...lease note that in case of emergency it is always possible to use the B input of the NX242 that does not present noise Also note that in most of the cases the noise disappears after a few minutes after the NX warmed up The solution to solve this problem is to remove faulty capacitors on the NX242 PCB Hardware correction Finding and removing the C1516 component The C1516 component has been soldered...

Page 8: ... clear path between the two pads of the PCB The footprint should look like the footprint of the component C1515 just bellow Finding and removing the Flying capacitor First of all locate the Flying capacitor on the picture bellow Now have a closer look on the component U5401 This component has a traditional capacitor that can be blue or orange soldered between the pin 2 and the pin 8 as you can see...

Page 9: ...e note that the color of the capacitor has no importance Now please check the manufacturer of the U5401 component From NX242 serial number 3200 to 3879 the component should be a Texas Instrument and from serial number 3880 to 4049 the component should be a Philips Here are two pictures of the possible manufacturer The Texas Instrument component The Philips component ...

Page 10: ...ible to the legs of the Philips component If you have a Texas component you must have the capacitor between the pin 2 and the pin 8 of U5401 Once this operation is finished replace the cover of the NX242 with all of the screws as they are important for the shielding of the digital section of the controller When you power up the unit again it should boot normally and none of your settings should be...

Page 11: ...ension ES4 the noise disappears when switching from Analog to Digital input Also note that this problem mostly occurs with Nxtension CAI cards The solution is to connect to a fixed potential a pin on the Nxtension board which was left floating Hardware correction First and foremost be sure to disconnect the NX242 from the mains before opening the top cover Once the top cover of the NX242 is open y...

Page 12: ...X242 DIGITAL TDcontroller Service manual rev100606 P 12 Bellow is a side view of the soldering a hard wire is the best solution has it will be less sensible to vibration Once it is done screw the cover back and check that the NX is booting normally Check that the audio is passing through without any problem ...

Page 13: ...___________________________________________________________________________________________________ NEXO NX242 DIGITAL TDcontroller Service manual rev100606 P 13 ...

Page 14: ...ional Rectifier 43CTQ100 L2501 1 Choke EMI suppression ferrirte core AXIAL 800mA 10 47 uH Epcos B82144A2473J000 L2502 L2503 2 Choke high power 1 3A RADIAL 47 uH Panasonic ELC08D47U D2507 D2508 2 Diode Rectifier Utrafast rugged SOT78 case Philips BYQ28E200 C2604 C2605 C2606 C2607 C2501 C2503 6 Capacitor Thru Hole Electrolytic Radial 105 C Low Z p 3 5mm rating 35V 100 u BC components 2222 135 30101 ...

Page 15: ... 4460 U2604 1 Negative voltage regulator 79XX TO220 ST L7918CV U2605 1 Positive voltage regulator LMXX TO220 ST LM337SP BR2501 1 Rectifier Bridge 1A Single Phase D I L International Rectifier DF06S U2602 U2603 2 Regulator 1A Low Dropout Regulator National semiconductor LM2940CT 5 0 U2606 1 Positive regulator 78XX TO220 ST L7818CV U2601 U2607 2 Positive regulator type LM317 TO220 National semicondu...

Page 16: ...0 C 70 C 2 5V 36V Texas Instrument TL431CLP 1 Power cord 3x0 75 10 16amp straigth plug black 2m Harvest electric Wire HE103 HP3 H03VV F00075 Insulating cover LEXAN FR700 430um DEGLARGES ISOLANTS DC Fan UL GPWV2 Sunonwealth KDE1235PFB2 8 Capacitors C1204 C1304 C1701 C1801 C1901 C2001 C2513 C2531 C2519 C1617 C1618 C1619 C1620 C1621 C1622 C1623 C1624 17 Capacitor SMD COG dielectric 0805 1206 size tol...

Page 17: ... SMD X7R dielectric 0805 size tol 5 rating 100V 10 n KEMET C0805C103J1RAC C1205 C1206 C1207 C1208 C1209 C1210 C1305 C1306 C1307 C1308 C1407 C1408 C1427 C1428 C1637 C1638 C1706 C1707 C1708 C1709 C1806 C1807 C1906 C1907 C1908 C1909 32 Capacitor SMD X7R dielectric 0805 1206 size tol 5 rating 50Vmini 47 n KEMET CxxxxC473JxRAC C1416 C1417 C1418 C1508 C1509 C1510 C1609 C1610 C1611 C1612 C1613 C1614 C161...

Page 18: ...ON serie SE SEA en 50V C1211 C1309 C1401 C1402 C1633 C1634 C1635 C1636 8 Capacitor electrolytic Non Polar 6x11 p 2 5mm value 22UF rating 35V 22 u Nitai ou LELON serie RN RNG marcon C1409 C1410 C1411 C1412 C1413 C1429 C1430 C1505 C1506 C1507 C1601 C1602 C1603 C1604 C1605 C1606 C1607 C1608 C1639 C1640 20 Capacitor electrolytic Radial 50V heigth mm p mm 22 u ELGEN MI840022u 50V JAMICON SSR220M1VE7 ou...

Page 19: ...omHE14_254 CN0001 1 Sense Connector male Wago231 468 001 000 CN5004 1 SUB D9 Connector PCB mounting Turned solder pins straight HARTING 09 67 009 5654 CN0002 CN0003 2 XLR female receptacle NEUTRIK NC3FBH2 CN0004 CN0005 CN0006 CN0007 4 XLR male receptacle NEUTRIK NC3MBH 1 Sense Connector female WAGO 231 108 026 000 Discrete L0001 L0002 L0003 L0004 L0005 L0006 L0007 L0008 8 Choke EMI suppression fer...

Page 20: ...501 LED5502 LED5503 LED5504 4 PANEL INDICATOR 1 LED LED5505 1 PANEL INDICATOR 2 LEDS LED5506 LED5507 LED5508 LED5509 4 PANEL INDICATOR 3 LEDS 1 LCD 16 2 Characters STN transflective Negative 85 x 30 x 13mm LED Amber backligth PCB v 0 105 Trimmer and knobs SW5501 SW5502 SW5503 SW5504 SW5506 SW5507 SW5508 7 TACT SWITCH ITT KSL0V410 VR5501 1 Potentiometer carbon 10mm tol 20 value 10k 10 K PIHER PT10L...

Page 21: ... Converter A to D 24 bit 192kHz AKM AK5394A U1601 U1602 2 Converter D to A 24 bit 96kHz AKM AK4393 U5201 1 CPLD Xilinx XC9536 in PLCC44 XILINX XC9536 15PC44C U5301 1 DSP 56303 24 Bit General Purpose Digital Signal Processor U5105 1 Flash memory 2Megabit 256K x 8 90ns 5 volt only CMOS PLCC32 ATMEL AT29C020 90JC U5101 1 Microcontroller TS80C32X2 second footprint with Harwin D830 TS80C32X2 U1205 U130...

Page 22: ...ol 1 case 1206 or 0805 12 4 K R1212 R1312 R1714 R1814 R1914 R2014 6 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 1 05 K R1002 1 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 1 2 K R1211 R1311 R1713 R1813 R1913 R2013 6 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 1 47 K R1001 1 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 1 8 K R1210 R1310 R1712 R1812 R1912 R2012 6 Resistor Metal...

Page 23: ...013 R0014 R1208 R1308 R2527 R5101 R5201 R5202 R5203 R5204 R5205 R5206 R5207 R5302 R5303 R5501 R5502 R1401 R1402 R1403 R1404 R1405 R1406 R1407 R1408 R1522 32 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 10 K R1521 1 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 11 K R1716 R1816 R1916 R2016 4 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 11 5 K R2506 1 Resistor Metal film SMD 1 4W tol 1...

Page 24: ... SMD 1 4W tol 1 case 1206 0805 22 1 R R5001 R5002 R2523 R0018 R0019 R0020 R0021 R0022 R0023 R0024 R0025 11 Resistor Metal film SMD 1 4W tol 1 case 1206 100 R R1517 R1518 R1519 R1520 4 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 150 R R2520 1 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 180 R R2601 R2608 R2610 3 Resistor Metal film SMD 1 4W tol 1 case 1206 0805 243 R R5503 R5504 R5505 R5...

Page 25: ...stor Metal film Thru hole 1 4W tol 1 1 21 R R2603 R2604 R2605 R2606 R2607 R2529 R2530 R2533 R1525 R1526 10 Resistors NON CONNECTED Z2501 Z2502 Z2503 Z2504 Z2505 Z2601 Z2602 Z2603 Z2604 Z2605 Z2606 Z2607 Z5101 Z5301 14 SHUNT Metal Box ME0004 ME0006 ME0008 ME0010 4 Broaching Type Standoffs M3 12mm expansion board PEM KFE M3 12ET ME0001 ME0002 ME0003 ME0005 ME0007 ME0009 ME0011 ME0012 ME0013 ME0014 1...

Page 26: ...orming screws 3x6 DIN7500 steel case hardened 450HV0 3 Top lid Bossard BN11288 6 Socket button head cap screws M4x8 ISO7380 property class 10 9 steel CHB M4 8 for Rack ears Bossard BN19 11 Socket button head cap screws M3x5 ISO7380 property class 10 9 steel Screw M3 5 PCB BOSSARD BN781 1 Silk screen Painting rear panel SERCATT 1 Front panel two color complete Martin technologie Schematics P 26 ...

Page 27: ... 1 C0003 470P 1 C0004 470P 1 D0001 PMLL4148L D0002 PMLL4148L D0005 PMLL4148L D0006 PMLL4148L D0003 PMLL4148L D0004 PMLL4148L D0007 PMLL4148L D0008 PMLL4148L R0017 1M 2W MainIn1 MainIn2 MainIn5 MainIn6 MainIn 1 6 D0010 SM6T18CA D0009 SM6T18CA C0012 2 2N 5 C0011 2 2N 5 D0011 SM6T18CA C0014 2 2N 5 C0013 2 2N 5 D0013 SM6T18CA C0016 2 2N 5 C0015 2 2N 5 D0015 SM6T18CA C0018 2 2N 5 C0017 2 2N 5 D0012 SM6...

Page 28: ...r NX242rev2_0 S15 sch 5VD DigIO13 DigIO12 SenIn1 SenIn2 SenIn3 SenIn4 SenIn5 SenIn6 SenIn7 SenIn8 Out1 Out1Ref MUTE DFS 15V in 15V in 5VA in 5VD in RST MCLK BICK LRCK SDATA1 SDATA2 Out2 Out2Ref Out3 Out3Ref Out4 Out4Ref Output Converter NX242rev2_0 S16 sch 15V 15V 5VA 5VD DigIO8 DigIO14 DigIO15 DigIO11 DigIO16 DigIO17 DigIO18 DigIO19 Input Input Out Out 18V in 18V in Gain EN Gain A0 Gain A1 Gain A...

Page 29: ...5 BZV55C7V5 C1201 470U 25V C1202 470U 25V R1205 100K 1 R1206 100K 1 C1203 100P R1208 10K 18V 18V 18V S1 4 S2 5 S3 6 S4 7 S5 12 S6 11 S7 10 S8 9 D 8 A0 1 A1 16 A2 15 EN 2 V 13 GND 14 V 3 U1205 DG408 R1216 909 1 R1215 365 1 R1214 511 1 R1213 715 1 R1212 1 05K 1 R1211 1 47K 1 R1210 2 05K 1 R1209 2 87K 1 15V 15V Z1201 BRIDGE 18V 18V 6 2 3 4 7 5 1 Ref Sense V V U1201 INA137 CMout R1217 1K 18V C1204 1N ...

Page 30: ...55C7V5 D1304 BZV55C8V2 D1306 BZV55C8V2 D1305 BZV55C7V5 C1301 470U 25V C1302 470U 25V R1305 100K 1 R1306 100K 1 C1303 100P R1307 1K R1308 10K 18V 18V S1 4 S2 5 S3 6 S4 7 S5 12 S6 11 S7 10 S8 9 D 8 A0 1 A1 16 A2 15 EN 2 V 13 GND 14 V 3 U1303 DG408 R1316 909 1 R1315 365 1 R1314 511 1 R1313 715 1 R1312 1 05K 1 R1311 1 47K 1 R1310 2 05K 1 R1309 2 87K 1 Z1301 BRIDGE 18V 18V 6 2 3 4 7 5 1 Ref Sense V V U...

Page 31: ...1404 10K 1 R1419 10 R1421 10 15V 15V C1403 100P R1432 1K C1404 100P C1414 2 2N D1401 BAS85 R1422 10 R1420 10 R1427 4 7K 1 R1428 4 7K 1 C1416 100N C1401 22UF 35V Q1401 PZT2907A Q1402 PZT2222A R1411 1K 1 R1412 1K 1 D1403 BAS85 D1402 BAS85 D1404 BAS85 C1407 47N C1408 47N InRight InRight R1415 1K 1 R1417 1K 1 R1416 1K 1 R1418 1K 1 R1405 10K 1 R1406 10K 1 R1407 10K 1 R1408 10K 1 R1423 10 R1424 10 15V 1...

Page 32: ... R1509 4 7K 1 R1512 4 7K 1 R1514 4 7K 1 R1516 4 7K 1 1 2 3 4 8 V V U1502A TLC082 5VS 5VS R1522 10K 1 R1521 11K 1 C1510 100N SDATA 1 LRCK 3 SCLK 2 MCLK 4 VA 7 AGND 6 AINL 8 AINR 5 U1503 CS5330 SDATA 1 LRCK 3 SCLK 2 MCLK 4 VA 7 AGND 6 AINL 8 AINR 5 U1504 CS5330 5 6 7 U1502B TLC082 R1517 150 1 R1518 150 1 R1519 150 1 R1520 150 1 CLK 3 D 2 PRE 4 CLR 1 Q 5 Q 6 U1505A 74HCT74 CLK 11 D 12 PRE 10 CLR 13 Q...

Page 33: ... 24 DEM0 CCLK 10 DEM1 CDTI 11 DFS 9 PDN 4 SMUTE CSN 8 P S 25 U1602 AK4393 C1614 100N 5VA C1610 100N 5VD C1616 100N C1615 100N R1602 10 SDATA2 5VA 5VD 5VA in 5VD in C1629 1 5N 5 C1618 1N 1 C1617 1N 1 C1625 1 8N 5 15V 15V R1631 4 42K 1 Z1601 BRIDGE R1610 1K 0 1 R1612 1K 0 1 R1613 1K 1 R1628 3 83K 1 R1611 1K 1 R1609 1K 0 1 R1614 1K 0 1 C1630 1 5N 5 C1620 1N 1 C1619 1N 1 C1626 1 8N 5 R1632 4 42K 1 Z16...

Page 34: ...9 D 8 A0 1 A1 16 A2 15 EN 2 V 13 GND 14 V 3 U1702 MAX308 R1721 909 1 R1720 365 1 R1719 511 1 R1718 715 1 R1714 1 05K 1 R1713 1 47K 1 R1712 2 05K 1 R1711 2 87K 1 18V 18V Gain EN Gain A0 Gain A1 Gain A2 C1701 1N 5 R1709 100K R1710 100K C1702 470UF 35V C1703 470UF 35V 18V 18V R1707 15 1 R1708 15 1 R1706 8 87K 0 1 R1717 9 76K 0 1 R1702 4 64K 0 1 R1703 4 64K 0 1 R1704 4 64K 0 1 R1705 4 64K 0 1 R1716 11...

Page 35: ...3 6 S4 7 S5 12 S6 11 S7 10 S8 9 D 8 A0 1 A1 16 A2 15 EN 2 V 13 GND 14 V 3 U1802 MAX308 R1821 909 1 R1820 365 1 R1819 511 1 R1818 715 1 R1814 1 05K 1 R1813 1 47K 1 R1812 2 05K 1 R1811 2 87K 1 18V 18V Gain EN Gain A0 Gain A1 Gain A2 C1801 1N 5 R1809 100K R1810 100K C1802 470UF 35V C1803 470UF 35V 18V 18V R1807 15 1 R1808 15 1 R1806 8 87K 0 1 R1817 9 76K 0 1 R1802 4 64K 0 1 R1803 4 64K 0 1 R1804 4 64...

Page 36: ... 9 D 8 A0 1 A1 16 A2 15 EN 2 V 13 GND 14 V 3 U1902 MAX308 R1921 909 1 R1920 365 1 R1919 511 1 R1918 715 1 R1914 1 05K 1 R1913 1 47K 1 R1912 2 05K 1 R1911 2 87K 1 18V 18V Gain EN Gain A0 Gain A1 Gain A2 C1901 1N 5 R1909 100K R1910 100K C1902 470UF 35V C1903 470UF 35V 18V 18V R1907 15 1 R1908 15 1 R1906 8 87K 0 1 R1917 9 76K 0 1 R1902 4 64K 0 1 R1903 4 64K 0 1 R1904 4 64K 0 1 R1905 4 64K 0 1 R1916 1...

Page 37: ...3 6 S4 7 S5 12 S6 11 S7 10 S8 9 D 8 A0 1 A1 16 A2 15 EN 2 V 13 GND 14 V 3 U2002 MAX308 R2021 909 1 R2020 365 1 R2019 511 1 R2018 715 1 R2014 1 05K 1 R2013 1 47K 1 R2012 2 05K 1 R2011 2 87K 1 18V 18V Gain EN Gain A0 Gain A1 Gain A2 C2001 1N 5 R2009 100K R2010 100K C2002 470UF 35V C2003 470UF 35V 18V 18V R2007 15 1 R2008 15 1 R2006 8 87K 0 1 R2017 9 76K 0 1 R2002 4 64K 0 1 R2003 4 64K 0 1 R2004 4 64...

Page 38: ...4 10U 22V out C2514 470U 16V R2512 10 C2513 1N 100V C2515 470U 16V C2516 470U 16V C2517 470U 16V C2518 470U 16V R2520 180 C2527 47N C2528 47N C2529 47N R2506 16 9K 1 L2501 47U R2517 1 2 R2521 22 6K R2515 180K R2522 2 74K 1 C2519 1N C2520 100N 22V out R2509 820 C2523 470U 50V C2522 470U 50V C2521 470U 50V C2524 470U 50V C2525 470U 50V C2526 470U 50V TST2507 22V OUT TST2508 22V OUT LV out TST2509 LV...

Page 39: ...2V in D2603 PRLL4002 C2605 100UF 35V R2607 N U 390 3W TST2606 18V OUT C2604 100UF 35V R2606 N U 390 3W TST2604 18V OUT TST2601 3 3V OUT TST2602 5VA OUT TST2603 5VD OUT C2603 470U 16V C2602 470U 16V C2601 470U 16V R2605 N U 12 3W R2603 N U 27 3W R2604 N U 27 3W D2601 PRLL4002 D2602 PRLL4002 R2601 240 1 R2602 390 1 Note 1 resistors R2603 to R2607 shall not be installed on production boards they are ...

Page 40: ...EQ ESSI0_CLK ESSI0_FS ESSI0_RD ESSI0_TD0 ESSI0_TD1 SCI_TXD SCI_CLK SCI_RXD 3 3V ESSI0_SC1 DSP Circuits NX242rev2_0 S53 sch 5VD MCLK SenseSYNC SCLKx2 SCLK LRCKx2 LRCK CLK_MAIN Converter Clocks NX242rev2_0 S54 sch MuxA 15 18 5VD 5VD 3 3V 3 3V 18V 18V AD 0 7 SWI 1 7 LED 1 18 LCD_ CS LCD_D C LCD_R W 5VD ENC1 ENC2 Front panel NX242rev2_0 S55 sch 3 3V LED 1 18 SWI 1 7 5VD DigIO 1 32 DigIO 1 32 DigIO 1 6...

Page 41: ...35 P0 7 AD7 36 P0 6 AD6 37 P0 5 AD5 38 P0 4 AD4 39 P0 3 AD3 40 P0 2 AD2 41 P0 1 AD1 42 P0 0 AD0 43 VCC 44 VSS 22 XTAL2 20 U5101 TS80C32X2 R1IN 13 T2IN 10 T1IN 11 R2IN 8 R1OUT 12 R2OUT 9 T1OUT 14 T2OUT 7 C1 1 C2 4 GND 15 C1 3 VCC 16 C2 5 V 6 V 2 U5102 MAX202ECSE 5VD C5111 10N 5VD A7 A0 A1 A2 A3 A4 A5 A6 A7 A0 A1 A2 A3 A4 A5 A6 A7 A0 A1 A2 A3 A4 A5 A6 A12 A8 A9 A10 A11 A14 A13 A12 A8 A9 A10 A11 AD7 ...

Page 42: ...nI 1 6 5VD LCD_ CS CE U5104 OE U5104 CE U5105 OE U5105 A12 A13 A14 A15 WR RD PSEN PAGEA0 PAGEA1 PAGEA2 PAGEA3 DSP_CS EXP_CS MuxA15 MuxA16 MuxA17 MuxA18 MuxA 15 18 MuxA 15 18 LED 1 18 LED 1 18 AD 0 7 AD 0 7 GainI4 GainI3 GainI6 GainI5 GainO20 GainO21 GainO22 GainO23 GainO24 GainO25 GainO26 GainO27 GainO28 GainO29 GainO30 GainO31 GainO 20 31 MUTE DSP RST LED17 LED18 LED8 LED1 LED2 LED3 LED4 LED5 LED...

Page 43: ...5 AA0 70 AA1 69 AA2 51 AA3 50 BCLK 60 BCLK 61 CAS 52 RD 68 WR 67 BB 64 D0 100 D1 101 D10 114 D11 115 D12 116 D13 117 D14 118 D15 121 D16 122 D17 123 D18 124 D19 125 D2 102 D20 128 D21 131 D22 132 D23 133 D3 105 D4 106 D5 107 D6 108 D7 109 D8 110 D9 113 U5301B DSP56303 3 3V C5311 10N EXTAL 55 MODA 137 MODB 136 MODC 135 MODD 134 PCAP 46 PINIT 6 RESET 44 TCK 141 TDI 140 TMS 142 TRST 138 CLKOUT 59 XTA...

Page 44: ...ion 1 CLK_MAIN LRCK SCLK SenseSYNC LRCKx2 MCLK SCLKx2 C5403 10N 1 2 3 U5107A 74HCT00 4 5 6 U5107B 74HCT00 8 9 10 U5107C 74HCT00 D0 15 D1 1 D2 10 D3 9 Q0 3 Q1 2 Q2 6 Q3 7 RC 13 TC 12 CP 14 CE 4 U D 5 PL 11 GND 8 VCC 16 U5401 74HC191 D0 15 D1 1 D2 10 D3 9 Q0 3 Q1 2 Q2 6 Q3 7 RC 13 TC 12 CP 14 CE 4 U D 5 PL 11 GND 8 VCC 16 U5402 74HC191 C5402 10N 5VD 5VD C5401 10N GND 7 VCC 14 U5107E 74HCT00 5VD 5VD ...

Page 45: ...2 G3G4 SW5505 ENCODER G1 G2 1 2 SW5503 G1 G2 1 2 SW5504 G1 G2 1 2 SW5502 G1 G2 1 2 SW5501 G1 G2 1 2 SW5506 G1 G2 1 2 SW5507 G1 G2 1 2 SW5508 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CN5501 PCB CONNECTOR 7X2 LED16 LED13 LED14 LED15 LED12 LED9 LED10 LED11 LED8 LED5 LED6 LED7 LED4 LED1 LED2 LED3 LED17 LED18 R5503 330 R5504 330 R5505 330 R5506 330 R5507 330 R5508 330 R5509 330 R5510 330 R5511 330 R5512 330 R5...

Page 46: ...CAM Products 2000 TM C CAMtasti fichiers NX242rev2_0_1 NX242rev2_0 cam ...

Page 47: ...4 Fax 33 1 48 63 24 61 e mail info nexo fr USA Nexo USA Inc 2165 Francisco Boulevard Suite E2 San Rafael CA 94901 Tel 1 415 482 6600 Fax 1 415 482 6110 e mail info nexo cc LatAM Nexo Latin America Hualfin 1054 1424 Capital Federal Argentina Tel 54 114 432 1911 Fax 54 114 431 1007 e mail info nexo fr www nexo sa com ...

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