Nexo NXAMP4X1 Service Manual Download Page 113

Page: 113 / 123

NXAMP4x1
14

NXAMP4x1

28CC1-2001022127-60 1

See parts list for details of circuit board component parts.

Note:

Not installed

Installed

<P.13: D6>
<P.13: I5>
<P.11: O3>

<P.9: H8>

<P.13: D6>
<P.13: I5>
<P.11: O3>

<P.9: H9>

<P.13: D6>
<P.13: I6>
<P.11: O3>

<P.13: D6>
<P.13: I5>
<P.11: O3>

<P.13: B4>

<P.13: H2>

<P.13: D4>
<P.13: D5>

■

CIRCUIT DIAGRAM 6/15 (CONTROL 6/6)

Summary of Contents for NXAMP4X1

Page 1: ...LL ASSEMBLY WIRING 7 DISASSEMBLY PROCEDURES 17 LSI PIN DESCRIPTION 26 IC BLOCK DIAGRAM 27 CIRCUIT BOARDS 33 TEST PROGRAM 52 INSPECTIONS 59 UPDATING THE FIRMWARE 64 PARTS LIST IC DIODE FIGURES BLOCK DIAGRAM CIRCUIT DIAGRAM CONTENTS Copyright c NEXO S A All rights reserved PDF 08 01 ...

Page 2: ... plug which is marked by the letter E or by the safety earth symbol or colored GREEN or colored GREEN and YELLOW The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED WARNING This product contains chemicals known to the...

Page 3: ... A B 6 Volume indicators 1 Mains connectors 2 Balanced audio inputs with link 3 Expansion slot 4 Power outputs Front Panel A 0 2 1 6 7 5 3 4 8 9 6 5 7 3 2 4 1 7 Mute buttons 8 Select buttons 9 Channel indicators 0 Air intakes A Screw holes for handles 5 RS 232 Firmware update port 6 GPIO port 7 Rear end mounting holes ...

Page 4: ...NXAMP4x1 4 CIRCUIT BOARD LAYOUT Rear Panel INANL PAANL CONTROL PAANL PAANL PAANL RS232 GPI PSANL OPT AN OPT AN PSANL Front Panel INANL RS232 GPI PN AN OUTANL PA unit PA unit PA unit PA unit OUTANL ...

Page 5: ...n to avoid an electrical shock do not touch the upper metallic part of the following capacitors until the remaining voltage has discharged Discharging Method Before starting the service work connect discharging resistors 220 ohms 10W to the terminals indicated in the figure below to discharge electricity 7 points The required discharging time is about 10 seconds Check that the DC voltage between t...

Page 6: ...0 ohms 10W 220 ohms 10W C316 C316 D305 D305 C322 C354 C344 C355 C345 C356 C347 C357 C348 C354 C344 C355 C345 C356 C347 C357 C348 C317 C323 3 4 6 1 220 ohms 10W C318 C319 C318 D306 D306 C324 C319 C325 2 C305 C307 C316 C305 C307 C316 220 ohms 10W 220 ohms 10W 220 ohms 10W 220 ohms 10W 5 ...

Page 7: ...f the preproduction product they may differ from the commodity products in detail However the wiring and so on is not so differ between them So refer only to wiring and so on 1 Wiring of the PN AN circuit board 1 Process the flat cable WK02100 Fig 1 2 Connect the flat cable WK02100 to the PN AN circuit board Fig 2 3 Install the PN AN circuit board to the front panel Fig 3 115 1 mm 25 1 mm 90 90 11...

Page 8: ...ch assembly to the connector CN103 Fig 7 Fig 6 Check Check Fig 7 3 Wiring of the FAN Connect the connector of the FAN to the each terminal Fig 8 Fig 8 4 Attaching of the support cushion Attach the support cushion WN15950 at the specified area on the pattern side of the CONTROL circuit board Fig 9 Note Be sure to remove the oil and the dust etc on the attaching surface before attaching the support ...

Page 9: ...of the AC INLET through the ferrite core s hole twice and wind them to the ferrite core Screw an each screw terminal to the specified terminal Fig 12 13 Fasten the GND wire with a cord holder U destination Fig 12 Screwing torque GND LINE 1 8N m L N LINE 0 78 m Fig 11 d e Fix the wires to the terminal using the screws and refer to the fig 14 and fig 15 for the direction of each terminal Cord holder...

Page 10: ...UNIT to the FASTON terminals of the OUTANL circuit board PA UNIT CH1 CH2 WN52530 ORANGE CN805 WK16830 YELLOW CN806 PA UNIT CH3 CH4 WN52530 ORANGE CN807 WK16830 YELLOW CN808 Then fold the wires WK16830 WF44430 at the center of them and fasten them with a cord holder Fig 19 c Connect the wires WK16820 x2 to the connectors CN306 CN317 of the PSAN circuit board Connect the wire WK14200 to the connecto...

Page 11: ...ically pulled from PA UNIT Before fastening pull the wire WK02090 toward the front panel side in advance f Twist the wires white red and black of PA UNIT more than two times and connect them to the FASTON terminals according to the wire color displayed on the PSANL circuit board Then bend these wires and fasten them with a cord holder Fig 20 Fig 19 a a c b c b e d b e f f f g h f d b Fig 20 ...

Page 12: ...K90770 with a cord holder at the hole of the RS232 GPI circuit board Fig 22 j Fasten the wires WK02080 WK90770 and WK02070 with a cord holder at the hole of the enclosure Fasten the wires WK90790 WK17110 with a cord holder at the hole of the enclosure Fig 22 k Fasten the wires WK90790 WK17110 with a cord holder at the hole of the OPT AN circuit board Then connect the flat cable WK02120 Fig 22 l Fa...

Page 13: ...NXAMP4x1 13 Fig 22 i j 1 j 2 j 2 j 1 m o n l k k k i j 1 j 2 j 2 j 1 m o n l k k k The hole of the enclosure The hole of the enclosure ...

Page 14: ... figure below Fig 26 27 8 Color of the connectors connected to the connector CN012 CN015 Connect the connector assembly from the PA unit to the CONTROL circuit board as shown in the figure below Fig 25 Fig 25 Fig 26 Fig 27 U destination CHN destination o Bend the flat cable to avoid touching the top cover Fig 23 24 Fig 23 Fig 24 CN012 RED CN013 BLUE CN014 YELLOW CN015 GREEN ...

Page 15: ...imary side of the PSANL circuit board Fig 28 29 Fig 28 Fig 29 11 Insulation distance between WK14210 and primary side capacitor Perform wiring the connector assembly WK14210 with care so that its uncovered portion with the SUMI tube does not touch the capacitors C317 and C319 on primary side of the PSANL circuit board Fig 30 31 Fig 30 Fig 31 C324 C318 C325 C319 C324 C318 C325 C319 C323 C322 C317 C...

Page 16: ... the SUMI tube does not touch the bare terminal of the connector CN203 of the RS232 GPI circuit board Fig 32 Fig 32 13 Adhesive cloth tape Cover the two screws near R587 and R588 in each PA unit 190 and 230 with adhesive cloth tape 185 and 225 as shown in the figure below Fig 33 Fig 33 IOAN circuit board GPI circuit board IOAN circuit board GPI circuit board ...

Page 17: ...CEDURES 650 Bind Head Screw 4x8 MFZN2B3 Fig 1 1 Top Cover Time required about 3 minutes 1 1 Remove the thirteen 13 screws marked 650 Fig 1 1 2 The top cover can then be removed Fig 1 650 Top cover Top cover Top cover 650 650 650 ...

Page 18: ... 1 2 2 Remove the four 4 screws marked 430 Fig 2 2 3 Disconnect the connector assemblies from other units connected to the CONTROL circuit board Fig 2 2 4 The CONTROL circuit board can then be removed Fig 2 2 5 Remove the three 3 screws marked 400 and the two 2 screws marked 410 Fig 2 2 6 Remove the OPT angle with the OPT AN circuit board Fig 2 2 7 Remove the two 2 screws marked 380 Fig 2 2 8 The ...

Page 19: ...8 screws marked 280 the one 1 screw marked 290 and the one 1 screw marked 285 Fig 3 3 4 Disconnect the connector assemblies from other units connected to the OUTANL circuit board Fig 3 3 5 The OUTANL circuit board with the two 2 insulation sheets and the two 2 shields can then be removed Fig 3 3 6 Remove the three 3 plastic rivets marked 277 Fig 3 3 7 Remove the insulation sheet 1 the shield 1 the...

Page 20: ... screws marked 100 the one 1 hexagonal spacers marked 90 and the one 1 hexagonal spacer marked 95 Fig 4 4 7 Disconnect the connector assemblies from other units connected to the PSANL circuit board Fig 4 4 8 The PSANL circuit board can then be removed Fig 4 90 Hexagonal Spacer H 89 B 5 5 95 Hexagonal Spacer H 41 B 5 5 100 Bind Head Tapping Screw S 3x6 MFZN2W3 150 Flat Head Tapping Screw B 3x8 MFZN...

Page 21: ... The INANL circuit board can then be removed Fig 5 70 Bind Head Tapping Screw B 2 6x8 MFZN2B3 330 Hexagonal Lock Screw Fig 5 330 RS232 GPI 70 INANL 6 RS232 GPI Circuit Board Time required about 7 minutes 6 1 Remove the top cover See procedure 1 6 2 Remove the four 4 hexagonal lock screws marked 330 Fig 5 6 3 Disconnect the flat cable from other unit connected to the RS232 GPI circuit board Fig 5 6...

Page 22: ...8 MFZN2B3 260 Bind Head Screw 4x8 MFZN2B3 660A Screw Cover T5N 660B Screw Cover T5N 670A Bind Head Tapping Screw B 3x8 MFZN2B3 670B Bind Head Tapping Screw B 3x8 MFZN2B3 Fig 6 8 Right CH3 CH4 PA unit Time required about 15 minutes 8 1 Remove the top cover See procedure 1 8 2 Remove the CONTROL circuit board and the OPT angle See procedure 2 8 3 Remove the four 4 screws marked 670B and re move the ...

Page 23: ...Board and the OPT angle See procedure 2 9 3 Remove the eight 8 screws marked 590 Fig 7 9 4 Remove the front panel 2 Fig 7 9 5 Disconnect the connector of the power switch assem bly connected to the PSANL circuit board Fig 7 9 6 Remove the eight 8 screws marked 510 Fig 7 9 7 Disconnect the flat cable from other unit connected to the PN AN circuit board Fig 7 9 8 The front panel assembly can the be ...

Page 24: ...n can then be removed Fig 8 11 Left DC Fan Time required about 15 minutes 11 1 Remove the top cover See procedure 1 11 2 Remove the CONTROL circuit board and the OPT angle See procedure 2 11 3 Remove the front panel assembly See procedure 9 11 4 Remove the two 2 screws marked 40A and the two 2 hexagonal nuts marked 50A Fig 8 11 5 Disconnect the connector of the left DC fan connected to the PSANL c...

Page 25: ...the power switch assembly connected to the PSANL circuit board Fig 9 13 4 Remove the front panel assembly See procedure 9 13 5 Release the four 4 hooks of the power switch and remove the power switch from the front panel assembly Fig 9 Fig 9 510 590 590 Front panel assembly Front panel 2 Power switch Power switch Hook Hook Hook Hook 510 Flat Head Screw 4x8 MFZN2B3 590 Bind Head Tapping Screw S 3x6...

Page 26: ...nable input output 1 Audio data bit clock input output 1 Audio data digital output Digital GND Digital power supply 3 3 V System clock input 256 fs 384 fs 512 fs or 768 fs 3 Oversampling ratio select input LOW x 64 fs HIGH x 128 fs 2 Audio data format select input 0 See data format section 2 Audio data format select input 1 See data format section 2 Mode select input 0 See data format section 2 Mo...

Page 27: ...14 15 16 17 18 19 20 21 22 23 24 5 3 I2C SPI Control Port I2C SPI Serial Control 8 channel Analog Inputs 8 channel Analog Outputs 8V to 9V 3 3V Zero Crossing Detector RD Q Q latch 1 SD Q0 A0 RD Q Q latch 2 SD A1 RD Q Q E latch 3 SD A2 RD Q Q latch 4 SD A3 LE Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 VCC A3 A2 Q10 Q11 Q8 Q9 Q14 Q15 Q12 Q13 E 1 2 3 4 24 23 22 21 A0 A1 Q7 Q8 Q5 Q4 Q3 Q1 Q2 Q...

Page 28: ...E FILTER R R S Q 6 7 5 3 1 2 COM LO VCC VS VB HO 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 EN C1 V C1 C2 C2 V RIN FORCEOFF VCC GND DOUT FORCEON DIN INVALID ROUT DIN DOUT Auto powerdown INVALID RIN FORCEOFF FORCEON ROUT EN 11 16 12 9 8 10 13 1 5 2 SHI Interface 2 12 Triple Timer ESAI Interface 12 ESAI_1 Interface Peripheral Expansion Area 24 Bit DSP56300 Core DDB YAB XAB PAB DAB YDB XDB PDB GDB Power ...

Page 29: ...t B Inverting Input B Non Inverting Input B Inverting Input A COMMON OUTPUT R23 R24 R13 R14 R20 R17 D3 Q22 Q21 Q25 Q20 Q24 Q18 Q9 R18 R19 R16 R15 R21 R12 R11 R10 Q17 R9 R8 R7 R5 R4 D2 D1 R6 C1 C2 C3 R22 Q11 Q13 Q14 Q15 Q19 Q16 Q23 Q8 Q7 Q2 Q1 Q6 Q5 Q3 Q10 Q12 Q4 R1 R2 R3 INPUT INPUT OUTPUT GND INPUT OUTPUT GND MX25L1605AM2C 12G X8718A0 Flash Memory CONTROL IC039 NJM431U TE1 X6770A0 SHUNT Regulator...

Page 30: ... OR V C OUTPUT A 11 13 FB IN SCP SCP 0 5 A 2µA 2kΩ GND OUT RT RT RT DTC 0 5V PWM 1V 1V UVLO V 0 8V 0 2V 1V Vref ER AMP Soft Start Latch Buffer OSC 3 2 4 5 6 7 8 1 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VINL VINR VREF1 VREF2 VCC AGND PDWN BYPAS TEST LRCK MODE1 MODE0 FMT1 FMT0 OSR SCKI VDD DGND DOUT BCK BCK VINL Reference VREF1 VREF2 VINR Delta Sigma Modulator Delta Sigma Modulator x 1 6...

Page 31: ...5 6 7 20 19 18 17 16 15 14 Vcc G2 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 8 9 10 12 11 GND A8 A7 A6 A5 A4 A3 A2 A1 G1 13 4B 13 4A 12 4Y 11 3B 10 3A 9 3Y 8 1B 2 1Y 3 2A 4 2B 5 2Y 6 GND 7 Vcc 14 1A 1 1 DIR A1 A2 A3 A4 A5 A6 A7 A8 GND Vcc OE B1 B2 B3 B4 B5 B6 B7 B8 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND Y3 A3 A2 A1 VCC A6 A5 A4 Y6 Y5 Y4 Y2 Y1 1 2 3 4 5 6 7 14 13 12 11 10 9 8 SN74LV273APWR X5074A0 D typ...

Page 32: ...TH JITTER SAW LIQHT LOAD FREQUENCY REDUCTION CLOCK HALF FREQ LINE SENSE OVAIV 1 V CONTROL 1C LINE SENSEL 2L DRAIN 7D SOURCE 4S FREQUENCY 5F EXTERNAL CURRENT LIMIT 3X 5 0V 6 8V 4 6V INTERNAL UV COMPARATOR VBG VBG VT IFB ZC RE VC VI LIMIT SOFT START SOFT START ON OFF DCMAX DCMAX DMAX SOFT START 8 SHUTDOWN AUTO RESTART SHUNT REGULATOR ERROR AMPLIFIER S PWM COMPARATOR R Q HYSTERETIC THERMAL SHUTDOWN C...

Page 33: ... Circuit Board X8711C0 41 OPT AN Circuit Board X8711C0 41 OUTANL Circuit Board X8714C0 39 PAANL Circuit Board X8713D0 46 PN AN Circuit Board X8711C0 42 PSANL Circuit Board X8715D0 47 RS232 GPI Circuit Board X8711C0 41 CIRCUIT BOARDS Note See parts list for details of circuit board component parts ...

Page 34: ...NXAMP4x1 34 N C to PSANL CN313 to PSANL CN201 to OUTANL CN809 CN810 to PN AN CN001 A A CONTROL Circuit Board 2NA WJ97120 10 2 Component side ...

Page 35: ...NXAMP4x1 35 L to OUTANL CN809 CN810 to RS232 GPI CN201 to INANL W701 to OPT AN CN301 A A to PAANL CH2 CN403 to PAANL CH3 CN401 to PAANL CH4 CN403 to PAANL CH1 CN401 2NA WJ97120 10 2 Component side ...

Page 36: ...NXAMP4x1 36 B B CONTROL Circuit Board Pattern side 2NA WJ97120 10 2 ...

Page 37: ...NXAMP4x1 37 B B Pattern side 2NA WJ97120 10 2 ...

Page 38: ...NXAMP4x1 38 to CONTROL CN006 BALANCED INPUTS D C B A INANL Circuit Board 2NA WJ97320 10 Component side Pattern side ...

Page 39: ...o PSANL CN306 to PSANL CN317 POWER OUTPUTS Speakon D Speakon C Speakon B Speakon A to PSANL CN202 to PAANL CH1 W405 ORANGE to PAANL CH2 W406 YELLOW to PAANL CH3 W405 ORANGE to PAANL CH4 W406 YELLOW OUTANL Circuit Board 2NA WJ97320 10 Component side ...

Page 40: ...NXAMP4x1 40 OUTANL Circuit Board 2NA WJ97320 10 Pattern side ...

Page 41: ...OL CN10 to CONTROL CN017 GPIO Expansion slot RS232 RS232 GPI Circuit Board 2NA WJ97170 10 1 Component side Pattern side Component side Pattern side Component side Pattern side OPT AN Circuit Board LCD SPACER Circuit Board ...

Page 42: ...NXAMP4x1 42 A A 1 MUTE SIGNAL PROTECT PEAK SELECT MUTE MUTE 2 3 PN AN Circuit Board 2NA WJ97170 10 1 Component side ...

Page 43: ...NXAMP4x1 43 A A to CONTROL CN009 POWER STAND BY AMP PROTECT E MUTE 4 A vol B Encoder 2NA WJ97170 10 1 Component side ...

Page 44: ...NXAMP4x1 44 B B PN AN Circuit Board 2NA WJ97170 10 1 Pattern side ...

Page 45: ...NXAMP4x1 45 2NA WJ97170 10 1 B B Pattern side ...

Page 46: ...NXAMP4x1 46 A A B B to CONTROL CN012 CN014 to OUTANL CN805 CN807 to OUTANL CN806 CN808 to CONTROL CN013 CN015 PAANL Circuit Board 2NA WJ97310 10 1 Component side Pattern side Reduction 9 10 ...

Page 47: ...NXAMP4x1 47 A A B B to PSANL CN312 CN315 to PSANL CN307 CN310 to PSANL CN316 CN309 to PSANL CN305 CN308 2NA WJ97310 10 1 Component side Pattern side Reduction 9 10 ...

Page 48: ...01 to CONTROL CN007 to FUN to FUN to CONTROL CN011 to OUTANL CN202 to PAANL CN401 to PAANL W402 to PAANL W404 to PAANL W403 to PAANL W404 to OUTANL W802 to PAANL W402 7 8 9 10 11 12 6 5 4 3 2 1 PSANL Circuit Board 2NA WJ97350 50 Component side Reduction 7 10 ...

Page 49: ...NXAMP4x1 49 2NA WJ97350 50 B A Component side Reduction 7 10 ...

Page 50: ...NXAMP4x1 50 B B PSANL Circuit Board 2NA WJ97350 50 Pattern side Reduction 7 10 ...

Page 51: ...NXAMP4x1 51 B B 6 5 4 3 2 1 7 8 9 10 11 12 2NA WJ97350 50 Pattern side Reduction 7 10 ...

Page 52: ...s RS 232C jig x1 GPI jig x1 SLOT jig x1 RS 232C jig D SUB 9 pin female connector GPI jig D SUB 25 pin male connector SW1 SLOT jig a 1 ETH_CS ES_CS SPI_CLK SPI_MISO SPI_MOSI ES_SERIAL_RX ES_SERIAL_TX INT_FROM_ES ES_GPI1 ES_GPI2 ES_GPI3 ES_I2S_DATA0 ES_I2S_DATA1 ES_MCLK ES_SCLK ES_LRCK SOURCE_SEL Q0 Q1 Q2 Q3 b 1 a 40 b 40 3 3D LV169 Q0 Q1 Q2 Q3 LV169 XTAL 12 288MHz 3 3D 2 Test connection image NXAMP...

Page 53: ...H Press the B button to start the test The LCD shows one by one the switch name to be tested as shown below 01 SWITCH HIT SELECT CH1 Press the switch displayed on the LCD as instructed If all instructed switches are OK the display automati cally returns to the test menu screen 4 2 ENCODER test 00 CHOOSE TEST 02 ENCODER Press the B button to start the test and the following display appears 02 ENCOD...

Page 54: ...he B button to continue the test The test executes automatically After executing the test the following display appears When an error occurs the ERROR appears and the test program is stopped 05 RS 232C RELEASE RS 232C Disconnect the RS 232C jig from the RC232C port Press the B button to return the display to the test menu screen 4 6 GPI test 00 CHOOSE TEST 06 GPI Connect the GPI jig to the GPIO po...

Page 55: ...ns to the test menu screen If an error occurs ERROR appears and the test pro gram is stopped 4 9 WORD CLOCK test 00 CHOOSE TEST 09 WORD CLOCK Press the B button to start the test The following dis play appears 09 WORD CLOCK LRCK 48k TEST OK Press the B button to continue the test The test is ex ecuted automatically If normal the following display appears 09 WORD CLOCK LRCK 96k TEST OK Press the B ...

Page 56: ...at the FAN rotates at high speed and press the B button to return the display to the test menu screen 00 CHOOSE TEST 13 SLOT Remove the 610 plate on the rear panel of the NXAMP4x1 and insert the SLOT jig into the expansion slot Press the B button to start the test The test executes automatically If every signal is normal the following display appears and the LED of the SLOT jig lights If an error ...

Page 57: ...7 CALIBRATION CH3 INPUT SIGNAL OK Input the 1 kHz 10 dBu sine wave to the channel 3 in put terminal and press the B button The analog input level is automatically calibrated and the following dis play appears 17 CALIBRATION CH4 INPUT SIGNAL OK Input the 1 kHz 10 dBu sine wave to the channel 4 in put terminal and press the B button The analog input level is automatically calibrated and the followin...

Page 58: ...ct the 8 ohms resistor to the channel 2 output ter minal Adjust the input signal voltage so that the output voltage obtained at the channel 2 output terminal is 24 Vrms 29 8 dBu and press the B button The output current monitor is automatically calibrated and the following display appears 17 CALIBRATION CH3 CONNECT 8 OHM LOAD Connect the 8 ohms resistor to the channel 3 output ter minal Adjust the...

Page 59: ... filter character istics as follows BW 22 Hz 22 kHz Filter Fltr None 1 4 Connections Each input and output terminal of channels 1 4 are as shown in the figure below Ch4 OUT Ch3 OUT Ch2 OUT Ch1 OUT Ch4 IN Ch4 LINK OUT Ch3 LINK OUT Ch2 LINK OUT Ch1 LINK OUT Ch3 IN Ch2 IN Ch1 IN 1 4 1 Input connector The XLR 3 31 female type connectors are used for channel 1 4 input terminals Condition Balanced input...

Page 60: ... and only one of the VOLUME LEDs for each channel light up 2 2 Power consumption when idling Measure the primary power consumption and confirm that the measured value is 70 20 W 2 3 Output terminal DC voltage Measure the DC voltage Vdc of each output terminal and confirm that the measured value is Vdc 0 50 mV 20 0 20 0 20 0 20 0 Vol dB MAIN MAIN SUB SUB Example of firmware version 1 00 3 Inspectio...

Page 61: ... output voltage obtained at the output terminal for each frequency Confirm that the output voltage at 10 Hz is 0 0 5 dB when compared with the output voltage at 1 kHz 0 dB Confirm that the output voltage at 20 kHz is 0 5 0 5 dB when compared with the output voltage at 1 kHz 0 dB 4 5 Distortion Input the 1kHz sine wave to each channel input terminal and confirm that the distortion in each channel o...

Page 62: ... Confirm that the output voltage at the channel 1 channel 2 and channel 4 output terminals is 65 dB or less as compared with the reference voltage 4 Ground the channel 1 channel 2 and channel 3 input terminals via a 600 Ω resistor Input the 1 kHz 0 dBu sine wave to the channel 4 input terminal and measure the output voltage obtained at the channel 4 output terminal as the reference voltage 0 dB Co...

Page 63: ...rminals and output terminals of channel 2 and channel 4 are not used in this section 5 1 Gain Input the 1 kHz 0 dBu sine wave to each input terminal and confirm that the output voltage obtained at each output terminal is 29 1 1 2 dBu 5 2 Frequency response Perform the following test at each channel Input the 10 Hz 1 kHz 20 kHz 0 dBu sine wave to the input terminal and one by one measure the output...

Page 64: ...he PC to the connector CN005 of the CONTROL circuit board installed in the NXAMP4x1 with the USB JTAG adapter RLINK ST Note When you connect the USB JTAG adapter RLINK ST for the first time the USB driver will be required The USB driver is in cluded in the downloaded file at previous step 1 1 Locate and install the driver 2 Updating operation 1 Turn the power switch of the NXAMP on 2 Start up the ...

Page 65: ...Save button to save the set up file so that this operation will not be required again Fig 3 JTAG Programmer screen 10 Click the Yes button to start updating the firmware 11 Restart the PC after the completion of the updating 7 Click the HW Setup button and the following hardware setting screen appears Fig 4 8 Select the RLink at Hardware selection Fig 4 Hardware Setting screen 9 Click the Execute ...

Page 66: ...s having special characteristics are marked and must be replaced with parts having specification equal to those originally installed The numbers QTY show quantities for each unit The parts with in PART NO are not available as spare parts This mark in the REMARKS column means these parts are interchangeable The second letter of the shaded part number is O not zero The second letter of the shaded pa...

Page 67: ...tion See page 4 LCD Assembly See page 8 110 110a 360 370 380 390 400 410 420 425 430 440 450 455 460 470 480 490 500 505 500 510 510 530 540 540 545 550 560 580 570 590 590 600 610 620 630 350 640 650 650 650 650 660 660 670 660 660 670 340 430 ...

Page 68: ...AN WJ97150 380 Bind Head Tapping Screw S 3x6 MFZN2W3 WE87790 2 390 FFC Cable SMCD 40P 70mm WK02120 400 Bind Head Tapping Screw S 3x6 MFZN2W3 WE87790 3 410 Bind Head Tapping Screw S 3x6 MFZN2B3 WE87780 2 420 Circuit Board CONTROL 425 Cushion Control AN PA WN15950 430 Bind Head Tapping Screw S 3x6 MFZN2W3 WE87790 4 440 Sub Chassis AN PA WK14900 450 Bind Head Tapping Screw S 3x6 MFZN2W3 WE87790 3 455...

Page 69: ... 10 20 20 20 20 30 30 40 40 50 50 50 50 60 70 75 80 90 95 100 100 100 185 120 130 150 140 140a 160 170 180 190 PA Unit See page 6 200 210 220 230 PA Unit See page 6 240 250 260 270 273 277 274 275 276 280 285 290 300 310 320 330 225 ...

Page 70: ...E87790 9 120 Connector Assembly PH11P C C 11P 200mm WK68760 130 Connector Assembly PH9P C C 9P 200mm WK68770 140 Connector Assembly ACPS 20A POWERCON ASS Y U WK66050 140a AC Connector NAC3MPA U WK66030 140 Connector Assembly ACPS AC INLET ASS Y CHN WK66040 140a AC Inlet AP 300 3 CHN WF40880 150 Flat Head Tapping Screw B 3x8 MFZN2B3 U WF26680 2 150 Bind Head Tapping Screw B 3x8 MFZN2B3 CHN WE77440 ...

Page 71: ...9P Q512P Q510P Q506P Q508P Q502P Q504P Q506N Q508N Q502N Q504N Q514 Q517 D505 Q525 D502 D501 Q519 Q516 Q523 Q521 Q521N Q511N Q507P Q505P Q503P Q501P Q507N Q505N Q503N Q501N Q515 IC501 Q513 Q510N Q509N FRONT REAR 10 20 20 30 40 40 50 50 60 60 60 60 70 80 PA UNIT ...

Page 72: ...516 Transistor 2SA1668A LFNO 600 Q517 Transistor 2SC4382A LFNO 600 Q518 Transistor 2SA1668A LFNO 600 Q519 Transistor 2SC4382A LFNO 600 Q520 Transistor 2SA1668A LFNO 600 Q521 FET 2SK3003 Q522 FET 2SK3003 Q523 FET 2SK3003 Q524 FET 2SK3003 Q525 FET 2SK3003 Q526 FET 2SK3003 Q501N Pair Transistor A1492A C3856A Q501P Pair Transistor A1492A C3856A Q502N Pair Transistor A1492A C3856A Q502P Pair Transistor...

Page 73: ...タイトＢＩＮＤＢタイトＦＬＡＴＢタイトＢＩＮＤＢタイトＢＯＮＤカード電線ＣＣ RANK 部品名 LCD ASSEMBLY QTY REMARKS DESCRIPTION REF NO PART NO New Parts RANK Japan only 10 30 20 20 40 40 50 LCD Assembly PA 8F27_8F28 WK75670 10 Circuit Board PN AN WJ97130 20 Circuit Board LCD SPACER WK62420 2 30 LCD Module CMS CC2N0124UBSW W WJ43880 40 Nylon Rivet P3570 W BW WK67760 4 50 Acetate Tape 570F W 19 WG52600 ...

Page 74: ...age 10 Heat Sink Unit WK66920 See page 11 Heat Sink Unit WK66930 See page 12 Heat Sink Unit WK66950 See page 14 Heat Sink Unit WK66940 See page 13 Details on PSANL Circuit Board Heat Sink Unit WM44760 See page 15 LOCATIONS OF HEAT SINK UNITS ...

Page 75: ...REMARKS DESCRIPTION REF NO PART NO New Parts RANK Japan only WK66910 WK66910 PSANL Circuit Board 310 320 501 503 502 320 410 310 Heat Sink Unit AN PA HIGH 100mm WK66910 310 Bind Head Screw 3x10 MFZN2W3 WE95290 4 320 Radiation Sheet RSI T 0 07 WB44860 2 410 Heat Sink PS L100 ASSY WM69000 s 501 Diode Stack RBV 3006 30A 600V WH26830 502 Transistor IRG4PC60UPBF 2 503 Thermistor PTMS2331RP716 P7 8 WH32...

Page 76: ...NO New Parts RANK Japan only QTY REMARKS HEAT SINK UNIT L100 WK66920 310 320 501 503 502 320 410 310 WK66920 PSANL Circuit Board Heat Sink Unit AN PA HIGH 100mm WK66920 310 Bind Head Screw 3x10 MFZN2W3 WE95290 4 320 Radiation Sheet RSI T 0 07 WB44860 2 410 Heat Sink PS L100 ASSY WM69000 s 501 Diode Stack RBV 3006 30A 600V WH26830 502 Transistor IRG4PC60UPBF 2 503 Thermistor PTMS2331RP716 P7 8 WH32...

Page 77: ... 品名 HEAT SINK UNIT L60 QTY REMARKS DESCRIPTION REF NO PART NO New Parts RANK Japan only WK66930 WK66930 PSANL Circuit Board 310 504 505 506 420 310 Heat Sink Unit AN PA HIGH 60mm WK66930 310 Bind Head Screw 3x10 MFZN2W3 WE95290 3 420 Heat Sink PS L60 ASSY WM69020 504 Diode Stack FMU 36R 20A 600V V849870 505 Diode Stack FMU 36S 20A 600V VN39950 506 Transistor 2SD2394 E F ST VS88340 ...

Page 78: ...RANK DESCRIPTION REF NO PART NO New Parts RANK Japan only QTY REMARKS HEAT SINK UNIT L60 WK66940 WK66940 PSANL Circuit Board 310 504 505 506 420 310 Heat Sink Unit AN PA HIGH 60mm WK66940 310 Bind Head Screw 3x10 MFZN2W3 WE95290 3 420 Heat Sink PS L60 ASSY WM69020 504 Diode Stack FMU 36R 20A 600V V849870 505 Diode Stack FMU 36S 20A 600V VN39950 506 Transistor 2SD2394 E F ST VS88340 ...

Page 79: ...部品名 HEAT SINK UNIT L50 QTY REMARKS DESCRIPTION REF NO PART NO New Parts RANK Japan only WK66950 WK66950 PSANL Circuit Board 310 507 508 509 430 Heat Sink Unit AN PA HIGH 50mm WK66950 310 Bind Head Screw 3x10 MFZN2W3 WE95290 3 430 Heat Sink PS L50 ASSY WM69030 507 Schottky Diode 10A 60V SF10SC6 WF41740 508 IC NJM7815FA REGULATOR 15V XD853A0 509 IC NJM7915FA REGULATOR 15V XD854A0 ...

Page 80: ...ールドシートＨシールドシートＬ線材ＡｓｓｙＧＮＤ２部品名 RANK DESCRIPTION REF NO PART NO New Parts RANK Japan only QTY REMARKS HEAT SINK UNIT OSH WM44760 310 513 440 PSANL Circuit Board WM44760 Heat Sink Unit NX TX6 25mm WM44760 310 Bind Head Screw 3x10 MFZN2W3 WE95290 440 Heat Sink OSH 1625 SFL WM45790 513 IC TOP246YN IPD REGULATOR X8576A0 ...

Page 81: ...V J US06156 017 Ceramic Capacitor CH chip 56pF 50V J US06156 C018 Ceramic Capacitor F chip 0 1uF 50V Z US06510 C019 Electrolytic Cap 22uF 25V WC89280 022 Electrolytic Cap 22uF 25V WC89280 C027 Ceramic Capacitor F chip 0 1uF 50V Z US06510 031 Ceramic Capacitor F chip 0 1uF 50V Z US06510 C032 Electrolytic Cap chip 100uF 16V UF03810 C033 Electrolytic Cap chip 100uF 16V UF03810 C034 Ceramic Capacitor ...

Page 82: ...205 Mylar Capacitor chip 0 01uF 50V J WB57620 212 Mylar Capacitor chip 0 01uF 50V J WB57620 C213 Ceramic Capacitor B chip 0 01uF 50V K US06410 215 Ceramic Capacitor B chip 0 01uF 50V K US06410 C216 Ceramic Capacitor F chip 0 1uF 50V Z US06510 219 Ceramic Capacitor F chip 0 1uF 50V Z US06510 C220 Ceramic Capacitor B chip 0 01uF 50V K US06410 C221 Electrolytic Cap chip 10uF 50V UF06710 224 Electroly...

Page 83: ...tor F chip 1 0uF 10V Z US12610 362 Ceramic Capacitor F chip 1 0uF 10V Z US12610 C363 Electrolytic Cap chip 10uF 50V UF06710 C364 Electrolytic Cap chip 10uF 50V UF06710 C821 Ceramic Capacitor F chip 0 1uF 50V Z US06510 831 Ceramic Capacitor F chip 0 1uF 50V Z US06510 CN005 P C B Connector HTSS 14P TE WN05930 CN006 Base Post PH 13P VT38940 CN007 Connector Base Post PH 11P TE VT38920 CN009 Connector ...

Page 84: ...RD35418 014 Carbon Resistor chip 18 1 16W J RD35418 R015 Metal Film Resistor chip 4 7K 1 16W D RF35647 018 Metal Film Resistor chip 4 7K 1 16W D RF35647 R019 Metal Film Resistor chip 10K 1 16W D RF35710 026 Metal Film Resistor chip 10K 1 16W D RF35710 R027 Metal Film Resistor chip 680 1 16W D RF35568 034 Metal Film Resistor chip 680 1 16W D RF35568 R035 Metal Film Resistor chip 100 1 16W D RF35510...

Page 85: ...W J RD35433 R215 Carbon Resistor chip 0 1 16W J RD35000 R216 Carbon Resistor chip 33 1 16W J RD35433 R217 Carbon Resistor chip 0 1 16W J RD35000 R218 Carbon Resistor chip 33 1 16W J RD35433 R219 Carbon Resistor chip 0 1 16W J RD35000 R220 Carbon Resistor chip 33 1 16W J RD35433 R221 Carbon Resistor chip 0 1 16W J RD35000 R222 Carbon Resistor chip 22 1 16W J RD35422 R223 Carbon Resistor chip 100 1 ...

Page 86: ...47 R354 Carbon Resistor chip 47 1 16W J RD35447 RA001 Resistor Array chip 22x4 J WG88990 RA002 Resistor Array chip 22x4 J WG88990 RA003 Resistor Array chip 33x4 J WG89030 008 Resistor Array chip 33x4 J WG89030 RA009 Resistor Array chip 150x4 J WG89190 RA010 Resistor Array chip 150x4 J WG89190 SW001 Jumper Switch CHS 01 TA1 V302690 TH001 Poly Switch MINI SMDC020F 2 VZ42850 TH002 Poly Switch MINI SM...

Page 87: ...stor chip 120 1 16W J RD35512 R801 Metal Oxide Film Resistor 2 2 3W J WK91630 804 Metal Oxide Film Resistor 2 2 3W J WK91630 R805 Metal Oxide Film Resistor 4 7 3W J FORMING WD40710 808 Metal Oxide Film Resistor 4 7 3W J FORMING WD40710 R809 Flame Proof C Resistor 4 7 1 4W J HV75347 812 Flame Proof C Resistor 4 7 1 4W J HV75347 R813 Carbon Resistor chip 33K 1 16W D RF45733 815 Carbon Resistor chip ...

Page 88: ...D Red chip SML 512UW PEAK CH2 WD11160 LD011 LED Red chip SML 512UW PEAK CH3 WD11160 LD012 LED Red chip SML 512UW PEAK CH4 WD11160 LD013 LED Green chip GREEN SML 512MW POWER WJ83350 LD014 LED Yellow chip YELLOW SML 512WW STANDBY WG96210 LD015 LED Red chip SML 512UW AMP PROTECT WD11160 LD016 LED White chip WHITE SMLE12WBC7W CH1 VOL 1 WK27910 LD017 LED White chip WHITE SMLE12WBC7W CH1 VOL 2 WK27910 L...

Page 89: ... 13 WK27910 LD077 LED White chip WHITE SMLE12WBC7W CH4 VOL 14 WK27910 LD078 LED Blue chip BLUE SMLE12BC7T CH4 VOL 15 WK15110 R001 Carbon Resistor chip 330 1 4W J RD15533 004 Carbon Resistor chip 330 1 4W J RD15533 R005 Carbon Resistor chip 10K 1 16W J RD35710 014 Carbon Resistor chip 10K 1 16W J RD35710 R015 Carbon Resistor chip 150 1 4W J RD15515 018 Carbon Resistor chip 150 1 4W J RD15515 R019 C...

Page 90: ...uF 250V J WJ45970 C442 Polypropylene Capacitor 3 3uF 250V J WJ45970 C443 Ceramic Capacitor Chip 2200pF 250V K WH15840 C444 Ceramic Capacitor Chip 2200pF 250V K WH15840 C445 Electrolytic Cap 47uF 35V WM44870 C446 Electrolytic Cap 47uF 35V UR85747 C447 Electrolytic Cap 10uF 50V UR86710 C448 Electrolytic Cap 100uF 35V UR85810 C449 Mylar Capacitor 0 01uF 50V J UA65410 C450 Monolithic Ceramic Cap 100pF...

Page 91: ...8 D E VU41860 Q416 Transistor 2SC3468 D E VU41860 Q417 Transistor 2SA1371 D E VU41840 Q418 Transistor chip 2SC3324 GR BL V742170 Q419 Transistor 2SA1371 D E VU41840 Q420 Transistor chip 2SC3324 GR BL V742170 Q421 Transistor 2SA1371 D E VU41840 Q422 Transistor 2SC3468 D E VU41860 Q423 Transistor chip 2SC3324 GR BL V742170 Q424 Transistor 2SA1371 D E VU41840 Q425 Transistor 2SC3468 D E VU41860 Q426 ...

Page 92: ...Resistor chip 390 1 16W D RF45539 R449 Carbon Resistor chip 15 1 16W D RF45415 R450 Carbon Resistor chip 1 8K 1 16W J RD35618 R451 Carbon Resistor chip 150 1 4W J RD15515 454 Carbon Resistor chip 150 1 4W J RD15515 R455 Carbon Resistor chip 470 1 4W J RD15547 458 Carbon Resistor chip 470 1 4W J RD15547 R459 Carbon Resistor chip 22K 1 4W J RD15722 471 Carbon Resistor chip 22K 1 4W J RD15722 R472 Ca...

Page 93: ... 2K 1 16W J RD35622 R555 Carbon Resistor chip 2 2K 1 16W J RD35622 R556 Carbon Resistor chip 22 1 16W J RD35422 R557 Carbon Resistor chip 150 1 16W J RD35515 R558 Carbon Resistor chip 150 1 16W J RD35515 R559 Carbon Resistor chip 1 0 1 4W J RD15310 R560 Carbon Resistor chip 1 0 1 4W J RD15310 R561 Wire Wound Resistor 0 1 5W K VZ37020 R562 Wire Wound Resistor 0 1 5W K VZ37020 R563 Carbon Resistor c...

Page 94: ...6830 Circuit Board PSANL U X8715D0 Circuit Board PSANL CHN X8715D0 Fuse Holder PIN WL 211 U WA77220 4 Fuse Clip CLIP EYF52BCY U WC05070 2 Fuse Clip CLIP EYF52BCY CHN WC05070 6 s C101 Capacitor 1 0uF 275V V936510 s C102 Capacitor 1 0uF 275V V936510 s C103 Electrolytic Cap 2200pF 250V WK46370 s C104 Electrolytic Cap 2200pF 250V WK46370 s C105 Capacitor 1 0uF 275V V936510 s C106 Electrolytic Cap 1000...

Page 95: ...r CH chip 22pF 50V J US06122 C314 Ceramic Capacitor B chip 0 01uF 50V K US06410 C315 Ceramic Capacitor B chip 0 01uF 50V K US06410 C316 Electrolytic Cap 2200uF 200V WD53830 319 Electrolytic Cap 2200uF 200V WD53830 C320 Electrolytic Cap 10uF 50V UR86710 C321 Electrolytic Cap 10uF 50V UR86710 C322 Electrolytic Cap 2200uF 200V WD53830 325 Electrolytic Cap 2200uF 200V WD53830 C326 Polypropylene Capaci...

Page 96: ...WA18030 D214 Diode chip SJPX H3 VR WK83420 D215 Diode chip 1 1A 200V D1FL20U VV46300 D216 Zener Diode 3 6V UDZS3 6B VU17150 D218 Diode chip RB160L 40 TE25 VS59760 D219 Diode chip RB160L 40 TE25 VS59760 D220 Diode DE3S6M WE49220 D221 Diode chip RB160L 40 TE25 VS59760 224 Diode chip RB160L 40 TE25 VS59760 D226 Diode chip RB160L 40 TE25 VS59760 D227 Diode 1SS244 TP WA18030 D301 Diode 1SS244 TP WA1803...

Page 97: ... Inductance 6 8uH WK03780 s PH201 Photo Coupler TLP421 GR V810050 s PH202 Photo Coupler TLP421 GR V810050 s PH301 Photo Coupler TLP421 GR V810050 s 303 Photo Coupler TLP421 GR V810050 Q201 Transistor 2SC2412K Q R S VV55640 Q202 Digital Transistor KRC102S RTK P WC43500 Q203 Digital Transistor KRC102S RTK P WC43500 Q204 Transistor 2SC2412K Q R S VV55640 Q206 Transistor 2SC2412K Q R S VV55640 Q207 Tr...

Page 98: ...p 100K 1 16W J RD35810 R228 Carbon Resistor chip 220K 1 16W J RD35822 R229 Carbon Resistor chip 220K 1 16W J RD35822 R230 Carbon Resistor chip 1 5K 1 16W J RD35615 R231 Carbon Resistor chip 220K 1 16W D RF45822 R232 Carbon Resistor chip 8 2K 1 16W D RF45682 R237 Carbon Resistor chip 3 3K 1 16W J RD35633 R240 Carbon Resistor chip 10K 1 16W D RF45710 R241 Carbon Resistor chip 10K 1 16W D RF45710 R24...

Page 99: ...RD35422 352 Carbon Resistor chip 22 1 16W J RD35422 R353 Carbon Resistor chip 1 2K 1 16W J RD35612 R354 Carbon Resistor chip 1 2K 1 16W J RD35612 R355 Carbon Resistor chip 4 7K 1 16W J RD35647 R356 Carbon Resistor chip 4 7K 1 16W J RD35647 R357 Wire Wound Resistor 0 1 5W K VZ37020 364 Wire Wound Resistor 0 1 5W K VZ37020 R365 Carbon Resistor chip 1 0 1 16W J RD35310 R366 Carbon Resistor chip 1 0 1...

Page 100: ...L CIRCUIT DIAGRAM CONTROL 1 6 9 2 6 10 3 6 11 4 6 12 5 6 13 6 6 14 INANL 15 OUTANL 16 OPT AN 17 PN AN 18 RS232 GPI 19 PAANL 20 PSANL 1 3 21 2 3 22 3 3 23 CONTENTS WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed ...

Page 101: ...ER DIODE 16V PSANL D329 331 UDZS15B VU17300 ZENER DIODE 15V PAANL D449 454 455 1SMB5951BT3G WK91200 ZENER DIODE 120V PSANL D206 1SMB5953BT3G WK91190 ZENER DIODE 150V PSANL D207 1SR154 400 VT53250 DIODE PSANL D201 D1F60 VS20110 DIODE PAANL D443 448 LD1117STR X8495A0 REGULATOR CONTROL IC024 NJM431U X6770A0 REGULATOR PSANL IC204 NJM7815FA XD853A0 REGULATOR 15V PSANL IC202 203 NJM78M09DL1A XZ940A0 REG...

Page 102: ...ND ADC FFC 30pin FFC 30pin FFC 40pin PH13P PH11P PH9P PH7P PH5P PH12P Safety earth screw F F F F F F F S S SAN13P PH11P W701 CN006 CN313 CN007 CN201 PH9P CN011 PH5P CN012 PH5P CN401 PH5P CN013 PH5P CN403 PH5P CN401 PH5P CN403 PH5P CN014 PH5P CN015 W401 SAN7P CN312 PH7P CN315 B Reference Point Of Grounding Voltage Sensors Current Sensors F SAN7P W401 B B B W402 W403 W404 W406 CN808 F CN807 B W405 C...

Page 103: ...TECT Status of Power Switch TEMP_PS_A 1 2 VOLTAGE_PS_A 1 2 Output Voltage data of Power Supply Units Temperature Signals of Power Supply Units CONTROL PAANL ANA OUT 1 4 Analog Audio Signals RELAY_PA1 1 4 Control Signals for Relays on Power Amplifier Units CONTROL OUTANL RELAY_OUT 1 4 Control Signals for Output Relays CONTROL PSANL RELAY_PS_A 1 2 Control Signals for Relays on Power Supply Unit SHUT...

Page 104: ...MER FAN CONTROL CIRCUIT PS VOLTAGE DETECT B B B B E 15V E E 15V E OUT RELLAY FAN L FAN R B B B B E 15V E E E 15V FAN CONTROL CIRCUIT PS VOLTAGE DETECT PHASE SHIFT SWITCHING SUB POWER SUPPLY 1 VOLTAGE SENCE SWITCHING CONTROLLER PSW DETECT 24 RUSH CURRENT PROTECTION RELAY RELAY DRIVE CIRCUIT RELAY RELAY DRIVE CIRCUIT 24 15VA 15VA 3 3VD FAN_CONTROL_1 FAN_CONTROL_2 VOLTAGE_PS_A2 RELAY_PS_A1 RELAY_PS_A...

Page 105: ...ne 5A AGND Voltage Amplifier Stage Protection Relay 5A AGND Temperature sensor 5A AGND POUT1 3 ANALOG AUDIO INPUTs 1 8dBu MAX Total Gain 37dB Power Out 38 3dBu Max 1 2 1 2 POUT1 OUTANL 24A_B 15A 15A AGND PGND1 PGND2 1 2 1 2 24A_A AGND 24A_A AGND POUT2 1 2 1 2 POUT3 1 2 1 2 Anti Oscillation Network Voltage Sensor Current Sensor 15V 15V 15V 15V Voltage Sensor 15V 15V Voltage Sensor 15V 15V Voltage S...

Page 106: ...SCLK LRCK MCLK SCLK LRCK MCLK SCLK LRCK RESET_SENSE RESET_SENSE RESET_SENSE RESET_SENSE 5A 3 3D A D 2ch PCM1803A A D 2ch PCM1803A A D 2ch PCM1803A A D 2ch PCM1803A RELAY_OUT 1 4 15A 15A SENSE_U1 SENSE_U2 SENSE_U3 SENSE_U4 SENSE_I1 SENSE_I2 SENSE_I3 SENSE_I4 See page 6 See page 4 ANA_IN1 ANA_IN2 ANA_IN3 ANA_IN4 ANA_OUT1 ANA_OUT2 ANA_OUT3 ANA_OUT4 TEMP_PA 1 4 CLIP_PA 1 4 RELAY_PA 1 4 Analog Volume 8...

Page 107: ...n Maximum Input Voltage 28 0dBu Sensitivity 10 0dBu MAXMUM LEVEL 38 8dBu 1 8dBu 5 8dBu 6 2dBu 7 5dBu 1 5dBu 4 0dBu 14 0dBu 14 0dB 12 5dB 5 5dB 6 0dB 0 4dB 4 0dB 96dB 0 25dB step Variable Gain Note The solid line shows the gain structure in the analog test mode of the test program mode The broken line shows an example in the setting that allows the maximum input signal level NXAMP4x1 LEVEL DIAGRAM ...

Page 108: ...0 See parts list for details of circuit board component parts Note P 14 I2 P 14 I2 P 14 I2 P 14 I1 P 13 B3 P 13 B7 P 10 K3 P 13 I6 P 10 B10 P 10 B8 P 10 B4 P 10 B4 P 10 K3 P 13 I6 P 14 C1 P 14 C3 P 14 C4 P 14 C5 P 10 P3 P 10 P2 P 10 P4 P 10 P4 P 10 P8 P 10 P7 P 10 P10 P 10 P9 CIRCUIT DIAGRAM 1 15 CONTROL 1 6 ...

Page 109: ...ist for details of circuit board component parts XX Not installed Note P 9 H5 P 9 H6 P 9 H4 P 9 H5 P 9 H3 P 9 H4 P 9 H2 P 9 H3 P 11 O2 P 11 O8 P 9 M8 P 9 M9 P 9 M10 P 9 M10 P 12 J1 P 13 G11 P 11 B1 P 12 J1 P 13 G12 P 11 B1 P 12 J1 P 13 G11 P 11 O3 P 11 O3 P 13 B3 P 9 M7 P 13 I6 P 9 M7 P 13 I6 CIRCUIT DIAGRAM 2 15 CONTROL 2 6 ...

Page 110: ...X Not installed Note Not installed P 14 C10 P 10 K8 P 10 K2 P 10 K2 P 14 C10 P 14 C5 P 14 C4 P 14 C3 P 14 C2 P 10 K8 P 13 D3 P 13 I9 P 13 L9 P 13 L9 P 13 I8 P 13 D3 P 10 K2 P 12 J1 P 13 G11 P 10 K2 P 12 J1 P 13 G12 P 12 E5 P 12 E3 P 12 E9 P 12 E7 P 13 D3 P 13 I9 P 13 N9 P 14 C8 P 13 N9 P 14 C9 P 13 O7 P 14 C9 P 13 L9 P 13 D3 P 13 I9 P 13 L9 CIRCUIT DIAGRAM 3 15 CONTROL 3 6 ...

Page 111: ...22127 40 1 See parts list for details of circuit board component parts XX Not installed Note P 13 D7 P 11 B2 P 11 B2 P 11 B2 P 11 B2 P 14 C6 P 14 C6 P 14 C6 P 14 C6 P 14 C7 P 14 C7 P 14 C7 P 14 C7 P 13 B3 P 10 K2 P 11 B1 P 13 G12 P 10 K2 P 13 G11 P 10 K2 P 11 B1 P 13 G11 CIRCUIT DIAGRAM 4 15 CONTROL 4 6 ...

Page 112: ... P 11 B9 P 11 I9 P 11 B4 P 11 I4 P 14 C10 P 14 N9 P 14 N8 P 14 N7 P 14 N6 P 12 J1 P 9 M7 P 10 K3 P 14 C2 P 14 C3 P 14 C4 P 14 C5 P 14 H3 P 14 F5 P 14 F5 P 14 F5 P 14 H3 P 14 H3 P 14 H8 P 14 K10 P 14 K10 P 14 K9 P 14 K9 P 11 B4 P 14 C9 P 14 C9 P 14 K10 P 14 C9 P 14 K9 P 11 B4 P 14 C8 P 11 B4 P 14 C9 P 14 K10 P 14 K9 P 14 H4 P 14 C11 P 12 E2 P 14 H4 P 14 N3 P 14 H3 P 14 F6 P 14 K9 P 14 K9 P 11 I3 P ...

Page 113: ...1 O3 P 13 B4 P 13 H2 P 13 D4 P 13 D5 P 13 E6 P 11 O2 P 13 J11 P 13 O5 P 13 N9 P 13 N8 P 11 B4 P 13 O7 P 11 B4 P 13 N9 P 13 I10 P 13 D7 P 13 F5 P 13 I4 P 13 D7 P 13 L4 P 13 H2 P 13 D4 P 13 B5 P 13 F5 P 13 I4 P 9 M6 P 9 M5 P 9 M4 P 13 E3 P 13 O7 P 13 L4 P 13 F4 P 13 O5 P 13 O6 P 13 N8 P 13 L4 P 13 P9 P 13 F6 P 13 B10 P 13 B11 to INANL_W701 P 15 D2 to PSANL_CN201 P 22 A3 to PSANL_CN313 P 23 B6 to PAA...

Page 114: ...NXAMP4x1 NXAMP4x1 15 NXAMP4x1 B C D E F G H A 2 3 4 5 6 1 28CC1 2001022114 10 to CONTROL_CN006 P 14 J2 See parts list for details of circuit board component parts Note CIRCUIT DIAGRAM 7 15 INANL ...

Page 115: ...ils of circuit board component parts Note Not installed Not installed Not installed Not installed Not installed to CONTROL_CN016 P 14 C7 to PSANL_CN306 P 23 B2 CN306 CN306 to PSANL_CN317 P 23 B7 to PSANL_CN202 P 22 A5 to PAANL_W405 P 20 H1 to PAANL_W406 P 20 G11 to PAANL_W405 P 20 H1 to PAANL_W406 P 20 G11 CIRCUIT DIAGRAM 8 15 OUTANL ...

Page 116: ...XAMP4x1 B C D E F G H I J K L M N O P Q A 2 3 4 5 6 7 8 9 10 11 12 1 28CC1 2001022128 10 1 to CONTROL_CN009 P 14 J9 See parts list for details of circuit board component parts XX Not installed Note CIRCUIT DIAGRAM 9 15 PN AN ...

Page 117: ...x1 18 NXAMP4x1 NXAMP4x1 B A C D E F G H I J K L 2 1 3 4 5 6 7 8 28CC1 2001022128 20 1 See parts list for details of circuit board component parts Note to CONTROL_CN010 P 14 H9 CIRCUIT DIAGRAM 10 15 RS232 GPI ...

Page 118: ...MP4x1 NXAMP4x1 19 NXAMP4x1 B A C D E F G H I J K L 2 1 3 4 5 6 7 8 28CC1 2001022128 30 to CONTROL_CN017 P 14 C9 Note See parts list for details of circuit board component parts CIRCUIT DIAGRAM 11 15 OPT AN ...

Page 119: ...4 C1 to CONTROL_CN013 P 14 C3 to CONTROL_CN014 P 14 C4 to CONTROL_CN015 P 14 C5 to PSANL_CN312 P 23 B4 to PSANL_CN307 P 23 B3 to PSANL_CN310 P 23 B7 to PSANL_CN316 P 23 B2 to PSANL_CN309 P 23 B7 to PSANL_CN305 P 23 B2 to PSANL_CN308 P 23 B7 to OUTANL_CN807 P 16 P7 to OUTANL_CN806 P 16 P5 to OUTANL_CN808 P 16 P10 to OUTANL_CN805 P 16 P3 to PSANL_CN315 P 23 B9 CN316 CN315 CIRCUIT DIAGRAM 12 15 PAANL...

Page 120: ... 2 3 4 5 6 7 8 1 28CC1 2001022145 1 3 Primary Secondary Chinese model only Chinese model only See parts list for details of circuit board component parts Note P 23 P7 P 22 L3 P 22 A2 P 22 A2 P 22 A1 P 23 P2 P 22 L4 P 23 P4 CIRCUIT DIAGRAM 13 15 PSANL 1 3 ...

Page 121: ... Not installed Not installed Not installed Not installed See parts list for details of circuit board component parts Note P 23 P4 P 23 P5 P 23 P9 P 23 P10 P 21 B2 P 21 B6 P 23 E5 P 23 B11 P 23 B6 P 23 B6 P 23 B8 P 21 D3 P 21 D4 P 23 B5 P 23 B9 P 23 B4 P 23 C3 to CONTROL_CN011 P 14 G2 to OUTANL_W801 P 16 O2 CIRCUIT DIAGRAM 14 15 PSANL 2 3 ...

Page 122: ... Secondary 2200 200 LQ 2200 200 LQ 2200 200 LQ 2200 200 LQ 1 8 250 PP 1 8 250 PP 2200 200 LQ 2200 200 LQ 2200 200 LQ 2200 200 LQ 1 8 250 PP 1 8 250 PP 1200 160 KMM 1200 160 KMM 1200 160 KMM 1200 160 KMM 1200 160 KMM 1200 160 KMM 1200 160 KMM 1200 160 KMM ANL ANL ANL ANL ANL ANL ANL ANL XX Not installed See parts list for details of circuit board component parts Note U S A model only Chinese model ...

Page 123: ...PA 011884 ...

Search results

Summary of Contents for NXAMP4X1

Reviews:

Related manuals for NXAMP4X1

Brands by name

Popular brands

Nexo NXAMP4X1, Service Manual

Search results

Summary of Contents for NXAMP4X1

Reviews:

Related manuals for NXAMP4X1

Brands by name

Popular brands