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NAD

SERVICE MANUAL

187

T 187

AV Surround Sound Preamp Processor

AV Surround Sound Preamp

Processor

DRAFT DATE: MAY 2012

Содержание T 187

Страница 1: ...NAD SERVICE MANUAL T 1 8 7 T 187 AV Surround Sound Preamp Processor AV Surround Sound Preamp Processor DRAFT DATE MAY 2012...

Страница 2: ...2 SAFETY INFORMATION HDMI the HDMI logo and High Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC DFDF...

Страница 3: ...1601100006 902000 FUSE TIME LAG 800MA 250VAC 5X20MM TSD UL CSA VDE CCC WALTER ROHS F8401 1601100005 902000 FUSE 5 20MM TIME LAG 500MA 250VAC TSD UL CSA VDE CCC ROHS WALTER TSD500MA250V NOTE AH USA CA...

Страница 4: ...ref Track 30 1 2 dB Frequency Resporse at Dolby config 2 SL Track 46 200 20 kHz 0 8 dB SR Track 47 200 20 kHz 0 8 dB C Track 44 200 20 kHz 0 8 dB Harmonic Distortion 1 V Audio LPF Dolby Config 1 FL T...

Страница 5: ...ise Subwoofer out DVD input 1V 20 20kHz 67 dB L only maximum volume 12dB Enhanced A WTD 72 dB Stereo 1 mode 1V Preout output reference AM TUNER SECTION Input level is expressed as the reading in open...

Страница 6: ...Sensitivity On 24 dB 24 dB Off 15 dB 15 dB RDS decode Sensitivity 33 dB Output level 98 1 MHz 600 100 mV 600 100 mV PHYSICAL SPECIFICATIONS Dimensions Width x Height x Depth 435 x 150 x 385 mm Gross N...

Страница 7: ...T INPUT MP 17 FRONT INPUT PORTS 18 FRONT MP MIC INPUT NAD T187 NAD T 187 AV Surround Sound Preamp Processor T 187 a SOURCE s VOLUME MEMORY s a d f INFO DELETE AM FM DB TUNER MODE LISTEN MODE TONE TONE...

Страница 8: ...cs from the side panels Remove tapping screw 3 0 x 8 0 x 3pcs from the back panel Refer to Figure No 1 2 Pull both sides of the TOP COVER slightly outwards and tilt approx 35 and then remove in the di...

Страница 9: ...9 WIRING DIAGRAM...

Страница 10: ...L 310 ROHS CONN 1 J9006A 12 06001000147 902000 CABLE ASSY UL2854 1533 AWG26 5PIN 2 5P CONN 1 L 230 320 ROHS J9004A J9005A 13 0600100158 902000 CABLE ASSY UL2854 AWG26 3PIN 2 5P L 230mm CONN 1 ROHS J9...

Страница 11: ...11 BLOCK DIAGRAM...

Страница 12: ...takes effect XM 1kHz Test Tone Tuner Band Tuner Mode XM must be selected first XM Signal Strength Tuner Mode for 0 5 seconds XM must be selected first XM Diagnostics Mode Tuner Mode for 3 seconds XM...

Страница 13: ...13 DETAILS WAVEFORMS ON SYSTEM TEST DEBUGGING T187...

Страница 14: ...14...

Страница 15: ...15...

Страница 16: ...16...

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Страница 18: ...18...

Страница 19: ...19...

Страница 20: ...20 PCB LAYOUT MAIN BOARD COMPONENT SIDE...

Страница 21: ...21 MAIN BOARD SOLDER SIDE...

Страница 22: ...22 KEY BOARD PHONE BOARD COMPONENT SIDE...

Страница 23: ...23 KEY BOARD PHONE BOARD SOLDER SIDE...

Страница 24: ...24 CONNECTION BOARD COMPONENT SIDE...

Страница 25: ...25 CONNECTION BOARD SOLDER SIDE...

Страница 26: ...26 PRE OUT BOARD COMPONENT SIDE...

Страница 27: ...27 PRE OUT BOARD SOLDER SIDE...

Страница 28: ...28 VOLUME BOARD COMPONENT SIDE...

Страница 29: ...29 VOLUME BOARD SOLDER SIDE...

Страница 30: ...30 VM150AV ANALOG VIDEO BOARD COMPONENT SIDE...

Страница 31: ...31 VM150AV ANALOG VIDEO BOARD LAYER 2...

Страница 32: ...32 VM150AV ANALOG VIDEO BOARD LAYER 3...

Страница 33: ...33 VM150AV ANALOG VIDEO BOARD SOLDER SIDE...

Страница 34: ...34 PSU STD BOARD COMPONENT SIDE PSU STD BOARD SOLDER SIDE...

Страница 35: ...35 PSU MDC BOARD COMPONENT SIDE PSU MDC BOARD SOLDER SIDE...

Страница 36: ...36 TRIGGER BOARD COMPONENT SIDE FRONT INPUT BOARD COMPONENT SIDE TRIGGER BOARD SOLDER SIDE FRONT INPUT BOARD SOLDER SIDE...

Страница 37: ...37 FRONT HDMI BOARD COMPONENT SIDE FRONT HDMI BOARD LAYER 2 FRONT HDMI BOARD LAYER 3 FRONT HDMI BOARD SOLDER SIDE...

Страница 38: ...TO CONN 1 J2007B R2024 0 22 1 2W_ MO R2026 0 22 1 2W_ MO R2029 0 22 1 2W_ MO R2030 0 22 1 2W_ MO C2034 0 1u_ M 63V C2035 0 1u_ M 63V C2036 0 1u_ M 63V C2037 0 1u_ M 63V C2038 0 1u_ M 63V R2025 0 22 1...

Страница 39: ...1u R2002 10k 1 PW 2 GND 3 4 5 VCC U2006 AME8530 1 2 J2012A FAILSAFE C2053 22u 16V R2001 100k C2077 N I 10u 16V C2078 N I 0 1u 1 GND 2 IN2 3 IN3 4 EN 5 OUT5 6 OUT6 7 OUT7 8 OUT8 U2020 N I TPS2011A DGND...

Страница 40: ...OWN 1 2 S2206 LEFT 1 2 S2205 UP 1 2 S2218 FRONT INPUT MP 1 2 S2217 TONE DEFEAT 1 2 S2210 ENTER 1 2 S2209 POWER ON 1 2 S2214 SOURCE DOWN 1 2 S2213 SOURCE UP 1 2 S2215 LISTENING MODE 1 STROBE 2 DATA 3 C...

Страница 41: ...R PO_SUBW PO_CEN DGND MUTE_POWER 12V_A 12V_A GND_7 1 GND_7 1 PO_FL GND_7 1 PO_FR GND_7 1 PO_SL GND_7 1 PO_SR GND_7 1 PO_SBL GND_7 1 PO_SBR GND_7 1 PO_SUBW GND_7 1 PO_CEN GND_7 1 DSP_FL DSP_FR GND_DSP...

Страница 42: ...0 C6711 22u 16V R6714 N I R6715 0 C6710 N I 50V 3 2 1 U6701 A NJM5532M C6709 220p 50V R6713 47k C6708 10u 16V C6704 22u 16V R6703 N I R6704 0 C6703 N I 50V 5 6 7 U6701 B NJM5532M C6702 220p 50V R6702...

Страница 43: ...I 50V C6727 N I 50V R6741 4 7k 1 16W C6726 N I 50V R6738 4 7k 1 16W R6747 1M 1 16W R6739 470 1 16W Q6709 2SC4695 R6742 100k 1 16W Q6708 2SC4695 R6740 470 1 16W C6728 22u 16V R6743 100k 1 16W R6744 22...

Страница 44: ...1u 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 J6001A To Conn 1 J6001B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18...

Страница 45: ...11 NC11 12 NC12 13 NC13 14 NC14 15 NC15 16 RIN 17 RIN 18 RVCC 19 ROUT 20 RVCC U6008 TPA6120A2 C6139 0 1u 50V C6137 47u 16V C6140 47u 16V C6141 0 1u 50V R6095 10 R6096 47 R6100 10 R6099 47 8 4 U6013 C...

Страница 46: ...008 6 8u 400V C8007 6 8u 400V L8002 1mH 1 2 3 4 L8001 10mH D8004 1N4007 D8005 1N4007 D8002 1N4007 D8003 1N4007 D8001 1N4007 R8001 3 9k M8002 A M8001 TO XFORMER R8002 47k C8001 1000p_ M 63V Q8001 2SC18...

Страница 47: ...20A 170V C8419 4700uF 25V C8426 1000uF 25V 1 2 L8402 8RHB2 7 5uH R8438 47k C8416 0 1uF 50V C8427 0 1uF 50V R8415 499R 1 16W R8414 499R 1 16W D8407 MMSZ5240 10V1 2W C8422 0 1uF 50V R8413 1 5K 1 16W R84...

Страница 48: ...C U2303 SN74HC86DT C2314 10u 16V C2315 0 1u 50V R2341 15k C2316 10u 16V C2317 100p 50V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 J2301A To Conn 2 J2301B R2340 N I R2339 0 R2...

Страница 49: ...C9321 22u 16V C9320 22u 16V R9330 33k R9331 33k 1 2 3 M9302 J TR ST03007 C9322 33p C9323 0 1uF C9324 0 1uF C9318 100p C9319 100p R9332 33k C9325 1u R9333 1k R9329 0 1 2 3 4 5 6 J2006B To MCU J2006A 1...

Страница 50: ...ET 24 SYNC U4103 ADG714 C4134 0 1u 50V C4133 47u 50V C4137 10u 16V R4124 470k 1 MUTE 2 INA 3 GNDA 4 INB 5 GNDB 6 7 INC 8 GND 9 OUTC2 10 OUTC1 11 12 OUTB2 13 OUTB1 14 OUTA2 15 OUTA1 16 VCC U4104 IC BA7...

Страница 51: ...51 HEADPHONE BOARD 1 2 3 4 5 7 8 M9308 1 2 3 4 5 J2008B To MCU J2008A 1 2 C9310 1000p 1 2 C9311 1000p J9301 DGND DGND AGND AGND AGND HP_R AGND HP_L HP_DET DGND...

Страница 52: ...DIODE BRIDGE RS605 6A 600V SMD CAPACITORS C2002 2003 C2006 C2009 2010 1231001104 902000 CAP SMD CER 0 1UF 20 50V 0603 C2015 2016 C2018 C2021 C2023 Y5V C2028 C2030 C2033 C2043 C2046 2047 C2050 C2052 C2...

Страница 53: ...3 LDO VREG 3 3V 1A U2017 U2018 1300174145 902000 IC SN74LVC1T45 SMD SOT 23 SINGLE BIT DUAL SUPPLY VOLTAGE TRANS LATION U2019 1300004050 902001 IC 74HC4050 SO16 HEX HIGH TO LOW LEVEL SHIFTER CRYSTAL X2...

Страница 54: ...000 FUSE 5 20MM TIME LAG 800mA 250V UL VDE CUL F8003 CE 1601100005 902000 FUSE 5 20MM TIME LAG 500mA UL VDE CUL INDUCTORS L8001 1500100004 902000 INDUCTOR CHOKE 10MH 30 L8002 1500100055 902000 INDUCTO...

Страница 55: ...00007809 902001 IC NJM7809A TO220F ROHS JRC NJM7809A U910 1300100317 902000 IC LM317T TO 220 VREG ADJ 1 2 37V 1 5A ROHS ST LM317T U905 1300107805 902000 IC NJM7805FA TO 220F REG 5V 1 5A ROHS JRC NJM78...

Страница 56: ...8MM C6082 C6083 C6085 1231001103 902000 CAP SMD CER 0 01UF 10 50V 0603 X7R C6086 C6087 C6088 C6089 C6090 C6091 C6092 C6093 C6104 C6105 C6106 C6107 C6108 C6109 C6110 C6111 C6120 C6137 C6140 C6223 C622...

Страница 57: ...7 R6108 R6111 R6112 R6113 R6114 R6115 R6116 R6161 R6162 R6262 R6006 R6007 R6018 R6019 R6030 1160214701 902000 RES SMD 0603 1 16W 5 4 7K R6031 R6042 R6043 R6054 R6055 R6066 R6067 R6079 R6080 R6085 R608...

Страница 58: ...ONE CTRL U6004 U6005 U6006 U6007 U6018 1300105532 902000 IC NJM5532M SMD DMP8 AUDIO LOW NOISE OP AMP U6008 1300161202 902000 IC TPA6120A2DWP SMD 20 PIN SOIC HIGH FIDELITY HEADPHONE AMPLIIER PCB ASSY 9...

Страница 59: ...ASSY 90ST187TRIGAH 902 T187 SP AH TRIGGER BOARD ASSY 90ST187TRIGCE 902 T187 SP CE TRIGGER BOARD ASSY CAPACITOR C2314 C2316 C2325 C2328 C2329 AH 1220005106 902000 CAP RAD ELEC 10UF 20 16V P 2 5MM 4 7MM...

Страница 60: ...02 902000 RES SMD 0603 1 16W 5 33K R2310 1160211003 902000 RES SMD 0603 1 16W 5 100K R2311 R2312 R2314 R2315 R2317 R2318 1194210339 902000 RES SMD 2512 1W 5 3 3R R2320 R2321 1160210470 902000 RES SMD...

Страница 61: ...250VAC P 7 5MM JY UL CSA VDE C8405 1227003222 902000 CAP RAD CER Y1 X1 2200PF 20 440VAC P 10MM JN UL CSA VDE C8406 1220011107 902000 CAP RAD ELEC 100UF 20 400V P 7 5MM 18 30MM 105 C C8408 1223001102...

Страница 62: ...CER 0 018UF 10 50V 0603 X7R C8423 1231002101 902000 CAP SMD CER 100PF 10 50V 0603 NPO C8424 1231002221 902000 CAP SMD CER 220PF 5 100V 0603 NPO DIODES D8401 D8402 D8406 1400101603 902000 DIODE ULTRAFA...

Страница 63: ...3 X7R C4120 C4122 C4124 1290006227 902000 CAP ELEC SMD 220UF 20 16V 6 3X7 7MM C4125 C4127 C4129 C4131 C4133 1290003476 902000 CAP SMD ELEC 47UF 20 50V C4135 C4140 C4145 6 3 7 7MM C4126 C4128 C4130 C41...

Страница 64: ...10_0 AN0 P10_1 AN1 P10_2 AN2 P10_3 AN3 P9_5 ANEX0 CLK4 P9_6 ANEX1 SOUT4 P9_7 ADTRG SIN4 P10_7 AN7 KI3 P10_6 AN6 KI2 P10_5 AN5 KI1 P10_4 AN4 KI0 M16C 64A Group PLQP0100KB A 100P6Q A top view P1_3 TXD6...

Страница 65: ...WP SCL SDA A2 A1 A0 GND 1 2 3 4 8 7 6 5 MAIN U2002 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1Y 2A 2B 2Y GND VCC 4B 4A 4Y 3B 3A 3Y MAIN U2005 AME8530 1 Reset ResetB 2 GND 3 ResetB Reset NC 4 MRB 5 VDD 1...

Страница 66: ...2 307 855 27 2 5 735 537 7 32 51 0 537 7 32 5 6 66 0 1 27 5535 140 5 87487 MAIN U2008 U2010 U2011 VOLTAGE REFERENCE PROTECTION CIRCUITRY R1 R2 Rsc GND I1 I2 Out In Q1 Q2 Output Input Pin 1 Pin 2 Pin 3...

Страница 67: ...67 MAIN U2016 B DIR 5 4 A 3 MAIN U2017 U2018 MAIN U2019...

Страница 68: ...CP CP Q FF 0 D CP Q LATCH 0 D CP Q FF 7 D CP Q LATCH 7 D CP Q STAGES 1 TO 6 STAGE 0 STAGE 7 QP2 QP0 D QS2 QS1 CP Q LATCH QP1 QP4 QP3 QP6 QP5 QP7 STR OE KEYBOARD U2201 STR VDD D OE CP QP4 QP0 QP5 QP1...

Страница 69: ...Q6801 6804 Q6505 Q6605 Q6705 Q6805 Q6905 Q6511 Q6512 Q6611 Q6612 Q6711 Q6712 Q6811 Q6812 Q6911 Q6912 PRE OUT U6501 U6601 U6701 U6801 VOLUME Q6005 6016 Q6021 6024 Q6026 6027 Q6017 6020 Q6025 Q6028 603...

Страница 70: ...R6 INL7 INR7 INL8 INR8 INLA RECL1 INRA RECR1 INL9 INR9 AVEE SUBR SUBL MONO INR10 RECR4 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 64 63...

Страница 71: ...Q8001 SOURCE S LEADING EDGE BLANKING DRAIN D BYPASS BP FEEDBACK FB SOURCE S FB OUT Reset 6 V 5 V tSAMPLE OUT VILIMIT ILIM VTH VILIMIT 6 5 V Drive ILIM DCMAX tSAMPLE OUT DCMAX FB Current Limit Compara...

Страница 72: ...13V R STATUS 13 8V 400 mV REF Q Q SET CLR D REF GAIN 1 2 5 Modulation Comparison VDD UCC28600 Fault Logic LINE_OVP LOAD_OVP REF_OK RUN UVLO CS OVR_T STATUS SS_DIS Green Mode FB_CLAMP OSC_CL FB QR Dete...

Страница 73: ...73 PSU MDC U8403 TRIGGER Q2301 Q2303 Q2305 Q2307 Q2308 Q2310 Q2312 Q2314 Q2316 Q2317 Q2318 Q2319 Q2321 Q2302 Q2304 Q2306 Q2320 UDLQ 6RXUFH DWH TRIGGER Q2309 Q2311 Q2313 TRIGGER U2301...

Страница 74: ...OUT OUT OUT OUT TRIGGER U2302 OUT IN EN GND Current Limit Driver UVLO Charge Pump CS Thermal Sense Power Switch Current Sense 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1Y 2A 2B 2Y GND VCC 4B 4A 4Y 3B 3A...

Страница 75: ...75 F INPUT Q9301 Q9302 Q9303 Q9304 Q9305 F INPUT U9301 A A A A A A A A F HDMI U9401...

Страница 76: ...76a EXPLODED VIEW...

Страница 77: ...76b 90ST187AHFP00 902 T187 AH SP FASCIA ASSY XM LOGO GRAPHITE 90ST187CEFP00 902 T187 CE SP FASCIA ASSY GRAPHITE...

Страница 78: ...02000 SCREW M4 X 8MM TAPTITE C H TYPE B BLK ROHS 1 22 0330100114 902000 L SHAPE BRACKET SINGLE M3 THREAD ROHS 1 23 1840001003 902000 PCB CARD GUIDE ROHS KANG YANG CG 250 12 24 0330100060 902000 PCB GU...

Страница 79: ...ERX2 ISS1 ROHS ARROW AT4 531 0100 2 61 0335100029 902010 BOTTOM CHASSIS R 1 ROHS T175 1 62 1820651001 902000 WASHER SPRING I D 6 5XO D10 5X2 0MM THK NI ROHS 1 63 1800301013 902000 SCREW M3 X 6MM M C W...

Страница 80: ...T187 AH KEYBOARD ROHS 1 85 657T787AH0000 902 PCB MI ASSY T787 AH HEADPHONE BOARD ROHS 1 86 0330100099 902000 SIDE CAP LEFT ALU GRAPHITE ROHS T187 1 87 0216100002 902000 FOAM 100X7X8MM BLACK UL GRADE...

Страница 81: ...1 IS 14 7 0761000001 902000 NEW MICROPHONE SET WITH PACKING ROHS 1 AUDYSSEY ACM1H 8 0531000005 902000 POLYBAG 05HDPE MANUAL 230 X 330MM 1 W WARNING ROHS 9 0811000010 902000 CD OWNER S MANUAL ROHS T187...

Страница 82: ...standby PSU board Model SO Serial No PCB version T187 90200384 K1YT187G01001 K1YT187G01100 0201100127 902010 Issue 011 90200386 K1YT187G01101 K1YT187G01200 The purpose is to make the MCU to detect pow...

Страница 83: ...trigger PCB version is 0201100127 902010 Issue 011 Model SO Serial No PCB version T187 90200384 K1YT187G01001 K1YT187G01100 0201100127 902010 Issue 011 90200386 K1YT187G01101 K1YT187G01200 Schematic...

Страница 84: ...6DT C2314 10u 16V C2315 0 1u 50V R2341 15k C2316 10u 16V C2317 100p 50V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 J2301A To Conn 2 J2301B R2340 N I R2339 0 R2329 N I E C B Q...

Страница 85: ...84 TRIGGER BOARD COMPONENT SIDE TRIGGER BOARD SOLDER SIDE Appendix 2...

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