Nakamichi-NBF83S-sub-sm 电路图 维修手册.pdf

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1、8” Active Aluminum Subwoofer NBF83ANBF83ANBF83A RadioFans.CN 收音机爱 好者资料库 Contents 1 1. Specifications 2. Sch Block Diagram 3. Schematic Diagram 4. Amplifier PCB Control PCB Power PCB 5. Packaging Exploded Drawing 6. Mechanical Exploded View 2 3 4,5 6,7,8,9 10,11,12 13 14 RadioFans.CN 收音机爱 好者资料库 2 P.W

2、.M Mosfet Power Supply. RCA Input/High Level Input. Remote Control for Subwoofer Level. Phase inverter :0 or 180degree. Adjustable Input Sensitivity. Bass Booster:12dB80Hz. Sub Sonic Filter:20Hz(fixed). LPF Filter:50-150Hz. Power: Subwoofer150W2ohm+2x50W4ohm RMS Auto Turn On:On/Off. Soft Delayed Rem

3、ote Turn on. Protection Circuit:Thermal Protection Circuit. Short Protection Circuit. Over Load Protection Circuit. Passive Radiator:185x52mm (2pcs). Silm Woofer:8inch 2ohm. Dimension:L345xW250 xH80mm. Specifications RadioFans.CN 收音机爱 好者资料库 Sch Block Diagram 3 1243 A B C D 4321 D C B A Title no i s

4、i veRr ebmuNSize A4 fo t eehS 5102- ceD-8: e t aD File:E:ZHONGZCC2SCHCARCAR WOOFERNAKAMICHINBF83A NBF103A.DDBDrawn By: NBF83A /NBF103A SCH BLOCK DIAGRAM 6.0 1 2 3 VR1A A50K 4 5 6 VR1B A50K LOW LEVEL INPUT HI LEVEL INPUT OP LOW LEVEL INPUT HI LEVEL INPUT OP L-CH R-CH GAIN GAIN AUTO POWER ON/OFF AUTO

5、POWER ON/OFF REMOTE CONTROL SUBSONIC 20HZ BASS BOOSTER 0-+12dB PHASE SHIFT 0 or 180DEG LEVEL LIMIT LPF 50-150HZ SUB1 SUBWOOFER AMPLIFIER POWER SUPPLY -VCCSGNDDEL i hc imakaNCCV+-15V+15V +12VDC -(GND) Remote Battery SHORT PRT OVER TEM PRT OVERLOAD PRT CONTROL CONTROL SUBSONIC 30HZ BASS BOOSTER +6dB/1

6、00Hz AMPLIFIER OP SUBSONIC 30HZ BASS BOOSTER +6dB/100Hz AMPLIFIER 1 2 3 VR2A A50K OP GAIN CONTROL GAIN CONTROL 4 5 6 VR2B A50K L-CH OUT R-CH OUT 12345687 A B C D 87654321 D C B A Title no i s i veRr ebmuNSize A3 fo t eehS 5102- ceD-8: e t aD File:E:ZHONGZCC2SCHCARCAR WOOFERNAKAMICHINBF83A NBF103A.DD

7、BDrawn By: 1 - 2 + 3 + 84 IC5A JRC4558D 7 - 6 + 5 IC4B JRC4558D 1 - 2 + 3 + 84 IC6A JRC4558D 1 - 2 + 3 + 84 IC4A JRC4558D 7 - 6 + 5 IC6B JRC4558D 7 - 6 + 5 IC5B JRC4558D C100 10UF/50V C200 10UF/50V C203 471C 1 2 3 VR2A A50K 4 5 6 VR2B A50K C304 154P C305 154P C306 224P C307 224P C308 224P 4 5 6 VR3B

8、 C50K 1 2 3 VR3A C50K C310 683P C309 154P C302 472C C303 472C C312 100UF/25V C313 100UF/25V L-CH R-CH HI INPUT LCH+ HI INPUT RCH+ LOW INPUT SUB SONIC 20Hz BASS BOOST 12dB 80Hz LPF 50-150Hz 0Degree 180Degree 1 2 3 4 RCA1 AV2-8.4-20B 1.3 D300 1N4148 D302 1N4148 D301 1N4148 D303 1N4148 +15V -15V 1 2 3

9、SW1A PS-22E09L -15V +15V -15V +15V +15V -15V R312 27K +15V REMOTE 1/2 2 ZCC 1 2 3 4 5 6 CON4 6PIN NBF83A FRONT SCH LED2 RED LED1 GREEN AUTO ON OFF D100 1N60P D200 1N60P C315 224P 1 2 3 SW2A PS-22E09L + 1 R 2 - 3 TER1 JSZ3B-32 21 F1 BXS-06 1P2 RMT 1P3 B- 1P1 B+ NAKAMICHI R323 4.7 C202 220UF/16V C102

10、220UF/16V 1 - 2 + 3 + 84 IC1A JRC4558D 7 - 6 + 5 IC1B JRC4558D 1 2 3 VR1A A50K 4 5 6 VR1B A50K R103 2.2K R111 6.8K R106 6.2K R107 22K R105 1.8K R2116.8K R207 22K R205 1.8K R206 6.2K R203 2.2K C107 104C C108 224C C104 101C C209 104C C207 104C C204 101C R300 2.2K R301 2.2K R319 10K 1 1HICON1A 8PIN 2 2

11、HICON1B 8PIN 3 3HICON1C 8PIN 4 4HICON1D 8PIN 5 5 HICON1E 8PIN 6 6HICON1F 8PIN 7 7 HICON1G 8PIN 8 8HICON1H 8PINHI INPUT LCH- HI INPUT RCH- 1 2 3 4 CON2 4PIN L SP + L SP - R SP - R SP + 1 2 3 4 5 6 7 8 9 10 CON1 10PIN +15V -15V C311 104C C314 104C 1 - 2 + 3 + 84 IC2A JRC4558D 7 - 6 + 5 IC2B JRC4558D C

12、208 224C R212 14K R213 14K R215 8.2KR214 3.6K R114 3.6K R113 14K R112 14K R115 8.2K C109 104C LR R200 100/0.5W R201 100/0.5W R101 100/0.5W R100 100/0.5W R202 12K R104 47K R303 47K R102 12K R302 47K R204 47K C300 471PF C103 471PF C301 471PF L-CH R-CH R305 1.8K R308 4.3K R309 47K R311 1K R306 4.3K R30

13、4 1.8K R307 47K R310 1K R313 82K R314 82K R315 10K R316 10K R317 10K R321 10K R320 10K R322 10K R324 12K R325 43K R326 43K R327 12K R328 2.2K +15V -15V R318 4.7 C101 10UF/50V C201 10UF/50V 100HZ/6dB100HZ/6dB 1 - 2 + 3 + 84 IC3A JRC4558D 7 - 6 + 5 IC3B JRC4558D C105 154P C106 154P C206 154PC205 154P

14、R108 56K R109 68K R110 10K R209 68K R210 10K R208 56K +15V -15V HPF 30Hz HPF 30Hz 4 Schematic Diagram 12345687 A B C D 87654321 D C B A Title no i s i veRr ebmuNSize A2 fo t eehS 5102 - ceD-8: e t aD File:E:ZHONGZCC2SCHCARCAR WOOFERNAKAMICHINBF83A NBF103A.DDBDrawn By: NBF83A MAIN SCH(IMPROVED) D302

15、1N4148 D2 1N4148 D1 1N4148 D4 1N4007 D3 1N4148 D300 1N4148 D5 1N4148 D6 1N4148 D11 1N5402 D301 1N4148 D9 F12C20A D10 F12C20C 1 2 4 3 IC1 PC817 R315 330 R306 1K R319 0.1/5W R318 220 R324 1K R301 750 R303 220 R313 5.6K R312 1K R304 6.2K R305 6.2K R308 100 R311 100 R314 2.4K R317 14K C302 68C C300 47C

16、C303 68C C304 104C C305 104P C301 100UF/25V R309 1K R322 100K R320 0.1/5W R323 4.7/1W R321 3.3K R316 330 + SUB1 SP+ - SUB2 SP- C31 104P/200V C30 471C C29 471C C28 471C C27 471C C33 3300UF/50V C35 3300UF/50V C36 3300UF/25V R34 150/3W R41 1K R35 150/3W R37 1K R36 1K R33 1K DZ1 15V DZ2 15V C26 100UF/25

17、V C23 100UF/25V +15V -15V C13 104P C14 104P R32 22/1W R28 100 R26 220 R27 220 R29 100 R24 1K R25 1K R6 100K R7 12K R44 2.7M R300 10KR302 5.6K R1 10K C15 103P C11 104C C10 472P C9 473P C8 473P R22 3K R20 390 R19 10KR18 4.7K R11 10K R12 1.2K R21 OPEN R17 10K R16 10K R9 2.7M R15 33K R14 10K R13 22K C41

18、UF/50V C5 1UF/50V TH TH1150K R10 10K C7 10UF/25V C3220UF/16V C38 224C C37 3300UF/25V -15V -15V +15V R3 24K R5 10K R4 10K R2 10K R8 4.7K C6 47UF/25V D303 1N4148 R307 100 R310 100 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 IC3 KIA494P -15V +15V 7 - 6 + 5 IC2B TL072D 1 - 2 + 3 + 84 IC2A TL072D 7.4 ZCC2 2/2

19、2 R39 1K R38 220 L2 JUMPER R42 5.6K R43 22K R40 10/0.25 C41 104C C12 100UF/25V 1 2 3 4 5 6 7 8 9 10 CON2 10PIN 1 2 3 4 CON1 4PIN 12 L1 2.5MH C39 2200UF/25V Q4 2SA1037K Q5 2SA1037K Q6 2SA1037K Q311 2SA2151A Q309 KTB631 Q305 2SB1260 Q304 2SA1037K Q303 2SA1037K Q11 2SB1260 L-CH R-CH Q312 2SC2412K Q310

20、2SC6011A Q308 KTD600 Q306 C3198 Q301 2SC2412K Q302 2SC2412K Q307 2SD1898 Q300 2SC4213 Q3 2SD1898 Q2 2SC2412K Q1 2SC2412K Q12 2SC2412K D202 1N4148 D200 1N4148 D201 1N4148 R215 180 R206 1K R219 0.1/5W R218 220 R224 1K R201 750 R203 220 R213 5.6K R212 1K R204 6.2K R205 6.2K R208 100 R211 100 R214 2.4K

21、R217 10K C202 68C C200 47C C203 68C C204 104C C205 104P C201 100UF/25V R209 1K R222 100K R220 0.1/5W R223 4.7/1W R221 2.4K R216 180 R200 10K R202 5.6K -15V +15V D203 1N4148 R207 100 R210 100 Q211 KTB688 Q209 A1023 Q205 2SB1260 Q204 2SA1037K Q203 2SA1037K Q212 2SC2412K Q210 KTD718 Q208 C1027 Q206 C31

22、98 Q201 2SC2412K Q202 2SC2412K Q207 2SD1898 Q200 2SC4213 D102 1N4148 D100 1N4148 D101 1N4148 R115 180 R106 1K R119 0.1/5W R118 220 R124 1K R101 750 R103 220 R113 5.6K R112 1K R104 6.2K R105 6.2K R108 100 R111 100 R114 2.4K R117 10K C102 68C C100 47C C103 68C C104 104C C105 104P C101 100UF/25V R109 1

23、K R122 100K R120 0.1/5W R123 4.7/1W R121 2.4K R116 180 R100 10K R102 5.6K -15V +15V D103 1N4148 R107 100 R110 100 Q111 KTB688 Q109 A1023 Q105 2SB1260 Q104 2SA1037K Q103 2SA1037K Q112 2SC2412K Q110 KTD718 Q108 C1027 Q106 C3198 Q101 2SC2412K Q102 2SC2412K Q107 2SD1898 Q100 2SC4213 R-SPK R-SPK C20 104P

24、/200V C22 3300UF/35V C25 3300UF/35V L+ R+ R- L- C34 104C C32 104C C21104C C24 104C C1 104C C2 104C R113T NTC150K R213T NTC150K R313T NTC150K D12 1N4007 C40 4.7UF/50V 1 2 CON3 2PIN 1 2 34 5 6 7 8T1 36-0.8x8*6-1.4x2x12T-1.4x2x16T Q9 IRFZ44N Q10 IRFZ44N R30 100 R31 100 Q8 IRFZ44N Q7 IRFZ44N D7 F12C20A

25、D8 F12C20C C19 471C C18 471C C17 471C C16 471C +P1 B+ - P3 B- RP2 RMT R45 5.6K R23 100 5 6 Control PCB Bottom Layer 7 Control PCB TOP Layer 8 Control PCB Top Silk Control PCB Bottom Silk 9 Power PCB Bottom Layer 10 Power PCB Top Layer 11 Power PCB Top Silk 12 13 Screw Screw POLY BAG Magic tape 1506A

26、 4800001-17 Lot label 1 2 POLY BAG POLY BAG REMOTE CONTROL CABLE MOUNTING BKT REMOTE CONTROL POLY BAG HI CONNECTOR 4800001-17 4800001-17 PEAR FOAM WHITE Users Manual Chinese Traditional Manual 3 4 5 6 7 8 9 10 11 12 1314 15 16 17 17 18 19 20 21 NBF83A Packaging exploded Drawing NO.Part NoPart NameQT

27、Y REMARK 1 2 3 4 5 6 7 8 9 10 Unit 1 NBF83A A-YOVB-37053005 Poly bag 1 A-YPSB-0043-02 Pear foam 2 XHTA-04+25CB SCREW 4 XHBT-03+14CB SCREW 2 XHBM-04+06CB SCREW 8 A-HMHB6-017AHI CONNECTOR 1 A-APBK-0054-01BMOUNTING BKT 1 ALLEN key 1 XHWT-03CN 1 Poly bagA-YOVB-16025005 12 13 14 15 16 17 18 19 20 21 1 Po

28、ly bagA-YOVB-10013005 1Remote controlREMOTE2N 1 Poly bagA-YOVB-16025006 1 Magic tapeMGT1200002 1 Model labelA-MLNK-NBF83A-01 3 Bar code labelA-SLNK-NBF83A-02 2A-IMNK-NBF83A-03Manual 1 Gift BoxA-WBNK-NBF83A-02 1/2 Master Carton BoxA-CTNK-NBF83A-02 2/2 Lot labelA-MLNK-NBF83A-03 111 Remote control cabl

29、e REMOTE2NW NO.Part NoPart NameQTY REMARK 4800001-17 17 4800001-17 Bar code label 4800001-17 4800001-17 The left side The left side Unit Model label Gift Box 4800001-17 14 Mechanical Exploded View 1 2 3 4 5 6 7 8 9 10 11 12131516 19 20 21 22 24 25 26 2015-12-09 V1.0 DESIGNED BY 1/1 VERSIONFINISH QTY

30、 1 MATERIAL SCALE PART NO. PART NAME NO. APPROVED BY UNIT m/m DATESound Great Industrial Limited MODEL DRAWNDATEMARKREVISION RECORDAPPROVED 1. GRAPHICS 爆炸图 BLACK NBF83A 14 序号料 号名 称 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 扇形铁网A 扇形铁网B 铸铝上盖 EVA密封条 喇 叭 螺 丝 假体喇叭 橡胶垫 螺 丝 螺 丝 螺 丝 铜 柱 云母

31、片 铸铝底盖 螺 丝 PCBA控制电路板 螺 丝 铁面板 PCBA功放板 螺 丝 LED 灯罩 EVA LOGO铭牌 A-APGL-08-10B A-APGL-08-09B A-APHS-0279-02B 用 量 2 2 1 1 1 8 2 1 5 5 12 5 2 1 1 1 8 1 1 4 1 1 1 A-APSP-0074-01 A-NPNK-0069-02B A-APSP-0076-02 A-AABS-007-01 A-APPL-0310-01B A-APHS-0280-03B JD0200100003 TZ0200100001 LB000200002 LB000100001 LS0200100024 LS0200300022 LS0200400008 A-APSB-0032-01 LS0200500021 LS0200300021 A-PFC-171-13 LS0200300003 A-PMC-243-12 LS0200200020 23 17 18 24 25 26 LED PCB1 A-PFC-163-12 压 片7A-APBK-0050-01N 螺 丝7LS02003000046