Laney_NXT_Nexus_Tube_Service_Manual电路图.pdf

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1、? ? ? RadioFans.CN 收音机爱 好者资料库 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? RadioFans.CN 收音机爱 好者资料库 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

2、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? RadioFans.CN 收音机爱 好者资料库 007305007435 100V 12 3 4 5 6 12 3 4 5 6 12 3 4 5 6 115V 230V 3. Voltage Selection PCB; T

3、he Voltage Selection PCB is located in the front of the chassis by the power In general appearance the 2 switches look the same, but use 007305 for 230V The mains inlet & resettable trips must be changed as set out in the table below for the various voltages. The items are located at the rear of the

4、 amplifier as in the photo. The Mains Inlet is secured by 2 x M3 screws, nuts & washers, & the resettable trip is secured by 1 x hex nut. 5A 007426 10A 005325 123456 100V *T10A L 540023SURGE GUARD 003032 12A 115V*T10A L 540023SURGE GUARD 003032 12A 230V*T5A L 005531SURGE GUARD 003031 8A NTC LINK WIR

5、ES FUSE NTCFUSELINK WIRES 100-115V230V100-115V230V EMI Filtered Mains Inlet6A - 0053233A - 0053196A - 0053233A - 005319 Resettable Trip10A - 0053255A - 00742610A - 0053255A - 007426 NXTNXF 3A 005319 6A 005323 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 1 Steelpark Road Coombs Wood Halesowen UK 1 943

6、34 26/02/200817:17:35 9433.SchDoc Title: Size:Number: Date: Original File: Revision: SheetofTime: A3 www.laney.co.uk Industrial Estate West NXF/NXT MAINS SELECTION PCB FP Flame proof resister Must only be replaced with same type and rating Indicates safety critical component Must only be replaced wi

7、th approved type All capacitors to be 100V minimum rating unless stated otherwise 100V/115V = 6A MAINS INLET (005323) Black(Brown) Green/Yellow White (Blue) Chassis TXPrimary Live Neutral ITEMS WITHIN DASHED AREA ARE NOT ON PCB OR ARE OPTIONS FILTERED MS1 IEC Inlet MAINS TRANSFORMER Mains TX PN - 62

8、00_1 TXSecondary Blue White Black NC Thermal TripMains Switch Live Neutral 0-6.3V 17-0-17 0-120V 210-0-210 0-220V 910 12 ALL CONNECTOR VIEWS LOOKING INTO PIN FACE TO PSU PCB 9420 TO O/P PCB 9418 (HEATERS) NXT - TRANSFORMER 6200 SG1 NTC 10 ohms, 8A RESETTABLE TRIP SP3 SP4 RESETTABLE TRIP = 10A (00532

9、5) 230V- T5A L 250V 100115V - T10A L 250V SP2 SP5 12 34 56 SK1 TMF06MS Brown Grey Red SP1 SP6 LN1 LN2 LN3 LN4 LN5 LN6 1 2 3 4 5 6 VOLTAGE SELECTION 230V 115V 100V FIT LN1, LN3 only FIT LN1, LN4, LN5 only FIT LN2, LN4, LN6 only F3 MAINS FUSE MAINS FUSE = T10A L (540023) RESETTABLE TRIP = 10A (005325)

10、 MAINS FUSE = T10A L (540023) RESETTABLE TRIP = 5A (007426) MAINS FUSE = T5A L (005531) TXPrimary MAINS TRANSFORMER Blue White Black 17-0-17 58-0-58 0-220V 34 TO DRIVER PCB 9427 TO PSU PCB 9431 NXF - TRANSFORMER 6221 Brown Grey Red 1 2 3 4 5 6 12 VIEW FROM WIRE END VIEW FROM PIN END 56 12 VIEW FROM

11、WIRE END NEXUS FET (NXF) RESETTABLE TRIP = 10A (005325) VOLTAGE SELECTION 230V 115V 100V FIT LN1, LN3 only FIT LN1, LN4, LN5 only FIT LN2, LN4, LN6 only MAINS FUSE = T10A L (540023) RESETTABLE TRIP = 10A (005325) MAINS FUSE = T10A L (540023) RESETTABLE TRIP = 5A (007426) MAINS FUSE = T5A L (005531)

12、NEXUS TUBE (NXT) MAINS INLET = 3A (005319) MAINS INLET = 6A (005323) MAINS INLET = 6A (005323) MAINS INLET = 3A (005319) MAINS INLET = 6A (005323) MAINS INLET = 6A (005323) NXT ONLY 230V = 3A MAINS INLET (005319) NTC 5ohm/12A 100V/115V only SG1 = 230V only SEE NOTES SG1 = 5 OHM 12A (003032) SG1 = 5

13、OHM 12A (003032) SG1 = 5 OHM 12A (003032) SG1 = 5 OHM 12A (003032) SG1 = 10 OHM 8A (003031)SG1 = 10 OHM 8A (003031) P0LN101 P0LN102 P0LN201 P0LN202 P0LN301 P0LN302 P0LN401 P0LN402 P0LN501 P0LN502 P0LN601 P0LN602 P0SG101 P0SG102 P0SK101 P0SK102 P0SK103 P0SK104 P0SK105 P0SK106 P0SK201 P0SK301 P0SP101

14、P0SP201 P0SP301 P0SP401 P0SP501 P0SP601 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 FF EE DD CC BB AA Steelpark Road www.laney.co.uk Industrial Estate West 1 Coombs Wood Halesowen, UK B62 8HD 1 NXF/NXT Tube Preamp 94223 15/06/2007R.S.T 9422.SchDoc Title: Size:Number: Date: Original File: Revision: She

15、etofDrawn: A3 FP Flame proof resister Must only be replaced with same type and rating Indicates safety critical component Must only be replaced with approved type All capacitors to be 100V minimum rating unless stated otherwise ALL CONNECTOR VIEWS LOOKING INTO PIN FACE 7 6 8 4 5 9 V1A ECC83C 2 1 3 V

16、1B ECC83C 2K2 SM R46 R28 100K 0.5W MF R29 100K 0.5W MF C22 22uF 450V R27 10K 5W 121 HD5 HD2WL 121 HD6 G G G GG G +12V C23100nF 400V C29 10uF +300V 121 HD2 HD2WL G C2 47nF C3 47nF TL072 U4A 2K2 SM R1 2K2 SM R2 TREBLE VR8 22K CD 2K2 SM R18 2K2 SM R19 100pF SM C5 4K7 SM R10 10K SM R16 C18 220nF BASS VR

17、9 22K CD -15V +15VG TL072 U4B C37 10uF Bi-Polar 100K SM R65 G 10K SM R74 10K SM R70 10K SM R82 10K SM R83 C42 10uF Bi-Polar 100K SM R78 VR18A 100KC D LO MID FREQUENCY VR18B 100KC D C46 22nF C49 33nF LO MID LEVEL VR22 22K CD G G TL072 U13B10K SM R76 10K SM R71 10K SM R84 10K SM R85 VR20A 100KC D HI M

18、ID FREQUENCY VR20B 100KC D +15V -15V C48 3.3nF C51 4.7nF HI MID LEVEL VR23 22K CD G G G RLY4A G12V-2-H1 RLY4B G12V-2-H1 RLY4C G12V-2-H1 C1 NC1 NO1 PARAMID ON/OFF SW2A PARAMID ON/OFF SW2C 2P2WPS-2NBX -15V 3K3 SM R64 G RLY5A G12V-2-H1 RLY5B G12V-2-H1 RLY5C G12V-2-H1 C1 NC1 NO1 GRAPHIC ENABLE SW3A GRAP

19、HIC ENABLE SW3C -15V 3K3 SM R63 G TL072 U13A TL072 U11B TL072 U11A 10K SM R66 3K3 SM R67 12K SM R68 BAS16 D9 BAS16 D10 C39 10uF Bi-Polar 47K SM R69 100pF SM C38 G G +15V -15V C40 47nF 150K SM R72 C43 47nF 150K SM R79 C41 100nF 220K SM R73 220K SM R80 C44 100nF GG 1234567891011112 HD10 HD12WL FXSEND

20、FXRETURN PREAMPOUT POSTEQDI PREEQDI PCB 9422 TUBE BOARD TL072 U6B 10K SM R36 10K SM R31 BAS16 D4 BAS16 D3 1K SM R30 VR11 10K G G 1 2 3 4 56 7 8 9 U7 LB1413 C35 10uF 10K SM R52 C28 10uF 220R SM R39 LED1A LED1B LED1C LED1D BAS16 D8 1K SM R51 G G +15V G 123456789 101 HD9 HD10WL G +15V +12V -15V G TO 94

21、17 OUTPUT SOCKET PCB 123456 HD11 HD6WL TO 9420 PSU PCB +15V -15V G +12V +300V -15V +15V FEEDBACK OUTPUTGND PRESENCE VR17 22K CD 121 HD12 HD2WL TO 9418 TUBE PCB C47 220nF 250V 123456 HD13 HD6WL TO 9419 FOOTSWITCH PCB HD2 +15V G GG D11 1N4007 D12 1N4007 +12V+12V C56 47uF G C74 100nF C62 100nF G G C73

22、47uF C61 47uF G G +15V -15V WITHIN DASHED AREA +15V -15V TL072 U6A +15V -15V 121 HD14 123456 HD15 HD6WL PCB3 PCBMB PCB4 PCBMB Mech Items 123456 HD100 HD6WL G -15V +15V 0R0 SM LN1 7 6 8 4 5 9 V2A ECC83C 2 1 3 V2B ECC83C C2 NC2 NO2 SW2B C2 NC2 NO2SW3B G R6 100K 0.5W MF +295V +295V R3 22K 1W C1 22uF 45

23、0V R15 100K 0.5W MF 100K SM R12 100K SM R8 C8 22nF 400V 1K SM R11 1M SM R7 2K2 SM R14 1M SM R13 GG G +12V C7 100nF 400V G C10 22nF 400V 470K SM R9 G C9 100nF 400V G 2K2 SM R5 GG C4 10U 450V 220K SM R4 121 HD1 121 HD3 G G IP DIST ADJ VR1 100K G C6 10uF TUNEROUT 10R SM R17 G G 121 HD4 G VR1 100KA 121

24、HD1 121 HD2 MASTER VOLUME G PCB 9434 SUB HP FILTER BZX84C10 ZD1 BZX84C10 ZD2 G TL072 U1A TL072 U1B 100K SM R21 22K SM R23 10K SM R34 10K SM R32 10K SM R33 10K SM R35 +15V -15V 100K SM R37 3K3 SM R38 C13 22nF C14 3.3nF G GG G 100K SM R25 3K3 SM R26 C11 33nF C12 33nF 22K SM R22 LN3 LN7 LN4 DEEP PRESEN

25、CE FX RETURN BUFFER VU DRIVER SIGNAL LEVEL VU 2K2 SM R24 LN2 LN5 LN6 FET ONLYTUBE ONLY OPTIONALOPTIONAL TL072 U16A 470R SM R93 100nF C57 330nF C52 220K SM R96 80Hz 10KBSL VR1A 10KBSL VR1B 330Hz 10KBSL VR2A VR2B 3KHz 10KBSL VR3A VR3B 40HZ 10KBSL VR4A 10KBSL VR4B 160Hz 10KBSL VR5A VR5B 750Hz 10KBSL VR

26、6A VR6B -15V SLIDER LED S -15V +15V G TL072 U16B 470R SM R104 220nF C70 330nF C64 220K SM R107 G TL072 U17A 470R SM R94 68K SM R97 -15V +15V G TL072 U17B 470R SM R105 220K SM R108 G TL072 U18A 470R SM R95 220K SM R98 -15V +15V G TL072 U18B 470R SM R106 100K SM R109 G 330nF C63 100nF C66 47nF C65 47n

27、F C71 4.7nF C72 100nF C68 47nF C67 330nF C53 15nF C58 33nF C54 470pF SM C59 TL072 U19B 330R SM R100 330R SM R101 10K SM R99 10K SM R102 C60 47pF SM C69 100K SM R103 G TL072 U19A 330R SM R90 330R SM R91 10K SM R88 10K SM R92 47pF SM C55 +15V -15V 100K SM R87 G 10K SM R110 123456 HD6WL HD101 G -15V +1

28、5V 100nF C100 100nF C101 GG +15V-15V +15V PCB 9421 INPUT BOARD WITHIN DASHED AREA PCB 9421 INPUT BOARD WITHIN DASHED AREA PCB 9423 TUBE BOARD WITHIN DASHED AREA RELAYS SHOWN UNERGISED TUBE GAIN VR10 100KA PCB 9421 INPUT BOARD WITHIN DASHED AREA 121 HD4 121 HD5 SK1 MJACK 10K SM R5 TL072 U1B TL072 U1A

29、 TL072 U2A TL072 U2B TL072 U3B 22K SM R11 22K SM R22 10K SM R20 1M SM R8 100pF SM C10 C17 10uF Bi-Polar 47pF SM C15 C7 47nF G P1 BAS16 D2 BAS16 D1 +15V -15V C1 NC1 NO1 SW6A 2P2WPS-2LBX G G -10dBu PAD G G +15V -15V 150K SM R4 330K SM R12 220K SM R7 470K SM R13 C12 47nF C8 100nF C14 100nF C9 10uF Bi-P

30、olar G G +15V -15V 4K7 SM R6 FET GAIN VR7 22KB 47pF SM C4 G C11 10uF Bi-Polar 100K SM R14 22K SM R9 RLY2B G12V-2-H1 RLY2C G12V-2-H1 G G 22K SM R15 +15V -15V G 22K SM R3 47pF SM C1 C13 22uF Bi-Polar 22K SM R17 RLY1AG12V-2-H1 RLY1B G12V-2-H1 RLY1C G12V-2-H1 RLY2AG12V-2-H1 G 121 HD1 HD2WL G TUBE LEVEL

31、VR12 100KA 121 HD7 HD2WL G G RLY3AG12V-2-H1 RLY3B G12V-2-H1 G RMS In 1 IT (ITime) 2 N/A 3 RMS Out 4 CT (CTime) 5 OA2 -In 6 OA2 Out 7 OA2 +In 8 GND 9 VEE 10 VCC 11 OA3 Out 12 VCA Out 13 SYM 14 EC+ 15 EC- 16 VCA In 17 OA1 Out 18 OA1 -In 19 OA1 +In 20 U5 THAT4301 BC847B TS1 BC847B TS2 BC857B TS3 BC857B

32、 TS4 1M SM R50 1M SM R60 470K SM R53 470K SM R57 1M SM R43 1M SM R49 C32 10uF 5K6 SM R41 12K SM R44 12K SM R48 12K SM R61 820K SM R54 820K SM R58 Compression VR15 100KA GG G +15V-15V 22K SM R26 33K SM R25 C21 47uF C20 47uF 56R SM R23 22K SM R24 47pF SM C19 G C16 22uF Bi-Polar 22K SM R21 G GG +15V-15

33、V 6K8 SM R42 C30 100nF G OPERATING LEVEL ADJ VR13 10K 820K SM R55 +15V -15V +15V -15V G G 3K3 SM R56 C1 NC1 NO1 SW1A SW1C +15V G ON C34 100nF C27 100nF G G C1 NC1 NO1SW7A 2P2WPS-2LBX PCB 9421 INPUT BOARD G 123456789 101 HD8 HD10WL G +15V +12V -15V PREEQDI G DEEP VR14 100KB C36 10nF 400V 123456 HD3 H

34、D6WL TO 9419 FOOTSWITCH PCB HD1 C1 NC1 NO1 SW4A SW4C C1 NC1 NO1 SW5A SW5C GGG D51N4007 3K3 SM R34 3K3 SM R35 +12V D71N4007 D61N4007 +12V+12V C24 47uF G C33 47uF C25 47uF G G +15V -15V C6 100nF C2 NC2 NO2 SW6B C2 NC2 NO2 SW7B TL072 U3A PCB1 SUPPORT PCB2 SUPPORT 123456 HD2 HD6WL RLY3C G12V-2-H1 BRKT2

35、BR16BU Mech Items 121 HD6 HD2WL G TUNEROUT R10 10R 4W WW C2 100nF 250V G SW6C 3K3 SM R18 -15V G PAD ACTIVE 2K2 SM R2 RLY8A G5V-2-H1 2A 12V RLY8B G5V-2-H1 2A 12V 22K SM R30 SO642 TS6 SO642 TS5 10K SM R27 G G D3 1N4007 +12V +15V MUTE FUNCTION G MUTE COMPRESSOR FET CH TUBE CH BZX84C10 ZD2 BZX84C10 ZD1

36、G R1 NOT FITTED R1 47K SM R19 100K SM R16 G uC LINES ACTIVE LOW -15V 100K SM R29 SUB BYPASS SW7C 3K3 SM R28 G -15V LN2 LN1 LN3 DEEPTOP-TUBE DEEPBOT-TUBE MUTEACTIVE DPTOP-F DPBOT-F DPWIP-F LN4 LN5 LN6 NXF ONLY SUBSONIC HP FILTER CH. MIX COMPRESSOR MUTE MUTE LED RLY8C G5V-2-H1 2A 12V 1K SMR31 G CH. ST

37、ATUS 22K SM R32 +15V 2K2 SM R33 NXT ONLY Wire Link 120mm Wire Link 120mm Track Cut Build Notes: NXT Version: Miss out 9422/LN2, LN5, LN6 Miss out 9421/LN4, LN5, LN6 Fit 9422 LN3, LN4, LN7 Fit 9421 LN1, LN2, LN3 ALL SWITCHES TO BE FITTED WITH BLUE LEDS NXF Version: Miss out 9422/LN3, LN4, LN7 Miss ou

38、t 9421/LN1, LN2, LN3 Fit 9422/LN2, LN5, LN6 Fit 9421/LN4, LN5, LN6 ALL SWITCHES TO BE FITTED WITH RED LEDS P0C10N P0C10P P0C201 P0C202 P0C301 P0C302 P0C40N P0C40P P0C501 P0C502 P0C60N P0C60P P0C701 P0C702 P0C801 P0C802 P0C901 P0C902 P0C1001 P0C1002 P0C1101 P0C1102 P0C1201 P0C1202 P0C1301 P0C1302 P0C

39、1401 P0C1402 P0C1801 P0C1802 P0C220N P0C220P P0C2301 P0C2302 P0C280N P0C280P P0C290N P0C290P P0C350N P0C350P P0C370N P0C370P P0C3801 P0C3802 P0C390N P0C390P P0C4001 P0C4002 P0C4101 P0C4102 P0C420N P0C420P P0C4301 P0C4302 P0C4401 P0C4402 P0C4601 P0C4602 P0C4701 P0C4702 P0C4801 P0C4802 P0C4901 P0C4902

40、 P0C5101 P0C5102 P0C560N P0C560P P0C610N P0C610P P0C6201 P0C6202 P0C730N P0C730P P0C7401 P0C7402 P0D30A P0D30K P0D40A P0D40K P0D80A P0D80K P0D90A P0D90K P0D100A P0D100K P0D110a P0D110k P0D120a P0D120k P0HD101 P0HD102 P0HD201 P0HD202 P0HD301 P0HD302 P0HD401 P0HD402 P0HD501 P0HD502 P0HD601 P0HD602 P0H

41、D901 P0HD902 P0HD903 P0HD904 P0HD905 P0HD906 P0HD907 P0HD908 P0HD909 P0HD9010 P0HD1001 P0HD1002 P0HD1003 P0HD1004 P0HD1005 P0HD1006 P0HD1007 P0HD1008 P0HD1009 P0HD10010 P0HD10011 P0HD10012 P0HD1101 P0HD1102 P0HD1103 P0HD1104 P0HD1105 P0HD1106 P0HD1201 P0HD1202 P0HD1301 P0HD1302 P0HD1303 P0HD1304 P0H

42、D1305 P0HD1306 P0HD1401 P0HD1402 P0HD1501 P0HD1502 P0HD1503 P0HD1504 P0HD1505 P0HD1506 P0HD10001 P0HD10002 P0HD10003 P0HD10004 P0HD10005 P0HD10006 P0LED1A0a1 P0LED1A0k1 P0LED1B0a2 P0LED1B0k2 P0LED1C0a3 P0LED1C0k3 P0LED1D0a4 P0LED1D0k4 P0LN101 P0LN102 P0LN201 P0LN202 P0LN301 P0LN302 P0LN401 P0LN402 P

43、0LN501 P0LN502 P0LN601 P0LN602 P0LN701 P0LN702 P0PCB301 P0PCB302 P0PCB401 P0PCB402 P0R101 P0R102 P0R201 P0R202 P0R301 P0R302 P0R401 P0R402 P0R501 P0R502 P0R601 P0R602 P0R701 P0R702 P0R801 P0R802 P0R901 P0R902 P0R1001 P0R1002 P0R1101 P0R1102 P0R1201 P0R1202 P0R1301 P0R1302 P0R1401 P0R1402 P0R1501 P0R

44、1502 P0R1601 P0R1602 P0R1701 P0R1702 P0R1801 P0R1802 P0R1901 P0R1902 P0R2101 P0R2102 P0R2201 P0R2202 P0R2301 P0R2302 P0R2401 P0R2402 P0R2501 P0R2502 P0R2601 P0R2602 P0R2701 P0R2702 P0R2801 P0R2802 P0R2901 P0R2902 P0R3001 P0R3002 P0R3101 P0R3102 P0R3201 P0R3202 P0R3301 P0R3302 P0R3401 P0R3402 P0R3501 P0R3502 P0R3601 P0R3602 P0R3701 P0R3702 P0R3801 P0R3802 P0R3901 P0R3902 P0R4601 P0R4602 P0R5101 P0R5102 P0R5201 P0R5202 P0R6301 P0R6302 P0R6401 P0R6402 P0R6501 P0R6502 P0