Laney_LV300,_H,_Twin_Service_Manual电路图.pdf

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1、www.laney.co.uk Service InformationService Information LV300/H/Twin RadioFans.CN 收音机爱 好者资料库 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 TUBE HYBRID GUITAR PREAMP 94022 17/05/200609:34:37 9402_2.sch Title: Size:Number: Date: Original File: Revision: Sheetof

2、Time: A3 www.laney.co.uk Industrial Estate West SK1 MJACK C1 10N 100V C27 47PSM R2 10KSM R4 1MSM G GG U2B TL072SM U2A TL072SM R6 4K7SM G +15V -15V C20 4N7 100V R45 3K3SM C15 220N 63V C17 220N 63V VR11 22KB6S VR9 100KA6S VR10 2K2B6S G VR6 100KA6S G Q5 SST177 R32 220KSM C34 47PSM U5A TL072SM G R7 1MSM

3、 R8 10KSM R3 47KSM C3 270PSM R10 100KSM C4 100N 63V C5 47N 100V VR4 220KA6S VR2 220KA6S VR3 22KB6S G G G C28 100N 50VSM VR1 100KA6S G +15V-15V D3 BAS16 D2 BAS16 +15V -15V C29 270PSM Input Clean Channel Treble Mid Bass Treble Bass Mid Drive 1 Volume C25 100N 50VSM C26 100N 50VSM GG NOTE: All capacito

4、rs to be rated at 16V or higher, unless stated NOTE: All resistors to be 1/4W unless otherwise stated U4A TL072SM R28 10KSM R26 15KSM R30 15KSM R23 2K2SM C11 22N 100V R29 4K7SM C13 22N 100V G G R25 39KSM Drive2 Scoop ON/OFF U6B TL072SM U6A TL072SM R46 6K8SM R50 10KSM R49 10KSM R52 33KSM R47 4K7SM C1

5、9 1N 100V C41 100PSM C42 100N 63V C22 330N 63V G C23 4N7 100V C21 1N 100V R48 10KSM R51 10KSM G C24 330N 63V R53 4K7 SM G SW4A 2P2WPS VIBE ON/OFF R22 100KSM G COA SW1A 4P2WPSPB C31 470PSM C30 470PSM BRIGHT ON/OFF 1 2 3 4 5 6 7 8 9 10 HD4 HD10W.5 G R55 2K2SM C16 2U2 63V R54 100KSM G +15V -15V COA SW3

6、A 4P2WPSPB U4B TL072SM G R27 1KSM 121 HD1 HD2WLSJ G To Tube PCB C8 22N 100V VR5 100KA6S VR7 100KB6S U3B TL072SM Q2 SST177 Q1 SST177 G LED4 LED3MMR LED6 LED3MMR LED5LED3 R16 1KSM R14 470KSM C7 270PSM DRIVE1 DRIVE2 1 21 HD3 HD2WLSJ G U3A TL072SM R17 10KSM R15 15KSM R19 15KSM R12 2K2SM C6 22N 100V R18

7、4K7SM C9 22N 100V G G R13 39KSM Drive1 Scoop ON/OFF R20 100KSM G +15V -15V COA SW2A 4P2WPSPB G VR8 100KA6S G Drive 2 Volume C10 100N 63V C14 100N 63V R33 47KSM R37 47KSM Q3 SST177 Q7 SST177 CLEAN VOLUME R40 47K SM R35 10KSM R31 10KSM C32 47PSM U5B TL072SM G Q4 SST177 Q6 SST177 OUTPUT/FX/LOOP 4W LOOM

8、 TO FX SEND/LINE OUT CLEANFET DRIVE1FET DRIVE2FET COC SW1C 4P2WPSPB COC SW2C 4P2WPSPB COC SW3C 4P2WPSPB G G G LED1 LED3MMGHB LED2 LED3MMRHB LED7 LED3MMRHB R9 3K3SM R11 3K3SM R21 3K3SM CLEANFET DRIVE1FET DRIVE2FET CLEAN CHANNEL DRIVE 1 SWITCH DRIVE 2 SWITCH DRIVE1FET DRIVE2FET R41 1KSM C36 100N 63V G

9、ND INOUT U1 LM7805 +5V C40 100N 50VSM C18 10U 50V G R44 150K SMC39 100N 50VSM G R43 150K SMC38 100N 50VSM G R42 150K SM C37 100N 50VSM R24 1KSM +15V -15V +15V -15V G BRKT1 BR16BU Q8 SST177 R57 100KSM C43 100N 50VSM G G R56 100KSM +5V MUTE 12 U7A CD4069UBE TS2 BC847B R69 22KSM R73 10KSM G +15V +15V G

10、 R60 10KSM Clean Active 1312 U7F CD4069UBE G 34 U7B CD4069UBE TS1 BC847B R68 22KSM R72 10KSM G +15V R59 10KSM 1110 U7E CD4069UBE G Drive 1 Active 56 U7C CD4069UBE TS3 BC847B R70 22KSM R74 10KSM G +15V R64 10KSM 98 U7D CD4069UBEG G SWITCH +5V +5V +5V C LINES = ACTIVE LO Drive 2 Active R66 22KSM R71 2

11、K2SM C12 100N 63V R5 22KSM C2 0.47U 63V R67 22KSM R58 10KSM G R1 3R3 2W5 C46 10U 50V R65 4K7SM GGG R75 100KSM G C47 100N 50VSM G LN1 Note: ITEMS WITHIN DASHED LINES ARE ON PCB 9394 12 HD2 HD2WL R21 68K 0.5W V1A ECC83 V1B ECC83 VR10 1KH F2 POLYSW0.9 G SP3 SPADE4.8 SP4 SPADE4.8 C13 22N 400V R17 2K2SM

12、R26 820RSM R24 470K R25 470K R22 100K 0.5W R23 100K 0.5W G G G G G C44 330N 63V C21 10U 400V C45 330N 63V C22 10U 400V G C23 10U 400V R62 1K D7 1N4007 LED5 LED3MMR HUM TRIM 1 2 HD3 HD2WL G TO PREAMP To Transformer R27 10K 5W 4x R28 10K 5W Caution High Voltage G SP2 SPADE4.8 G SP1 SPADE4.8 G Replace

13、only with same type and rating T100mA L F1 FUSEIN D3 1N4007 D4 1N4007 G D5 1N4007 D6 1N4007 C24 4N7 1000V C25 4N7 1000V C27 4N7 1000V C26 4N7 1000V C1 470P 1KV C44 100N 50VSM G R34 1MSM R39 100KSM R62 100KSM G G R76 100KSM G C45 1U 10VSM C481U 10VSM C49 1U 10VSM LN2 Note: D1 BAS16 D4 BAS16 PTA5 2 PT

14、A4 3 PTA3 4 PTA2 5 PTA1 6 PTA0 7 VDD 1 VSS 8 MCU1 M68HC908QT4 100N 50VSM C33 G +5V Programming Header PTA2/IRQ PTA0 PTA4 PTA1 PTA5/OSC 123456 HD2 PTA3 100N 50VSM C35 G 22KB6S VR12 22KB6S VR13 G Clean Reverb Level Drive Reverb Level R38 10K SM R61 10K SM G R36 2K2 SM Reverb Return CLEANFET Reverb Sen

15、d Footswitch Clean FS A0 D1/D2 FS SW A2 Clean FP A3 D1 FP A4 D2 FP A5 G +5V 123456 HD5 Return Send +15V -15V Return Send NOTE: 65W MODEL = Fit R1 + U1. Miss out LN1+LN2 NOTE: 120W MODEL = Fit LN1+LN2. Miss out R1 + U1 A0 A1 A2 A3 A4 A5 Q9 SST177 Channel switches Non-Latching type RadioFans.CN 收音机爱 好

16、者资料库 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 120W GUITAR OUTPUT MODULE 93975 17/05/200609:39:21 9397_6.Sch Title: Size:Number: Date: Original File: Revision: SheetofTime: A3 www.laney.co.uk Industrial Estate West G +45V -45V Extension Loudspeaker FP Fl

17、ame proof resister Must only be replaced with same type and rating Indicates safety critical component Must only be replaced with approved type C9 4700uF C12 4700uF AC AC -V +V BR1 6A 200V SP2 SPADE4.8 SP3 SPADE4.8 SP1 SPADE4.8 C15 220nF G Mains Switch Mains In Black(Brown) Green/Yellow White (Blue)

18、 ChassisTransformer Primary AC Line(Live) AC Input (Neutral) These items not on pcb IEC Inlet Fuse Integral to IEC Fuse MAINS FUSE 230V =T2A L, 115V = T5A L MAINS TRANSFORMER R3 1K R4 10K C1 2.2uF D2 3V9 0.5W D1 3V9 0.5W Gi2 C2 1nF Gi2 Gi2 TS1 MPSA92 TS3 MPSA92 TS2 MPSA92 TS4 MPSA92 TS5 MPSA42 TS10

19、MPSA92 R7 220R R9 100R R8 1K R6 150R C3 47uF G R15 10K C4 100pF R5 100K D7 1N4148 D3 1N4148 R10 2K2 TS6 MPSA92 R11 220R TS9 MPSA42 C11 2.2uF TS7 SAP16N TS11 SAP16P R17 330R R20 330R R18 6K8 R19 6K8 C10 100nF C13 100nF D6 1N4148 D8 1N4148 R22 220R VR2 470R D9 1N4007 D5 1N4007 G G C16 47nF R23 10R 2W5

20、 R24 10R 2W5 L1 COIL20T G +45V -45V C14 100nF C8 100nF SK4 MJACK LN3 0R0 TestPoint1 TESTPOINT PIN TestPoint2 TESTPOINT PIN Set VR2 to give 20mV across TP1 and TP2 NOTE: Refer to service manual before adjusting bias preset BIAS ADJ VR11K R1 100R R2 100R OFFSET ADJ R16 220R C7 47pF LN5 0R0 Head Versio

21、n Only! TO PREAMP/FX/LOOP -15V+15V 1 2 3 4 5 6 7 8 9 10 HD1 HD10W SK2 MJACKG FX RETURN Gi2 LN8 0R0 LN9 0R0 -45V2 -45V2 R14 0R22 5W R21 0R22 5W LN4 0R0 SP4 SPADE4.8 SP6 SPADE4.8 Internal Loudspeaker 12V TO TUBE 200V TO TUBE PCB 9394 SP1/SP2 PCB 9394 SP3/SP4 R29 0R22 5W G R28 220R R25 680R 5W R26 680R

22、 5W D13 15V 1.3W D12 15V 1.3W C17 470uF C18 470uF +15V -15V G G 4W FOOTSWITCH WIRING CLEANDRIVE1DRIVE2FX G G +5V 1 5 69 1K1K1K1K Items within dashed Lines are on a seperate Crack-off pcb 1 2 3 4 5 6 7 8 9 10 HD2 HD10W Gc 4W FOOTSWITCH INTERFACE Gc FX2 DRIVE1 DRIVE2 CLEAN FX1 1 5 69 SK6 DB09M SK3 MJA

23、CK FX SEND Set VR1 to give 0mV across LS+, LS- Gi2 Gi2 LN1 0R0 -45V2 C19 100nF +5V SP5 SPADE4.8 SP7 SPADE4.8 C21 470uF GND INOUT U1 LM7805 C20 10uF G +5V 8V TO 5VDC SUPPLY PCB 9397 SP5/SP7 8V F1 POLYSW0.9 Mains Transformer 230V = 5600-2062B 120V = 5600-2064B BLT005103 MFR-090 C5 100nF C6 10uF D4 1N4

24、007 RLY1A 2P2W1A TS12 MPSA42 TS8 MPSA42 R12 22K R31 100K C23 100uF R30 1K RLY1C 2P2W1A R13 22K R27 22K C22 10uF Gi2 Gi2Gi2 AC AC -V +V BR4 1.5A 200V D10 1N4007 D14D15 D11 RLY1B 2P2W1A LN2 0R0 G Gi2 Cannot open file D:BackupsPROTEL-T EMPLATESProtelLibr aryDXP-Mainbitmaps SAP15.jpg C26 C24 C25 C28 C27

25、 C29 C30 Chassis GND RadioFans.CN 收音机爱 好者资料库 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 93977 02/01/200809:57:33 9397.SCHDOC Title: Size:Number: Date: Original File: Revision: SheetofTime: A3 www.laney.co.uk Industrial Estate West 120W GUITAR OUTPUT PCB (

26、HYBRID) G +45V -45V Extension Loudspeaker FP Flame proof resister Must only be replaced with same type and rating Indicates safety critical component Must only be replaced with approved type C9 4700uF 63V C12 4700uF 63V AC AC -V +V BR1 6A 200V SP2 SPADE4.8 SP3 SPADE4.8 SP1 SPADE4.8 C15 220nF 250V G

27、Mains Switch Mains In Black(Brown) Green/Yellow White (Blue) ChassisTransformer Primary AC Line(Live) AC Input (Neutral) These items not on pcb IEC Inlet Fuse Integral to IEC Fuse MAINS FUSE 230V =T2A L, 115V = T5A L MAINS TRANSFORMER R3 1K R4 10K C1 2.2uF D2 3V9 0.5W D1 3V9 0.5W Gi2 C2 1nF Gi2 Gi2

28、TS1 MPSA92 TS3 MPSA92 TS2 MPSA92 TS4 MPSA92 TS5 MPSA42 TS10 MPSA92 R7 220R R9 100R R8 1K R6 150R C3 47uF G R15 10K C4 100pF R5 100K D7 1N4148 D3 1N4148 R10 2K2 TS6 MPSA92 R11 220R TS9 MPSA42 C11 2.2uF TS7 STD03N TS11 STD03P R17 330R R20 330R R18 6K8 R19 6K8 C10 100nF C13 100nF D61N4148 D8 1N4148 R22

29、 220R VR2 470R D9 1N4007 D5 1N4007 G G C16 47nF R23 10R 2W5 R24 10R 2W5 L1 COIL20T G +45V -45V C14 100nF C8 100nF SK4 MJACK LN3 0R0 TestPoint1 TestPoint2 Set VR2 to give 20mV across TP1 and TP2 NOTE: Refer to service manual before adjusting bias preset BIAS ADJ VR11K R1 100R R2 100R OFFSET ADJ R16 2

30、20R C7 47pF LN5 0R0 Head Version Only! TO PREAMP/FX/LOOP -15V+15V 1 2 3 4 5 6 7 8 9 10 HD1 HD10W SK2 MJACKG FX RETURN Gi2 LN8 0R0 LN9 0R0 -45V2 -45V2 R14 0R22 5W R21 0R22 5W LN4 0R0 SP4 SPADE4.8 SP6 SPADE4.8 Internal Loudspeaker 12V TO TUBE 200V TO TUBE PCB 9394 SP1/SP2 PCB 9394 SP3/SP4 R29 0R22 5W

31、G R28 220R R25 680R 5W R26 680R 5W D13 15V 1.3W D12 15V 1.3W C17 470uF C18 470uF +15V -15V G G 4W FOOTSWITCH WIRING CLEANDRIVE1DRIVE2FX G G +5V 1 5 69 1K1K1K1K Items within dashed Lines are on a seperate Crack-off pcb 1 2 3 4 5 6 7 8 9 10 HD2 HD10W Gc 4W FOOTSWITCH INTERFACE Gc FX2 DRIVE1 DRIVE2 CLE

32、AN FX1 1 5 69 SK6 DB09M SK3 MJACK FX SEND Set VR1 to give 0mV across LS+, LS- Gi2 Gi2 LN1 0R0 -45V2 C19 100nF +5V SP5 SPADE4.8 SP7 SPADE4.8 C21 470uF GND INOUT U1 LM7805 C20 10uF G +5V 8V TO 5VDC SUPPLY PCB 9397 SP5/SP7 8V F1 POLYSW0.9 Mains Transformer 230V = 5600-2062B 120V = 5600-2064B BLT005103

33、MFR-090 C5 100nF C6 10uF D4 1N4007 RLY1A G5V-2-H1 2A 5V TS12 MPSA42 TS8 MPSA42 R12 22K R31 100K C23 100uF 25V R30 1K RLY1C G5V-2-H1 2A 5V R13 22K R27 22K C22 10uF Gi2 Gi2Gi2 AC AC -V +V BR4 1.5A 200V D10 1N4007 D14D15 D11 RLY1B G5V-2-H1 2A 5V LN2 0R0 G Gi2 Chassis GND P0BR10+V P0BR100V P0BR10AC1 P0B

34、R10AC2 P0BR40+V P0BR400V P0BR40AC1 P0BR40AC2 P0C10N P0C10P P0C201 P0C202 P0C30N P0C30P P0C401 P0C402 P0C501 P0C502 P0C60N P0C60P P0C701 P0C702 P0C801 P0C802 P0C90N P0C90P P0C1001 P0C1002 P0C110N P0C110P P0C120N P0C120P P0C1301 P0C1302 P0C1401 P0C1402 P0C1501 P0C1502 P0C1601 P0C1602 P0C170N P0C170P P

35、0C180N P0C180P P0C1901 P0C1902 P0C200N P0C200P P0C210N P0C210P P0C220N P0C220P P0C230N P0C230P P0D10a P0D10k P0D20a P0D20k P0D30a P0D30k P0D40a P0D40k P0D50a P0D50k P0D60a P0D60k P0D70a P0D70k P0D80a P0D80k P0D90a P0D90k P0D100a P0D100k P0D110a P0D110k P0D120a P0D120k P0D130a P0D130k P0D140a P0D140k

36、 P0D150a P0D150k P0F101 P0F102 P0HD101 P0HD102 P0HD103 P0HD104 P0HD105 P0HD106 P0HD107 P0HD108 P0HD109 P0HD1010 P0HD201 P0HD202 P0HD203 P0HD204 P0HD205 P0HD206 P0HD207 P0HD208 P0HD209 P0HD2010 P0HS101 P0HS102 P0HS201 P0HS202 P0L101 P0L102 P0LN101 P0LN102 P0LN201 P0LN202 P0LN301 P0LN302 P0LN401 P0LN4

37、02 P0LN501 P0LN502 P0LN801 P0LN802 P0LN901 P0LN902 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 P0R1502 P0R1601 P0R1602 P0R1701 P0R

38、1702 P0R1801 P0R1802 P0R1901 P0R1902 P0R2001 P0R2002 P0R2101 P0R2102 P0R2201 P0R2202 P0R2301 P0R2302 P0R2401 P0R2402 P0R2501 P0R2502 P0R2601 P0R2602 P0R2701 P0R2702 P0R2801 P0R2802 P0R2901 P0R2902 P0R3001 P0R3002 P0R3101 P0R3102 P0RLY1A0COIL1 P0RLY1A0COIL2 P0RLY1B0CO1 P0RLY1B0NC1 P0RLY1B0NO1 P0RLY1C

39、0CO2 P0RLY1C0NC2 P0RLY1C0NO2 P0SK20GND P0SK20SWGND P0SK20SWTIP P0SK20TIP P0SK30GND P0SK30SWGND P0SK30SWTIP P0SK30TIP P0SK40GND P0SK40SWGND P0SK40SWTIP P0SK40TIP P0SK601 P0SK602 P0SK603 P0SK604 P0SK605 P0SK606 P0SK607 P0SK608 P0SK609 P0SK60BO1 P0SK60BO2 P0SP101 P0SP201 P0SP301 P0SP401 P0SP501 P0SP601

40、 P0SP701 P0TestPoint101 P0TestPoint201 P0TS101 P0TS102 P0TS103 P0TS201 P0TS202 P0TS203 P0TS301 P0TS302 P0TS303 P0TS401 P0TS402 P0TS403 P0TS501 P0TS502 P0TS503 P0TS601 P0TS602 P0TS603 P0TS70B P0TS70C P0TS70D P0TS70E P0TS801 P0TS802 P0TS803 P0TS901 P0TS902 P0TS903 P0TS1001 P0TS1002 P0TS1003 P0TS110B P

41、0TS110C P0TS110D P0TS110E P0TS1201 P0TS1202 P0TS1203 P0U101 P0U102 P0U103 P0VR10BOT P0VR10TOP P0VR10WIPER P0VR20BOT P0VR20TOP P0VR20WIPER 1 1 2 2 3 3 4 4 DD CC BB AA 1 BLT Industries Newlyn Road Cradley Heath West Midlands B64 7QD. UK1 TF3 Way footswitch 9402 1 07/05/200410:19:41 9403_1.sch Title Si

42、ze:Number: Date: File: Revision: SheetofTime: A4 BLT Industries TubeFusion 3 Footswitch wiring G +5V LED1 LEDGreenLED2LED4 SW1ASW2A R1 1K R2 1K R4 1K SW3B G 123456 HD2 HD6WL +5V 123456 HD1 HD6WL All switches to be LATCHING type SW1BSW2B LED3 R3 1K ChannelD1/D2Reverb SW3A GG 1 5 69 SK1 DB09M Clean D1

43、D2 Reverb Channel = A0 D1/D2 = A2 FSCon = A1 GG Clean A0 active lo Drive A0 active Hi Drive1 A2 Active lo Drive2 A2 Active Hi PCB 9404 PCB 9403 LN1 0R0 LV300 SPARE PARTS LIST Laney v e e Model No. LV300 SPARES ITEMDESCRIPTIONPART No. Mains Transformer100V5600-2072B 120W 100V Mains Transformer006218

44、120V5600-2066B 120W 120V Mains Transformer006175 230V5600-2062B 120W 230V Mains Transformer006174 Reverb UnitOn 9401 PCB LoudspeakerCelestion 70 Eighty 8 Ohm51200 SwitchPower5A DPDT Rocker Switch530027 Mains Fuse100-120VT5A 20mm Spiral Wound005561 220-240VT2A 20mm Spiral Wound005526 CornerFront/Top

45、RH Stainless Steel Angled007140 Front/Top LHStainless Steel Angled007085 Back/FrontStainless Steel10048 Jack Sockets1/4 Jack Socket - Standoff Type - Mono005097 1/4 Jack Socket - Standoff Type - Mono - Gold005132 1/4 Jack Socket PCB Mount005002 PCBs9401Springline Replacment PCB Complete007164 939712

46、0W Output Module PCB Complete007004 Socket9 Way D type PCB Mount Header005099 9394Tube PCB Complete007173 9402LV300 Pre Amp PCB Complete007436 PotsVR1/5/6/8/9100K Log 6mm Spline004062 VR7100K Lin 6mm Spline004071 VR2/4220K Log 6mm Spline004078 VR102K2 Lin 6mm Spline004063 VR3/11/12/13 22K Lin 6mm Sp

47、line004061 SwitchSW42P2W Push Switch005017 SW1/2/3Piggyback Push Switch 4P2W Double005300 TubeECC83 Std005548 Tube BaseB9A Plastic Tube Base005579 BadgeLarge Laney Badge10056 Control KnobSmall Chicken Head005628 HandleStrap Handle (S/Steel Caps)007167 Mains Inlet SocketIEC Mains Inlet Socket Fused00

48、5005 FootswitchLVFS310026 Footswitch LeadFootswitch Lead (9W D type F/F)007393 Mains LeadCountry Dependant FeetScrew on Rubber Feet10059 Output / Safety Critical Device 1SAP15N Darlington Power (NPN) OBSOLETE003807 2SAP15P Darlington Power (PNP) OBSOLETE003808 1STD03N Darlington Power (NPN) Replacem

49、ent for abov 003817 2STD03P Darlington Power (PNP) Replacement for abov 003818 0R22 5% 5W Emitter Resistor (1 Reqd.for each STD De 007036 If you experience difficulty fitting, contact Laney service 34700uF 63V Radial Capacitor002006 4680R 6W Resistor001705 5T100mA Fuse005586 610K 5W Resistor001714 70.9A Poly Switch MFR090005103 Cabinet Minus LoudspeakerCarcass minus L/Speaker LV300007108 ManualLV300 User Manual007110 LV3