Laney_LX120H,_LX120_Twin_Service_Manual电路图.pdf

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1、www.laney.co.uk Service InformationService Information LX120H/LX120Twin 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 65W/120W GUITAR PREAMPLIFIER 93876 16/05/200616:26:39 9387_6.Sch Title: Size:Number: Date: Original File: Revision:

2、SheetofTime: A3 www.laney.co.uk Industrial Estate West SK1 MJACK SK3 SJACK 4N7 100V C4 47P 50V C2 10K R1 1M R2 GG G GG U1A TL072 U1B TL072 22K R4 4K7 R6 G +15v -15V 10N 100V C9 100N 63V C19 100K R19 12 147 U2A CD4069UBE Q2 2N3819 100K R18 10N 100V C17 G 47K R20 1M R24 34 U2B CD4069UBE 100KA6SD VR5A

3、100KA6SD VR5B 100N 63V C20 100N 63V C18 22N 100V C22 G 47K R22 1M R25 220K R26 56 U2C CD4069UBE 98 U2D CD4069UBE 1M R23 47P 50V C21 3N3 50V C32 3K3 R36 220N 63V C23 220N 63V C28 100N 63V C31 22KB6S VR9 100KA6S VR7 2K2B6S VR8 G U3A TL072 -15V +15V 10K R35 10K R33 SW2B 2P2WPS G SW2A 2P2WPS 10K R34 10K

4、 R32 10K R29 15K R30 15K R37 22K R31 100N 63VC25 4N7 100V C27 U3B TL072 GG 47N 100V C24 100KA6S VR6 G 220K R27 220K R3847P 50V C29 U4A TL072 Q3 2N3819 +15V -15V G 100K R40 100K R39 47P 50V C30 U4B TL072 G Bot Top G SK2 PHONOSTV 22K R43 D10 1N4148 D9 1N4148 +15V-15V D8 1N4148 D7 1N4148 G 100K R8 10K

5、R3 33K R5 3N3 50V C12 10K R9 220N 63V C14 220N 63V C13 100N 63V C10 22KB6S VR4 100KA6S VR2 2K2B6S VR3 G G G 100N 63V C8 1N 100V C5 100KA6S VR1 220K R7 Q1 2N3819 G D3 1N4148 100N 63V C11 100K R10 100K R14 470K R12 10K R16 1K R13 D4 3V9 ZD0.5W SW1B 2P2WPS SW1A 2P2WPS G -15V 2K2 R15 TS2 BC307 TS1 BC307

6、 D5 LED3MMG -15V G G 100N 63V C15 G G G G 22K R46 G 10K R11 -15V 22KB6S VR10 G 100K R41 123456 HD3 HD6WL 560R 5W R45 560R 5W R44 D12 15V ZD1.3W D11 15V ZD1.3W 47U 50V C36 47U 50V C37 +15V -15V GG GG G D1 1N4148 D2 1N4148 +15V -15V 2U2 63V C7 150K R21 1K R42 2U2 63V C35 100K R47 G 270P 250V C6 Input

7、Clean Channel Treble Mid Bass Drive Channel Treble Bass Mid Tape/CD In Max On/Off Master Volume DSP Level TO OUTPUT PCB 9353/9391 FootSwitch Channel Select Drive On G Line Out -15V 4K7 R49 D13 LED3MMR GPower 0R0 LN1 0R0 LN2 +15V 1K R17 D6 5V1 ZD0.5W G 470U 16V C16 G VDD VDD G 0R0 LN9 0R0 LN3 0R0 LN5

8、 0R0 LN8 0R0 LN7 100N 63V C3 100N 63V C1 G G 1N 100V C26 NOTE: All capacitors to be rated at 16V or higher NOTE: All resistors to be 1/4W unless otherwise stated 6K8 R28 0R0 LN6 G +5VDSP Programming Header PTA2/IRQ PTA0 PTA4 PTA1 PTA5/OSC 123456 HD2 123456 HD1 PTA3 +15V -15V 1 2 3 4 C SW3 16PGRY G D

9、SP Program Select FX Return FX Send GND INOUT U5 7805 G +5VDSP 100N 63V C34 10U 50V C33 FXSEND FXRETURN FXRETURN FXSEND SK4 MJACK G 0R0 LN12 0R0 LN11 0R0 LN10 +15VDSP 1K R50 330R 5W R51 D14 15V ZD1.3W G 10U 50V C38 100K R52 10K R48 G 0R0 LN14 0R0 LN15 0R0 LN16 Hard wire on top side of pcb AA NOTE: N

10、OTE: 65W PRODUCTS / R51 = 270R NOTE: 120W PRODUCTS / R51 = 330R Indicates safety critical component Must only be replaced with approved type 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 120W OUTPUT MODULE 93913 16/05/200616:16:41 939

11、1_3.Sch Title: Size:Number: Date: Original File: Revision: SheetofTime: A3 www.laney.co.uk Industrial Estate West 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 470

12、0U 63V C9 4700U 63V C12 AC AC -V +V BR1 6A 200V SP2 SPADE4.8 SP3 SPADE4.8 SP1 SPADE4.8 220N 250V C15 G 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 =

13、T2A L, 115V = T5A L MAINS TRANSFORMER 1K R3 10K R4 2U2 63V C1 100U 25V C5 Gmu Q1 2N3819 Gmu D2 3V9 ZD0.5W D1 3V9 ZD0.5W Gi 1N 100V C2 Gi Gi TS1 MPSA92 TS3 MPSA92 TS2 MPSA92 TS4 MPSA92 TS5 MPSA42 TS10 MPSA92 220R R7 100R R9 1K R8 100R R6 47U 50V C3 Gi 10K R15 100P 100V C4 100K R5 D7 1N4148 D3 1N4148

14、2K2 R10 TS6 MPSA92 220R R11 TS9 MPSA42 2U2 63V C11 TS7 SAP16N TS11 SAP16P 330R R17 330RR20 6K8 R18 6K8R19 100N 63VC10 100N 63VC13 D6 1N4148 D8 1N4148 220R R22 470RH VR2 D9 1N4007 D5 1N4007 G G 47N 100V C16 10R 2W5 R23 10R 2W5 R24 L1 COIL20T G +45V -45V 100N 63V C14 100N 63V C8 TS8 MPSA42 10K R12 33K

15、 R13 1U 63V C6 Gmu Gmu D4 1N4148 Gmu D11 1N4007 D10 1N4007 SK4 MJACKSJ 0R0 LN3 0R0 LN6 TestPoint1 TestPoint2 Set VR5 to give 20mV across TP1 and TP2 NOTE: Refer to service manual before adjusting bias preset BIAS ADJ 0R0 LN7 Gmu 1KH VR1 100R R1 100R R2 OFFSET ADJ 330R R16 47P 50V C7 0R0 LN5 Head Ver

16、sion Only! SK2 MJACKGSJ FX Send FX Return Gi 0R0 LN8 0R0 LN9 -45V2 -45V2 0R22 5W R14 0R22 5W R21 0R0 LN4 SP4 SPADE4.8 SP6 SPADE4.8 Internal Loudspeaker 0R22 5W R29 G 220R R28 10R 2W5 R25 10R 2W5 R26 +40V -40V G G Gi 0R0 LN10 HARDWIRED SOCKET Wired Direct to Output PCB 123456 HD1 HD6WL +40V-40V To Pr

17、eamp PCB G -45V2 120V = 5600-2052B 230V = 5600-2050B Mains Transformer 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 93914 20/12/200710:54:08 9391.SCHDOC Title: Size:Number: Date: Original File: Revision: SheetofTime: A3 www.laney.co.

18、uk Industrial Estate West 120W GUITAR OUTPUT PCB 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 SP

19、3 SPADE4.8 SP1 SPADE4.8 C15 220nF 250V G 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 C5

20、 100uF 25V Gmu Q1 2N3819 Gmu D2 3V9 0.5W D1 3V9 0.5W Gi C2 1nF Gi Gi TS1 MPSA92 TS3 MPSA92 TS2 MPSA92 TS4 MPSA92 TS5 MPSA42 TS10 MPSA92 R7 220R R9 100R R8 1K R6 100R C3 47uF Gi 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 33

21、0R R20330R R18 6K8 R196K8 C10100nF C13 100nF D61N4148 D8 1N4148 R22 220R 470RH 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 TS8 MPSA42 R12 10K R13 33K C6 1uF Gmu Gmu D4 1N4148 Gmu D11 1N4007 D10 1N4007 0R0 0R0 SK4 MJACK LN3 0R0 LN6 0R0 T

22、estPoint1 TestPoint2 Set VR5 to give 20mV across TP1 and TP2 NOTE: Refer to service manual before adjusting bias preset BIAS ADJ LN7 0R0 Gmu 1KH VR1 1K R1 100R R2 100R OFFSET ADJ R16 330R 47P 50V C7 47P 50V LN5 0R0 Head Version Only! SK2 MJACKG FX Send FX Return Gi LN8 0R0 LN9 0R0 -45V2 -45V2 R14 0R

23、22 5W R21 0R22 5W LN4 0R0 SP4 SPADE4.8 SP6 SPADE4.8 Internal Loudspeaker R29 0R22 5W G R28 220R R25 10R 2W5 R26 10R 2W5 +40V -40V G G Gi LN10 0R0 HARDWIRED SOCKET Wired Direct to Output PCB 123456 HD1 HD6WL +40V-40V To Preamp PCB G -45V2 XCLAM XCLAM 120V = 5600-2052B 230V = 5600-2050B Mains Transfor

24、mer P0BR10+V P0BR100V P0BR10AC1 P0BR10AC2 P0C10N P0C10P P0C201 P0C202 P0C30N P0C30P P0C401 P0C402 P0C50N P0C50P P0C60N P0C60P P0C701 P0C702 P0C801 P0C802 P0C90N P0C90P P0C1001 P0C1002 P0C110N P0C110P P0C120N P0C120P P0C1301 P0C1302 P0C1401 P0C1402 P0C1501 P0C1502 P0C1601 P0C1602 P0D10a P0D10k P0D20a

25、 P0D20k P0D30a P0D30k P0D40a P0D40k P0D50a P0D50k P0D60a P0D60k P0D70a P0D70k P0D80a P0D80k P0D90a P0D90k P0D100a P0D100k P0D110a P0D110k P0HD101 P0HD102 P0HD103 P0HD104 P0HD105 P0HD106 P0HS101 P0HS102 P0HS201 P0HS202 P0L101 P0L102 P0LN301 P0LN302 P0LN401 P0LN402 P0LN501 P0LN502 P0LN601 P0LN602 P0LN

26、701 P0LN702 P0LN801 P0LN802 P0LN901 P0LN902 P0LN1001 P0LN1002 P0Q101 P0Q102 P0Q103 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

27、1502 P0R1601 P0R1602 P0R1701 P0R1702 P0R1801 P0R1802 P0R1901 P0R1902 P0R2001 P0R2002 P0R2101 P0R2102 P0R2201 P0R2202 P0R2301 P0R2302 P0R2401 P0R2402 P0R2501 P0R2502 P0R2601 P0R2602 P0R2801 P0R2802 P0R2901 P0R2902 P0SK20GND P0SK20SWGND P0SK20SWTIP P0SK20TIP P0SK40GND P0SK40SWGND P0SK40SWTIP P0SK40TIP

28、 P0SP101 P0SP201 P0SP301 P0SP401 P0SP601 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 P0TS1

29、001 P0TS1002 P0TS1003 P0TS110B P0TS110C P0TS110D P0TS110E P0VR10BOT P0VR10TOP P0VR10WIPER P0VR20BOT P0VR20TOP P0VR20WIPER LX120H SPARE PARTS LIST Laney Model No. LX120H SPARES ITEMDESCRIPTIONPART No. Mains Transformer100V5600-2058B 120W 100V Mains Transformer006202 120V5600-2052B 120W 120V Mains Tra

30、nsformer006165 230V5600-2050B 120W 230V Mains Transformer006164 Reverb UnitOn PCB 9383 SwitchPower5A DPDT Rocker Switch530027 Mains Fuse100-120VT5A 20mm Spiral Wound005531 220-240VT2A 20mm Spiral Wound005526 CornerFront/BackBlack Non Hooked Type007035 Jack Sockets1/4 Jack Socket - Standoff Type - St

31、ereo005098 1/4 Jack Socket - Standoff Type - Mono - Gold005132 1/4 Jack Socket - Standoff Type - Mono005097 1/4 Jack Socket - Tagged10004 PCBs9387120W Pre Amp PCB Complete007006 PotsVR1/2/6/7/10 100K Log 6mm Spline004062 VR5100K Log 6mm Spline Dual004073 VR3/82K2 Lin 6mm Spline004063 VR4/922K Lin 6m

32、m Spline004061 SwitchSW1/22P2W Push Switch005017 9391120W Output Module PCB Complete007005 9383DSP PCB Complete007976 BadgeLarge Laney Badge10056 Control Knob1Small Chicken Head005628 2Small Chicken Head (Flatted for Effects control)005654 HandleBlack Strap Handle10100 Mains Inlet SocketIEC Mains In

33、let Socket Fused005005 Phono SocketsStereo Vertical Phono Sockets005058 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) Replacement for

34、 above003817 2STD03P Darlington Power (PNP) Replacement for above003818 0R22 5% 5W Emitter Resistor (1 Reqd.for each STD Device)007036 If you experience difficulty fitting, contact Laney service 34700uF 63V Radial Capacitor002006 4330R 5W Resistor001706 5560R 5W Resistor001710 Cabinet Minus Loudspea

35、kerCarcass plus fittings LX120H007117 ManualLX120H User Manual007118 LX120 TWIN SPARE PARTS LIST Laney Model No. LX120 Twin SPARES ITEMDESCRIPTIONPART No. Mains Transformer100V5600-2058B 120W 100V Mains Transformer006202 120V5600-2052B 120W 120V Mains Transformer006165 230V5600-2050B 120W 230V Mains

36、 Transformer006164 Reverb UnitOn PCB 9383 LoudspeakerCelestion 70 Eighty 16 Ohm51205 SwitchPower5A DPDT Rocker Switch530027 Mains Fuse100-120VT5A 20mm Spiral Wound005531 220-240VT2A 20mm Spiral Wound005526 CornerFront/Back Black Non Hooked Type007035 Jack Sockets1/4 Jack Socket - Standoff Type - Ste

37、reo005098 1/4 Jack Socket - Standoff type - Mono - Gold005132 1/4 Jack Socket - Standoff Type - Mono005097 1/4 Jack Socket - Tagged10004 PCBs9387120W Pre Amp PCB Complete007006 PotsVR1/2/6/7/10100K Log 6mm Spline004062 VR5100K Log 6mm Spline Dual004073 VR3/82K2 Lin 6mm Spline004063 VR4/922K Lin 6mm

38、Spline004061 SwitchSW1/22P2W Push Switch005017 9391120W Output Module PCB Complete007005 9383DSP PCB Complete007976 Badge1Large Laney Badge10056 2Extreme Badge007069 Control KnobSmall Chicken Head005628 HandleBlack Strap Handle10100 Mains Inlet SocketIEC Mains Inlet Socket Fused005005 Phono SocketsS

39、tereo Vertical Phono Sockets005058 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) Replacement for above003817 2STD03P Darlington Power

40、 (PNP) Replacement for above003818 0R22 5% 5W Emitter Resistor (1 Reqd.for each STD Device)007036 If you experience difficulty fitting, contact Laney service 34700uF 63V Radial Capacitor002006 4330R 5W Resistor001706 5560R 5W Resistor001710 Cabinet Minus LoudspeakerCarcass minus L/Speaker LX120Twin007119 ManualLX120Twin User Manual007120