Laney_LG35R_Service_Manual电路图.pdf

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1、www.laney.co.uk Service InformationService Information LG35R 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 30W GUITAR AMPLIFIER 93464 16/05/200614:54:12 9346_4.sch Title: Size:Number: Date: Original File: Revision: SheetofTime: A3 www

2、.laney.co.uk Industrial Estate West 123 HD4 HD3WL 10N 100VC43 2200U 25V C44 2200U 25V C45 47U 50V C47 47U 50V C46 D15 15V ZD1.3W D16 15V ZD1.3W D12 1N4007 D10 1N4007 D11 1N4007 D13 1N4007 G Mains Switch Mains In Black(Brown) Green/Yellow White (Blue) Chassis Transformer Primary AC Line(Live) AC Inpu

3、t (Neutral) These items not on pcb IEC Inlet 115V = T500mA L 230V = T250mA L MAINS TRANSFORMER FP Flame proof resister Must only be replaced with same type and rating Indicates safety critical component Must only be replaced with approved type G -15V2 +21V -21V D14 LED3MMR 4K7 R54 G -21V Power Led G

4、 FP Value: 100R 2W5FP R56 FP 100R 2W5FP R55 U5 TDA2050 +21V -21V 220N 63V C38 220N 63V C37 220N 63V C4 10K R42 G G 4R7 2W5 R51 G 12 HD3 HD2WL G G Int Loudspeaker + - 10U 50V C39 100R R47 1K R48 47R R49 0R47 2W5 R50 22N 100V C40 G G SK3 SJACK 47N 100V C42 47R R53 470R R52 G G 22K R45 22K R44 D8 1N414

5、8 D9 1N4148 1U 63V C35 1N 100V C36 +21V -21V CD/Line In (Fuse integral to IEC inlet +15V -21V Bot Top G SK5 PHONOSTV G SK1 MJACK SK4 SJACK 47P 50V C1 10K R1 GG G G U1A TL072 22K R2 4K7 R3 G +15V -15V 100N 63V C5 100K R5 12 U4A CD4069UBE TS1 2N3819 100K R6 G 47K R7 1M R9 34 U4B CD4069UBE 100KA6SD VR1

6、A 100KA6SD VR1B 100N 63V C9 220N 63V C10 G 1M R11 56 U4C CD4069UBE 98 U4D CD4069UBE 1M R14 47P 50V C14 3N3 50V C21 3K3 R26 220N 63V C22 220N 63V C23 100N 63V C24 22KB6S VR3 100KA6S VR4 2K2B6S VR5 G U2A TL072 -15V +15V 10K R16 10K R17 G SW1A 2P2WPS 10K R18 10K R21 15K R20 U3B U2 GG 47N 100V C23 100KA

7、6S VR2 G 100K R2447P 50V C20 U1B TL072 TS2 2N3819 G D4 1N4148 D3 1N4148 G 100N 63V C6 1N 100V C33 100KA6S VR7 33K R43 TS5 2N3819 G D7 1N4148 100N 63V C32 R42 R8 100K R11 470K R38 10K R36 1K R37 D5 3V9 ZD0.5W SW2B 2P2WPS SW2A 2P2WPS G -15V 2K2 R39 TS3 BC307 TS4 BC307 D6 LED3MMG -15V G G 100N 63V C31

8、G G G G 10K R41 -15V D1 1N4148 D2 1N4148 +15V -15V 150K R4 270P 250V C2 Input Clean Channel Volume Drive Channel Treble Bass Mid Max On/Off Master Volume FootSwitch Channel Select Drive On +5V G 100K R12 100K R13 2N2 100V C13 22N 100V C15 100K R15 47P 50V C16 G 22N 100V C17 33K R25 220N 63V C3 22N 1

9、00V C4 100N 63V C7 4N7 100V C8 47K R8 22K R10 47N 100V C12 4K7 R19 22N 100V C18 1K R57 D17 5V1 ZD0.5W 470U 16V C48 +5V G G +15V 100K R26 G 100K R23 Fuse -15V U3A TL072 U3B TL072 12 HD1 HD2WL 12 HD2 HD2WL R27 100R R28 22K R29 1K R30 39K C26 22nF C25 270pF C27 4.7nF C28 2.2nF C29 1uF R31 22K R33 1K R3

10、2 10K R34 1K VR6 4K7B R35 100K G G G G GG TO REVERB G G -15V +15V REVERB MODELS ONLY C30 100N 63V SK2 MJACK External Loudspeaker Headphones RadioFans.CN 收音机爱 好者资料库 LG35R SPARE PARTS LIST Laney Model No. LG35R 100V006177 115V006178 230V006179 005056 51014 SwitchPower530027 100-120V005566 220-240V0055

11、28 Front10052 Back10053 005098 005097 9346007016 VR2/4/7100K Log 6mm Spline004062 VR1100K Log 6mm Spline Dual004073 VR52K2 Lin 6mm Spline004063 VR64K7 Lin 6mm Spline004072 VR322K Lin 6mm Spline004061 SwitchSW1/22P2W Push Switch005017 Badge10009 005628 1501-0008 005005 005058 FS2E 10059 1003403 20020

12、03 3001504 4001507 5001502 007102 007103 SPARES ITEMDESCRIPTIONPART No. 5600-002135 30W 115V Mains Transformer 5600-002137 30W 230V Mains Transformer Reverb Unit220mm 2 Spring Reverb Unit Mains Transformer5600-002133 30W 100V Mains Transformer Loudspeaker10 4 Ohm 30W Guitar/Bass (HYD250ZZ-2) 5A DPDT

13、 Rocker Switch Mains FuseT500mA 20mm Spiral Wound T250mA 20mm Spiral Wound 1/4 Jack Socket - Standoff Type - Stereo 1/4 Jack Socket - Standoff Type - Mono Jack Sockets CornerPlastic Type Plastic Type PCBs30W Main PCB Complete Pots Small Laney Badge (100mm) Control KnobSmall Chicken Head HandleLG Bla

14、ck Strap Handle Mains Inlet SocketIEC Mains Inlet Socket Fused Phono SocketsStereo Vertical Phono Sockets FootswitchFS2 Mains LeadCountry Dependant FeetScrew on Rubber Feet Output / Safety Critical Device TDA2050V Audio Amplifier IC 2200uF 25V Radial Capacitor 100R 2.5W Resistor 0R47 2.5W Resistor 4R7 2.5W Resistor Cabinet Minus LoudspeakerCarcass minus L/Speaker LG35R ManualLG35R User Manual RadioFans.CN 收音机爱 好者资料库