Laney_MXD30_Schematic电路图.pdf
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Laney_MXD30_Schematic电路图.pdf
Newlyn Road, Cradley Heath, West Midlands. B64 6B www.laney.co.uk Laney Classic British Amplification MXD30 Service InformationService Information 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 EE DD CC BB AA Title NumberRevisionSize A2 Date:15/05/2003Sheet of File:C:Documents and Settings.9386_3.SchDrawn By: MXD30 93863 119386_3.Sch Rich Thompson BLT Industries Revision History 123 HD3WL HD4 10N 100VC43 2200U 25V C42 2200U 25V C41 47U 50V C2 47U 50V C1 100N 63V C27 100N 63V C26 15V ZD1.3W D10 15V ZD1.3W D9 1N4007D14 1N4007D13 1N4007D15 1N4007D16 G Mains Switch Mains In Black(Brown) Green/Yellow White (Blue) Chassis Transformer Primary AC Line(Live) AC Input (Neutral) These items not on pcb IEC Inlet 115V = T500mA 230V = T250mA 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 LED3MMR D17 4K7 R50 G -21V Power Led G FP Value: 100R 2W5FP R34 FP 100R 2W5FP R35 TDA2050 U5 +21V -21V 220N 63V C39 220N 63V C40 220N 63V C38 10K R42 G G 4R7 2W5 R44 G 12 HD2WL HD3 G 100K R38 G Loudspeaker + - 10U 50V C36 100R R40 1K R41 47R R43 0R47 2W5 R47 22N 100V C37 G G SJACK SK4 47N 100V C44 47R R49 470R R48 G G 22K R46 22K R45 1N4148 D12 1N4148 D11 1U 63V C34 1N 100V C35 +21V -21V CD/Line In G +5VDSP Programming Header PTA2/IRQ PTA0 PTA4 PTA1 PTA5/OSC 123456 HD2 123456 HD1 PTA3 +15V2-15V GND INOUT 7805 U4 G GG +5VDSP 100K R39 1 2 3 4 C 16PGRY SW3 G DSP Program Select FX Return FX Send (Fuse integral to IEC inlet 100N 63V C30 10U 50V C32 +21V +15V -21V Bot Top G PHONOSTV SK2 G MJACK SK1 SJACK SK3 47P 50V C6 10K R3 GG G G TL072 U1A 22K R1 4K7 R4 G +15V -15V 100N 63V C14 100K R14 12 CD4069UBE U2A 2N3819 Q3 100K R15 G 47K R16 1M R19 34 CD4069UBE U2B 100KA6SD VR2A 100KA6SD VR2B 100N 63V C18 220N 63V C15 G 1M R24 56 CD4069UBE U2C 98 CD4069UBE U2D 1M R21 47P 50V C16 3N3 50V C33 3K3 R36 220N 63V C31 220N 63V C25 100N 63V C28 22KB6S VR6 100KA6S VR4 2K2B6S VR5 G TL072 U3A -15V +15V 10K R29 10K R30 G 2P2WPS SW2A 10K R28 10K R32 15K R33 TL072 U3B GG 47N 100V C23 100KA6S VR3 G 100K R2 47P 50V C3 TL072 U1B 2N3819 Q1 G 1N4148 D3 1N4148 D8 G 100N 63V C8 1N 100V C10 100KA6S VR1 33K R5 2N3819 Q2 G 1N4148 D4 100N 63V C11 100K R8 100K R11 470K R9 10K R13 1K R7 3V9 ZD0.5W D7 2P2WPS SW1B 2P2WPS SW1A G -15V 2K2 R10 BC307 TS1 BC307 TS2 LED3MMG D5 -15V G G 100N 63V C9 G G G G 10K R6 -15V 1N4148 D2 1N4148 D1 +15V -15V 150K R17 270P 250V C4 Input Clean Channel Volume Drive Channel Treble Bass Mid Max On/Off Master Volume FootSwitch Channel Select Drive On +5V G 0R0 LN8 0R0 LN7 100K R23 100K R20 2N2 100V C19 22N 100V C22 100K R25 47P 50V C21 G 22N 100V C24 33K R37 4K7B6S VR7 G FX Level 220N 63V C5 22N 100V C7 100N 63V C13 4N7 100V C17 47K R18 22K R22 47N 100V C20 4K7 R31 22N 100V C29 1K R12 5V1 ZD0.5W D6 470U 16V C12 +5V G G +15V 100K R26 G 100K R27 0R0 LN6 Fuse 0R0 LN2 0R0 LN1 0R0 LN3 +15V 47P 50V C45 TL072 U6A G -15V +15V 100K R52 100K R51 1K R55 0R0 LN11 0R0 LN12 0R0 LN14 -15V 100R 2W5 R53 1M R54 4N7 100V C46 G RadioFans.CN 收音机爱 好者资料库
