Laney_TFX3_H_Twin_Service_Manual电路图.pdf
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1、Newlyn Road, Cradley Heath, West Midlands. B64 6B www.laney.co.uk Laney Classic British Amplification TFX3/H/Twin 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:11/12/2003Sheet of File:C:Documents and Set
2、tings.9390_6.schDrawn By: TFX2/3 PREAMP 93906 119390_6.sch Rich Thompson BLT Industries Revision History MJACK SK1 10N 100V C1 47PSM C27 10KSM R2 1MSM R4 G GG TL072SM U2B TL072SM U2A 4K7SM R6 G +15V -15V 4N7 100V C20 3K3SM R45 220N 63V C15 220N 63V C17 22KB6S VR11 100KA6S VR9 2K2B6S VR10 G 100KA6S V
3、R6 G SST177 Q5 220KSM R32 47PSM C34 TL072SM U5A G 1MSM R7 10KSM R8 47KSM R3 270PSM C3 100KSM R10 100N 63V C4 47N 100V C5 220KA6S VR4 220KA6S VR2 22KB6S VR3 G G G 100N 50VSM C28 100KA6S VR1 G +15V-15V BAS16 D3 BAS16 D2 +15V -15V 270PSM C29 Input Clean Channel Treble Mid Bass Treble Bass Mid Drive 1 V
4、olume 100N 50VSM C25 100N 50VSM C26 GG NOTE: All capacitors to be rated at 16V or higher NOTE: All resistors to be 1/4W unless otherwise stated TL072SM U4A 10KSM R28 15KSM R26 15KSM R30 2K2SM R23 22N 100V C11 4K7SM R29 22N 100V C13 G G 39KSM R25 Drive2 Scoop ON/OFF TL072SM U6B TL072SM U6A 6K8SM R46
5、10KSM R50 10KSM R49 33KSM R52 4K7SM R47 1N 100V C19 100PSM C41 100N 63V C42 330N 63V C22 G 4N7 100V C23 1N 100V C21 10KSM R48 10KSM R51 G 330N 63V C24 3K3SM R53 G 2P2WPS SW4A VIBE ON/OFF 100KSM R22 G COA 4P2WPSPB SW1A 470PSM C31 470PSM C30 BRIGHT ON/OFF 1 2 3 4 5 6 7 8 9 10 HD10W.5 HD4 G 2K2SM R55 2
6、U2 63V C16 100KSM R54 G +15V -15V COA 4P2WPSPB SW3A TL072SM U4B G 1KSM R27 1 21 HD2WLSJ HD1 G To Tube PCB 22N 100V C8 100KA6S VR5 100KB6S VR7 TL072SM U3B SST177 Q2 SST177 Q1 G LED3MMR LED4 LED3MMR LED6 LED5LED3 1KSM R16 470KSMR14 270PSM C7 DRIVE1 DRIVE2 1 21 HD2WLSJ HD3 G TL072SM U3A 10KSM R17 15KSM
7、 R15 15KSM R19 2K2SM R12 22N 100V C6 4K7SM R18 22N 100V C9 G G 39KSM R13 Drive1 Scoop ON/OFF 100KSM R20 G +15V -15V COA 4P2WPSPB SW2A G 100KA6S VR8 G Drive 2 Volume 100N 63V C10 100N 63V C14 47KSM R33 47KSM R37 SST177 Q3 SST177 Q7 CLEAN VOLUME 100KSM R40 FXSEND 10KSM R35 10KSM R31 47PSM C32 TL072SM
8、U5B G FXRETURN1 SST177 Q4 SST177 Q6 FXRETURN2 OUTPUT/FX/LOOP 4W LOOM TO FX SEND/LINE OUT FROM FX CONTROL PCB FXSEND FXRETURN1 FXRETURN2 G +5V CLEANFXFET DRIVEFXFET CLEANFXFET DRIVEFXFET CLEANFET DRIVE1FET DRIVE2FET COC 4P2WPSPB SW1C COC 4P2WPSPB SW2C COC 4P2WPSPB SW3C G G G LED3MMGHB LED1 LED3MMRHB
9、LED2 LED3MMRHB LED7 3K3SM R9 3K3SM R11 3K3SM R21 CLEANFET DRIVE1FET DRIVE2FET CLEAN CHANNEL DRIVE 1 SWITCH DRIVE 2 SWITCH DRIVE1FET DRIVE2FET 1KSM R41 100N 63V C36 GND INOUT LM7805 U1 +5V 100N 50VSM C40 10U 50V C18 +14V G 150K SM R44 100N 50VSM C39 G 150K SM R43 100N 50VSM C38 G 150K SM R42 100N 50V
10、SM C37 A5 A6 A7 100N 50VSM C33 100N 50VSM C35 100KSM R36 100KSM R38 G G 1 2 3 4 5 6 7 8 9 101 HD10WLSJ HD2 1KSM R24 +15V -15V +15V -15V G BR16BU BRKT1 SST177 Q8 100KSM R57 100N 50VSM C43 G G 100KSM R56 +5V MUTE 12 CD4069UBE U7A BC847B TS2 22KSM R69 10KSM R73 G +15V +15V G 10KSM R60 Clean Active 1312
11、 CD4069UBE U7F G 34 CD4069UBE U7B BC847B TS1 22KSM R68 10KSM R72 G +15V 10KSM R59 1110 CD4069UBE U7E G Drive 1 Active 56 CD4069UBE U7C BC847B TS3 22KSM R70 10KSM R74 G +15V 10KSM R64 98 CD4069UBE U7D G G SWITCH 10KSM R61 10KSM R63 +5V +5V +5V +5V +5V C LINES = ACTIVE LO Drive 2 Active 22KSM R66 2K2S
12、M R71 100N 63V C12 22KSM R5 0.47U 63V C2 22KSM R67 10KSM R58 G 3R3 2W5 R1 10U 50V C46 4K7SM R65 GGG 100KSM R75 G 100N 50VSM C47 G 0R0 LN1 Note: NOTE: TFX2 - FIT U1+R1. MISS OUT LN1+LN2 NOTE: TFX3 - FIT LN1+LN2, MISS OUT U1+R1 ITEMS WITHIN DASHED LINES ARE ON PCB 9394 1 2 HD2WL HD2 68K 0.5W R21 ECC83
13、 V1A ECC83 V1B 1KH VR10POLYSW0.9 F2 G SPADE4.8 SP3 SPADE4.8 SP4 22N 400V C13 2K2SM R17 820RSM R26 470K R24 470K R25 100K 0.5W R22 100K 0.5W R23 G G G G G 330N 63V C44 10U 400V C21 330N 63V C45 10U 400V C22 G 10U 400V C23 1K R62 1N4007 D7 LED3MMR LED5 HUM TRIM 1 2 HD2WL HD3 G TO PREAMP To Transformer
14、 10K 5W R27 4x 10K 5W R28 Caution High Voltage G SPADE4.8 SP2 G SPADE4.8 SP1 G Replace only with same type and rating T100mA L FUSEIN F1 1N4007 D3 1N4007 D4 G 1N4007 D5 1N4007 D6 4N7 1000V C24 4N7 1000V C25 4N7 1000V C27 4N7 1000V C26 470P 1KV C1 100N 50VSM C44 G 1MSM R34 100KSM R39 100KSM R62 G G 1
15、00KSM R76 G R42,R43,R44 100K330K R31,R35 100K10K C45,C48,C49 100N1uF Switch noise 1U 10VSM C45 1U 10VSM C48 1U 10VSM C49 Eliminate Link out R1 on TFX3, see CN0323 0R0 LN2 Note: R42,R43,R44 330K 150K, See CN0325 BAS16 D1 BAS16 D4 D1, D4 added. See CN0331 RadioFans.CN 收音机爱 好者资料库 1 1 2 2 3 3 4 4 5 5 6
16、6 7 7 8 8 DD CC BB AA Title NumberRevisionSize A3 Date:23/10/2003Sheet of File:D:9397_49397_4.SchDrawn By: TFX3 OUTPUT 93974 119397_4.Sch Rich Thompson BLT Industries G +45V -45V Extension Loudspeaker FP Flame proof resister Must only be replaced with same type and rating Indicates safety critical c
17、omponent Must only be replaced with approved type 4700U 63V C9 4700U 63V C12 AC AC -V +V 6A 200V BR1 SPADE4.8 SP2 SPADE4.8 SP3 SPADE4.8 SP1 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
18、IEC Inlet Fuse Integral to IEC Fuse MAINS FUSE 230V =T2A L, 115V = T5A L MAINS TRANSFORMER 1K R3 10K R4 2U2 63V C1 100U 25V C5 Gmu 2N3819 Q1 Gmu 3V9 ZD0.5W D2 3V9 ZD0.5W D1 Gi 1N 100V C2 Gi Gi MPSA92 TS1 MPSA92 TS3 MPSA92 TS2 MPSA92 TS4 MPSA42 TS5 MPSA92 TS10 220R R7 100R R9 1K R8 150R R6 47U 50V C3
19、 Gi 10K R15 100P 100V C4 100K R5 1N4148 D7 1N4148 D3 2K2 R10 MPSA92 TS6 220R R11 MPSA42 TS9 2U2 63V C11 SAP16N TS7 SAP16P TS11 330R R17 330RR20 6K8 R18 6K8R19 100N 63VC10 100N 63VC13 1N4148D6 1N4148D8 220R R22 470RH VR2 1N4007 D9 1N4007 D5 G G 47N 100V C16 10R 2W5 R23 10R 2W5 R24 COIL20T L1 G +45V -
20、45V 100N 63V C14 100N 63V C8 MPSA42 TS8 10K R12 33K R13 1U 63V C6 Gmu Gmu 1N4148 D4 Gmu 1N4007 D11 1N4007 D10 MJACKSJ SK4 0R0 LN3 0R0 LN6 TestPoint1 TestPoint2 Set VR2 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
21、 R2 OFFSET ADJ 220R R16 47P 50V C7 0R0 LN5 Head Version Only! TO PREAMP/FX/LOOP -15V+15V 1 2 3 4 5 6 7 8 9 10 HD1 MJACKGSJ SK2 FX RETURN Gi 0R0 LN8 0R0 LN9 -45V2 -45V2 0R22 5W R14 0R22 5W R21 0R0 LN4 SPADE4.8 SP4 SPADE4.8 SP6 Internal Loudspeaker 12V TO TUBE 200V TO TUBE PCB 9394 SP1/SP2 PCB 9394 SP
22、3/SP4 0R22 5W R29 G 220R R28 680R 5W R25 680R 5W R26 15V ZD1.3W D13 15V ZD1.3W D12 470U 16V C17 470U 16V C18 +15V -15V G G G Gi 0R0 LN10 TFXFS4 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 HD10W.5 HD2 Gc
23、TFX4 FOOTSWITCH Gc FX2 DRIVE1 DRIVE2 CLEAN FX1 1 5 69 DB09M SK6 MJACKSJ SK3 FX SEND Set VR1 to give 0mV across LS+, LS- Gi Gi 0R0 LN1 -45V2 100N 63V C19 +5V SPADE4.8 SP5 SPADE4.8 SP7 AC AC -V +V 1.5A 200V BR2 470U 16V C21GND INOUT LM7805 U1 10U 50V C20 G +5V 8V TO 5VDC SUPPLY PCB 9397 SP5/SP7 8V POL
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