Laney_HCM160B_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 HCM160B 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 Setting

2、s.9395_2.SchDrawn By: HCM160B Bass Preamp 93952 119395_2.Sch Rich Thompson BLT Industries Revision History MJACK SK1 MJACKG SK2 Active Passive 1K R3 1M R5 10K R1 22K R4 270P 250V C7 4K7 R6 10K R7 100P 100V C8 10N 100V C3 TL072 U1B TL072 U1A TL072 U2A TL072 U4A TL072 U7A 100P 100V C6 G G +15V -15V 2U

3、2 63V C4 G 22KB6S VR1 G 10U 50V C5 2U2 63V C9 22K R9 470P 1KV C10 4U7 63V C14 GG GG To PCB 9378 Output PCB TL072 U5B 100R R14 GK +15V G G GG 2P2WPS SW1B 2P2WPS SW1A LED3MMG D3 G G -15V G 2U2 63V C18 G G Compressor Switch Limiter Defeat -15V 4K7 R68 LED3MMR D16 G Power 22N 100V C25 15V ZD1.3W D13 15V

4、 ZD1.3W D11 +60V-60V G +60V-60V 100N 63V C1 100N 63V C2 G 100P 100V C11 22K R13 22K R21 100R R15 22K R11 22K R8 22K R39 100K R24 10K R26 BC237 TS1 3K3 R19 1K R30 BC307 TS2 470K R33 10K R34 100K R52 100K R53 100K R43 100K R44 33K R41 47P 50V C23 TL072 U5A 820R R38 820R R36 2K2SM R35 2K2SM R37 2K2SM R

5、402K2SM R42 10K R324K7 R29 470P 1KV C17 22KB6SCD VR5 22KB6SCD VR3 220N 63V C19 47N 100V C21 47N 100V C22 G Treble Bass Gain 10U 50V C46 WIREPAD P1 G Electronic GND 4K7B6S VR6 G 10K R64 10K R65 470R R63 820R R62 470R R67 820R R66 21 3 XLR3M SK3 G DIRECT OUT +15V -15V G +60V -60V 4K7 R70 4K7 R69 G Tun

6、er Out Signal Out Limiter Signal CA3094 U3 10K R10 4K7 R25 22K R18 2N2 100V C12 47N 100V C15 220N 63V C16 33KSM R22 47KSM R20 47KSM R27 100R R28 22KB6S VR2 TL072 U2B 10K R16 10U 50V C13 G 56K R12 FP Flame proof resister Must only be replaced with same type and rating Indicates safety critical compon

7、ent Must only be replaced with approved type Enhance 10K R2 G +15V -15V +15V -15V 1N4148 D2 1N4148 D1 1N4148 D6 +15V -15V 1N4148D7 1N4148 D8 100KH VR4 0R0 LN14 0R0 LN20 0R0 LN2 TO HORN -V HORN ON/OFF MASTER VOLUME 1 2 3 4 5 6 7 8 9 10 HD2 G LED3MMG D4 3K3 R17 -15V2 Comp On G 0R0 LN1 4K7 R49 2P2WPS S

8、W2B GK 2U2 63V C24 100K R23 1K R46 BC307 TS3 470K R48 10K R47 1N4148 D9 Comp Level 1N4148 D5 10K R45 LED3MMR D12 G GK 2U2 63V C26 100K R56 10K R57 BC237 TS5 3K3 R58 1K R51 BC307 TS4 470K R54 10K R55 1N4148 D10 -15V -15V Limit Active G G 0R0 LN19 0R0 LN12 LA3607 U6 G2 470P 1KV C42 10U 50V C43 10U 50V

9、 C41 G2 +15V G2 8K2 R59 10K R31 2U2 63V C20 0R0 LN15 1 2 3 4 5 6 7 8 9 10 HD10W.5 HD1 G GJ GK 0R0 LN11 GG2 0R0 LN13 G 1 2 3 4 5 6 7 8 9 10 VR5 VR6 VR9 VR10 VR11 VR12 VR13 PCB 9382: SLIDER ASSY +15V -15V 0R0 LN17 0R0 LN16 GG 2U2 63V C29 1U 63V C33 0.47U 63V C32 68N 100V C30 10N 100V C27 100N 63V C40

10、22N 100V C38 10N 100V C37 4N7 100V C36 1N5 100V C35 680P 50V C34 33N 100V C31 68N 100V C39 220N 63V C28 470U 16V C44 470U 16V C45 15V ZD1.3W D15 15V ZD1.3W D14 680R 5W R60 680R 5W R61 0R0 LN3 -15V +15V +15V -15V 0R0 LN18 0R0 LN10 0R0 LN6 0R0 LN5 -15V -15V2 -15V GH GHGG 0R0 LN7 0R0 LN4 0R0 LN8 0R0 LN

11、9 GGJGK NOT FITTED TO HCM160B MODEL R T 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 Title NumberRevisionSize A3 Date:23/10/2003Sheet of File:D:9378_29378.SchDrawn By: R2/R3 OUTPUT 93782 119378.Sch Rich Thompson BLT Industries G +45V -45V Extension Loudspeaker G FP Flame proof

12、 resister Must only be replaced with same type and rating Indicates safety critical component 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

13、) ChassisTransformer Primary AC Line(Live) AC Input (Neutral) These items not on pcb IEC Inlet Fuse Integral to IEC 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 G 1N 100V C2 G G MPSA92 TS1 MPSA92 TS3 MPSA92 TS2 MPS

14、A92 TS4 MPSA42 TS5 MPSA92 TS10 220R R7 100R R9 1K R8 330R R6 47U 50V C3 G 10K R15 100P 100V C4 22K R5 G 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

15、 1N4007 D5 G G 47N 100V C16 10R 2W5 R23 10R 2W5 R24 COIL20T L1 G +45V -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 MJACK SK4 0R0 LN3 0R0 LN6 TestPoint1 TestPoint2 Set VR5 to give 10mV across TP1 and TP2 NOTE: Refer to service manual b

16、efore adjusting bias preset BIAS ADJ 0R0 LN7 Gmu 1KH VR1 100R R1 100R R2 OFFSET ADJ 330R R16 47P 50V C7 0R0 LN5 Head Version Only! MJACK SK1 G Tuner Out Internal HF Driver 10R 11W R26 2U2 250V C17 SP5 To Horn +V From Preamp 9377/9379 SP2 + - To PCB 9377/9379 Output PCB +45V-45V2 Limiter Signal 1 2 3

17、 4 5 6 7 8 9 10 HD1 G G 47K R25 MJACK SK3 MJACKG SK2 FX Send FX Return Gc Gc Items within dashed Lines are on a seperate Crack-off pcb Gc 1 2 3 4 5 6 7 8 9 10 HD10W.5 HD2 HORN SWITCH Gc 0R0 LN1 0R0 LN2 0R0 LN8 0R0 LN9 -45V2 -45V2 0R22 5W R14 0R22 5W R21 0R0 LN4 SPADE4.8 SP4 SPADE4.8 SP6 G Internal Loudspeaker Transformer Part Number 120V = 5600-2052B 230V = 5600-2050B RadioFans.CN 收音机爱 好者资料库