Trace-Elliot V-Type 300W Bass Amp Service Manual 电路图.pdf

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1、TRACE ELLIOT SERVICE MANUAL DATE : December 29, 1999 Product Code: N/A Model Number : V-Type 300 watt Head & Combo Issued by: Trace Elliot Limited Blackwater Trading Estate The Causeway Maldon Essex England CM4 4GG RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 C12-PCB-VTYP-

2、C/Hx1. V-TYPE COMBO/HEAD PREAMP MAIN BOARD. ISSUE 1 INSERTION LIST. ANDY EWEN 11/8/98. DESCRIPTIONPART CODEQTYWHERE USED PCB PC00008 ISSUE 273-PCB-PC000081 ZENER DIODE 27V72-D-BZX55C27V1ZD1 DIODE72-D-IN400710D1-D10 RES 2.5W 4K772-RWW4K7-2.5W1R35 RES 2W 100K72-RC100K-2W4R8 R10 R17 R20 RES 1/2W 10K72-

3、RC10K-.5W2R9 R36 ZERO OHM LINK72-RCZERO28AS MARKED RES 1/4W 100K72-RM100K2R2 R5 RES 1/4W 100R72-RM100R1R40 RES 1/4W 10K72-RM10K1R24 RES 1/4W 10M72-RM10M1R14 RES 1/4W 150K72-RM150K1R23 RES 1/4W 1K572-RM1K53R6 R16 R18 RES 1/4W 1M72-RM1M7R3 R4 R7 R12 R15 R21 R22 RES 1/4W 27K72-RM27K1R1 RES 1/4W 330K72-

4、RM330K1R13 RES 1/4W 47K72-RM47K8R25-R32 RES 1/4W 560K72-RM560K1R11 RES 1/4W 560R72-RM560R2R33 R34 RES 1/4W 5K672-RM5K61R37 RES 1/4W 8K272-RM8K21R19 CAP 1uF POLY BOX72-C1-250VP1C2 CAP 1uF ELEC RADIAL72-C1-63VER2C14 C15 CAP 10uF ELEC RADIAL72-C10-35VER2MOD ACROSS R28 & R29 +ve legs nearest IC1. CAP 10

5、uF ELEC RADIAL72-C10-63VER2C16 C17 CAP 1000uF ELEC RAD.72-C1000-63VER1C22 CAP 100N POLY BOX72-C100N-250VP5C4 C24 C25 C26 C27 CAP 100P CER DISC72-C100P-100VCD22C18 C28 CAP 150P CER DISC72-C150P-50VCD1C8 CAP 200P Polystyrene72-C200P-630VPA1C3 CAP 22uF ELEC AXIAL72-C22-450VEA2C20 C21 CAP 22N POLY BOX72

6、-C22N-400VP2C12 C13 CAP 47uF ELEC RADIAL72-C47-63VER2C9 C10 CAP 470uF ELEC RAD.72-C470-63VER1C23 CAP 470N POLY BOX72-C470N-250VP1C11 CAP 47N POLY BOX72-C47N-100VP1C1 CAP 47N POLY BOX72-C47N-400VP2C5 C7 CAP 4N7 POLY BOX72-C4N7-400VP1C6 CAP 100uF ELEC RAD.72-CAP-100400V1C19 TRANSISTOR BC549C72-TBC549C

7、1TR1 8-WAY SOCKET72-SOCKET-8W1FOR IC1 IC RC4558P72-IC-RC4558P1IC1 POT A 1MEG73-POT-A1M1P1 POT A 250K73-POT-A250K2P2 P4 POT A 25K73-POT-A25K1P5 POT A25K PULL SWITCH73-POT-A25K-PS1P3 MINI TOGGLE SWITCH73-SWT-M-TGL-PCB4SW1 SW3 SW4 SW5 2-WAY HEADER 0.1”72-HEAD-2W4HP1-HP4 (SEE NB1) 8-WAY HEADER 0.2”72-HE

8、AD-8W1PL1 VALVE BASE 9-WAY73-VAL-SOCKET2VT1 VT2 XLR PLUG NEUTRIK73-XLR-PCB-M-N1XLR1 JACK SOCKETS72-SKT-JCKBNBG2SK1 SK2 FLYLEADC00-FLY-HEATER1ACROSS HP1-HP4 SIGNAL LEADLOOM-002751From L/0(F) to PC00009 SIGNAL LEADLOOM-002761From send/return to PC00009 LEAD FOR LAMPLOOM-002771From PL3 to 6.3V lamp N.B

9、.1 The four 2-way headers are fitted with their small face to the left. This is with the pots facing you. cd0086x4.sch-1 - Sat Dec 11 11:04:47 1999 Important Notice To make the bi-polar 300 watt bass board reliable the following guidelines must be adhered to. When a board need to be serviced it is a

10、dvisable to replace both the Output Transistors and TIP31 and TIP32. Also it is advisable to replace TR11 which is situated under the rear of the heatsink. The Output device should only be T2SC4468 and T2SA1695s The Drivers should be of the same manufacturer as each other to ensure stability. And TR

11、11 is a T2N3904 as listed on the parts list. TR11 need to be completely covered in Heat Transfer Compound (HTC) This is to ensure that it keeps the unit biased correctly even when the unit gets hot. If TR11 is not covered then the fan can cool this component down and give the board a fault reading o

12、f temperature and provide and inappropriate bias. When adjusting the bias on the scope, make sure that the crossover distortion is just not visible. Too far beyond this point will over bias the unit. Use a Shake-proof washer under the pcb earth point to ensure a permanent connection and prevent crackling noises in the future. Paul Mathews Jan 2000-01-25