Trace-Elliot V6 Bass Amp Service Manual 电路图.pdf

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1、TRACE ELLIOT SERVICE MANUAL NO. SM00018 ISSUE 1 Date:October 28, 1996 Product Code :T0135 Model No :V-Type V6 Head Technical File No :TE00018 Issued by: Trace Elliot Limited. Blackwater Trading Estate The Causeway, Maldon Essex 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

2、机爱 好者资料库 C12-PCB-VTYP-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 R

3、17 R20 RES 1/2W 10K72-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-RM2

4、7K1R1 RES 1/4W 330K72-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 le

5、gs nearest IC1. CAP 10uF 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

6、C21 CAP 22N POLY BOX72-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 TRANS

7、ISTOR BC549C72-TBC549C1TR1 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、8-WAY HEADER 0.2”72-HEAD-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-002771Fro

9、m PL3 to 6.3V lamp N.B.1 The four 2-way headers are fitted with their small face to the left. This is with the pots facing you. PROCEDURE FOR BIASING V4/V6 ISSUE 1 PS 31/8/99 1) Connect BIAS KING valve plug/sockets to rear middle two valve sockets on amplifier chassis. 2) Insert matched set of KT88s

10、 into all positions. 3) Switch unit to Standby mode and allow valves to warm up for at least 1 minute. 4) During this time connect unit to appropriate load and set all controls to minimum. 5) Switch unit from Standby to fully On. 6) By observing the current read out on the LCD display of the BIAS KI

11、NG and switching between the two valves, adjust the quiescent cathode current to give 30mA (+/- 2mA) on each valve. The trim pots are accessible from the top of the chassis and can be adjusted using a trimmer tool. 7) Switch unit to Standby and then Off. 8) When cool enough remove BIAS KING from bet

12、ween valves and re-insert them into bases. 9) Turn to Standby again, warm up and then switch on. 10) Connect a signal generator to the INPUT and set up controls to give maximum power output. 11) Check that this is an acceptable power for the unit in question and that there is no excessive distortion. 2 12) Gently tap each valve with a screwdriver, signal on scope should remain stable.