Thd_bivalve_1_3_061605 电路图 维修原理图.pdf

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1、A A B B C C D D E E F F G G H H I I J J K K L L 11 22 33 44 55 66 77 THD BiValve-30 Schematic Version 1.3 06/16/05 This material is the property of and propriertary to THD Electronics, Ltd. and is not to be disclosed to others or used for other than authorized THD Electronics, Ltd. purposes without

2、the written permission of THD Electronics, Ltd. This material must be returned to THD Electronics, Ltd. when the holder no longer requires its use for authorized THD Electronics, Ltd. purposes. 1 2.2nF 630VDC C2 2 7 V3 F1 100K R3 3W 20K R10 1M A VOLUME SPEAKER 1 1 2 3 V1a 1/2 12AX7A 22pF C1 6 7 8 V1

3、b 1/2 12AX7A 825 R9 100K R8 1 2 3 V2a 1/2 12AX7A 100K R11 22nF C9 6 7 8 1/2 12AX7A V2b 100K R14 470 R15 10K R16 1M R17 0.68F 100VDC C16 630VDC 22nF C15 220KR18 3 5 4 8 V3 6L6/EL34/6550 10W 400 R21 330mF 100V C20 POWER 4 5 9 V2 4 5 9 V1 560F 400V C23 400V 560F C24 220K R27 220K R28 68K R2 1M R1 R54.7

4、K 470F 250VDC C18 250VDC 470F C19 220K R19 220K R20 R4 1M 250V 470pF C6 220pF C7 5K L ATTITUDE 220K R12 100K R13 1M A TREBLE 1M L BASS 470pF C10 6.8nF C11 6.8nF C13 470pF C12 3K 5W R22 0.68F 100V C3 35 L 25W ATTENUATOR C21 0.68F 100V LINE OUT 10KL LINE OUT LEVEL R26 100 STANDBY 12A LESS IMPEDANCE AT

5、TENUATOR 10W 2K R24 F2 LINE/INSTR R32 100 R25 4.7K DB1 R31 820 R6 220K R7 220K 220F 250V C4 250V 220F C5 MORE 12A 100V 2.2F C8 DB2 15000F 16V C28 Chassis Ground SENDRETURN 6.8nF C14 2 7 V4 ISO X NOISE REDUCTION LB1 #1818 1.5K R23 POWER X HI-V/LO-V OUTPUT X R23 4.7K 10W 400 R22 330mF 100V C21 3 5 4 8 6L6/EL34/6550 V4 3K 5W R30 F4 F5 R33 R34 D1 D2 SPEAKER 2 CUT C17470pF C26 .01F 1000V .01F 1000V C25 收音机爱好者资料库 Ra d i o Fa n s .CN