Thd_bivalve_sch_1_0 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 1.0 04/07/03 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 C2 630VDC 2.2nF 2 7 V3 F1 R3 100K R10 20K 3W VOLUME 1M A SPEAKER 1 1 2 3 1/2 12AX7A V1a C122pF 6 7 8 1/2

3、 12AX7A V1b R9 825 R8 100K 1 2 3 1/2 12AX7A V2a R11 100K C9 22nF 6 7 8 V2b 1/2 12AX7A R14 100K R15 470 R16 10K R17 1M C16 100VDC 0.68F C15 22nF 630VDC R18 220K 3 5 4 8 6L6/EL34/6550 V3 R21 400 10W C20 100V 330mF POWER 4 5 9 V2 4 5 9 V1 C23 400V 560F C24 560F 400V R27 220K R28 220K R2 68K R1 1M 4.7K

4、R5 C18 250VDC 470F C19 470F 250VDC R19 220K R20 220K 1M R4 C6 470pF250V C7 220pF ATTITUDE 5K L R12 220K R13 100K TREBLE 1M A BASS 1M A C10 470pF C11 6.8nF C13 6.8nF C12 470pF R22 5W 3K C3 100V 0.68F ATTENUATOR 25W35 L 100V0.68F C21 LINE OUT LINE OUT LEVEL 10KL 100 R26 STANDBY LESS 12A IMPEDANCE ATTE

5、NUATOR R24 2K 10W F2 LINE/INSTR 100 R32 4.7K R25 F3 DB1 820 R31 220K R6 220K R7 C4 250V 220F C5 220F 250V 12A MORE C8 2.2F 100V DB2 C28 16V 15000F Chassis Ground SENDRETURN C26 6.8nF 2 7 V4 ISO X NOISE REDUCTION #1816 LB1 R23 1.5K POWER X HI-V/LO-V OUTPUT X 4.7K R23 DEV3 400 10W DEV4 100V 330mF 3 5 4 8 V4 6L6/EL34/6550 R30 5W3K F4 F5 R33 R34 D1 D2 SPEAKER 2 10nF C14 10nF C17 10W 10K R35 D4 D3 CUT 收音机爱好者资料库 Ra d i o Fa n s .CN