Marshall_2204_MV_Layout 电路图 维修手册.pdf

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1、OT A A Choke OT Choke Filament AC Filament CT Stock Heyboer 100W PT Primary Secondary CT 50/50 - - - - - - Note - Power transformer primary connections (Power Cord/IEC Socket, Mains Fuse, AC Switch Indicator Lamp) and OT secondary connections (OT Secondary Leads, Impedance Selector, Output Jacks) om

2、ited. Mains Filter 120v 220v 240v Common To Mains Fuse For US 120v tap to AC Switch 10k/2W8.2k/2W 10k/2W .022u .1u 470 47k / 27k 1M 1M 10k 100k 220k 82k 220k 15k 47p 10k/2W .022u .022u 47k 100k 1R 2W 1R 2W 1k 5W 1k 5W HV Secondary Standby 8/10u 8/10u 50/50 - - HT Fuse 220k Note - Actual wire colors

3、on transformers vary. PresenceBassMidsTreble .1u 1M-A 1M-A1M-A 250k-L25k-L25k-L .022u .022u .022u 470k 820 470k 100k 100k 100k 500p .68u 2.7k 10k/2W .022u Lo 470k * * * 500p Master Volume Preamp Volume 1M Hi 68k 4.7k *Note - Tone stack values vary. Use either 33k and 500p, or 56k and 250p. RadioFans.CN 收音机爱 好者资料库