Boss_sg1_slowgear_attackdelay 电路图 维修原理图.pdf

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1、+ + + + + - + + + + +4.5V+9V +4.5V +9V +4.5V +9V +9V + BOSS Slow Gear SG-1 Attack Delay 22k 22k 10 Cancel 22 Check 1k1M 1u 47p 47p 56k56k 56k 56k 47p47p 470k 100k100k 10 0.047 100k 100k 4.7k 4.7k 390k 0.001 1k 10 1M 3.9k 1u 220k 0.022 1k 100k Sensitivity IN 1k0.1 220k 10k 1u 22k1u 3.3k 47u 470k 1u1m

2、 1M 1u1m 10k 0.5u 1k1u 100k OUT 47k 10k trimmer, 25k? 20kAttack 2SC932 2SC932 = 2SK30A = 2SC1815 unless otherwise marked = silicon signal diode, 1N914 OK The SG-1 is an attack delay unit. A struck note is at first inaudible, then fades up, similar to a reversed tape recording. 30u 9V 1uf 1uf 1k 收音机爱好者资料库 Ra d i o Fa n s .CN