这例故障类似第二种，也是音量电位器的问题。
This is similar to the second failure patients, but also the issue of the volume potentiometer.
之后的第一阶段，遵循rv1音量电位器，他们应该是非常好的品质。
Afterwards the first stage it follows the RV1 VOLUME potentiometer, which should they are very good quality.
秘密是一个小马达驱动的音量控制电位器通常会发现在音频家里系统。
The secret is a small motor actuated volume control potentiometer normally find in audio home systems.
应用推荐