tek_tds_070938603维修手册含电器原理图

Service ManualTektronixTDS 520B,540B,620B,TDS 644B,TDS 680B,TDS 684B,TDS 724A,TDS 744A,TDS 784ADigitizing Oscilloscope070-9386-03WarningThe servicing instructions are for use by qualifiedpersonnel only.To avoid personal injury,do notperform any servicing unless you are qualified todo so.Refer to the Safety Summary prior toperforming service.