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DT830B数字万用表原理图直流电流档简化电路图.gif(12.59KB)V+d1d2d3c1c2c3b1b2b3a1a2a3f1f2f3g1g2g3e1e2e3bc4POLBPV-INTBUFCazIN-IN+COMCref-Cref+Vref+Vref-TESTOSC1OSC2OSC3LoBDEENINTENHOLDDP200DP20HVHVDP200DP200DP200DP200DP200DP20DP20DP20DP200120VCC9VBatteryVSSR17J470KΩR18J470KΩR19J470KΩBPR01J100KΩC1100pFC5100nFC3100nFR04J300KΩR03J1MΩC4100nFCOMC2100nFD——0.3%F——1.0%J——5.0%COM120DCVDCAOHM200mV2000mV20V200V1000VOFFAC750VAC200V200uA2000uA20mA200mA10AhFEDIODE200Ω2000Ω20KΩ200KΩ2000KΩR20J1.5KΩR02J220KΩR07F9KΩVR1200ΩR06F20KΩVCCR05F910ΩCOMVCCVCCR16D548KΩR15D352KΩR14D90KΩR13D9KΩR12D900ΩR11D100ΩR10D9ΩR24*FUSE500mA/250VD11N400712R080.01ΩCOMR09D0.99ΩCOMV+COMhFEEEEEEBCCBPNPNPNR23J220KΩR22J220KΩCOMCOMV/OHM/mA10AC61uF此为V形触片接触点，拨动旋钮时，各对应触点全部被接通。数字万用表DT830B原理图7106A123456789101112131415161718192021222324252627282930313233343536373839401234567891011121314151617181920212223242526272829303132BPBPBPBPPOLDP20DP200HVLoBa1a2a3b1b2b3c1c2c3d1d2d3e1e2e3f1f2f3g1g2g3bc4BPDP200DP20HVIC1abcdefg1234漳州市威华电子有限公司更多信息，请访问我们的网站：此线路图仅供参考，如有更改恕不另行通知插孔插孔插孔