Waveform - Mitsubishi Electric DY-2X64WT-2-TH Service Manual

WAVEFORM

MODEL : DY-2X64WT-2-TH
(Pin numbers are as measurement points.)
J802
(PCB-MAIN)
CH1=1pin (M-BUSY)
CH2=8pin (M-SCK)
CH3=2pin (M-DATA)
At the time of the M-BUS non-connection.
Vpp=4.8Vpp
Time shaft=100ms/div
Period (CH1)=700ms
CH1
CH2
CH3
At the time of the M-BUS non-connection.
Vpp=4.8Vpp
Time shaft=100ms/div
CH1
CH2
CH3
At the time of the M-BUS non-connection.
Vpp=4.8Vpp
Time shaft=50µs/div
CH1
CH2
CH3
IC801
(PCB-MAIN)
CH1=6pin (PLL/VOL CLK)
CH2=8pin (PLL/VOL DATA OUT)
CH3=5pin (PLL/VOL CE)
Vpp=5.0Vpp
At the time of power supply on.
Time shaft=50µs/div
CH1
CH2
CH3
IC801
(PCB-MAIN)
CH1=40pin (X2)
At the time of power supply on.
Vpp=0.3Vpp
Time shaft=500ns/div
Frequency (CH1)=8MHz
CH1
29
J803
(PCB-MAIN)
CH1=12pin (CD-DMTS, 3.3Vpp)
CH2=14pin (CD-DSTM, 3.3V)
CH3=15pin (CD-MTS, 3.3V)
CH4=16pin (CD-STM, 3.3V)
CH5=13pin (CD-CLK, 3.3V)
Time shaft=20µs/div
CH1
CH2
CH3
CH4
CH5
ETC001