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4.2 Power Board (02P6270)
Figure 4.2 Power board (02P6270)
Test Point
TP Name Measurings Remarks
TP1 +5 G See Chapter 5 Switching signal
TP2 +12VD See Chapter 5 +12 VD output of transformer before rectified
TP3 +12V See Chapter 5 +12 V output of transformer before rectified
TP4 +5V See Chapter 5 +5 V output of transformer before rectified
TP5 0V 0 voltage of switching regulator output circuit
TP6 GND 0 voltage of switching regulator output circuit
TP7 -VIN(P0V) Negative line of ship's main
TP8 -5V See Chapter 5 -5 V output of transformer before rectified
TP9 VTX H G See Chapter 5 Switching signal
TP10 -VIN(P0V) Negative line of ship's main
TP11
TP12 TO VTX H See Chapter 5 VTX H output of transformer before rectified
TP13 GND 0 voltage of switching regulator output circuit
TP14 VTX L See Chapter 5 VTX L output of transformer before rectified
TP15 -VIN(P0V) Negative line of ship's main
TP16 P CLK See Chapter 5 Power sync. signal
CR21
R69
TP17
TP18
TP15
R93
CR20
CR26
TP16
R86
TP25
TP28
TP26
TP27
CR19
TP12
TP9
TP10
CR10
R20
TP5
TP2
TP3
TP4
TP7
TP1
TP24
TP23
TP14
TP20
TP21
TP19
TP22
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