Canon EOS 5D Mark II - EOS 5D Mark II 21.1MP Full Frame CMOS Digital SLR..., Service Manual

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Repair Information
3
1.2 Power Current Consumption
Current Consumption Standards
Lens: EF 50mm f/1.8
Power source: Constant voltage 8.0 V, 0.40 Ω (No CF card installed)
Ambient conditions: Room temperature, normal humidity (below 60%)
Camera Status Standard Actual Measurement
Standby 150mA or lower Approx. 50mA
Lock 100 A or lower Approx. 41.4 A
SW1-ON 400mA or lower Approx. 111mA
＊ The Actual Measurement data is taken from the initial lot of mass production cameras. It may differ slightly with
subsequent lots.
＊Standby means the condition where the camera stands by while Main SW is on.
1.3 Residual Battery Display
Tool: Use a tool battery.
Power: Set the constant voltage to 8.0[V].
⑴Insert the tool battery into the camera.
⑵Turn on the main SW.
⑶ With SW1-On, slowly reduce the supply voltage gradually so that the display changes
through the battery indications and check that the switch points are within the specified
limits.
+
- + -
Constant-Voltage
Power Source
Digital MM or other
ammeter
Tool battery
To camera
Fig. 010
Fig. 011
7.88±0.2 V
7.68±0.2 V
7.38±0.2 V