Canon EOS 55 Service Manual page 97

Part 3: Repair Information
3. Dummy Battery Assembly
Constrnct this dummy battery assembly as shown from the Dummy Battery Pack
(CY9-7079-000) and Tool Battery Kit (CY9-7089-000). Do not substitute parts as the
set is matched to replicate the 0.83Q internal resistance of a 2CR5 battery.
(The diode and capacitor provide additional protection for the camera circuitry.)
Battery Terminal(+)
Solder leads to
battery terminals
Tie overhand knots in
the leads on both sides
of the components to
relieve strain.
Resistor (0.68!1)
The leads, banana clips and
resistor are supplied in a kit
(CY9-7089)
Battery Terminal(-)
Dummy Battery
(CY9-7079)
Black
Fig. 3-9 Dummy Battery Assembly
3-6
Zener Diode (10V)
Film can
Observe priority
Tantalum Capacitor
(47µF, 10V)