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Pentax 77420 - Adjustment and Confirmation

Pentax 77420
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IV. Adjustment and Confirmation
*Following contents are adjustment and confirmation after complete [III. Assemble procedure of main body]
*[Preparation for adjustment] should be completed.
*[Caution] When execute adjustment with program software, each setting will be initialized.
1. [Confirmation] Confirmation for Battery consumption current
[Required equipment] DC coupler DC cable Power supply (DC8.3V/3A or above)
Circuit tester
[Caution] There are two kind of method for confirming Battery consumption current.
Depending on type of battery, select either method as followings.
*Select DC coupler with affix insulation tape or DC coupler without affix insulation tape.
Use DC coupler without affix insulation tape
: condition Using external power supply (AC
adaptor) or Lithium-ion battery (Set the power supply 8.3V)
For confirming, External power supply (AC adaptor)Lithium-ion battery
Use DC coupler with affix insulation tape
: conditionUsing AA batteries (Set the power supply 6.0V)
Method for checking
[Caution] Be sure to set the correct voltage. Do not mistake to set type of power source.
①Connect DC cable to the power supply and set DC6.0 or 8.3V (3A).
②Install DC coupler into battery chamber.
③Connect DC cable to DC coupler. Confirm that there must be neither short nor leakage.
[Caution]If there is short circuit, disconnect the power immediately.
④Turn on the power and release 3 times.
⑤[Confirmation] Turn off the power and confirm the battery consumption current. (Refer to below table)
⑥Confirm other current if necessary. (Refer to technical information)
Consumption current (Ave) Power (DC coupler/DC cable/Power
supply/DC6.0 / 8.3V)
Main SW/OFF 200μA or less*
Main SW/ON・・・ Meter OFF
400mA / 350mA
Meter ON
540mA / 500mA
* When replacing T100 (Before back-up battery is charged)
DC coupler and DC cable
I
nsulation tape

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