Bosch Al 1860 Cv Faulty Resistor Replacement Repair Guide

Difficulty

Moderate

Steps

7

Time Required

                          30 minutes            

Sections

1

• Faulty Resistor
• 7 steps

Flags

2

In Progress

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• BackBosch AL 1860 CV

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Introduction

Credits: https://www.eevblog.com/forum/beginners/…

Step 1

              Remove the AC plug               

• Remove the AC plug

Remove the AC plug

1024

Step 2

              Open the charger               

• Open the charger (remove 4 Philips screws)

Open the charger (remove 4 Philips screws)

Step 3

              Find Resistor R3               

• Localize resistor R3

Localize resistor R3

Step 4

              Remove circuit board from case               

• Detach the circuit board from the housing (4 plastic tabs)
• Caution: Capacitor (150uF/400V) may still be charged!!!

Detach the circuit board from the housing (4 plastic tabs)

Caution: Capacitor (150uF/400V) may still be charged!!!

Step 5

              Obtain new resistor               

• Obtain new 220k Ohm 2W resistor

Obtain new 220k Ohm 2W resistor

Step 6

              Desolder R3               

• Resistor R3 needs to be desoldered

Resistor R3 needs to be desoldered

Step 7

              Replace resistor R3               

• Solder resistor R3 in place

Solder resistor R3 in place

Follow the steps in reverse order to reassemble the device

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                                                                                      One other person completed this guide.                                             


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                    Thomas Zurbrügg                     

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