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Sony FDL-220R Watchman Speaker Replacement

A bad mono-speaker can lead to distorted or no audio on the Sony FDL-220R Watchman. This guide will show you how to replace the mono speaker in order to fix the device's sound.

  • Author: Sam Putnam
  • Time estimate: 30 minutes
  • Difficulty: Difficult

This guide will outline how to replace the Sony FDL-220R Watchman mono-speaker. Steps include a thorough disassembly of the Sony FDL-220R Watchman, and tools include a Phillips #00 Screwdriver, soldering station, and tweezers.

Knowledge of how to solder a basic through-hole contact is required.

Step 1 Remove battery cover and batteries  ¶ 

Press down on the textured area and push toward the bottom of the device. Gently remove the battery cover.

Step 1 Remove battery cover and batteries  ¶ 

  • Press down on the textured area and push toward the bottom of the device.

  • Gently remove the battery cover.

  • Remove the three AA batteries.

Step 2 Remove screws  ¶ 

Locate the five 5x11mm screws surrounding the battery compartment. Remove screws with a Phillips #00 screwdriver.

Step 2 Remove screws  ¶ 

  • Locate the five 5x11mm screws surrounding the battery compartment.

  • Remove screws with a Phillips #00 screwdriver.

Step 3 Remove back casing  ¶ 

Grasp the entire back half of the Watchman's casing. Snap off the casing from the bottom of the device.

Step 3 Remove back casing  ¶ 

  • Grasp the entire back half of the Watchman's casing.

  • Snap off the casing from the bottom of the device.

  • Gently pull off entire back casing.

  • Buttons may fall out upon opening casing. See the button replacement guide to fix buttons.

Step 4 Remove circuit board  ¶ 

Carefully grasp the entire circuit board. Pull the circuit board off of the device's plastic casing. Pull the circuit board off of the device's plastic casing.

Step 4 Remove circuit board  ¶ 

  • Carefully grasp the entire circuit board.

  • Pull the circuit board off of the device's plastic casing.

Step 5 Remove speaker  ¶ 

Locate the mono-speaker on the device. Locate the two through-hole contacts to the right of the speaker. Touch a soldering iron to the two through-hole contacts.

Step 5 Remove speaker  ¶ 

  • Locate the mono-speaker on the device.

  • Locate the two through-hole contacts to the right of the speaker.

  • Touch a soldering iron to the two through-hole contacts.

  • While the solder is hot, pull down on the wire with tweezers.

  • It may be helpful to remove excess solder with a solder wick or sucker.