Category: Teardown

RCA Alarm Clock Tear Down

All components of the RCA Alarm clock
Components on the PCB’s

Components :

  1. Back cover ( Injection molded, Plastic )
  2. Front cover ( Injection molded, Plastic )
  3. Tinted Display Window
  4. Battery Cover
  5. Hour, Minute and snooze buttons ( Injection molded, plastic )
  6. On and Off switch ( Injection molded, Plastic )
  7. A02080 Main PCB and A02080 KEY PCB
  8. 13 Machine screws
  9. Control Buttons
  10. PCB Connector
  11. 10 Micro farad capacitor
  12. Crystal Oscillator
  13. Couldn’t Identify what that part is
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Nokia Lumia 520 Teardown

Specifications:

Before diving into the teardown, lets look at the specifications of the phone first.

Network Technology: GSM: HSPA

Body:

Dimensions: 119.9 x 64 x 9.9 mm , weight: 124 g, Build: Plastic body

Display: IPS LCD Capacitive touchscreen

Chipset: Qualcom: MSM8277 , GPU: Dual Core: 1.0 Ghz, GPU Adreno 305

Memory: Cardslot + 8GB Internal + 512MB RAM

COMMS: WLAN- 802.11/b/g/n, Bluetooth- 4.0 A2DP , GPS- Yes with GLONASS , Radio: FM Radio

Sensors: Accelerometer , proxomity

Battery: 1430 mAh BL-5J

Teardown

Nokia Lumia 520
The back of Lumia 520

Step 1: We star off by simply removing the back cover – no tools needed. The back cover is made from Injection Moulding.

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Musical Toy Teardown

Before tear-downing the musical toy…

DISASSEMBLY

  1. 2 batteries (size AA/ R6P 1.5 V)
  2. 2 pieces of top shell (plastic; green one with 5 support materials/ blue one with 6 support materials and 5 buttonholes)
  3. the battery box cover (plastic blue cover/ one screw hole on the top of it)
  4. 5 touch buttons (plastic/color of blue, orange and yellow)
  5. toy holder (plastic/ there are two parting lines in the middle )
  6. main body (plastic/ the battery box embed inside/ 4 support screws )
  7. the circuit board and light board (LED light board, circuit board (KC-5D), and round sound buzzer)
  8. 5*Internal+ 5*External support screws (metal)
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GameCube Controller Teardown

Disassembly

  1. External Casing Screws (proprietary screw head design, required custom screwdriver) – Metal, Machined
  2. Button caps – Plastic, Injection Molded
  3. Membranes for under button caps – Rubber, manufacturing method unknown
  4. C-stick cap and circuit – Plastic and PCB, Injection molded and printed
  5. Main circuit board and directional stick – PCB and plastic, Printed and injection molded (See note below)
  6. Internal support screws (Phillips head) – Metal, machined
  7. Internal support frames – Plastic, Injection molded
  8. R & L Triggers (Caps, springs, and pads) – Plastic and metal, injection molded and extruded
  9. Case, Front cover – Plastic, Injection Molded
  10. Case, Back cover – Plastic, Injection Molded
  11. Power/signal cord – Copper wires/Paracord/Plastic/Metal, Extruded/Woven/Injection molded/Machined

Note: The primary chip visible on the circuit board has an ID of “CNT-DOL BU9595k”, however I was unable to find a datasheet this chip, since it seems to be specific to this version of the GameCube controller. The only information I could find is that it is an Integrated Circuit Chip.

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