I was recently given this unit, along with another Behringer sound processor to repair, as the units were both displaying booting problems. This first one is a rather swish Mastering Processor, which has many features I’ll leave to Behringer to explain 😉 All the inputs are on the back of
This particular IC came out of a very old VHF band radio, from the early 90’s. The die was encased in a custom ceramic package, like every other IC in the radio, with a custom part number. I managed to identify it from the markings on the silicon. This was
Continue readingIC Decap: Motorola MC68HC11E9 8-Bit Microcontroller
This is the control unit for a Routemaster system, that downloads traffic information for the area local to the vehicle. Here is an overview of the unit, in it’s aluminium box. Here is the unit with the top cover removed, showing the pair of PCBs.
This is the teardown of a Zebra P330i plastic card printer, used for creating ID cards, membership cards, employee cards, etc. I got this as a faulty unit, which I will detail later on. This printer supports printing on plastic cards from 1-30mils thick, using dye sublimation & thermal transfer
Pocket sized GPS navigator. Here is shown the greyscale dot matrix LCD. Serial interface on the back of the unit. Pinout from left is +3v, Rx, Tx, GND. PCB Removed from the casing. RTC backup battery in the centre of board, CPU & flash ROM on the left. GPS chipset
Here is a cheap chinese made flash drive given out for free by Westlaw UK. Capacity 512MB Here is the PCB removed from the casing, USB connector on the left, followed by the clock crystal for the flash controller, a CBM2092, which is a Chipsbank part. 512MB flash memory IC,
Another phone from the mid 90s. This is the nokia 7110. Here the slider is open showing the keypad. Here the battery is removed, a Li-Ion unit. The battery cell & protection circuit removed from the casing. This is the rear of the PCB removed from the housing. Data &
Here is a phone from the mid 90s, the Ericsson GA628. Here visible is the front of the unit with keypad, & single line monochrome LCD for number display. Here the battery is removed from the phone, showing the SIM card socket. At the top under the antenna stub is