DIAGNOSIS AND REPAIR Although all functions work properly: the digits on the digital LCD display are very clear, even the light is nice and bright, but the watch does not make any sounds. What’s going on ? It may happen that your watch does not make any sound despite pressing…
Although the Dual Time ( Local Time ) function is rarely used, it is one of the most interesting functions. Why? Although the Dual time function is rarely used, it can be shown independently by both a Digital ( LCD ) watch and an 2nd Analog watch. The dual time…
It can happen that in your Citizen Ana Digi Temperature all the functions work properly but watch, despite the settings and sync with the official time begins to slow down or runs too fast ! This means that your watch requires minor adjustments within the Electronic Circuit Assembly itself. Fortunately,…
See Also > Adjusting Thermometer Adjusting Time Calendar until 2019 ? No problem ! Casio DB-310 Chime Function ON/OFF Dual Time Mode History of Ana Digi Temp How to recognize a Caliber Number How to replace the battery How to set Alarm Time How to set Calendar How to set…
Full Step-By-Step Instruction See Also > Adjusting Thermometer Adjusting Time Calendar until 2019 ? No problem ! Casio DB-310 Chime Function ON/OFF Dual Time Mode History of Ana Digi Temp How to recognize a Caliber Number How to replace the battery How to set Alarm…
1. LED Displays Technology History In the 1960s and 1970s, the introduction of Light Emitting Diode (LED) display technology revolutionized the landscape of pocket calculators and wristwatches, marking a significant advancement in consumer electronics. LED displays provided a clear, bright, and energy-efficient means of presenting numerical information, thus becoming a…
Citizen’s Analog Digital Temp Watches history dates back to the 1970s. Then the idea of building a watch that would combine the function of an analogue and a digital clock was born. Other companies also worked on such a watch in the 1970s. The Seiko H127-500 watch is a proof…
What is Chime Function ? Chime Function is a short single beep – which the watch buzzer produces. This signal can be heard at every full hour, that is, when minutes pass from “59” to position “00”. For example – when time passes from 11:59 to 12:00, etc. You can…
Believe it or not this watch consists of more than one hundred elements. The Schematic Diagram above ( 2200 x 2200 px ) shows the General Construction of the watch . The following Specification ( List of All Watch Functions ) has been prepared by me on the data sheet…
If you have an older LCD watch ( from the early eighties ), you’ll probably have a similar problem. Automatic calendar soon will stop properly show the days of the month and day of the week. With a simple reason – because it will end up. Whether it is at…