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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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PHILIPS PM5515 Pattern Generator: Display problem
Hi....I have an PHILIPS PATTERN GENERATOR, model: PM5515.
There is a problem with the display. Mostly it is dark, but sometime its working. When it's working, I can see that there are 2 segments out of order. I have looked everywhere for a new one, but I can't find it. The display is named: SI35035. Is there someone out there that know where I can find a new one (or a used, if its working). The display is a module, included a 34-bit Shift register/34-bit latches and 34 bit buffer/driver for the four 7-segments LED digit. The data is feed into the module with I2C (SDA and SCL). There is also a pin DISPLAY ENABLE, that open up the SDA-signal to the display. Service-manual is he https://doc.xdevs.com/doc/PHILIPS/PH...%20Service.pdf You can find the display at page # 39. Can someone help me solve this problem? Best regards from SWEDEN Bo-Lennart Karlsson |
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