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Hi everybody this week we replace the backlight in the display on the flagship Roland S770 sampler.
heres some background on the S770
The S-7XX series were the flagship models of Roland's digital sampler line-up of the early 1990's. Unlike previous S-series samplers, these featured 16-bit sampling at rates up to 48 KHz. Compared to the grittiness of the 12-bit S-550 and W-30, these have a clean, professional and warm sound quality. The S-750 features 2 Mbytes of sample memory (enough for about 22 seconds at 44.1 KHz), a floppy disk drive, an external SCSI bus for adding more drives, a very large built-in text/graphics LCD display, stereo input and output, six assignable analog outs, a mouse and external video monitor connections for enhanced control. The higher-end S-770 included an internal 40 Mbyte SCSI drive and S/PDIF outputs.
The S-750/770 features 24 voices of polyphony and 16-part multitimbrality, allowing many samples and voices to be layered. A patch can contain up to 8 layered or split samples. Each voice has a time-variant filter (TVF) and amplifier (TVA), each with its own 5-segment envelope, and a shared LFO. The resonant digital filter is multimode (low-pass, high-pass, band-pass) and uses the same excellent algorithm as the Roland D- and JD-series synthesizers.
thanks for watching the video hope this helps when you want to replace backlights
Here is the backlight link:
elpanelandtape...
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