ocr: SERIAL PORT VIDEO BACKUP SYSTEM HARDWARE SCHEMATIC MODIFIED 1/12/93 DB 25 female Brought to you by: TECH & INDINAN JONES by ken Isley Note: This version of the circuit RXDATAH will not allow you to monitor the PIN 3 R1 - - 10k restore operation or use your Mon- had Much Note: modified no I easier use problem circuit to this w/ & build. it. simpler have Ken LF +12v Op-Amp 357 If why your itor - your to VCR's backup build have visually this location tape scan version (But the counters) of tape that's the for GND R21 m 1k - - L D time circuit to & time want plug to your monitor T.V. it into from ...
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