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100172979 Seagate Barracuda4 PCB
(PCB Swap, PCB Replacement, PCB Logic Board Sale, Buy PCB Circuit Board - HDDZone.com)
Doska elektroniky PCB pre pevný disk. Cena za 1ks.
Vhodné na opravy,diagnostoku, záchranu dát z poškodených diskov a pre foreznýchšpecialistov.
* WDC 1995, WDC96 62–602110–062, WD10C38-YU
* WDC 1996,621011A 3080T12CXP6 7442, WD61C30A-YK
* MAXTOR 301193100 VEGA III, A6DAA0605913CTH ER
* SG22580–101 REV.A, SAB-M3005–8D, 23400278–002
* WDC1995, WDC95 62–602200–002, WD10C38-YV
* WDC 1996, WDC97 62–602208–064,WD61C30A-YK
* ATHENA II/POKER, D1FBB, 2006205 CMY, Poker C6 040108200
*SG20109–100 REV.A, SAB-M3005–8D, 23400278–002
* 66G9718 D43406-A,442898C, 84G6094
* WDC 1995, WDC95 62–602110–002, WDC10C38-YV
* WDC 1996,WDC97 62–602210–076, 2.1GB
* QUANTUM 540S TB54S341 REV 04-B S590K, Quantum14–102092–05
* QUANTUM 800–08–97, EMMM1 94V-0, GMSC 6.406 01992
*MAXTOR 301306100 MIL.TNT V-3, B7DEA, 30017739
* WDC 1996, WDC9662–602220–072, V7142, 2.1GB
* MT1199E 0223-BRS, B041–00139A REV.00
Got the Ardweeny PCBs in! Just wrapping up documentation on the GVS shield first, then onto these. Hope to have them up late next week.
All the missing CPU signals made available at the edge connector for use by the VDU card etc. See PCB mod pictures for details of the other modifications.
PCB was nice - via www.twitxr.com/mobthink/updates/26749 - Location: 14825 front beach st, panama city beach
The PSU plug-in PCB contains 3 diodes. 2 form a biphase rectifer (with the larger capactor for smoothing) for the negative rails. The remaining diode and smaller capacitor are a halfwave circuit for the +20V rail. The -10V rail is simply the -20V rail with a series resistor, there is a zener diode to reglate it in the autodialer 201A itself.
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First test using the lasercuter to cut away the paint from the pcb and then etch the copper away with acids
The PCB has been freed from the housing this exposed a lot of corrosion which was cleaned up. The rear of the board itself had a lot of corrosion and a sticky substance around the rear of the IC logic chips. The board was scrubbed as hard as I dare with IPA to remove the gunk. At this point I noticed a date 15/02/1984 meaning the unit is 41 years old!