Difference between revisions of "MOD RF"

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*L4:  0.39H hand-wound inductor
 
*L4:  0.39H hand-wound inductor
 
*L6:  0.32H hand-wound inductor
 
*L6:  0.32H hand-wound inductor
 +
*L8:  220nH inductor
 
*L9:  68µH 20% inductor
 
*L9:  68µH 20% inductor
 +
*L?:  0.1H hand-wound inductor
 +
*Q1,Q4-5:  2SC1740 NPN transistor
 +
*Q2:  2SC461 NPN transistor (Must use VHF-capable speeds if substituting)
 +
*R7:  15K Ohms 5% resistor
 +
*R19:  1K Ohms 5% resistor
 +
*R20:  1.8K Ohms 5% resistor
 +
*R22:  10K Ohms 5% resistor
 +
*R24:  105 Ohms 5% resistor
 +
*R25:  82 Ohms 5% resistor
  
 
====Schematics====
 
====Schematics====

Revision as of 10:40, 12 October 2014

This is a description of the daughterboard attached to the main NES logic board with a 5-pin soldered header.

Versions

Alps

Parts List

Note: Surface-mount and uninstalled components are not listed

  • C19-20: R 472M 4700pF 2KV ceramic disc capacitors
  • C21: 2200µF 25V electrolytic capacitor
  • C23: 100µF 25V electrolytic capacitor
  • C25: 100µF 10V electrolytic capacitor
  • C29,C35: 1µF 50V electrolytic capacitors
  • C36: 10µF 16V electrolytic capacitor
  • D1-4: "N 8" rectifier diodes
  • L1: 2.2µH 20% inductor
  • L3: 0.48H hand-wound inductor
  • L4: 0.39H hand-wound inductor
  • L6: 0.32H hand-wound inductor
  • L8: 220nH inductor
  • L9: 68µH 20% inductor
  • L?: 0.1H hand-wound inductor
  • Q1,Q4-5: 2SC1740 NPN transistor
  • Q2: 2SC461 NPN transistor (Must use VHF-capable speeds if substituting)
  • R7: 15K Ohms 5% resistor
  • R19: 1K Ohms 5% resistor
  • R20: 1.8K Ohms 5% resistor
  • R22: 10K Ohms 5% resistor
  • R24: 105 Ohms 5% resistor
  • R25: 82 Ohms 5% resistor

Schematics

200pix Components as placed on non-solder side of board.

Mitsumi

Parts List

Schematics