MOD RF: Difference between revisions
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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
Components as placed on non-solder side of board.
