Twin Famicom

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IC Info

Power PCB: PWBF4785CEZZ


Main PCB: DUNTK4786DE


Disk PCB: SP-394HB


Capacitor List

Purchase these parts as a kit

Main PCB

C101	1uF	50v
C102	1uF	50v
C113	1uF	50v
C118	.47uF	50v
C120	10uF	16v
C123	.1uF	50v
C154	10uF	16v

Player 2 Controller
0.33uF	50v
47uF	6.3v

Power Supply PCB

Twin Famicom Power / AV PCB Cap Map
C201	2200uF	16v
C203	470uF	6.3v
C204	10uF	16v
C206	220uF	6.3v
C207	10uF	16v
C210	1uF	50v

Mitsumi Floppy Drive

C1	100uF	6.3v
C2	100uF	6.3v
C3	100uF	6.3v
C12	100uF	6.3v


Power Supply Pinout / Adjustments

R211: +5v adjust

  • Supply Connector J
    • 1 +5
    • 2 +5
    • 3 GND
    • 4 Video
    • 5 GND
    • 6 Audio ?
    • 7 Power Switch SW103
    • 8 Power Switch SW103


  • Supply Connector K
    • 1 -> Main PCB E11
    • 2 -> Main PCB E12
    • 3 -> Disk Drive pin 16
    • 4 -> Disk Drive pin 17

2 and 3 are common