Saturn:Super Prologue 21 Model SKC-3000

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Super Prologue 21 Recommended Maintenance

Super Prologue 21 is a Saturn built into a Kareoke machine with a VA0 Saturn motherboard. There is a messy wiring harness system inside the Prologue unit with total disassembly required to access the CD-ROM drive which is a common failure point. It is recommended to take photos on your phone overdocumenting your disassembly process in order to reduce pain in reassembly. It is also recommended to unplug, from wiring harnesses, ONE card at a time for recapping.

Main motherboard is a normal VA0 Saturn motherboard with modification to the cartridge slot; the cartridge slot is modified to accomodate the kareoke scsi card subsystem. FRAM modification can be applied. However a region free bios replacement is not recommended as the Saturn uses a unique EEPROM module compared to standard VA0-VA0.5 Saturn motherboards.


Roland 01-HR-SE Harmony Board

Should have a Sega logo somewhere along with "SKZ-0001 835-12275".


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Roland Harmony Board 01-HR-SE
Capacitor Microfarad Voltage
C13 100uf 6v SMD
C14 100UF 6V SMD
C7 100UF 6V SMD
C100 10UF 16V SMD
C64 10UF 16V SMD
C51 10UF 25V
C98 10UF 25V
C48 10UF 16V SMD
C97 1UF 50V SMD
C96 1UF 50V SMD
C26 10UF 16V SMD
C62 10UF 25V
C66 10UF 25V
C63 10UF 25V
C71 100UF 6V SMD
C74 10UF 16V SMD
C35 10UF 16V SMD
C36 10UF 16V SMD
C54 10UF 25V
C55 10UF 25V
C32 10UF 25V
C94 10UF 25V
C52 10UF 16V SMD
C39 10UF 16V SMD
C85 10UF 16V SMD
C88 10UF 16V
C3 1UF 50V SMD