M5 Jr. It constitutes the IC

• Z80A-CPU-D
• Z80A-CTC
• TMS9918ANL
  VIDEO CONTROLLER
• SN76489AN
  SOUND CHIP
• SORD GA015 B6101 8328e6
  ?
• HM6116P4 X 2
  Internal RAM 4kBytes
• HN61364P X 1
  BIOS?
• TMN416P-3 4116-3 8328ADA X 8
  V-RAM?
• X-TAL 10738.6kHz
• LS240N
• LS156N
• 40H240P
• Other... Condenser or diode, power source or RF modulator et cetera