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View topic - any idea please about PAL Master System II: IC BD M4Jr. PAL 2M 171-6395A ?

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brett05
  • Joined: 28 Aug 2023
  • Posts: 1
  • Location: tunisia
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any idea please about PAL Master System II: IC BD M4Jr. PAL 2M 171-6395A ?
Post Posted: Mon Aug 28, 2023 4:54 am
hi i have a PAL Master System II: IC BD M4Jr. PAL 2M 171-6395A and i have recap all capacitor it seem good with voltage on regulator for 5v vcc , just i do not have the rf cable then my tv do not have antenna ?

how can i mod to have rgb cable ( red-yellow-white).
it seem this version of 171-6395A to do have the ic sony ?

any help please or tutorial

thank u
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gorgyrip
  • Joined: 11 Mar 2006
  • Posts: 80
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Post Posted: Mon Aug 28, 2023 9:03 pm
brett05 wrote
hi i have a PAL Master System II: IC BD M4Jr. PAL 2M 171-6395A and i have recap all capacitor it seem good with voltage on regulator for 5v vcc , just i do not have the rf cable then my tv do not have antenna ?

how can i mod to have rgb cable ( red-yellow-white).
it seem this version of 171-6395A to do have the ic sony ?

any help please or tutorial

thank u


yellow, red, white is composite, not RGB.

https://www.smspower.org/masterful/rgb.html
Use only the composite part from the picture. Cap and resistor.
It doesn't matter if the encoder is sony or MB, the pin is the same.
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