Neo Geo AES: Difference between revisions

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== Disassembly Notes ==
== Disassembly Notes ==
 
[[File:PXL 20240207 140505684.jpg|thumb|Motherboard]]
[[File:PXL 20240315 184418818 1.jpg|thumb|Large capacitor]]
Some screws are under the stick-on feet. The screws holding the memory slot in need to be removed to lift the motherboard out.
Some screws are under the stick-on feet. The screws holding the memory slot in need to be removed to lift the motherboard out.


Line 186: Line 187:
|
|
|
|
|-
|103
|
|.01 uF
|
|TH
|
|
|
|
|Ceramic
|
|
|-
|104
|
|0.1 uF
|
|TH
|
|
|
|
|Ceramic
|
|
|-
|221
|5
|220 pF
|
|TH
|
|
|
|
|Ceramic
|
|
|-
|331
|
|330 pF
|
|TH
|
|
|
|
|Ceramic
|
|
|}
{| class="wikitable sortable"
|+Other Passive Component Specifications and [[Part Footprints|Footprint]] Information
!Part
!RefDes
!Qty
!Value
!Power
![[Part Footprints|Mount]]
!Temp
!Type
!Tolerance
|-
|Resistor
|3.9
|2
|3.9Ω
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|10
|1
|10Ω
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|68
|4
|68Ω
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|150
|3
|150Ω
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|220
|3
|220Ω
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|470
|3
|470Ω
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|1K
|7
|1KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|2.2K
|4
|2.2 KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|3.2K
|3
|3.2KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|3.9K
|3
|3.9KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|4.7K
|7
|4.7KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|6.8K
|7
|6.8 KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|8.2K
|3
|8.2KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|10K
|3
|10KΩ
|1/8W
|Through Hole
|
|
|
|-
|Resistor
|68K
|1
|68KΩ
|1/8W
|Through Hole
|
|
|
|-
|Crystal
|3.579545 MHz
|1
|3.579545 MHz
|
|Through Hole
|
|
|
|-
|Crystal
|24.167829 MHz
|1
|24.167829 MHz
|
|Through Hole
|
|
|
|}
{| class="wikitable"
|+Active Components
!RefDes
!Qty
!Part Number/Model Number
!Manufacturer (If Applicable)
!Explanation
!Datasheet
|-
|4558
|4
|4558D
|JRC (Japan Radio Company)
|General Purpose Op-Amp
|[https://www.ti.com/lit/ds/symlink/rc4558.pdf RC4558]
|-
|2066D
|1
|2066D
|JRC (Japan Radio Company)
|
|
|-
|YM2610
|1
|YM2610
|Yamaha
|6-Channel OP.FM, SSG & ADPCM sound generator
|[https://www.ajworld.net/neogeodev/ym2610am_en.html YM2610] / [http://furrtek.free.fr/noclass/neogeo/YM2610.pdf YM2610 (translated)]
|-
|YM3016
|1
|YM3016-D
|Yamaha
|2-Channel Serial/Binary DAC
|[https://wiki.neogeodev.org/images/d/d1/YM3016.pdf YM3016]
|-
|68000-12
|1
|HD68HC000PS12
|Hitachi
|68000-series Microprocessors
|[https://rocelec.widen.net/view/pdf/clennmgtq7/HD68HC000.pdf HD68HC000]
|-
|LS06
|1
|HD74LS06P
|Hitachi
|Hex Inverter Buffer/Driver
|[https://www.renesas.com/en/document/dst/hd74ls06-datasheet HD74LS06]
|-
|HC04
|2
|HD74HC04P
|Hitachi
|Hex Inverter
|[https://www.renesas.com/en/document/dst/hd74ls04hd74ls05-datasheet?r=526006 HD74LS04]
|-
|HC32
|1
|HD74HC32P
|Hitachi
|Quad 2-Input Positive OR Gate
|[https://www.renesas.com/en/document/dst/hd74ls32-datasheet HD74LS32]
|-
|6116
|1
|BR216A-15L
|
|
|
|-
|Z80B
|1
|Z80B
|Sharp
|
|
|-
|531024
|1
|TC531024P-15
|Toshiba
|1 Megabit (65,536 Word x 16-Bit) CMOS Mask ROM
|[https://www.datasheetarchive.com/pdf/download/distributors/Datasheets-9/DSA-179962.pdf?h=e62bbbc761d5cc7894cc52fdfaeb1073%3Af31eacbe8dd41d804c24a485%3A3893a28854ac379735a922e94dba41e0 TC531024P-15]
|-
|HC259
|1
|HD74HC259P
|Hitachi
|8-Bit Addressable Latch
|[https://www.renesas.com/en/document/dst/hd74hc259-datasheet?r=524746 HD74LS259]
|-
|43256
|4
|CXK58257AM-10L
|Sony
|
|
|-
|5863
|2
|CXK5814P-35L
|Sony
|
|
|-
|531000
|1
|TC531000CP
|Toshiba
|1 Megabit (128K Word x 8-bit) CMOS Mask ROM
|[https://www.datasheetarchive.com/pdf/download/distributors/Datasheets-111/DSAP0022857.pdf?h=dbbcc62afe6525eb38a9d31a390f5728%3A825fd96c2378b08b9f7a123d0e2db044f4e932f286a8f42fb4767475e130d571fb7d77115f2e81616dfffc9266be03fb5a0fe5%3A258b19e91a2c42d8b923b9d56b39ab07 TC531000CP]
|-
|LS244
|1
|HD74LS244P
|Hitachi
|Octal Buffer/Line Driver/Line Reciever
|[https://www.renesas.com/en/document/dst/hd74ls244-datasheet?language=en HD74LS244]
|-
|AS04
|1
|SN74AS04N
|Texas Instruments
|Hex Inverter
|[https://www.ti.com/lit/ds/symlink/sn74as04.pdf?ts=1743270217249&ref_url=https%253A%252F%252Fwww.bing.com%252F SN74AS04]
|-
|CXA1145P
|1
|CXA1145P
|Sony
|RGB Encoder
|[https://wiki.console5.com/tw/images/f/fb/CXA1145PM.pdf CXA1145P]
|-
|LS05
|1
|HD74LS05P
|Hitachi
|Hex Inverter
|[https://download.datasheets.com/pdfs/2010/4/4/7/54/5/91/ren_/manual/rej03d0391_hd74ls04.pdf HD74LS05]
|-
|LS273
|2
|HD74LS273P
|Hitachi
|Octal D-Type Positive-Edge-Triggered Flip-Flops
|[https://www.renesas.com/en/document/dst/hd74ls273-datasheet?r=526696 HD74LS273]
|-
|4264
|2
|CXK5864BSP-10L
|Sony
|8192 word x 8-bit High Speed CMOS Static RAM
|[https://digchip.com/datasheets/download_datasheet.php?id=2709425&part-number=CXK5864BSP-10L CXK5864BSP-10L]
|}
|}
[[File:PXL 20240315 184503434 2.jpg|thumb|Capacitors 2]]
[[File:PXL 20240315 184521486 2.jpg|thumb|Capacitors 3]]


==Replacement Parts==
==Replacement Parts==
Line 203: Line 596:
These replace the 100uF caps for improved video quality.
These replace the 100uF caps for improved video quality.
Nichicon UVZ1A471MED1TD or Panasonic ECA0JM471
Nichicon UVZ1A471MED1TD or Panasonic ECA0JM471
|[https://eu.mouser.com/ProductDetail/Nichicon/UVZ1A471MED1TD?qs=%252BBf332I8m7%252B50eHwrCWj1A%3D%3D Mouser] [https://www.digikey.com/en/products/detail/nichicon/UVZ1A471MED1TD/4341991?s=N4IgTCBcDaIKoDUBaBGAggFgOwoLIFEARFAFUJAF0BfIA DigiKey]
|[https://eu.mouser.com/ProductDetail/Nichicon/UVZ1A471MED1TD?qs=%252BBf332I8m7%252B50eHwrCWj1A%3D%3D Mouser] [https://www.digikey.com/en/products/detail/nichicon/UVZ1A471MED1TD/4341991?s=N4IgTCBcDaIKoDUBaBGAggFgOwoLIFEARFAFUJAF0BfIA DigiKey] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-10YXJ470MFFC-6-3X11_C3035347.html LCSC]
|-
|-
|
|
Line 210: Line 603:
Cannot be too tall or case will not close.
Cannot be too tall or case will not close.
Nichicon URS1C222MHD
Nichicon URS1C222MHD
|[https://www.mouser.co.uk/ProductDetail/Nichicon/URS1C222MHD?qs=jGeHhupGKhzl7%2FHS72tw3w%3D%3D Mouser][https://www.digikey.co.uk/en/products/detail/nichicon/URS1C222MHD/2538731 Digikey]
|[https://www.mouser.co.uk/ProductDetail/Nichicon/URS1C222MHD?qs=jGeHhupGKhzl7%2FHS72tw3w%3D%3D Mouser][https://www.digikey.co.uk/en/products/detail/nichicon/URS1C222MHD/2538731 Digikey] [https://www.lcsc.com/product-detail/Polymer-Aluminum-Capacitors_Honor-Elec-HT1C228M1016PC_C5438642.html LCSC]
|}
{| class="wikitable sortable"
|+Active Components
! RefDes
! Qty
! Compatible Part Number
! Order Links
|-
|4558
|4
|RC4558P
|[https://www.digikey.com/en/products/detail/texas-instruments/RC4558P/277060 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/RC4558P?qs=fvkeCqCHl3Bpd5r68oJCqQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Operational-Amplifier_Texas-Instruments-RC4558P_C80101.html?s_z=n_4558 LCSC]
|-
|LS06
|1
|SN74LS06N / XD74LS06
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74LS06N/563053 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS06N?qs=SL3LIuy2dWxveuP53QjSSQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Buffers-Drivers-Receivers-Transceivers_XINLUDA-XD74LS06_C513525.html?s_z=n_74LS06 LCSC]
|-
|HC04
|2
|SN74HC04N
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74HC04N/277212 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74HC04N?qs=L5CvrNUdZirrSGYiJvTylA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Inverters_Texas-Instruments-SN74HC04N_C2886.html?s_z=n_74HC04 LCSC]
|-
|HC32
|1
|SN74HC32N
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74HC32N/277235 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74HC32N?qs=tJ5HNKWh3OWs99bm2e8RtQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Logic-Gates_Texas-Instruments-SN74HC32N_C2894.html?s_z=n_74HC32 LCSC]
|-
|HC259
|1
|SN74HC259N / SN74HC259N(XBLW)
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74HC259N/376765 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74HC259N?qs=JS6RUWRH9DXJ7mWZk5zsYg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Latches_XBLW-SN74HC259N-XBLW_C18723519.html?s_z=n_74HC259 LCSC]
|-
|LS244
|1
|SN74LS244N / SN74LS244N(XBLW)
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74LS244N/277299 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS244N?qs=5WY7Uqh921ypecHduhX%252BiA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Buffers-Drivers-Receivers-Transceivers_XBLW-SN74LS244N-XBLW_C42451381.html?s_z=n_74LS244 LCSC]
|-
|AS04
|1
|SN74AS04N / SN74AS04DR
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74AS04N/277168 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74AS04N?qs=q81XD9WTF%252BLi73tEyWdxxQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Inverters_Texas-Instruments-SN74AS04DR_C2865196.html?s_z=n_74AS04 LCSC]
|-
|LS05
|1
|SN74LS05N / SN74LS05N(LX)
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74LS05N/277277?0=%2Fgates-and-inverters&any=logic&s=N4IgjCBcoGwJxVAYygMwIYBsDOBTANCAPZQDaIALGGABxwDsIAuoQA4AuUIAyuwE4BLAHYBzEAF9CAWgBMiECkj8ArgWJkQAVmaSQUhNAVQVakpHIQm43XPMh6FADLcADNqtA DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS05N?qs=spW5eSrOWB5U2y5XHWmnjA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Inverters_lingxingic-SN74LS05N-LX_C41349532.html?s_z=n_74LS05 LCSC]
|-
|LS273
|2
|SN74LS273N / SN74LS273N(LX)
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74LS273N/277303 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS273N?qs=DcvZ7Fltd5yuwihPzPUL0Q%3D%3D Mouser] [https://www.lcsc.com/product-detail/Flip-Flops_lingxingic-SN74LS273N-LX_C22374102.html?s_z=n_74LS273 LCSC]
|}
{| class="wikitable sortable"
|+Other Passive Components
! RefDes
! Qty
! Compatible Part Number
! Order Links
|-
|3.9
|2
|CR1/8W-3Ω9±5%-ST52
|DigiKey Mouser [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-3-9-5-ST52_C2897046.html LCSC]
|-
|10
|1
|CF18JT10R0 / CR1/8W-10Ω±5%-ST26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT10R0/1741560?s=N4IgTCBcDaIMIDECMAOAUgFSQBgErZAF0BfIA DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JT10R0?qs=FESYatJ8odIUkGA3CpWNnA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-10-5-ST26_C2896926.html LCSC]
|-
|68
|4
|CF18JT68R0 / RN55D68R1FB14 / MF1/8W-68Ω±1%-OT52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT68R0/1741755?s=N4IgTCBcDaIMIDECMAOAUgFQGwoEoAYQBdAXyA DigiKey] [https://www.mouser.com/ProductDetail/Vishay-Dale/RN55D68R1FB14?qs=sGAEpiMZZMsPqMdJzcrNwu0acJ8NjBqaRUdNriv8P3c%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-MF1-8W-68-1-OT52_C2848543.html LCSC]
|-
|150
|3
|CF18JT150R / CR1/8W-150Ω±5%-ST52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT150R/1741590?s=N4IgTCBcDaIMIDECMAOAUgFSQVgAwCUQBdAXyA DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JT150R?qs=FESYatJ8odLpZ3YFN5RYhQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-150-5-ST52_C2896940.html LCSC]
|-
|220
|3
|CF18JT220R / MF1/8W-220Ω±1%-ST52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT220R/1741639 DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JT220R?qs=FESYatJ8odK%252B7EqMAHEJGg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-MF1-8W-220-1-ST52_C2848572.html LCSC]
|-
|470
|3
|OJ4715E-R52 / MF0W8FF4700A50
|[https://www.digikey.com/en/products/detail/ohmite/OJ4715E-R52/5971990 DigiKey] [https://www.mouser.com/ProductDetail/Ohmite/OJ4715E-R52?qs=AkUtuiJmyfkI6X0%252BtJtBNw%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_UNI-ROYAL-Uniroyal-Elec-MF0W8FF4700A50_C18724334.html LCSC]
|-
|1K
|7
|CF18JT1K00 / CR1/8W-1K±5%-ST26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT1K00/1741612 DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JT1K00?qs=FESYatJ8odKWbuLm4OfeOQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-1K-5-ST26_C2896954.html LCSC]
|-
|2.2K
|4
|CF18JT2K20 / CR1/8W-2K2±5%-OT26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT2K20/1741619 DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JT2K20?qs=FESYatJ8odI68lyLTyt%2FOQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-2K2-5-OT26_C2896997.html LCSC]
|-
|3.2K
|3
|RN55C3201BB14 / MF1/8W ±1% 3K16 STB5
|DigiKey [https://www.mouser.com/ProductDetail/Vishay-Dale/RN55C3201BB14?qs=sGAEpiMZZMsPqMdJzcrNwvkdYAxQ3%2Fr%2FOzmLMsADvv4%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-MF1-8W-1-3K16-STB5_C337141.html LCSC]
|-
|3.9K
|3
|OJ3925E-R52 / CR1/8W-3K9±5%-ST26
|[https://www.digikey.com/en/products/detail/ohmite/OJ3925E-R52/5971985 DigiKey] [https://www.mouser.com/ProductDetail/Ohmite/OJ3925E-R52?qs=AkUtuiJmyfmBa57CbRspfg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-3K9-5-ST26_C2897044.html LCSC]
|-
|4.7K
|7
|CF18JT4K70 / CR1/8W-4K7±5%-ST52
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT4K70/1741708 DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JT4K70?qs=FESYatJ8odKkBqan7r3c2A%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-4K7-5-ST52_C2897063.html LCSC]
|-
|6.8K
|7
|CF18JT6K80 / CR1/8W-6K8±5%-ST26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT6K80/1741748 DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JA6K80?qs=IPgv5n7u5QZIM1YwQiPpZg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-6K8-5-ST26_C2897095.html LCSC]
|-
|8.2K
|3
|CF18JT8K20 / RN55D8201FRE6 / CR1/8W-8K2±5%-ST26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT8K20/1741774 DigiKey] [https://www.mouser.com/ProductDetail/Vishay-Dale/RN55D8201FRE6?qs=sGAEpiMZZMsPqMdJzcrNwswQzjnpe3s6N36DipuH0nI%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-8K2-5-ST26_C2897109.html LCSC]
|-
|10K
|3
|CF18JT10K0 / CR1/8W-10K±5%-OT26
|[https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT10K0/1741566 DigiKey] [https://www.mouser.com/ProductDetail/SEI-Stackpole/CF18JT10K0?qs=IPgv5n7u5QbAeqayqBXQtg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-10K-5-OT26_C2857411.html LCSC]
|-
|68K
|1
|OJ6835E-R52 / CR1/8W-68K±5%-ST52
|[https://www.digikey.com/en/products/detail/ohmite/OJ6835E-R52/5972007 DigiKey] [https://www.mouser.com/ProductDetail/Ohmite/OJ6835E-R52?qs=AkUtuiJmyflIM1tk3OX5nA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Through-Hole-Resistors_VO-CR1-8W-68K-5-ST52_C2897093.html LCSC]
|-
|3.579545 MHz
|1
|A-3.579545-18 / ECS-35-S-1X /
|[https://www.digikey.com/en/products/detail/raltron-electronics/A-3-579545-18/10271744 DigiKey] [https://www.mouser.com/ProductDetail/ECS/ECS-35-S-1X?qs=CNVyLAqdhH3RajNnZxGUjg%3D%3D Mouser]
|-
|24.167829 MHz
|1
|
|DigiKey Mouser LCSC
|}
|}
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''


== Related Links ==
== Related Links ==
[[File:PXL 20240315 184613450 4.jpg|thumb|Capacitors 4]]




Latest revision as of 23:23, 30 March 2025

For more information, see this article's corresponding Wikipedia page: Neo Geo.
This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:ReplacementParts category because it was flagged as missing information on replacement parts. If it has the original parts listed you may be able to search for replacements using the parametric searches available from parts distributors. If you have or make a list of replacement parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
Neo Geo AES
Preliminary Information
Release Year 1990
Leak Risk Medium
Batteries None
Mounting Technology Mostly TH, some SMD
Capacitor Types Aluminium electrolytic, ceramic
Destructive Entry No
Hardware Specifications
CPU 68000
Display Interface 15kHz RGB and composite
Power Requirements
Input Voltage 5V DC or 9V DC, depending on model
Power Connector Barrel jack 5.5x2.1mm, centre negative
note NOTE There are two versions of the AES with different input voltages (5 V and 9 V), as well as several motherboard revisions. Ensure power adapter voltage is correct.

The 5V models require a centre positive 5V supply, and while they have over-voltage protection they can still be damaged. The 9V versions require a centre positive 9V supply, and have an internal regulator that generates 5V. Most (all?) motherboards can be either type and can be changed over by removing and adding components.

Diagnostic BIOS original version: https://smkdan.eludevisibility.org/neo/diag/

Diagnostic BIOS updated fork: https://github.com/jwestfall69/neogeo-diag-bios

Note that both require a cartridge to be inserted to work.

Known Issues

Graphical glitches

Causes

  • Low voltage on power rails.

Solutions

  • Damaged power supply.
  • 5V over-voltage protection circuit failure (5V models).
  • Damaged switch mode regulator (9V models).

Solid colour screen

Causes

  • BIOS checks failed at power on.

Solutions

  • Blue screen - all checks OK, cartridge not inserted/faulty.
  • Red screen - work RAM error.
  • Green screen - palette RAM error.
  • Yellow screen - video RAM error.
  • Magenta screen - BIOS self check error (i.e. checksum).
  • Cyan screen - memory card error.

RAM types and locations: https://wiki.neogeodev.org/index.php?title=RAM_chip

Disassembly Notes

Motherboard
Large capacitor

Some screws are under the stick-on feet. The screws holding the memory slot in need to be removed to lift the motherboard out.

AES3-5 schematic (reproduction): https://github.com/Board-Folk/NeoGeoAES-3.5

Some original schematics: https://wiki.neogeodev.org/index.php?title=Schematics

Original Parts

NEO-AES3-4 Motherboard

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
1 2200 µF 16V TH 16mm 16mm 7.5mm 0 °C Electrolytic TK
1 470 µF 16V TH 16mm Electrolytic
2 220 µF 10V TH 16mm Electrolytic
7 100 µF 10V TH 7mm Electrolytic
1 47 µF 16V TH 5mm 2.54mm Electrolytic
3 22 µF 10V TH 5mm 2.54mm Electrolytic
5 10 µF 16V TH 5mm 2.54mm Electrolytic
7 4.7 µF 16V TH 5mm 2.54mm Electrolytic
4 1 µF 50V TH 5mm 2.54mm Electrolytic
103 .01 uF TH Ceramic
104 0.1 uF TH Ceramic
221 5 220 pF TH Ceramic
331 330 pF TH Ceramic
Other Passive Component Specifications and Footprint Information
Part RefDes Qty Value Power Mount Temp Type Tolerance
Resistor 3.9 2 3.9Ω 1/8W Through Hole
Resistor 10 1 10Ω 1/8W Through Hole
Resistor 68 4 68Ω 1/8W Through Hole
Resistor 150 3 150Ω 1/8W Through Hole
Resistor 220 3 220Ω 1/8W Through Hole
Resistor 470 3 470Ω 1/8W Through Hole
Resistor 1K 7 1KΩ 1/8W Through Hole
Resistor 2.2K 4 2.2 KΩ 1/8W Through Hole
Resistor 3.2K 3 3.2KΩ 1/8W Through Hole
Resistor 3.9K 3 3.9KΩ 1/8W Through Hole
Resistor 4.7K 7 4.7KΩ 1/8W Through Hole
Resistor 6.8K 7 6.8 KΩ 1/8W Through Hole
Resistor 8.2K 3 8.2KΩ 1/8W Through Hole
Resistor 10K 3 10KΩ 1/8W Through Hole
Resistor 68K 1 68KΩ 1/8W Through Hole
Crystal 3.579545 MHz 1 3.579545 MHz Through Hole
Crystal 24.167829 MHz 1 24.167829 MHz Through Hole
Active Components
RefDes Qty Part Number/Model Number Manufacturer (If Applicable) Explanation Datasheet
4558 4 4558D JRC (Japan Radio Company) General Purpose Op-Amp RC4558
2066D 1 2066D JRC (Japan Radio Company)
YM2610 1 YM2610 Yamaha 6-Channel OP.FM, SSG & ADPCM sound generator YM2610 / YM2610 (translated)
YM3016 1 YM3016-D Yamaha 2-Channel Serial/Binary DAC YM3016
68000-12 1 HD68HC000PS12 Hitachi 68000-series Microprocessors HD68HC000
LS06 1 HD74LS06P Hitachi Hex Inverter Buffer/Driver HD74LS06
HC04 2 HD74HC04P Hitachi Hex Inverter HD74LS04
HC32 1 HD74HC32P Hitachi Quad 2-Input Positive OR Gate HD74LS32
6116 1 BR216A-15L
Z80B 1 Z80B Sharp
531024 1 TC531024P-15 Toshiba 1 Megabit (65,536 Word x 16-Bit) CMOS Mask ROM TC531024P-15
HC259 1 HD74HC259P Hitachi 8-Bit Addressable Latch HD74LS259
43256 4 CXK58257AM-10L Sony
5863 2 CXK5814P-35L Sony
531000 1 TC531000CP Toshiba 1 Megabit (128K Word x 8-bit) CMOS Mask ROM TC531000CP
LS244 1 HD74LS244P Hitachi Octal Buffer/Line Driver/Line Reciever HD74LS244
AS04 1 SN74AS04N Texas Instruments Hex Inverter SN74AS04
CXA1145P 1 CXA1145P Sony RGB Encoder CXA1145P
LS05 1 HD74LS05P Hitachi Hex Inverter HD74LS05
LS273 2 HD74LS273P Hitachi Octal D-Type Positive-Edge-Triggered Flip-Flops HD74LS273
4264 2 CXK5864BSP-10L Sony 8192 word x 8-bit High Speed CMOS Static RAM CXK5864BSP-10L
Capacitors 2
Capacitors 3

Replacement Parts

NEO-AES3-4 Motherboard

Capacitors
RefDes Qty Compatible Part Number Order Links
5 470µF 10v, sized to fit near video port. Larger caps will not fit.

These replace the 100uF caps for improved video quality. Nichicon UVZ1A471MED1TD or Panasonic ECA0JM471

Mouser DigiKey LCSC
1 Correct size replacement.

Cannot be too tall or case will not close. Nichicon URS1C222MHD

MouserDigikey LCSC
Active Components
RefDes Qty Compatible Part Number Order Links
4558 4 RC4558P DigiKey Mouser LCSC
LS06 1 SN74LS06N / XD74LS06 DigiKey Mouser LCSC
HC04 2 SN74HC04N DigiKey Mouser LCSC
HC32 1 SN74HC32N DigiKey Mouser LCSC
HC259 1 SN74HC259N / SN74HC259N(XBLW) DigiKey Mouser LCSC
LS244 1 SN74LS244N / SN74LS244N(XBLW) DigiKey Mouser LCSC
AS04 1 SN74AS04N / SN74AS04DR DigiKey Mouser LCSC
LS05 1 SN74LS05N / SN74LS05N(LX) DigiKey Mouser LCSC
LS273 2 SN74LS273N / SN74LS273N(LX) DigiKey Mouser LCSC
Other Passive Components
RefDes Qty Compatible Part Number Order Links
3.9 2 CR1/8W-3Ω9±5%-ST52 DigiKey Mouser LCSC
10 1 CF18JT10R0 / CR1/8W-10Ω±5%-ST26 DigiKey Mouser LCSC
68 4 CF18JT68R0 / RN55D68R1FB14 / MF1/8W-68Ω±1%-OT52 DigiKey Mouser LCSC
150 3 CF18JT150R / CR1/8W-150Ω±5%-ST52 DigiKey Mouser LCSC
220 3 CF18JT220R / MF1/8W-220Ω±1%-ST52 DigiKey Mouser LCSC
470 3 OJ4715E-R52 / MF0W8FF4700A50 DigiKey Mouser LCSC
1K 7 CF18JT1K00 / CR1/8W-1K±5%-ST26 DigiKey Mouser LCSC
2.2K 4 CF18JT2K20 / CR1/8W-2K2±5%-OT26 DigiKey Mouser LCSC
3.2K 3 RN55C3201BB14 / MF1/8W ±1% 3K16 STB5 DigiKey Mouser LCSC
3.9K 3 OJ3925E-R52 / CR1/8W-3K9±5%-ST26 DigiKey Mouser LCSC
4.7K 7 CF18JT4K70 / CR1/8W-4K7±5%-ST52 DigiKey Mouser LCSC
6.8K 7 CF18JT6K80 / CR1/8W-6K8±5%-ST26 DigiKey Mouser LCSC
8.2K 3 CF18JT8K20 / RN55D8201FRE6 / CR1/8W-8K2±5%-ST26 DigiKey Mouser LCSC
10K 3 CF18JT10K0 / CR1/8W-10K±5%-OT26 DigiKey Mouser LCSC
68K 1 OJ6835E-R52 / CR1/8W-68K±5%-ST52 DigiKey Mouser LCSC
3.579545 MHz 1 A-3.579545-18 / ECS-35-S-1X / DigiKey Mouser
24.167829 MHz 1 DigiKey Mouser LCSC


If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Related Links

Capacitors 4


References

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