Canon Cat (V777): Difference between revisions

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|Mounting Technology =Through Hole  
|Mounting Technology =Through Hole  
|Capacitor Types =  
|Capacitor Types =  
|Leak Risk = RIFA caps in power supply?
|Leak Risk = RIFA caps in power supply pose risk of sudden failure. Other PSU caps have been known to leak as well.
|Batteries = CR2023
|Batteries = CR2023
|Destructive Entry = No
|Destructive Entry = No
Line 18: Line 18:


===Symptom or Problem Encountered===
===Symptom or Problem Encountered===
Floppy disk drive is a proprietary model not interchangeable with any other known computer. Drive head mounting brackets have almost certainly failed. Damage will occur to drive if used with a broken bracket. Recommend inspecting drive and disconnecting to prevent use until plastic bracket is replaced.
====Causes====
====Causes====
*
*
Line 30: Line 32:


Six Phillips screws to remove metal shroud from motherboard assembly.
Six Phillips screws to remove metal shroud from motherboard assembly.
The power supply may have its serial number and build date on a paper label attached to capacitor C17. It will probably not be possible to remove this paper label without damaging it. Instead, after desoldering C17 cut the plastic shroud away from the capacitor and trim to the dimensions of the paper label. Attach the label to the outside of the PSU with double-sided tape for easy reference.
The power supply will have an important warning about a live heatsink attached to capacitor C6. It is not possible to remove this paper label without damaging it. Instead, after desoldering C6 cut the plastic shroud away from the capacitor and trim to the dimensions of the warning label. Attach the label to the outside of the PSU with double-sided tape for so that it can be easily seen.
== Original Parts ==
== Original Parts ==
=== Motherboard NH1-0300-035 ===
=== Motherboard NH1-0300-035 ===
Line 48: Line 57:
!Series
!Series
|-
|-
|C94
|C76, C94
|1
|1 µF
|50
|Radial
|
|
|
|
|
|
|
|-
|C76
|1
|1
|1 µF
|1 µF
Line 70: Line 66:
|
|
|
|
|
|Aluminum Electrolytic
|
|Panasonic
|
|
|-
|-
Line 83: Line 79:
|
|
|
|
|
|Aluminum Electrolytic
|
|
|
|
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|
|
|
|
|
|Aluminum Electrolytic
|
|
|
|
Line 109: Line 105:
|
|
|
|
|
|Aluminum Electrolytic
|
|Nichicon
|
|
|-
|-
Line 122: Line 118:
|
|
|
|
|
|Aluminum Electrolytic
|
|Rubycon
|
|
|-
|-
Line 135: Line 131:
|
|
|
|
|
|Aluminum Electrolytic
|
|
|
|
Line 148: Line 144:
|
|
|
|
|
|Aluminum Electrolytic
|
|Rubycon
|
|
|-
|-
Line 161: Line 157:
|
|
|
|
|
|Aluminum Electrolytic
|
|
|
|
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|
|
|
|
|
|Aluminum Electrolytic
|
|Rubycon
|
|
|-
|-
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|
|
|
|
|
|Aluminum Electrolytic
|
|Rubycon
|
|
|-
|-
Line 200: Line 196:
|
|
|
|
|Aluminum Electrolytic
|Rubycon
|
|}
{| class="wikitable sortable"
|+Integrated Circuits
!RefDes
!Qty
!Model
!Manufacturer
!Package
!Explanation
!Datasheet
|-
|PC1
|1
|PC733H
|Sharp
|DIP
|AC Input Photocoupler
|[https://media.digikey.com/pdf/Data%20Sheets/Sharp%20PDFs/PC733H.pdf PC733H]
|-
|IC10, IC32
|2
|HD74LS05P
|Hitachi
|DIP
|Hex Inverter with Open-Collector Output
|[https://www.ti.com/lit/ds/symlink/sn74ls05.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1712878985654&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Fsn74ls05 SN74LS05]
|-
|IC11
|1
|D4364C-15LL
|NEC
|DIP
|8192 x 8-Bit SRAM (CMOS)
|[https://download.datasheets.com/pdfs/2006/05/26/semi_ap/cs/nec/ds/upd4364c-15l.pdf uPD4364]
|-
|IC12
|1
|SN74128N
|Texas Instruments
|DIP
|Line Driver
|[https://www.ti.com/lit/ds/symlink/sn74128.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1712810042470&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Fsn74128 SN74128]
|-
|IC22, IC23, IC24, IC25, IC26, IC27, IC28, IC29,
|8
|MB81464-15
|
|DIP
|144-Bit DRAM
|[https://www.datasheetarchive.com/pdf/download/distributors/Datasheets-12/DSA-233346.pdf?h=db08f1b0ae6d64f999d63b82b4960ffc%3Ae92f169617779d43b2218b6349a716b8509212db33e4d7bb8da8%3A388c8b9a1ebb54c7c4ab90fbabe80f26#toolbar=0 MB81464]
|-
|IC33
|1
|HD74LS132P
|Hitachi
|DIP
|Quad 2-Input Positive-NAND Schmitt Trigger
|[https://www.ti.com/lit/ds/symlink/sn74ls132.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1712863435209&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Fsn74ls132 SN74LS132]
|-
|IC34
|1
|MC68681P
|Motorola
|DIP
|DUART
|[https://www.nxp.com/docs/en/user-guide/MC68681UM.pdf MC68HC681]
|-
|IC35
|1
|UA1488PC
|
|DIP
|RS-232C Line Driver
|[https://www.datasheets360.com/pdf/-3398275511888323216 UA1488] ([https://www.web-bcs.com/pdf/Fd/uA/uA1488.pdf Alternate])
|-
|IC37
|1
|S35213
|AMI Semiconductor (Now ON Semiconductor)
|DIP
|Modem(?)
|
|-
|
|
|1
|S35212A
|AMI Semiconductor (Now ON Semiconductor)
|DIP
|Modem Support Circuitry(?)
|
|
|-
|IC39
|1
|4558
|NEC
|DIP
|Dual Op-Amo
|[https://www.ti.com/lit/ds/symlink/rc4558.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1712881759388&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Frc4558 RC4558]
|-
|IC40
|1
|S2579-084
|AMI Semiconductor (Now ON Semiconductor)
|DIP
|DTMF Tone Generator with Binary Input
|[https://www.datasheetarchive.com/pdf/download/distributors/Datasheets-309/67049.pdf?h=07c028e76276af852bb8b301b758df73%3A815e29dc1ec1040482f203d3%3A233f0ec0fdedbef263ea728b209274ef#toolbar=0 S2579]
|-
|IC42
|1
|7905
|NEC
|TO-220
|Negative-Voltage Linear Voltage Regulator
|[https://www.ti.com/lit/ds/symlink/lm79.pdf 7905]
|-
|IC43
|1
|MB3771
|
|
|DIP
|Power Supply Monitor
|[https://www.mouser.com/datasheet/2/100/002-08511_MB3771_Power_Supply_Monitor-933915.pdf MB3771]
|-
|IC100
|1
|SN74LS74AN
|Texas Instruments
|DIP
|Dual D-Type Positive-Edge-Triggered Flip-Flop
|[https://www.ti.com/lit/ds/symlink/sn74ls74a.pdf?ts=1714184851156&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FSN74LS74A SN74LS74]
|}
|}


=== Power Supply board ASTEC AC8151-01 ===
=== Power Supply board ASTEC AC8151-01 ===
[http://www.bitsavers.org/pdf/astec/Astec_AC8151.pdf Datasheet] (courtesy Bitsavers)
[http://www.bitsavers.org/pdf/astec/Astec_AC8151.pdf Datasheet] (courtesy Bitsavers)
[[File:ASTEC AC8151-01 internals.jpg|thumb|Inside the ASTEC AC8151-01 power supply]]
The table below was compiled from power supply Serial #: M286537666, with a date code of 1987-09.
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and  [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and  [[Part Footprints|Footprint]] Information
Line 222: Line 351:
!Series
!Series
!Note
!Note
|-
|C1, C11
|2
|0.01 µF
|250VAC
|Film
|17mm L x 5mm D
|10mm
|16mm OR 10mm
|110° C
|SAFETY X2
|RIFA
|[https://www.farnell.com/datasheets/1886898.pdf PME 271 M]
|
|-
|C3, C4
|2
|0.0047 µF
|250VAC
|Film
|13mm L x 4mm D
|10mm
|16mm OR 10mm
|100° C
|SAFETY Y
|RIFA
|[https://content.kemet.com/datasheets/KEM_F3016_PME271Y_Y2_250.pdf PME 271 Y]
|
|-
|-
|C6
|C6
Line 265: Line 422:
|Heatshrink tubing
|Heatshrink tubing
|-
|-
|C15
|C15, C16
|1
|2
|1000 µF
|16
|Radial
|16mm
|26mm
|5mm OR 8mm
|105° C
|
|Nippon Chemi-Con
|SXA
|Leaking
|-
|C16
|1
|1000 µF
|1000 µF
|16
|16
Line 305: Line 448:
|Nippon Chemi-Con
|Nippon Chemi-Con
|SXA
|SXA
|Leaking
|Leaking; labeled with power supply serial # and date code.
|-
|-
|C18
|C18
Line 350: Line 493:
|}
|}


=== CRT Analog Board Matsushita PANP 30901 ===
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and  [[Part Footprints|Footprint]] Information
!RefDes
!Qty
!Capacitance
!Voltage
![https://caps.wiki/wiki/Part_Footprints Mount]
!Diameter/Size
!Height
!Lead Spacing
!Temp
![https://caps.wiki/wiki/Capacitor_Types Type]
!Brand
!Series
!Notes
|-
|C404
|1
|470 µF
|16
|Radial
|10mm
|13mm
|
|85° C
|
|Nippon Chemi-Con
|SU
|
|-
|C406
|1
|10 µF
|16
|Radial
|5mm
|12mm
|
|85° C
|
|Nippon Chemi-Con
|SU
|
|-
|C407
|1
|33 µF
|6.3
|Radial
|5mm
|12mm
|
|85° C
|
|Nippon Chemi-Con
|SU
|
|-
|C408
|1
|220 µF
|16
|Radial
|8mm
|12mm
|5mm
|85° C
|
|Nippon Chemi-Con
|SU
|
|-
|C409
|1
|470 µF
|16
|Radial
|10mm
|12mm
|5mm
|85° C
|
|Nippon Chemi-Con
|SU
|
|-
|C411
|1
|2200 µF
|16
|Radial
|13mm
|25mm
|5mm
|85° C
|
|Nippon Chemi-Con
|CE SU
|
|-
|C413
|1
|47 µF
|16
|Radial
|
|
|
|
|
|
|
|
|-
|C505
|1
|4.7 µF
|25
|Radial
|5mm
|12mm
|
|85° C
|
|Nippon Chemi-Con
|SU
|
|-
|C512
|1
|330 µF
|16
|Radial
|8mm
|12mm
|5mm
|85° C
|
|Nippon Chemi-Con
|SU
|
|-
|C514
|1
|1000 µF
|16
|Radial
|10mm
|20mm
|
|85° C
|
|Nippon Chemi-Con
|
|Glued to C513
|-
|C516
|1
|10 µF
|350
|Radial
|13mm
|25mm
|
|85° C
|
|Nippon Chemi-Con
|CE S
|
|-
|C517
|1
|100 µF
|50
|Radial
|14mm
|28mm
|
|
|
|
|
|Glued to L502
|-
|C518
|1
|220 µF
|63
|Radial
|10mm
|20mm
|5mm
|85° C
|
|Nippon Chemi-Con
|
|
|-
|C519
|1
|1 µF
|350
|Radial
|8mm
|25mm
|
|85° C
|
|Nippon Chemi-Con
|
|
|-
|C532
|1
|10 µF
|63
|Radial
|
|
|
|
|
|
|
|On CRT Neck Board
|-
|C801
|1
|3300 µF
|16
|Radial
|15mm
|25mm
|
|85° C
|
|Nippon Chemi-Con
|CE SU
|Elevated 10mm to clear C505 & C404
|}
==Replacement Parts==
==Replacement Parts==
===Basic PCB Name===
 
=== Power Supply board ASTEC AC8151-01 ===
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitors
|+Capacitors
Line 359: Line 744:
! Order Links
! Order Links
|-
|-
|C19
|1
|860020373011 / 16YXF330MFFCT78X11.5
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020373011/5727035 Digikey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020373011?qs=0KOYDY2FL29%2Fv5JUGXWgRw%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-16YXF330MFFCT78X11-5_C2918916.html LCSC]
|-
|C20
|1
|860020374012 / 16YXJ470MFFCT78X11.5
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020374012/5727036 Digikey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020374012?qs=0KOYDY2FL2%252Bw9eSPj%252BT32g%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-16YXJ470MFFCT78X11-5_C2905936.html LCSC]
|}
{| class="wikitable sortable"
|+Integrated Circuits
!RefDes
!Qty
!Compatible Part Number
!Order Links
|-
|PC1
|1
|IS733X
|[https://www.digikey.com/en/products/detail/isocom-components-2004-ltd/IS733X/21185694 DigiKey]
|-
|IC10, IC32
|2
|SN74LS05N
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74LS05N/277277 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS05N?qs=spW5eSrOWB5U2y5XHWmnjA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Inverters_Texas-Instruments-SN74LS05N_C234697.html LCSC]
|-
|IC12
|1
|SN74128N
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74128N/1575149 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74128N?qs=sGAEpiMZZMtOXy69nW9rM5tFZ4N%2FInfvRciCjzs6mhM%3D Mouser]
|-
|IC33
|1
|SN74LS132N / XD74LS132
|[https://www.digikey.com/en/products/detail/texas-instruments/SN74LS132N/377762 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS132N?qs=SL3LIuy2dWwicVI9J1F0sw%3D%3D Mouser] [https://www.lcsc.com/product-detail/Gates_XINLUDA-XD74LS132_C561283.html LCSC]
|-
|IC34
|1
|
|
|DigiKey Mouser LCSC
|-
|IC35
|1
|MAX1488ECPD+ / MC1488N
|[https://www.digikey.com/en/products/detail/analog-devices-inc-maxim-integrated/MAX1488ECPD/1475067 DigiKey] [https://www.mouser.com/ProductDetail/Analog-Devices-Maxim-Integrated/MAX1488ECPD%2b?qs=CDqwynd4ZNoa0O%2FjKwsFJg%3D%3D Mouser] [https://www.lcsc.com/product-detail/RS232-ICs_Texas-Instruments-MC1488N_C1543913.html LCSC]
|-
|IC39
|1
|RC4558P / UTC4558
|[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_YW-UTC4558_C523740.html LCSC]
|-
|IC42
|1
|L7905CV / L7905CV-JSM
|[https://www.digikey.com/en/products/detail/stmicroelectronics/L7905CV/585993 DigiKey] [https://www.mouser.com/ProductDetail/STMicroelectronics/L7905CV?qs=sGAEpiMZZMt1hubY80%2Fs8Axw6D11KU60qufzbKLWK5k%3D Mouser] [https://www.lcsc.com/product-detail/Linear-Voltage-Regulators-LDO_JSMSEMI-L7905CV-JSM_C20754791.html LCSC]
|-
|IC43
|1
|
|DigiKey Mouser LCSC
|-
|IC100
|1
|NTE74LS74A / SN74LS74AN /
|[https://www.digikey.com/en/products/detail/nte-electronics-inc/NTE74LS74A/11650803 DigiKey] [https://www.mouser.com/ProductDetail/Texas-Instruments/SN74LS74AN?qs=b0gIXGU74fP41yYZQO4%252BKQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Flip-Flops_Texas-Instruments-SN74LS74AN_C1523173.html LCSC]
|}
=== CRT Analog Board Matsushita PANP 30901 ===
{| class="wikitable sortable"
|+Capacitors
! RefDes
! Qty
! Compatible Part Number
! Order Links
|-
|C404, C409
|1
|860020374012
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020374012/5727036 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020374012?qs=0KOYDY2FL2%252Bw9eSPj%252BT32g%3D%3D Mouser]
|-
|C406
|1
|860020672010
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020672010/5727093 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020672010?qs=0KOYDY2FL2%252BaHkqkc1q4lw%3D%3D Mouser]
|-
|C407
|1
|860020372003
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020372003/5727027 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020372003?qs=0KOYDY2FL29eBCJtdW%252BRzQ%3D%3D Mouser]
|-
|C408
|1
|860020373010
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020373010/5727034 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020373010?qs=0KOYDY2FL28D3VoSvrCvYA%3D%3D Mouser]
|-
|C411
|1
|EKMQ160ELL222MJ20S
|[https://www.digikey.com/en/products/detail/chemi-con/EKMQ160ELL222MJ20S/3982921 DigiKey] [https://www.mouser.com/ProductDetail/Chemi-Con/EKMQ160ELL222MJ20S?qs=beQ1fBGcmj3hWHzumVHfNA%3D%3D Mouser]
|-
|C505
|1
|860020672008
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020672008/5727091 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020672008?qs=0KOYDY2FL29ss4NKHUPOsQ%3D%3D Mouser]
|-
|C512
|1
|860020373011
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020373011/5727035 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020373011?qs=0KOYDY2FL29%2Fv5JUGXWgRw%3D%3D Mouser]
|-
|C516
|1
|ESH106M350AH2AA
|[https://www.digikey.com/en/products/detail/kemet/ESH106M350AH2AA/7423953 DigiKey] [https://www.mouser.com/ProductDetail/KEMET/ESH106M350AH2AA?qs=pfd5qewlna5KhUsKXwYYfw%3D%3D Mouser]
|-
|C518
|1
|
|
|DigiKey Mouser
|-
|C519
|1
|
|
|[https://www.digikey.com/ Digikey]
|DigiKey Mouser
|-
|C801
|1
|EKMQ160ELL332MK25S / UVY1C332MHD
|[https://www.digikey.com/en/products/detail/chemi-con/EKMQ160ELL332MK25S/3982923 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/UVY1C332MHD?qs=h8kCHL4kpM54Rh7wg04Klg%3D%3D Mouser]
|}
|}
''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.''
Line 371: Line 882:
== References ==
== References ==
<references />
<references />
[[Category:WorkNeeded:OriginalParts]]
[[Category:WorkNeeded:ReplacementParts]]

Revision as of 02:54, 19 November 2024

For more information, see this article's corresponding Wikipedia page: Canon_Cat.
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
Preliminary Information
Leak Risk RIFA caps in power supply pose risk of sudden failure. Other PSU caps have been known to leak as well.
Batteries CR2023
Mounting Technology Through Hole
Destructive Entry No
Hardware Specifications
CPU Motorola 68000 @ 5 MHz
Memory Capacity 256 KB
Storage 3½-inch 256 KB floppy disk drive (proprietary cable)
Graphics 9-inch (229 mm) black-and-white monitor
Sound Piezo speaker
Power Requirements
Input Voltage 115/230 VAC
Current (Amps) +5VDC: 2.5A max

+12VDC: 2.0A max

-12VDC: 0.1A max
Power Connector Molex P/N 09-50-3031


Known Issues

Symptom or Problem Encountered

Floppy disk drive is a proprietary model not interchangeable with any other known computer. Drive head mounting brackets have almost certainly failed. Damage will occur to drive if used with a broken bracket. Recommend inspecting drive and disconnecting to prevent use until plastic bracket is replaced.

Causes

Solutions

Disassembly Notes

Four Phillips screws on back to remove monitor shroud.

Four Phillips screws on bottom to remove motherboard assembly. (Does not require prior removal of monitor shroud.)

Six Phillips screws to remove metal shroud from motherboard assembly.


The power supply may have its serial number and build date on a paper label attached to capacitor C17. It will probably not be possible to remove this paper label without damaging it. Instead, after desoldering C17 cut the plastic shroud away from the capacitor and trim to the dimensions of the paper label. Attach the label to the outside of the PSU with double-sided tape for easy reference.

The power supply will have an important warning about a live heatsink attached to capacitor C6. It is not possible to remove this paper label without damaging it. Instead, after desoldering C6 cut the plastic shroud away from the capacitor and trim to the dimensions of the warning label. Attach the label to the outside of the PSU with double-sided tape for so that it can be easily seen.

Original Parts

Motherboard NH1-0300-035

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C76, C94 1 1 µF 50 Radial Aluminum Electrolytic Panasonic
C80 1 17 µF 25 Radial Aluminum Electrolytic
C92 1 33 µF 16 Radial Aluminum Electrolytic
C13 1 47 µF 10 Radial Aluminum Electrolytic Nichicon
C90 1 47 µF 25 Radial Aluminum Electrolytic Rubycon
C79 1 100 µF 16 Radial Aluminum Electrolytic
C77 1 100 µF 16 Radial Aluminum Electrolytic Rubycon
C2 1 100 µF 25 Radial Aluminum Electrolytic
C72 1 100 µF 25 Radial Aluminum Electrolytic Rubycon
C73 1 100 µF 25 Radial Aluminum Electrolytic Rubycon
C1 1 220 µF 25 Radial Aluminum Electrolytic Rubycon
Integrated Circuits
RefDes Qty Model Manufacturer Package Explanation Datasheet
PC1 1 PC733H Sharp DIP AC Input Photocoupler PC733H
IC10, IC32 2 HD74LS05P Hitachi DIP Hex Inverter with Open-Collector Output SN74LS05
IC11 1 D4364C-15LL NEC DIP 8192 x 8-Bit SRAM (CMOS) uPD4364
IC12 1 SN74128N Texas Instruments DIP Line Driver SN74128
IC22, IC23, IC24, IC25, IC26, IC27, IC28, IC29, 8 MB81464-15 DIP 144-Bit DRAM MB81464
IC33 1 HD74LS132P Hitachi DIP Quad 2-Input Positive-NAND Schmitt Trigger SN74LS132
IC34 1 MC68681P Motorola DIP DUART MC68HC681
IC35 1 UA1488PC DIP RS-232C Line Driver UA1488 (Alternate)
IC37 1 S35213 AMI Semiconductor (Now ON Semiconductor) DIP Modem(?)
1 S35212A AMI Semiconductor (Now ON Semiconductor) DIP Modem Support Circuitry(?)
IC39 1 4558 NEC DIP Dual Op-Amo RC4558
IC40 1 S2579-084 AMI Semiconductor (Now ON Semiconductor) DIP DTMF Tone Generator with Binary Input S2579
IC42 1 7905 NEC TO-220 Negative-Voltage Linear Voltage Regulator 7905
IC43 1 MB3771 DIP Power Supply Monitor MB3771
IC100 1 SN74LS74AN Texas Instruments DIP Dual D-Type Positive-Edge-Triggered Flip-Flop SN74LS74

Power Supply board ASTEC AC8151-01

Datasheet (courtesy Bitsavers)

Inside the ASTEC AC8151-01 power supply

The table below was compiled from power supply Serial #: M286537666, with a date code of 1987-09.

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series Note
C1, C11 2 0.01 µF 250VAC Film 17mm L x 5mm D 10mm 16mm OR 10mm 110° C SAFETY X2 RIFA PME 271 M
C3, C4 2 0.0047 µF 250VAC Film 13mm L x 4mm D 10mm 16mm OR 10mm 100° C SAFETY Y RIFA PME 271 Y
C6 1 100 µF 250 Radial 18mm 42mm 8mm 105° C CE? GM Label: "Caution. Hazard of Electric Shock - Heatsink is Live. Disconnect Power Supply before Servise [sic]"
C7 1 100 µF 250 Radial 18mm 42mm 8mm 105° C CE? GM
C8 1 220 µF 10 Radial 10mm 22mm 5mm 105° C Nippon Chemi-Con RX Heatshrink tubing
C15, C16 2 1000 µF 16 Radial 16mm 26mm 5mm OR 8mm 105° C Nippon Chemi-Con SXA Leaking
C17 1 1000 µF 16 Radial 16mm 26mm 5mm OR 8mm 105° C Nippon Chemi-Con SXA Leaking; labeled with power supply serial # and date code.
C18 1 330 µF 16 Radial 10mm 21mm 5mm 105° C Nippon Chemi-Con SXA
C19 1 330 µF 16 Radial 10mm 16mm 5mm 85° C Nippon Chemi-Con SM
C20 1 470 µF 16 Radial 12mm 13mm 5mm OR 8mm 85° C Acess

CRT Analog Board Matsushita PANP 30901

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series Notes
C404 1 470 µF 16 Radial 10mm 13mm 85° C Nippon Chemi-Con SU
C406 1 10 µF 16 Radial 5mm 12mm 85° C Nippon Chemi-Con SU
C407 1 33 µF 6.3 Radial 5mm 12mm 85° C Nippon Chemi-Con SU
C408 1 220 µF 16 Radial 8mm 12mm 5mm 85° C Nippon Chemi-Con SU
C409 1 470 µF 16 Radial 10mm 12mm 5mm 85° C Nippon Chemi-Con SU
C411 1 2200 µF 16 Radial 13mm 25mm 5mm 85° C Nippon Chemi-Con CE SU
C413 1 47 µF 16 Radial
C505 1 4.7 µF 25 Radial 5mm 12mm 85° C Nippon Chemi-Con SU
C512 1 330 µF 16 Radial 8mm 12mm 5mm 85° C Nippon Chemi-Con SU
C514 1 1000 µF 16 Radial 10mm 20mm 85° C Nippon Chemi-Con Glued to C513
C516 1 10 µF 350 Radial 13mm 25mm 85° C Nippon Chemi-Con CE S
C517 1 100 µF 50 Radial 14mm 28mm Glued to L502
C518 1 220 µF 63 Radial 10mm 20mm 5mm 85° C Nippon Chemi-Con
C519 1 1 µF 350 Radial 8mm 25mm 85° C Nippon Chemi-Con
C532 1 10 µF 63 Radial On CRT Neck Board
C801 1 3300 µF 16 Radial 15mm 25mm 85° C Nippon Chemi-Con CE SU Elevated 10mm to clear C505 & C404

Replacement Parts

Power Supply board ASTEC AC8151-01

Capacitors
RefDes Qty Compatible Part Number Order Links
C19 1 860020373011 / 16YXF330MFFCT78X11.5 Digikey Mouser LCSC
C20 1 860020374012 / 16YXJ470MFFCT78X11.5 Digikey Mouser LCSC
Integrated Circuits
RefDes Qty Compatible Part Number Order Links
PC1 1 IS733X DigiKey
IC10, IC32 2 SN74LS05N DigiKey Mouser LCSC
IC12 1 SN74128N DigiKey Mouser
IC33 1 SN74LS132N / XD74LS132 DigiKey Mouser LCSC
IC34 1 DigiKey Mouser LCSC
IC35 1 MAX1488ECPD+ / MC1488N DigiKey Mouser LCSC
IC39 1 RC4558P / UTC4558 DigiKey Mouser LCSC
IC42 1 L7905CV / L7905CV-JSM DigiKey Mouser LCSC
IC43 1 DigiKey Mouser LCSC
IC100 1 NTE74LS74A / SN74LS74AN / DigiKey Mouser LCSC

CRT Analog Board Matsushita PANP 30901

Capacitors
RefDes Qty Compatible Part Number Order Links
C404, C409 1 860020374012 DigiKey Mouser
C406 1 860020672010 DigiKey Mouser
C407 1 860020372003 DigiKey Mouser
C408 1 860020373010 DigiKey Mouser
C411 1 EKMQ160ELL222MJ20S DigiKey Mouser
C505 1 860020672008 DigiKey Mouser
C512 1 860020373011 DigiKey Mouser
C516 1 ESH106M350AH2AA DigiKey Mouser
C518 1 DigiKey Mouser
C519 1 DigiKey Mouser
C801 1 EKMQ160ELL332MK25S / UVY1C332MHD DigiKey Mouser

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

References

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