Toshiba T1600: Difference between revisions

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|Batteries = Yes, multiple rechargeable that are leaking
|Batteries = Yes, multiple rechargeable that are leaking
|Destructive Entry = No
|Destructive Entry = No
}}
|CPU=Intel 80286, 6/12MHz (switchable)|Storage=40 mb hard drive
 
3.5 inch floppy drive}}
The T1600 is a 286 laptop with an alps keyboard, dual batteries, 3.5" FDD, and HDD.
The T1600 is a 286 laptop with an alps keyboard, dual batteries, 3.5" FDD, and HDD.
==Known Issues==
==Known Issues==
===Smoke when plugged in===
===Smoke when plugged in===
====Causes====
====Causes====
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File:T1600-c5leak-resistor-casualties.JPG|Resistors on bottom side of PCB under C5 didn't fair well
File:T1600-c5leak-resistor-casualties.JPG|Resistors on bottom side of PCB under C5 didn't fair well
</gallery>
</gallery>
====Solutions====
====Solutions====
*Clean and recap, possibly replace parts on bottom
*Clean and recap, possibly replace parts on bottom
=== Recommended Preventive Maintenance ===
=== Recommended Preventive Maintenance ===
==== Cause ====
==== Cause ====
* The T1600 contains two internal rechargeable batteries that may begin to leak and cause corrosive damage to PCBs
* The T1600 contains two internal rechargeable batteries that may begin to leak and cause corrosive damage to PCBs
<gallery>
<gallery>
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File:T1600-otherbattery.JPG|4 cell battery connected with cable had corrosion through the entire copper wire and white power beginning to leak from the shrink seal.
File:T1600-otherbattery.JPG|4 cell battery connected with cable had corrosion through the entire copper wire and white power beginning to leak from the shrink seal.
</gallery>
</gallery>
==== Solution ====
==== Solution ====
==Disassembly Notes==
==Disassembly Notes==
The screen hinge plastic is very brittle and may break  
The screen hinge plastic is very brittle and may break  
==Original Parts==
==Original Parts==
=== Motherboard ===
=== Motherboard ===
''Toshiba, FISYS3, 36T702816G1180''
''Toshiba, FISYS3, 36T702816G1180''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
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|
|
|}
|}
===Power Supply===
===Power Supply===
''Toshiba, FIVPS3, "IBI,M4V0", 36P12926G-01B''
''Toshiba, FIVPS3, "IBI,M4V0", 36P12926G-01B''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
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|0.5V
|0.5V
|}
|}
==Replacement Parts==
==Replacement Parts==
=== Motherboard ===
=== Motherboard ===
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|
|
|}
|}
=== Power Supply ===
=== Power Supply ===
{| class="wikitable sortable"
{| class="wikitable sortable"
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|
|
|}
|}
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Resistors
|+Resistors
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|
|
|}
|}
==Related Links==
==Related Links==
*[http://minuszerodegrees.net/manuals/Toshiba/Other/Toshiba%20T1600%20-%20Maintenance%20Manual.pdf Official Toshiba maintenance manual] on Minus Zero Degrees ([https://web.archive.org/web/20140615070400/http://minuszerodegrees.net/manuals/Toshiba/Other/Toshiba%20T1600%20-%20Maintenance%20Manual.pdf archived])
*[http://minuszerodegrees.net/manuals/Toshiba/Other/Toshiba%20T1600%20-%20Maintenance%20Manual.pdf Official Toshiba maintenance manual] on Minus Zero Degrees ([https://web.archive.org/web/20140615070400/http://minuszerodegrees.net/manuals/Toshiba/Other/Toshiba%20T1600%20-%20Maintenance%20Manual.pdf archived])
*[https://www.youtube.com/watch?v=JxQPWa-XBDY Video on disassembly and capacitor information]
*[https://www.youtube.com/watch?v=JxQPWa-XBDY Video on disassembly and capacitor information]
==References==
==References==
<references />
<references />

Revision as of 20:29, 3 April 2023

Toshiba T1600
Preliminary Information
Release Year 1989
Leak Risk Medium
Batteries Yes, multiple rechargeable that are leaking
Mounting Technology Through Hole, SMD, Sockets
Capacitor Types Aluminum Electrolytic, Tantalum, Ceramic
Destructive Entry No
Hardware Specifications
CPU Intel 80286, 6/12MHz (switchable)
Storage 40 mb hard drive 3.5 inch floppy drive

The T1600 is a 286 laptop with an alps keyboard, dual batteries, 3.5" FDD, and HDD.

Known Issues

Smoke when plugged in

Causes

  • Leaking C5 capacitor shorting resistors?
  • C5 on Power Supply board leaking

    C5 on Power Supply board leaking

  • Resistors on bottom side of PCB under C5 didn't fair well

    Resistors on bottom side of PCB under C5 didn't fair well

Solutions

  • Clean and recap, possibly replace parts on bottom

Recommended Preventive Maintenance

Cause

  • The T1600 contains two internal rechargeable batteries that may begin to leak and cause corrosive damage to PCBs
  • E1 is a through hold mounted 3 cell battery on the mainboard that wasn't yet leaking in my example but could possibly.

    E1 is a through hold mounted 3 cell battery on the mainboard that wasn't yet leaking in my example but could possibly.

  • 4 cell battery connected with cable had corrosion through the entire copper wire and white power beginning to leak from the shrink seal.

    4 cell battery connected with cable had corrosion through the entire copper wire and white power beginning to leak from the shrink seal.

Solution

Disassembly Notes

The screen hinge plastic is very brittle and may break

Original Parts

Motherboard

Toshiba, FISYS3, 36T702816G1180

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Temp Type Brand Series
C1 1 220uF 10V Through Hole Radial 6.3mm 85C Aluminum Electrolytic Rubycon CE W
C2 1 33uF 25V Through Hole Radial 6.3mm 85C Aluminum Electrolytic

Power Supply

Toshiba, FIVPS3, "IBI,M4V0", 36P12926G-01B

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Temp Type Brand Series
C1, C2 2 3300uF 10V Through Hole Radial 16mm 105C Aluminum Electrolytic Nippon Chemi-Con SXF
C3 1 2200uF 16V Through Hole Radial 16mm 105C Aluminum Electrolytic Nichicon PL
C11 1 470uF 25V Through Hole Radial 10mm 105C Aluminum Electrolytic Nippon Chemi-Con SXF
C8, C9, C10, C45 4 220uF 10V Through Hole Radial 6.3mm 85C Aluminum Electrolytic Marcon CE-SE
C4 1 56uF 35V Through Hole Radial 6.3mm 105C Aluminum Electrolytic Nippon Chemi-Con SXF
C6 1 22uF 50V Through Hole Radial 6.3mm 105C Aluminum Electrolytic Nichicon PL
C5 1 150uF 35V Through Hole Radial 10mm 105C Aluminum Electrolytic ELNA RSH
C7 1 10uF 25V Through Hole Radial 5mm Aluminum Electrolytic Nichicon
Resistors
RefDes Quantity Markings Value Footprint Imperial Note Tolerance
R142 1 473 47kΩ 0603 Case is green 0.5%?
R60 1 223 22kΩ 0603
R59 1 472 4.7kΩ 0603
Diodes
RefDes Quantity Markings Forward Voltage
33 1 N u 0.5V

Replacement Parts

Motherboard

Capacitors
RefDes Qty Compatible Part Number Order Links
C1 1 16YXJ220M6.3X11 Digikey 🔎 Mouser
C2 1 50YXM33MEFR6.3X11 / 860020472005 Digikey 🔎 Mouser
Full BOM Digikey

Power Supply

Capacitors
RefDes Qty Compatible Part Number Order Links
C1, C2 2 ELXY100ELL332ML20S / UHV1A332MHD Digikey 🔎 Mouser
C3 1 UPM1C222MHD6 Digikey 🔎 Mouser
C11 1 ELXY250ETD471MJ20S / 860080474015 Digikey 🔎 Mouser
C8, C9, C10, C45 4 16YXJ220M6.3X11 Digikey 🔎 Mouser
C4 1 ELXY500ELL560MF15D / 860080573004 Digikey 🔎 Mouser
C6 1 UPM1J220MED Digikey 🔎 Mouser
C5 1 UPM1J151MPD / 860040574005 Digikey 🔎 Mouser
C7 1 UPM1H100MDD / 860160472001 Digikey 🔎 Mouser
Full BOM Digikey
Resistors
RefDes Qty Compatible Part Number Order Links
R142 1 ERJ-PB3D4702V / ERJ-3EKF4702V Digikey 🔎 Mouser
R60 1 RC0603FR-0722KL Digikey 🔎 Mouser
R59 1 RC0603JR-074K7L Digikey 🔎 Mouser
Full BOM Digikey

Related Links

References

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