Plantronics Colorplus
- For more information, see this article's corresponding Wikipedia page: Plantronics Colorplus.
Plantronics Colorplus
| Preliminary Information | |
|---|---|
| Release Year | 1982 |
| Leak Risk | Medium |
| Batteries | None |
| Mounting Technology | Through Hole, Sockets |
| Capacitor Types | Tantalum, Ceramic |
| Destructive Entry | No |
Known Issues
Symptom or Problem Encountered
Causes
- Description of cause
Solutions
- Solution to the problem
Disassembly Notes
Tools Needed
- 3/16 Hex Driver
Disassembly
- Start by unscrewing the 4 standoffs from the two D-Sub connectors at the rear of the card. Then remove the ISA bracket.
- Using your fingers, separate the two boards by pulling them apart near each of the three plastic standoffs to release them.
- Pull the two boards apart, careful not to bend the connector pins.
Original Parts
Upper Board
| RefDes | Qty | Capacitance | Voltage | Mount | Lead Spacing | Temp | Type | Markings |
|---|---|---|---|---|---|---|---|---|
| C1-C22, C25, C26 | 24 | Through Hole | 7mm | ? | K104M | |||
| C23 | 1 | Through Hole | 2mm | Tantalum | 336 + 10K | |||
| C24, C27-C33 | 9 | 33nF | Through Hole | 2mm | Ceramic | 222 | ||
| C35 | 1 | 33pF | Through Hole | 6mm | Ceramic | 330K 1KV | ||
| C36 | 1 | 10pF | Through Hole | 6mm | Ceramic | 100K 1KV |
Lower Board
| RefDes | Qty | Capacitance | Voltage | Mount | Lead Spacing | Temp | Type | Markings |
|---|---|---|---|---|---|---|---|---|
| C1-C13, C15, C16, C17 | 16 | Through Hole | 7mm | ? | K104M | |||
| C14 | 1 | 33 µF | 10V | Through Hole | 5mm | Tantalum | 33-10 | |
| C18 | 1 | 0.01 µF | Through Hole | 2mm | Ceramic | 103 | ||
| *U19 between pins 3 and 7 | 1 | Through Hole | N/A | Ceramic | 330K Z5F 1KV Mexico |
* Not sure if this is from the factory or not
Additional Images
-
Capacitors C35 and C36 on the upper board.
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Capacitor between pins 3 and 7 on U19.
-
Backside of capacitor at U19.
-
Capacitors marked "K10M"
-
Top board.
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Backside of top board.
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Bottom PCB with CGA connector
-
Rear view of bottom board.
