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AFG5102/Repairs: Difference between revisions
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==Battery Module Replacement== | ==Battery Module Replacement== | ||
The AFG5102 processor board is equipped with a Renata 175-1 battery module which is a common point of failure. | The AFG5101/AFG5102 processor board is equipped with a Renata 175-1 battery module which is a common point of failure. | ||
This module contains a standard CR2032 Lithium coin cell and two 1N4148 diodes. | This module contains a standard CR2032 Lithium coin cell and two 1N4148 diodes. | ||
While the original module is potted in resin, a simple replacement with a battery holder and two 1N4148 diodes can be fabricated. | While the original module is potted in resin, a simple replacement with a battery holder and two 1N4148 diodes can be fabricated. | ||
===Gerbers=== | ===Gerbers=== | ||
* [[Media:AFG5101_Renata_1000-1_Battery_Replacement_Gerber.zip| | * [[Media:AFG5101_Renata_1000-1_Battery_Replacement_Gerber.zip|Renata 175-1 Replacement Gerber]] | ||
===Pictures=== | |||
==Pictures== | |||
<gallery> | <gallery> | ||
AFG5102_ProcessorBoard_waterDamage.jpg | Processor board with water damage and original backup battery module | AFG5102_ProcessorBoard_waterDamage.jpg | [[AFG5102]] Processor board with water damage and original backup battery module | ||
AFG5102_ProcessorBoard_repaired.jpg | Processor board repaired with new backup battery | AFG5102_ProcessorBoard_repaired.jpg | [[AFG5102]] Processor board repaired with new backup battery | ||
AFG5102_ProcessorBoard_repaired_BatteryDetail.jpg| Replacement battery and diodes closeup | AFG5102_ProcessorBoard_repaired_BatteryDetail.jpg| [[AFG5102]] Replacement battery and diodes closeup | ||
Renata_1000-1.jpg|Replacement battery on PCB Module | Renata_1000-1.jpg|[[AFG5101]] Replacement battery on PCB Module | ||
Renata_175-1_schematic.jpg | Renata 175-1 schematic and pinout | Renata_175-1_schematic.jpg | Renata 175-1 schematic and pinout | ||
</gallery> | </gallery> | ||
==Display== | ==[[AFG5101]] Display== | ||
The front display uses a blue electroluminescent panel for backlighting, which is usually almost completely faded and dim by now, and the LCD contrast is usually quite poor too. | The front display uses a blue electroluminescent panel for backlighting, which is usually almost completely faded and dim by now, and the LCD contrast is usually quite poor too. | ||
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To adjust the contrast and turn the backlight on and off, press <SPCL>, then <2> <2> <0> followed by <ENTER>. The contrast can be adjusted using the up and down arrow keys and the backlight turned on and off using the <ENTER> key. | To adjust the contrast and turn the backlight on and off, press <SPCL>, then <2> <2> <0> followed by <ENTER>. The contrast can be adjusted using the up and down arrow keys and the backlight turned on and off using the <ENTER> key. | ||
==Pictures== | ===Pictures=== | ||
<gallery> | <gallery> | ||
Tek_AFG5101_LCD_Replaced.jpg|Replacement LCD installed with resistor mod | Tek_AFG5101_LCD_Replaced.jpg|Replacement LCD installed with resistor mod | ||