Actiontec GT704-WG

The Actiontec GT704-WG is a combination DSL modem, Ethernet switch, and Wi-Fi modem. It supports the IEEE standards 802.3 (10BaseT), 802.3u (100BaseTX), and 802.11g (wireless). Other standards support includes G.dmt, G.lite, t1.413, and RFC 1483, 2364, and 2516.

See page 108 of the manual for full specifications.

Causes

 * Bad capacitors

Solutions

 * Recap Bad capacitors

Disassembly Notes
First, flip the unit upside down. You will see 4 rubber feet. Remove the rubber feet. Under that you will see 4 Phillips (crosshead) screws. Unscrew the 4 screws. After this, the top and bottom should separate. Remove the circuit board (the antenna connector should come with it).

Main Board
GT704WG(Verizon) P1GT704WG60302 F/W: 3.220.3.3.5.0.9.1.3 CS=41B3 Sticker on U104: 000FB3 B59428 *: Already bulged on my unit. C427 blew its bottom bung off.

Main PCB
Note: Some replacement capacitors may have to be bent over to fit.

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.

Kits

 * Digikey BOM: https://www.digikey.com/

Related Links

 * Manual