PIONEER S-A6C/XMD/E
Manual de Servicio

S-A6C 3.4 Network Assy (LPF)
The Network Assy (LPF) is attached to the inside of the rear cover of the cabinet with 4 screws from the inside. To remove the Network Assy, first remove the grille, remove the two woofers, and disconnect the cords from the woofers. Then, remove the input-terminal board by loosening the 4 screws, and disconnect the cords from the input-terminal board. Loosen the 4 screws that secure the Network Assy, and remove it through the hole in the baffle board. To reinstall the Network Assy, first connect the cords bundled with black tape from the Network Assy to the lower-side terminals of the inputterminal board, and two bundles of white-taped cords to the woofers. Then attach the input-terminal board and the woofers. Place the inputterminal board so that the positive terminals are on the right-hand side, and attach it using the 4 screws. (See the illustration below for placement of the Network Assy.)

[Placement of the Network Assy (LPF)]
Screwing (SBA1189) Screwing (SBA1189) Screwing (SBA1189) Screwing (SBA1189) to the lower input terminal Black tape Lower side White tape Network Assy (LPF) Upper side

to Woofer

3.5 Network Assy (HPF)
The Network Assy (HPF) is attached on the back of the rear board of the chamber with 2 screws(SBA1189) from the outside and 2 screws(SBA1193) from the inside of the chamber. To remove the Network Assy, first remove the grille, remove the two woofers, and disconnect the cords from the woofers. Then, remove the midrange/tweeter coaxial speaker unit and disconnect the cords from the midrange and the tweeter. When disconnecting the cords from the tweeter, first remove the packing. Then remove the input-terminal board by loosening the 4 screws, and disconnect the cords from the input-terminal board. Pull out the Network Assy through the hole for the woofer in the baffle board. When reinstalling the Network Assy, connect the cords by verifying the shapes of the terminals at the ends of the cords. The cords to be connected to the input-terminal board must be connected to the upper-side terminals of the input-terminal board. For connections with the tweeter, see 3.3. Make sure that the two cords sticking out the back of the Network Assy go through the hole in the rear board of the chamber. Then, reinstall the input-terminal board and the woofers. Place the input-terminal board so that the positive terminals are on the righthand side, and attach it using the 4 screws. (See the illustration below for placement of the Network Assy and cord connections.)

[Placement of the Network Assy (HPF) and cord connections]
to Tw to Mid

Screwing from Front (SBA1193)

Direction seen from the speaker rear side Screwing from Rear Upper side (SBA1189)

Screwing from Front (SBA1193)

Screwing from Rear (SBA1189)

Lower side

Rear side Network Assy (LPF) to upper input terminal

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