Pioneer S-1EX Manual de serviço - Página 9

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2.3 NETWORK ASSY

Before removing the Network Assy, remove the grille and each speaker unit then disconnect the cords from the

speaker unit.

• For removal/reattachment of the Network Assy for the woofer: Only the woofer must be removed.

• For removal/reattachment of the Network Assy for the midrange/tweeter: Removal of all the units is required.

2.3.1 Network Assy for the Woofers

• The Network Assy for the woofers is located inside the

back board behind the lower woofer and secured with

4 screws.

(1) Remove the acoustic absorbent pads at the input

terminals.

(2) Remove the 2 nuts that secure the round connectors

from the lower input terminals.

(See Fig. 2-1. Tool: Box wrench, 14 mm/GGH-002)

(3) Remove the 4 screws that secure the Network Assy

then pull the Assy out through the hole where the

woofer was attached.

(4) When reattaching, pass the Network Assy through the

hole where the lower woofer was attached then secure

it in place with the 4 screws.

(5) Among the 3 pairs of cords from the Network Assy,

connect the cords with black tape to the lower input

terminals and secure them with the nuts.

(See Fig. 2-1. Tool: Box wrench, 14 mm/GGH-002)

(6) Apply adhesive to the secured nuts.

(Adhesive: DIABOND black/GYL-014)

(7) Reinstall the acoustic absorbent pads at the input

terminals.

(8) Among the 3 pairs of cords from the Network Assy,

connect and solder the remaining 2 pairs of cords

with white tape to the woofer and reattach the woofer

in the cabinet.

White with Black line

From the Network Assy

for the midrange/tweeter

From the Network Assy

for the woofers

Fig. 2-1: Input terminals (inside the cabinet)

Upper side

Bottom side

: Screws

Fig. 2-2: Specifications for attaching

the Network Assy for the woofers

(See Figs. 2-5 to 2-8.)

(See Fig. 2-2.)

(See Figs. 2-5 to 2-8.)

Apply adhesive.

-: White

Apply adhesive.

Upper side

Bottom side

: Screws

Fig. 2-3: Specifications for attaching the

Network Assy for the midrange/tweeter

2.3.2 Network Assy for the midrange /

tweeter

• The Network Assy for the midrange/tweeter is attached to

the inside of the left side board behind the upper woofer,

using 4 screws.

(1) Remove the acoustic absorbent pads at the input

terminals, inside and at the rear of the chamber, and

behind the chamber.

(See Figs. 2-5 to 2-8 and 2-9 to 2-11.)

(2) Remove the 2 nuts that secure the round connectors

from the upper input terminals.

(See Fig. 2-1. Tool: Box wrench, 14 mm/GGH-002)

(3) Remove the 4 screws that secure the closure panel

inside the chamber, remove the 4 screws that secure

the Network Assy, and pull the Network Assy out

through the hole where the woofer was attached.

(See Figs. 2-3 and 2-4. Tool: Screwdriver/GGK1012)

(4) When reattaching, pass the Network Assy through the

hole where the upper woofer was attached and secure

it in place using the 4 screws.

(See Fig. 2-3. Tool: Screwdriver/GGK1012)

(5) Among the cords from the Network Assy, connect the

cords with the round connectors to the upper input

terminals and secure them with the nuts.

(See Fig. 2-1. Tool: Box wrench, 14 mm/GGH-002)

(6) Apply adhesive to the secured nuts.

(Adhesive: DIABOND black/GYL-014)

(7) Pass the 2 pairs of cords from the closure panel

through behind the chamber then secure the closure

panel from inside the chamber, using the 4 screws.

(See Fig. 2-4.)

(8) Reinstall the acoustic absorbent pads at the input

terminals, inside and rear of the chamber, and behind

the chamber.

(See Figs. 2-5 to 2-8 and 2-9 to 2-11.)

(9) Connect and solder the cords to the coaxial-unit

speaker and reattach it in the cabinet.

Fig. 2-4: Specifications for attaching the

closure panel (cross-sectional view of the

coaxial-unit speaker)

S-1EX

Closure panel

: Screws

Chamber