Pioneer ]S-2EX Panduan Servis - Halaman 7

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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 Woofer

• The Network Assy for the woofer is attached to the

inside of the bottom board, using 4 screws.

(1) Remove the acoustic absorbent pads from around 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 woofer was attached then secure it in

place with the 4 screws.

(5) Among the 2 pairs of cords from the Network Assy,

connect the cords with the round connectors 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 around the input

terminal board.

(8) Connect and solder the remaining cords from the

Network Assy 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 woofer

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

Front side

0.22Ω 56µF

68µF

: Screws

Fig. 2-2: Specifications for attaching

the Network Assy for the woofer

(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 woofer, using

4 screws.

(1) Remove the acoustic absorbent pads from around the

input terminal board, 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 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 around the input

terminals, at 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-2EX

Note: The NW Assy shown in

this photo is for the S-1EX,

but the shape of the closure

panel is the same.

Closure panel

: Screws

Chamber