Pioneer S-FCRW240B-S, S-FCRW240B-K, S-W240B-S, S-W240B-K Service Manual

PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 2004

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HOME THEATER LOUDSPEAKER SYSTEM

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S-FCRW240B-S

S-FCRW240B-S

S-FCRW240B-K

POWERED SUBWOOFER

S-W240B-S

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S-W240B-K

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model Type Porew Requirement REMARKS

S-FCRW240B-S

S-FCRW240B-K

S-W240B-S

S-W240B-K

For details, refer to "Important symbols for good services".

KUXJI AC120V

KUXJI AC120V

KUXJI/CA AC120V

KUXJI/CA AC120V

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Speaker System

Speaker System

Powered Subwoofer of S-FCRW240B-S

Powered Subwoofer of S-FCRW240B-K

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T-ZZV MAR. 2004 printed in Japan

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SAFETY INFORMATION

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This service manual is intended for qualified service technicians; it is not meant for the casual
do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been
trained to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.

WARNING

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This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to
cause cancer, birth defects or other reproductive harm.

TEL [phone] QQ 376315150 892498299

Health & Safety Code Section 25249.6 – Proposition 65

NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement
parts must be of identical designation.

REMARQUE
(POUR MODÈLE CANADIEN SEULEMENT)

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Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que
les pièces de remplacement doivent avoir la même désignation.

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(FOR USA MODEL ONLY)

1. SAFETY PRECAUTIONS

The following check should be performed for the

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continued protection of the customer and service
technician.

LEAKAGE CURRENT CHECK

Measure leakage current to a known earth ground

(water pipe, conduit, etc.) by connecting a leakage

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current tester such as Simpson Model 229-2 or
equivalent between the earth ground and all exposed
metal parts of the appliance (input/output terminals,
screwheads, metal overlays, control shaft, etc.). Plug
the AC line cord of the appliance directly into a 120V
AC 60 Hz outlet and turn the AC power switch on. Any
current measured must not exceed 0.5 mA.

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Leakage

current
Device
under
test

Also test with
plug reversed
(Using AC adapter
plug as required)

Test all
exposed metal
surfaces

AC Leakage Test

tester

Reading should
not be above

0.5 mA

Earth
ground

ANY MEASUREMENTS NOT WITHIN THE
LIMITS OUTLINED ABOVE ARE INDICATIVE

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OF A POTENTIAL SHOCK HAZARD AND
MUST BE CORRECTED BEFORE RETURN­ING THE APPLIANCE TO THE CUSTOMER.

2. PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in the appliance
have special safety related characteristics. These are
often not evident from visual inspection nor the
protection afforded by them necessarily can be obtained
by using replacement components rated for voltage,
wattage, etc. Replacement parts which have these
special safety characteristics are identified in this
Service Manual.

Electrical components having such features are
identified by marking with a
on the parts list in this Service Manual.
The use of a substitute replacement component which
does not have the same safety characteristics as the
PIONEER recommended replacement one, shown in the
parts list in this Service Manual, may create shock, fire,
or other hazards.

Product Safety is continuously under review and new
instructions are issued from time to time. For the latest
information, always consult the current PIONEER
Service Manual. A subscription to, or additional copies
of, PIONEER Service Manual may be obtained at a
nominal charge from PIONEER.

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on the schematics and

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[ Important symbols for good services ]

In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:

1. Product safety

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2. Adjustments

3. Cleaning

4. Shipping mode and shipping screws

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You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

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5. Lubricants, glues, and replacement parts

S-FCRW240B-S Speaker System

SATELLITE SPEAKER (Front) SMW1818
SATELLITE SPEAKER (Center) SMW1819
SATELLITE SPEAKER (Rear) SMW1820
POWERED SUBWOOFER S-W240B-S

S-FCRW240B-K Speaker System

SATELLITE SPEAKER (Front) SMW1821
SATELLITE SPEAKER (Center) SMW1822
SATELLITE SPEAKER (Rear) SMW1823
POWERED SUBWOOFER S-W240B-K

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.

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CONTENTS

SAFETY INFORMATION ..................................................................................................................................... 2

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1. SPECIFICATIONS ............................................................................................................................................5

2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6

2.1 PACKING ................................................................................................................................................... 6

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2.2 SATELLITE SPEAKER(Front, Center, Rear) ............................................................................................. 8

2.3 POWERED SUBWOOFER........................................................................................................................ 9

2.4 POWER AMP SECTION.......................................................................................................................... 10

3. SCHEMATIC DIAGRAM .................................................................................................................................12

3.1 OVERALL BLOCK DIAGRAM.................................................................................................................. 12

3.2 AMP and OPERATION ASSYS................................................................................................................ 14

4. PCB CONNECTION DIAGRAM ..................................................................................................................... 16

4.1 AMP and OPERATION ASSYS................................................................................................................ 17

5. PCB PARTS LIST ...........................................................................................................................................19

6. ADJUSTMENT ............................................................................................................................................... 21

7. GENERAL INFORMATION............................................................................................................................. 22

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7.1 DISASSEMBLY ........................................................................................................................................ 22

8. PANEL FACILITIES ........................................................................................................................................ 23

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Note: Specifications and design subject to possible modification

without notice due to improvements.

* Measured pursuant to the Federal Trade Commission's Trade

Regulation rule on Power Output Claims for Amplifiers.

** Measured by Audio Spectrum Analyzer.

FRONT/CENTER SPEAKERS

Enclosure ......................................... Closed box type

System .........

1-way magnetically shielded loudspeaker

1-way loudspeaker

Drive Units

Fullrange ...................... 3” cone magnetically shielded

Nominal Impedance .......................................... 8 ohm

Frequency Range...................................... 100-20k Hz

Sensitivity spl @ 1m/ 2.83 V .............................. 85 dB

Maximum Input Power ...................................... 100 W

External Dimensions .......4 1/2” x 6 1/8” x 3 1/8”(Front)

6 1/8” x 4 1/2” x 3 1/8”(Center)

WXHXD

Weight ...............................................................1.5 lbs

REAR SPEAKER

Enclosure .......................................... Closed box type

System ...........................................

Drive Units

Fullrange ......................................................... 3” cone

Nominal Impedance ...........................................8 ohm

Frequency Range...................................... 100-20k Hz

Sensitivity spl @ 1m/ 2.83 V ............................... 85dB

Maximum Input Power ...................................... 100 W

External Dimensions .............4 1/2” x 6 1/8” x 3 1/8”

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Weight ...............................................................1.2 lbs

POWERED SUBWOOFER

Enclosure ................... Floor standing bass-reflex type.

Speaker ................................................. 20 cm (8 inch)

Power Amplifier .............. Continuous Average Power

Output is 100 Watts* min, at

28 ohms from 20 Hertz to 200

Hertz with no more than 1%**

total harmonic distortion.

Input ...................................100 mV / 18 kΩ (at 60 Hz)

(Sensitivity at specified frequency/impedance)
Line level input(RCA - jack)

Crossover Frequency ........................................150 Hz

External Dimensions ........8 3/8” x 14 3/16” x 15 7/8”

WXHXD

Weight .............................................................17.8 lbs

Power Requirements......................... 120 VAC, 60 Hz

Power Consumption ................................ 64 W 130 VA

Accessories

• RCA cable
(SDE1032)

• Speaker wires ×3
(SDS1158 : 5m with red colored marker)
(SDS1159 : 5m with white colored marker)
(SDS1160 : 5m with green colored marker)
(SDS1161 : 10m with blue colored marker)
(SDS1162 : 10m with gray colored marker)

• Non skid pads

(SEC1635)

(for Satellite)

(SEC1563)

(for Subwoofer)

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1. SPECIFICATIONS

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2. EXPLODED VIEWS AND PARTS LIST

NOTES:

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2.1 PACKING

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Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
The mark found on some component parts indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical designation.
Screws adjacent to mark on product are used for disassembly.

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For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions, apply as you think it appropriate.)

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(1) PACKING parts List

No. Description Part No.

Mark

NSP 1 Accessories Set SME3464
2 RCA Cable SDE1032

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3 Speaker Wire SDS1158

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(5m with red colored marker for Front right)
4 Speaker Wire SDS1159
(5m with white colored marker for Front left)
5 Speaker Wire SDS1160
(5m with green colored marker for Front center)

6 Speaker Wire SDS1161
(10m with blue colored marker for Rear left)
7 Speaker Wire SDS1162
(10m with gray colored marker for Rear right)
8 Non Skid Pad (for Subwoofer) SEC1563
9 Non Skid Pad (for Satellite SP) SEC1635

(2) CONTRAST TABLE

S-FCRW240B-S/KUXJI and S-FCRW240B-K/KUXJI are constructed the same except for the following :

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No. Description Part No.

Mark

10 Polyethylene Bag S0 SHL1343

11 Protection Sheet S3 SHC1806
12 Operating Instructions (English) SRB1334
NSP 13 Operating Instructions Assy SME3471
14 Protection Sheet S6 SHC1809
15 Protection Sheet S2 SHC1808

16 Top Protector SHA2431
17 Middle Protector SHA2432
18 Bottom Protector SHA2410
19 Packing Case See contrast table (2)
20 Protection Sheet S1 SHC1802

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S-FCRW240B-S

Mark No. Symbol and Description

19 Packing Case SHG2551 SHG2555

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