Pioneer SW-80-SED Service manual

STANDBY/
POWER ON

POWER

POWERED SPEAKER SYSTEM

S-W80S

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

Type

MLXCN AC220-230V

Model

S-W80S

Power Requirement Remarks

ORDER NO.

RRV2407

CONTENTS

1. SAFETY INFORMATION

2. EXPLODED VIEWS AND PARTS LIST

3. SCHEMATIC DIAGRAM

4. PCB CONNECTION DIAGRAM

5. PCB PARTS LIST

6. ADJUSTMENT

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

PIONEER ELECTRONICS SERVICE, 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

c

PIONEER CORPORATION 2000

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12

2
3
6
8

7. GENERAL INFORMATION

7.1 DISASSEMBLY/ASSEMBLY

8. PANEL FACILITIES AND SPECIFICATIONS

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T – ZZV NOV. 2000 Printed in Japan

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14

S-W80S

1. SAFETY INFORMATION

This service manual is intended for qualified service technicians ; it is not meant for the casual do-it­yourselfer. 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
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.

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)
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.

Health & Safety Code Section 25249.6 – Proposition 65

(FOR USA MODEL ONLY)

1. SAFETY PRECAUTIONS

The following check should be performed for the
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 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 60Hz outlet and turn the AC power switch
on. Any current measured must not exceed 0.5mA.

Reading should
not be above

0.5mA

Earth
ground

Device
under
test

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

Test all
exposed metal
surfaces

Leakage
current
tester

ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE 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
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.

on the schematics and on the parts list

AC Leakage Test

2

2. EXPLODED VIEWS AND PARTS LIST

NOTES:• 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 the product are used for disassembly.

•

S-W80S

2.1 PACKING

3

3

PACKING PARTS LIST

Mark No. Description Part No.

1

2

4

1 Speaker Cord 305131
2 RCA Pin Cord 305232
3 Cushion 305239
4 Operating Instructions 310235

(English, Chinese)

5 Packing Case 310242

5

3

S-W80S

2.2 EXTERIOR

(Front)

18

D

E

11

42 47 48

(Side)

43

6

(Rear)

37

37

6

5

5

38

44

46

30

39

STANDBY/

POWER ON

POWER

32

(Bottom)

31

32

50 200

Hz

LINE LEVEL

SPEAKER LEVEL

OUTPUT

LR

OUTPUT

INPUT

LINE LEVEL

INPUT

- -

+ +

1

1

32

32

40
41
41

5

SPEAKER LEVEL

LR

OUTPUT

5

+ +

5

INPUT

- -

5

35

5

17
5

27

9

45

23

23

45

28

33

23

33

23

2

29

25

C

13

14

24

34

7

22

37

26

F

4

36

19

24

34

37

23

33

12

15

8

16

A

21

10

B

3

3

23

19

20

20

4

EXTERIOR PARTS LIST

Mark No. Description Part No.

1 Screw (PW SW,LED) BBZ26P080FMC
2 Screw (HS Holder) BBZ30P080FMC
3 Screw
4 Screw (GND Cord) BMZ30P080FMC
5 Screw (Rear Panel) BYC30P100FZK

6 Screw (Speaker) BYC40P200FZB
7 HS Holder E305002
8 PCB Holder E305003
9 TS Holder E305005

10 Rear Panel E305006B
11 Insulation Sheet (PWS ASSY) E305033

12 Shield Sheet (HEAD ASSY) E305034
13 Spacer (Heat Sink) E305518

14 Fuse (FU501 : 1.6A250V) FSE1.6A250

15 HEAD ASSY HEAD1002
16 INPUT ASSY IN1002

17 Cord Bush (Power Cord) KBUF41
18 LED ASSY LED1002
19 Nut (GND Cord,Sub PWR. T.) NB30FMC
20 Nut (Main PWR. T.) NB40FMC

(Terminal,Jack,PCB Hold)

BBZ30P100FZB

S-W80S

21 Screw (HEAD ASSY) PBZ26P080FZK
22 Screw (POA ASSY) PMZ30P060FMC
23 Screw (TR,TS,HS,Sub PWR. T.) PMZ30P100FMC
24 Screw (Main PWR. T.) PMZ40P120FMC
25 POA ASSY POA1002

28 Transistor (Q111) Q2SC51980
29 Transistor (Q112) Q2SA19410
30 Power Transformer (T501)(Main) T0660

31 Power Transformer (T502)(Sub) T1120

35 AC Power Cord WPPHP-205

26 POS ASSY POS1002E
27 PWS ASSY PWS1002

32 Screw (Network Assy) TMZ40P300FZB
33 Washer (Tr,Sub PWR T.) WC30FMC
34 Washer (Main PWR T.) WC40FMC

36 Washer (GND Cord) WS30FMC
37 Washer (Main PWR. T.) WS40FMC
38 Speaker 305113
39 Power Switch Knob 305121
40 Phase Switch Knob 305122

41 Volume Knob 305123
42 Packing (Front Panel) 305212
43 Packing (Speaker) 305216
44 Cord Bush (SP Cord) 926209
45 TR Insulating Sheet ZCW-4

46 Front Panel 305109
47 Paper Duct 305211
48 Duct Ring 305110

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1

23

S-W80S

3. SCHEMATIC DIAGRAM

INPUT, HEAD, POA, LED, PWS and POS ASSYS

4

A

INPUT
ASSY

(IN1002)

B

C

PWS ASSY
(PWS1002)

D

AC220~230V 50/60Hz

T0660

250V1.6A

D5SBA60

POS ASSY
(POS1002E)

NOTE FOR FUSE REPLACEMENT

6

A

B C E F

1234

CAUTION

FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
REPLACE ONLY WITH SAME TYPE AND RATINGS ONLY.

5

678

S-W80S

Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".

: AUDIO SIGNAL ROUTE

HEAD ASSY
(HEAD1002)

1. Resistor
Unit : Unmarked K : kΩ, M : MΩ
Ratings : Unmarked 1/16W
Accuracy : Unmarked ± 5% (J)

2. Capacitor
Unit : Unmarked µF, p : pF

LED ASSY
(LED1002)

Display : Capacitor/Voltage

3. Voltage•Current

4. Others
indicates the signal route.

Be sure to use parts of identical designation at mark.

5. Switch
HEAD ASSY

SW ASSY

6. Parts sign

Film Capacitor with unmarked voltage 100V
Ceramic capacitor with unmarked voltage 100V

: Input and output voltage for rating output
: DC voltage at no signal input (V)

Inside ( ) is DC voltage (V) at rating output.

: DC current at no signal input

S1 : PHASE 0° –180°
VR1 : TURN OVER CONTROL

50Hz – 200Hz

VR2 : LEVEL

MIN – MAX

SW501 : POWER ON – OFF

Nonflammable resistor sign :
Nonflammable surfacing resistor sign :
Fusibel resistor sign :
Mylar film capacitor sign :

A

B

C

E.

LY.

POA ASSY

D

(POA1002)

ST90AR3V3

B C

5

6

7

D

8

7

1

S-W80S

23

4

4. PCB CONNECTION DIAGRAM

A

NOTE FOR PCB DIAGRAMS :

1. Part numbers in PCB diagrams match those in the schematic
diagrams.

2. A comparison between the main parts of PCB and schematic
diagrams is shown below.

Symbol In PCB
Diagrams

B

3. The parts mounted on this PCB include all necessary parts for
several destinations.
For further information for respective destinations, be sure to
check with the schematic diagram.

4. View point of PCB diagrams.

BCE

BCE

D

Connector

Symbol In Schematic
Diagrams
BCEBCE

BCE

BCE

DGGSS

DGS

Capacitor

Part Name

Transistor

Transistor
with resistor

Field effect
transistor

Resistor array

3-terminal
regulator

SIDE A

B

CN3

4.1 INPUT ASSY

A

INPUT ASSY

P.C.Board

Chip Part

SIDE B

C

D

SIDE A

8

A

1234

5

678

4.2 HEAD ASSY and LED ASSY

B

HEAD ASSY

S-W80S

A

Q2
Q1

Q5

IC2 Q6 IC1 IC3 Q4 IC4

B

C

D

D

LED ASSY

A

J3

CN505

F

C

J101

SIDE A

DB

5

6

7

8

9

A

Q114

IC101

Q113

B

1

S-W80S

4.3 POA ASSY

C

POA ASSY

23

4

B

SP

C

Q109

Q108

Q106
Q103

Q110

Q107
Q104

Q105

Q101
Q102

F

CN504

D

CN6

B

10

SIDE A

C

1234

5

Sub Power
Transformer

Sub Power
Transformer

AC Power Cord

Q503 Q502

Q501

POS ASSY

F

PWS ASSY

E

SIDE A

J103

C

J4

B

LIVE

NEUTRAL

4.4 POS ASSY and PWS ASSY

678

S-W80S

A

B

C

D

5

6

7

FE

8

11

S-W80S

5. PCB PARTS LIST

NOTES:•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.
When ordering resistors, first convert resistance values into code form as shown in the following examples.

•

Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).

560 Ω→56 × 10
47k Ω→47 × 10

0.5 Ω→R50 ..................................................................................... RN2H R 5 0 K

1 Ω→1R0 ..................................................................................... RS1P

Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).

5.62k Ω→ 562 × 10

1

→ 561 ........................................................ RD1/4PU 5 6 1 J

3

→ 473 ........................................................ RD1/4PU 4 7 3 J

1 R 0

1

→ 5621 ...................................................... RN1/4PC 5 6 2 1 F

K

Mark No. Description Part No.

LSIT OF ASSEMBLIES

INPUT ASSY IN1002
HEAD ASSY HEAD1002
POA ASSY POA1002
PWS ASSY PWS1002
LED ASSY LED1002

POS ASSY POS1002E

A

INPUT ASSY

INPUT ASSY has no service part.

B

HEAD ASSY

RESISTORS

VR1 RK1632503B
VR2 RK1631203A

C

POA ASSY

SEMICONDUCTORS

IC102,IC103 IICP-F10
IC101 ITA7317P

Q101,Q102,Q114 Q2SA1048GR
Q103 Q2SA1049GR
Q110 Q2SA1358Y

Mark No. Description Part No.

D

LED ASSY

LED ASSY has no service part.

E

PWS ASSY

PWS ASSY has no service part.

F

POS ASSY

SEMICONDUCTORS

Q502 Q2SA1048GR
Q501 Q2SC2458GR

D501 D1B4B42

Q503 Q2SC2458GR
D502 D1N4002

RELAY

RY501 YG5PA-1

OTHERS

TH501 (Thermal Protector) ST90AR3U3

Q106 Q2SA9490
Q107 Q2SC22290
Q104,Q105,Q113 Q2SC2458GR
Q109 Q2SC3421Y
Q108 Q2SC982

D104 DD5SB40

D101 DMTZ3.9B
D105,D107 D1N4002
D102,D103 D1SS133

RELAY

RY101 YG5S-1

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6. ADJUSTMENT

There is no information to be shown in this chapter.

S-W80S

LED ASSY

PWS ASSY

When mounting, be sure to make the binding process
for the Power SW cord and LED cord by vinyl tape.

7. GENERAL INFORMATION

7.1 DISAASEMBLY

Removing the Amplifier Assy

1 ) The Amplifier Assy is attached to the cabinet by 4 external

screw 1. To detach it, pull down the subwoofer toward the
left side. Then unfasten those screws 1 (× 4)

Screw 1

2 ) Stand up the speaker again. After unfastening the rear panel

screw 2 (× 8), pull straight the Amplifier Assy toward back
about 13cm. Then remove the connecting cord of PWS Assy
and LED Assy. Next, pull out the Amplifier Assy and remove
the speaker cords.

SPEAKER LEVEL

- -

2


2


LR

OUTPUT

INPUT

2


2

2

2

2

+ +

2

Rear Panel

3 ) The PWS Assy and LED ASSY is attached to the front panel by

each 2 screws. To detach them, remove the Amplifier Assy
first. Then unfasten each screws from the cabinet back side.

Removing the Subwoofer

1 ) The speaker element is attached to the back board by 4 external

screws 3 and washers. To detach it, unfasten those screws and
washers.

2 ) When attaching the speaker, face its terminal downward.

(Screws must be used with washers.)

3

3

3

3

Amplifier Assy

When mouting the Amplifier Assy, be sure to
make the binding process for the speaker cord,
power SW cord, and LED cord by the binder.

50 200

Hz

LINE LEVEL

SPEAKER LEVEL

OUTPUT

LR

OUTPUT

INPUT

LINE LEVEL

INPUT

- -

+ +

Removing the Front Panel

The front panel is attached to the baffle by press-fitting.
To detach it, pry it open by inserting a flat blade screwdriver
into lower side.

13

S-W80S

8. PANEL FACILITIES AND SPECIFICATIONS

FRONT PANEL

STANDBY/
POWER ON

POWER

1 Power Indicator (STANDBY/POWER ON)

When power is switched on, the power indicator lights green. If
no signal is present for more than 8 minutes, the subwoofer
automatically revents to standby mode and the power indicator
lights red. If, subsequently, a signal is received, power
automatically comes back on and the power indicator lights
green.
* If you not using the unit for an extended period of time,

please switch off using the power switch, and make sure that
the power indicator goes out.

1
2

REAR PANEL

TURNOVER LEVELPHASE

— 0˚ _ 180˚

50 MIN MAX200

LINE LEVEL

OUTPUT

4
5

LINE LEVEL

INPUT

6 Turnover knob (TURNOVER)

Sets the high limit of the frequency played back by the
subwoofer.

• Setting Criteria

50Hz................ when the diameter of the left/right speakers

is 20 cm or more.

100Hz.............. when the diameter of the left/right speakers

is 10-25 cm.

200Hz.............. when the diameter of the left/right speakers

is 12 cm or less.

Hz

SPEAKER LEVEL

- -

+ +

LR

OUTPUT

INPUT

6

73

8

9

2 Power Indicator (STANDBY/POWER ON)

When pressed, power is turned ON; when pressed again, power
is turned OFF.

3 Phase Switch (PHASE — 0° / _ 180°)

When depressed (_ 180º), the output phase becomes the
reverse of the input signal, and when raised (— 0º), it is in the
same phase as the input signal.

• Normally, the switch is set to (— 0º).

But when the sound connection between the subwoofer and
the left and right speakers sounds unnatural, try switching to
180º and set the switch in the position where the sound is
natural.

4 Line Level Output terminal (LINE LEVEL OUTPUT)

Used for connection other equipment through the amplifier.

5 Line Level Input terminal (LINE LEVEL INPUT)

Connectors to the stereo amplifier's SUBWOOFER PRE-OUT
terminal, with the specially provided RCA plug cord.

7 Level knob (LEVEL)

Sets the subwoofer volume.

• Turn the knob slowly from the MIN position.

• With the unit, the bass level can be independently set, so do

not turn up the bass on the stereo amplifier.

8 Speaker Level Output terminals

(SPEAKER LEVEL OUTPUT)

When the speakers output terminals on the stereo amplifier are
connected to this unit's SPEAKER LEVEL INPUT terminals 9
and used as the unit's input signal, these terminals are used to
connected the left and right speakers via the unit.

9 Speaker Level Input terminals

(SPEAKER LEVEL INPUT)

Connect to the speakers output terminal on the stereo amplifier,
with the specially provided speaker cords.

14

SPECIFICATIONS

Cabinet .......................... Floor type with bass-reflex system

Speaker (Magnetically shielded type) ........ 16cm cone type

Power Amplifier

Continuous Power Output (RMS)...... 80W/8Ω (30-200Hz)

Total Harmonic Distortion ............................................. 0.5%

Above specifications are for when power supply is 230V.

•
(30-200Hz, 8Ω, 20W)

Input (sensitivity at 100Hz/impedance)

SPEAKER LEVEL................................... 1.6V+1.6V/15kΩ)

(both channels in-phase)

LINE LEVEL (RCA jack) ............................... 160mV/50kΩ)

Turnover Frequency ....... 50-200Hz (continuously variable)

Outline Dimensions ............190(W) × 420(H) × 430 (D) mm

Weight (without package) ........................................... 12.6kg

Power Requirements .......................... 220-230V ~, 50-60Hz

Power Consumption ....................................................... 70W

Power Consumption in Standby mode............................ 1W

Accessories

Speaker cords.......................................................................2

RCA plug cord.......................................................................1

Operating instructions .......................................................... 1

S-W80S

Note:

Specifications and design subject to possible modification
without notice,due to improvements.

Accessories

• Speaker Cord ×2
305131 (L=3m)

• RCA Pin Cord ×1
305232 (L=3m)

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