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ORDER NO.

TRT1123

LINEAR POWER ACTIVE SUBWOOFER

TS-WX20LPA
EW 1. SPECIFICATIONS
· Speaker specifications Size ............................................................... 200mm (8" Dia.) Injection-molded polypropylene cone Heat-resistant voice coil Strontium magnet : 1,160g (41oz) · Amplifier Max. Power output ............................ 200W (60Hz, 35% THD) Continuous output power ................................................. 100W DIN output power (DIN45324, 60Hz, 4+B=14.4V) ..... 100W INPUT LEVEL (at Gain Max) (RCA) ............................................. 100mV+100mV/20k (Speaker line) ............................................ 2.0V+2.0V/5k Power source ....................... DC14.4V (10.8~15.6V allowable) Max. current consumption .................................................. 14A Grounding ....................................................... Negative ground · Speaker system ................................................... Bass reflex type · Cabinet material ........................... High-density compound resin · Sensitivity ....................................... 106dB/W (In car, SUV type) · Size ............................................................................................... ... 282mm(11-1/8")(W)×291mm(11-1/2")(H)×431mm(17")(D) · Weight (including accessory parts) ............... 9.06kg (19lb 15oz) · Gross weight (including packaging) ............... 10.0kg (21lb 2oz) Note: Specifications and the design are subject to possible modification without notice due to improvements.

2. HOW TO INSTALL
Iron plate

Belt end Backle

PIONEER ELECTRONIC 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 ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

c PIONEER ELECTRONIC CORPORATION 1999
H ­ IZX JUNE 1999 Printed in Japan

TS-WX20LPA

3. 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.

3.1 MAIN UNIT
20 29 23 ×7 28 23 27 23 23 26 19 9 6 5 11 4 17 14 8 11 10 13 17 18 19 7 15 3 23 ×8 2 28 21 12

22

24

25 18

7

18

18

12

1 16

· MAIN UNIT PARTS LIST
Mark No.
NSP NSP NSP NSP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Description
Speaker CONTROL UNIT AMP UNIT Port Port Panel Front Baffle Assy Packing Top Panel Cabinet Baffle Assy Baffle Screw Cushion Packing Sound Absorber

Part No.
20-210AZ TWG1013 TWH1021 TFX1026 TLM1419 TXL1269 TED1438 TLM1418 TLM1444 TXL1273 TLM1417 TBA1120 TED1366 TED1437 TED1439

Remark
×1 ×1 ×1 ×1 ×1 ×1 ×2 ×1 ×1 ×2 ×2 ×12 ×1 ×2 ×1

Mark No.
16 17 18 19 20

Description
Packing Packing Screw Screw AMP Assy 21 Heat Sink 22 Terminal Panel 23 Screw 24 Shield Case 25 26 27 28 29 Packing Cushion Cushion Cushion PCB Unit

Part No.
TED1442 TED1483 BPH50P250FZK BPZ40P120FZK TWZ1016 TNA1509 TNS1019 BBZ30P080FMC TNA1510 TEB1332 TED1417 TED1471 TEC1416 TWX1024-AZ

Remark
×1 ×3 ×15 ×6 ×1 ×1 ×1 ×20 ×1 ×1 ×1 ×2 ×2 ×1

NSP

2

TS-WX20LPA

3.2 PACKING PARTS LIST
Mark No.
1 NSP 2 NSP 3

Description
Parts Bag 1-1 Screw 1-2 Fitting Metal Belt Assy Cord Poly. Assy 3-1 Cord 3-2 Cord 3-3 Cord

Part No.
TEA1272 BNC40P250FZK TNA1220 TXH1420 TXH1572 TDC2255 TDC2244 TDC2245

Remark
×1 ×8 ×4 ×2 ×1 ×1 ×1 ×1 ×1 One pair ×1

PARTS INCLUDED
1-1

1 1 1-2 2
×8 ×4

2

3

×2 4.8m ×1 5m

Operating Instructions TRD1165 Styrofoam Protector TEC1902 Packing Case THF3333

3-1

4

3-2

3

5
3-3 25cm

×1

6

×1

4. CONTROLS AND THEIR USE
CROSSOVER FREQUENCY
50Hz 80Hz 125Hz TS-WX20LPA

Full-range Speaker Continuously Variable

1 Power indicator Lights up when power is turned on. 2 Frequency control Turn this knob to change the frequency during sound reproduction. Set the knob to the bass setting of your choice (continuously variable from 50Hz to 125Hz). 3 Gain control Use this control to set the desired gain level. 4 Phase switch Use switch to select the phase according to the system. 5 BFC (Beat Frequency Control) switch If beating is heard when listening to AM stations on your car radio, change the position of the BFC switch with a small flat-bladed screwdriver.

3

TS-WX20LPA

5. CONNECTIONS
Wiring Example 1 (Speaker line Input system)
Connect all the other leads, and finally connect this terminal to the positive (+) terminal of the battery. 15A

Speaker

4
For ground

5 6
Black

0.5A Blue Car stereo

TS-WX20LPA Speaker line input Connect firmly to a metal part of the car body. Improper grounding will cause this unit to operate abnormally.

When using the speaker line input, be sure to connect the cord to the lead of the accessory power cord.

Wiring Example 2 (RCA Input system)
Connect firmly to a metal part of the car body. Improper grounding will cause this unit to operate abnormally.

Speaker Power amplifier RCA cord (Not included)

15A

4

5
For ground 0.5A

TS-WX20LPA Deck, etc. Blue

RCA preout

System remote control output

System remote control input cord (blue cord included) supplies power to your unit, determining whether it is ON or OFF. Wire the cord to the system remote control output of your deck, etc.

4

1

2

3

4

TS-WX20LPA

6. PCB UNIT(TWX1024-AZ)
6.1 SCHEMATIC DIAGRAM
6.1.1 CONTROL UNIT
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
A

: AUDIO SIGNAL ROUTE

A
CN101

CONTROL UNIT (TWG1013)
TP101 C101 1/50 (NP) R117 10k R107 10k

ISOLATOR

GAIN + C112
47/16

PHASE

BUFFER

POWER IND.
R127 10k TP126 D104 1

4

IC101 1 (1/2) 2

VR101 5k

SW102 Nor

R118 30k

IC102 (2/2) 7 9 6 R120 150k C107 100p

TP114

BFC
SW101

RCA INPUT
TP102 TP103

C110 0.001 (EMI)

C111 0.001 (EMI)

C103 R125 1/50 10k (NP)

R109 10k R111 20k C118 0.1

3 Rev R113 20k C105 100p C106 100p R115 2.2k R116 2.2k R122 12k VR102 20k 8

TP111

R119 8.2k R121 30k R126 300k

CN104
BFC 1 SW 2 Sig.G 3 -15.4V

L+ L­ 2 R­ R+ 4 1 3 2 4

CN102
1 3

TP105 R101 2.2k R105 240 R103 2.2k TP106 R102 2.2k TP107 R106 240 R104 2.2k

TP104 FG101

B

TP112

4 +15.4V 5 Sig. 6 REMOTE

C114 0.001 (EMI)

C115 0.001 (EMI)

LOWPASS FILTER
C108 0.068 IC102 (1/2) 4 2 3 5 R124 6.2k

TP113 TP115 TP116 D106 D105

7 5 IC101 (2/2)

20k

47/16

TP108 L101 10mH (EMI) R128 1k

TP125 REMOTE 0.5A 2 GND 4 15A BACKUP +DC14,.4V D101 6 3 5 4 6 3 5 GND D102 C117 0.1 1 2 1

CN103
REMOTE

D103

B
C
IC101,IC102 D101 D102 D103 D104 D105,D106 UPC4570H GP30DL-6372 ERA15-02VH RD6R8JS SLH-34VC3F RD4R3ES

C104 R129 1/50 10k (NP)

R110 10k

6

C109 0.15

+ C113

CN105
BACKUP 1

TP121 TP122

B
CN202

BACKUP GND GND

2 TP123 3 TP124 4

C116 0.1

CN201

SP INPUT

C102 1/50 (NP) R130 10k

R112 20k R108 10k

R114 20k

R123 12k

D

1

2

3

A
4

5

1

2

3

4

TS-WX20LPA

6.1.2 AMP UNIT
A

B

AMP UNIT (TWH1021)

MUTING CN201
BFC SW 1 Sig.G 2 TP201 TP202 TP203 TP204 TP205 TP206 R252 1.2k D209 Q220 R260 18k R261 24k C230 0.068

LOWPASS FILTER

4 C231 0.033 3

IC202 (2/2) 2

A
CN104

-15.4V 3 +15.4V 4 Sig. 5 REMOTE 6

+

C229 220 /16 R253 1k

D210 TP225 C232 47 /16 R254 22k

Q219

R233 100k

D211 +

B

CN202
BUCKUP 1

L201 0.2mH TP209 TP210 TP211 TP212 (EMI) C227 0.1

L202 10mH (EMI) C201 0.1 C233 0.1

A
CN105

BUCKUP 2 GND 3 GND 4

+ C234
220 /16

R272 10 1w

R273 10 1w

TP208 FG201 TP218 TP207

Q222

Q223

TP217 R265 10k R262 10k D215 D216 Q231 Q233 Q226 C236 0.1 C241 0.1

Q235

C

R255 4.7k

D213 Q224

R257 8.2k

Q228 Q225 D214 Q229

R259 10k R267 10k Q230 Q232

R264 4.7k

R263 10k

R266 1k 1W Q234 C226 0.1

Q221

C240 0.1

R256 1.6k

R258 100

Q227

R269 10k

C235 0.1

D212

TP226

TP227

TP228

THERMAL AND DC-OFFSET PROTECTION

D

6

B
1

2

3

4

5

6

7

8

TS-WX20LPA

: AUDIO SIGNAL ROUTE A
+36V

R230 10 C220 0.22

R238 680 15.4V

R242 160

REGULATOR
C239 22/16(NP) Q236 Q237 R234 620 R250 36k R268 100k C225 68p R235 7.5k IC202 (1/2) 7 1 8 Q211 C211 100 /16 + R226 10 R228 4.7k

R236 15k

Q213

Q215

C222 1000 /50 R244 10 1W

C216 33p

C218 22p D207

Q217

R270 22k

R271 22k

6

5

+

C213 D205 47 C215 /16 220/16

+
R246 0.22 3W R247 0.22 3W

R232 47k

R240 47k R241 47k

R248 220

TP219

CN204 SPEAKER

+

+

+
C212 100 /16

C214 47 /16

D206 C217 33p

R245 10 1W Q216 Q218

D208 C219 22p

R249 10 1W C224 0.033 (EMI)

Q212

R229 4.7k R227 10

B
CN205

+

-15.4V

R237 15k

Q214

C223 1000 /50

TP220 FG202

R203 1k

R204 18k R216 22k Q207 R205 6.8k R206 4.7k C204 2.2/50 R207 4.7k R219 D201 D202 15k R217 1.8k Q208

R221 4.7k

R222 4.7k R239 680 R243 160 C221 0.22 R231 10 -36V R225 240k R251 15k

C203 470/10

+
1 2 3 R201 1M C202 0.001 4 5 6 7 R202 15k 8

Q209

Q210

R220 15k R218 1.8k

+
16 15 14 13 12 11 10 9 Q201 +5V (V REF)

R223 220k

R224 5.1k

+14.3V R212 82 R210 4.7k R211 4.7k TP214 Q202 R209 3.3k Q204 R213 82

Q205 R214 22

D203

(EMI) L203

IC201

Q203

C207 C205 3300/16 0.022 C206 0.022 C228 0.1

+
T201

+ C209
1000 /50 TP215

C

+ C210
1000 /50

C237 0.1 TP213 R208 3.3k

Q206

R215 C208 22 3300/16

+
D204

L204 (EMI)

TP216 TH201

PWM CONTROLLER

DC/DC CONVERTER

TH201 IC201 IC202

TCX1005 UPC494C UPC4570HA 2SA1048 2SA1145 2SA1358 2SB1154 2SB1329

Q209,Q210,Q231 Q213 Q216 Q218 Q202,Q204,Q212,Q235

Q207,Q208,Q223,Q226 Q229,Q230,Q232 Q214 Q215 Q219,Q236,Q237 Q217 Q201,Q203,Q211 Q205,Q206 Q220,Q222,Q224 Q225,Q228 Q221,Q227,Q233,Q234

2SC2458 2SC2458 2SC2705 2SC3421 2SD1468S 2SD1705 2SD2005 2SK1946 DTA114ES DTA114ES DTC114ES

D201,D202,D207-D211 D213-D216 D205,D206 D212 D203 D204

1SS133 1SS133 RD16JS RD9R1JS YG902C2 YG902N2

D

5

6

7

B
8

7

1

2

3

4

TS-WX20LPA 6.2 PCB CONNECTION DIAGRAM
A
IC102 VR101 IC101 VR102

A CONTROL UNIT

B
(TNP1174-B)

B AMP UNIT

C

SPEAKER

D

IC201 Q233 Q235 Q237 Q220 Q221 Q223 Q208 Q210 Q211 Q236 IC202 Q219 Q224 Q232 Q212 Q214 Q216 Q215 Q213 Q217 Q218

Q207 Q206 Q205

Q201

Q204

· This diagram is viewed from the mounted parts side.

8

A B
1

2

3

4

TP121 TP122

1

A CONTROL UNIT

1
TP227 TP226
TP123 TP124

TP212

TP125 TP104

TP211 TP213 TP214
TP208

TP210 TP209

TP108 TP107 TP105 TP106 TP103

TP101 TP102

B AMP UNIT

· This diagram is viewed from the foil side.

2
TP207
TP217

2

TP228

TP216

TP126

TP215

TP225

3
TP218 TP220 TP219

3

TP201 TP206 TP202 TP203 TP204 TP205

TP115
TP113

TP112 TP111

TP114 TP116

4

TS-WX20LPA

A B
C B A

4

9

D

TS-WX20LPA 6.3 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%). 561 ........................................................ RD1/4PU 5 6 1 J 560 56 × 101 473 ........................................................ RD1/4PU 4 7 3 J 47k 47 × 103 0.5 R50 ..................................................................................... RN2H R 5 0 K 1 1R0 ..................................................................................... RS1P 1 R 0 K Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 5621 ...................................................... RN1/4PC 5 6 2 1 F 5.62k 562 × 101 Description Part No. Mark No. Description Part No.

Mark No.

LIST OF ASSEMBLIES
NSP NSP PCB UNIT CONTROL UNIT AMP UNIT TWX1024-AZ TWG1013 TWH1021

B AMP UNIT
SEMICONDUCTORS
IC201 IC202 Q209,Q210,Q231 Q213 Q216 Q218 Q202,Q204,Q212,Q235 Q207,Q208,Q223,Q226,Q229 Q230,Q232 Q214 Q215 Q219,Q236,Q237 Q217 Q201,Q203,Q211 Q205,Q206 Q220,Q222,Q224,Q225,Q228 Q221,Q227,Q233,Q234 D201,D202,D207-D211 D213-D216 D205,D206 D212 D203 D204 UPC494C UPC4570HA 2SA1048 2SA1145 2SA1358 2SB1154 2SB1329 2SC2458 2SC2458 2SC2705 2SC3421 2SD1468S 2SD1705 2SD2005 2SK1946 DTA114ES DTC114ES 1SS133 1SS133 RD16JS RD9R1JS YG902C2 YG902N2

A CONTROL UNIT
SEMICONDUCTORS
IC101,IC102 D101 D102 D103 D104 D105,D106 UPC4570HA GP30DL-6372 ERA15-02VH RD6R8JS SLH-34VC3F RD4R3ES

SWITCHES
SW101 SW102 TSG1009 TSG1010

COIL
L101 TTH1080

CAPACITORS
C112,C113 C101-C104 C116-C118 C109 C108 C105-C107 C110,C111,C114,C115 CEJA470M16 CEJANP1R0M50 CFTNA104J50 CFTNA154J50 CFTNA683J50 CKCYB101K50 CKCYB102K50

COILS · TRANSFORMER
T201 L201 L202 L203,L204 TTT1009 TTH1082 TTH1080 CCG-081

RESISTORS
VR101 (5k) VR102 (20k) Other Resistors TCS1018 TCS1019 RD1/4PU J

CAPACITORS
C218,C219 C216,C217 C225 C211,C212 C215,C229,C234 C204 C203 C213,C214,C232 C239 C201,C226,C227,C233,C235 C236,C237,C240,C241 C228 C205,C206 C220,C221 CCCSL220J50 CCCSL330J50 CCCSL680J50 CEAS101M16 CEAS221M16 CEAS2R2M50 CEAS471M10 CEJA470M16 CEJANP220M16 CFTNA104J50 CFTNA104J50 CFTNA105J50 CFTNA223J50 CFTNA224J50

OTHERS
FG101 CN101 CN102 CN103 TERMINAL PLATE RCA JACK CONNECTOR CONNECTOR LED SPACER SCREW MKX1007 TKS1061 TKS1063 TKS1062 MNK1123 BPZ26P060FZK

10

TS-WX20LPA
Mark No. Description Part No.
CFTNA333J50 CFTNA683J50 CQMA102J50 TCH1235 TCH1236

C224,C231 C230 C202 C207,C208 (3300µF/16V) C209,C210,C222,C223 (1000µF/50V)

RESISTORS
R244,R245,R249,R272,R273 R266 R246,R247 Other Resistors RS1V100JL RS1V102JL RS3LMFR22J RD1/4PU J

OTHERS
CN201 CORD CN202 CORD CN204,CN205 TERMINAL FG201,FG202 TERMINAL PLATE TH201 THERMISTER TDC2248 TDC2247 TKX1006 MKX1007 TCX1005

11