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15

PS18/28/48 Service Manual

8

10

5

4

7

3

9

1

2

11

6

Item 

Number 

Description Part 

Number 

Qty 

Note 

AMP MODULE ASSY, 120V 
AMP MODULE ASSY, 230V 
AMP MODULE ASSY, 100V 
AMP MODULE ASSY, DUAL-V 

277096-132F

 

277096-631F

 

277096-631F

 

277096-631F

 

1 1, 

SCREW, TAPP, 8-11x.75, PAN, XRC/SQ   

172672-12 

14 

 

3 GRILLE, 

BLACK 

GRILLE, WHITE 

256761-001 
256761-002 

1  

COVER, REAR, BLACK 
COVER, REAR, WHITE 

256762-001 
256762-002 

1 3 

 

SCREW, 8-32X.75, RLX, PN, QDRX, BLACK 
SCREW, 8-32X.75, RLX, PN, QDRX, WHITE 

260400-12 
193637-20 

2  

SCREW TAPP, 8-11X1.25, PAN, XRS/C   

172672-20 

 

LOGO, NAMEPLATE, GRILL, BLACK 
LOGO, NAMEPLATE, GRILL, WHITE 

258484-01 
258484-02 

1  

INSERT, PLASTIC, REAR COVER, BLACK 
INSERT, PLASTIC, REAR COVER, WHITE 

258485-01 
258785-02 

1  

GASKET, GILLE EDGE 

260349 

 

10 

TAPE, VHB, REAR, COVER, PLUG 

262871 

 

WOOFER ASSY,5.25" 2.33 OHM       

256765 

 

GASKET, WOOFER                    

263455 

 

 

PS18/28/48 Bass Module Assembly Part List

Important - Note 4.

 This part is set to the Lifestyle

®

 28/38 system equalization. To use this part on

a Lifestyle

®

 18, 35 or 48 system, refer to the instructions located on page 31 for setting the Equal-

izer using TAP commands. Except for the Lifestyle

®

 18 system, in place of using TAP commands to

set the EQ, the customer may use the Bose

®

 AdaptIQ

TM

 audio calibration system to customize the

EQ to their room. The Lifestyle

®

 18 system bass module is set to provide a lower outut to match

the single cubes, which can only be set using TAP commands

.

 The AdaptIQ audio calibration

system is shipped with the Lifestyle

®

 18,28,35

,38,48

 system.

For other notes referenced, refer to the part list notes at the beginning of the part list section.

Figure 9. Bass Module Exploded View

Summary of Contents for Lifestyle PS 18

Page 1: ...System 5 Single Cube Speakers PS18 bass module Lifestyle PS 18 28 and 48 Digital Acoustimass Powered Speakers Service Manual 2005 Bose Corporation Reference Number 268795 SM Rev 04 Electronic copy onl...

Page 2: ...ntials Kit Exploded View 9 Lifestyle 18 Lit Kit Part List 10 Lifestyle 28 Lit Kit Part List 10 Lifestyle 35 Lit Kit Part List 10 Lifestyle 18 Single Cube Speaker 5 Pack Packaging List 11 Lifestyle 28...

Page 3: ...HE UNIT TO THE CUSTOMER B Insulation Resistance Test Cold Check 1 Unplug the power supply and connect a jumper wire between the two prongs of the plug 2 Turn on the power switch of the unit 3 Measure...

Page 4: ...1 4 3 2 Ohms wired in series Amplifier power Bass Channel 125W 0 2 THD 40 Hz 200 Hz 120 Vrms AC mains L R C LS RS 20W 0 2 THD 200 Hz 15 kHz 120 Vrms AC mains Input impedance Bass Module 1 16 Ohms two...

Page 5: ...kit Essentials Kit Remote batteries antennas power pack line cords IR Blaster TV sensor Lit Kit Feet owner s guide installer s guide Cube Speaker Pack Cubes connection cables Bass Module Assembly Amp...

Page 6: ...S MODULE 120V BLACK PS18 BASS MODULE 120V WHITE PS18 BASS MODULE 230V BLACK PS18 BASS MODULE 230V WHITE PS18 BASS MODULE DUAL BLACK PS18 BASS MODULE DUAL WHITE 269720 119 269720 129 269720 219 269720...

Page 7: ...1 8 BASS MODULE BLACK 120V BASS MODULE WHITE 120V BASS MODULE BLACK 220V BASS MODULE WHITE 220V BASS MODULE BLACK DUAL BASS MODULE WHITE DUAL 269498 119 OR 269720 119 267498 129 OR 269720 129 269498...

Page 8: ...28 35 BASS MODULE BLACK 220V PS18 28 35 BASS MODULE WHITE 220V PS18 28 35 BASS MODULE BLACK DUAL PS18 28 35 BASS MODULE WHITE DUAL 269499 119 or 269720 119 266499 129 or 269720 129 266499 219 or 26972...

Page 9: ...AMERICA MID E S AF SE ASIA EAST ASIA DUAL V LINE CORD 230V AV28 134725 UK SING 7 LINE CORD 240V AV28 134726 AUS 1 3 LINE CORD 120V PS18 28 48 263453 006 US CAN DUAL V LINE CORD 220V PS18 28 48 264355...

Page 10: ...9 PS18 28 48 Service Manual 1 2 3 9 5 6 7 8 4 10 11 12 13 14 15 Figure 4 LS18 28 35 Essentials Kit Exploded View...

Page 11: ...342 AUS EU S AF MID E 1 INSTALL GUIDE 3 LANG 264343 ALL INSTALL GUIDE 5 LANG 264344 AUS EU S AF MID E 1 BAG POLY 14 38x9 87x2 mil 103351 ALL 1 CARD INFO WARRANTY MULTI LANG 181460 AUS EU S AF MID E UK...

Page 12: ...51 002 1 3 CABLE AUDIO DUAL RCA 185931 01 1 4 CABLE VIDEO 6 YL 183200 1 5 CABLE S VIDEO 6 258369 1 6 CABLE COMPONENT VIDEO ADAPTOR 260350 7 CABLES SPKR 18 AWG L C R BLACK CABLES SPKR 18 AWG L C R WHIT...

Page 13: ...12 PS18 28 48 Service Manual 12 1 2 3 5 8 7 6 9 4 10 11 1 2 7 8 6 4 3 5 10 9 13 12 Figure 5 LS18 28 Cube Pack Exploded View Figure 6 LS35 Cube Pack Exploded View...

Page 14: ...CK W O SLOT GRILLE CUBE WHITE W O SLOT 192935 01 192935 03 1 3 GRILLE CUBE BLACK W SLOT GRILLE CUBE WHITE W SLOT 192935 02 192935 04 1 4 SNAP RING 178709 1 5 H RING SEAL BLACK H RING SEAL NATURAL 1787...

Page 15: ...ker Part List Figure 8 Cube Exploded View Release the grille from these catches 1 2 Item Number Description Part Number Qty Note 1 GRILLE BLACK GRILLE WHITE 192410 019 192410 029 2 2 LOGO 1 DIAMOND CU...

Page 16: ...ILLE EDGE 260349 2 10 TAPE VHB REAR COVER PLUG 262871 1 WOOFER ASSY 5 25 2 33 OHM 256765 2 GASKET WOOFER 263455 2 PS18 28 48 Bass Module Assembly Part List Important Note 4 This part is set to the Lif...

Page 17: ...01 1 3 16 HEATSINK ASSY DSP 260369 1 17 PAD CONDUCTIVE THERMAL 258353 001 1 18 PAD CONDUCTIVE THERMAL 258356 001 1 19 SCREW 6 32X1 2 THREAD ROLLING 258492 08 18 20 GASKETING EMI 256826 001 1 21 GASKET...

Page 18: ...0603 1W 5 199403 203 R153 75 0K 1206 1 8W 1 124894 7502 R154 75 0K 1206 1 8W 1 124894 7502 R155 75 0K 1206 1 8W 1 124894 7502 R156 75 0K 1206 1 8W 1 124894 7502 R157 261K 1206 1 4W 1 124894 2613 R158...

Page 19: ...99403 391 R407 261K 1206 1 4W 1 124894 2613 R410 261K 1206 1 4W 1 124894 2613 R411 261K 1206 1 4W 1 124894 2613 Reference Designator Description Part Number Note C101 0 1uF FILM X1 310VAC 15MM 260387...

Page 20: ...OX 85 100V 5 137127 102 C237 3300pF 1206 X7R 50V 10 124957 332 C238 3300pF 1206 X7R 50V 10 124957 332 C239 3300pF 1206 X7R 50V 10 124957 332 C240 22uF EL 105 63V 20 196991 220I C241 22uF EL 105 63V 20...

Page 21: ...umber Note U101 HV RESONANT CONTROL L6598 254119 001 U102 OPTO ISOLATOR CNY17F 1 254120 001 3 U103 OPTO ISOLATOR CNY17F 1 254120 001 3 U201 VOLT REG 37V POS 137927 U202 VOLT REG 37V NEG 137927 U203 TL...

Page 22: ...1 CONN AC INPUT IEC320 W O WINGS 256777 001 3 J102 CABLE AC INPUT 258454 001 3 J103 CONNECTOR 2 POS POWER 258436 3 J104 CLIP GROUND SPRING 260365 001 J105 CLIP GROUND SPRING 260365 001 J204 CONNECTOR...

Page 23: ...R302 10K 0603 1W 1 191465 1002 R303 3 9K 0603 1W 1 191465 3901 R304 4 7 OHM 0805 1 10W 5 133626 4R75 R305 100K 0603 1W 5 199403 104 R401 560 OHMS 0603 1W 5 199403 561 R402 10K 0603 1W 1 191465 1002 R4...

Page 24: ...8uF 0603 X7R 50V 191470 682 C205 01uF 0603 X7R 50V 191470 103 C209 470pF 0603 COG 50V 5 188454 471 C301 1uF EL 85 50V 20 177902 010H C302 0068uF 0603 X7R 50V 191470 682 C304 0 1uF 0805 X7R 50V 10 1336...

Page 25: ...Q3 NPN SOT 47K 146817 Q4 2SA1179N6 CPA TB 258007 Q5 2SA1179N6 CPA TB 258007 Q6 2SA1179N6 CPA TB 258007 Q7 NPN SOT 47K 146817 Q401 2SC2812 SOT23 134741 Q601 NPN 25A 80V 256095 001 OR 256095 002 Q602 PN...

Page 26: ...5 199403 331 R41 100 OHM 0603 1W 5 199403 101 R101 270 OHMS 0603 1W 5 199403 271 R104 4 7K 0603 1W 5 199403 472 R105 4 7K 0603 1W 5 199403 472 R106 33K 0603 1W 5 199403 333 R107 4 7K 0603 1W 5 199403...

Page 27: ...0K 0603 1W 1 191465 1002 R450 10K 0603 1W 1 191465 1002 R451 10K 0603 1W 1 191465 1002 R452 10K 0603 1W 1 191465 1002 R453 10K 0603 1W 1 191465 1002 R454 10K 0603 1W 1 191465 1002 R455 10K 0603 1W 1 1...

Page 28: ...465 1002 R637 10K 0603 1W 1 191465 1002 R639 18 2K 0603 1W 1 191465 1822 R640 18 2K 0603 1W 1 191465 1822 R641 24 3K 0603 1W 1 191465 2432 R642 39 2K 0603 1W 1 191465 3922 R643 33 2K 0603 1W 1 191465...

Page 29: ...188454 330 C103 047uF 0603 X7R 25V 5 196999 473 C104 047uF 0603 X7R 25V 5 196999 473 C105 047uF 0603 X7R 25V 5 196999 473 C106 470pF 0603 COG 50V 5 188454 471 C107 047uF 0603 X7R 25V 5 196999 473 C10...

Page 30: ...440 047uF 0603 X7R 5 25V 196999 473 C441 047uF 0603 X7R 5 25V 196999 473 C442 220pF 0603 COG 50V 5 188454 221 C443 047uF 0603 X7R 5 25V 196999 473 C444 047uF 0603 X7R 5 25V 196999 473 C450 4700pF 0603...

Page 31: ...5 COG 50V 5 133622 102 C905 1000pF 0805 COG 50V 5 133622 102 C906 1000pF 0805 COG 50V 5 133622 102 C911 1000pF 0603 X7R 50V 191470 102 C912 047uF 0603 X7R 5 25V 196999 473 C913 01uF 0603 X7R 50V 19147...

Page 32: ...503 VOLT REG ADJ 500MA DPAK 258496 001 U601 OCTAL BUFFER 3V TSSOP 20 193841 004 U602 RESET 3 3V SOT23 5 PIN 256123 001 Reference Designator Description Part Number Note FB1 400 OHMS CHIP 0805 188587 4...

Page 33: ...COM port on your computer that you will be connect ing the bass module to and then click OK 4 In the COM1 Properties window make the selections in the various fields as shown 5 In the Hyper Terminal w...

Page 34: ...33 PS18 28 48 Service Manual Figure 11 Test cable part number 264564 6 8 7 8 PIN RJ45 2 3 RCA PLUG 9 PIN D SUB FEMALE 8 PIN RJ45...

Page 35: ...should be seen on your computer screen The results may differ depending on the unit settings If no S PDIF signal is applied the sample rate will be 29 kHz SAMPLE RATE 44101 30 SPKR TYPE 02 DIP VALUE 1...

Page 36: ...egular program material 1 3 Sweep the bass module from 40 Hz to 300 Hz Listen carefully for any buzzes rattles or extraneous noises coming from the bass module Note Redress any wire or component that...

Page 37: ...rround 16dB 2 0dB Right Surround 16dB 2 0dB Bass 22dB 2 0dB 7 Bass Channel Large Signal Distortion 7 1 Apply a 100 Hz signal to the A D converter input at a level to obtain 11 Vrms measured at the bas...

Page 38: ...Remove four screws pull off cover 2 Amp Module Removal Remove six screws pull off amp module unplug woofer harness 3 Amplifier Module Cover Removal Remove 12 screws 4 Power PCB Removal Disconnect J10...

Page 39: ...ur screws lift up AMP PCB ensure grounding clips and heat sink insulator remain in place note spring bar location for reference when replacing AC Jack PCB Remove 2 screws lift up AC Jack PCB AMP PCB E...

Page 40: ...removable 1 Grille Removal Remove grille with a flat plastic blade tool Cube Speaker Disassembly Procedures Double and Single Cube Disassembly Jewel Cube Disassembly 2 Twiddler Speaker Removal Pull of...

Page 41: ...8 48 Service Manual Figure 13 PCB Part Number Identification Figure 14 Date Of Manufacture DOM Identification The DOM is the four underlined numbers in the serial number Example DOM 1303 YDDD 303rd da...

Page 42: ...Revision Page Revison 00 01 Changed part number 260351 001 to 260351 002 per ECN32954 Revision 03 04 Add new service bom part numbers for PCBs new DSP PCB ECN 36696...

Page 43: ...Specifications and Features Subject to Change Without Notice Bose Corporation The Mountain Framingham Massachusetts USA 01701 R N 268795 SM REV 04 08 05 H http serviceops bose com...

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