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ls235 service manual

1. Resistors Reference Description Part Number Designator 10K 0603 1W 196 191465 1002 1 02K 0603 1W 196 191465 1021 R9288 7 32K 0603 1W 196 191465 7321 1 02K 0603 1W 196 191465 1021 R9293 2 32 0603 1W 196 191465 2321 33 2K 0603 1W 196 191465 3322 R9298 100 OHM 0603 1W 596 199403 101 7 87 0603 1W 196 191465 7871 R9301 1 02K 0603 1W 196 191465 1021 10K 0603 1W 196 191465 1002 R9303 8 45K 0603 1W 196 191465 8451 R9304 1 02K 0603 1W 196 191465 1021 Capacitors Reference Description Part Number Note Designator 033uF 0603 X7R 50V 10 191470 333 C3 33000pF X7R SMD 0603 25V 257154 333 25 5 33000pF 7 0603 25V 257154 333K25 C8 33000pF X7R SMD 0603 25V 257154 333K25 C11 33000pF X7R SMD 0603 25V 257154 333K25 33000pF X7R SMD 0603 25V 257154 333K25 C13 10uF EL 85 16V 2090 177902 100C C17 01 0603 X7R 50V 191470 103 22pF 0603 COG 50V 596 188454 220 680 pF 0603 COG SMD 25V 596 268368 681 680 pF 0603 COG SMD 25V 596 268368 681 C28 1 0nF 0603 COG SMD 25V 596 268368 102 1 0nF 0603 SMD 25V 596 268368 102 C44 680 pF 0603 COG SMD 25V 596 268368 681 C45 680 pF 0603 COG SMD 25V 596 268368 681 680 pF 0603 COG SMD 25V 596 268368 681 C51 33000pF X7R SMD 0603 25V 257154 333K25 C53 1 0nF 0603 COG SMD 25V 596 268368 102 C58 4700pF 0603 X7R 50V 191470 472
2. C125 33000pF X7R SMD 0603 25V 257154 333K25 C126 33000pF X7R SMD 0603 25 257154 333K25 4 7pF 0603 50V 188454 4R7 DSP List Capacitors Designator C129 33000pF X7R SMD 0603 25V 257 154 333K 25 C132 10uF EL 85 16V 20 177902 100C C135 22uF EL 85 20 16V 10uF EL 85 20 35V 177902 100V C139 33000pF X7R SMD 0603 25V 257 154 333K25 C142 100 0603 COG 50V 5 188454 101 0 1uF x7r 0603 10 50V 191470 104 C144 2200pF 0603 X7R 50V 191470 222 C146 470pF 0603 COG 50V 5 188454 471 147 O1uF 0603 7 50V 191470 103 C150 0 1 x7r 0603 10 50V 191470 104 C151 0 01uF 0805 X7R 50V 1090 286499 103 3 C153 100uF 7343 tant 1096 lo R 10V 275411 107 047uF 0603 X7R 50V 191470 473 C155 1uF EL 85 50V 2096 177902 010H C162 EL SMD 105 35V 20 47uF 306169 470VF C163 180pF 0603 COG 50V 188454 181 C164 180pF 0603 COG 50V 188454 181 C202 180pF 0603 COG 50V 188454 181 C700 22pF COG 0402 50V 596 268364 220 C704 22pF COG 0402 50V 5 268364 220 22pF 0402 50V 5 268364 220 C706 22pF COG 0402 50V 596 268364 220 C708 22pF COG 0402 50V 596 268364 220 C709 22pF COG 0402 50V 596 268364 220 22pF COG 0402 50V 596 268364 220 C711 22pF COG 0402 50V 596 268364 220 C712 22pF COG 0402 50V 596 268364 220 22pF COG 0402 50V 596 268364 220 C715 22pF COG
3. DIAGRAM CONNECTIONS ARE SHOWN FROM THE BACK SOLDERZWIRE SIDE OF BOTH PLUGS SEE NOTE 6 FOR EACH CABLE SPECIFICATION RCA PLUG 1 Figure 4 Cable 299656 27 Issuing Commands to the Bass Module Items Needed 1 TeraTerm terminal emulator download from PS18 28 35 38 48 III product page http serviceops bose com 2 PC3macro zip files download from PS18 28 35 38 48 IIl product page http serviceops bose com 3 RS232 TTL Converter B amp B electronics Model 232LPTTL or similar http bb elec com 4 TAP cable part number 299656 order from Bose 1 Download Macros 1 1 Download the file ps3macro zip from the PS18 28 35 38 48 III product page located on the service web site http serviceops bose com Unzip the files and place them in the folder where your terminal emulator is located 1 2 Open TeraTerm and set it as described on the previous page Setting up a Computer to Issue TAP Com mands 1 3 Connect TAP cable part number 299656 to a computer and the bass module A RS232 TTL converter is needed to connect to the computer B amp B electronics Model 232LPTTL or similar http bb elec com To simu late a turn on signal connect a 9 Volt battery to the TAP cable s 9 Volt battery connector 1 4 In the TeraTerm tools menu select Control Scroll down to Macro 1 5 In the Open Macro window select the omnibus ttl macro and click Open The bass module is now ready to
4. IEC 60065 para graph 9 1 1 With the unit AC switch first in the ON position and then in OFF position measure from a known earth ground metal waterpipe conduit etc to all exposed metal parts of the unit antennas handle bracket metal cabinet screwheads metallic overlays control shafts etc especially any exposed metal parts that offer an electrical return path to the chassis Any current measured must not exceed 0 5 milliamp Reverse the unit power cord plug in the outlet and repeat test ANY MEASURE MENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE 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 the resis tance with an ohmmeter between the jumpered AC plug and each exposed metallic cabinet part on the unit When testing 3 wire products the resistance measured to the product enclosure should be between 2 and infinite MOhms Also the resistance measured to exposed input output connectors should be between 4 and infinite MOhms When testing 2 wire products the resistance measured to exposed input output connectors should be between 4 and infinite MOhms If it is not within the limits specified there is the possibility of a shock hazard and the unit must be repaired and rechecked before it is returned to the
5. Supply List Resistors Reference Description Part Number Note Designator R101 10 1206 1 4W 590 124895 1005 R102 33 1206 1 4W 5 124895 3305 R103 10 OHM 1206 1 4W 590 124895 1005 R104 100 OHM 1206 1 4W 5 124895 1015 R106 1 80K 1206 1 AW 5 124895 1825 R112 60 4K 0603 1W 1 191465 6042 R122 75 0K 1206 AW 1 HOT 261K 1206 1 4W 6 124894 2613 R150 681 OHM 1206 1 4W 1 124894 6810 R153 261K 1206 1 4W 196 124894 2613 R1 R155 75 0K 1206 1 4W 1 1206 1 4W 1 124894 7502 age 56 75 0K 1206 1 4W LX GK 1206 88 33 124894 7502 R158 220 OHM 1206 1 4W 590 124895 2215 R159 220 OHM 1206 1 4W 590 124895 2215 R160 220 OHM 1206 1 4W 590 124895 2215 R161 61 220 OHM 1206 1 4W 590 124895 2215 ANIMS 000 LM 62 75 0K 1206 1 4W 196 124894 7502 191465 651 197465372 R218 5 11K 0603 1W 190 191465 5111 R219 2 1K 0603 1W 196 191465 2101 R220 432 OHM 0603 100MW 196 191465 4320 R223 316 OHM 1206 1 4W 190 124894 3160 R224 2 0K 0603 1W 5 0603 1W 5 LM 49 9K 0603 1W oe ee 191465 4992 R231 100K 0603 1W 1 0603 1W 1 191465 1003 LN 49 9K 0603 1W 191465 4992 R233 49 9 0603 1W 190 191465 4992 R234 5 9K 0603 1W 190 191465 5901 R238 80 6K 0603 1W 190 191465 8062 RO 261K 1206 1 4W 190 124894 2613 LM 18 7K 0603 1W 190 191465 1872 91K 0603 1W 5 199403 913 R406 390
6. 0402 50V 596 268364 220 C717 22pF COG 0402 50V 596 268364 220 C718 22pF COG 0402 50V 5 268364 220 22pF 0402 50V 590 268364 220 C720 22pF 0402 50V 590 268364 220 C723 22pF 0402 50V 590 268364 220 C725 22pF COG 0402 50V 590 268364 220 12 C165 180pF 0603 COG 50V 188454 181 C166 180pF 0603 COG 50V 188454 181 C201 180pF 0603 COG 50V 188454 181 DSP List Capacitors Designator 22pF COG 0402 50V 596 268364 220 C728 22pF COG 0402 50V 5 268364 220 22pF COG 0402 50 5 268364 220 C730 22pF COG 0402 50 5 268364 220 22pF 0402 50V 5 268364 220 C732 22pF COG 0402 50V 596 268364 220 22pF COG 0402 50V 596 268364 220 C802 10uF EL 85 16V 20 177902 100C 1uF EL 85 50V 20 177902 010H C805 1uF EL 85 50V 2096 177902 010H 22uF EL 85 2096 16V 177902 220C C810 01uF 0603 X7R 50V 191470 103 C812 047UF 0603 X7R 5 25V 196999473 C814 0068uF 0603 X7R 50V 191470 682 C815 0068uF 0603 X7R 50V 191470 682 C816 O47uF 0603 X7R 5 25V 196999 473 C817 0 1uF 0805 X7R 50V 10 286499 104 C819 0 1uF 0805 X7R 50V 10 286499 104 C820 0 1uF 0805 X7R 50V 10 286499 104 C821 0 1uF 0805 X7R 50V 10 286499 104 0 1uF 0805 X7R 50V 10 286499 104 C827 0 1uF 0805 X7R 50V 10 286499 104 0 1uF 0805 X7R 50V 10 286499 104 C832 0 1uF 0805 X7R 50V 10
7. 0603 X7R 25V 196999 223 C219 047uF 0805 X7R 50V 10 133623 473 C220 047uF 0805 X7R 50V 10 133623 473 Power Supply Part List Capacitors Reference Description Part Number Designator C233 001uF BOX 85 100V 596 137127 102 C234 001uF BOX 85 100V 5 137127 102 C235 001uF BOX 85 100V 5 137127 102 C236 001uF BOX 85 100V 5 137127 102 C237 3300pF 0805 X7R 50V 1090 286499 332 C239 3300pF 0805 X7R 50V 1090 286499 332 C401 100 0603 50V 590 188454 101 402 220uF EL 105 16V 20 144000 221N C408 047uF FILM 630VDC 85 10 260357 473T21 C412 22uF FILM 630VDC 85 10 260357 224B34 C415 33pF CER RADIAL 269857 330 3 C416 33pF CER RADIAL 269857 330 3 1 C417 100pF 0603 50V 590 188454 101 418 100 0603 50 590 188454 101 421 047uF 0603 X7R 50V 191470 473 C424 100 0603 COG 50V 5 188454 101 Diodes Designator BR1 RECTIFIER BRIDGE 600V 4A 256789 600 D102 SWITCHING 75V 200mA 148582 D106 SWITCHING 75V 200mA 148582 SCHOTTKY 60V 0 5A SOD 123 319453 060 D112 SCHOTTKY 60V 0 5A SOD 123 319453 060 D154 261K 1206 1 4W 196 124894 2613 D202 SWITCHING 75V 200mA 148582 D203 PWR SCHOTTKY 8A 80V 258437 080 D205 SWITCHING 75V 200mA 148582 D207 SOT 23 BAV 70 147249 D209 SMT S1AB 178380 1 1783807 0211 SOT 23 BAV 99 147239 D405 SOT 23 BAV 99 147239 D406 PWR SCHOTTKY 8A 80V 2584
8. 191465 1821 R72 7 5K 0603 1W 196 191465 7501 R73 7 5K 0603 1W 196 191465 7501 7 5K 0603 1W 196 191465 7501 274 OHM 0603 1W 196 191465 2740 R76 274 OHM 0603 1W 196 191465 2740 R79 330 OHMS 0603 1W 596 199403 331 R82 100 OHM 0603 1W 596 199403 101 R84 100 OHM 0603 1W 596 199403 101 R90 20 OHM 0805 1 10 56 7 11336262000 R101 R101 47 5 0603 AW 190 191465 4752 102 47 5K 0603 1W 190 191465 4752 R112 10K 0603 1W 190 191465 1002 R114 4 70 OHM 0603 100MW 190 SMD 191465 4R70 R710 4 7 5K 0603 1W 190 191465 4751 R713 4 75K 0603 1W 1 191465 4751 R717 47 5K 0603 AW 190 191465 4752 R718 100 0603 1W 190 191465 1003 332K 0603 1W 196 191465 3323 R720 2K 0603 1W 196 191465 2001 365 OHM 0603 1W 196 191465 3650 R722 11K 0603 1W 196 191465 1102 R723 7 87K 0603 1W 196 191465 7871 R724 2 0 OHM 0603 SMD 100mW 199403 2R0 R738 10K 0603 1W 190 191465 1002 R739 10K 0603 1W 190 191465 1002 DSP PCB List Resistors Designator R746 1 02K 0603 1W 196 R747 1 02K 0603 1W 196 R748 1 62K 0603 1W 1 191465 1621 R800 1 02K 0603 1W 1 191465 1021 R801 9 09K 0603 1W 196 191465 9091 R802 9 09K 0603 1W 196 191465 9091 R803 9 09K 0603 1W 196 191465 9091 R805 R806 1 02K 0603 1W 196 191465 1021 R807 02K 0603 1VV 1 R809 560 0603 1
9. 06 New line cords 02 28 2012 07 New Cables 07 17 2012 08 53312 Updated Twiddler part number pg23 09 28 2012 09 Updated assembly instruction regarding wire dressing pg24 02 24 2014 10 Added two and three pack for output ICs 34 __ E Better sound through researche Bose Lifestyle 235 System Bass Module 02014 Bose Corporation Service Manual Reference Number 326084 SM REV 10 Electronic copy only Specifications and Features Subject to Change Without Notice MTUI BE Better sound through researcho Bose Corporation The Mountain Framingham Massachusetts USA 01701 P N 326084 SM REV 10 02 14 H http serviceops bose com
10. 5 1K 0603 1W 596 199403 512 R7128 10K 0603 1W 196 191465 1002 R7130 100K 0603 1W 196 191465 1003 R7134 1 02K 0603 1W 196 191465 1021 4 75K 0603 1W 196 R7136 4 75K 0603 1W 196 1914654751 R7139 4 75K 0603 1W 1 1914654751 R7140 4 75K 0603 1W 1 4 75K 0603 1W 1 1914654751 R7143 4 75K 0603 1W 1 1914654751 R7144 4 75K 0603 1W 1 1914654751 R7145 4 75K 0603 1W 1 4 75K 0603 1W 1 1914654751 4 75K 0603 1W 1 1914654751 R7149 750 OHM 0603 1W 1 191465 7500 750 OHM 0603 1W 1 191465 7500 R7151 750 OHM 0603 1W 1 191465 7500 R7154 100K 0603 1W 1 191465 1003 R7155 4 75K 0603 1W 1 2 32K 0603 1W 1 191465 2321 2 32K 0603 1W 1 191465 2321 R9215 750 OHM 0603 1W 1 191465 7500 R9226 1 OHM 0805 1 10W 5 133626 1R05 R9227 1 OHM 0805 1 10W 590 133626 1 05 R9228 1 OHM 0805 1 10W 596 1 OHM 0805 1 10W 596 133626 1R05 R9230 5 1K 0603 1W 590 199403 512 5 1K 0603 1W 596 199403 512 R9233 1 62K 0603 1W 190 191465 1621 R9235 10K 0603 1W 190 191465 1002 R9237 49 9K 0603 1W 196 191465 4992 R9238 2 32K 0603 1W 196 191465 2321 9 09K 0603 1W 196 191465 9091 R9242 10 OHM 0603 1W 596 199403 100 R9245 1 62K 0603 1W 196 191465 1621 R9251 1 00K 0805 1 10W 596 JUMPER CHIP 0603 196042 R9261 JUMPER CHIP 0603 196042 DSP List
11. CABLE HDMI 326853 0110 CABLE RCA 6 FT 185931 101 LINE CORD 120V US 258491 101 LINE CORD 220V EUR DET BLK 1500 280135 1310 LINE CORD 230V UKS DET BLK 1500 280138 1310 LINE CORD 100V JPN DET BLK 1500 280136 1310 LINE CORD 230V KOREA BLK 1500 311668 1310 2 3 LINE CORD 240 AUS DET BLK 1500 284243 1310 PWR PACK FLR UNVSL 12V 20W BLK 316263 103 TA 3 EMITTER IR DONGLE 324714 1010 1 ANTENNA FM DIPOLE F CONN 347426 0010 1 ANTENNA DIPOLE PAL CONN 347423 0010 ANTENNA ASSY AM CD20 199824 002 1 FOOT CLEAR 312x 085 4 178321 0 2 BUMPER RECESSED FOOT 88 142839 4 KIT ADAPTIO HEADSET 307702 001 1 GUIDE SETUP AIM 328338 0010 GUIDE SETUP EUROPE 328339 0010 GUIDE SETUP APAC 328340 0010 GUIDE SETUP BKK 328779 0010 GUIDE OPERATING AIM 343989 0010 GUIDE OPERATING EUROPE 343990 0010 GUIDE OPERATING APAC 343991 0010 GUIDE OPERATING BKK 343992 0010 REMOTE BATTERY DOOR 322542 001S 1 System Packaging Refer to the AV35 STCH manual for Series Ill components and packaging Refer to page 4 for system component part numbers Part Number Q 1 CONSOLE KIT LS 235 E CARTON CORR 0 20 25 16 5 88 200 320600 0010 2 SAT PACK GS ES ARRAY CARTON DC 200B 9 88 X 16 00 X 4 25 328131 0010 ARRAY CARTON 125E 6X2 63X4 38 328129 0010 ESSENTIALS KIT LS 235 CARTON D C 12 88X16 00X4 25 320599 0010 PACKING T RAY PULP 3215
12. customer ELECTROSTATIC DISCHARGE SENSITIVE ESDS DEVICE HANDLING This unit contains ESDS devices We recommend the following precautions when repairing replacing or transporting ESDS devices Perform work at an electrically grounded work station Wear wrist straps that connect to the station or heel straps that connect to conductive floor mats Avoid touching the leads or contacts of ESDS devices or PC boards even if properly grounded Handle boards by the edges only Transport or store ESDS devices in ESD protective bags bins or totes Do not insert unprotected devices into materials such as plastic polystyrene foam clear plastic bags bubble wrap or plastic trays Product Description The Lifestyle 235 Home Entertainment System consists of a control console AV35 an Acoustimass module two Gemstone ES speaker arrays and a remote control RC23 System Features Unify intelligent integration system to help you easily add devices to your system ADAPTiQ audio calibration system that optimizes system performance for your room RF remote control HDMI connectivity Video up conversion to 1080p Photo viewing using a USB flash drive Interface and dock compatible with iPod iPhone devices AM FM radio Can deliver sound in up to 14 additional rooms or locations Note Refer to the AV35 console service manual 317084 SM for to service the console Specifications Remote control Frequency 2 4 G
13. mVms signal to the bass module 6 2 Set the bass module to bypass mode by issuing the TAP command BY ALL This bypasses the system signal processing 6 3 Measure each of the cube outputs and ensure they are gt 1Vrms PCB Level Performance Verification Tests Test Setup Set up the bass module to receive TAP commands Refer to the procedures listed on the pages Setting up a Computer to Issue TAP Commands and Issuing TAP Commands to the Bass Module Remove the DSP and SPS PCB from the cabinet Reconnect the DSP PCB and SPS PCB while outside the cabinet Leave the DSP assembled to the heat sink Refer to the disassembly procedures 1 DSP Status Check Issue command ST S Typical response shown below gt STS SAMPLE RATE 192015 67 SPKR TYPE 02 LCRB_MUTE 0 LSRS_MUTE 0 SPDIFE 00000000 SERIAL 1234567890ABCDEFG gt Issue the TAP command ST T Typical response shown below gt STT Rev 010100 BassThrm 0 6992 PS Thrm 0 6914 BasAThrm 0 4961 Rate 192012 56 S PDIF Sample Rate SPDIFE 00000000 S PDIF Error Rate gt Rev 010100 Software version BassThrm Limit 0 65 0 8 A D converters PS Thrm Limit 0 65 0 8 A D converters BasAThrm Limit 0 60 0 13 A D converters Rate S PDIF Sample Rate SPDIFE should be 0 error count reset during STS command S PDIF Error Rate Verify the results are within the following limits BassThrm Lim
14. 00 0010 E 3 5 PACKING FOAM EPS BBOX 293513 001 6 PACKING FOAM EPS BB BTM 295444 001 7 BAG POLY HDPE 196638 COMMITMENT LETTER 251001 60 CARTON HSC FOL D C CORR 325008 0010 LINE CORD KIT Figure 1 Packaging View Assembly List Item Description Part Number Qty Note 1 PCB ASSY L8235 POWER SUPPLY DUAL V 301749 003 1 3 PCB ASSY LS235 POWER SUPPLY 230V EUP 328923 0018 2 DSP SLAB LS235 SERVICE 329003 031S 1 3 LABEL I O D SUB CONN 327478 0010 1 4 CABLE FFC 10 POS 289482 10 1 3 5 GASKET CONNECTORS D SUB 327479 0010 1 6 SHIELD EMI POWER PCB 286776 001 1 7 HEATSINK POWER AMP 286779 001 1 8 CLIP SPRING 142864 1 9 HEATSINK TWID AMP 289739 002 1 10 SIL TWID AMPS 289734 001 1 11 PAD SIL BASS 289735 001 1 12 COVER AMP D SUB BLACK 312274 021 1 COVER AMP D SUB WHITE 312274 022 13 BRACKET AMP COVER SECURE 286955 001 2 14 SPACER POWER AMP WEB 313593 001 1 15 SCREW TAPP 8 11x 75 PAN XRC SQ 289388 012 18 16 SCREW TT 8 32 0 5 PAN XREC SQ BLACK 289393 008 10 SCREW 8 32X 5 RLX PN QDRX ZNC WHITE 292354 08 17 SCREW TAPP 8 11x 437 PAN XRC S 289388 007 6 18 SCREW TORX 5 15X 625 ROUND HD 320005 0010 3 POLYFAST 19 SCREW TAPP M3 5x16 PAN TRX 288593 010 3 20 SCREW 8 32X 87 RLX PN QDRX ZNC 292354 14 7 21 GASKETING EMI 256826
15. 001 DSP List Transistors Reference Description Designator Q7007 BPLR P 40V 200mA SOT23 148596 Q801 P 50V 150MA SOT 258007 Q900 BPLR N 55V 150mA SOT23 134741 Part Number Note Q902 P 50V 150MA SOT 258007 Q903 BPLR N 55V 150mA SOT23 194741 Q904 50V 150MA SOT 258007 Q9031 PNP SOT 223 60V 1A 269870 002 Q9034 BPLR N 40V 200mA SOT23 146819 Q9035 BPLR N 40V 200mA SOT23 146819 Q9036 MFET 2 5V SOT 23 252043 Integrated Circuits Reference Description Part Number Note Designator U1 MEMORY FLASH PROGRAMED 317330 001S UPDATE BASS MODULE AFTER REPLACING U2 VOLTAGE COMPARATOR LM339 187618 001 U3 uC SHARC ADSP 21366 BGA 287375 001 U9 GUAD TLO74D SOIC 186112 U10 GUAD TLO74D SOIC 186112 U21 DAC 6 CH 24 bit 192kHz 288578 001 U22 VOLT REG NEG 7908 SOT89 260688 08 U23 VOLT REG SMD POS SOT89 10V 258167 10 U24 DIFFERENTIAL LINE RCVR 400 288291 001 U25 SWITCHING 1MHZ BUCK CONV 288281 001 U26 VOLT REG SMD POS SOT89 3 3V 258167 33 U28 INVERTER SMD 266582 001 U800 PWR AMP FORMED SINGLE PACK 309605 001 U801 PWR AMP FORMED TWO PACK 309605 002 U900 PWR AMP FORMED THREE PACK 309605 003 U901 MOSFET DUALN 50V 3A 289259 001 U902 BUCKCTLR SO 8 PWM 500 40V 275415 004 U903 VOLT REG SMD POS SOT89 5V 258167 05 U904 RESET 2 93VT SOT23 DBV 289604 033
16. 003 1 22 GASKET EMI ELASTOMER Ni C 294531 001 1 23 SCREW TT 8 32X2 00 PAN XREC SQ 289393 032 2 24 BAFFLE STEEL PLATE 293243 001 1 25 LOGO BOSE BLACK 286744 101 2 LOGO BOSE WHITE 286744 102 CABLE DC POWER 289873 101 1 3 POWER 289872 101 Note The woofers are not accessible Item numbers reference call outs in Figure 2 on next page Item number call outs are referenced in the main assembly part list on the previous page SJ 4 WA ri Ys SN 5 J T S 07 7 YE S S V The woofers are not accessible 6 WE Dg D 7 77 W DU PI gt S SSSSSSSSSS 7 AVIS LI L E SS WES 4 Figure 2 Main Assembly List DSP List Resistors Designator 7 87 0603 1W 190 191465 7871 15K 0603 1W 1 191465 1502 R7 4 75K 0603 1W 190 191465 4751 R9 4 7 5K 0603 1W 1 191465 4751 7 15K 0608 1W 196 191465 7151 R11 10K 0603 1W 196 191465 1002 47 5K 0603 1W 1 R38 1 82K 0603 1 10W 196 191465 1821 R42 7 5K 0603 1W 1 191465 7501 7 5K 0603 1W 1 191465 7501 R47 274 0603 1W 1 191465 2740 R69 7 1 82 0603 1 10W 1 191465 1821 1 82K 0603 1 10W 1
17. 1 OUT 7 5 3 1 8 6 4 2 WIRE TABLE 9 POSITION SIGNAL CONNECTION WIRE DSUB PLUG COLOR P1 1 LC P3 3 BLUE P1 2 LC P3 1 GREEN 1 3 GND DSUB SHELL BLACK P1 4 RC P1 5 RC P1 6 LS P1 7 LS 1 8 RS P1 9 RS za N X o D O Figure 5 Array Output Test Cable 29 System Level Test setup procedure Set up the bass module to receive TAP commands Reference the manual pages Setting up a Computer to Issue TAP Commands and Issuing TAP Com mands to the Bass Module A digital audio input is required Connect the analog output of an oscillator to the left analog input of an Analog to Digital A D converter Connect the test cable s RCA connector to the A D converter S PDIF output The command SO ALL issued in the omnibus ttl macro set the system to send left channel information to all outputs Using a system array cable part number 331294 0010 or 0020 create the cube output test cable Refer to page 27 for instructions 1 Check for S PDIF EQ Setting Software Version 1 1 Issue the TAP command ST S The bass module should respond similar to the following gt STS SAMPLE RATE 44102 34 SPKR TYPE 02 LCRB MUTE 0 LSRS MUTE 0 SPDIFE 00000000 SERIAL 1234567890ABCDEFG gt Sample Rate 44100 Hz 290 1 2 Issue the command TN 4 The bass module should respond similar to the following 012345678 010201 The first number is the checksum and the seco
18. 10 3 Measure the bass channel output at J108 It should measure 0 296 THD N 11 Bass Channel Large Signal Distortion 11 1 Connect a 8 Ohm 20 watt resistor to the amplifier output being measured 11 2 Apply a 100 Hz signal at a level to obtain 10 watt output at the bass channel output J108 8 9 volts measured across the 8 ohm load 11 3 Measure the bass channel output at J108 It should measure 0 296 THD N Caution Remove power If handling the SPS PCB connect a 1K 5W resistor across C110 and then across C111 for 2 seconds to discharge the two caps C110 and C111 must be discharged before the board can be safely handled Failure to discharge the caps could result in electrical shock 33 12 Speaker Variant A replacement DSP PCB will be set to the proper speaker variant but there will be no serial number stored To store a serial number perform the following 12 1 Issue command SE C SERIALZ ON 12 2 Issue TAP command ST S Ensure the speaker type is 10 A similar reply would be SAMPLE RATE 44102 34 SPKR TYPE 10 LCRB_MUTE 0 LSRS_MUTE 0 SPDIFE 00000000 SERIAL 1234567890ABCDEFG Revision History DATE REV ECN Description 00 Initial Release 01 49592 New Operator Guides 02 49314 New HDMI Cable 03 16 11 03 NA Added Cube Grilles 12 23 2011 04 51363 New power pack and doc 01 19 12 05 NA Added speaker type serial number TAP command 02 23 2012
19. 16 DSP List Inductors Ferrite Beads Designator 200MA 0 72A 33uH 2096 SMT 290997 330T L800 100nH CHIP 596 0603 270394 101J 100nH CHIP 5 0803 L803 100nH CHIP 596 0603 270394 101J 10011 CHIP 5 0803 L901 100nH CHIP 596 0603 270394 101J 0 22A 560uH 20 SMT L904 330 OHM FERRITE BD IND0603 268373 331 200MA FB1 BEAD FERRITE 0402 120 OHM 0 3A 324216 121B BEAD 0402 120 0 3A 324216 121B FB6 BEAD FERRITE 0402 120 OHM 0 3A 324216 121B FB8 BEAD FERRITE 0402 120 OHM 0 3A 324216 121B FB10 BEAD FERRITE 0402 120 OHM 0 3A 324216 121B 324216 121B 324216 121B Miscellaneous Reference Description Part Number Note Designator J909 CONN HEADER INLINE 3P BLACK 133220 103 J7001 CONN DIN 9 POS SINGLE SQ KEY 301997 002 J7002 CONN HOUSING AC 2 POS FEMALE 260116 001 3 J7003 CONN HEADER LOCKING TOP 193369 002 3 7004 CONN D SUB R A 9 PIN SOCKET 85805 09 FUSE 4 0 AMPS AXIAL 325540 4000 3 276389 001 3 S J7006 CONN 10POS VERT SMT ZIFF 87518 T10 THERMISTOR 10K 596 0805 197229 VR1 VARISTOR MET OX 275V 75JOULE 170189 2 CRYSTAL SMD 105 AT41CD2 269923 16 9 16 16 9344 2 273478 002 SHIELD COVER BOTTOM 273478 002 SHIELD COVER TOP 281527 002 SCREW TAPP 4 104 38 PAN XREC 288372006
20. 286499 104 C833 1000pF 0603 X7R 50V 191470 102 C835 1000pF 0603 X7R 50V 191470 102 C836 0 01uF 0805 X7R 50V 1090 286499 103 C839 0 01uF 0805 X7R 50V 1090 286499 103 W CD gt gt gt gt gt gt gt w gt gt C841 4 0603 50V 188454 4 7 842 4 0603 50V 188454 4 7 188454 4 7 C850 4 7 pF 0603 COG 50V 188454 4 7 C853 4 7pF 0603 COG 50V 188454 4 7 DSP List Capacitors Reference Description Part Number Note Designator C855 C858 4 7pF 0603 COG 50V 1884544R7 C860 4 7pF 0603 50V 188454 4R7 C862 4 7pF 0603 50V 188454 4R7 C863 C865 4 7pF 0603 50V 188454 4 7 867 4 7pF 0603 50V 188454 4 7 869 4 7pF 0603 50V 188454 4 7 C901 1uF EL 85 50V 2090 177902 010H C902 1uF EL 85 50V 20 177902 010H C904 01uF 0603 X7R 50V 191470 103 C905 0603 X7R 50V 191470 103 C906 0068uF 0603 X7R 50V 191470 682 C907 0068uF 0603 X7R 50V 191470 682 C908 0 1uF 0805 X7R 50V 10 286499 104 3 C911 0 1uF 0805 X7R 50V 10 286499 104 3 C912 0 1uF 0805 X7R 50V 10 286499 104 3 C913 0 1uF 0805 X7R 50V 10 286499 104 3 C914 1uF 0805 X7R 50V 10 286499 104 3 C915 0 1uF 0805 X7R 50V 10 286499 104 C916 1000pF 0603 X7R 50V 191470 102 C917 1000pF 0603 X7R 50V 191
21. 3 Measure the amplifier outputs with a 30 kHz LPF 8 0 Vrms 10 RS Output RCA 8 0 Vrms 10 Measurement Point Measurement LC Output RCA lt 0 2 THD N lt 0 2 THD N 5 Satellite Low Freguency Gain LS Output RCA 0 296 RS Output RCA lt 0 2 THD N 5 1 Apply a 1Vrms 100 Hz sine wave audio signal via the S PDIF input 4 2 Measure the amplifier outputs according to the following table Measurement Point Measurement LC Output RCA 8 0 Vrms 10 RC Output RCA 8 0 Vrms 10 LS Output RCA 8 0 Vrms 10 RS Output RCA 8 0 Vrms 10 32 Level Performance Verification Tests 9 Satellite Channel Large Signal Distortion 9 1 Connect a 8 Ohm 20 watt resistor to the ampli fier output being measured Load only one channel at a time 9 2 Apply a 1 0 kHz signal at a level to obtain 10 watt output at each channel 8 9 volts measured across the 8 ohm load 9 3 Measure the amplifier outputs with a 30 kHz LPF Measurement 0 196 THD N 0 196 THD N lt 0 196 THD N lt 0 196 THD N Measurement Point L Output RCA R Output RCA LS Output RCA RS Output RCA 10 Bass Channel Small Signal Distortion 10 1 Connect a 8 Ohm 1 10 watt resistor to the amplifier output being measured 10 2 Apply a 300 Hz signal at a level to obtain 1 10 watt output at the bass channel output J108 0 89 volts measured across the 8 ohm load
22. 37 080 D407 PWR SCHOTTKY 8A 80V 258437 080 ZR101 ZEN 13V 225MW 596 SOT 23 135247 5243 Supply List Transistors Reference Description Part Number Note Designator Q101 MOSFET 550V 12A 294192 001 Q102 MOSFET 550V 12A 294192 001 Q201 BPLR N 40V 200mA SOT23 146819 Q401 TRIAC AUTO VOLT SW AVS12CB 254188 001 298085001 0403 256096 001 0404 BPLR N 40V 200 SOT23 146819 Transistors Reference Description Part Number Note Designator Q101 MOSFET 550V 12A 294192 001 Q102 MOSFET 550V 12A 294192 001 Q201 BPLR N 40V 200mA SOT23 146819 Q401 TRIAC AUTO VOLT SW AVS 12CB 254188 001 Qa 250095001 0403 256096 001 0404 BPLR 40V 200 SOT23 146819 Integrated Circuits Reference Description Part Number Designator U101 HV RESONANT CONTROL 16598 254119 001 U102 OPTOISOLATOR CNY17F 1 254120 001 U103 OPTOISOLATOR CNY17F 1 254120 001 U203 OP QUAD TLO74D SOIC 186112 U401 AUTO V SW 110 220V 50 60HZ 254187 001 Inductors Reference Description Part Number Note Designator L101 FIXED 2 2UH 309310 2R2M 3 1102 FIXED 2 2UH 309310 2R2M 3 1103 1 5MH 2 0 TOROIDAL 269334 001 L201 12 5uH FMD ROHS 290843 001 L202 12 5uH FMD ROHS 290843 001 L203 FIXED 2 2UH 309310 2R2M L204 FIXED 2 2UH 309310 2R2M 3 Power Supply PCB L
23. 470 102 C918 0 01uF 0805 X7R 50V 10 286499 103 C919 0 01uF 0805 X7R 50V 10 286499 103 C920 0 1uF x7r 0603 10 50V C921 0 1 x7r 0603 10 50V 191470 104 C922 C923 C950 C962 C953 C954 C955 C956 C957 C958 0959 DSP List Designator 10uF EL 85 20 35V SMD 105 50V 2096 22uF 306245 220FD C9209 33000pF X7R SMD 0603 25V 257154 333K25 C9210 470pF 0603 COG 50V 596 188454 471 0068uF 0603 X7R 50V 191470 682 C9213 7343 tant 1096 lo R 47u 16V 275411 476 9224 180 0603 50V 188454 181 C9226 180pF 0603 COG 50V 188454 181 C9236 0 1uF 0805 X7R 50V 1096 286499 104 C9238 180pF 0603 COG 50V 188454 181 C9239 180pF 0603 COG 50V 188454 181 C9240 1 0uF 1206 X7R 16V 181998 105 C9241 0 01uF 0805 X7R 50V 1090 286499 103 3 9243 180 0603 50V 188454 181 9246 047 0603 X7R 50V 191470 473 C9248 33000pF X7R SMD 0603 25V 257154 333K25 C9249 33000pF X7R SMD 0603 25 257154 333K25 C9252 1000pF 0603 X7R 50V 191470 102 C9253 1000pF 0603 X7R 50V 191470 102 C9260 10uF EL 85 16V 20 177902 100C Diodes Designator D1 DIODE SCHOTTKY 70V 2nS BAS70 329354 0010 SOT 23 LED SMD GREEN 256781 002 LED SMD YELLOW 256781 003 DIODE SOT 23 BAV 99 147239 RECTIFYING MINI DIODE 188455 001 RECTIFYING MINI DIODE 188455
24. Contents SafetyiIniormiatiom is 2 Electrostatic Discharge Sensitive ESDS Device Handling 2 Product M 3 sp cificatioNS 3 List I M O 3 Figure T Packaging VIEW uu can vette DE 5 Main Assembly Part LISE ss d 6 Figure 2 Main Assembly Part M ni 7 DSP PGB Part ES 8 17 Power Supply PCB Part 18 22 Array Assembly Part LIST SKK 23 Figure 3 Array Exploded VIEW ko es pk E A s A 23 Disassembly Proc d fe si u e a ok kk ok eve d kk EL RRNA 24 26 Set up a Computer Issue Tap Commands J U u u 27 Figure 4 TAP Cable 299656 5 27 Issuing TAP Commands to the Bass Module U u u u 28 Array Output Test Cable x u A k n A dad yo nee be a sib teka 29 Figure Array Output Test n ag ja eya 29 System Level II cc 30 PCB Level Per
25. Hz Range 33 ft 10 m Control console power supply rating AC input 100 240V 50 60 Hz 0 5A DC output 12V 20W Max Acoustimass module rating USA Canada 100 120V 50 60 Hz 350W International 220 240V 50 60 Hz 350W Dual voltage 100 120 220 240V 50 60 Hz 350W Part List Notes 1 This part is not normally available from customer service Approval from the Field Service Manager is required before ordering 2 The individual parts located on the PCB are listed in the part list 3 A This part is critical for safety purposes Failure to use a substitute replacement with the same safety characteristics as the recommended replacement part might create shock fire and or other hazards System Components Refer to AV35 STCH manual for Series Ill components and packaging REMOTE RF RC35T L USA EU 314596 009 CONSOLE ASSY AV 25 35 US SERVICE 330769 151S CONSOLE ASSY AV 25 35 EURO SERVICE 330769 254S CONSOLE ASSY AV 25 35 JAPAN SERVICE 330769 351S CONSOLE ASSY AV 25 35 APAC SERVICE 330769 551S BASSBOX ASSY LS235 DUAL BLK SERVICE 326084 610S BASSBOX ASSY LS235 230V BLK SERVICE 326084 213S BASSBOX ASSY LS235 230V WHT SERVICE 326084 223S ARRAY ASSY RIGHT WHITE 330391 0020 ARRAY ASSY LEFT BLACK 330391 0110 ARRAY ASSY LEFT WHITE 330391 0120 DRIVE FLASH USB W O SILICONE CASE 353201 0010 CABLE DIN 9 DIN 9 302580 1001 CABLE ARRAY SPIN BLACK 331294 1010 CABLE ARRAY 9PIN WHITE 331294 0020
26. OHM 0603 1W 590 199403 391 Power Supply PCB List Resistors Reference Description Part Number Note Designator R407 261K 1206 1 4W 190 124894 2613 R410 261K 1206 1 4W 190 124894 2613 R411 261k 1206 1 4W 196 124894 2613 R412 10 0805 125W 190 133625 10R0 R413 10 0805 125W 190 133625 10RO R420 100K 0603 1W 190 191465 1003 422 510 OHM 1206 1 4W 590 124895 51 15 R423 510 OHM 1206 1 4W 596 124895 51 15 R424 100 0603 1W 596 199403 101 5425 129103710 426 100 0603 1W 5 199403 101 R427 510 OHM 1206 1 4W 590 124895 5115 R428 510 OHM 1206 1 4W 590 124895 5115 Capacitors Reference Description Part Number Note Designator 101 0 1uF FILM X2 275VAC 15MM 268166 104B 3 102 0 1uF FILM X2 275VAC 15MM 268166 104B 3 103 1500pF CER Y1 500VAC 269857 152 C104 1500pF CER Y1 500VAC 269857 152 C110 470 uF EL 105 250 2090 289961 471A C111 470 uF EL 105 250V 2090 289961 471A C113 470pF MICA 5 500V 254164 471B C115 18000pF FILM 2KVDC 590 258419 183C C119 47uF BOX 85 50V 5 137127 474 C122 100pF 0603 COG 50V 596 188454 221 C126 0 1uF 0805 X7R 50V 10 286499 104 C201 5 6uF FILM 10 100VDC 260333 565C C202 5 6uF FILM 1096 100VDC 260333 565C C211 1 0uF FILM 1096 100VDC 260333 105A C212 1 0uF FILM 1096 100VDC 260333 105A C215 022uF
27. W 196 191465 5600 R810 560 OHM 0603 1W 1 191465 5600 R811 300 OHMS 0603 1W 5 199403 301 R812 9 09K 0603 1W 1 191465 9091 R818 191465 9091 R819 R820 R823 2 0 OHM 0603 100mW 199403 2RO R825 4 70 0603 100MW 1 SMD R828 4 70 OHM 0603 100MW 196 SMD 191465 4R70 R830 100K 0603 1W 196 191465 1003 R832 R834 100K 0603 1W 196 191465 1003 R836 47 5K 0603 1W 196 191465 4752 R837 47 5K 0603 1W 196 191465 4752 R838 5 1K 0603 1W 596 199403 512 R900 191465 9091 R901 R902 191465 1021 R903 1 02K 0603 1W 196 191465 1021 560 OHM 0603 1W 196 191465 5600 R905 560 OHM 0603 1W 196 191465 5600 R907 9 09K 0603 1W 196 191465 9091 R909 9 09K 0603 1W 196 191465 9091 R910 2 0 OHM 0603 SMD 100mW 199403 2RO R911 2 0 OHM 0603 SMD 100mW 199403 2RO R912 56K 0603 1W 596 199403 563 R913 191465 4R70 R914 R915 191465 1502 R917 56K 0603 1W 596 199403 563 R919 15K 0603 1W 196 191465 1502 R920 75K 0603 1W 5 199403 753 R921 5 1K 0603 1W 596 199403 512 R922 56K 0603 1W 5 199403 563 R923 15K 0603 1W 196 191465 1502 R924 56K 0603 1W 596 199403 563 R925 15K 0603 1W 196 191465 1502 R746 R805 R818 R819 R820 R832 R900 R901 R902 R913 R914 R915 R924 DSP Part List Resistors Reference Description Part Number Note Designator
28. formance Verification Tests 31 33 FREVISION HISIOPVT sist ss s 34 CAUTION THE BOSE LIFESTYLE 235 MODULE CONTAINS NO USER SERVICEABLE PARTS TO PREVENT WARRANTY INFRACTIONS REFER SERVICING TO WARRANTY SERVICE STATIONS OR FACTORY SERVICE PROPRIETARY INFORMATION THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF BOSE CORPORATION WHICH IS BEING FURNISHED ONLY FOR THE PURPOSE OF SERVICING THE IDENTIFIED BOSE PRODUCT BY AN AUTHORIZED SERVICE CENTER OR OWNER OF THE BOSE PRODUCT AND SHALL NOT BE REPRODUCED OR USED FOR ANY OTHER PURPOSE SAFETY INFORMATION 1 Parts that have special safety characteristics are identified by me N symbol on schematics or by special notes on the parts list Use only replacement parts that have critical characteristics recom mended by the manufacturer 2 Make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from the supply circuit before returning the unit to the customer Use the following checks to perform these measurements A Leakage Current Hot Check With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL 6500 60065
29. ist Miscellaneouse Reference Description Part Number Designator RT100 TEMP SENSE 16V 125C 2090 258497 125 RT101 THERMISTOR 10K 590 0805 197229 RT102 THERMISTOR 10K 590 0805 197229 T101 3mH CHOKE LINE COMMON MODE 260371 002 1102 XFORMER PWR HIGH FREQ 42 20 258422 002 VR102 VARISTOR MET OX 150V 45 JOULE 170186 1 VR103 VARISTOR MET 150V 45 JOULE 170186 3 4103 CONN HEADER LOCKING TOP 193369 002 ENTRY J106 CONN ZIF 1MM 10 POS SMT 191479 10 J108 CONN HEADER INLINE PCB MNT 4P 133220 04 J109 CONN HEADER INLINE 3P BLACK 133220 103 CLIP TINNERMAN 258354 HEATSINK SHIELD PWR ASSY 293200 001 22 Array Assembly List Description Part Number QTY Number 1 NAMEPLATE ARRAY LEFT BLACK 326167 0010 NAMEPLAT E ARRAY RIGHT BLACK 326 168 0010 NAMEPLATE ARRAY LEFT WHITE 326 167 0020 NAMEPLATE ARRAY RIGHT WHITE 326168 0020 2 GRILLE ARRAY LS235 BLK 345688 0010 GRILLE ARRAY LS235 WHITE 345688 0020 3 SC REW TAPP A 16X 38 PAN XREC 288372 006 4 TWIDD LER 50MM 291636 001 or 359302 0010 5 TWIDDLER 50MM SEALED BASKET 326 170 0010 1 Figure 3 Array Exploded View 23 Disassembly 1 Front Cover Removal 1 1 Remove the four screws indicated Pull off the front cover Note The DSP PCB is attached to the front panel Cables from the P
30. it 0 3 Bass Thrm 0 8 PS Thrm Limit 0 3 PS Thrm 0 8 Test Setup The bass module requires a digital audio input Connect the analog output of an oscillator to the analog input of an Analog to Digital A D converter Connect the test cable s RCA connector to the A D converter S PDIF output Outputs are not loaded unless specified To deliver a signal to all 6 amplifier channels the signal should be encoded on the left S PDIF channel Issue TAP commands SP 5 BY ALL SO ALL DL A Caution Before handling the Power Supply 31 PCB SPS PCB after power has been removed connect a 1K 5W resistor across C110 and then across C111 for 2 seconds to discharge the two caps C110 and C111 must be discharged before the board can be safely handled Failure to discharge the caps could result in electrical shock 2 Mid Frequency Gain Channels 2 1 Apply a 1Vrms 400 Hz SPDIF signal to the bass module 2 2 Measure the amplifier outputs according to the following table Measurement Point Measurement LC Output 8 5 Vrms 10 RC Output LS Output 8 5 Vrms 1090 8 5 Vrms 1090 RS Output 8 5 Vrms 10 Bass Output J108 8 5 Vrms 10 Note J108 is located on the power supply PCB PCB Level Performance Verification Tests 3 Mute Channels 6 Bass Low Frequency Gain 3 1 Apply a 1Vrms 400 Hz SPDIF signal to the bass 6 1 Apply a 1Vrms 30 Hz sine wave audio signal via modu
31. le the S PDIF input 3 2 Issue the TAP command MU AMP ON to place 6 2 Measure the bass output at J108 It should be the amplifiers in the muted state 8 0Vrms 1090 3 3 Measure the amplifier outputs according to the 7 DC Offset All Channels following table 7 1 Short the analog inputs to the D A converter 3 4 When complete issue the TAP command MU AMP OFF to unmute the amps 7 2 Measure the amplifier outputs according to the following table Measurement Point Measurement LC Output RCA lt 1 mVrms Measurement Point Measurement RC Output RCA LC Output RCA 70 mVdc LS Output RCA lt 1 mVrms RC Output lt 70 mVdc RS Output RCA lt 1 mVrms LS Output RCA lt 70 mVdc Bass Output J108 lt 1mVrms RS REA Bass Output J108 25 mVdc Note J108 is located on the power supply PCB Note J108 is located on the power supply PCB 4 Satellite High Frequency Gain 8 Satellite Channel Small Signal Distortion 4 1 Apply a 1Vrms 15 kHz sine wave audio signal via the S PDIF input 8 1 Connect a 8 Ohm 1 2 watt resistor to the amplifier output being tested 4 2 Measure the amplifier outputs according to the following table 8 2 Apply a 6 0 kHz signal at a level to obtain 1 10 watt output at each channel 0 89 volts measured Measurement Point Measurement across the 8 ohm load LC Output RCA 8 0 Vrms 10 RC Output RCA 8 0 Vrms 10 8
32. nd is the firmware version The latest software version is posted on http serviceops bose com 2 Thermistor Test 2 1 Issue the TAP command ST T The bass modules should respond similar to the following gt STT Rev 010100 BassThrm 0 6992 PS Thrm 0 6914 BasAThrm 0 4961 Rate 192012 56 SPDIFE 00000000 gt 30 2 2 Verify the results are within the following limits BassThrm Limit 0 65 0 08 BassThrm 0 6992 Limit 0 3 BassThrm lt 0 8 PS Thrm 0 6914 Limit 0 3 lt PS Thrm lt 0 8 3 PSC Test Power Supply Control 3 1 Issue the command PS Wait 250ms Issue the TAP command TN5 3 2 Verify the response is PS Passed 4 Bass Module Frequency Sweep Test 4 1 Apply a 200mVrms 100 Hz signal to the bass module 4 2 Sweep the oscillator from 40 Hz to 300 Hz Note No extraneous noises such as rubbing scraping or ticking should be heard To distinguish between normal suspension noise rubs and ticks displace the woofer cone with your finger If the sound can be made to go away or get worse it s a rub or tick and the woofer should be replaced If the noise stays the same it s normal suspension noise and it will not be heard with regular program material 5 Air Leak Test 5 1 Apply a 200mVrms 40 Hz signal to the bass module Check for air leaks from the cabinet particu larly from where the SPS PCB EMI can mounts to the cabinet 6 Cube Output Test 6 1 Apply a 1 kHz 125
33. ower Supply SPS PCB attach to the DSP PCB 1 2 Remove the connectors from the DSP PCB Important Note When replacing the front cover twist the foam wrapped cable as shown to ensure when assembled the cable is poistioned away from the area of the PCB where the MOV is located T lh p R i 2 DSP PCB Removal 2 1 Perform procedure 1 2 2 On the front cover connection panel remove the three screws indicated 2 3 Remove the three screws indicated securing the outputs to the heatsink Lift out the DSP PCB 24 Disassembly Procedures 3 Steel Baffle Plate SPS Removal 3 1 Remove the six screws that secure the baffle to the cabinet Note The SPS module is attached to this plate 3 2 Remove the six screws indicated that secure the EMI power supply shield to the steel baffle plate Lift off the EMI shield 3 3 Remove the six screws indicated that secure the SPS PCB to the steel baffle plate Lift off the SPS PCB 3 4 Inspect the EMI gasket If the EMI gasket is deformed and cannot be reshaped properly replace the EMI gasket EMI Gasket 25 Dissasembly Procedures 4 Cube Grille and Twiddler Removal 4 1 At the points indicated use the tips of your fingers to release the Bose logo and slide it off 4 2 Remove the screw indicated 4 3 Using a pointed tool pull outward on the side of the grill to release the grill tabs from the cube housing Once the side i
34. receive further TAP commands Refer to the test procedures 2515 File Edit Setup Control Window Help Reset terminal Are you there Sendbreak Al B Reset port Open TEK Glose Macro files 714 ET 1 pem Check if the bass module is ready to receive TAP by issuing the TAP command ST S Type Note There are three files in ps3macro zip The STS macro file omnibus ttl sends the following commands Press Return enter TAP select 5 speaker mode bypass A similar reply would be all processing send left input to all channels set SAMPLE RATE 44102 34 volume to max unmute the DSP and unmute the SPKR TYPE 10 power amps The two INI files set the TeraTerm LCRB MUTE 0 terminal emulator program All three files should be LSRS 0 placed in the same folder as the TeraTerm program SPDIFE 00000000 SERIAL 1234567890ABCDEFG 28 Array Output Cable Using the system array cable part number 331294 0010 or 0020 create atest cable to connect to the bass module DSUB cube output connector Cut off the speaker connectors Using the tables and drawings below make a test cable to connect to your test equipment Note You can also probe the cable connectors instead of creating a test cable 2 7 poe ey
35. s released the front grille tab can be released from the cube housing 4 4 Remove the four screws from the driver you wish to remove 4 5 Lift the driver out of the cabinet 4 6 Record the color of the wires and terminal Refer to this when replacing the driver 26 Set up a Computer to Issue Commands 1 Set up the Terminal Emulator 1 1 Download the terminal emulator TeraTerm from the Lifestyle 235 Bass Module product page located on the Service web site http serviceops bose com 1 2 Setup a terminal emulator as shown below TeraTerm terminal emulator is shown Iii Tera Term COMI VT cl xl File Edit Setup Control Window Help Tera Term Serial port setup Terminal Window Font Baud rate 4800 Data bit Cancel Keyboard Serial port TCP IP General Parity none Save setup Restore setup Stop fi bit z Elow control none Load key fo msecjchar a msec line 4800 baud 8 data bits No parity 1 stop bit No flow control RCA PLUG LO PIN D SUB FEMALE o GEO PORT MINI DIN PLUG U U 9 PI MINI DIN LUG 0090900 OO 6000 DB 9 ES SHIELD SHELL 9V BATTERY CONNECTOR os A VU 5

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