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Bose T1 ToneMatch, Service Manual

The Bose T1 ToneMatch Owner's Manual is a comprehensive guide that provides in-depth information on operating and maximizing the potential of your ToneMatch device. Download this manual for free from our website and unlock the full potential of your Bose T1 ToneMatch for an unparalleled audio experience.

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20

Electrical Part List

Resistors (continued)

Reference 

Designator 

Description Vendor 

Part 

Number 

Note 

R276 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R277 

4.42K, RMG, 0603, 1/16W, 1% 

4723-4421+P 

4 

R278 

4.42K, RMG, 0603, 1/16W, 1% 

4723-4421+P 

4 

R279 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R280 

2.32K, RMG, 0603, 1/16W, 1% 

4723-2321+P 

4 

R281 

2.32K, RMG, 0603, 1/16W, 1% 

4723-2321+P 

4 

R282 

100 OHM, RMG, 0603/1608, 1/16W, 5% 

4723-101J+P 

4 

R283 

240 OHM, RMG, 0603/1608, 1/16W, 5% 

4723-241J+P 

4 

R287 

6.8K, RMG, 0603/1608, 1/16W, 1% 

4723-682A+P 

4 

R288 

75 OHM, RMG, 0603/1608, 1/16W, 5% 

4723-750J+P 

4 

R289 

6.8K, RMG, 0603/1608, 1/16W, 1% 

4723-682A+P 

4 

R290 

75 OHM, RMG, 0603/1608, 1/16W, 5% 

4723-750J+P 

4 

R291 

47K, RMG, 0603/1608, 1/16W, 5% 

4723-473J+P 

4 

R293 

10K, RMG, 0603/1608, 1/16W, 5% 

4723-103J+P 

4 

R294 

10K, RMG, 0603/1608, 1/16W, 1% 

4723-103A+P 

4 

R295 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R296 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R297 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R298 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R299 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R300 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R301 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R302 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R303 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R304 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R305 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R306 

100K, RMG, 0603/1608, 1/16W, 5% 

4723-104J+P 

4 

R307 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R308 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R309 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R310 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R311 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R312 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R313 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R314 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R315 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R316 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R317 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R318 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R319 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R320 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R321 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R322 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R323 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R324 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

R325 

1.5K, RMG, 1206, 1/8W, 5% 

4721-152J+6 

4 

 

Digital Signal Processor (DSP) PCB Assembly

Summary of Contents for T1 ToneMatch

Page 1: ... 2010 Bose Corporation Reference Number 296137 SM Rev 01 Service Manual T1 ToneMatch Audio Engine US Canada European UK and Australian Versions Electronic Copy Only ...

Page 2: ...res 40 41 Test Procedures 42 43 Appendix 44 65 T1 ToneMatch Test Cables 44 Software Update Procedure 45 Theory of Operation 46 51 Circuit Board Layout Diagrams 52 56 Figure 3 DSP PCB Top Component Layout and Etch 52 Figure 4 DSP PCB Top Component Layout and Power Layer Etch 53 Figure 5 DSP PCB Top Component Layout and Ground Layer Etch 54 Figure 6 DSP PCB Bottom Component Layout and Etch 55 Figure...

Page 3: ...MEASUREMENTS 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 resistance with an ohmmeter between the jumpered AC plug and each ex...

Page 4: ...he T1 operates on DC power received from the power stand The optional T1 ToneMatch audio engine power supply is used to power the T1 when it is connected to an L1 model I system or a USB port on your computer Features and benefits Quick and easy to use interface One cable connection to L1 model II loudspeaker ToneMatch port Mountable on a Cylindrical Radiator loudspeaker or a microphone stand High...

Page 5: ...o both global and channel related parameters which are adjusted using the editing controls 5 MASTER volume control Adjusts the overall output level 6 Mute buttons 1 4 5 Silences the audio output for the respective channel 7 Volume controls 1 4 5 Adjusts the volume level for the respective channel 8 FX mute buttons 1 4 5 Bypasses the Mod Delay and Reverb effects on the selected channel 9 CH Edit bu...

Page 6: ...TS unbalanced cables 5 Master Output User definable analog output Can be configured for a pre or post Master volume analog output Accepts TRS balanced or TS unbalanced cables 6 USB port A USB interface that allows you to connect the T1 to your computer This feature enables you to stream audio to from your computer update the T1 and back up performance scenes 7 Power switch Turns the T1 audio engin...

Page 7: ...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 device...

Page 8: ...0 4301 7273 0 1 3 QUICKSTART GUIDE 303149 4301 7299 0 1 4 POLYBAG 1497 4122 0 2 4 5 T1 TONEMATCH AUDIO ENG REF 1 6 NYLON CARRY BAG 042534 SVC SIEN11 BAG 1 7 UPPER PACKING TRAY 307723 SVC SIEN11 TRAYU 1 8 LOWER PACKING TRAY 307724 SVC SIEN11 TRAYL 1 9 RJ 45 ETHERCON CABLE 042536 SVC SIEN11 CABLE 1 10 L2 CARRIAGE 298750 4155 2721 0 1 11 RETENTION SCREW 298751 4155 2731 0 1 12 POLYBAG 1497 2812 0 1 4...

Page 9: ...W FLAT CS M3x5 B 2901 3005 3000 2 4 17 SCREW MACH FLAT CS 2901 3006 3000 1 4 18 SCREW M3x8 S29503008 3000 2920 3008 3000 8 4 19 B TITE 3x10 BLK ZN 2954 3010 3000 2 4 20 CONNECTOR PCB ASSEMBLY 305297 SVC SIEN11 I O 1 21 MOUNTING BKT REAR 298749 4135 7071 0 1 22 BRACKET LCD 4135 7081 0 1 4 23 NUT PLASTIC M10x4 8 4155 1031 0 6 4 24 RETAINER BSPASIEN 05CS11 301567 4155 2631 0 1 25 LATCH LID 298748 415...

Page 10: ...10 Figure 2 T1 ToneMatch Audio Engine Exploded View ...

Page 11: ...16W 5 4723 000J P 4 R61 10K RMG 0603 1608 1 16W 1 4723 103A P 4 R62 4 99K RMG 0603 1 16W 1 4723 4991 P 4 R63 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R64 10K RMG 0603 1608 1 16W 1 4723 103A P 4 R65 10K RMG 0603 1608 1 16W 1 4723 103A P 4 R66 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R67 10K RMG 0603 1608 1 16W 1 4723 103A P 4 R68 4 99K RMG 0603 1 16W 1 4723 4991 P 4 R69 0 OHM RMG 0603 1 16W 5 4723 000J P 4...

Page 12: ...6W 1 4723 101J P 4 R244 100 OHM RMG 0603 1 16W 1 4723 101J P 4 R246 100 OHM RMG 0603 1 16W 1 4723 101J P 4 R284 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R292 47K RMG 0603 1608 1 16W 5 4723 473J P 4 Reference Designator Description Vendor Part Number Note C5 330pF CC 0603 1608 50V 10 1X2 150F 331K P AC 4 C6 330pF CC 0603 1608 50V 10 1X2 150F 331K P AC 4 C7 1000pF CC 0603 1608 50V 10 1X2 150F 102K P AC ...

Page 13: ... 157D 106M 3 GJ 4 C87 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C88 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C89 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C90 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C91 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C92 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C93 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C94 10uF CE 16V 20 SMD 4X5 4 157D 106M 3 GJ 4 C95 10uF CE 16...

Page 14: ...V99 SOT23 PHILIPS 4840 8970 3 4 D14 BAV99 SOT23 PHILIPS 4840 8970 3 4 Diodes Integrated Circuits Reference Designator Description Vendor Part Number Note U7 NJM2068M ZZZB DUAL OP AMP 3130 6890 0 4 U8 NJM2068M ZZZB DUAL OP AMP 3130 6890 0 4 U13 NJM2068M ZZZB DUAL OP AMP 3130 6890 0 4 U15 NJM2068M ZZZB DUAL OP AMP 3130 6890 0 4 U17 NJM2068M ZZZB DUAL OP AMP 3130 6890 0 4 U18 NJM2068M ZZZB DUAL OP AM...

Page 15: ...G 0603 1608 1 16W 5 4723 103J P 4 R25 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R26 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R27 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R28 1K RMG 0603 1608 1 16W 1 4723 102A P 4 R29 0 OHM RMG 0603 1 16W 5 4723 000J P R 4 R31 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R32 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R33 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R34 10K RMG 0603...

Page 16: ... 5 4721 152J 6 4 R72 1 5K RMG 1206 1 8W 5 4721 152J 6 4 R78 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R79 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R81 0 OHM RMG 1206 1 8W 1 4721 000A 6 4 R82 3 3 OHM RMG 1206 1 8W 5 4721 3R3J 6 4 R83 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R84 6 8K RMG 0603 1 16W 5 4723 682J P R 4 R85 6 8K RMG 0603 1 16W 5 4723 682J P R 4 R86 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R87 10K RMG 12...

Page 17: ... 5 4723 000J P 4 R132 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R133 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R134 1K RMG 0805 1 10W 1 4720 102A J 4 R135 1K RMG 0805 1 10W 1 4720 102A J 4 R136 1K RMG 0603 1608 1 16W 1 4723 102A P 4 R137 2 2K RMG 0603 1608 1 16W 1 4723 222A P 4 R138 6 8K RMG 0603 1608 1 16W 1 4723 682A P 4 R140 6 8K RMG 0603 1608 1 16W 1 4723 682A P 4 R141 10K RMG 0603 1608 1 16W 1 4723 103...

Page 18: ...84 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R185 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R186 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R187 4 7K RMG 0603 1608 1 16W 5 4723 472J P 4 R188 4 7K RMG 0603 1608 1 16W 5 4723 472J P 4 R189 4 7K RMG 0603 1608 1 16W 5 4723 472J P 4 R190 4 7K RMG 0603 1608 1 16W 5 4723 472J P 4 R191 4 7K RMG 0603 1608 1 16W 5 4723 472J P 4 R192 4 7K RMG 0603 1608 1 16W 5 4723 ...

Page 19: ... 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R251 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R252 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R253 RCFA 47RX4 0603 1 16W 5 4703 470J P 04 4 R254 0 OHM RMG 1206 1 8W 1 4721 000A 6 4 R255 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R256 30 9K RMG 0603 1608 1 16W 1 4723 3092 P 4 R257 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R258 10K RMG 0603 1608 1 16W 1 4723 103A P 4 R25...

Page 20: ...299 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R300 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R301 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R302 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R303 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R304 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R305 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R306 100K RMG 0603 1608 1 16W 5 4723 104J P 4 R307 1 5K RMG 1206 1 8W 5 4721 15...

Page 21: ...J J 4 R346 10 OHM RMG 1206 1 4W 5 4725 100J 6 4 R347 16K RMG 0603 1608 1 16W 1 4723 163A P 4 R348 499 OHM RMG 0805 1 10W 1 4720 4990 J 4 R349 499 OHM RMG 0805 1 10W 1 4720 4990 J 4 R350 499 OHM RMG 0805 1 10W 1 4720 4990 J 4 R351 1 8K RMG 0603 1608 1 16W 1 4723 182A P 4 R352 27K RMG 0603 1608 1 16W 1 4723 273A P 4 R353 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R354 10K RMG 0603 1608 1 16W 5 4723 103...

Page 22: ...603 1 16W 1 4723 151A P 4 R393 270 OHM RMG 0603 1608 1 16W 1 4723 271A P 4 R394 270 OHM RMG 0603 1608 1 16W 1 4723 271A P 4 R395 270 OHM RMG 0603 1608 1 16W 1 4723 271A P 4 R396 270 OHM RMG 0603 1608 1 16W 1 4723 271A P 4 R397 270 OHM RMG 0603 1608 1 16W 1 4723 271A P 4 R398 270 OHM RMG 0603 1608 1 16W 1 4723 271A P 4 R399 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R400 0 OHM RMG 0603 1 16W 5 4723 000J ...

Page 23: ... R521 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R522 4 7K RMG 0603 1608 1 16W 5 4723 472J P 4 R523 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R524 1M RMG 0603 1 16W 1 4723 105A P 4 R525 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R526 330 OHM RMG 0603 1608 1 16W 5 4723 331J P 4 R527 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R528 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R529 10K RMG 0603 1608 1 16W 5 4723 103J...

Page 24: ... RMG 0603 1 16W 5 4723 1R0J P R 4 R576 1 OHM RMG 0603 1 16W 5 4723 1R0J P R 4 R599 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R600 10K RMG 0603 1608 1 16W 5 4723 103J P 4 R601 0 OHM RMG 0603 1 16W 5 4723 000J P 4 R602 100 OHM RMG 0603 1608 1 16W 5 4723 101J P 4 R603 100 OHM RMG 0603 1608 1 16W 5 4723 101J P 4 R604 100 OHM RMG 0603 1608 1 16W 5 4723 101J P 4 R605 100 OHM RMG 0603 1608 1 16W 5 4723 101...

Page 25: ... 0603 1608 50V 5 1X2 150F 101J P AC 4 C23 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C24 470pF CC 0603 50V 5 150F 471J P AC 4 C25 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C26 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C27 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C28 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C29 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C30 0 01uF CC 0603 50V 10 1x2 150F 103K...

Page 26: ...227M K S9R 4 C68 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C69 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C70 0 1uF CC 0805 50V 10 1 2X2 0 150F 104K J BD 4 C72 1000pF CC 0603 1608 50V 10 1X2 150F 102K P AC 4 C73 1000pF CC 0603 1608 50V 10 1X2 150F 102K P AC 4 C74 100pF CC 0603 1608 50V 5 1X2 150F 101J P AC 4 C76 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C77 0 01uF CC 0603 50V 10 1x2 150F 103K P ...

Page 27: ...4 C127 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C129 0 1uF CC 0805 50V 10 1 2X2 0 150F 104K J BD 4 C131 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C132 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C133 1000pF CC 0603 1608 50V 10 1X2 150F 102K P AC 4 C134 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C137 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C138 10uF CT 16V 20 SMD 1 6X3 2 154D 106M 3 CF...

Page 28: ...0603 1608 50V 10 1x2 150F 104K P AC 4 C175 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C176 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C177 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C178 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C179 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C180 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C181 470uF CE 25V 20 RLT 10X12 5 157E 477M K SXE 4...

Page 29: ...03 50V 5 150F 221J P AC 4 C231 47pF CC 0603 50V 5 1x2 150F 470J P AC 4 C232 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C233 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C234 100uF CE 35V 105C 20 RLR 6 3X11 LOW ESR 157Q 107M H LUTR 4 C235 220uF CE 35V 105C 20 RLT 8X11 5 LOW ESR 157Q 227M U OVR 4 C245 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C247 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P...

Page 30: ... J BD 4 C320 1uF CC 0805 10V 10 150C 105K J BD 4 C321 1uF CC 0805 10V 10 150C 105K J BD 4 C324 1800pF CC 0603 50V 5 0 8X1 6 150F 182J P AC 4 C325 2700pF CC 0603 1608 50V 10 150F 272K P AC 4 C326 220uF CE 35V 105C 20 RLT 8X11 5 LOW ESR 157Q 227M U OVR 4 C327 220uF CE 35V 105C 20 RLT 8X11 5 LOW ESR 157Q 227M U OVR 4 C330 47uF CT 16V 85C 10 SMD 6 0X3 2 154D 476K 3 KF 4 C331 47uF CT 16V 85C 10 SMD 6 0...

Page 31: ... AC 4 C535 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C536 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C537 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C538 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C539 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C540 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C544 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C545 0 1uF CC 0603 1608 50V 10 1x2 150F 104K P AC 4 C546 0...

Page 32: ...x2 150F 103K P AC 4 C583 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C584 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C585 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C586 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C587 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C588 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C589 0 01uF CC 0603 50V 10 1x2 150F 103K P AC 4 C590 0 01uF CC 0603 50V 10 1x2 150F 103K P A...

Page 33: ... FERRITE BEAD SMD 125 OHM ACB453215 1802 0630 0 4 L12 FERRITE BEAD SMD 125 OHM ACB453215 1802 0630 0 4 L16 FERRITE BEAD SMD 125 OHM ACB453215 1802 0630 0 4 L17 FERRITE BEAD SMD 125 OHM ACB453215 1802 0630 0 4 L18 INDUCTOR 47uH 20 8 4X8 3 SMD 1803 0110 0 4 L19 INDUCTOR 470uH 20 12 8x12 8 SMD 1803 0111 0 4 L20 0 OHM RMG 1206 1 8W 1 4721 000A 6 4 L500 FERRITE CHIP 0603 BLM18AG102SN1D MURATA 1808 0878...

Page 34: ...ce Designator Description Vendor Part Number Note LED1 LED OS GN LOW CURRENT 525NM SMD 3700 7834 G 4 LED2 LED OS GN LOW CURRENT 525NM SMD 3700 7834 G 4 LED3 LED OS GN LOW CURRENT 525NM SMD 3700 7834 G 4 LED4 LED OS GN LOW CURRENT 525NM SMD 3700 7834 G 4 LED5 LOW CURRENT SMD LED RED 2mA 3700 7829 R 4 LED6 LOW CURRENT SMD LED RED 2mA 3700 7829 R 4 LED7 LOW CURRENT SMD LED RED 2mA 3700 7829 R 4 LED8 ...

Page 35: ...4 4030 3 4 Q8 MMBT4403LT1G SMD 4854 4030 3 4 Q9 MMBT4403LT1G SMD 4854 4030 3 4 Q10 MMBT4403LT1G SMD 4854 4030 3 4 Q11 MMBT4403LT1G SMD 4854 4030 3 4 Q12 MMBT4403LT1G SMD 4854 4030 3 4 Q13 MMBT4403LT1G SMD 4854 4030 3 4 Q14 MMBT4403LT1G SMD 4854 4030 3 4 Q15 MMBT4403LT1G SMD 4854 4030 3 4 Q16 MMBT4403LT1G SMD 4854 4030 3 4 Q17 MMBT4403LT1G SMD 4854 4030 3 4 Q18 MMBT4403LT1G SMD 4854 4030 3 4 Q19 MM...

Page 36: ...4 Q53 MMBT4403LT1G SMD 4854 4030 3 4 Q54 MMBT4403LT1G SMD 4854 4030 3 4 Q55 MMBT4403LT1G SMD 4854 4030 3 4 Q56 MMBT4403LT1G SMD 4854 4030 3 4 Q57 MMBT4403LT1G SMD 4854 4030 3 4 Q58 MMBT4403LT1G SMD 4854 4030 3 4 Q59 MMBT4403LT1G SMD 4854 4030 3 4 Q60 MMBT4403LT1G SMD 4854 4030 3 4 Q61 MMBT4403LT1G SMD 4854 4030 3 4 Q62 MMBT4403LT1G SMD 4854 4030 3 4 Q63 MMBT4403LT1G SMD 4854 4030 3 4 Q64 MMBT4403L...

Page 37: ...RRUS LOGIC 3132 4471 0 4 U22 STEP DOWN CONVERTER MP1591DN SOIC8N MPS 3132 4711 0 4 U23 STEP DOWN CONVERTER MP1591DN SOIC8N MPS 3132 4711 0 4 U24 HEX INVERTER SN74LVCU04APW TSSOP 14 PIN 3132 4731 0 4 U25 REG NCP1117ST33T3G 3 3V SOT 223 ONSEMI 3132 1481 0 11 4 U26 OR GATE QUAD 74HC32 SO14 ST 3132 3781 0 4 U29 TL494CDR SMD S0 16 PWM CONTROLLER 3132 0610 0 4 U500 RESET MCP100T 315I TT SOT23 MICROCHIPP...

Page 38: ... 3212 0 4 RT1 NTC THERMISTER 5 0HM 4A NIOSP005L UL CSA VDE 5202 0010 0 4 S512 ENCODER ROTARY 4 BIT 12 POSITIONS L 16 7 NOBLE 5200 4954 0 03 4 S513 ENCODER ROTARY 2BIT W SW L 20 5200 4946 0 4 S514 ENCODER ROTARY 2BIT W SW L 20 5200 4946 0 4 S515 ENCODER ROTARY 2BIT W SW L 20 5200 4946 0 4 SW2 PUSH SW PS828L 8x8mm MIC 5200 3573 0 00 4 T1 CHOKE CM 2200 OHMS AT 100MHZ SM DLW31SN222SQ2L MURATA 1806 396...

Page 39: ... 49 SMD 2300 3291 0 4 X2 CRYSTAL HC49 12 288MHZ 20PPM 4 7X13 SMD 2300 3284 0 4 Capacitors Display PCB Assembly Reference Designator Description Vendor Part Number Note C101 1000pF CC 0805 50V 10 1 2x2 0 150F 102K J BD 4 C102 0 OHM RMG 0805 1 10W 5 4720 000J J 4 C103 0 OHM RMG 1206 1 8W 1 4721 000A 6 4 C104 0 OHM RMG 0805 1 10W 5 4720 000J J 4 C105 1000pF CC 0805 50V 10 1 2x2 0 150F 102K J BD 4 Mis...

Page 40: ...he unit near the volume controls carefully separate the bottom housing from the top housing Lift off the bottom housing 2 Top Housing Removal 2 1 Perform procedure 1 2 2 Pull off the trim rotary selector master volume and channel volume knobs from the front panel 2 3 Turn the unit over onto the front panel and remove the two screws that secure the DSP PCB and I O PCB subassembly to the top housing...

Page 41: ...Perform procedure 3 4 2 Using a Phillps head screwdriver re move the two screws that secure the I O PCB to the two metal standoffs on the Main PCB 4 3 Lift the I O PCB straight off of the Main PCB to disengage it from connector CN504 4 4 Unsolder the black ground wire located near C72 on the Main PCB 5 LCD PCB Assembly Removal 5 1 Perform procedure 2 5 2 Using a pair of needle nose pliers compress...

Page 42: ...he channel 1 trim LED changes from green to yellow to red 2 5 Verify that the channel 1 trim LED changes color at the following levels Green 30dBV 2dBV Yellow 0dBV 2dBV Red 8dBV 2dBV 2 6 Repeat steps 2 1 to 2 5 for channels 2 and 3 2 7 Repeat steps 2 1 to 2 4 for channels 4 and 5 Verify that the trim LEDs for channels 4 and 5 change color at the following levels Green 33dBV 2dBV Yellow 3dBV 2dBV R...

Page 43: ...ve to pin 1 GND 6 3 Measure the DC voltage at pin 2 relative to pin 1 Verify that it is 48VDC Measure the DC voltage at pin 3 relative to pin 1 Verify that it is 48VDC 6 4 Repeat steps 6 1 to 6 3 for channels 2 and 3 7 USB Test 7 1 Using a USB cable connect the T1 to a computer running Windows 2000 or higher Verify that the PC recognizes the USB port 8 ToneMatch Operational Test 8 1 Set up the L1 ...

Page 44: ...le shield to pin 1 of the XLR jack 2 Balanced 1 4 Test Cable Parts needed 1 Tip Ring Sleeve TRS 1 4 phono jack 1 Dual banana jack Shielded stereo cable 6 feet This cable is used to test the channel 1 2 3 and 4 5 line inputs and the preamp master and aux outputs Connect the TIP of the phono jack to one of the shielded twisted pair wires Connect the RING of the phono jack to the other wire in the sh...

Page 45: ... to the right of the ON OFF switch on the rear panel If you don t have a T1 AC power supply you can power the T1 using an L1 Model II power stand and ToneMatch cable Refer to the owner s guide on the Bose Musicians web site for more information 4 Turn on the customer unit Verify that the computer recognizes the unit as a USB audio device 5 On the computer double click the L1 Updater icon to run th...

Page 46: ...that carries audio communication and power so that the T1 can operate without an external power supply or AC connection A separate external wall wart type power supply is available as an option for those that desire it The T1 is designed for the needs of a single musician and not intended to be shared between players I O Connectors ToneMatch port Ethercon connector for digital audio output to the ...

Page 47: ... gain settings whereas output voltage swing is more important at high gain settings In addition to the core Preamp section there are other additions to optimize performance with both dynamic and condenser microphones The input impedance is maintained at approxi mately 1 8Kohms which is considered optimal for most dynamic mics A switchable 48VDC phantom supply for condenser mics is generated in the...

Page 48: ...s For channels 1 2 and 3 the preamp outputs after the diff amp are routed through another set of buffers to convert them to balanced U7 for channel 1 and present them at a output jack at line level The output jacks have 100 Ohm resistors in series to provide a low but finite output impedance The signal is capacitively coupled for protection against external DC voltages and referenced to ground thr...

Page 49: ...ut of the aux summer is send directly to the analog Aux output All outputs have limiter clipper to prevent hard clipping of the D A con verters in cases where the system is internally overdriven Master Output The master output comes from U21 is filtered by U16 then converted to a balanced signal by U17 and fed out the Master Output jack Auxiliary Output The auxiliary output comes from U21 is filte...

Page 50: ...n through J12 This can be created by an external power supply when the T1 is used without the L1 Model II power stand or it can come from the L1 Model II When the power stand supplies the voltage it can range from 16 to 29 VDC U1 and U4 switch the 18 V to 15VDC for audio and LED power U23 provides 5VDC which is in turn linearly regulated down to 3 3V for the DSP I O supply A 1 2V 500 mA supply is ...

Page 51: ...ster Volume controls In order to read the many inputs required the encoders and button outputs are applied to latches U511 14 which are polled by the DSP Address lines A21 23 are decoded in U509 to provide 8 control lines used as latch enables latch output controls and a chip select for the SRAM The Latch output controls of U509 are NOR d with the read enable to provide the appropriate signals for...

Page 52: ...52 Figure 3 DSP PCB Top Component Layout and Etch Circuit Board Layout Diagrams ...

Page 53: ...53 Figure 4 DSP PCB Top Component Layout and Power Layer Etch Circuit Board Layout Diagrams ...

Page 54: ...54 Figure 5 DSP PCB Top Component Layout and Ground Layer Etch Circuit Board Layout Diagrams ...

Page 55: ...55 Figure 6 DSP PCB Bottom Component Layout and Etch Circuit Board Layout Diagrams ...

Page 56: ...t and Etch Figure 8 Input Output PCB Bottom Component Layout and Etch Figure 9 15V PCB Top Component Layout and Etch Figure 10 15V PCB Bottom Component Layout and Etch Figure 11 Display PCB Top Component Layout and Etch Circuit Board Layout Diagrams ...

Page 57: ...A2 1 2 3 15 13 11 7 9 10 12 14 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 4 5 6 E1 E2 E3 FUNCTION TABLE Notes 1 H HIGH voltage level L LOW voltage level X don t care S T U P T U O S T U P N I E1 E2 E3 A0 A1 A2 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 H X X X H X X X L X X X X X X X X X H H H H H H H H H H H H H H H H H H H H H H H H L L L L L L L L H H H H L H L H L L H H L L L L L H H H H L H H H H L H H H H L H H H H H H H H H H H...

Page 58: ...E transition X don t care Z high impedance OFF state OPERATING MODES INPUTS INTERNAL LATCHES OUTPUTS OE LE Dn Q0 to Q7 enable and read register transparent mode L L H H L H L H L H latch and read register L L L L l h L H L H latch register and disable outputs H H X X X X X X Z Z IC Diagrams 74HC373 Octal D type latch S Q R Q2 Q1 100 Ipk OscillatorCT Comparator 1 25 V Reference Regulator 1 2 3 4 5 ...

Page 59: ... using software to be active low When AD15 0 are flags this pin remains deasserted ALE has a 20 kΩ internal pull down resistor FLAG3 0 I O A Three state Flag Pins Each flag pin is configured via control bits as either an input or output As an input it can be tested as a condition As an output it can be used to signal external peripherals These pins can be used as an SPI interface slave select outp...

Page 60: ...k to CLKIN while leaving XTAL unconnected configures the processors to use the external clock source such as an externalclockoscillator ThecoreisclockedeitherbythePLLoutputorthisclockinput depending on the CLKCFG1 0 pin settings CLKIN may not be halted changed or operated below the specified frequency XTAL O Output only2 Crystal Oscillator Terminal Used in conjunction with CLKIN to drive an extern...

Page 61: ...ase operations regardless of whether the Enable Sector Protection command has been issued or not The WP pin functions independently of the softwar e controlled protection method After the WP pin goes low the content of the Sect or Protection Regist er cannot be modified If a program or erase command is issued to the device while the WP pin is asserted the device will simply ignore the command and ...

Page 62: ...e SDIN 7 Serial Audio Data Input Input Input for two s complement serial audio data DGND 8 Digital Ground Input Ground reference for the internal digital section VD 9 Digital Power Input Positive power for the internal digital section VL 10 Logic Power Input Positive power for the digital input output interface M0 11 Mode Select 0 Input In conjunction with M1 selects operating mode Functionality i...

Page 63: ... 3V VSS Ground N C No Connection PINOUT DIAGRAM TOP VIEW 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1IN 1IN FEEDBACK DTC CT RT GND C1 2IN 2IN REF OUTPUT CTRL VCC C2 E2 E1 TOP VIEW GND VCC Reference Regulator C1 Pulse Steering Flip Flop C1 1D DTC CT RT PWM Comparator Error Amplifier 1 0 1 V Dead Time Control Comparator Oscillator OUTPUT CTRL see Function Table 0 7 mA E1 C2 E2 Error Amplifier 2 1IN 1IN ...

Page 64: ...ompensation Node COMP is used to compensate the regulation control loop Connect a series RC network from COMP to GND to compensate the regulation control loop In some cases an additional capacitor from COMP to GND is required See Compensation 7 EN Enable Input EN is a digital input that turns the regulator on or off Drive EN high to turn on the regulator and low to turn it off For automatic startu...

Page 65: ... for the external MCU mode MCLKI CMOS 3 I Master clock input An input that can be used as the master clock for the codec port interface or the source for MCLKO2 MCLKO1 CMOS 39 O Master clock output 1 The output of the ACG that can be used as the master clock for the codec port interface and the codec MCLKO2 CMOS 40 O Masterclock output 2 An output that can be used as the master clock for the codec...

Page 66: ... Make sure volume control is turned up on your input source instrument Connect your input source instrument to the audio engine using a different cable Plug your input source instrument directly into the L1TM power stand or a different amplifier to make sure the source is working Turn the audio engine off and wait 30 seconds Then turn the unit on again If using the T1 with an L1 model II system Tu...

Page 67: ...ol knobs Turn off the audio engine Wait 30 seconds and turn the unit on again Master volume control has no effect Verify that the Master output is configured for Post Master Volume operation in the Prefs menu under Master Out With nothing plugged into the T1 input connectors a slight hum or buzz is heard from the L1 system Plug the T1 and the L1 power stand into the same AC mains outlet Using an A...

Page 68: ... Aux input on page 26 of the owner s guide Note No reverb comes from the Aux output even if the tap point is Pre or Post Verify that each input assigns the desired signal level to the Aux output Unable to send T1 audio to a computer through a USB connection Check that the USB cable is properly connected to the audio engine and computer Try a different USB cable Make sure the audio engine is turned...

Page 69: ...een LED is on indicating that there is a strong input signal Check the Input and Output level meters under the Prefs menu to confirm that there is a signal at both the input and output stages Verify that your computer USB output is working by connecting another USB compatible audio device If you are using recording software on a computer check the software requirements You may need to configure th...

Page 70: ...SPECIFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE Bose Corporation The Mountain Framingham Massachusetts USA 01701 P N 296137 SM Rev 01 5 2010 P http serviceops bose com ...

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