Bose T1 ToneMatch Bedienungsanleitung

Service Manual

T1 ToneMatch®Audio Engine

US/Canada, European, UK and Australian Versions

Electronic Copy Only

Contents

Safety Information.............................................................................................................................3

Warranty.............................................................................................................................................3

Specifications....................................................................................................................................4

Product Description...................................................................................................................... 4-6

Electrostatic Discharge Sensitive (ESDS) Device Handling .........................................................7

Part List Notes...................................................................................................................................7

Accessories .......................................................................................................................................7

Packaging Part List, T1 ToneMatch®Audio Engine (see Figure 1)...............................................8

Figure 1. T1 ToneMatch Audio Engine Packaging View .....................................................................8

Main Part List, T1 ToneMatch Audio Engine (see Figure 2) ..........................................................9

Figure 2. T1 ToneMatchTM Audio Engine Exploded View ................................................................10

Electrical Part Lists....................................................................................................................11-39

Input/Output PCB Assembly .....................................................................................................11-14

Digital Signal Processor (DSP) PCB Assembly...................................................................... 15-39

Display PCB Assembly ...................................................................................................................39

Disassembly Procedures ......................................................................................................... 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 7. Input / Output PCB Top Component Layout and Etch .......................................................56

Figure 8. Input / Output PCB Bottom Component Layout and Etch .................................................56

Figure 9. -15V PCB Top Component Layout and Etch .....................................................................56

Figure 10. -15V PCB Bottom Component Layout and Etch..............................................................56

Figure 11. Display PCB Top Component Layout and Etch ...............................................................56

IC Diagrams ............................................................................................................................... 57-65

Troubleshooting ........................................................................................................................ 66-69

Service Manual Revision History...................................................................................................69

Safety Information

1. Parts that have special safety characteristics are identified by the symbol on schematics

or by special notes on the parts list. Use only replacement parts that have critical characteristics

recommended 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 / IEC 60056 paragraph 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 ex-

posed 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 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 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 prod-

ucts, 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 customer.

CAUTION: The Bose®T1 ToneMatch®Audio Engine 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

BYAN AUTHORIZED BOSE SERVICE CENTER OR OWNER OF

THE BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR

USED FOR ANY OTHER PURPOSE.

The Bose T1 ToneMatch Audio Engine is covered by a limited 2-year transferable warranty.

Warranty

Specifications

Mechanical

Dimensions: 8.22” L x 6.52” W x 2.66” H

208.9 x 165.5 x 67.6mm

Weight (unpackaged): 2.14 lb (0.97 kg)

Electrical

A/D and D/A Conversion: 24 bit

Sampling Rate: 48 kHz

USB: 1:1 protocol, Type A to Type B cable

PC Requirements: Microsoft Windows 2000, 2000 Pro, XP

The Bose®T1 ToneMatch®audio engine provides the ultimate control for performing musicians.

The T1 ToneMatch audio engine can be used with a Bose L1™ model II or model I system.

When used with the Bose L1 model II or model I system, the T1 allows you to control the sound

of your instrument as well as the output of the entire system. Using proprietary ToneMatch

presets and associated zEQ tonal adjustments, the T1 enables you to preserve the natural

sound of instruments or vocal microphones when amplified.

For convenient access, you can mount the T1 on a Cylindrical Radiator®loudspeaker or on a

microphone stand using the optional microphone stand bracket. When used with the L1 model II

system, the 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-quality, low-noise preamps in each channel, allowing the use of almost any instrument or

microphone

• LED display and illuminated controls for playing on dimly-lit stages

• ToneMatch presets, a proprietary technology that optimizes system equalization to preserve

the natural sound of specific instruments or microphones

• zEQ, working in conjunction with the ToneMatch technology, automatically adjusts the low,

mid, and high frequency bands for the selected preset, allowing further tonal shaping

• Built-in chromatic tuner

• Performance scenes that can be saved and recalled

• Two flexible analog outputs

• System updates and ToneMatch presets available at www.Bose.com/musicians

• USB audio interface to your computer

• Compatible with L1 model I and model II systems

Product Description

Front Panel Controls and Indicators

The control panel provides all the necessary controls and indicators for operation.

1. Input signal/clip LEDs (1-4/5) – Displays the input signal status in color: Green indicates the

presence of an input signal, yellow indicates a signal near clipping, and red indicates clipping.

2. Trim controls (1-4/5) – Adjusts the input sensitivity for the respective channel.

3. Phantom power switch – Applies +48V power to input channels 1-3. A red LED indicates

that phantom power is on.

4. T1 rotary selector –Allows access to 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 buttons (1-4/5) – Selects the channel you want to modify using the T1 rotary selec-

tor and display-related editing controls.

10. Editing controls – These three rotary/push-button controls allow you to select or adjust

items/values appearing on the display.

11. Display – Provides function menus and system status information.

The rear panel provides all input/output connections.

1. IN – Analog input channels 1-3. Accepts XLR balanced cables for microphones, or ¼” TRS

balanced or TS unbalanced cables for high-impedance inputs such as guitars.

2. Preamp OUT – Preamp outputs for channels 1-3. Accepts ¼” TRS balanced or TS unbal-

anced cables.

3. Line IN – Analog input channels 4/5. Accepts ¼” TRS balanced or TS unbalanced cables for

line-level inputs. Can be used for stereo input signals.

4. Aux Output – User-definable analog output. Can be configured for a pre-fader, post-EQ, and

effects, or postfader output. Accepts ¼” TRS balanced or TS unbalanced cables.

5. Master Output – User-definable analog output. Can be configured for a pre- or post-Master

volume analog output. Accepts ¼” 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 engine on or off.

8. ToneMatchTM port – A digital output used by the L1TM model II system. Also delivers power to

the T1 audio engine from the L1 model II power stand. Accepts the included ToneMatch cable.

CAUTION: Although the ToneMatch port accepts a standard RJ-45 connector, DO NOT connect

the T1 to a computer or phone network. Damage to the T1 could result.

Rear Connection Panel

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 PCBs are listed in the Electrical Part List.

3. 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.

4. This part is referenced for informational purposes only. It is not stocked as a repair part. Refer

to the next higher assembly for a replacement part.

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.

Accessories

Description Bose

Part Number Vendor Part Number

T1 ToneMatchTM Power Supply 042533 -

Ethercon Cable Assy 042536 svc-sien11+cable

Carry Bag Accessory 042534 svc-sien11+bag

Microphone Stand Bracket 042535 -

T1 ToneMatch audio engine

power supply

ToneMatch audio engine

microphone stand bracket

Packaging Part List

T1 ToneMatch®Audio Engine (see Figure 1)

1234

546

10 11 12

13 14

Figure 1. T1 ToneMatch Audio Engine Packaging View

Item

Number

Description Bose

Part

Number

Vendor Part Number Qty. Note

- CARTON KIT, CONSISTS OF

ITEMS 7, 8 AND 15 BELOW 312215 - 1

1 CD ROM - 1

2 OWNER’S MANUAL 303150 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

13 L2 MOUNTING ARM 298749 4135-7071+0 1

14 POLYBAG - 1497-7222+0 1 4

15 GIFT BOX (CARTON) 298754 1481-0701+1 1

Main Part List

T1 ToneMatch®Audio Engine (see Figure 2)

Item

Number Description Bose

Part

Number

endor Part

Number Qty. Note

1 PANEL, REAR, I/

298733 1406-3101+0 1

2 HOUSING, TOP 298730 1468-0401+1 1

3 HOUSING, BOTTOM 298731 1468-0501+1 1

- LID ASSY, CONSISTS OF ITEMS

4, 14, 24, 25, 26 AND28 BELOW 305293 SVC-SIEN11+LID 1

4 LID, PC+TPE 298746 1468-0701+1 1

5 LCD PCB ASSY 305296 SVC-SIEN11+LCDB 1

6 BOSE LOGO, ALUM 298742 2150-7221+0 1

7 KNOB, CHANNEL VOLUME 298737 2447-4401+1 4

8 KNOB, ROTARY 298739 2447-4501+1 3

9 BUTTON, PHANTOM PWR 298743 2447-4601+1 1

10 KNOB, TRIM 298741 2447-4801+1 4

11 KNOB, MASTER VOLUME 298738 2447-4901+1 2

12 SPRING, 4x10x0.35 - 2510-3971+0 2 4

13 WASHER, SPRING, M3x0.9x5.5 - 2607-3009+0553 6 4

14 WASHER, SPRING, M9x1x11, BZ 307727 2607-9010+1103 1

15 SCREW, MACH, PAN, M3x10 - 2900-3010+3000 6 4

16 SCREW, 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, REA

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 4155-2641+1 1

26 LID RELEASE 298747 4155-2651+0 1

27 PANEL, TOP, FX, PMM

298732 4155-2661+1 1

28 MOUNT, SWING ARM 301568 4155-2671+0 1

29 CARRIAGE, 50x100 298750 4155-2721+0 1

30 SCREW, RETENTION, 30x12 298751 4155-2731+0 1

31 SPACER, NYLON, 5x10 - 4155-2791+0 4 4

32 KEYPAD 1, FX MUTE, SILICON 298744 4157-1251+0 1

33 KEYPAD 2, FX MUTE, SILICON 298745 4157-1261+0 1

34 RUBBER FOOT, 9x18x2 331349-

001S 4157-1271+0 4 4

35 SWITCH, ROCKER, 2PIT - 5200-4910+0 1 4

36 CONN WIRE, 2P, P2.0, #28 - 7012-6919+0 1 4

37 WIRE-CONN, 4P, P2.5, #24 - 7012-9180+0 1 4

38 MODULE, LCD, HDG12864L-7 299212 8902-0020+0 1

39 MAIN PCB ASSEMBLY 298756 SVC-SIEN11+MAIN 1

Figure 2. T1 ToneMatch®Audio Engine Exploded View

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