SoundDock®
Digital Music System with original Firewire charging
2004-2008
This Service Manual applies to original SoundDock systems built before 8/8/08, DOM 8221. For SoundDock systems built after 8/8/08, use the new SoundDock manual with “USB iPod Charging” part number 277378-SM_USB. To determine the SoundDock version, use the date of manufacture (DOM) encoded within the serial number located on the product label
Serial Number example - 040250973420105AE
Characters 8 to 11 identifiy the DOM - 7342 7342 = the 342nd day of 2007
Both products share the same name and most of the same mechanical assemblies. However, the electronics are not interchangeable.
©2008 Bose Corporation |
Service Manual |
Reference Number 277378-SM Rev. 12
Electronic Copy Only
CONTENTS |
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Safety Information ............................................................................................................................. |
3 |
Specifications.................................................................................................................................... |
4 |
Product Description ......................................................................................................................... |
5 |
Part List Notes .................................................................................................................................. |
6 |
Electrostatic Discharge Sensitive (ESDS) Device Handling ....................................................... |
6 |
Warranty ............................................................................................................................................. |
6 |
USB Update Procedure ................................................................................................................... |
7 |
New iPod Charging Circuit .............................................................................................................. |
8 |
Packaging Part List ........................................................................................................................... |
9 |
Figure 1. Packaging Part List ............................................................................................................ |
9 |
MAIN PART LIST, SoundDock® Speaker Assembly...................................................................... |
10 |
Figure 2. Speaker Assembly ............................................................................................................ |
10 |
MAIN PART LIST, Welded Enclosure Assembly ........................................................................... |
11 |
Figure 3. Welded Enclosure Assembly ........................................................................................... |
11 |
MAIN PART LIST, Docking Cradle Assembly ............................................................................... |
12 |
Figure 4. Docking Cradle Assembly ................................................................................................ |
12 |
Electrical Part Lists .................................................................................................................. |
13-19 |
Disassembly Procedures ......................................................................................................... |
20-23 |
Test Procedures ............................................................................................................................. |
24 |
Revision History ............................................................................................................................. |
25 |
2
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) UL6500 / UL60065 / IEC 60065 paragraph 9.1.1. With the unit powered on, measure from a known earth ground (metal water pipe, conduit, etc.) to all exposed metal parts of the unit (antennas, handle bracket, metal cabinet, screw heads, 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
APOTENTIAL 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 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 customer.
CAUTION: The Bose® SoundDock® Digital Music System 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 BOSE SERVICE CENTER OR OWNER OF
THE BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR
USED FOR ANY OTHER PURPOSE.
3
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SPECIFICATIONS |
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Electrical |
Power Supply Input: |
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Voltage: |
100VAC to 240VAC (universal), 50-60Hz |
Current Consumption: |
1 A (rms) max for 115VAC |
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.5 A (rms) max for 230VAC |
Power Supply Output: |
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Voltage: |
20V +/- 1V |
Current: |
2A (max) |
SoundDock® Input: |
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Voltage: |
±18VDC-10%, +15% |
Current Consumption: |
1A (max) |
Power Consumption: |
36W (max, continuous) |
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Acoustic |
Drivers: |
2 - 2.25” Full Range Twiddler™ speakers |
Nominal Impedance: |
3.6 Ohms |
Port Tuning: |
80 HZ |
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Physical Description |
Mechanical Specifications: |
6.65”H x 11.91”W x 6.48”D (16.89 cm x 30.26 cm x 16.47 cm) |
Weight: |
4.56 lb (2.1 kg) |
Enclosure: |
Ultrasonically welded PC/ABS plastic |
4
PRODUCT DESCRIPTION
SoundDock® is a powered acoustic package for current and future versions of Apple’s iPod portable MP3 player. It takes the design form of a “picture frame” - a rectangular speaker package that allows the iPod to dock into the middle. SoundDock with docked iPod is an elegant, highly functional, and great-sounding system for use in the living room, kitchen, or bedroom. Bose® developed and manufactured the product with input from Apple. Apple and Bose will advertise and sell the product.
There are 4 adapters shipped with the product.
1.
2. 
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1 |
Kit, Inserts, iPod, 2pcs, WHT |
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285755-002 |
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Kit, Inserts, iPod, 2pcs, BLK |
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285755-012 |
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Insert, iPod, Nano, 1pcs, WHT |
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292498-001 |
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Insert, iPod, Nano, 1pcs, BLK |
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292498-002 |
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*Universal Insert, iPod, Adapter, 1pcs, WHT |
042246 |
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*Universal Insert, iPod, Adapter, 1pcs, BLK |
042399 |
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*The universal insert (Item number 3 above) allows an Apple Dock adapter to work with the SoundDock. Some of the new iPods players will require the following set up:
1
2
1
Apple Dock adapter (included with with an iPod)
2
Universal insert for use with Apple Dock adapters
5
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.
WARRANTY
The Bose® SoundDock® Digital Music System is covered by a limited 1-year transferable warranty.
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.
6
USB UPDATE PROCEDURE
The SoundDock Digital Music System changed the way it charges the iPod in October of 2008. The system now charges via the USB charge pins on the iPod.
This change was based on information received from Apple describing a change to the iPod charge circuit. iPods manufactured before 8/08 have the ability to charge via Firewire and USB, some new iPods introduced in November of 2008 will not support the Firewire charge circuit.
It is possible to upgrade SoundDock systems built before 8/08 from Firewire to USB charging by replacing the Dock and DSP boards with the upgraded versions. Use this procedure to upgrade older systems to USB charging.
Equipment Required
a.DSP board / Cradle Assy - Black - 279103-008 White - 279103-010
b.Phillips-head screw driver
c.Bose Logo
Black - 277381-002
White - 277381-001
1. Original Dock Removal
1.1 Remove the four Phillips-head screws securing the bottom cradle cover.
1.2 Remove cable connected to J300.
2. Grille and Amplifier board Removal
2.1 Remove the grille by pushing upward as shown above.
2.2 Remove the four Phillips-head screws securing the amp board to the acoustic enclosure.
3. Install the DSP/Cradle Upgrade Assembly
3.2Connect the flex cable to J300 on the new upgrade assembly and install the cradle along with the amplifier board.
3.3Install Bose logo on the front of the cradle.
3.4Fully test with iPod to confirm correct operation.
7
NEW IPOD CHARGING CIRCUIT
The original SoundDock® Digital Music System charges the iPod with the Firewire connection pins on the dock assembly. Pin 11 of the Dock connector is used to charge the iPod Battery and pin 13 is used to detect the iPod is placed on the cradle.
BatteryCharge |
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J202 |
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277316-001 |
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Pin 11 |
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Always Present |
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2004-2008 |
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Original |
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Dock Board |
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GND |
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MTH |
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MTH |
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8 |
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TP212 |
ACC-IDENT |
24 |
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iPod Detect, |
TP213 |
+VIPOD |
23 |
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11 |
TP215 |
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Pin 13 |
12 |
TP217 |
ACC-PWR |
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Goes High |
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15 |
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TP220 |
DGND |
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18 |
16 |
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IPOD DOCK |
17 |
TP222 |
TXD1 |
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TP223 |
RXD1 |
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TP224 |
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ACC-DETECT |
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TP233 |
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TP232 |
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TP225 |
LINE-OUT-L |
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TP226 |
LINE-OUT-R |
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TP227 |
AUDIO-REF |
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TP228 |
DGND |
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30 |
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MTG |
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B2 |
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B3 |
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MTG |
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MTG |
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GND |
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J201 |
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33 |
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MTG |
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255130-024 |
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MTG |
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MTG |
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S200 |
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S201 |
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TP230 |
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TL3301E |
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TL3301E |
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TP231 |
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DGND |
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GND |
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CABLE TO DSP
The SoundDock Digital Music System with USB iPod Charging is the new version and charges the iPod via the USB pins. Pin 8 is used to charge the iPod battery and pins 20 and 30 are used to detect the iPod is placed on the cradle.
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277316-002 |
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J202 |
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1 |
TP235 |
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2 |
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TP236 |
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R3 |
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BatteryCharge |
4 |
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2008 New |
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3 |
TP237 |
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49.9K |
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Pin 8 |
5 |
TP238 |
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Dock Board |
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TP239 |
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R4 |
DGND |
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TP240 |
R1 |
R2 |
49.9K |
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MTH |
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TP241 |
43.2K |
75.0K |
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26 |
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8 |
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MTH |
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TP242 |
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25 |
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TP212 |
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GND |
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24 |
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10 |
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23 |
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TP213 |
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ACC-IDENT |
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+VIPOD |
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11 |
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22 |
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TP215 |
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IPOD DOCK |
12 |
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21 |
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TP217 |
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+5_USB |
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13 |
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20 |
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TP243 |
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14 |
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19 |
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TP244 |
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15 |
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18 |
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DGND |
TP220 |
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ACC-DETECT |
16 |
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17 |
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TP245 |
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DGND |
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17 |
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TP255 |
TP222 |
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TXD1 |
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16 |
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Pin 20 |
18 |
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15 |
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TP223 |
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RXD1 |
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19 |
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14 |
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Goes High |
20 |
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TP224 |
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ACC-DETECT |
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13 |
CABLE TO DSP |
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21 |
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TP246 |
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R5 |
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12 |
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22 |
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TP247 |
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100K |
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TP233 |
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11 |
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23 |
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TP248 |
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B2 |
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10 |
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DGND |
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TP232 |
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24 |
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TP249 |
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TP252 |
9 |
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S200 |
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TP250 |
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iPOD DET |
25 |
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PT307693-002 |
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TP253 |
8 |
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TP251 |
TP225 |
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LINE-OUT-L |
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B3 |
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26 |
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7 |
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Pin 30 |
27 |
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TP226 |
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LINE-OUT-R |
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+5_USB |
6 |
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28 |
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S201 |
5 |
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Goes Low |
29 |
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TP227 |
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TP254 |
AUDIO-REF |
PT307693-002 |
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4 |
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TP228 |
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iPOD_DET |
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30 |
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DGND |
DGND |
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3 |
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MTG |
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2 |
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31 |
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MTG |
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1 |
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32 |
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MTG |
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GND |
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J201 |
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33 |
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MTG |
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255130-024 |
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34 |
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MTG |
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35 |
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MTG |
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|
|
|
|
36 |
|
|
|
|
|
|
|
|
|
|
|
|
MTG |
|
|
|
|
|
|
|
|
|
|
|
|
37 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TP230 |
|
|
|
|
|
|
|
|
|
|
|
|
TP231 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 |
|
|
|
|
|
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