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Bose SoundTouch 20 Series III Service Manual

Bose SoundTouch 20 Series III
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2
PRODUCT DESCRIPTION ...................................................................................... ............................. 3
ELECTROSTATIC DISCHARGE SENSITIVE (ESDS) DEVICE HANDLING ...... ............................. 4
WARRANTY ............................................................................................................. ............................. 4
PART LIST NOTES .................................................................................................. ............................. 4
PACKAGING LIST.................................................................................................... ............................. 5
FIGURE 1. PACKAGING VIEW ............................................................................... ............................. 6
MAIN ASSEMBLY PART LIST .................................................................................. ............................. 7
FIGURE 2. MAIN ASSEMBLY .................................................................................. ............................. 8
AMP PCB PART LIST .............................................................................................. ........................ 9-15
I/O PCB PART LIST ................................................................................................. ...................... 16-19
WI-FI MODULE PCB PART LIST ............................................................................. ...................... 20-28
DISASSEMBLY PROCEDURE ................................................................................ ...................... 29-32
FIGURE 3. BOTTOM COVER ................................................................................. ........................... 29
FIGURE 4. I/O PCB ................................................................................................. ........................... 29
FIGURE 5. I/O PCB - CABLES ................................................................................ ........................... 29
FIGURE 6. SIDE PANEL .......................................................................................... ........................... 29
FIGURE 7. GRILL AND TOP COVER REMOVAL, BOTTOM SCREWS ................. ........................... 30
FIGURE 8. GRILL AND TOP COVER REMOVAL, SIDE SCREWS. ....................... ........................... 30
FIGURE 9. GRILL AND TOP COVER REMOVAL .................................................... ........................... 30
FIGURE 10. BUTTON AND DISPLAY PCB FFC ..................................................... ........................... 30
FIGURE 11. BUTTON PCB REMOVAL.................................................................... ........................... 31
FIGURE 12. DISPLAY ASSEMBLY REMOVAL ........................................................ ........................... 31
FIGURE 13. WI-FI MODULE REMOVAL ................................................................. ........................... 31
FIGURE 14. WI-FI MODULE, CABLES ................................................................... ........................... 31
FIGURE 15. BAFFLE REMOVAL ............................................................................. ........................... 32
FIGURE 16. BAFFLE LIFTED .................................................................................. ........................... 32
FIGURE 17. AMP/POWER SUPPLY SHIELD.......................................................... ........................... 32
FIGURE 18. AMP/POWER SUPPLY PCB ............................................................... ........................... 32
ASSEMBLY KEY POINTS ........................................................................................ ...................... 33-35
FIGURE 19. DRIVER HARNESS DRESSING ......................................................... ........................... 33
FIGURE 20. DRIVER LOWER INNER SCREWS LOCATION ................................. ........................... 33
FIGURE 21. FFC DRESSING .................................................................................. ........................... 33
FIGURE 22. BUTTON PAD ...................................................................................... ........................... 33
FIGURE 23. TOP CAP ............................................................................................. ........................... 34
FIGURE 24. FFC CONNECTION ............................................................................ ........................... 34
FIGURE 25. GRILLE, SIDE SCREWS ..................................................................... ........................... 34
FIGURE 26. GRILLE, BOTTOM SCREWS .............................................................. ........................... 34
FIGURE 27. REMAN SOUNDTOUCH
®
20 TOP CAP AND GRILLE ALIGNMENT FIXTURE. ...... 35
AUDIO TEST PROCEDURES ................................................................................. ........................... 36
FUNCTIONAL TEST PROCEDURES ...................................................................... ........................... 37
TAP COMMAND SETUP .......................................................................................... ...................... 38-39
WI-FI TEST PROCEDURE ...................................................................................... ........................... 40
HI-POT TEST ........................................................................................................... ........................... 41
WI-FI PCB REPLACEMENT SETTINGS ................................................................. ........................... 42
TAP COMMANDS .................................................................................................... ...................... 43-44
BACK DOOR KEY PRESSES ................................................................................. ........................... 45
SERVICE MANUAL REVISION HISTORY ............................................................... ........................... 46
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Bose SoundTouch 20 Series III Specifications

General IconGeneral
Control typeButtons
CertificationCE, WEEE
Volume controlDigital
Supported radio bands-
Built-in storage mediaNo
Audio formats supportedAAC, FLAC, MP3, RA-Lossless, WMA
Smartphone remote supportYes
Internet radio services supportedDeezer, Pandora, SIRIUS Internet Radio, Spotify, TuneIn, iHeartRadio, iTunes
Mobile operating systems supportedAndroid, Windows Mobile, iOS
Network streaming services supportedPandora
AC input voltage220 - 240 V
AC input frequency50 - 60 Hz
Power consumption (typical)90 W
Wi-Fi standards802.11g, 802.11b, Wi-Fi 4 (802.11n)
Headphone connectivity3.5 mm
Apple docking compatibilityNot supported
Display typeOLED
Product colorWhite
Number of drivers2
Audio output channels2.0 channels
Cables includedAC, USB
Weight and Dimensions IconWeight and Dimensions
Depth104 mm
Width314 mm
Height188 mm
Weight3180 g

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