Bose-1800VI-pwr-tg维修电路原理图.pdf
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Bose-1800VI-pwr-tg维修电路原理图.pdf
2000 Bose CorporationPart Number 199747-TG1 Rev. 001800 SERIES ?/?AMPLIFIERS? !?#?$%?&?&?#?&?#$?%?(?&?#?#?#?)?$?*?&?&$?%?&?&?#?&?$?#?#?$?+?&?&?&?$?,?&?&?-+?.+%?$?%?&?&?$?+?&?#?/?$?%?&?#?$?0?#?&?&?#?$? !?#$?1?2?+? !?/3?/?/?$?/?/?2?+?/3?2?+?#?$?+?#?&?&?$-?#?$?*?&?&?&?#?1!?$?4?&?5?6?$?0?&?7?1!?#?&?1!?#?$*?&?#?&?6?-?6?$?+?&?#?#?!?1?8?$?%?&?$?%?&?&?&?1!?&?&?$? ?1!?6?$?1?#?1!?9?)?1!?$?2?6?&?61!$?4?61!?:?6?;?#?-!?&?#?&?$?5?&?#?#?$?0?#?#?$?2?61!?#?#?&?1!?6?61!?-!?$?2?#?&?6?61!?&?1!?$TROUBLESHOOTING GUIDERadioFans.CN 收音机爱 好者资料库?2?#?1!?(?$?%?1!?6?$?5?+?#?$?!?/?&?#$?,?3?$? ?&?61!?-!?$?1?#?#?&$?2?&?#?-!?#?#?&?(?$?1!?&?$?2?+?/3?/?/?$? ?&?61!?&?$?2?#?#?1!?61!?$?2?&?1!?61!?$?0?#?#?&$?4?#?1!?8?$?=?#?)?$?&?)?&?#?&?$?#?#?$%?$? ?!?#?#? ?AC Mains Voltage2SA1302 PNP Transistors2SA3281 NPN Transistors40 VACB 0.5 VC 18.8 VE 12.5 mVB + 0.5 VC + 18.5 VE +12.0 mV60 VACB 0.52 VC 29.8 VE 12.2 mVB + .51 VC + 29.8 VE + 12.0 mV120 VACB 0.58 VC 53.0 VE 12.2 mVB + 0.56 VC + 53.0 VE + 12.0 mVACmainsQ9Q14Q20Q25D13D19Q2Q340VACG + 22.0D + 40.0S + 21.9G 40.0D 19.3S 40.1G + 22.4D + 41.2S + 22.1G 41.0D 19.8S 41.01 + 22.42 + 19.23 + 22.01 - 22.02 - 20.13 - 22.0B + 15.7C + 20.1E + 15.2B 15.7C 20.0E 15.160VACG + 31.9D + 60.6S + 30.0G 61.6D 30.1S 61.0G + 31.8D + 60.5S + 31.2G 61.6D 30.0S 61.51 + 30.72 + 30.23 + 30.11 - 30.02 - 30.33 - 30.0B + 15.8C + 30.3E + 15.3B 15.8C 30.4E 15.2120VACG + 56.3D + 106.9S + 56.4G 106.4D 52.2S 106.3G + 56.4D + 107.0S + 56.4G 106.4D 52.2S 106.41 + 56.32 + 52.73 + 56.31 - 52.12 - 52.43 - 52.1B + 16.1C + 52.6E + 15.6B 16.1C 52.3E 15.5RadioFans.CN 收音机爱 好者资料库
