bose_1801_power_amplifier维修电器原理图

IEBetter sound through researchoSUPPLEMENTBose®Model1801/1800Power AmplifierQ4,part number 102428 and Q5,part number 102429 are no longer available with the lead lengthneeded for soldering to the PCB.Use the part numbers listed below when ordering these transis-tors.Make a note in your Model 1801/1800 power amplifier service manual,part number 192527.ReferenceDescriptionPartNoteDesignatorNumberQ4SM,2N2219102428-1KQ5SIM,2N5415102429-1KNOTE:The part numbers listed are kits.They include the following parts:1.Q4 kit:1 102428 transistor3 264371 extension pins1 192527-S1 supplement.2.Q5 kit:1 102429 transistor3 264371 extension pins1192527-S1 supplement.2001 Bose CorporationSupplement10/2001Part Number 192527-S1