Bose SA1 free download

File name SA 1 Service Manual.pdf

CONTENTS Safety Information ...2 Electrostatic Discharge Sensitive (ESDS) Device Handling ...2 Warranty ...2 Specifications ... 3-4 Theory of Operation ... 4-6 Figure 1. Lifestyle® SA-1 Amplifier Block Diagram ...7 Disassembly/Assembly Procedures ...8 Test Procedures ... 9-14 Figure 2. Test Setup Diagram ... 10 Figure 3. Later Unit Test Setup Diagram ... 14 Figure 4. J3 DIN Connector Pinout Diagram ... 14 Part List Notes ... 14 Main Part List, Lifestyle® SA-1 Amplifier (see Figure 5) ... 15 Figure 5. Lifestyle® SA-1 Amplifier Exploded View ... 15 Electrical Part List ... 16-20 Figure 6. Lifestyle® SA-1 Amplifier Rear Panel Views ... 20 Packaging Part List, Lifestyle® SA-1 Amplifier (see Figure 7) ... 21 Figure 7. Lifestyle® SA-1 Amplifier Packaging View ... 21 Integrated Circuit Diagrams ... 22-24 Figure 8. Lifestyle® SA-1 Amplifier PCB Rev. 0 and 01 Topside Component and Etch Diagram... 25 Figure 9. Lifestyle® SA-1 Amplifier PCB Rev. 0 SMD Etch and Component Layout Diagram ... 26 Figure 10. Lifestyle® SA-1 Amplifier PCB Rev. 1 SMD Etch and Component Layout Diagram ... 27 CAUTION: The Bose® Lifestyle® SA-1 amplifier contains no user-serviceable parts. To prevent warranty infractions, refer servicing to warranty se

File name SA1 Schematics.pdf

4 3 2 1 D TP104 TP106 D C105 .001 1 TP107 TP218 TP114 C103 FTP33 T6786 1 2 FTP24 .001 R103 4.99K 2 3 C109 R46 10.0K 2 TP112 R101 J1 2.49K R102 2.49K C100 TP219 .01 FTP25 C102 J2 4 3 2 FTP28 1 FTP26 22 1/2 U1 1 C212 .27 FILM C213 .27 FILM 1/2 U2 1 100pF C107 U5 10 17 L1 18 L2 20 L3 14 R1 13 R2 11 R3 +8V 16 VCC 15 CREF 7 AGND 3 CSM 1 RECOUT_L 2 OUT_L 19 LOUD_L 10 RECOUT_R 9 OUT_R 12 LOUD_R 8 ADDR 4 SDA 5 SCL 6 DGND 2 TP215 TP221 TP220 R117 49.9K R100 4.99K TP105 3 + NJM2082 + NJM2082 C108 TP115 10 R116 3.83K 2 3 U6 + R45 20.0K 1/4 1 TL074 L_AMP_IN R105 4.99K C104 .001 1 R109 N.U. SEE NOTE 13 R112 DATA CLK R111 2.49K 12.1K TP116 FTP27 FTP30 4 4 1 1 TP113 C111 .33 FILM 10 + - TL074 R110 C FTP32 1 FTP31 N.U. SEE NOTE 13 TP205 TP207 1 TP222 R113 10.0K 9 1/4 U6 8 TDA7309D R211 2.49K 1 C110 .33 FILM C R115 TP117 J3 7 8 5 2 4 1 6 3 TP204 C205 C203 .001 1 .001 TP216 TP212 R210 N.U. SEE NOTE 13 C13 100 R114 10.0K 22.1K R203 4.99K R209 N.U. SEE NOTE 13 1 R201 2.49K FTP36 4 T6786 R202 2.49K 6 5 R43 10.0K 6 C14 10 C209 TP214 100pF TP223 1/2 U1 7 C210 .27 FILM C211 .27 FILM + U2 1/2 7 C207 10 TP213 R217 R23 3.83K 49.9K 5 NJM2082 + NJM2082 C208 10 R216 3.83K 13 12 U6 + 1/4 14 TL074 R_AMP_IN J1 3 4 C202 22 R204 4.99K TP206 R44 20.0K +5V R24 49.9K FTP35 4 1 R205 4.99K C204 .001 1 STBY R42 10K +5V 1 U8 LM393 1 1 1 D11 R48 100K 1/2 2 B 4 FTP29 C200 .01 +5V R21 2.00K 2 TP24 TP19 2 C185 2 100K R31 + R26 2 24.9K 3 RT2 10K TP9 C35 330pF C36 330pF TP3 .033 R49 100K 2 R27 +34V 100K FTP60 1 FTP57 C21 TP226 .1 TP14 TP22 R39 1.0K 1 DATA TP20 BAV99L TP25 4 MUTE CLK R47 127K R20 10.0K 5 R39 1.0K 6 1 2 3 4 U7 R39 1.0K Q7 R33 200 TP10 2SC2812 TP228 3 8 7 6 5 R32 432 TP1 U8 LM393 7 R19 47K C20 .001 2 + 1/2 5 8 R39 1.0K 7 TP23 TP18 PIC12C509 TP27 C26 .015 -8V 6 -8V 2 R30 332 TP227 +34V U1 +8V U5 R35 C22 .01 4 2 20K R40 10.0K C31 .033 C32 .033 RT1 TP21 5 6 FTP42 + 1/4 U6 7 TL074 D6 BAV99L D9 N.U. TP16 N.U. 1 TP28 R25 258007 C33 .033 -8V C34 .033 R A +8V 2.49K - Q2 N.U. TP29 D10 Q5 R37 2.00K TP30 Q1 N.U. FRAMINGHAM, MA 01701-9168 A BAV99L R41 2.00K 2 TP229 C15 1.0 TP17 R28 N.U. R29 N.U. 2 2 Lifestyle Stereo Amplifier PCB P/N: 197341 Rev. 00 Sheet 1 of 2 Service Manual P/N: 257437 Rev. 00 R 4 3 2 1 4 3 2 1 D C176 1 10 TP102 1.00K 49.9K 12 2 3 4 9 10 11 7 +34V C180 R176 .1 14.7K 1 D C276 1 10 TP202 R276 14.7K R277 1.00K R279 49.9K FTP44 FTP46 FTP37 R177 R179 +34V FTP49 FTP45 FTP39 RIGHT_OUT 1 3 C278 .001 LEFT_OUT 2 2 3 4 9 10 11 12 7 13 14 NC3 +VS +PWVS INOUT IN+ IN+MUTE U14 STBY TDA7294 6 BTSTRAP MUTE 5 NC1 NC2 STBYGND -VS -PWVS 1 1 1 1 8 15 C178 .001 13 C175 L_AMP_IN .15 FILM R175 2.49K C177 .001 1 1 R178 49.9K 1 14 NC3 +VS +PWVS INOUT IN+ IN+MUTE U13 STBY TDA7294 6 BTSTRAP MUTE 5 NC1 NC2 STBYGND -VS -PWVS 1 1 8 15 C181 22 C183 .01 R151 4.75 TP103