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PSG0909010SE




CD Stereo System
Model No. SA-AK180PN
SA-AK180PU
SA-AK280EB
SA-AK280EG
SA-AK280EP
SA-AK280EE
SA-AK280GN
SA-AK280PH
SA-AK280PN
SA-AK280PR
Product Color: (K)...Black Type
Subject : Block Diagram / Schematic Diagram / Printed Circuit Board / Replace-
ment Parts List (Updates)
Please file and use this supplement manual together with the service manual for
Model No. SA-AK180PN/PU-K Order No. PSG0905023CE
Model No. SA-AK280EB/EG/EP-K Order No. PSG0903007CE
Model No. SA-AK280EE-K Order No. PSG0904014CE
Model No. SA-AK280GN-K Order No. PSG0904010CE
Model No. SA-AK280PH/PN-K Order No. PSG0902011CE
Model No. SA-AK280PR-K Order No. PSG0904001CE




TABLE OF CONTENTS
PAGE PAGE
1 Notes ----------------------------------------------------------------- 3 2.3. D-AMP for (SA-AK280GN) ------------------------------6
2 Block Diagram----------------------------------------------------- 4 2.4. D-AMP for (SA-AK280PH/PN) -------------------------7
2.1. D-AMP for (SA-AK280EB/EG/EP) -------------------- 4 2.5. D-AMP for (SA-AK280PR) ------------------------------8
2.2. D-AMP for (SA-AK280EE) ------------------------------ 5 3 Schematic Diagram ----------------------------------------------9
3.1. D-AMP Circuit for (SA-AK180PN/PU) ----------------9
3.2. D-AMP Circuit for (SA-AK280EB/EG/EP) --------- 10
3.3. SMPS Circuit for (SA-AK280EB/EG/EP) ---------- 11
3.4. D-AMP Circuit for (SA-AK280EE) ------------------- 12
3.5. SMPS Circuit for (SA-AK280EE) -------------------- 13
3.6. D-AMP Circuit for (SA-AK280GN) ------------------ 14
3.7. SMPS Circuit for (SA-AK280GN) ------------------- 15
3.8. D-AMP Circuit for (SA-AK280PH/PN) -------------- 16
3.9. D-AMP Circuit for (SA-AK280PR) ------------------- 17
4 Printed Circuit Board ------------------------------------------ 18
4.1. D-Amp P.C.B. for (SA-AK180PN/PU) -------------- 18
4.2. D-Amp P.C.B. for (SA-AK280EB/EG/EP) --------- 19
4.3. D-Amp P.C.B. for (SA-AK280EE) ------------------- 20
4.4. D-Amp P.C.B. for (SA-AK280GN) ------------------- 21
4.5. D-Amp P.C.B. for (SA-AK280PH/PN) -------------- 22
4.6. D-Amp P.C.B. for (SA-AK280PR) ------------------- 23
5 Replacement Parts List --------------------------------------- 24
5.1. Electrical Replacement Parts List -------------------- 24




2
1 Notes
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