Panasonic SA-AKX73P Service Manual Download

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9 Troubleshooting Guide---------------------------------------- 24

9.1. Part Location ---------------------------------------------- 24
9.2. Troubleshooting Guide for F61 and/or F76 -------- 28
9.3. D-Amp IC Operation & Control ----------------------- 29

10 Service Fixture & Tools --------------------------------------- 31

11 Disassembly and Assembly Instructions --------------- 32

11.1. Disassembly Flow Chart-------------------------------- 33
11.2. Main Components and P.C.B. Locations ----------- 34
11.3. Disassembly of Top Cabinet--------------------------- 35
11.4. Disassembly of Front Panel Unit --------------------- 36
11.5. Disassembly of Mic P.C.B. ----------------------------- 37
11.6. Disassembly of Panel P.C.B. -------------------------- 38
11.7. Disassembly of Memory LED P.C.B. ---------------- 39
11.8. Disassembly of Remote Sensor P.C.B.------------- 39
11.9. Disassembly of USB P.C.B. --------------------------- 40

11.10. Disassembly of Music Port P.C.B. ------------------- 40

11.11. Disassembly of Top Bar LED P.C.B.----------------- 41

11.12. Disassembly of Bottom Bar LED P.C.B. ------------ 42
11.13. Disassembly of Main P.C.B. --------------------------- 42
11.14. Replacement of Voltage Regulator IC

(IC2010) ---------------------------------------------------- 44

11.15. Replacement of Voltage Regulator IC

(IC2011) ---------------------------------------------------- 46

11.16. Replacement of Audio Digital Amp IC

(IC5800) ---------------------------------------------------- 47

11.17. Replacement of Audio Digital Amp IC

(IC5700) ---------------------------------------------------- 48

11.18. Disassembly of D-Amp P.C.B. ------------------------ 50
11.19. Replacement of Audio Digital Amp IC

(IC5900) ---------------------------------------------------- 51

11.20. Disassembly of SMPS P.C.B. ------------------------- 53
11.21. Replacement of Switching Regulator IC

(IC5701) ---------------------------------------------------- 53

11.22. Replacement of Rectifier Diode (D5702)----------- 54
11.23. Replacement of Rectifier Diode (D5801)----------- 56
11.24. Replacement of Rectifier Diode (D5802)----------- 57
11.25. Replacement of Regulator Diode (D5803)--------- 59
11.26. Disassembly of CD Mechanism Unit

(BRS11C) -------------------------------------------------- 60

11.27. Disassembly of CD Interface P.C.B.----------------- 62
11.28. Disassembly of CD Servo P.C.B.--------------------- 62
11.29. Disassembly of Rear Panel---------------------------- 63

12 Service Position ------------------------------------------------- 65

12.1. Checking and Repairing of Main P.C.B. ------------ 65
12.2. Checking and Repairing of D-Amp P.C.B. --------- 65
12.3. Checking and Repairing of Panel P.C.B. ----------- 66
12.4. Checking and Repairing of SMPS P.C.B. ---------- 66
12.5. Checking and Repairing of CD Servo P.C.B.

(Side A) ----------------------------------------------------- 68

12.6. Checking and Repairing of CD Servo P.C.B.

(Side B) ----------------------------------------------------- 69

13 Simplified Block Diagram ------------------------------------ 71

13.1. Power Block Diagram ----------------------------------- 71

14 Block Diagram --------------------------------------------------- 72

14.1. Servo & System Control -------------------------------- 72
14.2. IC Terminal Chart----------------------------------------- 74
14.3. Audio -------------------------------------------------------- 75
14.4. Power Supply --------------------------------------------- 77

15 Wiring Connection Diagram --------------------------------- 79
16 Schematic Diagram--------------------------------------------- 81

16.1. Schematic Diagram Notes ----------------------------- 81

16.2. CD Servo Circuit ----------------------------------------- 83
16.3. Main(Micon) Circuit-------------------------------------- 86
16.4. Main(D-Amp) Circuit ------------------------------------ 96
16.5. Panel Circuit ---------------------------------------------- 98
16.6. Remote Sensor, USB, Music Port , Memory

LED, Top Bar LED and Bottom Bar LED
Circuit ------------------------------------------------------ 100

16.7. CD Interface and Mic Circuit ------------------------- 101
16.8. D-Amp Circuit-------------------------------------------- 102
16.9. SMPS Circuit--------------------------------------------- 103

17 Printed Circuit Board----------------------------------------- 105

17.1. CD Servo P.C.B. ---------------------------------------- 105
17.2. Main P.C.B.----------------------------------------------- 106
17.3. Panel, Remote Sensor, USB and Music Port

P.C.B. ------------------------------------------------------ 108

17.4. Memory LED, CD Interface, Top Bar LED,

Bottom Bar LED and Mic P.C.B. -------------------- 109

17.5. SMPS and D-Amp P.C.B.----------------------------- 110

18 Appendix Information of Schematic Diagram ------- 111

18.1. Voltage & Waveform Chart --------------------------- 111
18.2. Illustration of ICs, Transistor and Diode----------- 119
18.3. Terminal Function of ICs ------------------------------ 120

19 Exploded View and Replacement Parts List---------- 121

19.1. Exploded View and Mechanical replacement

Part List --------------------------------------------------- 121

19.2. Electrical Replacement Part List -------------------- 127