SA-PT475EE - Panasonic Audio Other Service Manuals (repair manual). Page 2

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2.2. Precaution of Laser Diode -------------------------------6
2.3. Service caution based on Legal restrictions---------7
2.4. Handling Precautions for Traverse Unit --------------8

3 Service Navigation---------------------------------------------- 10

3.1. Service Information -------------------------------------- 10
3.2. Notes: ------------------------------------------------------- 10

4 Specifications ---------------------------------------------------- 12
5 Location of Controls and Components------------------ 14

5.1. Remote Control Key Button Operations ------------ 14
5.2. Main Unit Key Button Operations -------------------- 15
5.3. Using the VIERA Link “HDAVI Control”------------- 16
5.4. Using the iPod -------------------------------------------- 18
5.5. USB Connection and Operations -------------------- 20
5.6. Speaker Connection ------------------------------------- 21
5.7. Disc Information ------------------------------------------ 22

6 Disassembly and Assembly Instructions --------------- 24

6.1. Disassembly Flow Chart-------------------------------- 25
6.2. Main Components and P.C.B. Locations ----------- 26
6.3. Disassembly of Top Cabinet--------------------------- 27
6.4. Disassembly of Rear Panel---------------------------- 27
6.5. Disassembly of DVD Mechanism Unit (DLS6)---- 27
6.6. Disassembly of Front Panel Assembly ------------- 28
6.7. Disassembly of Panel, Power Button P.C.B. ------ 29
6.8. Disassembly of Auto Setup Speaker P.C.B. ------- 30
6.9. Disassembly of Mic P.C.B. ----------------------------- 30

6.10. Disassembly of DVD Lid-------------------------------- 31

6.11. Disassembly of iPod P.C.B.---------------------------- 31

6.12. Disassembly of AC Inlet P.C.B. ----------------------- 32
6.13. Disassembly of Main P.C.B. --------------------------- 34
6.14. Disassembly of Co-processor P.C.B.---------------- 35
6.15. Disassembly of D-Amp P.C.B. ------------------------ 35
6.16. Replacement of Audio Digital Power Amp IC

(IC5000) ---------------------------------------------------- 36

6.17. Replacement of Audio Digital Power Amp IC

(IC5200) ---------------------------------------------------- 37

6.18. Replacement of Audio Digital Power Amp IC

(IC5300) ---------------------------------------------------- 39

6.19. Replacement of Audio Digital Power Amp IC

(IC5400) ---------------------------------------------------- 40

6.20. Disassembly of SMPS P.C.B. ------------------------- 41
6.21. Replacement of Switching Regulator IC

(IC2903) ---------------------------------------------------- 42

6.22. Replacement of Switching Regulator IC

(IC5701) ---------------------------------------------------- 43

6.23. Replacement of Rectifier Diode (D5702)----------- 44
6.24. Replacement of Regulator Diode (D5801)--------- 45
6.25. Replacement of Regulator Diode (D5802)--------- 46
6.26. Replacement of Regulator Diode (D5803)--------- 47
6.27. Disassembly of DVD Module P.C.B.----------------- 48
6.28. Assembling and Disassembling of Traverse

Unit----------------------------------------------------------- 49

7 Service Position ------------------------------------------------- 52

7.1. Checking & Servicing Main P.C.B. ------------------- 52
7.2. Checking & Servicing D-Amp  P.C.B. --------------- 52
7.3. Checking & Servicing SMPS & AC Inlet P.C.B. --- 55
7.4. Checking & Servicing DVD Module P.C.B. -------- 57

8 Illustration of ICs, Transistor and Diode ---------------- 60
9 Block Diagram --------------------------------------------------- 61

9.1. System Control ------------------------------------------- 61
9.2. DVD (SERVO) -------------------------------------------- 62
9.3. DVD (Audio) ----------------------------------------------- 63

9.4. DVD (HDMI)----------------------------------------------- 64
9.5. Video-------------------------------------------------------- 65
9.6. Audio-------------------------------------------------------- 66
9.7. Digital Audio Amp---------------------------------------- 67
9.8. Power ------------------------------------------------------- 68

10 Wiring Diagram-------------------------------------------------- 69

11 Schematic Diagram Notes ----------------------------------- 71

12 Schematic Diagram -------------------------------------------- 73

12.1. DVD Module Circuit ------------------------------------- 73
12.2. Main Circuit------------------------------------------------ 78
12.3. Panel Circuit ---------------------------------------------- 82
12.4. Auto Setup Speaker & Power Button Circuit------ 83
12.5. D-Amp Circuit--------------------------------------------- 84
12.6. SMPS Circuit---------------------------------------------- 86
12.7. AC Inlet & iPod Circuit---------------------------------- 88
12.8. Mic Circuit ------------------------------------------------- 89
12.9. Co-processor Circuit (For reference only) --------- 90

13 Printed Circuit Board------------------------------------------ 91

13.1. DVD Module P.C.B. ------------------------------------- 91
13.2. Main P.C.B.------------------------------------------------ 92
13.3. Panel, Auto Setup Speaker, Power Button &

Mic P.C.B.-------------------------------------------------- 93

13.4. D-Amp P.C.B. --------------------------------------------- 94
13.5. SMPS P.C.B.---------------------------------------------- 95
13.6. AC Inlet, iPod P.C.B & Co-processor P.C.B.

(For reference only) ------------------------------------- 96

14 Terminal Function of ICs ------------------------------------- 97

14.1. IC2001 (RFKWMPT470EB): IC MICRO

PROCESSOR -------------------------------------------- 97

14.2. IC6901(C0HBB0000057): IC FL Driver ------------ 97

15 Exploded View and Replacement Parts List----------- 99

15.1. Exploded View and Mechanical Replacement

Part List ---------------------------------------------------- 99

15.2. Electrical Replacement Part List -------------------- 103