SA-BTT790EE, SC-BTT790EEK - Panasonic Audio Service Manual (repair manual). Page 2

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6.1. Remote Control Key Button Operations ------------ 20
6.2. Main Unit Key Button Operations -------------------- 21

7 Installation Instructions--------------------------------------- 22

7.1. Speaker Connection ------------------------------------- 22
7.2. Connection to a TV -------------------------------------- 22
7.3. FM Antenna Connection ------------------------------- 23
7.4. Connection to the Network ---------------------------- 23
7.5. Playing Back Contents on the DLNA Server

(DLNA) ------------------------------------------------------ 24

7.6. Enjoying Network Service------------------------------ 25

8 Operating Instructions ---------------------------------------- 26

8.1. Taking out the Disc from Drive Unit when the

Disc cannot be ejected by OPEN/CLOSE
button-------------------------------------------------------- 26

8.2. Using the iPod/iPhone ---------------------------------- 27
8.3. Easy Network Setting ----------------------------------- 30

9 Service Mode ----------------------------------------------------- 31

9.1. Special Mode Setting------------------------------------ 31
9.2. Error Codes------------------------------------------------ 36
9.3. To enter into Service Mode ---------------------------- 39

10 Troubleshooting Guide---------------------------------------- 47

10.1. Troubleshooting Guide for F61 and/or F76 -------- 47

11 Service Fixture & Tools --------------------------------------- 50

12 Disassembly and Assembly Instructions --------------- 51

12.1. Screw Type ------------------------------------------------ 51
12.2. Disassembly Flow Chart-------------------------------- 52
12.3. Main Components and P.C.B. Locations ----------- 53
12.4. Disassembly of Top Cabinet--------------------------- 54
12.5. Replacement of Tray Ornament ---------------------- 55
12.6. Disassembly of Wi-Fi P.C.B. (For SA-

BTT790GN-K)--------------------------------------------- 57

12.7. Disassembly of Front Panel Block Assembly ----- 57
12.8. Replacement of Front Lid Assembly ---------------- 59
12.9. Disassembly of Operation Button P.C.B. ----------- 61

12.10. Disassembly of Power Button P.C.B.---------------- 61

12.11. Disassembly of iPod Cradle Assembly ------------- 62

12.12. Disassembly of iPod P.C.B.---------------------------- 64
12.13. Disassembly of Panel P.C.B. -------------------------- 65
12.14. Disassembly of Rear Panel---------------------------- 66
12.15. Disassembly of Fan Unit ------------------------------- 67
12.16. Disassembly of Wireless Adapter P.C.B.----------- 67
12.17. Disassembly of AV P.C.B.------------------------------ 68
12.18. Disassembly of Digital P.CB. -------------------------- 69
12.19. Disassembly of D-Amp P.C.B. ------------------------ 72
12.20. Replacement of Digital Amplifier IC (IC5200/

IC5300) ----------------------------------------------------- 73

12.21. Disassembly of AC Inlet P.C.B. ----------------------- 74
12.22. Disassembly of SMPS P.C.B. ------------------------- 76
12.23. Replacement of Switching Regulator IC

(IC5701) ---------------------------------------------------- 78

12.24. Replacement of Diode (D5702) ---------------------- 80
12.25. Replacement of Diode (D5802) ---------------------- 82
12.26. Replacement of Diode (D5803) ---------------------- 83
12.27. Disassembly of BD Mechanism Unit

(BRS14P) -------------------------------------------------- 84

13 Service Position ------------------------------------------------- 86

13.1. Checking and Repairing Panel P.C.B. -------------- 86
13.2. Checking and Repairing Digital P.C.B.-------------- 86
13.3. Checking and Repairing D-Amp P.C.B.------------- 88
13.4. Checking and Repairing SMPS P.C.B. ------------- 89

14 Measurements and Adjustments -------------------------- 90

14.1. Standard Inspection Specifications after

Making Repairs------------------------------------------- 90

15 Overall Simplified Block Diagram------------------------- 91
16 Block Diagram --------------------------------------------------- 92

16.1. System Control ------------------------------------------- 92
16.2. Audio and Video ----------------------------------------- 93
16.3. Power Supply(Main Section) ------------------------- 95

17 Wiring Connection Diagram -------------------------------- 97
18 Schematic Diagram -------------------------------------------- 99

18.1. Schematic Diagram Notes ---------------------------- 99
18.2. Digital(Micon/Power) Circuit ------------------------- 101
18.3. AV Circuit ------------------------------------------------- 110
18.4. D-Amp Circuit-------------------------------------------- 111
18.5. Panel Circuit --------------------------------------------- 114
18.6. Power Button, Operation Button and iPod

Circuit ------------------------------------------------------ 115

18.7. SMPS Circuit--------------------------------------------- 116
18.8. AC Inlet and Wireless Adapter Circuit ------------- 118

19 Printed Circuit Board----------------------------------------- 119

19.1. Digital P.C.B. --------------------------------------------- 119
19.2. AV, Panel, Power Button, Operation Button

and iPod P.C.B. ----------------------------------------- 121

19.3. D-Amp P.C.B. -------------------------------------------- 122
19.4. SMPS, AC Inlet and Wireless Adapter P.C.B. --- 123

20 Appendix Information of Schematic Diagram ------- 125

20.1. Voltage & Waveform Chart --------------------------- 125
20.2. Illustration of ICs, Transistor and Diode----------- 132
20.3. Terminal Function of ICs ------------------------------ 133

21 Exploded View and Replacement Parts List---------- 135

21.1. Exploded View and Mechanical replacement

Part List --------------------------------------------------- 135

21.2. Electrical Replacement Part List -------------------- 139