SA-BTT770EG, SA-BTT770EP, SA-BTT775EB, SA-BTT775EE, SA-BTT775GN, SC-BTT775EEK - Panasonic Audio Service Manual (repair manual). Page 2

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1.4. Safety Parts Information----------------------------------6
1.5. Caution for AC Cord (For EB only) --------------------7

2 Warning --------------------------------------------------------------8

2.1. Prevention of Electrostatic Discharge (ESD)

to Electrostatic Sensitive (ES) Devices ---------------8

2.2. Precaution of Laser Diode -------------------------------9
2.3. Service caution based on Legal restrictions------- 10
2.4. Handling Precaution for Traverse Unit-------------- 10

3 Service Navigation---------------------------------------------- 12

3.1. Service Information -------------------------------------- 12
3.2. Combination of Multiple Pressing on the

Remote Control ------------------------------------------- 12

3.3. Entering Special Modes with Combination of

Multiple Pressing on the Remote Control ---------- 12

3.4. Caution during Replacing Parts ---------------------- 16

4 Specifications ---------------------------------------------------- 18

4.1. Others (Licenses) ---------------------------------------- 19

5 Location of Controls and Components------------------ 20

5.1. Remote Control Key Button Operations ------------ 20
5.2. Main Unit Key Button Operations -------------------- 21
5.3. Speaker Connection ------------------------------------- 22
5.4. Connection to a Broadband Network --------------- 23
5.5. Network Easy Setting ----------------------------------- 24
5.6. Firmware Updates --------------------------------------- 26
5.7. Enjoying BD-LIVE or Picture-In-Picture in BD-

Video -------------------------------------------------------- 27

5.8. Regarding DivX ------------------------------------------- 28
5.9. Enjoying 3D Video --------------------------------------- 29

5.10. Using the iPod/iPhone ---------------------------------- 30

5.11. Enjoying VIERA CAST™------------------------------- 32

5.12. Playing back contents on the DLNA server

(DLNA) ------------------------------------------------------ 33

5.13. Playable disc/Cards/USB devices ------------------- 34
5.14. File Extension Type Support (MP3, JPEG,

DivX, MKV) ------------------------------------------------ 36

6 Operating Instructions ---------------------------------------- 37

6.1. Removing of disc during abnormality --------------- 37

7 Self-Diagnostic and Special Mode Setting ------------- 39

7.1. Special Mode Setting------------------------------------ 39
7.2. Self-Diagnostic Function - Error Code -------------- 42
7.3. Service Mode---------------------------------------------- 45

8 Troubleshooting Guide---------------------------------------- 52

8.1. Troubleshooting Guide for F61 and/or F76 -------- 52

9 Service Fixture & Tools --------------------------------------- 55

9.1. Service Tools and Equipment ------------------------- 55

10 Disassembly and Assembly Instructions --------------- 56

10.1. Disassembly Flow Chart-------------------------------- 58
10.2. Main Components and P.C.B. Locations ----------- 59
10.3. Disassembly of Top Cabinet--------------------------- 60
10.4. Disassembly of Wireless Adapter P.C.B.----------- 61
10.5. Disassembly of Rear Panel---------------------------- 62
10.6. Disassembly of Fan-------------------------------------- 63
10.7. Disassembly of Front Panel Assembly ------------- 63
10.8. Disassembly of WI-FI P.C.B. (All except SA-

BTT775EE) ------------------------------------------------ 65

10.9. Disassembly of Panel P.C.B. -------------------------- 65

10.10. Disassembly of Operation Button P.C.B. ----------- 66

10.11. Disassembly of Power Button P.C.B.---------------- 68

10.12. Disassembly of iPod Cradle Assembly ------------- 69
10.13. Disassembly of iPod P.C.B.---------------------------- 70
10.14. Replacement of Front Lid Assembly ---------------- 71

10.15. Disassembly of BD Mechanism Unit (BRS1P) --- 73
10.16. Disassembly of AC Inlet P.C.B. ---------------------- 96
10.17. Disassembly of D-Amp P.C.B.------------------------ 98
10.18. Replacement of Digital Amplifier IC (IC5100/

IC5200/IC5300) ------------------------------------------ 99

10.19. Disassembly of Digital P.CB.------------------------- 101
10.20. Disassembly of AV P.C.B. ---------------------------- 105
10.21. Disassembly of SMPS P.C.B.------------------------ 106
10.22. Replacement of Switching Regulator IC

(IC5701)--------------------------------------------------- 108

10.23. Replacement of Rectifier Diode (D5702) --------- 110
10.24. Replacement of Thermal Diode (D5802) --------- 112
10.25. Replacement of Regulator Diode (D5803) ------- 114

11 Service Position------------------------------------------------ 115

11.1. Checking & Repairing of Digital P.C.B.------------ 115
11.2. Checking & Repairing D-Amp P.C.B. -------------- 117
11.3. Checking & Repairing SMPS P.C.B. --------------- 119
11.4. Checking & Repairing Panel P.C.B.---------------- 120
11.5. Checking & Repairing of AV P.C.B. ---------------- 120

12 Voltage & Waveform Chart --------------------------------- 122

12.1. Digital P.C.B. (1/3) -------------------------------------- 122
12.2. Digital P.C.B. (2/3) -------------------------------------- 123
12.3. Digital P.C.B. (3/3) -------------------------------------- 123
12.4. AV P.C.B. ------------------------------------------------- 124
12.5. Panel P.C.B. --------------------------------------------- 124
12.6. D-Amp P.C.B. (1/2) ------------------------------------- 125
12.7. D-Amp P.C.B. (2/2) ------------------------------------- 126
12.8. SMPS P.C.B.  -------------------------------------------- 127
12.9. Waveform Table (1/2) ---------------------------------- 128

12.10. Waveform Table (2/2) ---------------------------------- 129

13 Illustration of ICs, Transistor and Diode --------------- 130
14 Simplified Block Diagram----------------------------------- 131
15 Block Diagram -------------------------------------------------- 132

15.1. System Control ------------------------------------------ 132
15.2. Audio & Video ------------------------------------------- 133
15.3. Power Supply(Main Section) ------------------------ 135

16 Wiring Connection Diagram ------------------------------- 137
17 Schematic Diagram ------------------------------------------- 139

17.1. Schematic Diagram Notes --------------------------- 139
17.2. Digital(Micon/Power) Circuit (For SA-

BTT770EG/EP, SA-BTT775EB/GN)  -------------- 141

17.3. Digital(Micon/Power) Circuit (For SA-

BTT775EE)----------------------------------------------- 148

17.4. AV Circuit ------------------------------------------------- 155
17.5. D-Amp Circuit-------------------------------------------- 156
17.6. Panel Circuit --------------------------------------------- 160
17.7. Power Button, Operation Button & iPod Circuit - 161
17.8. SMPS Circuit--------------------------------------------- 162
17.9. AC Inlet & Wireless Adapter Circuit ---------------- 164

18 Printed Circuit Board----------------------------------------- 165

18.1. Digital P.C.B. (For SA-BTT770EG/EP, SA-

BTT775EB/GN) ----------------------------------------- 165

18.2. Digital P.C.B. (For SA-BTT775EE) ----------------- 167
18.3. AV, Panel, Power Button, Operation Button &

iPod P.C.B. ----------------------------------------------- 169

18.4. D-Amp P.C.B. -------------------------------------------- 170
18.5. SMPS, AC Inlet & Wireless Adapter P.C.B. ------ 171

19 Terminal Function of ICs ------------------------------------ 173

19.1. IC6001(C0HBB0000057): IC FL Driver ----------- 173

20 Exploded View and Replacement Parts List---------- 175