2
7.1. No Power or No Display ------------------------------- 18
7.2. Bluetooth® Pairing Failure ----------------------------- 18
7.3. No Key Function (Touch Panel) ---------------------- 18
7.4. No Remote Control Function -------------------------- 18
7.5. No NFC ----------------------------------------------------- 19
7.6. USB Device Cannot Detect---------------------------- 19
7.7. Fuse Checking -------------------------------------------- 19
7.8. No Output Sound----------------------------------------- 20
7.9. Check Point------------------------------------------------ 21
8 Disassembly and Assembly Instructions --------------- 23
8.1. Type of Screws ------------------------------------------- 23
8.2. Disassembly Flow Chart-------------------------------- 24
8.3. Main Components and P.C.B. Locations ----------- 25
8.4. Disassembly of Rear Panel --------------------------- 26
8.5. Disassembly of Top Panel Unit ----------------------- 26
8.6. Disassembly of Left & Right Side Panel
Assembly --------------------------------------------------- 27
8.7. Disassembly Upper Front Panel Assembly-------- 27
8.8. Disassembly Panel Block ------------------------------ 28
8.9. Disassembly of Mic P.C.B. ----------------------------- 28
8.10. Disassembly of Panel/IR Sensor P.C.B.------------ 28
8.11. Disassembly of USB P.C.B. --------------------------- 29
8.12. Disassembly of NFC P.C.B. --------------------------- 29
8.13. Disassembly of Touch Sensor P.C.B.
Assembly --------------------------------------------------- 30
8.14. Disassembly of Main P.C.B. --------------------------- 30
8.15. Disassembly of DAMP P.C.B. ------------------------- 31
8.16. Disassembly of SMPS/AC Inlet P.C.B.-------------- 32
8.17. Disassembly of Top Speaker Block ------------------ 32
8.18. Disassembly of Speaker Units ------------------------ 33
8.19. Disassembly of Lighting P.C.B. ----------------------- 33
9 Service Position ------------------------------------------------- 34
9.1. Checking of SMPS/AC Inlet, DAMP, Main and
Panel/IR Sensor P.C.B. --------------------------------- 34
10 Block Diagram --------------------------------------------------- 35
10.1. System Control ------------------------------------------- 35
10.2. Audio -------------------------------------------------------- 37
10.3. Power Supply --------------------------------------------- 39
11 Wiring Connection Diagram --------------------------------- 41
12 Schematic Diagram--------------------------------------------- 43
12.1. Schematic Diagram Notes ----------------------------- 43
12.2. Main (AUX Tuner) Circuit (1/2) ----------------------- 45
12.3. Main (AUX Tuner) Circuit (2/2) ----------------------- 46
12.4. Main (Connector) Circuit (1/2) ------------------------ 47
12.5. Main (Connector) Circuit (2/2) ------------------------ 48
12.6. Main (DSP) Circuit --------------------------------------- 49
12.7. Main (LDO) Circuit --------------------------------------- 50
12.8. Main (Optical) Circuit ------------------------------------ 51
12.9. Main (MICON) Circuit (1/3) ---------------------------- 52
12.10. Main (MICON) Circuit (2/3) ---------------------------- 53
12.11. Main (MICON) Circuit (3/3) ---------------------------- 54
12.12. Main (USB) Circuit --------------------------------------- 55
12.13. Panel Circuit (1/2) ---------------------------------------- 56
12.14. Panel Circuit (2/2) ---------------------------------------- 57
12.15. Mic Circuit -------------------------------------------------- 58
12.16. IR Sensor and USB Circuit ---------------------------- 59
12.17. DAMP Circuit (1/3) --------------------------------------- 60
12.18. DAMP Circuit (2/3) --------------------------------------- 61
12.19. DAMP Circuit (3/3) --------------------------------------- 62
12.20. DAMP (VREG) Circuit (1/2)---------------------------- 63
12.21. DAMP (VREG) Circuit (2/2)---------------------------- 64
12.22. AC Inlet and SMPS Circuit (1/2) --------------------- 65
12.23. SMPS Circuit (2/2)--------------------------------------- 66
13 Printed Circuit Board------------------------------------------ 67
13.1. Main P.C.B. (Side A) ------------------------------------ 67
13.2. Main P.C.B. (Side B) ------------------------------------ 68
13.3. Panel and IR Sensor P.C.B.--------------------------- 69
13.4. Mic and USB P.C.B.------------------------------------- 70
13.5. DAMP P.C.B. (Side A) ---------------------------------- 71
13.6. DAMP P.C.B. (Side B) ---------------------------------- 72
13.7. SMPS P.C.B.---------------------------------------------- 73
13.8. AC Inlet P.C.B.-------------------------------------------- 74
14 Voltage and Waveform Measurement-------------------- 75
14.1. Voltage Measurement ---------------------------------- 75
15 Exploded View and Replacement Parts List----------- 81
15.1. Cabinet Parts Location 1------------------------------- 81
15.2. Cabinet Parts Location 2------------------------------- 82
15.3. Cabinet Parts Location 3------------------------------- 83
15.4. Cabinet Parts Location 4------------------------------- 84
15.5. Packaging ------------------------------------------------- 85
15.6. Mechanical Replacement Part List ------------------ 87
15.7. Electrical Replacement Part List --------------------- 89
Summary of Contents for SC-UA7E
Page 5: ...5 1 4 Caution For AC Cord For E Figure 1 3 ...
Page 11: ...11 5 Location of Controls and Components 5 1 Remote Control Key Button Operation For E PH PR ...
Page 12: ...12 5 2 Remote Control Key Button Operation For PC ...
Page 13: ...13 5 3 Main Unit Key Button Operation ...
Page 22: ...22 7 9 2 Main P C B 7 9 3 DAMP P C B 8 8 9 IC2104 IC2108 IC2107 10 IC2101 C2155 ...
Page 25: ...25 8 3 Main Components and P C B Locations ...
Page 42: ...42 ...
Page 44: ...44 ...
Page 80: ...80 ...
Page 86: ...86 ...