
1 Safety Precautions 5
1.1. GENERAL GUIDELINES 5
1.2. Before Repair and Adjustment 5
1.3. Protection Circuitry 5
1.4. Safety Parts Information 6
1.5. Caution for AC Cord 7
2 Prevention of Electrostatic Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 8
3 About Lead Free Solder (PbF) 9
3.1. Service caution based on legal restrictions 9
4 Accessories 10
5 Operation Procedures 11
5.1. Remote Control Key Buttons Operations 11
5.2. Main Unit Key Buttons Operations 12
5.3. Using the VIERA Link “HDAVI Control™” 13
5.4. Main Unit Connections 14
6 Self-Diagnosis and Display Function 22
6.1. Automatically Displayed Error Codes 22
6.2. Display Details 22
6.3. Overload/Shutdown Detection internal Condition 23
6.4. Overload/Thermal Detection Display 23
6.5. Activating Self Diagnosis Function (Service Mode) 23
6.6. Returning to Normal Display 24
6.7. Activating Self Diagnosis Function (Doctor Mode) 24
6.8. Wireless Link 25
7 Assembling and Disassembling 27
7.1. Disassembly Flow Chart 28
7.2. Main Components and P.C.B. Locations 29
7.3. Disassembly of Top Cabinet 30
7.4. Disassembly and checking of DSP (Side A/B) P.C.B. 30
7.5. Disassembly and checking of Speaker P.C.B. 31
7.6. Disassembly and checking of D-Amp B (3CH) & Fan
P.C.B. 31
7.7. Replacement of Digital Amp IC (IC5000) of D-Amp B
(3CH) P.C.B. 33
7.8. Disassembly and checking of SMPS & AC Inlet P.C.B.
34
7.9. Replacement of Switch Regulator IC (IC5701) 35
7.10. Replacement of Switch Regulator Diode (D5702) 36
7.11. Replacement of Regulator Diode (D5801) 38
7.12. Replacement of Regulator Diode (D5802) 38
7.13. Replacement of Regulator Diode (D5803) 39
7.14. Disassembly and checking of D-Amp A (4CH) P.C.B. 40
7.15. Replacement of Digital Amp IC (IC5000) of D-Amp A
(4CH) P.C.B. 41
7.16. Disassembly and checking of HDMI side (A) and side (B)
42
7.17. Disassembly and Checking of S-Video & Video P.C.B. 43
7.18. Disassembly and checking of Wireless Adapter, Digital &
D-Port P.C.B. 43
7.19. Disassembly and Checking of Main (Side A/B) P.C.B. 45
7.20. Disassembly of Front Panel 46
7.21. Disassembly and checking of Panel, Headphone, Volume
P.C.B. 47
8 Voltage and Waveform Chart 49
8.1. HDMI P.C.B. 49
8.2. DSP P.C.B. 51
8.3. D-Amp A (4CH) P.C.B. 54
8.4. D-Amp B (3CH) P.C.B. 55
8.5. Main P.C.B. 56
8.6. Panel P.C.B. 59
8.7. Digital, Speaker & Fan P.C.B. 59
8.8. Video P.C.B. 60
8.9. S-Video P.C.B. 60
8.10. SMPS P.C.B. 60
8.11. Waveform Chart 61
9 Illustration of IC’s, Transistors and Diodes 63
10 Wiring Connection Diagram 65
11 Block Diagram 67
11.1. System Control 67
11.2. HDMI 68
11.3. IC Terminal (HDMI) Chart 69
11.4. DSP 70
11.5. IC Terminal (DSP) Chart 72
11.6. Audio 74
11.7. Digital Audio Amp (4CH) 76
11.8. Digital Audio Amp (3CH) 77
11.9. Speaker Channel 78
11.10. Video (component & composite video) 79
11.11. Video (S-video) 80
11.12. Power 81
12 Schematic Diagram Notes 83
13 Schematic Diagram 85
13.1. HDMI Circuit 85
13.2. DSP Circuit 89
13.3. Main Circuit 95
13.4. Panel Circuit 103
13.5. S-Video Circuit 105
13.6. Speaker Circuit 106
13.7. Video Circuit 107
CONTENTS
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SA-BX500EB / SA-BX500EE / SA-BX500EG