Panasonic SA-PT550E, Service Manual

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1 Safety Precautions 6
1.1. GENERAL GUIDELINES 6
1.2. Before Repair and Adjustment 6
1.3. Protection Circuitry 6
1.4. Safety Parts Information 7
1.5. Caution for AC Cord 8
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 9
3 Precaution of Laser Diode 10
4 About Lead Free Solder (PbF) 11
4.1. Service caution based on legal restrictions 11
5 Handling Precautions for Traverse Unit 12
5.1. Cautions to Be Taken in Handling the Optical Pickup Unit
12
5.2. Grounding for electrostatic breakdown prevention 12
6 Accessories 14
7 Operation Procedures 15
7.1. Remote Control Key Buttons Operations 15
7.2. Main Unit Key Buttons Operations 16
7.3. Using the VIERA Link 滴 DAVI Control 剩 17
7.4. Music Port Connection and Operation 18
7.5. USB Connection and Operation 19
7.6. Audio & Video Connections 20
7.7. Disc Information 21
8 New Features 23
8.1. About HDMI 23
9 Self-Diagnosis and Special Mode Setting 25
9.1. Service Mode Summary Table 25
9.2. Service Mode Table 25
9.3. DVD Self Diagnostic Function-Error Code 33
9.4. Sales Demonstration Lock Function 36
9.5. Service Precautions 37
10 Assembling and Disassembling 38
10.1. Disassembly Flow Chart 39
10.2. Main Components and P.C.B. Locations 40
10.3. Disassembly of Top Cabinet 41
10.4. Disassembly of the DVD Lid (When taking out disc
manually) 41
10.5. Disassembly of Front Panel 41
10.6. Disassembly of Volume P.C.B. 42
10.7. Disassembly of Panel P.C.B. 43
10.8. Disassembly of USB P.C.B. 43
10.9. Disassembly of Scart P.C.B. 43
10.10. Disassembly of Rear Panel 44
10.11. Disassembly of DVD Mechanism Unit 44
10.12. Disassembly of Relay P.C.B. 44
10.13. Disassembly of DVD Module P.C.B. 45
10.14. Disassembly of Main P.C.B. 45
10.15. Replacement of Regulator IC (IC2903) 46
10.16. Disassembly of D-Amp P.C.B. 46
10.17. Replacement of Digital Amp IC (IC5000) 47
10.18. Disassembly of SMPS & AC-Inlet P.C.B. 48
10.19. Replacement of Switch Regulator IC & Diode
(IC5701/D5702) 48
10.20. Replacement of Regulator Diodes (D5801 & D5802) 49
10.21. Replacement of Regulator Diode (D5803) 49
11 Assembly and Disassembly of DVD Mechanism Unit 51
11.1. Disassembly Procedure 51
12 Service Position 56
12.1. Checking & Repairing Scart P.C.B. 56
12.2. Checking & Repairing Panel P.C.B. 56
12.3. Checking & Repairing Main P.C.B. 56
12.4. Checking & Repairing D-Amp P.C.B. 57
12.5. Checking & Repairing DVD Module P.C.B. 57
12.6. Checking & Repairing SMPS P.C.B. 57
13 Measurements and Adjustments 59
13.1. Service Tools and Equipment 59
13.2. Important points in adjustment 59
13.3. Storing and handling of test discs 59
13.4. Optical adjustment 60
14 Abbreviations 61
15 Voltage and Waveform Chart 63
15.1. DVD Module P.C.B. 63
15.2. Main P.C.B. 65
15.3. D-Amp P.C.B. 66
15.4. SMPS P.C.B. 66
15.5. Panel & Tray Loading P.C.B. 67
15.6. Scart P.C.B. 67
15.7. Waveform Chart 68
16 Illustration of IC's, Transistors and Diodes 70
17 Wiring Connection Diagram 71
18 Block Diagram 73
18.1. System Control 73
18.2. DVD (Servo) 74
18.3. DVD (Audio) 75
18.4. DVD (Video) 76
18.5. DVD (HDMI) 77
18.6. Audio 78
18.7. Audio Digital Amp 79
18.8. Power 80
CONTENTS
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SA-PT550E / SA-PT550EB / SA-PT550EG