Panasonic DMR-EZ45VEB, Service Manual

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1 SAFETY PRECAUTIONS 4
1.1. GENERAL GUIDELINES 4
2 WARNING 5
2.1. PREVENTION OF ELECTROSTATIC DISCHARGE (ESD)
TO ELECTROSTATIC SENSITIVE (ES) DEVICES 5
2.2. PRECAUTION OF LASER DIODE 6
2.3. SERVICE CAUTION BASED ON LEGAL RESTRICTIONS
7
3 SERVICE NAVIGATION 8
3.1. SERVICE INFORMATION 8
4 SPECIFICATION 9
5 LOCATION OF CONTROLS AND COMPONENTS 10
6 OPERATING INTRUCTIONS 11
6.1. (DVD) TAKING OUT THE DISC FROM RAM-DRIVE UNIT
WHEN THE DISC CANNOT BE EJECTED BY
OPEN/CLOSE BUTTON 11
6.2. (VHS) REMOVING OF CASSETTE TAPE 12
7 SERVICE MODE 14
7.1. (DVD) SELF-DIAGNOSIS AND SPECIAL MODE
SETTING 14
7.2. (VHS) SELF-DIAGNOSIS AND SPECIAL MODE
SETTING 24
8 SERVICE FIXTURE AND TOOLS 26
9 ASSEMBLING AND DISASSEMBLING 27
9.1. DISASSEMBLY FLOW CHART 27
9.2. P.C.B. POSITIONS 27
9.3. CAUTION WHILE INSERTING CASSETTE TAPE WHEN
DISASSEMBLING THE UNIT 27
9.4. TOP CASE 28
9.5. FRONT PANEL 28
9.6. FRONT JACK P.C.B. & FL DRIVE P.C.B. 29
9.7. REAR PANEL & FAN MOTOR 29
9.8. VCR MECHANISM UNIT 30
9.9. MAIN P.C.B. 31
9.10. TUNER 31
9.11. DVD-RAM DRIVE / DIGITAL P.C.B. MODULE 32
9.12. SD/DV IN P.C.B. 33
9.13. POWER & DIGITAL I/F P.C.B. 34
9.14. BACK END P.C.B. 35
9.15. HDMI P.C.B. 35
10 MEASUREMENTS AND ADJUSTMENTS 36
10.1. SERVICE POSITIONS 36
10.2. CAUTION FOR REPLACING PARTS 39
10.3. (DVD) STANDARD INSPECTION SPECIFICATION
AFTER MAKING REPAIRS 44
11 MISCELLANEOUS 45
11.1. ABBREVIATIONS 45
12 BLOCK DIAGRAM 51
12.1. POWER SUPPLY BLOCK DIAGRAM 51
12.2. SYSTEM CONTROL, SERVO & TIMER BLOCK
DIAGRAM 52
12.3. AUDIO BLOCK DIAGRAM 53
12.4. VIDEO BLOCK DIAGRAM 54
12.5. DIGITAL I/F P.C.B. BLOCK DIAGRAM 56
12.6. HDMI BLOCK DIAGRAM 57
13 SCHEMATIC DIAGRAM 59
13.1. INTERCONNECTION DIAGRAM 59
13.2. POWER SUPPLY 60
13.3. DIGITAL I/F 61
13.4. IO / TUNER 62
13.5. SYSCON / SERVO / TIMER MAIN 63
13.6. VIDEO 64
13.7. AUDIO NICAM 65
13.8. FRONT JACK 66
13.9. FL DRIVE 67
13.10. SD/DV IN 68
13.11. HDMI 69
14 PRINTED CIRCUIT BOARD 71
14.1. POWER & DIGITAL I/F P.C.B. (COMPONENT SIDE) 71
14.2. POWER & DIGITAL I/F P.C.B. (SOLDER SIDE) 72
14.3. MAIN P.C.B. (COMPONENT SIDE) 73
14.4. MAIN P.C.B. (SOLDER SIDE) 74
14.5. FRONT JACK P.C.B. 75
14.6. FL DRIVE P.C.B. 76
14.7. SD/DV IN P.C.B. 77
14.8. HDMI P.C.B. 78
15 APPENDIX FOR SCHEMATIC DIAGRAM 79
15.1. VOLTAGE AND WAVEFORM CHART 79
16 EXPLODED VIEWS 91
16.1. MECHANISM & CASING PARTS 91
16.2. FRONT PANEL PARTS 92
16.3. VHS MECHANISM PARTS 93
16.4. PACKING & ACCESSORIES 94
17 REPLACEMENT PARTS LIST 95
17.1. CASING PARTS & PRINTED CIRCUIT BOARDS 95
17.2. VHS MECHANISM PARTS 95
17.3. PACKING & ACCESSORIES PARTS 96
17.4. ELECTRICAL PARTS 96
17.5. SERVICE FIXTURE AND TOOLS 108
CONTENTS
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DMR-EZ45VEB