CONTENTS
SECTION 4
RL-05 LOADER PART
ELECTRICAL TROUBLESHOOTING GUIDE
......................................................................................................4-2
WAVEFORMS
.................................................................................................................................................................4-16
1. POWER & RESET SIGNAL .......................................................................................................................................4-16
2. MAIN CLOCK1 FOR IC202 (16.9MHZ)......................................................................................................................4-16
3. SDRAM CLOCK .........................................................................................................................................................4-17
4. TRAY OPEN/CLOSE SIGNAL 1.................................................................................................................................4-17
5. TRAY OPEN/CLOSE SIGNAL 2.................................................................................................................................4-18
6. SLED MOVE SIGNAL 1 .............................................................................................................................................4-18
7. SLED MOVE SIGNAL 2 .............................................................................................................................................4-19
8. FOCUS SEARCH SIGNAL.........................................................................................................................................4-19
9. LASER TURN ON SIGNAL ........................................................................................................................................4-20
10. DISC TYPE JUDGEMENT WAVEFORM (CD SERIES) ..........................................................................................4-21
11. DISC TYPE JUDGEMENT WAVEFORM (CD&CD-R)..............................................................................................4-21
12. DISC TYPE JUDGEMENT WAVEFORM (CD-RW)..................................................................................................4-22
13. DISC TYPE JUDGEMENT WAVEFORM (DVD SERIES) ........................................................................................4-22
14. DISC TYPE JUDGEMENT WAVEFORM (DVD_SINGLE&R) ..................................................................................4-23
15. DISC TYPE JUDGEMENT WAVEFORM (DVD _DUAL)..........................................................................................4-23
16. DISC TYPE JUDGEMENT WAVEFORM (DVDRW) ................................................................................................4-24
17. SPINDLE WAVEFORM1 ..........................................................................................................................................4-24
18. SPINDLE WAVEFORM2 ..........................................................................................................................................4-25
19. FOCUS ON SIGNAL(CD).........................................................................................................................................4-25
20. FOCUS ON SIGNAL(CD))........................................................................................................................................4-26
21. FOCUS ON SIGNAL(DVD) ......................................................................................................................................4-26
22. FOCUS ON SIGNAL (DVD) .....................................................................................................................................4-27
23. TRACK OFF SIGNAL(CD) .......................................................................................................................................4-27
24. TRACK OFF SIGNAL(DVD) .....................................................................................................................................4-28
25. TILT DRIVER SIGNAL(DISC READING) .................................................................................................................4-28
26. RF WAVEFORM(DVD) .............................................................................................................................................4-29
27. RF WAVEFORM(CD) ...............................................................................................................................................4-29
28. WOBBLE(DVD-R/RW)_READING ...........................................................................................................................4-30
29. WOBBLE(DVD+R/RW)_READING&WRITING =>X1 SPEED .................................................................................4-30
30. LD ENABLE(DVD) ....................................................................................................................................................4-31
31. LD ENABLE(CD) ......................................................................................................................................................4-31
32. LASER POWER(READING)_DVD+RW ...................................................................................................................4-32
33. LASER POWER(ERASE)_DVD+RW .......................................................................................................................4-32
34. LASER POWER(WRITING)_INITIAL STATE ...........................................................................................................4-33
35. LASER POWER(WRITING)_PROCESSING ...........................................................................................................4-33
THE DIFFERENCE OF DVD-R/RW, DVD+R/RW DISCS AND DVD-ROM
..............................................4-34
1. RECORDING LAYER .................................................................................................................................................4-34
2. DISC SPECIFICATION...............................................................................................................................................4-35
3. DISC MATERIALS ......................................................................................................................................................4-34
4. ORGANIZATION OF THE INNER DRIVE AREA, OUTER DRIVE AREA,
LEAD-IN ZONE AND LEAD-OUT ZONE....................................................................................................................4-39
5. ALPC(AUTOMATIC LASER POWER CONTROL) CIRCUIT .....................................................................................4-43
HOW TO USE TEST TOOL
.......................................................................................................................................4-44
BLOCK DIAGRAMS
...................................................................................................................................................4-51
1. OVERALL BLOCK DIAGRAM ....................................................................................................................................4-51
2. DSP BLOCK DIAGRAM .............................................................................................................................................4-52
3. µ-COM BLOCK DIAGRAM .........................................................................................................................................4-53
4. RF BLOCK DIAGRAM................................................................................................................................................4-54
CIRCUIT DIAGRAMS
..................................................................................................................................................4-55
1. RF1 CIRCUIT DIAGRAM ..........................................................................................................................................4-55
2. DSP CIRCUIT DIAGRAM ...........................................................................................................................................4-57
3. µ-COM CIRCUIT DIAGRAM.......................................................................................................................................4-59
CIRCUIT VOLTAGE CHART
.....................................................................................................................................4-61
PRINTED CIRCUIT DIAGRAMS
..............................................................................................................................4-63
1. MAIN P.C.BOARD .....................................................................................................................................................4-63
2. MAIN P.C.BOARD .....................................................................................................................................................4-65
Содержание 7823W
Страница 41: ...3 42 3 43 2 E5 BGA POWER UART2_RS232C CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 42: ...3 44 3 45 3 DDR SDRAM FLASH DDR TERMINATION REG CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 43: ...3 46 3 47 4 RST CONTROL STATUS REG ADDRESS LATCH CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 44: ...3 48 3 49 5 1394 HDMI TRANSMITTER JACK ETHERNET CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 45: ...3 50 3 51 A B C D E F G H I J K L M N O P Q R S T 6 VIDEO DECODER IO JACK CIRCUIT DIAGRAM ...
Страница 46: ...3 52 3 53 7 ATAPI 1 2 MEMORY CARD I O CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 47: ...3 54 3 55 8 JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 48: ...3 56 3 57 9 I O µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 49: ...3 58 3 59 10 TUNER MPX ADC DAC JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 50: ...3 60 3 61 11 KEY CIRCUIT DIAGRAM 5 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Страница 51: ...12 KEY CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T 3 62 3 63 ...
Страница 52: ...3 64 3 65 13 KEY CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Страница 53: ...14 KEY CIRCUIT DIAGRAM 9 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T 3 66 3 67 ...
Страница 54: ...3 68 3 69 15 TIMER CIRCUIT DIAGRAM 5 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Страница 55: ...3 70 3 71 16 TIMER CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Страница 56: ...3 72 3 73 17 TIMER CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Страница 57: ...3 74 3 75 18 TIMER CIRCUIT DIAGRAM 9 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Страница 62: ...3 84 3 85 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE ...
Страница 63: ...3 86 3 87 LOCATION GUIDE 2 MAIN P C BOARD BOTTOM SIDE ...
Страница 64: ...3 88 3 89 3 I O P C BOARD TOP VIEW BOTTOM VIEW 4 JACK P C BOARD ...
Страница 65: ...3 90 3 91 6 POWER P C BOARD LOCATION GUIDE BOTTOM VIEW 5 HDD P C BOARD TOP VIEW ...
Страница 67: ......
Страница 87: ...4 20 9 LASER TURN ON SIGNAL F LIC502 PIN 52 LDEN DVD LCN201 PIN17 VRDC LCN201PIN 34 ...
Страница 102: ...4 35 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Страница 122: ...4 55 4 56 CIRCUIT DIAGRAMS 1 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 123: ...4 57 4 58 2 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 124: ...4 59 4 60 3 µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 126: ...4 63 4 64 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 127: ...4 65 4 66 2 MAIN P C BOARD LOCATION GUIDE ...