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3-1
SECTION 3
ELECTRICAL
CONTENTS
HDR PART
ELECTRICAL TROUBLESHOOTING GUIDE
. . . . . . . .3-2
1. POWER ( SMPS ) CIRCUIT (PART 1) . . . . . . . . . .3-2
2. POWER ( SMPS ) CIRCUIT (PART 2) . . . . . . . . . .3-3
3. SYSTEM CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . .3-4
4. DISC NOT RECOGNIZED. . . . . . . . . . . . . . . . . . .3-4
5. WHEN PLAYING DISC ,NO AUDIO OUTPUT . . . .3-5
6. NO OPTICAL / DIGITAL OUTPUT . . . . . . . . . . . . .3-5
7. NO TUNER AUDIO OUTPUT . . . . . . . . . . . . . . . .3-6
8. NO EXTERNAL INPUT 1 AUDIO . . . . . . . . . . . . . .3-8
9. NO EXTERNAL INPUT 2 AUDIO . . . . . . . . . . . . . .3-9
10. NO EXTERNAL INPUT 3 AUDIO . . . . . . . . . . . .3-10
11. NO EXTERNAL INPUT 4 AUDIO . . . . . . . . . . . .3-10
12. NO RGB/ COMPONENT VIDEO SIGNAL
WHEN PLAYING DISC . . . . . . . . . . . . . . . . . . .3-11
13. NO COMPOSITE/S-VIDEO SIGNAL
WHEN PLAYING DISC . . . . . . . . . . . . . . . . . . .3-12
14. NO TV , EXTERNAL INPUT VIDEO SIGNAL . . .3-13
15. NO DV( IEEE 1394 ) INPUT (VIDEO/AUDIO)
SIGNAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14
BLOCK DIAGRAMS
. . . . . . . . . . . . . . . . . . . . . . . . . .3-15
1. OVERALL BLOCK DIAGRAM . . . . . . . . . . . . . . .3-15
2. IN/OUT BLOCK DIAGRAM . . . . . . . . . . . . . . . . .3-17
3. VIDEO BLOCK DIAGRAM . . . . . . . . . . . . . . . . . .3-19
4. VIDEO SW PATH BLOCK DIAGRAM . . . . . . . . .3-21
5. AUDIO BLOCK DIAGRAM . . . . . . . . . . . . . . . . . .3-23
6. AUDIO SW PATH BLOCK DIAGRAM . . . . . . . . .3-25
7. FLD / µ-COM BLOCK DIAGRAM . . . . . . . . . . . . .3-27
8. POWER : MAIN BOARD BLOCK DIAGRAM . . . .3-29
9. POWER : I/O BOARD BLOCK DIAGRAM . . . . . .3-31
10. LAYOUT CONNECTION BLOCK DIAGRAM . . .3-33
11. SMPS BLOCK DIAGRAM (PART 1) . . . . . . . . . .3-35
12. SMPS BLOCK DIAGRAM (PART 2) . . . . . . . . . .3-37
CIRCUIT DIAGRAMS
. . . . . . . . . . . . . . . . . . . . . . . . .3-39
1. POWER CIRCUIT DIAGRAM . . . . . . . . . . . . . . .3-39
2. E5 BGA, POWER, UART2 CIRCUIT DIAGRAM .3-41
3. DDR SDRAM, FLASH CIRCUIT DIAGRAM . . . . .3-43
4. RST, CONTROL/STATUS REG, ATAPI,
HOST CPLD, LATCH CIRCUIT DIAGRAM . . . . .3-45
5. 1394, ETHERNET CONNECTOR CIRCUIT
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-47
6. VIDEO IN/OUT CIRCUIT DIAGRAM . . . . . . . . . .3-49
7. AUDIO IN/OUT CIRCUIT DIAGRAM . . . . . . . . . .3-51
8. I/O MICOM CIRCUIT DIAGRAM . . . . . . . . . . . . .3-53
9. TUNER, VIDEO IN/OUT CIRCUIT DIAGRAM . . .3-55
10. FRONT CIRCUIT DIAGRAM . . . . . . . . . . . . . . .3-57
11. ONSPEC 3 IN 1 MEMORY CARD &
DV AVIN CIRCUIT DIAGRAM . . . . . . . . . . . . . .3-59
•
WAVEFORMS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-61
•
CIRCUIT VOLTAGE CHART
. . . . . . . . . . . . . . . . . .3-63
PRINTED CIRCUIT DIAGRAMS
. . . . . . . . . . . . . . . . .3-69
1. MAIN P.C.BOARD(TOP SIDE) . . . . . . . . . . . . . .3-69
2. MAIN P.C.BOARD(BOTTOM SIDE) . . . . . . . . . . .3-71
3. I/O P.C.BOARD . . . . . . . . . . . . . . . . . . . . . . . . . .3-73
4. JACK P.C.BOARD . . . . . . . . . . . . . . . . . . . . . . . .3-73
5. FRONT P.C.BOARD . . . . . . . . . . . . . . . . . . . . . .3-75
6. KEY P.C.BOARD . . . . . . . . . . . . . . . . . . . . . . . . .3-76
7. POWER P.C.BOARD . . . . . . . . . . . . . . . . . . . . . .3-77
RL-01A LOADER PART
ELECTRICAL TROUBLESHOOTING GUIDE
. . . . . . .3-79
BLOCK DIAGRAMS & DESCRIPTION
. . . . . . . . . . . .3-93
1. OVERALL BLOCK DIAGRAM . . . . . . . . . . . . . . .3-93
2. MAJOR IC INTERNAL BLOCK DIAGRAM AND
PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . .3-94
3. MAJOR IC INTERNAL BLOCK DIAGRAM AND
PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . .3-99
4. IC302(UPD76F0047):MICOM . . . . . . . . . . . . . .3-108
WAVEFORMS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-112
1. POWER & RESET SIGNAL . . . . . . . . . . . . . . . .3-112
2. MAIN CLOCK1 FOR IC202 (16.9MHZ) . . . . . . .3-112
3. MAIN CLOCK2 FOR IC302 (20MHZ) . . . . . . . . .3-113
4. SDRAM CLOCK . . . . . . . . . . . . . . . . . . . . . . . .3-113
5. TRAY OPEN/CLOSE SIGNAL 1 . . . . . . . . . . . . .3-114
6. TRAY OPEN/CLOSE SIGNAL 2 . . . . . . . . . . . . .3-114
7. SLED MOVE SIGNAL 1 . . . . . . . . . . . . . . . . . . .3-115
8. SLED MOVE SIGNAL 2 . . . . . . . . . . . . . . . . . . .3-115
9. FOCUS SEARCH SIGNAL . . . . . . . . . . . . . . . .3-116
10. LASER TURN ON SIGNAL . . . . . . . . . . . . . . .3-116
11. DISC TYPE JUDGEMENT WAVEFORM
(CD SERIES) . . . . . . . . . . . . . . . . . . . . . . . . . .3-117
12. DISC TYPE JUDGEMENT WAVEFORM
(CD&CD-R) . . . . . . . . . . . . . . . . . . . . . . . . . . .3-117
13. DISC TYPE JUDGEMENT WAVEFORM
(CD-RW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-118
14. DISC TYPE JUDGEMENT WAVEFORM
(DVD SERIES) . . . . . . . . . . . . . . . . . . . . . . . .3-118
15. DISC TYPE JUDGEMENT WAVEFORM
(DVD_SINGLE&R) . . . . . . . . . . . . . . . . . . . . . .3-119
16. DISC TYPE JUDGEMENT WAVEFORM
(DVD _DUAL) . . . . . . . . . . . . . . . . . . . . . . . . .3-119
17. DISC TYPE JUDGEMENT WAVEFORM
(DVDRW) . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-120
18. SPINDLE WAVEFORM1 . . . . . . . . . . . . . . . . .3-120
19. SPINDLE WAVEFORM2 . . . . . . . . . . . . . . . . .3-121
20. FOCUS ON SIGNAL(CD) . . . . . . . . . . . . . . . .3-121
21. FOCUS ON SIGNAL(CD) . . . . . . . . . . . . . . . .3-122
22. FOCUS ON SIGNAL(DVD) . . . . . . . . . . . . . . .3-122
23. FOCUS ON SIGNAL (DVD) . . . . . . . . . . . . . . .3-123
24. TRACK OFF SIGNAL(CD) . . . . . . . . . . . . . . . .3-123
25. TRACK OFF SIGNAL(DVD) . . . . . . . . . . . . . . .3-124
26. TILT DRIVER SIGNAL(DISC READING) . . . . .3-124
27. RF WAVEFORM(DVD) . . . . . . . . . . . . . . . . . .3-125
28. RF WAVEFORM(CD) . . . . . . . . . . . . . . . . . . . .3-125
29. WOBBLE(DVD-R/RW)_READING . . . . . . . . . .3-126
30. WOBBLE(DVD+R/RW)_READING&WRITING
=>X1 SPEED . . . . . . . . . . . . . . . . . . . . . . . . .3-126
31. LD ENABLE(DVD) . . . . . . . . . . . . . . . . . . . . . .3-127
32. LD ENABLE(CD) . . . . . . . . . . . . . . . . . . . . . . .3-127
33. LASER POWER(READING)_DVD+RW . . . . . .3-128
34. LASER POWER(ERASE)_DVD+RW . . . . . . . .3-128
35. LASER POWER(WRITING)_INITIAL STATE . .3-129
36. LASER POWER(WRITING)_PROCESSING . .3-129
CIRCUIT DIAGRAMS
. . . . . . . . . . . . . . . . . . . . . . . .3-130
1. RF CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . .3-130
2. DSP CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . .3-132
3. µ-COM CIRCUIT DIAGRAM . . . . . . . . . . . . . . .3-134
PRINTED CIRCUIT DIAGRAMS
. . . . . . . . . . . . . . . .3-136
1. MAIN P.C.BOARD(TOP SIDE) . . . . . . . . . . . . . .3-136
Содержание RH4820W
Страница 40: ...3 41 3 42 2 E5 BGA POWER UART2 CIRCUIT DIAGRAM E5 BAG POWER UART2 ...
Страница 43: ...3 47 3 48 5 1394 ETHERNET CONNECTOR CIRCUIT DIAGRAM 1394 ETHERNET CONNECTOR ...
Страница 44: ...3 49 3 50 VIDEO IN OUT 6 VIDEO IN OUT CIRCUIT DIAGRAM ...
Страница 45: ...3 51 3 52 7 AUDIO IN OUT CIRCUIT DIAGRAM AUDIO IN OUT ...
Страница 46: ...3 53 3 54 8 I O MICOM CIRCUIT DIAGRAM SR17208A I O MICOM ...
Страница 47: ...3 55 3 56 9 TUNER VIDEO IN OUT CIRCUIT DIAGRAM SR17209A TUNER VIDEO IN OUT 3 9K 3 9K ...
Страница 48: ...3 57 3 58 10 FRONT CIRCUIT DIAGRAM HDD VDR_FRONT ...
Страница 54: ...3 69 3 70 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE ...
Страница 55: ...3 71 3 72 2 MAIN P C BOARD BOTTOM SIDE LOCATION GUIDE ...
Страница 56: ...3 73 3 74 3 I O P C BOARD LOCATION GUIDE 4 JACK P C BOARD LOCATION GUIDE LOCATION GUIDE LOCATION GUIDE ...
Страница 57: ...3 75 3 76 5 FRONT P C BOARD LOCATION GUIDE 6 KEY P C BOARD ...
Страница 58: ...3 77 3 78 7 POWER P C BOARD LOCATION GUIDE ...
Страница 88: ...3 108 4 IC302 uPD76f0047 MICOM Pin Assignment ...
Страница 93: ...3 113 3 Main Clock2 for IC302 20MHz GND LEVEL X301 IC302 PIN 13 4 SDRAM Clock GND LEVEL MCLK IC201 PIN 35 ...
Страница 110: ......
Страница 112: ...3 132 3 133 2 DSP CIRCUIT DIAGRAM No Power No operation DSP IC RESET IC SDRAM R259 0Ω ...
Страница 114: ...3 136 3 137 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...