4-3
ELECTRICAL TROUBLESHOOTING GUIDE
System Check.
OK
Go to “Tray operating is abnormal”
NO
Does tray
operate normally?
Load tray without inserting disc.
YES
Go to “Sled operating is abnormal”
NO
Does Pick-up move to
Inside or outside?
YES
Go to “Focus actuator operating is abnormal”
NO
Does Pick-up lens move
up/down?
YES
Go to “Laser operating is abnormal”
NO
Does laser turn on?
YES
• Replace the traverse assembly. (Pick-up)
• Check the new firmware version .
NO
Does BD/DVD-ROM
disc play rightly?
YES
YES
2. SYSTEM CHECK
Содержание XV-BP1B
Страница 13: ...2 6 MEMO ...
Страница 54: ...3 41 3 Video Part 1 100 Full Color bar 7 9 10 8 11 14 CVBS_I 7 Y 8 Pb 9 Pr 10 ...
Страница 55: ...3 42 4 Video Part 2 100 Full Color bar 9 8 11 14 13 12 CVBS 11 COMP_Y 12 COMP_Pb 13 COMP_Pr 14 ...
Страница 56: ...3 43 5 AUDIO PART S PDIF 15 17 16 18 19 21 ASPDIF 15 ...
Страница 57: ...3 44 6 HDMI PART 17 16 18 19 21 20 HDMI_SDA 16 HDMI_SCL 17 HDMI_CLK 18 HDMI_DATA 19 ...
Страница 58: ...3 45 7 FRONT I F PART 21 20 T_TX 20 R_RX 21 ...
Страница 59: ...3 46 BLOCK DIAGRAMS 1 OVERALL BLOCK DIAGRAM ...
Страница 60: ...3 47 2 SMPS BLOCK DIAGRAM ...
Страница 61: ...3 48 3 SYSTEM BLOCK DIAGRAM ...
Страница 62: ...3 49 4 MT8520 DDR2 SDRAM NAND FLASH EEPROM BLOCK DIAGRAM ...
Страница 63: ...3 50 5 MT8520 HDMI ETHERNET USB AV BLOCK DIAGRAM ...
Страница 65: ...3 52 7 SMPS POWER SIGNAL BLOCK DIAGRAM ...
Страница 66: ...3 53 8 MAIN BOARD POWER SIGNAL BLOCK DIAGRAM ...
Страница 68: ...3 55 10 LEVEL SHIFTER CEC EFUSE BLOCK DIAGRAM ...
Страница 69: ...3 56 MEMO ...
Страница 71: ...3 60 3 59 2 POWER TIMER USB CIRCUIT DIAGRAM ...
Страница 72: ...3 61 3 62 3 MT8520 1 CIRCUIT DIAGRAM ...
Страница 73: ...3 63 3 64 4 MT8520 2 CIRCUIT DIAGRAM ...
Страница 74: ...3 65 3 66 5 KEY CIRCUIT DIAGRAM ...
Страница 75: ...3 67 3 68 6 TIMER CIRCUIT DIAGRAM ...
Страница 76: ...3 69 3 70 7 DDR2 SDRAM CIRCUIT DIAGRAM ...
Страница 77: ...3 71 3 72 8 NAND FLASH ETHERNET CIRCUIT DIAGRAM ...
Страница 78: ...3 73 3 74 9 AV HDMI CIRCUIT DIAGRAM ...
Страница 79: ...3 75 3 76 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 80: ...3 77 3 78 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 81: ...3 79 3 80 3 KEY P C BOARD TOP VIEW 4 TIMER P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Страница 105: ...4 24 MEMO ...
Страница 106: ...4 26 4 25 CIRCUIT DIAGRAM ...
Страница 108: ...4 29 4 30 PRINTED CIRCUIT BOARD DIAGRAMS TOP VIEW ...
Страница 109: ...4 31 4 32 BOTTOM VIEW ...