3-38
ONE POINT REPAIR GUIDE
When you turn on your set, it will display “HELLO” on front panel, and it will not boot-up nor-
mally.
3-8. IC601 ~ IC602 (DDR3 MEMORY)
3-8-1.
Solution
Replace IC601 ~ IC602 on main board.
3-8-2. How to troubleshoot (Countermeasure)
1) Please check 0.75 V of DDR2_0_VREF.(between C645 and C646).
Please check 0.75 V of DDR2_1_VREF.(between C647 and C648).
Please check 1.5 V of C632.
2) If it doesn’t work even though IC201,IC202,IC203, IC207 are no problem,
IC601, IC602(DDR memory) could have problem.
3) After changing it, if the set is still not booting:
- Check MT8550L IC(IC501) refer to item 3-8.
- Check main board refer to item 3-9.
3-8-3. Service hint (Any picture / Remark)
< Main board top view >
< Main board top view >
< Main board bottom view >
DDR2_0_VREF
DDR2_1_VREF
IC602
IC601
Содержание BD630
Страница 11: ...1 10 MEMO ...
Страница 69: ...3 54 WAVEFORMS 1 SYSTEM PART 1 1 IC501 IC501 MT8550LBAG X TAL 27 MHz 1 ...
Страница 71: ...3 56 3 VIDEO PART 100 FULL COLOR BAR CVBS 6 COMP_Y 7 COMP_Pb 8 COMP_Pr 9 6 7 8 9 ...
Страница 72: ...3 57 10 4 AUDIO PART S PDIF MT8550_AUDIO_S PDIF 10 ...
Страница 73: ...3 58 5 HDMI PART H_SDA 11 H_SCL 12 HDMI_CLK_N 13 HDMI_0_N 14 11 12 13 14 ...
Страница 74: ...3 59 MEMO ...
Страница 76: ...3 61 1 2 3 4 5 ...
Страница 83: ...3 68 MEMO ...
Страница 85: ...3 72 3 71 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 2 MAIN POWER CIRCUIT DIAGRAM ...
Страница 86: ...3 74 3 73 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 3 MAIN MPEG CIRCUIT DIAGRAM ...
Страница 87: ...3 76 3 75 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 4 MAIN DDR MEMORY CIRCUIT DIAGRAM ...
Страница 88: ...3 78 3 77 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 5 MAIN SERVO CIRCUIT DIAGRAM ...
Страница 89: ...3 80 3 79 A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 6 MAIN A V OUTPUT CIRCUIT DIAGRAM ...
Страница 91: ...3 84 3 83 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 93: ...3 88 3 87 3 LED P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 105: ...4 12 2 IC704 R2A30209SP W02Z SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Страница 109: ...4 16 MEMO ...