When you turn on your set, it will display “HELLO” on front panel, and it will not boot-
up normally.
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
3-39
ONE POINT REPAIR INSTRUCTION
Содержание BD530
Страница 11: ...MEMO 1 10 ...
Страница 70: ...1 SYSTEM PART 1 1 IC501 IC501 MT8550L BAG XTAL 27 MHz 1 3 55 WAVEFORMS ...
Страница 71: ...2 SYSTEM PART 2 SYSTEM MEMORY BA0 2 DWE 3 DCAS 4 DCK 5 IC601 IC602 2 5 4 3 3 56 ...
Страница 72: ...3 VIDEO PART 100 FULL COLOR BAR CVBS 6 COMP_Y 7 COMP_Pb 8 COMP_Pr 9 6 7 8 9 3 57 ...
Страница 73: ...4 AUDIO PART S PDIF MT8550_AUDIO_S PDIF 10 10 3 58 ...
Страница 74: ...5 HDMI PART H_SDA 11 H_SCL 12 HDMI_CLK_N 13 HDMI_0_N 14 11 12 13 14 3 59 ...
Страница 75: ...MEMO 3 60 ...
Страница 77: ...3 62 1 2 3 4 5 ...
Страница 85: ...3 71 3 72 2 MAIN POWER CIRCUIT DIAGRAM 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 ...
Страница 86: ...3 73 3 74 3 MAIN MPEG CIRCUIT DIAGRAM 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 ...
Страница 87: ...3 75 3 76 4 MAIN DDR MEMORY CIRCUIT DIAGRAM 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 ...
Страница 88: ...3 77 3 78 5 MAIN SERVO CIRCUIT DIAGRAM 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 ...
Страница 89: ...3 79 3 80 6 MAIN A V OUTPUT CIRCUIT DIAGRAM 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 ...
Страница 92: ...3 85 3 86 2 SMPS P C BOARD TOP VIEW 7 6 5 4 3 2 1 A B C D E F G H I J ...
Страница 105: ...4 12 2 IC704 R2A30209SP W02Z SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Страница 109: ...4 16 MEMO ...