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2-34
ONE POINT REPAIR GUIDE
2. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR
“PLEASE WAIT” ON FRONT PANEL
When you turn on your set, it will “PLEASE WAIT” display on front panel, and it will not boot-up
normally.
2-6. IC504 (NAND FLASH MEMORY)
2-6-1.
Solution
Replace IC504 on MAIN board.
2-6-2. How to troubleshoot (Countermeasure)
1) Please check physical status of IC504 on your eyes.
2)
Check the VCC (3.3 V) of IC504 and if it’s normal, please replace IC504.
(Please make sure IC504 has proper program.)
3)
After changing it, if the set is still not booting :
- Check DDR IC (IC502, IC503) refer to item 2-7.
- Check MT8560 IC (IC501) refer to item 2-8.
2-6-3. Service hint (Any picture / Remark)
< Main board bottom view >
IC501
IC504
IC503
IC502
Содержание BH5140S
Страница 15: ...1 14 MEMO ...
Страница 63: ...2 48 WAVEFORMS 1 SYSTEM PART 1 IC501 MT8560 X TAL 27 MHz 1 1 ...
Страница 65: ...2 50 3 AUDIO PART 1 S PDIF CS8422_AUDIO_SPDIF IN 6 6 ...
Страница 66: ...2 51 4 AUDIO PART 2 I2S tjsr ijr syjr kh hW 7 8 9 10 7 8 9 10 ...
Страница 67: ...2 52 5 HDMI PART H_SDA 11 H_SCL 12 HDMI_CLK_N 13 HDMI_0_N 14 11 13 12 14 ...
Страница 85: ...2 88 2 87 2 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 86: ...2 90 2 89 3 AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 88: ...2 94 2 93 5 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 89: ...2 96 2 95 MEMO MEMO ...
Страница 91: ...3 2 MEMO ...
Страница 95: ...4 SPEAKER SECTION 4 1 FRONT CENTER REAR SPEAKER A600 Rear SPK A700 Center SPK A800 Front SPK ...
Страница 96: ...A900 4 2 PASSIVE SUBWOOFER ...
Страница 97: ...3 10 MEMO ...
Страница 109: ...4 12 MEMO ...