3-35
ONE POINT REPAIR GUIDE
When you turn on your set, it will display “HELLO” on front panel, and it will not boot-up normally.
3-6. IC603 (NAND FLASH MEMORY)
3-6-1.
Solution
Replace IC603 on main board.
3-6-2. How to troubleshoot (Countermeasure)
1) Please check physical status of IC603 on your eyes.
2) Check the Vcc(3.3 V) of IC603 and if it’s normal please replace IC603.
(Please make sure IC603 has proper program.)
3) After changing it, if the set is still not booting:
- Check DDR IC(IC601, IC602) refer to item 3-7.
- Check MT8560 IC(IC501) refer to item 3-8.
3-6-3. Service hint (Any picture / Remark)
< Main board bottom view >
IC603
Содержание BPM54
Страница 63: ...3 50 WAVEFORMS OF MAJOR CHECK POINT 1 1 SYSTEM PART 1 IC501 MT8560 X TAL 27 MHz 1 ...
Страница 64: ...3 51 2 SYSTEM PART 2 SYSTEM MEMORY IC601 BA0 2 IC601 WE 3 IC601 CAS 4 IC601 CK 5 2 3 5 4 ...
Страница 65: ...3 52 3 HDMI PART H_SDA 6 H_SCL 7 HDMI_CLK_N 8 HDMI_0_N 9 9 8 7 6 ...
Страница 69: ...3 56 MEMO ...
Страница 77: ...3 72 3 71 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 79: ...3 76 3 75 MEMO MEMO ...
Страница 91: ...4 12 MEMO ...