2-83
ONE POINT REPAIR GUIDE
When you turn on your set, it will blank / no message or “PLEASE WAIT” display on front panel,
and it will not boot-up.
3-3. IC150 (NO 1.2 V)
3-3-1.
Solution
Replace IC150 on MAIN board.
3-3-2. How to troubleshoot (Countermeasure)
1) Please check 1.2 V of C1C8 on MAIN board.
2) If 1.2 V voltage doesn’t come out, check IC150 pin2 (Vcc 14 VA).
3) If V input pin2 of IC150 is not 14 V.
First, check CN150 and if there’s no defective component, please check SMPS board.
Second, If 14 VA input is normal, first of all check the 1.2 V_CTRL is high(IC101 pin60).
4) After fixing it, if the set is still not booting:
Check L151, R1A3, C1C7, R1A1 and finally check IC150 or replace.
5) After fixing it, if the set is still not booting:
- Refer to the next page for checking another power source. (3.3 V, 1.5 V)
- Check Crystal X500 refer to item 3-5.
- Check NAND flash IC (IC506) refer to item 3-6.
- Check DDR IC (IC502, IC503) refer to item 3-7.
- Check BCM7633 IC (IC500) refer to item 3-8.
3-3-3. Service hint (Any picture / Remark)
< MAIN board top view >
IC150
L151
C1C8
Содержание HX966TZ
Страница 120: ...2 107 X101 20 MHz 3 X200 24 57 MHz 4 X500 27 MHz 1 X802 28 63 MHz 2 WAVEFORMS 1 SYSTEM PART 1 X TAL 1 2 4 3 IC500 IC101 ...
Страница 121: ...2 108 2 SYSTEM PART 2 DDR3 MEMORY DDR3_BA0 5 DDR3_nWE 6 DDR3_nCAS 7 DDR3_CLK01_P 8 IC500 5 6 7 8 ...
Страница 122: ...2 109 3 VIDEO PART 100 FULL COLOR BAR COMPOSITE 9 COMP_Y 10 COMP_Pb 11 COMP_Pr 12 11 12 10 9 ...
Страница 123: ...2 110 HPD_TX 13 DDC_SDA 14 DDC_SCL 15 TXC 16 15 14 16 13 4 HDMI PART ...
Страница 124: ...2 111 5 MICOM AND MPEG I F PART BCM_nRESET 17 18 19 17 MICOM_UART_RX2 18 MICOM_UART_TX2 19 ...
Страница 125: ...2 112 MEMO ...
Страница 152: ...2 166 2 165 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW ...
Страница 153: ...2 168 2 167 MAIN P C BOARD DIAGRAM BOTTOM VIEW ...
Страница 155: ...2 172 2 171 3 AMP P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...
Страница 159: ...3 2 MEMO ...
Страница 162: ...3 7 A700 3 SPEAKER SECTION 3 1 CENTER SPEAKER EXPLODED VIEW ...
Страница 163: ...3 8 A800T A800M A800B 851 Screw 16ea 852 Screw 4ea 850 852 851 3 2 FRONT REAR SPEAKER EXPLODED VIEW ...
Страница 164: ...3 9 A900 3 3 PASSIVE SUBWOOFER EXPLODED VIEW ...
Страница 177: ...4 12 2 DRIVE IC R2A30209SP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Страница 181: ...4 16 MEMO ...