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
Summary of Contents for HX966TZ
Page 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 ...
Page 123: ...2 110 HPD_TX 13 DDC_SDA 14 DDC_SCL 15 TXC 16 15 14 16 13 4 HDMI PART ...
Page 124: ...2 111 5 MICOM AND MPEG I F PART BCM_nRESET 17 18 19 17 MICOM_UART_RX2 18 MICOM_UART_TX2 19 ...
Page 125: ...2 112 MEMO ...
Page 152: ...2 166 2 165 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW ...
Page 153: ...2 168 2 167 MAIN P C BOARD DIAGRAM BOTTOM VIEW ...
Page 155: ...2 172 2 171 3 AMP P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...
Page 159: ...3 2 MEMO ...
Page 162: ...3 7 A700 3 SPEAKER SECTION 3 1 CENTER SPEAKER EXPLODED VIEW ...
Page 164: ...3 9 A900 3 3 PASSIVE SUBWOOFER EXPLODED VIEW ...
Page 177: ...4 12 2 DRIVE IC R2A30209SP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Page 181: ...4 16 MEMO ...