4-2
COMPONENT REPAIR GUIDE
1. ABNORMAL MD OPERATION
Abnormal disc reading or abnormal tray open/close.
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Replace new MD and test if it is operated normally.
1-1.
Component
1) Traverse assembly
2) FFC cable from MAIN board to MD
1-2. How to troubleshoot (Countermeasure)
1) Check the connection between main board and FFC cable,
2) Confirm the connection point.
3) If all the cable connections are normal, replace the traverse assembly.
1-3. Service hint (Any picture / Remark)
◊
After changing MD(Traverse assembly), you must perform "SA Reset".
Refer to the next chapter "How to use the SA reset function".
1-3-1. HB906/HB966 MD: BM12T (HL09LG MD APPEARANCE)
Pick-up
Sled / Spindle
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Summary of Contents for LHB976
Page 15: ...1 14 MEMO ...
Page 129: ...2 114 3 VIDEO PART 100 FULL COLOR BAR COMPOSITE 9 COMP_Y 10 COMP_Pb 11 COMP_Pr 12 11 12 10 9 ...
Page 130: ...2 115 HPD_TX 13 DDC_SDA 14 DDC_SCL 15 TXC 16 15 14 16 13 4 HDMI PART ...
Page 131: ...2 116 5 MICOM AND MPEG I F PART BCM_nRESET 17 18 19 17 MICOM_UART_RX2 18 MICOM_UART_TX2 19 ...
Page 161: ...2 176 2 175 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN SET P C BOARD 1 1 MAIN P C BOARD TOP VIEW ...
Page 162: ...2 178 2 177 MAIN SET P C BOARD MAIN P C BOARD BOTTOM VIEW ...
Page 164: ...2 182 2 181 MAIN SET P C BOARD 1 3 AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Page 169: ...3 2 MEMO ...
Page 172: ...3 7 A700 2 SPEAKER SECTION 2 1 CENTER SPEAKER EXPLODED VIEW ...
Page 174: ...3 9 A600 2 3 REAR SPEAKER EXPLODED VIEW ...
Page 175: ...3 10 A900 2 4 PASSIVE SUBWOOFER EXPLODED VIEW ...
Page 189: ...4 12 2 DRIVE IC R2A30209SP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Page 193: ...4 16 MEMO ...