4. AUDIO OUTPUT IS SMALL OR NO AUDIO OUTPUT
When disc is played, audio signal is small or audio output is not.
4-1. Solution
replace ic803 on main board.
4-2. How to troubleshoot (Countermeasure)
1) Please check the ic803 on your eyes.
2) check the 1.2vrMS level of #20 pin of ic803.
if the 1.2vrMS is ok, check c806 (vBiaS).
3) if the set is still no audio output, try to change ic803.
4-3. Service hint (Any picture / Remark)
3-74
2010
ONE POINT REPAIR INSTRUCTION
Summary of Contents for BD550
Page 11: ...MEMO 1 10 2010 ...
Page 93: ...1 System Part 1 7630 XTAL 27MHz 1 1 3 78 2010 WAVEFORMS ...
Page 97: ...5 AUDIO PART S PDIF 7630_AUDIO_SPDIF 14 14 17 11 12 3 82 2010 ...
Page 98: ...6 HDMI PART H_SDA 15 H_SCL 16 HDMI_CLK_N 17 HDMI_0_N 18 4 15 17 18 16 19 20 3 83 2010 ...
Page 99: ...7 MICOM I F PART 17 18 19 20 Tx0 19 Rx0 20 3 84 2010 ...
Page 107: ...3 92 2010 MEMO ...
Page 125: ...3 127 3 128 MEMO MEMO ...
Page 137: ...4 12 2010 2 IC704 R2A30209SP W02Z SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Page 141: ...4 16 2010 MEMO ...