3-37
ONE POINT REPAIR GUIDE
NO BOOTING WHEN YOU TURN THE UNIT ON
When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor,
and it will not boot-up.
3-9. Main board
3-9-1. Solution
Replace main board.
3-9-2. How to troubleshoot (Countermeasure)
1) Please remove IC501 and IC601.
And then check the impedance between each signal (DATA, ADDRESS and so on).
2) If there is some impedance (a few ohm or infinite ohm) especially power source trace,
PCB via might be broken. You’d better change main board.
3-9-3. Service hint (Any picture / Remark)
IC501 and IC601
< Main board top view >
IC501
IC601
Summary of Contents for BPM35
Page 59: ...3 46 WAVEFORMS OF MAJOR CHECK POINT 1 SYSTEM PART 1 IC501 X TAL 27 MHz 1 1 ...
Page 60: ...3 47 2 SYSTEM PART 2 SYSTEM MEMORY IC601 BA0 IC601 WE IC601 CAS IC601 CK 2 3 5 4 2 3 4 5 ...
Page 61: ...3 48 3 HDMI PART H_SDA H_SCL HDMI_CLK_N HDMI_0_N 9 8 7 6 6 7 8 9 ...
Page 63: ...3 50 BLOCK DIAGRAM ...
Page 83: ...4 12 ...