3-45
ELECTRICAL TROUBLESHOOTING GUIDE
No HMDI audio / video output
Check VCC 5 V from IC150.
Check hot plug detect
signal from TV.
Check IC501 MPEG IC Vcc
or replace IC501 MPEG IC.
YES
YES
YES
YES
NO
NO
NO
JK802 pin18
VCC 5 V OK?
JK802 pin19 HPD
about 3.3 V OK?
Is there signal on
pin1,3,4,6,7,9,10,12?
HDMI output OK.
3. NO HDMI OUTPUT
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 ...