46
NG
OK
NG OK
OK
NG
OK
OK
NG OK
OK
NG
OK
OK
Video 2
Is the IIC waveform of 135pin and 136pin
on QK01 normal?
Is communication of the data bus and
address line between QK03 and QK01
normal?
Are digital outputs of QK01 normal?
PC(0-9), PY(0-9), SD(0-9), SDVSYNC,
SDHSYNC, SDCLK (27MHz) and
SDCLK2 (27MHz)
Finish
Refer to “Check the Video encoder” or
“Check the HDMI PCB”.
Check the IIC waveform of 1pin on QK07
and QK08.
Check the soldering of RK28,
RK29, QK07 and QK08.
Replace QK07 or QK08.
Check the soldering of Q102 (57pin and
58pin), R160 and R161.
Refer to Refer to “3.1 Check the panel
microprocessor”.
Check the VD+3.3V voltage line.
Check the soldering of QK03,
RK14-26 and RK31-33.
Replace QK01 or QK03.
Check the soldering of LK03, CK30 and
CK31.
Check the soldering of QK01 (from 20 to
67 pin).
Replace QK01 or QK03.