Check input c onnect JK600, JK601, JK602,
JK603
Can you see the normal waveform?
Check DDC commu nication lin es(IC600,
IC601)
Check th e in put o f HDMI Switch (IC600)
This sign al is TMDS.
Can you see the normal waveform?
YES
YES
NO
JK600, JK60 1, JK602, JK 603
may have problem. Rep lace th is Jack.
Check th e output of HDMI Switc h(IC600).
Can you see the normal waveform?
YES
YES
NO
After ch eckin g the trace o f TMDS lin es and po wer of
HDMI Switch, you should decide to replace HDMI
Switch or not .
NO
NO
After ch eckin g the Power of th is ch ip, you
should decide to replace this or not.
After ch eckin g the Power of HDMI Switch y ou
should decide to replace HDMI S witch or not.
YES
Check HDCP co mmu nicatio n lin es(IC601)
NO
After ch eckin g the Power of th is ch ip, you
should decide to replace this or not.
Check th e output of Main IC(IC100).
Especially you sh ould ch eck
The H,V sync and c lock.
Can you see the normal waveform?
YES
NO
After ch eckin g the Power of Main IC(IC100) you
should decide to replace Main IC or not .
This bo ard has big problem because Main
IC(IC100) have some troubles.
After c hecking thoroughly all path once again,
You shou ld decid e to rep lace Main Bo ard or no t.
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