LG DKS-6000, Service Manual

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- 2-2 -
Check the I 2 s Signal of
IC601(2-CH IC)
Check the IC501
Check the output
signal of IC601
Check the IC602
Check the L, R of IC601
Check the L, R
Output of JK601.
OK
YES
YES
NO
NO
NO
YES
YES
YES
YES
Check the +5V of IC901
PIN 5, 10, 15, 17
Check the 5.2VA of
CN901 PIN16
Refer to Power circuit
Troubleshooting.
Check the PATTERN
Check the OSC of X901.
Check the IC902
Check the Oscillation
Check the Power (L
➞
H) of
IC901 PIN16
Check the IC901
YES
YES
NO
NO
NO
NO
YES
YES
YES
YES
YES
IC901 U-COM IC
TROUBLESHHOTING