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Standard Repair Process Detail Technical Manual
Error symptom
Content
Checking order
1. Check IR cable condition between IR & Main board
2. Check the stand-by 3.5V on the terminal M1.
3. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog
Tester needle moves slowly, and defective when it does not move at all.
C. Function error
IR Cable operation checking method
Established
date
Revised
date
M7
M4
M3
M1
M6
M5
JK4100
A14
JK6021
GND
+3.5V_ST
NC
IR
EYE_SCL
EYE_SDA
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Only training and service purposes.
A14
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