Sony XR-55A95K Service Manual page 13

SELF DIAGNOSIS FUNCTION
Self Diagnosis Quick Reference ( Not LED blinking) – Record Only
Error Item
TU_DEMOD
TCON ERR
AUD_ERR_I2C <B> Audio amp I2C communication failure
TEMP_ERR_I2C <B/H> Temp sensor I2C communication failure
TU_DEMOD_I2C <B> Tuner & Demodulator I2C communication failure
EARC_ERR_I2C
8KBE_COM_ERR
8KSHV_ERR
AMB_ERR_I2C <B/H> Ambient sensor I2C communication failure
Notes :
<B>: Main board, <H>: LED / IR & sensor board
Detection Items
None
None
None
None
None
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SYS SET