63
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-91
-
KEX-M8306ZT
Is B-UP ON?
BSENS terminal
Pin 75(IC601)
NO
Check +B
(Check a power supply.)
YES
Is ACC ON?
ASENS terminal
NO
Turn on ACC
(Check a power supply.)
Pin 73(IC601)
YES
Does illumination
come on?
NO
Check illumination circuit?
ILSENS terminal Pin 23(IC601)
DSSILL terminal Pin 51(IC601)
YES
Is PWR-ON enabled?
NO
Check PWRSW terminal
POWER Pin 55(IC601)
YES
Is voice output?
NO
Is amplifier connected
correctly?
YES
Is any sound of FM, AM and
TAPE (internal sources) output?
NO
Connect amp correctly
YES
Check encoder input.
ENC1+ Pin 53(IC601)
ENC1- Pin 54(IC601)
NO
Check the following terminals
SYSPW Pin 52(IC601)
AMPPW Pin 100(IC601)
SYSMUTE Pin 50(IC601)
MUTE Pin 49(IC601)
YES
Are FM and AM
sounds output?
NO
Check the following terminals
FMPW Pin 43(IC601)
AMPW Pin 44(IC601)
YES
Is TAPE sound output?
NO
Recheck hardware
YES
IsTAPE mechanical unit
operated normally?
NO
Check the following terminals
STBY Pin 85(IC601)
CM Pin 84(IC601)
SC1 Pin 83(IC601)
SC2 Pin 82(IC601)
YES
Check the following terminals
SYSPW Pin 52(IC601)
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