Sony RMT-D254A Service Manual page 65

Key Operation or
Remote Control Error
Voltage on the
Function Display Ass'y?
Yes
XT60 1
14.318MHz
oscillation
Yes
Check
the circuit
around 6MICO1 reset?
Yes
Key
operation such as
STOP,PLAY,OPEN
Yes
Check feedback IC 1S01
No Check power of front connector
(CN702(PIN11))
No
Check the circuit around the clock
Check the circuit around
No
6MICO1 reset
Check the circuit around the swith.
check the condition of commmunication
with Main Micom
No
(6MICO1 21~24,VFD STB, CLOCK
DATA-IN,DATA-OUT)
6-2
Yes
STOP,PLAY,OPEN
Key operation are
normal?
Yes
Change IC70 1