Sony RDR-GXD455 - Page 62

6-2
Key Operation or
Remote Control Error
Voltage on the Function Display Ass’y?
Check RM701 (Remocon module)
and IC601 (Pin 5)
Check power of front connector
(CON5 Pin 11)
Check the circuit around the clock
Check the circuit around
IC601 reset
Change IC701
No
Key operation such
as STOP, PLAY, OPEN
Check the circuit around the swith.
check the condition of commmunication
with Main Micom
(IC601 83-86, VFD STB, CLOCK
DATA-IN, DATA-OUT)
No
Yes
Check the circuit
around IC601 reset?
No
Yes
XT601 14.318MHz
oscillation
No
Yes
Yes
STOP, PLAY, OPEN
Key operation are
normal ?
Yes
Yes