Sony rdr-gxd455 Service Manual page 62

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3 7 63 1515 0
Key Operation or
Remote Control Error
Voltage on the Function Display Ass'y?
Yes
XT601 14.318MHz
oscillation
Yes
Check the circuit
around IC601 reset?
TE
L 13942296513
Yes
Key operation such
as STOP, PLAY, OPEN
Yes
Check RM701 (Remocon module)
and IC601 (Pin 5)
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No
Check power of front connector
(CON5 Pin 11)
No
Check the circuit around the clock
No
Check the circuit around
IC601 reset
Check the circuit around the swith.
check the condition of commmunication
No
with Main Micom
(IC601 83-86, VFD STB, CLOCK
DATA-IN, DATA-OUT)
STOP, PLAY, OPEN
Key operation are
Change IC701
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2 9
8
Q Q
3 6 7 1 3 1 5
Yes
normal ?
Yes
co
.
6-2
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9