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
Summary of Contents for RDR-GX255
Page 36: ...1 26E MEMO ...
Page 40: ...2 4E MEMO ...
Page 42: ...3 4E MEMO ...
Page 44: ...4 1 DVD Main PCB 4 4 4 3 COMPONENT SIDE ...
Page 45: ...4 6 4 5 CONDUCTOR SIDE ...
Page 46: ...4 8 4 7 4 2 Front Main PCB COMPONENT SIDE ...
Page 47: ...4 10 4 9 CONDUCTOR SIDE ...
Page 48: ...4 12E 4 11 4 3 Function Timer PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 50: ...5 4 5 3 5 1 S M P S Front Main PCB ...
Page 51: ...5 6 5 5 5 2 Power Front Main PCB ...
Page 52: ...5 8 5 7 5 3 Logic Front Main PCB ...
Page 53: ...5 10 5 9 5 4 Function Jack VCR Front Main PCB ...
Page 54: ...5 12 5 11 5 5 MPEG Decoder DVD Main PCB ...
Page 55: ...5 14 5 13 5 6 A V Decoder DVD Main PCB ...
Page 56: ...5 16 5 15 5 7 In Out DVD Main PCB ...
Page 57: ...5 18 5 17 5 8 ATSC DVD Main PCB ...
Page 58: ...5 20 5 19 5 9 Tuner DVD Main PCB ...
Page 59: ...5 22 5 21 5 10 DV HDMI DVD Main PCB ...
Page 60: ...5 24E 5 23 5 11 Front Panel Function Timer PCB ...
Page 77: ...7 1 RDR GXD455 7 REPAIR PARTS LIST 7 1 Exploded Views 7 2 7 2 Electrical Parts List 7 3 ...