7-1
RDR-VX410
7. TROUBLESHOOTING
Key Operation or
Remote Control Error
Is the measurement of
power with in normal value?
End repairs
Check power and front connector
Check the circuity around the clock
Check the circuity around
IC601 reset
Check the soldering around the
IC601
End
Change IC701
NO
NO
Key operatious such
as STOP,PLAY,OPEN
are normal?
Check the circuity around the swith.
check the condition of commmunication
with Main Micom
(IC601 42~45, VFD STB, CLOCK
DATA-IN,DATA-OUT)
NO
NO
YES
YES
Check the circuity
around IC601 reset?
Check the soldering
around IC601 good?
NO
YES
XT601 14.318MHz
oscillation is normal?
NO
YES
YES
STOP,PLAY,OPEN
Key operatious are
normal?
YES
F1S01 is normal?
BD01~04, ZD1S01~2
SHORT and OPEN
are normal?
Check feedback IC1S01
Change short circuited or
opened parts
Change fuse
Check 2'st Voltage
Replace Q1S01
NO
NO
Is there voltage at
Collector of
Q1S01
NO
YES
YES
YES
Operation of
Q1S01 is
normal?
NO
YES
No Power Detected
(stand by LED OFF)
Summary of Contents for RDR-VX410
Page 62: ...2 22 2 22E MEMO ...
Page 64: ...3 4E MEMO ...
Page 66: ...4 1 VCR Main PCB 4 4 4 3 COMPONENT SIDE ...
Page 67: ...4 6 4 5 CONDUCTOR SIDE ...
Page 68: ...4 8 4 7 4 2 DVD Main PCB COMPONENT SIDE ...
Page 69: ...4 10 4 9 CONDUCTOR SIDE ...
Page 70: ...4 12 4 11 4 3 Jack PCB COMPONENT SIDE ...
Page 71: ...4 14 4 13 CONDUCTOR SIDE ...
Page 72: ...4 16 4 15 4 4 DV Jack PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 73: ...4 5 Function Timer PCB COMPONENT SIDE CONDUCTOR SIDE 4 18 4 17 ...
Page 74: ...4 20E MEMO ...
Page 76: ... Block Identification of Main PCB 5 4 5 3 VCR MAIN PCB Component Side Conductor Side ...
Page 77: ...5 6 5 5 5 1 S M P S VCR Main PCB ...
Page 78: ...5 8 5 7 5 2 Power VCR Main PCB ...
Page 79: ...5 10 5 9 5 3 Logic VCR Main PCB ...
Page 80: ...5 12 5 11 5 4 A V VCR Main PCB ...
Page 81: ...5 14 5 13 5 5 Hi Fi VCR Main PCB ...
Page 82: ...5 16 5 15 5 6 OSD VCR Main PCB ...
Page 83: ...5 18 5 17 5 7 SECAM VCR Main PCB ...
Page 84: ...5 20 5 19 5 8 Function Timer Function Timer PCB ...
Page 90: ...5 32 5 31 5 14 MUX NICAM TM PDC SCART Front Jack JACK PCB ...
Page 91: ...5 34 5 33 5 15 ADC DAC VIC1 LA73054 BLOCK JACK PCB ...
Page 92: ...5 36 5 35 5 16 MTS Tuner JACK PCB ...
Page 93: ...5 38 5 37 5 17 Component Super Out JACK PCB ...
Page 94: ...5 40E MEMO ...