7-1
RDR-VX500
7. TROUBLESHOOTING
Check power and front connector
Check the circuity around the clock
Check the circuity around
IC601 reset
Check the soldering around the
IC601
Change IC701
NO
NO
Check the circuity around the swith.
check the condition of commmunication
with Main Micom
(IC601 83~86, VFD STB, CLOCK
DATA-IN,DATA-OUT)
NO
YES
YES
NO
YES
NO
YES
YES
STOP,PLAY,OPEN
Key operatious are
normal?
YES
Key Operation or
Remote Control Error
Is the measurement of
power with in normal value?
End repairs
Key operatious such
as STOP,PLAY,OPEN
are normal?
Check the circuity
around IC601 reset?
Check the soldering
around IC601 good?
XT601 14.318MHz
oscillation is normal?
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-VX500 (RDRVX500)
Page 10: ... 10 MEMO ...
Page 68: ...2 22E MEMO ...
Page 70: ...3 4E MEMO ...
Page 72: ...4 1 VCR Main PCB 4 4 4 3 COMPONENT SIDE ...
Page 73: ...4 6 4 5 CONDUCTOR SIDE ...
Page 74: ...4 8 4 7 4 2 DVD Main PCB COMPONENT SIDE ...
Page 75: ...4 10 4 9 CONDUCTOR SIDE ...
Page 76: ...4 12 4 11 4 3 Jack PCB COMPONENT SIDE ...
Page 77: ...4 14 4 13 CONDUCTOR SIDE ...
Page 80: ... Block Identification of Main PCB 5 4 5 3 VCR MAIN PCB Component Side Conductor Side ...
Page 81: ...5 6 5 5 5 1 S M P S VCR Main PCB MBRF10A0 MBRF10A0 ...
Page 82: ...5 8 5 7 5 2 Power VCR Main PCB MX IN5819 MX IN5819 ...
Page 83: ...5 10 5 9 5 3 Logic VCR Main PCB MX IN5819 MX OPTION MX OPTION ...
Page 84: ...5 12 5 11 5 4 A V VCR Main PCB ...
Page 85: ...5 14 5 13 5 5 Hi Fi VCR Main PCB ...
Page 86: ...5 16 5 15 5 6 Function Timer Function Timer PCB ...
Page 93: ...5 30 5 29 5 13 Mts Tuner JACK PCB ...
Page 94: ...5 32 5 31 5 14 AV IN OUT JACK PCB ...
Page 95: ...5 34 5 33 5 15 Component Super Out JACK PCB ...
Page 96: ...5 36E MEMO ...
Page 124: ...7 18E MEMO ...