Troubleshooting
Samsung Electronics
5-9
SPD output is normal?
(SIC1-35)
Yes
SIC3-2 output(FG)
is normal?
Yes
SIC3-9 signal
MON is "H"?
Yes
Micom(MIC1) error
Check SIC3
Abnormal rotation of
Abnormal rotation of
disc motor
disc motor
No
No
No
No
No
No
MIC1-84,85 is
Open;"L","L"?
Close;"H","H"?
Yes
Yes
No
Check SIC3-35,36
output open/close
Yes
No
Check signal line state from
SIC3-35,36 to tray motor.
No Tray open/close
No Tray open/close
RIC1-70 output
are normal?
Yes
Check path to RIC1 and SIC1
After resoldering SIC1
Check SIC3 soldering and power
Check SIC1, MIC1.
Check or replace disc motor
Check RIC1 doldering and power
Input of RF signal
is normal?(SIC1-15)
RIC1-71 output
is normal?
Yes
Check RIC1 peripheral
circuit and A,B,C,D
Summary of Contents for DW21G5VDX/BWT
Page 63: ...Block Diagrams 8 6 Samsung Electronics MEMO ...
Page 64: ...Schematic Diagrams 9 1 Samsung Electronics 9 1 POWER BLOCK 010 006 008 011 012 007 005 013 ...
Page 65: ...Schematic Diagrams 9 2 Samsung Electronics MICOM 010 006 008 011 012 007 005 013 ...
Page 66: ...Schematic Diagrams 9 3 Samsung Electronics H V DRIVE 024 024 022 020 019 017 016 015 014 018 ...
Page 68: ...Schematic Diagrams 9 5 Samsung Electronics 9 2 MASTER ...
Page 69: ...Schematic Diagrams 9 6 Samsung Electronics 9 3 CHROMA ...
Page 70: ...Schematic Diagrams 9 7 Samsung Electronics 9 4 CRT 9 5 A V ...
Page 71: ...Schematic Diagrams 9 8 Samsung Electronics 9 6 INTERPACE ...
Page 72: ...Schematic Diagrams 9 9 Samsung Electronics 9 7 CONTROL ...
Page 73: ...Schematic Diagrams 9 10 Samsung Electronics 9 8 SOUND ...
Page 74: ...Schematic Diagrams 9 11 Samsung Electronics 9 9 Main Micom DVD ...
Page 75: ...Schematic Diagrams 9 12 Samsung Electronics 9 10 SERVO ...
Page 76: ...Schematic Diagrams 9 13 Samsung Electronics 9 11 AV DECODER ...
Page 77: ...Schematic Diagrams 9 14 Samsung Electronics 9 12 DECK SERVO ...
Page 81: ...Schematic Diagrams 9 18 Samsung Electronics ...
Page 82: ...ELECTRONICS Samsung Electronics Co Ltd Jan 2001 Printed in Korea 3C16A 2101 ...