Troubleshooting
5-12
Samsung Electronics
Check the remote
pules is input to ICD601
pin47?
Yes
Yes
Key or Rmote control
Key or Rmote control
doesn't Operate
No
No
Check the component and pattern
between CND004 and ICD601
Check VCC and X-TAL of
ICD601 (XTC601)
Check the specigications of CN001
pins 1~5,7,9 and TV MICOM
(IC901)
Check the key Desn't
Operate
Check 5V is output from the
QD103 emitter.
Check RMD701 located on the
Control Board
Check 5V is input
to CN004 pin 10
Key doesn't operate
Rmote control doesn't operate
When any key is
pressed, check an input data si
output from CN004
pins7,8,9?
Yes
Yes
When the remote
control operates,check the
remote pulse is input to
CN004 pim13?
Yes
No
No
No
Check 8MHz is
normaloscillated from
IC601 pin40,41?
(Check 8V is input to CND001 pin11)
5-14 T
robleshooting
Summary of Contents for DW21G5VDX/XEF
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...
