Specifications

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 Trobleshooting