Samsung TT20A54X/XAX Service Manual page 25

Troubleshooting
6-9 REC Doesn't Operate
Check
the PLAYBACK operation
Insert a tape and set to
the REW mode
Check if
the voltage of ICM601
Pin 78 is high
(D REC)
Refer to
"No REC Screen"
6-10 "FF" Doesn't Operate
Insert a tape
and operate "FF"
Check
ICM601 Pin 4, 5, 6
(PROG.SW)
Check
the rotation of
capstan
Check the Deck.
6-8
Abnormal
Normal
Abnormal
Normal
Stop
operate during Playback
Normal
Abnormal
"Capstan doesn't rotate"
Normal
Abnormal
Check
the tape takeout
Normal
Check the tape
Check ICM601
Refer to "Deck doesn't
Refer to
Check the logic of
ICM601 Pin 4, 5, 6
(PROG.A, B, C)
Samsung Electronics