Troubleshooting
Samsung Electronics
6-7
6-8 No Playback
Normal
NO
Normal
OK
Normal
Insert a video tape and
start PLAYBACK
Check the tape loading
Check
ICM601 Pin 13,14
(Start/end sensor)
Check the tape
Check
the Rotation of Cylinder
Check
ICM601 Pin 24
(SW 30Hz)
Check the rotation
of capstan
Check ICM601
Pin 84, 85
Check :
ICM601 Pin 18 : High
ICM601 Pin 17 : Low
Check
ICM601 Pin 4, 5, 6
( PROG, SW)
Replace ICM601
Replace ICM601
Normal
Normal
Abnormal
Normal
Abnormal
Abnormal
Refer to "Cylinder
doesn't rotate"
Abnormal
Check ICM601
Pin 3 8(D-FG)
and Pin 39 (D-PG)
Abnormal
Refer to "Capstan
doesn't Rotate"
Abnormal
Check PTM602, PTM601,
T-Reel takeup sensor
Stop Mode
Check the
loading motor
Summary of Contents for TT20A54X/XAX
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd APR 1999 Printed in Korea 3V15A 2001 ...
Page 50: ...PCB Layout Samsung Electronics 11 3 11 3 Main CONTROL ...
Page 51: ...10 Wiring Diagram Wiring Diagram Samsung Electronics 10 1 ...
Page 54: ...Schematic Diagrams 12 3 Samsung Electronics 12 3 VCR POWER BLOCK ...