Samsung TX20C53X/XET Service Manual page 90

6-29 Audio Missing In Rec Mode (Hi-Fi)
PLACE VCR IN REC MODE
ICM501-18PIN
INPUT SIGNAL
CYLINDER ASSY
Samsung Electronics
No
REC - FM
Yes
CHECK
No
ICM501-52,
61 PIN
Yes
Check
CHECK
ICM501- 31,32;CLOCK DATA
- 14,20,30,36,51;5V
- 60;9V
CHECK TV NICAM PART
ICM02
Troubleshooting
Yes
REPLACE ICM501
6-23