Troubleshooting
Samsung Electronics
6-21
6-27 Audio Signal Missing After Recording (MONO MODE)
Check
ICM301 pin 75:
5V
Yes
Yes
Yes
No
Check PC 5V Line
No
No
Replace ICM301
Check
ICM301 pin7 REC
audio signal
Check
ICM501 53pin
MONO out
No
Check ICM501 & Hi-Fi PART
Yes
Place VCR in REC Mode
Replace CNM302
Yes
No
Check TV part
NICAM Block (ICM02)
Check
CNM302 , Pin5
No
Check A/C
Head Assembly
Yes
Check
FLM501 Pin5 REC
bias signal
Check CM370, RM357, RM358
CM371, CM373, CM372,
QM312, RM359
Summary of Contents for TX20C53X/XET
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd SEP 2001 Printed in Korea 3C15C SESA 2125 ...
Page 91: ...Troubleshooting 6 24 Samsung Electronics MEMO ...
Page 92: ...Schematic Diagrams 11 1 Samsung Electronics 11 Schematic Diagrams 11 1 VCR 1 4 ...
Page 94: ...Schematic Diagrams 11 3 Samsung Electronics 11 3 VCR 3 4 TP01 TP02 TP03 TP04 TP05 ...
Page 95: ...Schematic Diagrams 11 4 Samsung Electronics 11 4 VCR POWER BLOCK ...
Page 96: ...Schematic Diagrams 11 5 Samsung Electronics 11 5 TV MAIN 1 4 Power Line Signal Line ...
Page 99: ...Schematic Diagrams 11 8 Samsung Electronics 11 8 TV MAIN 4 4 Power Line Signal Line ...
Page 100: ...Schematic Diagrams 11 9 Samsung Electronics 11 9 TUNER IF NICAM STEREO Power Line Signal Line ...
Page 101: ...Schematic Diagrams 11 10 Samsung Electronics 11 10 2 nd IF STEREO Power Line Signal Line ...