Troubleshooting
Samsung Electronics
6-21
6-28 Audio Signal Missing After Recording
Check
ICM301, 80 pin : High
(Audio Head SW)
Check
FLM01 2 pin :
5V
No
Check
FLM501 6 Pin : MIN 40Vp-p
ICM301 5 pin :
3~5V
Check ICM301 63,64 pin :
(I
2
C CLK, data)
Yes
Yes
Yes
No
Check PC 5V Line
No
Check CM573, CM574,
CM572, RM572, RM573,
RM576, QM574, RM576
No
Check RM598, RM582,
RM569,RM570, CM578,
CM570, RM568
Check
ICM301 79 pin
Audio Signal
No
Replace ICM301
Check
ICM301 1 pin REC
audio signal
Yes
Yes
Check
Audio Signal in
E-E Mode
No
Check CNM001 6 pin :
REC Audio Signal
Yes
Yes
Place VCR in REC Mode
Replace CNM501
Check
ICM301 3 pin :
REC bias signal
No
Check RM585,
RM586, CM583
Yes
No
Check TV part
A/V SW or RF Block
Check
CNM501 1, 3 Pin
No
Check A/C
Head Assembly
Yes
Summary of Contents for TB531VCT1X/XSA
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd NOV 1998 Printed in Korea 3SCV11F 3115 ...
Page 8: ...MEMO 2 2 Samsung Electronics ...
Page 144: ...Wiring Diagram 11 2 Samsung Electronics 11 2 SCV11F Wiring Diagram ...
Page 146: ...Schematic Diagrams 12 2 Samsung Electronics 12 2 VCR SYSTEM BLOCK 4 3 1 5 2 6 ...
Page 148: ...Schematic Diagrams 12 4 Samsung Electronics 12 4 VCR POWER BLOCK ...
Page 149: ...Schematic Diagrams 12 5 Samsung Electronics 12 5 TV 1 4 RED POWER LINE BLUE SIGNAL LINE ...
Page 151: ...Schematic Diagrams 12 7 Samsung Electronics 12 7 TV 3 4 RED POWER LINE BLUE SIGNAL LINE ...