No Power - Telefunken TK1409 Serivce Manual

Troubleshooting

5-2 No Power

5-2
No
Check the 125V,
13.0V B + Lines
Yes
No
Check IC802
Pin 9 (5V)
Check IC901 No
Pin 10(4V).
Yes
Check IC901
No
Pin 20 ; Stand-by : 0V
Normal : 5V
Check IC201, No
Pin 40 (H-out)
Check/Replace
IC801, D807,D808,
D809,D810,D802
Check/Replace
IC802 (KA7630)
Check/Replace
IC901, D902
Check/Replace
IC901, (µ-com).
Check/Replace
IC201, Q401, Q402.
Samaung Electronics