SAMSUNG 192MP
Instrukcja Serwisowa

5 Troubleshooting

5-4 No Sound
Does a signal appear at Pin 67 (Tuner sound signal), 56, 57 (PC sound) of IC702 (MSP3425G) and Pin 3, 10 (Video sound) of IC705 and Pin 2, 9 (DTV sound) of IC706? Yes

No

Check CN703 (PC sound), CN307 (Video sound) and CN303, CN304 (DTV sound).

Does a signal appear at Pin 27, 28 of IC702 (MSP3425G)?

No

Check IC702 and related circuit.

Yes Does a signal appear at Pin 1, 2 of CN701 and Pin 1, 3 of CN702? Yes No

19

Check IC704 (Audio amp) and related circuit.

Replace the speaker.

192MP

5-7