Strong SRT8500 Service Manual page 12

5. In case of no MPEG and no OSD at the same time.
Check that 1Vp_p(0.7Vp_p for RGB) comes out normally from VIDEO PART(CVBS) of
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MAIN CPU.
7. In case of normal VIDEO SIGNAL flowing out but abnormal AUDIO SIGNAL.
Check that ADAC_L(U201 PIN2),ADAC_R(U201 PIN9) signals have normal inputting and
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outputting from MAIN CPU. The signal is linked to SCART.
RED
GREEN
CVBS
BLUE