Read Sony STR-DH540 (serv.man2) Service Manual online
STR-DH540
4
Flow of Repair (when sound is not outputted) (3/5)
NG
NG
NG
OK
OK
OK
OK
OK
NG
NG
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Check the following parts and the surrounding circuit, and exchange the defective parts. DIGITAL board: IC2105, IC2107
Check the following parts and the surrounding circuit, and exchange the defective parts. MAIN board: IC2351, IC2352 DIGITAL board: IC2107
Check that “COAX” is displayed on the fluorescent indicator tube.
Check that “OPT” is displayed on the fluorescent indicator
Check the following parts and the surrounding circuit, and exchange the defective parts. DIGITAL board: IC2104
Check the following parts and the surrounding circuit, and exchange the defective parts. MAIN board: IC400, J401, J402
Check that the sound from the coaxial input is outputted.
Check that the sound from the optical input is outputted.
Check that the sound from the analog input is outputted, when the sound field is “A.F.D. AUTO”.
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