HT-RT3
16
3. The sound is not outputted
Check that the signal is outputted from
MAIN board IC1000:
pin 27, 28, 32 (CENTER speaker)
pin 35 (FRONT L speaker)
pin 39, 40 (FRONT R speaker)
Check that the signal is inputted to
MAIN board IC1001:
pin 24 (FRONT L, FRONT R speakers)
pin 25 (SUR L, SUR R speakers)
pin 27 (CENTER speaker, Subwoofer)
Check that the signal is outputted from
MAIN board IC1001:
pin 38, 39 (CENTER speaker)
pin 41 (FRONT L speaker)
pin 43 (FRONT R speaker)
pin 45 (SUR R speaker)
pin 47 (SUR L speaker)
pin 48, 49 (Subwoofer)
Yes
Yes
Check that the signal is outputted from
MAIN board IC1002:
pin 27, 28, 32 (Subwoofer)
pin 35 (SUR R speaker)
pin 39, 40 (SUR L speaker)
Yes
No
Check the Subwoofer, Bar speaker
(FRONT L, FRONT R, CENTER
speakers) and Surround speaker
(SUR L, SUR R speakers) are
functionable.
Yes
Replace the speaker which is not
functionable.
No
Replace MAIN board IC1002.
No
No
Replace MAIN board IC1001.
No
Replace MAIN board IC1000.
Replace complete MAIN board.
Ver. 1.4