Sony TA-ZH1ES Service Manual page 29

3-2. No sound from USB-B input
In advance to check the following two points.
• If connecting the PC (personal computer) of the Windows OS,
the correct USB terminal driver is installed to the PC (personal computer).
• This unit is connected to the PC (personal computer) with a USB cable.
No sound from USB-B input.
Yes
The condition does not change even after
connecting the new POWER SUPPLY
board to the DIGITAL board.
Yes
No problems with the surroundings of the
USB-B connector (CN501) on the DIGITAL
board.
Yes
No problems with the surroundings of
IC508 on the DIGITAL board.
Yes
No problems with the surroundings of
IC503, IC504, IC506 on the DIGITAL board.
Yes
Sound is outputted from USB-B input.
Yes
End
No
Replace the POWER SUPPLY board to
new board.
Replace the parts around the USB-B
No
connector (CN501) on the DIGITAL board
to new parts.
Replace the parts around IC508 on the
No
DIGITAL board to new parts.
No
Replace the parts around IC503, IC504,
IC506 on the DIGITAL board to new parts.
No
Replace the DIGITAL board to new board.
Yes
Yes
Yes
Yes
Yes
TA-ZH1ES
29