Read Sony STR-DN1030 (serv.man2) Service Manual online
STR-DN1030
5
Check that the sound from the
HDMI input is outputted.
Perform the “SOFTWARE
VERSION DISPLAY MODE”
(refer to page 13 on the
original service manual),
and check that the video
micro
‐processor
version is not “0.00”.
Check that voltages of the connector
pins on the D
‐VIDEO NW board are
the following value.
D
‐VIDEO NW board :
CN3509 pin1,2 : +4V
CN3509 pin3,4 : +6V
CN3509 pin5,6 : +3.3V
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
DCDC board:IC1500,IC1600,IC1700
STANDBY board: F940,F941
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
D
‐VIDEO NW board :IC3517
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
D
‐VIDEO NW board : IC3003
DIGITAL board: IC2105
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
D
‐VIDEO NW board :X3000
Check that voltage of the following
pin is 3.3 V.
D
‐VIDEO NW board :IC3517
pin4: 3.3V(VOUT)
Check that voltage of the
following pin is 3.3 V.
D
‐VIDEO NW board :IC3000
pin39: 3.3V(RESET)
Check that the X3000 on the
D
‐VIDEO NW board is oscillated
normally.
Check the following parts and the
surrounding circuit, and
exchange the defective parts.
D
‐VIDEO NW board :IC3000
Check the following parts and the
surrounding circuit, and
exchange the defective parts.
D
‐VIDEO NW board :
IC3521,IC3519
Check that voltage of each
power supply terminal of the
IC3500 on the D
‐VIDEO NW
board is normal.
(Example: pin2: 1.2V
pin7: 3.3V pin28: 5V
– Continued
on page 6 –
– Continued
on page 7 –
OK
OK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG
Flow of Repair (when sound is not outputted) (4/6)
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