Read Sony STR-DN1030 (serv.man2) Service Manual online
SERVICE MANUAL
SUPPLEMENT-1
1
STR-DN1030
9-890-604-81
US Model
Canadian Model
AEP Model
UK Model
Australian Model
Brazilian Model
Mexican Model
Ver. 1.3 2013.01
File this supplement with the service manual.
Subject: Addition of SERVICING NOTES (TROUBLESHOOTING)
STR-DN1030
2
SECTION 1
SERVICING NOTES
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START
Check that the “PROTECT” is
not displayed on the
fluorescent indicator tube.
OK
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Check that voltage of the
following pin is 3.3 V.
DIGITAL board:
IC2105 pin 87 (PROTECTOR)
Check that the defect is not
improved, even if you do
the following works.
1. Short
‐circuit the both
ends of the C2112 on the
DIGITAL board.
2. Perform the “SHIPMENT
MODE” (refer to page 13 on
the original service manual).
Check the IC2105 on the
DIGITAL board and the
surrounding circuit, and
exchange the defective
parts.
Check the surrounding circuit of power
transistor (example: Q703 on the MAIN
board) and the surrounding circuit of
power amplifier IC (example: IC701
on the MAIN board), and
exchange the defective parts.
– Continued on
page 3 –
Check that the following
fuses are not damaged.
MAIN board: F912, F913
STANDBY board: F901
Check that the power transistor
(example: Q703 on the MAIN
board), the power amplifier IC
(example: IC701 on the MAIN
board) and the surrounding
circuit are not defect.
Check that the surrounding
circuit of current detect
(example: Q711 and Q712 on
the MAIN board) is not defect.
Check the surrounding circuit
of protector (example: Q320 on
the MAIN board), and exchange
the defective parts.
Check that between the +59 V line/–59 V
line and the ground does not short circuit.
Check the surrounding circuit of power
transistor (example: Q703 on the MAIN
board) and the surrounding circuit of
power amplifier IC (example: IC701
on the MAIN board), and exchange the
defective parts.
Check the surrounding circuit,
and exchange the defective parts.
Measure the power transistor
(example: Q703 on the MAIN board)
with a tester, and check the following
things.
1. Check that the circuit does not short-
circuit.
2. Check that resistance is normal.
Check the surrounding circuit,
and exchange the defective parts.
Measure the power amplifier IC (example:
IC701 on the MAIN board) with a tester,
and check the following things.
1. Check that between the power supply
line and the ground does not short
‐circuit.
2. Check that resistance is normal.
TROUBLESHOOTING
Flow of Repair (when sound is not outputted) (1/6)
STR-DN1030
3
Press the [A.F.D.] button
to select the “MULTI ST”,
and check that the sound
by various sauce
(example: coaxial input,
analog input) is outputted
from all the channels (FL/
FR/SL/SR/SBL/SBR/C/SW).
Check that sound occurs
from the RY921 on the MAIN
board by inserting and
removing headphone.
Check the following parts and the
surrounding circuit, and exchange the
defective parts.
DIGITAL board: IC2105 HP board: J101
MAIN board: Q375, RY921
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
DIGITAL board: IC2105
DSP board: IC5001, IC5002, X5000
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
DIGITAL board:
IC2105, IC2806, X2801
Check the following parts and
the surrounding circuit, and
exchange the defective parts.
DIGITAL board:
IC2010, IC2817, IC2818
DSP board: IC5003
Check that voltage of pins of the
CN2608 on the DIGITAL board is
the following value.
pin 45 : 2.5 V pin 47 : 3.3 V
Check that data is outputted from the
following pins.
DIGITAL board: IC2806 pin 16, 19, 20, 21
Check the following parts and the
surrounding circuit, and exchange the
defective parts.
DIGITAL board: IC2105
DSP board: IC5000, IC5001
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
DIGITAL board: IC2105, IC2123
Check the following parts and the
surrounding circuit, and exchange
the defective parts.
DIGITAL board: IC2105
MAIN board: IC400
Perform the “SOFTWARE VERSION DISPLAY
MODE” (refer to page 13 on the original
service manual), and check that the DSP
version is not “0.00”.
Press the [MUTING] button on
the remote commander once,
and check that the sound is
outputted from this unit.
Explain the settings of this unit
to the customer.
Check that data is outputted from
the following pins.
DSP board: IC5001 pin 73, 86, 88, 94
Check that data is outputted from
the following pins.
DIGITAL board: IC2123
pin 15, 16, 19, 20, 21, 22, 26, 27
Check that data is inputted to the
following pins.
MAIN board: IC400
pin 63, 66, 68, 70, 71
– Continued
on page 4 –
Check the surrounding circuit of power
transistor (example: Q703 on the MAIN
board) and the surrounding circuit of
power amplifier IC (example: IC701
on the MAIN board), and exchange the
defective parts.
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Flow of Repair (when sound is not outputted) (2/6)
STR-DN1030
4
Flow of Repair (when sound is not outputted) (3/6)
Check that the sound from the
coaxial input is outputted.
Check that “COAX” is displayed
on the fluorescent indicator tube.
Check the following parts and
the surrounding circuit, and
exchange the defective parts.
DIGITAL board: IC2303, IC2806
Check the following parts and the
surrounding circuit, and exchange the
defective parts.
DIGITAL board: IC2351, IC2352, IC2806
Check the IC5001 on the DSP board,
the communication line with the
IC2105 on the DIGITAL board and
the surrounding circuit, and
exchange the defective parts.
Check that the playback channel
of speakers is displayed on the
fluorescent indicator tube.
Check the following parts and the
surrounding circuit, and
exchange the defective parts.
DIGITAL board: IC2123
Check that “OPT” is displayed
on the fluorescent indicator
Check the following parts and
the surrounding circuit, and
exchange the defective parts.
DISPLAY board: J100
MAIN board: IC400,J401,J402
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”.
– Continued
on page 5 –
OK
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