Sony STR-DN1080 Service Manual page 47

C
– From the page 46 –
The data is outputted from the
following pins.
MB-1613 board:
CN8000 pin 2, 3, 5, 6, 8 ,9, 11, 12
CN8003 pin 2, 3, 5, 6, 8 ,9, 11, 12
The data is intputted to the following
pins.
MAIN board: IC1414 pin 47 to 54
Check the surrounding circuit of the
power transistor (Q1550, Q1551,
Q1600, Q1601, Q1650, Q1651,
Q1700, Q1701, Q1750, Q1751,
Q1800, Q1801, Q1850, Q1851 on
the MAIN board) and surrounding
circuit of the power amplifer (Q1570,
Q1620, Q1670, Q1720, Q1770,
Q1820, Q1870 on the MAIN board),
and replace the defective parts.
NG
In the "SOFTWARE VERSION
The sound from
DISPLAY MODE" (refer to page
the HDMI input is
36), the OSD software version
outputted.
is not "0.00".
OK
The sound is outputted from
each speaker, when the sound
field is "MULTI ST.".
D
– From the page 46 –
OK
OK
NG
OK
NG
The speaker pattern setting is
normal.
OK
Check the surrounding circuit
of power transistor (Q1550,
Q1551, Q1600, Q1601, Q1650,
Q1651, Q1700, Q1701, Q1750,
Q1751, Q1800, Q1801, Q1850,
Q1851 on the MAIN board) of
the channel to which data is not
outputted and the surrounding
circuit of power amplifier circuit
(FL/FR/SL/SR/SBL/SBR/C on
the MAIN board), and replace
the defective parts.
NG
Replace the MB-1613 board.
NG Check the IC1414 on the MAIN
board and the surrounding circuit,
and replace the defective parts.
The voltage of the following
pins are the following value.
MB-1613 board: CN301
pin 3 : 4.5 V
pin 4 : 2.15 V
pin 5 : 6.2 V
pin 6 : 4.5 V
pin 7, 8, 9 : 2.15 V
pin 10 : 2.25 V
OK
Replace the MB-1613 board.
NG
Explain the settings of this unit
to the customer.
STR-DN1080/ZA810ES
NG
Check the following parts and
the surrounding circuit, and
replace the defective parts.
DCDC board: F940, IC1911,
IC1912, IC1913, IC1916
47
SYS SET