Sony STR-DH590, Руководство по обслуживанию

Страница: 35 / 70

STR-DH590
35
The sound from
the HDMI input is
outputted.
NG NG NG
In the “SOFTWARE VERSION
DISPLAY MODE” (refer to page
29), the OSD software version
is not “0.00”.
The voltage of the following
pins are the following value.
H59-DIGITAL board: CN3800
pin 3 : 3.3 V
pin 4 : 2.15 V
pin 5 : 4.5 V
pin 6 : 6.3 V
Replace the H59-DIGITAL
board.
Check the following parts and
the surrounding circuit, and
replace the defective parts.
DCDC board: F1701, F1702,
IC1801, IC1841
OK
OK
OK
NG
NG
The sound is outputted from
each speaker, when the sound
field is “MULTI ST.”.
The speaker pattern setting is
correct.
Check the surrounding circuit
of power transistor (Q120,
Q121, Q130, Q131, Q140,
Q141, Q150, Q151, Q160,
Q161 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/C on the MAIN
board), and replace the
defective parts.
C
– From the page 34 –
Explain the settings of this unit
to the customer.
OK
NG
The data is outputted from the
following pins.
H59-DIGITAL board:
CN6002 pin 1, 3, 4, 6, 7 ,9
OK
The data is intputted to the following
pins.
MAIN board: IC104 pin 42 to 47
OK
Check the surrounding circuit of the
power transistor (Q120, Q121,
Q130, Q131, Q140, Q141, Q150,
Q151, Q160, Q161 on the MAIN
board) and surrounding circuit of the
power amplifer (Q126, Q136, Q146,
Q156, Q166 on the MAIN board),
and replace the defective parts.
Replace the H59-DIGITAL board.
NG Check the IC104 on the MAIN board
and the surrounding circuit, and
replace the defective parts.
D
– From the page 34 –