Sony STR-ZA1000ES, Руководство по обслуживанию

Страница: 35 / 126

STR-ZA1000ES/ZA2000ES/ZA3000ES
35
OK
Press the
[MULTI ST.] button
to select the
“MULTI ST.”, and
the sound by
various source
(example: coaxial
input, analog input)
is outputted from
all the channels
(FL/FR/SL/SR/
SBL/SBR/C/SW).
NG
OK
OK
OK
NG
NG NG
Press the [ ] button on
the remote commander once,
and the sound is outputted from
this unit.
In the “SPECIAL MODE” (refer
to page 31), the DSP S.FLASH
version is not “0.00”.
NG The “COAX” is displayed on the
fluorescent indicator tube.
The voltage of the following
pins are the following value.
AUDIO board: IC2502
pin 4: 1.12 V to 1.2 V
pin 8 : 3.3 V
NG Check the IC2102, IC2105 on
the AUDIO board and the
surrounding circuit, and replace
the defective parts.
• Check that voltage of the
following pins are the
following value.
DCDC board: IC1761
pin 8 : 5 V
DCDC board: IC1981
pin 3: 1.8 V
• Check the IC1761 and IC1981
on the DCDC board and
surrounding circuit, and
replace the defective parts.
The sound from the coaxial
input is outputted.
NG NG
The “OPT” is displayed on the
fluorescent indicator tube.
Check the IC2103, IC2104 on
the AUDIO board and the
surrounding circuit, and replace
the defective parts.
The sound from the optical
input is outputted.
Explain the settings of this unit
to the customer.
• Check that the data is
outputted from the following
pins.
AUDIO board: IC2502
pin 38, 39, 40
AUDIO board: IC2503
pin 7
• Check the IC2503 on the
AUDIO board and
surrounding circuit, and
replace the defective parts.
OK
OK OK
OK
B
– Continued the page 36 –
C
– Continued the page 36 –
A
– From the page 34 –