Sony STR-ZA1000ES Service Manual page 35

A
– From the page 34 –
NG
Press the Press the [
[MULTI ST.] button the remote commander once,
to select the and the sound is outputted from
"MULTI ST.", and this unit.
the sound by
various source
(example: coaxial
input, analog input)
Explain the settings of this unit
is outputted from
to the customer.
all the channels
(FL/FR/SL/SR/
SBL/SBR/C/SW).
OK
The sound from the coaxial
input is outputted.
OK
The sound from the optical
input is outputted.
OK
B
– Continued the page 36 –
NG
] button on
OK
NG The "COAX" is displayed on the
fluorescent indicator tube.
OK
NG
The "OPT" is displayed on the
fluorescent indicator tube.
OK
C
– Continued the page 36 –
STR-ZA1000ES/ZA2000ES/ZA3000ES
In the "SPECIAL MODE" (refer
to page 31), the DSP S.FLASH
version is not "0.00".
OK
NG Check the IC2102, IC2105 on
the AUDIO board and the
surrounding circuit, and replace
the defective parts.
NG
Check the IC2103, IC2104 on
the AUDIO board and the
surrounding circuit, and replace
the defective parts.
NG
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
OK
• 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.
• 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.
NG
35