Sony STR-ZA1000ES Service Manual page 37

D
– From the page 36 –
NG
The sound from In the "SPECIAL MODE" (refer
the HDMI input is to page 31), the VIDEO version
outputted. is not "0.00".
OK
The sound is outputted from
each speaker, when the sound
field is "MULTI ST.".
NG
SPARTA
OK
VIDEO COM
NG
The speaker pattern setting is
normal.
OK
Check the surrounding circuit of
power transistor (example:
Q600 on the AMP board) and
the power amplifier circuit
(example: Q620 on the AMP
board) of the channel to which
data is not outputted, and
replace the defective parts.
STR-ZA1000ES/ZA2000ES/ZA3000ES
The voltage of the following
pins are the following value.
DIGITAL board: CN1502
pin 1: 10.5 V
pin 3: 4 V
pin 4: 2.5 V
pin 5: 2 V
pin 6: 6.1 V
pin 7: 4 V
pin 8: 2 V
OK
The voltage of the following
pins are the following value.
DIGITAL board: IC3502
pin 18: 1.2 V to 1.3 V
pin 112 : 3.3 V (XTALVCC33)
pin 173: 3.3 V
OK
The voltage of the following
pins are the following value.
DIGITAL board: IC3003
pin 73 : 3.3 V (VCC)
OK
The X3000 on the DIGITAL
board is oscillated normally.
OK
Check the IC3003 on the
DIGITAL board and the
surrounding circuit.
OK
NG
Explain the settings of this unit
to the customer.
NG
Check the F1601, IC1721,
IC1801, IC1821, IC1841,
IC1861, IC1901, IC1921 on the
DCDC board and the
surrounding circuit, and
replace the defective parts.
NG Check the IC3502 on the
DIGITAL board and the
surrounding circuit, and
replace the DIGITAL board.
MAIN COM/SELF RESET
NG Check the IC8002, IC8504 to
IC8507 on the DIGITAL board
and the surrounding circuit, and
replace the DIGITAL board.
NG Check the X3000 on the
DIGITAL board and the
surrounding circuit, and
replace the DIGITAL board.
NG
Replace the DIGITAL board.
E
– Continued the page 36 –
37