Sony STR-ZA1000ES / STR-ZA2000ES / STR-ZA3000ES Service Manual ▷ View online
STR-ZA1000ES/ZA2000ES/ZA3000ES
33
SECTION 4
ELECTRICAL CHECK
TUNER SECTION 0 dB = 1 V
FM AUTO STOP CHECK
signal
generator
unit
Procedure:
1. Press the [
1. Press the [
?
/
1
] button to turn the power on.
2. Input the following signal from signal generator to FM antenna
input directly.
Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
Deviation
: 75 kHz
Modulation
: 1 kHz
ANT input
: 35 dBu (EMF)
Note: Use 75 ohm coaxial cable to connect signal generator and the unit.
You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.
3. Press the [TUNER] button to turn the FM tuner function and
scan the input FM signal with automatic scanning.
4. Confi rm that input frequency of A, B and C detected and auto-
matic scanning stops.
When the station signal is received in good condition, automatic
scanning stops
scanning stops
STR-ZA1000ES/ZA2000ES/ZA3000ES
34
SECTION 5
TROUBLESHOOTING
Flow of repair (when sound is not outputted)
NG
OK
OK
OK
OK
OK
Not improved
OK
OK
NG
NG
NG
NG
NG
The voltage of the following pin
is 3.3 V.
DIGITAL board: IC8002
pin 47 (PROTECTOR)
is 3.3 V.
DIGITAL board: IC8002
pin 47 (PROTECTOR)
The following fuses are not
damaged.
SPTM board: F911, F912
STBY board: F01
damaged.
SPTM board: F911, F912
STBY board: F01
Between the +59 V line/–59 V
line and the ground on the
SPTM board does not
short-circuit.
line and the ground on the
SPTM board does not
short-circuit.
Check that the condition is
improved, even if you do the
following works.
1. Short-circuit the both ends
of the C8011 on the
DIGITAL
improved, even if you do the
following works.
1. Short-circuit the both ends
of the C8011 on the
DIGITAL
board.
2. Perform the “SHIPMENT
MODE” (refer to page 30)
MODE” (refer to page 30)
Check that the power transistor
(example: Q600 on the AMP
board), power amplifier circuit
(example: Q620 on the AMP
board) and surrounding circuit
are not defect.
(example: Q600 on the AMP
board), power amplifier circuit
(example: Q620 on the AMP
board) and surrounding circuit
are not defect.
Check that the current detect
circuit (example: Q604 and
Q605 on the AMP board) and
surrounding circuit are not
defect.
circuit (example: Q604 and
Q605 on the AMP board) and
surrounding circuit are not
defect.
Check the protector circuit
(example: Q510 on the AMP
board) and surrounding circuit,
and replace the defective parts.
(example: Q510 on the AMP
board) and surrounding circuit,
and replace the defective parts.
Check the surrounding circuit
of the power transistor
(example: Q600 on the AMP
board) and power amplifier
circuit (example: Q620 on the
AMP board), and replace the
defective parts.
of the power transistor
(example: Q600 on the AMP
board) and power amplifier
circuit (example: Q620 on the
AMP board), and replace the
defective parts.
NG Check the surrounding circuit,
and replace the defective parts.
NG Check the surrounding circuit,
and replace the defective parts.
START
The “PROTECT” is
not displayed on
the fluorescent
indicator tube.
not displayed on
the fluorescent
indicator tube.
Replace the DIGITAL board.
A
– Continued the
page 35 –
Measure the power transistor
(example: Q600 on the AMP
board) with a tester, and check
the following things.
1. The circuit does not
short-circuit.
2. The resistance is normal.
(example: Q600 on the AMP
board) with a tester, and check
the following things.
1. The circuit does not
short-circuit.
2. The resistance is normal.
Measure the power amplifier
circuit (example: Q620 on the
AMP board) with a tester, and
check the following things.
1. Between the power supply
line and the ground does not
short-circuit.
2. The resistance is normal.
circuit (example: Q620 on the
AMP board) with a tester, and
check the following things.
1. Between the power supply
line and the ground does not
short-circuit.
2. The resistance is normal.
OK
Check the power transistor
(example: Q600 on the AMP
board), power amplifier circuit
(example: Q620 on the AMP
board) and surrounding circuit,
and replace the defective parts.
(example: Q600 on the AMP
board), power amplifier circuit
(example: Q620 on the AMP
board) and surrounding circuit,
and replace the defective parts.
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).
[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.
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”.
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
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.
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.
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.
input is outputted.
NG
NG
The “OPT” is displayed on the
fluorescent indicator tube.
fluorescent indicator tube.
Check the IC2103, IC2104 on
the AUDIO board and the
surrounding circuit, and replace
the defective parts.
the AUDIO board and the
surrounding circuit, and replace
the defective parts.
The sound from the optical
input is outputted.
input is outputted.
Explain the settings of this unit
to the customer.
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.
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 –
STR-ZA1000ES/ZA2000ES/ZA3000ES
36
NG The data is outputted from the
following pins.
AUDIO board: IC2102
pin 16, 19, 20, 21
AUDIO board: IC2102
pin 16, 19, 20, 21
NG &KHFNWKDWYROWDJHRIWKH
following parts (both ends) are
WKHIROORZLQJYDOXH
AUDIO board
C2569: 3.3 V
C2572: 1.1 V
&KHFNWKDWWKHIROORZLQJSLQLV
RVFLOODWHG
AUDIO board: IC2502
pin 24
&KHFNWKH,&RQWKH
AUDIO board and the
VXUURXQGLQJFLUFXLWDQG
UHSODFHWKHGHIHFWLYHSDUWV
WKHIROORZLQJYDOXH
AUDIO board
C2569: 3.3 V
C2572: 1.1 V
&KHFNWKDWWKHIROORZLQJSLQLV
RVFLOODWHG
AUDIO board: IC2502
pin 24
&KHFNWKH,&RQWKH
AUDIO board and the
VXUURXQGLQJFLUFXLWDQG
UHSODFHWKHGHIHFWLYHSDUWV
NG &KHFNWKH,&,&DQG
J256 on the AUDIO board and
WKHVXUURXQGLQJFLUFXLWDQG
UHSODFHWKHGHIHFWLYHSDUWV
WKHVXUURXQGLQJFLUFXLWDQG
UHSODFHWKHGHIHFWLYHSDUWV
NG
NG
&KHFNWKH,&RQWKH
AUDIO board and the
VXUURXQGLQJFLUFXLWDQGUHSODFH
WKHGHIHFWLYHSDUWV
AUDIO board and the
VXUURXQGLQJFLUFXLWDQGUHSODFH
WKHGHIHFWLYHSDUWV
The sound from the analog
input is outputted, when the
sound field is “A.F.D.”.
input is outputted, when the
sound field is “A.F.D.”.
OK
OK
OK
OK
OK
The data is outputted from the
following pins.
AUDIO board: IC2502
pin 73, 86, 88, 94
following pins.
AUDIO board: IC2502
pin 73, 86, 88, 94
B
– From the page 35 –
C
– From the page 35 –
E
– From the page 37 –
DIR/DAC
DSP
The data is outputted from the
following pins.
AUDIO board: IC2106
pin 5
following pins.
AUDIO board: IC2106
pin 5
BI_AMP_SEL
&KHFNWKH,&RQWKH
AUDIO board and the
VXUURXQGLQJFLUFXLWDQGUHSODFH
WKHGHIHFWLYHSDUWV
AUDIO board and the
VXUURXQGLQJFLUFXLWDQGUHSODFH
WKHGHIHFWLYHSDUWV
The data is outputted from the
following pins.
AUDIO board: IC2107
pin 15, 16, 19 to 22, 26, 27
following pins.
AUDIO board: IC2107
pin 15, 16, 19 to 22, 26, 27
FK'$&
NG
OK
&KHFNWKH,&RQWKH$8',2
board and the surrounding
FLUFXLWDQGUHSODFHWKH
GHIHFWLYHSDUWV
board and the surrounding
FLUFXLWDQGUHSODFHWKH
GHIHFWLYHSDUWV
The data is inputted to the
following pins.
AUDIO board: IC251
pin 32 to 39
following pins.
AUDIO board: IC251
pin 32 to 39
ANALOG_SW/
E-VOL
E-VOL
&KHFNWKHSRZHUWUDQVLVWRU
(example: Q600 on the AMP
ERDUGSRZHUDPSOLILHUFLUFXLW
(example: Q620 on the AMP
board) and
(example: Q600 on the AMP
ERDUGSRZHUDPSOLILHUFLUFXLW
(example: Q620 on the AMP
board) and
VXUURXQGLQJFLUFXLW,
DQGUHSODFHWKHGHIHFWLYHSDUWV
OK
D
– Continued the page 37 –
NG &KHFNWKDWYROWDJHRIWKH
following pins are the
IROORZLQJYDOXH
AUDIO board: IC2102
pin 42: 3.3 V
pin 46: 5 V
&KHFNWKDWWKHGDWDLV
outputted from the following
pins.
AUDIO board: IC2102
pin 4, 5, 6, 7
&KHFNWKH,&RQWKH
AUDIO board and the
VXUURXQGLQJFLUFXLWDQG
UHSODFHWKHGHIHFWLYHSDUWV
IROORZLQJYDOXH
AUDIO board: IC2102
pin 42: 3.3 V
pin 46: 5 V
&KHFNWKDWWKHGDWDLV
outputted from the following
pins.
AUDIO board: IC2102
pin 4, 5, 6, 7
&KHFNWKH,&RQWKH
AUDIO board and the
VXUURXQGLQJFLUFXLWDQG
UHSODFHWKHGHIHFWLYHSDUWV
The data is outputted from the
following pins.
AUDIO board: IC2102
pin 16, 19, 20, 21
following pins.
AUDIO board: IC2102
pin 16, 19, 20, 21
DIR/DAC
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