DOWNLOAD Sony AIR-SA10 / DAV-HDX277WC / DAVHDX576WF / DAV-HDX678WF / DAV-HDX975WF Service Manual ↓ Size: 2.8 MB | Pages: 35 in PDF or view online for FREE

Model
AIR-SA10 DAV-HDX277WC DAVHDX576WF DAV-HDX678WF DAV-HDX975WF
Pages
35
Size
2.8 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
air-sa10-dav-hdx277wc-davhdx576wf-dav-hdx678wf-dav.pdf
Date
PREV: Sony SRS-BT100 / SRS-BT100IK Service Manual

Sony AIR-SA10 / DAV-HDX277WC / DAVHDX576WF / DAV-HDX678WF / DAV-HDX975WF Service Manual ▷ View online

AIR-SA10
9
3-6.  REG  BOARD,  POWER  TRANSFORMER (PT901),  POWER  CORD
3-7.  AMP  BOARD,  LCD  BOARD
Note: This illustration is seeing front panel block from the inside.
 four screws
 (BVTP3 
× 10)
 REG board
 Cut two cables tie.
 Remove a solder.
 (cable: 
white)
Remove a solder.
 (cable: 
black)
 four screws
 (BVTP3 
× 10)
 power 
 transformer
 (PT901)
 POWER board
RB screw
 (BVTP3 
× 10)
RT coating clip
RE AC HOLDER board
RH power cord
RG ferrite core
 Remove the solder.
Note: When installing the power code,
 
 
note the color of cable.
 four screws
 (BVTP2.6)
 three screws
 (BVTP2.6)
 LCD board
 AMP board
AIR-SA10
10
SECTION  4
TEST  MODE
FACTORY  SETTING
Procedure:
1.  Press the [
?/1
] button to turn the main power on.
2.  Press three buttons of [
x
], [DISPLAY], and [
?/1
] simultane-
ously.
3.  The messages “RESET” is displayed on the liquid crystal dis-
play and the main power is turned off.
4.  The [S-AIR ID] switch is set to [A].
LIQUID  CRYSTAL  DISPLAY  AND  KEYS  CHECK
Procedure:
1.  Press the [
?/1
] button to turn the main power on.
2.  Press three buttons of [
x
], [DISPLAY], and [
N
] simultane-
ously.
3.  Then all segments of liquid crystal display are turned on and 
all LEDs are lighted.
 
4.  Press the [DISPLAY] button, the model name and destination 
are displayed on the liquid crystal display. (Example: “S-AIR 
NA”)
5.  Press the [SLEEP] button, the model released date and version 
of the micro computer are displayed on the liquid crystal dis-
play. (Example: “1220V104”)
6.  Press the [CLOCK/TIMER MENU] button, the messages 
“KEY0 0 0” is displayed on the liquid crystal display.
7.  The following message are displayed by pressing the key that 
corresponds.
Key
Message
?
/
1
KEY1 0 0
S-AIR CH
KEY2 0 0
N
KEY3 0 0
X
KEY0 0 1
CANCEL 
x
KEY0 0 1
PRESET – 
.
KEY0 0 2
PRESET + 
>
KEY0 0 3
DISPLAY
KEY0 1 0
SLEEP
KEY0 2 0
CLOCK/TIMER MENU
KEY0 3 0
CLOCK/TIMER ENTER
KEY0 4 0
VOLUME –
KEY0 0 4
VOLUME +
KEY0 0 5
8.  Press three buttons of [
x
], [DISPLAY], and [
N
] simultane-
ously.
9.  Press the [
?/1
] button to turn the main power off.
GENERAL  OPERATION  CHECK
Note:  EZW-RT10 is necessary. Check after inserting EZW-RT10 in 
AIR-SA10.
Connection:
Base unit
(Test disc play)
Test disc:
YEDS-18
(Part No.: 3-702-101-01)
S-AIR ID: C
AIR-SA10 EZW-RT10
Wireless
communication
Procedure:
1.  Insert the EZW-RT10 in the AIR-SA10 and the [S-AIR ID] 
switch is set to [A].
2. Press 
the 
[
?/1
] button to turn the main power on. (the [S-AIR] 
indicator blinks)
3.  The [S-AIR ID] switch is set to [C], the messages “LINKED” 
is displayed on the liquid crystal display. (the [S-AIR] indica-
tor lights)
4. Confi rm sounding from the speaker.
5. Confi rm the volume changes if you press the [VOLUME +] 
and [VOLUME –] buttons.
6.  Insert the headphone in the AIR-SA10 and confi rm sounding 
from the headphone.
7.  Press the [
X
] button and confi rm the sound stops.
8. Press the [
X
] button and confi rm sounding from the head-
phone.
9.  Press the [
?/1
] button to turn the main power off.
10. Detach the EZW-RT10 from the AIR-SA10.
VIBRATION  NOISE  CHECK
Note:  EZW-RT10 is necessary. Check after inserting EZW-RT10 in 
AIR-SA10.
Connection:
Base unit
(Sweep disc play)
Sweep disc:
Disc where Sweep signal
from 100 Hz to 1 kHz
(20 seconds) was collected.
(Make it with free software
 (The example: WaveGene). )
Wireless
communication
AIR-SA10 EZW-RT10
S-AIR ID: B
Procedure:
1.  Insert the EZW-RT10 in the AIR-SA10 and the [S-AIR ID] 
switch is set to [B].
2.  Press the [
?/1
] button to turn the main power on.
3.  Press the [VOLUME +] and [VOLUME –] buttons to set the 
volume to “25”. 
4.  Press the [
N
] button, and hear sweep sound by all of the one 
track. At this time, confi rm whether vibration noise has not 
happened.
5.  Press the [
?/1
] button to turn the main power off.
6.  Detach the EZW-RT10 from the AIR-SA10.
SECTION  5
ELECTRICAL  CHECK
AIR-SA10
AIR-SA10
11
11
SECTION  6
DIAGRAMS
For Schematic Diagrams.
Note:
•  All capacitors are in μF unless otherwise noted. (p: pF) 50 
WV or less are not indicated except for electrolytics and 
tantalums.
•  All resistors are in Ω and 1/4 W or less unless otherwise 
specifi ed.
•      f : 
internal 
component.
• 
C : panel designation.
THIS  NOTE  IS  COMMON  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
• 
A : B+ Line.
•  Voltages and waveforms are dc with respect to ground 
under no-signal conditions.
  no mark : POWER ON
       
*
  : Impossible to measure
•  Voltages are taken with VOM (Input impedance 10 M
Ω).
  Voltage variations may be noted due to normal production 
tolerances.
•  Waveforms are taken with a oscilloscope.
  Voltage variations may be noted due to normal production 
tolerances.
•  Circled numbers refer to waveforms.
• Signal path.
 
F : 
AUDIO
• Abbreviation
  CND  : Canadian model
 RU  : 
Russian 
model
For Printed Wiring Boards.
Note:
• 
X : Parts extracted from the component side.
• 
Y : parts extracted from the conductor side.
•      f : 
internal 
component.
• 
 : Pattern from the side which enables seeing.
  (The other layers' patterns are not indicated.)
Note: 
The components identi-
fi
 ed by mark 
0 or dotted 
line with mark 
0 are criti-
cal for safety. 
Replace only with part 
number specifi ed.
Note: 
Les composants identifi és 
par une marque 
0 sont 
critiques pour la sécurité. 
Ne les remplacer que par 
une piéce portant le nu-
méro spécifi é.
Caution:
Parts face side:
(Conductor Side)
Pattern face side: 
(Component Side)
Parts on the parts face side seen from   
the pattern face are indicated.
Parts on the pattern face side seen from   
the parts face are indicated.
•  Circuit Boards Location
TOP KEY board
MAIN board
S-AIR RX-IF board
POWER board
REG board
HP board
LCD board
AMP board
• Waveforms
– S-AIR RX-IF Board –
8.5
μs
2.6 Vp-p
XB
IC801 UT (OSC2)
1 V/DIV, 2 
μs/DIV
IC003  (1Y)
1 V/DIV, 20 ns/DIV
81.4 ns
3.6 Vp-p
IC008  (MCLK)
1 V/DIV, 20 ns/DIV
81.4 ns
4.5 Vp-p
RB
IC601  (XT2)
1 V/DIV, 10 
μs/DIV
30.5
μs
3.2 Vp-p
RT
IC601  (X2)
1 V/DIV, 20 ns/DIV
62.5 ns
3.2 Vp-p
– MAIN Board –
– LCD Board –
Ver. 1.1
AIR-SA10
AIR-SA10
12
12
6-1.  PRINTED  WIRING  BOARD  - S-AIR RX-IF Board (Suffi x-11) -
• 
 : Uses unleaded solder.
• See page 11 for Circuit Boards Location.
CN003
CN001
X001
R017
IC008
C012
R003
R001
R032
R033
R012
C007
C006
R002
R007
R019
C004
C026
C010
R014
R016
R020
R088
R056
R057
R051
R055
R054
C015
C016
R029
C048
R048
R047
C047
C009
C008
R027
C022
C021
C023
C024
C013
IC003
C045
C046
C031
C032
C058
C059
R087
R085
R093
R090
R013
R015
R018
C017
R052
R053
R059
R058
R049
R050
C042
R092
R096
R094
1
8
5
4
1
10
20
1
20
2
19
11
1-875-850-
11
(11)
S-AIR RX-IF BOARD
(COMPONENT SIDE)
A1
MAIN BOARD
CN301
1-875-850-
11
(11)
S-AIR RX-IF BOARD
(CONDUCTOR SIDE)
WIRELESS
TRANSCEIVER
(EZW-RT10)
EZW-RT10
A
B
C
1
2
3
4
5
6
7
8
9
10
(Page 18)
CN003
CN001
X001
R017
IC008
C012
R003
R001
R032
R033
R012
C007
C006
R002
R007
R019
C004
C026
C010
R014
R016
R020
R088
R056
R057
R051
R055
R054
C015
C016
C018
R029
C048
R048
R047
C047
C009
C008
R027
C022
C021
C023
C024
C013
IC003
C045
C046
C031
C032
C058
C059
R087
R085
R093
R090
R013
R015
R018
C017
R052
R053
R059
R058
R049
R050
C042
R092
R096
R094
1
8
5
4
1
10
20
1
20
2
19
11
1-875-850-
12
(12)
S-AIR RX-IF BOARD
(COMPONENT SIDE)
A2
MAIN BOARD
CN301
1-875-850-
12
(12)
S-AIR RX-IF BOARD
(CONDUCTOR SIDE)
WIRELESS
TRANSCEIVER
(EZW-RT10)
EZW-RT10
A
B
C
1
2
3
4
5
6
7
8
9
10
(Page 18)
6-2.  PRINTED  WIRING  BOARD  - S-AIR RX-IF Board (Suffi x-12) -
• 
 : Uses unleaded solder.
• See page 11 for Circuit Boards Location.
Note: Refer to the Servicing Notes “S-AIR RX-IF BOARD DISCRIMINATION” (page 3) for how 
to distinguish Suffi x-11 and Suffi x-12.
Ver. 1.1
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