DOWNLOAD Sony AIR-SA15R / AIR-SA20PK Service Manual ↓ Size: 2.88 MB | Pages: 34 in PDF or view online for FREE

Model
AIR-SA15R AIR-SA20PK
Pages
34
Size
2.88 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
air-sa15r-air-sa20pk.pdf
Date

Sony AIR-SA15R / AIR-SA20PK Service Manual ▷ View online

AIR-SA15R
8
3-5.  S-AIR  RX-IF  BOARD,  KEY  BOARD,  MAIN  BOARD
Note: This illustration is seeing top panel block from the inside.
 two screws
 (BVTP2.6)
RH two screws
 (BVTP2.6)
 screw
 (BVTP2.6)
 nine screws
 (BVTP2.6)
RB KEY board
 screw
 (BVTP2.6)
 flexible flat cable (13 core) 
 (CN003)
 clamp (L35)
 shield sheet (SAIR)
 two solders
RT flexible flat cable (13 core) 
 (CN301)
RE four screws (BVTP2.6)
RG MAIN board
 flexible flat cable (5 core) 
 (CN802)
RI holder (SAIR)
 S-AIR RX-IF board
top panel block
AIR-SA15R
9
3-6.  REG  BOARD,  POWER  TRANSFORMER (PT901),  POWER  CORD
 screw
 (BVTP3 
× 10)
 REG board
 Cut two cables tie.
 Remove a solder.
 (cable: 
white)
Remove a solder.
 (cable: 
black)
 three 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 solders.
Note: When installing the power code,
 
 
note the color of cable.
panel (rear)
3-7.  AMP  BOARD,  LCD  BOARD
Note: This illustration is seeing front panel block from the inside.
 four screws
 (BVTP2.6)
 three screws
 (BVTP2.6)
 LCD board
 AMP board
front panel block
AIR-SA15R
10
SECTION  4
TEST  MODE
COLD  RESET
Procedure:
1.  Press the [
?/1
] button to turn the main power on.
2.  Press three buttons of [CANCEL x], [DISPLAY], and [
?/1
simultaneously.
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 [CANCEL x], [DISPLAY], and [N] 
simultaneously.
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: “SA15R 
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: “0602V003”)
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
KEY4 0 0
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 [CANCEL x], [DISPLAY], and [N] 
simultaneously.
9.  Press the [
?/1
] button to turn the main power off.
REMOTE  DISABLE  MODE
Procedure:
1.  In the state of the standby, press two buttons of [CLOCK/
TIMER ENTER], and [
?/1
] simultaneously.
2.  The messages “RMT OFF” or “RMT ON” is displayed on 
the liquid crystal display and on/off of the remote control is 
switched.
S-AIR  TEST  MODE
Procedure:
1.  Press three buttons of [CANCEL x], [S-AIR CH] and 
[DISPLAY] simultaneously.
2.  The messages “I2C” is displayed on the liquid crystal display.
3.  Press the [ENTER] button, the messages “OK” or “NG” is dis-
played on the liquid crystal display.
 
When the I2C line between IC601 on the MAIN board and 
EZW-RT10 is normal, “OK” is displayed. When abnormality 
is found, “NG” is displayed. 
AIR-SA15R
11
SECTION  5
ELECTRICAL  CHECKS
GENERAL  OPERATION  CHECK
Note: EZW-RT10 is necessary. Check after inserting EZW-RT10 in AIR-
SA15R.
Connection:
Procedure:
1.  Insert the EZW-RT10 in the AIR-SA15R 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-SA15R 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-SA15R.
VIBRATION  NOISE  CHECK
Note: EZW-RT10 is necessary. Check after inserting EZW-RT10 in AIR-
SA15R.
Connection:
Procedure:
1.  Insert the EZW-RT10 in the AIR-SA15R 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-SA15R.
Base unit
(Test disc play)
Test disc:
YEDS-18
(Part No.: 3-702-101-01)
S-AIR ID: C
AIR-SA15R EZW-RT10
Wireless
communication
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-SA15R EZW-RT10
S-AIR ID: B
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