Sony AIR-SA15R / AIR-SA20PK Service Manual ▷ View online
AIR-SA15R
10
SECTION 4
TEST MODE
COLD RESET
Procedure:
1. Press the [
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 [
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”)
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”)
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/
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.
switched.
S-AIR TEST MODE
Procedure:
1. Press three buttons of [CANCEL x], [S-AIR CH] and
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-
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.
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]
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)
tor lights)
4. Confi rm sounding from the speaker.
5. Confi rm the volume changes if you press the [VOLUME +]
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-
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]
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.
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)
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). )
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
AIR-SA15R
12
SECTION 6
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
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.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
• 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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
• Abbreviation
CND :
CND :
Canadian
model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• f : internal component.
•
• 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
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.
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.
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:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Circuit Boards Location
KEY board
MAIN board
S-AIR RX-IF board
POWER board
REG board
HP board
LCD board
AMP board
R_CON board
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
Ver. 1.1
AIR-SA15R
AIR-SA15R
13
13
• IC Block Diagrams
– S-AIR RX-IF Board –
IC008 WM8728SEDS/RV
VOUTL
3
2
1
8
4
7
14
13
BCKIN
DIN
LRCIN
VOUTR
MCLK
5
ZERO
6
DGND
DVDD
10
9
AGND
AV
D
D
VREFP
VREFN
DIGITAL
FILTERS
SIGMA-DELTA
MODULATOR
D/A
CONVERTER
LOW-PASS
FILTER
LOW-PASS
FILTER
CONTROL INTERFACE
12
VMID
11
20
LA
TI2S
D/A
CONVERTER
SIGMA-DELTA
MODULATOR
SERIAL
INTERFACE
MUTING/
ATTENUATOR
MUTING/
ATTENUATOR
19
SCK
18
SDIDEM
17
MUTEB
16
MODE
15
CSBIWL
– LCD Board –
IC801 NJU6433BF
1 2
4 5
3
6 7 8 9
SEG10
10
SEG16
16
SEG15
15
COMMON
DRIVER
SEG17
17
INPUT
SELECT
CIRCUIT
INPUT
SELECT
SHIFT
REGISTER1
50-BIT
DECODER
LATCH CIRCUIT/SEGMENT DRIVER
SCL 57
CE 56
DATA 58
MODE 59
COM1 64
COM2 63
COM3 62
COM4 61
SEG50 50
SEG49 49
INH 60
VLCD 55
VSS 54
VDD 53
OSC1
SEG48
51
OSC2 52
INPUT
SELECT
SHIFT
REGISTER2
50-BIT
INPUT
SELECT
SHIFT
REGISTER3
50-BIT
INPUT
SELECT
SHIFT
REGISTER4
50-BIT
SHIFT
REGISTER
CONTROL
CIRCUIT
DIVIDING
CIRCUIT
OSCILLATION
CIRCUIT
48
SEG47
47
SEG46
46
SEG45
45
SEG44
44
SEG43
43
SEG42
42
SEG41
41
SEG40
40
SEG39
39
SEG38
38
SEG37
37
SEG36
36
SEG35
35
SEG34
34
SEG33
33
SEG14
14
SEG13
13
SEG12
12
SEG1
1
11
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG18
18
SEG19
19
SEG20
20
SEG21
21
SEG22
22
SEG23
23
SEG24
24
SEG25
25
SEG26
26
SEG27
27
SEG28
28
SEG29
29
SEG30
30
SEG31
31
SEG32
32
– MAIN Board –
IC602 PST3629NR
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
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
• Waveforms
– S-AIR RX-IF Board –
– MAIN Board –
– LCD Board –
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