Sony AIR-SA15TI / AIR-SA20PK Service Manual ▷ View online
AIR-SA15Ti
9
4-1-2. Tx/Rx setting
This mode is setting of transmitter/receiver.
Procedure:
1. Enter the S-AIR radio legulation low test mode.
2. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
This mode is setting of transmitter/receiver.
Procedure:
1. Enter the S-AIR radio legulation low test mode.
2. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “TX RX”.
3. Press the [ENTER] button the messages “TX” is displayed on
the fl uorescent indicator tube.
4. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the “TX” or “RX”.
5. Press the [ENTER] button, return to S-AIR radio legulation
low test mode each item.
4-1-3. Antenna setting
This mode is setting of antenna.
Procedure:
1. Enter the S-AIR radio legulation low test mode.
2. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
This mode is setting of antenna.
Procedure:
1. Enter the S-AIR radio legulation low test mode.
2. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “ANTENNA”.
3. Press the [ENTER] button the messages “T-* R-*” is displayed
on the fl uorescent indicator tube.
*: 1 or 2
4. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the antenna setting.
5. Press the [ENTER] button, return to S-AIR radio legulation
low test mode each item.
4-1-4. Power setting
This mode setting the output level of RF.
Procedure:
1. Enter the S-AIR radio legulation low test mode.
2. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
This mode setting the output level of RF.
Procedure:
1. Enter the S-AIR radio legulation low test mode.
2. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select “ANTENNA”.
3. Press the [ENTER] button the messages “039 SET” is dis-
played on the fl uorescent indicator tube.
4. Press the [TUNING/SELECT +]/[TUNING/SELECT –] but-
tons to select the output level. (OFF or 000 to 063)
5. Press the [ENTER] button, return to S-AIR radio legulation
low test mode each item.
SECTION 5
ELECTRICAL CHECK
FM TUNE LEVEL CHECK
signal
generator
set
Procedure:
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
1. Turn on the set.
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 set.
You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.
3. Set to FM tuner function and tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C sig-
4. Confi rm “TUNED” is lit on the display for A, B and C sig-
nals.
When the selected station signal is received in good condition,
“TUNED” is displayed.
“TUNED” is displayed.
AIR-SA15Ti
10
MEMO
AIR-SA15Ti
AIR-SA15Ti
11
11
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM
: TUNER
: iPod (AUDIO)
: iPod (VIDEO)
: iPod (AUDIO)
: iPod (VIDEO)
CLOCK
BUFFER
IC641
LED_ILLUMI
X601
12.288MHz
FM 75
Ω
COAXIAL
S-AIR ID
POWER
S-AIR
AM
ANTENNA
TUNER (FM/AM)
FLUORESCENT
INDICATOR
TUBE
FL901
POWER
UNIT
PT001
L-OUT
DO
CE
TUNED
68 ST_DO
69 ST_CE
66
66
22
S-AIR_ID
S402
C
91
TUNED
DI
70 ST_DI
CL
67 ST_CLK
R-OUT
R-CH
RDS-DATA
RDS-CLK
74 RDS-DATA
73 RDS-CLK
73 RDS-CLK
40
FL_CLK/LED_CLK
42
FL_D_OUT/LED_DATA
41
FL_STB
+12V
93 KEY1
92 KEY2
92 KEY2
95 KEY0
2 SIRCS_IN
R-CH
13 VINL
VINR
BCK
LRCK
SCKI
14
8
7
7
6
A/D CONVERTER
IC661
DOUT 9
7 DIN
CLK
GR1
SG1 - SG16
STB
8
42
9
FL DRIVER
IC901
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
LED DRIVE
Q015, 201, 202
D201 - 210,
D212 - 221
(ILLUMINATION)
LED_POWER
79
LED DRIVE
Q901
GRID DRIVE
Q903
D901
POWER
S001
OFF
ON
B
A
LED_S-AIR
80
LED DRIVE
Q902
D902
CN301
(iPod CONNECTOR)
27
28
LINE AMP
IC304
Q314
R-CH
R-CH
R-CH
18
19
20
19
20
23
LINE-OUT-L
LINE-OUT-R
RXD
10
Acc ID
TXD
DGND
VIDEO-OUT
iPod_RX
iPod_TX
34
iPod_DET
iPod_ACCP
52
13
Acc PWR
25
S-AIR_GPIO2
65
33
iPHONE DET
CTL
55
iPod_VIDEO_SW
51
iPod_LINE_MUTE
50
Q315
20
Acc DET
CN601
EZW-RT10
WIRELESS
TRANSCEIVER
(EZW-RT10)
13
20
7
12
SDIN_B
SDIN_A
INT
3
GND(DET)
14
I2C_SDA
RESN
17
15
15
BCK
LRCK
LRCK
11
I2C_SCL
Q404
VIDEO SWITCH
IC303
MUTING
CONTROL
Q305
MUTING
Q307, 309
R-CH
13
4
AUDIO_CLK
VINL
VINR
VINR
BCK
LRCK
SCKI
14
8
7
7
6
A/D CONVERTER
IC631
DOUT 9
R-CH
ST_MUTE
72
MUTING
CONTROL
Q313
MUTING
Q311
J301
VIDEO
AUDIO
L
AUDIO
R
+5.2V
VBUS
+3.3V
S-AIR_I2C_SDA
75
S-AIR_I2C_SCL
iPod_CP_RESET
iPod_CP_DA
TA
iPod_CP_CLK
76
S-AIRD_DET
64
26
28 27
S-AIR_RST
(SRC RST)
56
REMOTE
CONTROL
RECEIVER
IC691
SYSTEM CONTROLLER
IC401
PAIRING
S-AIR_KEY_PAIRING
S401
S901 - 906
(FRONT PANEL KEY)
77
14 - 29
GR2 - GR9
41 - 34
POWER
ON/OFF
ON/OFF
SWICTCH
Q001, 002
Q001, 002
+9V
+9V
REGULATOR
Q316 - 319
+5.2V
REGULATOR
IC001
REGULATOR
IC301
-20V
AC1
AC2
AC2
DC/DC
CONVERTER
Q011 -014,
Q016 -018
DC/DC
CONVERTER
T001
RECT
D007, 008
PROTECT
DETECT
Q019
PROTECT
DETECT
Q303, 304
53
iPod_POWER
S-AIR +3.3V
+3.3V
REGULATOR
IC305
57
S-AIR_POWER
1
POWER_MONITOR 1
5
POWER_MONITOR 2
18
AC_CUT
10
RESET
A +5V
B+ SWITCH
Q301, 302
RESET
SWITCH
Q401
37
O_POWER
49
iPod_FLAG
+3.3V
REGULATOR
Q003 - 006
VOLTAGE
DETECT
IC404
X401
5MHz
Xout
Xin
11
13
EEPROM
IC402
RESET
I2C_SDA
I2C_SCL
4
13 12
EEPROM_SDA/I2C_DA
TA
EEPROM_SCL/I2C_CLK
45 46
EEPROM
IC403
SDA
SCL
5 6
iPod
(AEP, UK)
Ver. 1.1
AIR-SA15Ti
AIR-SA15Ti
12
12
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.
•
B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with VOM (Input impedance 10 M
• 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 :
TUNER
f
: iPod (AUDIO)
E
: iPod (VIDEO)
• 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.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
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.
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.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque
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.
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.
• MAIN, TX-IF, LED, LED-L and LED-R boards are multi-layer
printed boards.
However, the patterns of intermediate-layers have not been
included in diagrams.
• Circuit Boards Location
IC401 RB (Xout)
100 mV/DIV, 100 ns/DIV
200 ns
0.3 Vp-p
IC901 (OSC)
100 mV/DIV, 2
μs/DIV
2.7
μs
0.1 Vp-p
• Waveforms
– MAIN Board –
POWER board
MAIN board
LED-R board
LED board
TX-IF board
LED-L board
Ver. 1.1
• IC Block Diagrams
– MAIN Board –
IC301 R5523N001B-TR-F
1
EN
2
GND
3
FLG
4 IN
5 OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
IC303 NJM2244M-TE2
2
SW1
3
VIN2
4
SW2
1
VIN1
8 GND
7 VOUT
6 V+
5 VIN3 (MUTE)
BIAS
75
Ω
DRIVER
IC305 BD33KA5WFP-E2
IC901 PT6315
THERMAL
SHUT DOWN
OVER CURRENT
PROTECT
VDD
VCC
2
GND
3
NC
5
OUT
4
CTL
1
–
+
VREF
DRIVER
5
OSC
OSC
DATA
SELECTOR
6
DOUT
7
DIN
8
CLK
9
STB
10
KEY1
11
KEY2
SERIAL
INTERFACE
DISPLAY MEMORY
24 BITS x 12 WORDS
24-BIT OUTPUT
LATCH
12-BIT SHIFT
REGISTER
SEGMENT
DRIVER
TIMING GENERATOR
KEY SCAN
COMMAND
DECODER
DIMMING
CIRCUIT
KEY DATA MEMORY
(2 x 16 BITS)
4-BIT LATCH
1
LED1
2
LED2
3
LED3
4
LED4
24
16
16
12
4
8
8
4
8
27 SEG14/KS14
29 SEG16/KS16
30 VEE
28 SEG15/KS15
8
31 SEG17/GRID12
33 SEG19/GRID10
32 SEG18/GRID11
32 SEG18/GRID11
23 SEG10/KS10
24 SEG11/KS11
25 SEG12/KS12
26 SEG13/KS13
22
SEG9/KS9
21
SEG8/KS8
20
SEG7/KS7
19
SEG6/KS6
18
SEG5/KS5
17
SEG4/KS4
16
SEG3/KS3
15
SEG2/KS2
14
SEG1/KS1
MULTIPLEXED
DRIVER
34
SEG20/GRID9
35
SEG21/GRID8
36
SEG22/GRID7
37
SEG23/GRID6
39
GRID4
40
GRID3
41
GRID2
42
GRID1
43
VDD
44
VSS
13
VDD
12
VSS
38
SEG24/GRID5
GRID
DRIVER
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