Sony AIR-SA50R Service Manual ▷ View online
AIR-SA50R
4
SECTION 2
DISASSEMBLY
• This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
Note: Follow the disassembly procedure in the numerical order given.
2-2. MAIN BOARD BLOCK
Note: This illustration sees the set from rear side.
SET
2-2. MAIN BOARD BLOCK
(Page
(Page
4)
2-3. IF BOARD, MAIN BOARD
(Page
(Page
5)
5 screw (B2.6)
8 lead wire
(CN704)
q; flexible flat cable
(11 pin) (W3)
(CN702)
7
qs MAIN board block
6 two speaker lead wires
(CN302)
5 screw
(B2.6)
5 screw (B2.6)
9 lead wire (CN706)
qa flexible flat cable
(14 pin) (W2) (CN703)
2 screw (B3)
1 sheet (screw)
4
2 two screws
(B3)
3 three srews
(B2.6)
1 three sheets
(screw)
1 sheet
(screw)
2 screw (B3)
2 three screws
(B3)
AIR-SA50R
5
2-3. IF BOARD, MAIN BOARD
Note: This illustration sees the rear cabinet block from rear side.
2 screw (B2.6)
1 cushion (SW)
9 Remove four solders.
– MAIN board (component side) –
q; shield case
(main)
4 two screws
(B2.6)
qd MAIN board
qs power unit
cord
8 chassis (lower)
– chassis (lower) bottom view –
Arragement of power unit cord
– MAIN board (conductor side) –
qa Remove two solders.
7 four screws
(B2.6)
3 flexible flat cable
(9 pin) (W2) (CN502)
6 IF board
5 chassis (upper) block
rear cabinet block
AIR-SA50R
6
SECTION 3
TEST MODE
COLD RESET
Procedure:
1. Press the [
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. While touching the [
N
] sensor, press two buttons [SLEEP/
BRIGHT] and [
?/1
] simultaneously.
3. The message “RESET” appears on the liquid crystal display,
then turn the power off.
PANEL TEST MODE
Procedure:
1. In the standby state, while touching the [PRESET +] sensor,
Procedure:
1. In the standby state, while touching the [PRESET +] sensor,
press two buttons [SLEEP/BRIGHT] and [
?/1
] simultane-
ously.
2. When the panel test mode is activated, all segments of the liq-
uid crystal display are lighted up.
3. In the state of step 2, press the [SLEEP/BRIGHT] button, and
the version of the micro controller and destination are dis-
played on the liquid crystal display.
played on the liquid crystal display.
4. In the state of step 2, press the [S-AIR/AUDIO IN] button,
the message “Key 0” is displayed on the liquid crystal display.
When all buttons (All buttons including [
When all buttons (All buttons including [
?/1
] and [PAIRING]
(button on back panel side)) are pressed and all sensors are
touched, the message “Key 16 OK” is displayed on the liquid
crystal display.
touched, the message “Key 16 OK” is displayed on the liquid
crystal display.
5. To release from this mode, while touching the [PRESET +]
sensor, press the two buttons [SLEEP/BRIGHT] and [
?/1
] si-
multaneously.
REMOTE DISABLE MODE
Procedure:
1. In the standby state, while pressing the [S-AIR CH +] button,
Procedure:
1. In the standby state, while pressing the [S-AIR CH +] button,
press the [
?/1
] button to turn the power on.
2. The message “REMOTE ON” or “REMOTE OFF” appears
on the liquid crystal display, and on/off of the remote control
changes.
changes.
TOUCH PANEL BEEEP SOUND ON/OFF MODE
Procedure:
1. In the standby state, while pressing the [S-AIR/AUDIO IN]
Procedure:
1. In the standby state, while pressing the [S-AIR/AUDIO IN]
button, press the [
?/1
] button to turn the power on.
2. The message “BEEP ON” or “BEEP OFF” appears on the
liquid crystal display, and on/off of the beep sound when the
touch panel is operated changes.
touch panel is operated changes.
S-AIR TEST MODE
Procedure:
1. Press the [
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. While touching the [
x
] sensor, press two buttons [S-AIR/
AUDIO IN] and [PAIRING] (back panel side) simultaneously.
3. The message “I2C” appears on the liquid crystal display and
enter the S-AIR test mode.
4. Touch the [PRESET +] sensor to select the “I2C”, and touch
the [ENTER] sensor.
The message “OK” or “NG” appears on the liquid crystal dis-
play and the connection of the I2C line between DARR and
micro controller can be confi rmed.
play and the connection of the I2C line between DARR and
micro controller can be confi rmed.
“OK” : Connection OK.
“NG” : Connection NG.
Touch the [ENTER] sensor, return to item selection screen.
5. Touch the [PRESET +] sensor to select the “QUALITY”, and
touch the [ENTER] sensor.
The quality of the communication is displayed on the liquid
crystal display.
crystal display.
Touch the [ENTER] sensor, return to item selection screen.
6. Touch the [PRESET +] sensor to select the “POWER”, and
touch the [ENTER] sensor.
The output power is displayed on the liquid crystal display. In
this state, whenever the [PRESET +] and [PRESET –] sensors
are touched, the output power can be changed.
this state, whenever the [PRESET +] and [PRESET –] sensors
are touched, the output power can be changed.
Touch the [ENTER] sensor, return to item selection screen.
7. Touch the [PRESET +] sensor to select the “VER.CHECK”,
and touch the [ENTER] sensor.
The microcomputer version last updated date of the S-AIR de-
vice connected with this set is displayed on the liquid crystal
display.
vice connected with this set is displayed on the liquid crystal
display.
Touch the [ENTER] sensor, return to item selection screen.
8. Touch the [PRESET +] sensor to select the “DARR”, and
touch the [ENTER] sensor.
The settings of DARR are displayed on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the displayed setting of DARR can be changed.
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the displayed setting of DARR can be changed.
“CO XXXX” : Connect code display.
“ADR XX” : Address display.
Touch the [ENTER] sensor, return to item selection screen.
9. Touch the [PRESET +] sensor to select the “ANT SET”, and
touch the [ENTER] sensor.
The setting of antenna transceiving is displayed on the liquid
crystal display. Whenever the [PRESET +] and [PRESET –]
sensors are touched, the setting of antenna transceiving can be
changed.
crystal display. Whenever the [PRESET +] and [PRESET –]
sensors are touched, the setting of antenna transceiving can be
changed.
Touch the [ENTER] sensor, return to item selection screen.
10. Touch the [PRESET +] sensor to select the “ANT MON”, and
touch the [ENTER] sensor.
The antenna under use is displayed on the liquid crystal dis-
play.
play.
Touch the [ENTER] sensor, return to item selection screen.
11. Touch the [PRESET +] sensor to select the “REC”, and touch
the [ENTER] sensor.
Whether the audio source that has been reproduced can be re-
corded is displayed on the liquid crystal display.
corded is displayed on the liquid crystal display.
Touch the [ENTER] sensor, return to item selection screen.
12. Touch the [PRESET +] sensor to select the “DEMO”, and
touch the [ENTER] sensor.
The message “ON” or “OFF” appears on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the on/off can be changed.
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the on/off can be changed.
“ON” : Demo mode (Mode for demonstration at shops).
“OFF” : Normal mode.
Touch the [ENTER] sensor, return to item selection screen.
13. Touch the [PRESET +] sensor to select the “RF CHG”, and
touch the [ENTER] sensor.
The message “ON” or “OFF” appears on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the on/off can be changed.
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the on/off can be changed.
“ON” : The RF CHG function of DARR is on.
“OFF” : The RF CHG function of DARR is off.
Touch the [ENTER] sensor, return to item selection screen.
14. Touch the [PRESET +] sensor to select the “NA SEND”, and
touch the [ENTER] sensor.
The message “ON” or “OFF” appears on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the on/off can be changed.
play. Whenever the [PRESET +] and [PRESET –] sensors are
touched, the on/off can be changed.
“ON” : NACK is transmitted at the Bad_Sync.
“OFF” : NACK is not transmitted at the Bad_Sync.
Touch the [ENTER] sensor, return to item selection screen.
15. To release from this mode, press the [
?/1
] button. The setting
is maintained until turning off power.
AIR-SA50R
AIR-SA50R
7
7
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
LINE AMP
Q101
SDOUT_A
2
BCK
4
LRCK
6
I2C_SDA
I2C_SDA
7
CN501
EZW-RT10A
EZW-RT10A
I2C_SCL
I2C_SCL
10
INT
INT
14
RESN
RESN
I2C_SDA
I2C_SCL
INT
RESN
I2C_SCL
INT
RESN
9
VCC-3.3V
MODULE +3.3V
19
R-CH
R-CH
BUZZER AMP
Q102
BUZZER
26
S-AIR I2CDATA
77
S-AIR I2CSCL
78
S-AIR_GPIO2
67
S-AIR RST
58
A/D CONVERTER
IC302
SYSTEM CONTROLLER
IC401
VINL
13
VINR
14
DIGITAL POWER AMP
IC301
SDIN1
25
SDIN2
24
SCLK
23
LRCK
22
MCLK
34
DOUT 9
OUT_C 49
OUT_C 50
OUT_C 50
OUT_D 45
OUT_D 46
OUT_D 46
OUT_A 4
OUT_A 5
OUT_A 5
OUT_B 1
OUT_B 64
OUT_B 64
BCK 8
LRCK 7
SCKI 6
SDA
28
SCL
29
MUTE
21
DAMP DOUT 24
DAMP CLK 22
DAMP MUTE 21
VALID
36
DAMP VALID 23
PDN
17
AMP PDN 19
RESET
16
DAMP RST 25
CLOCK BUFFER
IC351
X351
12.288MHz
LPF
SP101
(L-ch)
SP201
(R-ch)
LPF
LPF
LPF
A5V_ON
ADC3.3V_ON
MODULE_ON
O_POWER
RESET
AC CUT
+7.8V
REGULATOR
IC905
POWER
UNIT
B+ SWITCH
Q905
POWER ON/OFF
Q901
D909,
D910
D910
(AC IN)
D903,
D904
D904
+7.7V
REGULATOR
IC901
D905,
D906
D906
+3.3V
REGULATOR
IC906
AMP +3.3V
MODULE +3.3V
POWER ON/OFF
Q902
+3.3V
REGULATOR
IC902
LED +3.3V
ADC +3.3V
+3.3V
REGULATOR
IC904
VCC +5V
+5V
REGULATOR
IC903
LCD +3.3V
+3.3V
REGULATOR
IC952
D907,
D908
D908
BUZZ +5V
B+ SWITCH
Q904
B+ SWITCH
Q952
+3.3V
+3.3V
REGULATOR
IC951
RESET SIGNAL
GENERATOR
IC403
AC DETECT
Q951
J302
AUDIO IN
S1
KEY_POWER
73
S-AIR KEY_PAIRING
79
LED DRIVE
Q1
STBY_LED
37
D1
STANDBY
I/1
KEY_S-AIR/AUDIOIN
72
S3
SLEEP/
BRIGHT
S2
S-AIR/
AUDIO IN
KEY_SLEEP/BRIGHTNESS
74
TSINT
TSRST
TSRST
TOUCH
KEY
BOARD
TSDATA
30
TSCLK
29
18
27
18
27
LED DRIVE
Q603
LIGHT1
52
LED DRIVE
Q604
LIGHT2
51
D603
(LCD BACK LIGHT)
LED DRIVE
Q602
SONY LOGO LED
53
D601
SONY
LED DRIVE
Q601
S-AIR LED
54
D602
S-AIR
REMOTE
CONTROL RECEIVER
IC601
I/R_OUT
4
BEEP
BZ601
28
LCD601
LIQUID
CRYSTAL
DISPLAY
5
4
3
2
4
3
2
LCD DATA 44
LCD SCL 42
LCD CE 43
LCD RS 45
LCD RS 45
1
LCD_RST 40
SDA
5
EEPROM DATA
EEPROM
IC402
47
SCL
6
EEPROM CLK 48
X401
32.768kHz
10
11
XCIN
XCOUT
15
13
X402
5MHz
XIN
XOUT
S-AIR_ID
97
A
B
C
S401
S-AIR ID
S402
PAIRING
50
BUZZ_MODE 81
AUIN +5V
B+ SWITCH
Q903
AUDIO_IN_MODE 82
49
38
35
12
20
SIGNAL PATH
: AUDIO
R-ch is omitted due to same as L-ch.