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AIR-SA50R
AIR-SA50R
11
11
4-4. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
• See page 17 for Waveforms. • See page 18 for IC Block Diagrams. • See page 20 for IC Pin Function Description.
Note 1: IC401 on the MAIN board cannot exchange with single. When this
part is damaged, exchange the entire mounted board.
Note 2: When the TOUCH KEY board is damaged, exchange the
entire PANEL (FRONT) SUB ASSY.
BOARD
C
KEY
SLEEP
BOARD
B
KEY
POWER
D
BOARD
LCD
IC B/D
IC B/D
(1/3)
1
BOARD
MAIN
(2/3)
3
BOARD
MAIN
1
2
0
3.2
3.2
0.7
0.9
1.8
0.7
3.3
3.3
0
3.2
3.3
0
3.1
3.3
3.2
0.7
0
0
1.6
3.3
3.3
3.3
0.9
0.9
3.3
0.9
3.3
3.3
0
0
0.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
3.3
3.3
0
3.3
0
3.3
0
3.3
0
0
0
0
0
3.3
3.3
1.6
3.3
3.3
3.3
3.3
3.3
3.3
8.4
3.3
4.7
1.3
11
.1
11
.1
3.3
11
.1
12.2
11.1
11.8
0.6
0
3.3
3.2
470k
R405
100k
R412
32.768kHz
X401
220k
R467
0.01
C408
IC403
1
VOUT
2
VIN
3 NC
4
VSS
0.01
C955
4P
CN706
1
LED+B
2
STBY LED
3
GND
4
KEY_POWER
IC401
1
NC
2
NC
3
NC
4
IR_IN
5
NC
6
NC
7
NC
8
BYTE
9
CNVSS
10
XCIN
11
XCOUT
12
RESET
13
XOUT
14
VSS
15
XIN
16
VCC1
17
NMI
18
TSINT
19
DAMP
PDN
20
AC CUT
21
DAMP
MUTE
22
DAMP
CLK
23
DAMP
V
ALID
24
DAMP
DOUT
25
DAMP
RST
26
BUZZER
27
TSRST
28
BEEP
29
TSCLK
30
TSDA
TA
31
TXD1
32
RXD1
33
CLK1
34
RTS1
35
O_POWER
36
NC
37
STBY_LED
38
MODULE_ON
39
CLOCK
40
LCD_RST
41
EPM
42
LCD SCL
43
LCD CE
44
LCD DATA
45
LCD RS
46
FLASH CE
47
EEPROM DATA
48
EEPROM CLK
49
ADC3.3V_ON
50
A5V_ON
51
LIGHT2
52
LIGHT1
53
SONY
LOGO LED
54
S-AIR LED
55
NC
56
NC
57
NC
58
S-AIR RST
59
60
NC
NC
61
NC
62
VCC2
63
NC
64
VSS
65
NC
66
NC
67
S-AIR_GPIO2
68
NC
69
NC
70
NC
71
NC
72
KEY_S-AIR/AUDIOIN
73
KEY_POWER
74
KEY_SLEEP/BRIGHTNESS
75
NC
76
NC
77
S-AIR I2CDA
TA
78
S-AIR I2CSCL
79
S-AIR KEY_P
ARING
80
NC
81
BUZZ_MODE
82
AUDIO_IN_MODE
83
DC_DET
84
NC
85
NC
86
NC
87
NC
88
NC
89
NC
90
NC
91
NC
92
NC
93
NC
94
L+R
95
SPEC_1
96
AVSS
97
S-AIR_ID
98
VREF
99
AVCC
100
NC
IC402
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
0.01
C410
1k
R431
7P
CN702
1
VDD
2
GND
3
RESN
4
SDA
5
SCL
6
TINT
7
TOUCH BEEP
1
C956
16V
1000
C951
10p
C404
2SC4154TP-1EF
AC DETECT
Q951
5MHz
CF401
10p
C422
470k
R429
100
R452
0
R436
1k
R427
0.01
C407
3P
CN704
1
KEY_SLEEP
2
KEY_S-AIR/AUDIOIN
3
GND
100
R453
TK11133CSCL-G
IC952
1
2
3
4
5
0.01
C952
1
C953
14P
CN703
1
2
3
4
5
6
7
8
9
10
11
12
13
14
0.01
C961
1k
R456
0.1
C406
0.1
C411
8p
C405
470k
R471
0.1
C432
0.1
C414
0.1
C415
0.1
C416
0.1
C417
IC951
1
NC
2
VIN
3
VOUT
4
VSS
5
VIN
6
P-ON
47k
R955
2SC4154TP-1EF
B+ SWITCH
Q952
0.1
C958
10p
C421
C954
4.7
220k
R957
100
R463
10k
R434
100
R450
100
R449
100
R448
1k
R403
1k
R460
100
R464
100
R461
1k
R457
1k
R459
1k
R474
100
R451
100
R462
1k
R458
1k
R447
1k
R446
100
R442
1k
R428
1k
R443
1k
R440
10k
R433
100
R435
100
R444
1k
R438
100
R439
1k
R441
1k
R432
100
R445
1k
R430
100
R404
10M
R466
10k
R418
1
C401
10k
R482
1
C957
10k
R956
10k
R951
REGULATOR
+3.3V
1k
R952
1k
R421
1k
R419
1k
R420
100
R415
100
R416
1k
R414
1k
R422
10k
R470
1k
R411
1k
R409
1k
R437
1k
R410
1k
R408
10k
R424
10k
R425
10k
R423
10k
R475
1k
R407
1k
R406
1k
R401
1k
R481
1
C402
22k
R472
2200
R484
1
C403
1k
R402
100k
R483
1k
R454
0
R455
S-24CS02AFT-TB-G
R5F3640DDFAR-128
XC61CN2702NR
S-812C33BPI-C4NTFG
SYSTEM CONTROLLER
IC401
IC952
+3.3V REGULATOR
S402
PAIRNIG
IC403
IC951
IC402
EEPROM
MAIN BOARD (3/3)
A5V_ON
SCL
PDOWN
AMP_RST
INT
BUZZER
MUTE
VCC12V
I2C_SCL
GND
POWER_ON
VALID
SDA
RESN
ADC3.3V_ON
I2C_SDA
LOGO_LED
LED+B
LIGHT2
LIGHT1
SA_LED
I/R OUT
LCD3.3V
GND
LCD_DATA
LCD_SCL
LCD_CE
LCD_RS
LCD_RST
TOUCH BEEP
LED+B
MODULE_ON
CNT
NP
GND
VOUT
VIN
AUDIO_IN_MODE
BUZZ_MODE
GENERATOR
RESET SIGNAL
BOARD
TOUCH
KEY
S-AIR
ID
S401
A
B
C
J
4
B
16
6
9
11
D
15
H
L
10
K
17
3
5
12
C
F
18
M
1
19
E
8
G
14
A
2
13
I
7
(Page 16)
(Page 16)
(Page 16)
(Page 10)
(Page 9)
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