3. H/W Circuit Description
- 30 -
I. Touch Keys
When the folder closed you can control three touch keys , ‘PLAY’, ‘REW’, ‘FWR’ The ‘PLAY’ key is
connected to the TP100, the ‘REW’ key is connected to the TP103 and the ‘FWR’ key is connected to
the TP103. When you touch one of three keys, the ‘CY8C21434’ senses a variation of capacitance at
the touch pad and the TCH_ACK signal goes to ‘LOW’ and communicate with DBB by I2C-BUS. Two
touch LEDs are controlled by ‘CY8C21434’, which uses current sink type.
KEYPAD
SIDE_CAMERA
SIDE_VOLUME
SP77
SP82
SP32
SP45
SP39
SP62
SP57
SP40
SP23
SP55
SP22
SP37
SP86
SP70
SP35
SP47
SP49
SP30
SP64
SP61
SP42
SP59
SP88
SP90
R302
100
VA302
EVLC14S02050
SP56
SP38
SP54
SP72
SP80
SP73
SP52
SP51
SP69
SP68
SP11
SP13
SP48
SP9
SP46
SP43
SP10
SP44
SP89
SP7
SP87
SP3
SP5
SP85
SP53
SP84
SP92
SP71
9
SP67
8
SP28
SP66
SP65
SP25
SP63
SP60
SP26
END
SP91
SP21
SP20
EVLC14S02050
VA305
SP36
SP78
VA304
EVLC14S02050
SP93
100
R305
KB302
SP31
SP29
RIGHT
SP41
UP
SP79
SP81
SP17
SP50
SP15
6
SP12
5
SP74
2
SP8
1
DOWN
SP58
OK
SHAP
SP2
0
SP83
SP75
SP76
4
CLEAR
LEFT
SP27
SP24
100
R303
F3
SEND
SP14
R306
100
7
SP33
F1
SP34
R304
100
KB301
3
SHUT
EVLC14S02050
VA301
SP6
SP19
SP4
SP18
STAR
SP16
F2
KB303
EVLC14S02050
VA303
KBR(0)
KBR(4)
KBR(3)
KBR(2)
KBR(1)
KBC(4)
KBC(5)
KBC(3)
KBC(2)
KBC(1)
KBC(0)
PWON
Figure 16. Keypad Scanning ckts
Figure 17. Touch Key ckts
200
R101
3V3_TCH
SML-A12UT
LD100
TP104
R104
1K
VSS2
17
XREX
P1_6
8
P1_7
P2_0
20
P2_1
5
21
P2_2
4
P2_3
P2_4
22
P2_5
3
23
P2_6
2
P2_7
P3_0
18
P3_1
7
19
P3_2
6
P3_3
28
VDD
32
VSS1
12
33
GND
P0_0
24
P0_1
1
P0_2
25
P0_3
31
26
P0_4
30
P0_5
P0_6
27
P0_7
29
P1_0
13
P1_1
11
14
P1_2
10
P1_3
P1_4
15
P1_5
9
16
1K
R103
U100
CY8C21434
TP102
R102
1K
3V3_TCH
R100
200
C100
0.1u
LD101
SML-A12UT
TP100
TP103
TP105
TP101
Summary of Contents for MG810c
Page 1: ...Date May 2006 Issue 1 0 Service Manual MG810c MG810d Service Manual Model MG810c MG810d ...
Page 3: ... 2 ...
Page 5: ......
Page 46: ...4 TROUBLE SHOOTING 45 WR CS ADSSSSS CS ADSSSSS WR ...
Page 52: ...4 TROUBLE SHOOTING 51 G 1 Speaker Receiver Trouble Shooting Common Path ...
Page 53: ...4 TROUBLE SHOOTING 52 G 2 Speaker Receiver Trouble Shooting Acoustic Path ...
Page 54: ...4 TROUBLE SHOOTING 53 G 3 Speaker Receiver Trouble Shooting MP3 AAC Path ...
Page 55: ...4 TROUBLE SHOOTING 54 G 4 Speaker Receiver Trouble Shooting FM Radio Path ...
Page 56: ...4 TROUBLE SHOOTING 55 G 5 Main Mic Path Trouble Shooting ...
Page 57: ...4 TROUBLE SHOOTING 56 G 6 Ear Mic Receiver Path Trouble Shooting ...
Page 58: ...4 TROUBLE SHOOTING 57 G 7 Ear Mic Mic Path Trouble Shooting ...
Page 59: ...4 TROUBLE SHOOTING 58 G 8 Vibrator Trouble Shooting ...
Page 60: ...4 TROUBLE SHOOTING 59 4 2 RF Part Troubleshooting A RF Receiving Path Trouble Shooting ...
Page 64: ...4 TROUBLE SHOOTING 63 E RF Receiving Path Trouble Shooting FEM 1 ...
Page 65: ...4 TROUBLE SHOOTING 64 F RF Receiving Path Trouble Shooting FEM 2 ...
Page 67: ...4 TROUBLE SHOOTING 66 H RF Transmitter Path Trouble Shooting ...
Page 73: ...4 TROUBLE SHOOTING 72 N RF Transmitter Path Trouble Shooting FEM 1 ...
Page 74: ...4 TROUBLE SHOOTING 73 O RF Transmitter Path Trouble Shooting FEM 2 ...
Page 84: ...6 Block Diagram 83 6 Block Diagram ...
Page 85: ... 84 ...
Page 96: ... 95 8 PCB LAYOUT ...
Page 97: ... 96 8 PCB LAYOUT ...
Page 98: ... 97 8 PCB LAYOUT ...
Page 99: ... 98 8 PCB LAYOUT ...
Page 100: ... 99 8 PCB LAYOUT ...
Page 101: ... 100 8 PCB LAYOUT ...
Page 111: ... 110 ...
Page 113: ... 112 ...
Page 133: ...Note ...
Page 134: ...Note ...