Read Panasonic KX-TCA285RU Service Manual online
55
KX-TCA285RU
KX-TCA285
58 MAIN BOARD No.2 2/2
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Start Monitor when "SFR" command is executed,
13.824MHz freguency will be output.
1.775V
6
5
4
8
7
C
E
B
A
D
F
LCD_CD
LCD_SID
LCD_SCL
LCD_CS
BT_PCM_OUT
BT_PCM_SYNC BT_PCM_CLK
A0
A1
A14 A15 A16
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
SRAM_CS
SRAM_WE
SRAM_OE
SRAM_BLE
SRAM_BHE
UTX
TDO
TDI
TCK
TMS
A17
RTCK
CP_ON
LCD_SCL
LCD_SID
LCD_CD
SDA_IIC
LCD_BL2
LCD_BL1
LCD_BL2
SCL_IIC
FL_DI
FL_DO FL_CLK FL_CS
BT_PCM_IN
URX
HEADSET_DET
ON/OFF
CHG_State
HEADSET_DET
CHG_State
LCD_RESET
KBIO_7
BT_ON
LCD_BL1
LCD_BL2
BELL_RED
BT_WakeUPOUT
BT_RESET
BELL_GREEN
A18
SCL_IIC
SDA_IIC
CP_ON
LCD_CS
LCD_RESET
LED524
LED521
GND
LED520
GND
VBAT_3.0V
LED522
LED523
GND
LED525
GND
IF_CLK_IF
IF_BAT_OK
IF_RX1
IF_MLSE
IF_T_DATA
IF_CDC_DIR
IF_CDC_DAT_AD
IF_CDC_DAT_DA
IF_CLK_PLL
IF_INT_ANA
IF_NPORST
IF_NARES
IF_DATA_AD
IF_DATA_DA
IF_EN_AD
IF_EN_DA
GND
GND
CP_ON
VDDC
VDDC
VDDC
GND
C108
GND
GND
C106
C105
GND
GND
C104
0.1u
0.1u
0.1u
C102
GND
C101
0.1u
0.1u
GND
C116
C115
C114
C113
C112
C111
0.1u
0.1u
GND
GND
GND
C117
0.1u
GND
C107
0.1u
0.1u
C110
NC
GND
GND
C109
NC
LED526
LED527
LED528
LED529
SLC
MODQ
DOUT3.0V
GND
DOUT3.0V
GND
GND
GND
HEADSET_DET
CN3
11
11
VCI
CN3
7
7
DB0_SDA
CN3
3
3
5V
CN3
9
9
NRESET
CN3
2
2
LED1
CN3
8
8
NCS
CN3
10
10
DNC_SCL
CN3
4
4
VSSA
CN3
1
1
LED2
CN3
5
5
IOVCC
CN3
6
6
NWR_RNW
ON/OFF
KBIO_7
5.0V
DOUT3.0V
CHG_State
Q521
Q528
BT_ON
GND
R401
10k
R518
R519
R520
R521
R522
R524
R525
R526
RA401
1 23
4
GND
R403
NC
R506
R510
R507
R511
Q523
CKM
C507
0.1u
R505
R509
470
470
120
120
3.3k
3.3k
Q527
Q524
IC100
39
IF_CLK_O 40
IF_CLK_PLL 41
IF_DATA_AD 42
IF_DATA_DA 43
IF_EN_AD 44
IF_EN_DA 45
IF_INT_TS 46
IF_NARES 47
IF_NPORST 48
IF_MOD_I 49
IF_MOD_Q 50
IF_SYNC_MTCH 51
IF_SLC_CTRL_DA 52
IF_T_DATA 53
IF_VDDC_SENSE 54
IF_VDDIO_SENSE 55
VDDC3 56
CHARGE_PUMP 57
EBI_LCD0/CS1 58
EBI_LCD1/DATA0 59
EBI_LCD2/DATA1
60
VDDEBI3
61
EBI_LCD3/DATA2
62
EBI_LCD4/DATA3
63
EBI_LCD5/DATA4
64
EBI_LCD6/DATA5
77
EBI_LCD16/DATA15
78
EBI_LCD17/WE_E
79
EBI_LCD18/OE_R_W
80
EBI_LCD19/BEB1
81
EBI_LCD20/CS0
82
VDDEBI6
83
EBI_LCD21/BEB0
84
EBI_LCD22/ADD1
85
EBI_LCD23/ADD2
86
GPIO27
87
VDDUSB
88
USB_DM/GPI28
89
USB_DP/GPI29
90
VDDC4
91
JTAG_TDO
92
JTAG_TDI
93
JTAG_TCK
94
JTAG_TMS
95
JTAG_RTCK
96
GPIO0/SCL_IIC
97
GPIO1/SDA_IIC
98
GPIO2
99
GPIO3
100
GPIO4
101
GPIO5
102
GND4
103 GPIO6
104 GPIO7
105 GPIO8
106 VDDIO1
107 GPIO9
108 GPIO10
109 GPIO11
110 EBI_LCD24/ADD3
111 EBI_LCD25/ADD4
112 EBI_LCD26/ADD5
113 VDDEBI7
114 EBI_LCD27/ADD6
115 EBI_LCD28/ADD7
116 EBI_LCD29/ADD8
117 EBI_LCD30/ADD9
118 EBI_LCD31/ADD10
119 EBI_LCD32/ADD11
120 VDDEBI8
121 EBI_LCD33/ADD12
122 EBI_LCD34/ADD13
123 EBI_LCD35/ADD14
124 GPIO12
125 GPIO13
126 GPIO14
127 GPIO15
128 GPIO16
1
GPIO17
2
VDDIO_1
3
GND1
4
EBI36/ADD15
5
EBI37/ADD16
6
EBI38/ADD17
7
VDDEBI1
8
EBI39/ADD18
9
EBI40/ADD19
10
EBI41/ADD20
11
VDDIO_2
12
GPIO18
13
GPIO19
14
GPIO20
15
GPIO21
16
GPIO22
17
GPIO23
18
GPIO24
19
GPIO25
20
GPIO26
21
VDDC1
22
VDDC2
23
EBI42/ADD21
24
EBI43/ADD22
25
EBI44/CS2
26
VDDEBI2
27
EBI45/WAIT
28
EBI46/CLK_BURST
29
EBI47/ADV
30
GND2
31
GND3
32
NC1
33
VDDINT
34
IF_BAT_OK
35
IF_CDC_DAT_AD
36
IF_CDC_DAT_DA
37
IF_CDC_DIR
38
IF_CLK_IF
65
EBI_LCD7/DATA6
66
EBI_LCD8/DATA7
67
NC2
68
VDDEBI4
69
EBI_LCD9/DATA8
70
EBI_LCD10/DATA9
71
EBI_LCD11/DATA10
72
EBI_LCD12/DATA11
73
EBI_LCD13/DATA12
74
EBI_LCD14/DATA13
75
VDDEBI5
76
EBI_LCD15/DATA14
P5
3V
R501
NC
NC
C502
IC401
9
P6
10
P7
11
*INT
12
SCL
13
SDA
14
VCCP
15
VCCI
16
ADDR
4 P2
8
P5
1 *RESET
2 P0
3 P1
5
P3
6
GND
7
P4
VBAT_3.0V
R523
R527
470
470
470
470
470
470
470
470
220
100
KEY BACKLIGHT
(Yellow Green)
128x160dot
To 1.8 TFT Color LCD
TO APU
LCD Backlight Anode
LCD Backlight Cathode
0.1u
0.1u
0.1u
0.1u
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