Read Panasonic KX-TG7851CAB / KX-TG7852CAB / KX-TG7861CAB / KX-TGA785RUB Service Manual online
70
KX-TG7851CAB/KX-TG7852CAB/KX-TG7861CAB/KX-TGA785RUB
13.6. Handset
Rx RF
Tx RF
0.80V
0V
800mVp-p
SHORT
LCD_RESET
STB_D
STB_E
LCD_CS
STB_B
STB_C
LCD_SCL
KIN_4
KIN_
3
KIN_2
KIN_1
LCD_CD
KEY_LED
LCD_SID
EEP_WP
STB_F
STB_E
KIN_4
KIN_3
CHARGE_CTRL
CHARGE_DET
STB_C
STB_D
KIN_1
KIN_1
STB_B
STB_A
STB_F
SOCp
KIN_2
KIN_2
KEY_LED
LCD_LED0
SOCn
EEP_WP
GND
R61
1k
R60
NC
C69
K0.1u
GND
+1.8V
RF_TXn
RF_TXp
RF_TXp
RF_RXn
RF_RXp
C44
K0.1u
R20
F56k
GND
C4
3
D10p
GND
C15
39p
VBAT
GND
GND
VBAT
+1.8V
C45
K0.1u
GND
C40
K0.1u
F1
2.5A
CHG-
GND
GND
C6
K0.1u
R7
820
R9
30k
Q3
R2
30k
C19
K1000p
R6
10k
GND
C866
K0.1u
STM
*Q6
GND
*R15
1.5k
CP4V
C5
K0.1u
CP2.8V
C1
220u
6.3V
GND
C47
1u
R3
NC
GND
X1
10.368MHz
JTAG
Q9
CHG+
IC1
3
RFP1
4
RFP0
5
REF_RES
6
AVS_XTAL
7
XTAL2
8
XTAL1
9
AVD_XTAL
10
RF_SUPPLY1
11
P
3
_4/PARADET
54
VDD1
55
P2_7/BXTAL
76
P2_2/PCM_CLK/CLK100
77
WLED_CUR_0
78
WLED_CUR_1
79
P2_1/ECZ2/PWM1/LED4
80
P2_0/ECZ1/PWM0/LED3
81
LDORF_CTRL
82
VDD3
83
RFP0n
84
RF_SUPPLY2
1
RF_RXn
2
RF_RXp
12
P
3
_5/RINGOUT/RINGING
1
3
P
3
_6/RINGn
14
P
3
_7/RINGp
56
P1_5/INT5/RDI/VDDE
57
P1_4/INT4/TDOD
58
P1_
3
/INT
3
/SIO
74
P2_4/SCL1/PCM_DO/DP3
75
P2_3/SDA1/PCM_DI/DP2
85
RF_SUPPLY_PA
86
RF_TXn
87
RF_TXp
59
P1_2/INT2/SK
88
RFP2
89
GND
60
P1_1/INT1/LE
61
P2_6/WTF_IN
62
P0_7/SPI_DI/PWM1
6
3
P0_6/SPI_DO
64
P0_5/SPI_CLK
65
P0_4/SPI_EN
66
P0_
3
/SCL2/URX2
67
P0_2/SDA2/UTX2
68
P0_1/URX/PWM0
69
P0_0/UTX
70
VDD2
71
*RSTn
72
JTAG
73
P2_5/PCM_FSC/SF
RA5
3.3k
RST
BATT+
BATT-
UTX
URX
GND
VBAT
CN5
1
LED+
CP4V
C115
K1u
Q2
Q4
UP
RIGHT
DOWN
LEFT
2
7
6
0
TALK
5
SHARP
9
1
8
ECO/R
SOFT_A
SFK
AST
3
SP
SOFT_C
4
IC3
16k
1
A0
2
A1
6
SCL
7
WP
3
A2
8
VCC
4
GND
5
SDA
OJ4
CKM
R8
4.3
(3216)
C46
1p
R45
0.1
*LED
2
*LED6
*LED1
*LED5
*LED4
*LED
3
*RA2
560
1
2
3
45
6
7
8
*RA
3
560
1
2
3
4
TO RF BLOCK
To Charge
Terminal
Terminal
To Battery
(TGA68x = Amber)
KEY B/L LED
R60
(TGA785 = Amber)
R45
@RL06JTNR10
1/2
(1)
(2)
(2)
(4)
(3)
!
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