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KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
14.5. Schematic Diagram (Handset_Main)
!
F1
BATT+
2.5A
To Battery
GND
BATT-
GND
Q10
R14
1k
R6
220k
GND
GND
CHG+
CHARGE
Terminal
CHG-
GND
GND
GND
RA61
2
3
UTX
URX
1
4
220
R63
JTAG
100
GND
GND
COL0
COL1
COL2
COL3
COL4
COL5
BATTERY
3.0V
KEY B/L
BELL LED
(Amber)
LED12
GND
GND
*RA30
470
NC: No Components
Charge Current
BAT
BATTERY
GND
GND
R11
1.0
Q12
Q11
R13
680
R5
3.3(3216)
1.2k
+1.8V
R3 1k
CP_V2
CP_V2
LCD B/L
*RA32
150
*RA31
470
Q7
R10
1.5k
GND
GND
GND
Q5
C19
K1000p
R8
R9 30k
30k
R4
Q4
Q6
R31
10k
Q9
GND
UTX
URX
JTAG
TX_RF
TO RF BLOCK
RF_TXn
RF_TXp
TXON
RX_RF
RF_RXn
RF_RXp
78
R1 NC
D1
GND
GND
GND
+1.8V
61 P0_0/UTX
C44
K0.1u
62 RSTn
63 JTAG
LCD_CSB
64 P2_5/PCM_FSC/SF
65 P2_4/SCL1/PCM_DO/DP3
STM
66 P2_3/SDA1/PCM_DI/DP2
LCD_RESET
67 P2_2/PCM_CLK/CLK100
68 WLED_CUR_0
69 WLED_CUR_1
70 WLED_CUR_2
71 P2_1/ECZ2/PWM1/LED4
BELL_LED
72 P2_0/ECZ1/PWM0/LED3
73 VDD2
C45
K0.1u
74 LDORF_CTRL
75 RFP0n
C46
D10p
76 RF_SUPPLY2
77 RF_SUPPLY_PA
78 RF_TXn
C865 10p
79 RF_TXp
80 RFP2
97
BATTERY
GND
10.368M
C580
D10p
to LCD UNIT(Monochrome 1.8inc FullDot)
(1)
GND
GND
(2)
CKM
GND
POWER
(3)
(4)
(5)
(6)
(7)
GND
1k
RA1
IC1
GND
(8)
X1
1
3
2
GND
(9)
CP2.8V
C173
NC
GND
C174
C175
K1u
R55
1k
K1u
GND
Heat Shield
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