Schematic Diagram (Handset_Main) - Panasonic KX-TG3611BXB Service Manual

KX-TG3611BX/KX-TG3612BX/KX-TGA361BX

14.4. Schematic Diagram (Handset_Main)

TRXD
BCLK
SLOT_CTRL
TRX_DATA
RADIO_EN
RF_RSTN
NC C519
SYN_DATA
SYN_EN
SYN_CLK
SYN_OUT
V_PA
IC741
V_RF
2.7V
NC
4
ON/OFF
VSS
ANT1
VOUT
ANT1
VIN
5
2.7V
BACK
DOWN
MENU
UP
NEXT
*Q564 Q565
NC
Talk
ANT_LED
(Green) KEY_BACKLIGHT
(Amber)
LCD
(Amber)
NC: No Components
BCLK
R540 NC
SLOT_CTRL
TRX_DATA
RF_RSTN
SYN_DATA
V_PA around 2.6V
SYN_EN
IC546
SYN_CLK
3.1V
SYN_OUT
1
SI
2
SCK
3
*RESET
4
*CS
RF_POWER
NC
3
2
For Flash Boot
1
3.1V
FLASH LEFT TALK SP
KIN_5
* 7 4 1
KIN_4
0 8 5 2
KIN_3
SYA 9 6 3
TE
KIN_2
HOLD RIGHT OFF PAUSE
KIN_1
3.1V
*RA551 *RA552
220
NC
*Q562
LCD_BACKLIGHT
(Amber)
C540 K0.1
2.7V
8
SO
7
GND
C546
6
VCC
NC
5
*WP
RXI
R431
NC
SYN_EN
SYN_CLK
SYN_DATA
TX_EN
NC
R563
R564
NC
DB4
DB5
DB6
DB7
RESETB
20ms
Power ON
(Reset)
*C573
88
RST
TXO
26
RADIO_EN
27
HEAD_DET
28
GND6
29
VCC1
30
SYN_EN
31
SYN_CLK
32
SYN_DATA
33
NC4
34
TX_EN
35
NC5
36
RX_DATA
37
NC6
IC501
38
CHG_DET
39
NC7
40
OFFHOOK_LED
41
NC8
42
CHG_CTL
43
NC9
44
DB4
45
DB5
46
DB6
47
DB7
48
GND7
49
VCC2
50
RESETB
CI
K0.1 *R572 430K
820K (1%)
*R573
(1%)
(1)
X501
C515
13.824M
K0.1
R501
C514
1M
10uF
6.3V
(2)
(3)
100
SPPN
99
VCC4
(VCCPA)
98
SPN
97
SPP1
96
IBAT2
95
HSM
94
VCCA
93
GND10
92
MICBIAS
91
MIM
90
MIP
(4)
89
VREF
88
IBAT1
87
PDN
86
GND9
85
EE_WP
84
UART_RX
83
UART_TX
82
EE_SDA
81
EE_SCL
80
FB2
79
FB1
78
KIN_5
77
KIN_4
76
KIN_3
TCK
TMS
TDI
TDO
RA501
4.7k
(5)
2.7V
IC541
1 8
A0 VCC
2 7
(6)
A1 WP
3 6
(7)
A2 SCL
4 5
(8)
VSS SDA
EEPROM-16K
(9)
(10)