Schematic Diagram (Handset_Main) - Panasonic KX-TG5771BXS Service Manual

KX-TG5771BXS/KX-TGA570BXS

13.5. Schematic Diagram (Handset_Main)

RXI TXE RXE TXO BCK
OSC_IN
RSSI
RSSI
TX_DATA
TX_DATA
PA_CONT
PA_CONT
RX_EN
RX_EN
TX_EN
TX_EN
RX_GAIN
RX_GAIN
RX_DATA
RX_DATA
CON_EN
CON_EN
SYN_LE2
SYN_LE2
RADIO_EN
SHCTRL
SHCTRL
RF_RESET
RF_RESET
SYN_DATA
SYN_DATA
SYN_LE1
SYN_LE1
SYN_CLK
SYN_CLK
SYN_OUT
SYN_OUT
VRF
VRF
GND
Q251
2
1
3
Amber
Blue_Amber_Green
LED261
NC: No Components
IC246
15 14
NC6 SO
16 13
NC7 SI
17 12
NC8
SCK
18 11
NC9 *CS
19 10
NC10 NC5
20 9
NC11 NC4
21 8
NC12
NC3
22 7
NC13 GND
23 6
NC14 VCC
3.1V
24 5
NC15 NC2
25 4
NC16
NC1
26 3
NC17 *WP
27 2
NC18 *RESET
28 1
NC19
FLASH-4M
BACK FLASH LEFT TALK
DOWN * 7
MENU 0 8
UP SYA 9
NEXT HOLD RIGHT OFF
C261 K0.1
R264 NC
Amber
92
CON_EN
RF_RESET
SHCTRL
SYN_LE1
SYN_CLK
SYN_DATA
RX_EN
TX_EN
RX_GAIN
RX_DATA
SP
KIN_5
4 1
KIN_4
5 2
LCD_SCL
KIN_3 LCD_SI
6 3
TE
KIN_2
PAUSE
KIN_1
R286
CN271
1.5IN_DOT_LCD
(1)
R340 NC
C340 K0.1
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
1k
(11)
(13)