Schematic Diagram (Handset_Main) - Panasonic KX-TG6071BXM Service Manual

KX-TG6071BXM/KX-TGA601BXM

13.5. Schematic Diagram (Handset_Main)

RF circuit
TXO BCLK
RXI
BCLK
TX_DATA
TX_DATA
SLOT_CTRL
SLOT_CTRL
RX_DATA
RX_DATA
RF_POWER
RF_POWER
RADIO_EN
RF_RSTN
RF_RSTN
SYN_DATA
SYN_DATA
SYN_EN
SYN_EN
SYN_CLK
SYN_CLK
SYN_OUT
SYN_OUT
V_PA
V_PA
V_RF
V_RF
GND
2
VIN
VOUT
IC381
VSS
3.3V_REG
1
Charge pump for
LCD back light
C564 K0.1
R560
NC
5.0V
Q561
Q562
E
B
C
RA551
330
LED561
KEY_BACKLIGHT
(Amber) (Y.Green_Amber_Red)
NC: No Components
C552
NC
C551 R552
NC NC
3 R554
1
2
NC
Q551
NC
RF control line
R540 NC
C540 K0.1
Flash memory for booting
1 8
SI SO
2 7
SCK GND
3 6
*RESET VCC
4 5
*CS *WP
IC546
NC
3
Regulator for RF power amplifier
BACK FLASH LEFT TALK
DOWN * 7 4
MENU 0 8 5
UP SYA 9 6
HOLD RIGHT OFF PAUSE
NEXT
Q555
RA565
NC
White_LED
ANT_LED LCD_BACKLIGHT
(Amber)
BGPIO9
C554
NC
SYN_EN
SYN_CLK
SYN_DATA
TX_EN
RX_DATA
SP
KIN_5 DB4
1 DB5
DB6
KIN_4
DB7
2
KIN_3 RESETB
3
TE
KIN_2
KIN_1
C573 K0.1
3L_DOT_LCD
LCD_BACKLIGHT
88
DSP Part (control circuit)
26
RADIO_EN
27
HEAD_DET
28
GND
29
VCC
30
SYN_EN
31
SYN_CLK
32
SYN_DATA
33
NC
34
TX_EN
35
OSC_BUF
36
RX_DATA
37
NC
IC501
38
CHG_DET
39
CHG_CTL
40
LCD_BACK_LIGHT
41
NC
42
NC
43
NC
44
DB4
45
DB5
46
DB6
47
DB7
48
GND
49
VCC
50
RESETB
CI
RESETB
R573 820K (1%) R572 430K (1%)
CA571
1 4
2 3
0.47uF
20ms
Power ON
(Reset)
Parameter saving EEPROM
(1)
(2)
RST
(3)
X501
13.824MHZ
R501 NC
(4)
(5)
100
SPPN
99
VCC
98
SPN
97
SPP
96
IBAT2
95
HSM
94
VCCA
93
GND
92
MICBIAS
91
MIM
90
MIP
89
VREF
88
(6)
IBAT1
87
PDN
86
GND
85
EE_WP
84
UART_RX
83
UART_TX
82
EE_SDA
81
EE_SCL
80
FB
79
FB
78
KIN_5
77
KIN_4
76
KIN_3
(7)
TCK
TMS
TDI
TDO
(8)
(9)
(10)
R542 1k
R541 10k
(11)
(12)
(13)
(14)
(15)
(16)
(17)