Schematic Diagram (Base Unit_Main) - Panasonic KX-TG7841S Service Manual

KX-TG7841/KX-TG7842/KX-TG7843/KX-TG7844/KX-TG7845/KX-TG365SK/KX-TG7871/KX-TG7872/KX-TG7873/KX-TG7874/KX-TG7875/KX-TG385SK/KX-TGA680

14.2. Schematic Diagram (Base Unit_Main)

Q661
WBX02 13pin
PARALLEL WIRE
AP1
R664
+3.0_CP2
C661
Q662
0.1u
13
LCD_SIO
LCD_VDD
LCD_GND
LCD_BLT
LCD_SCL
LCD_CD
LCD_RST
LCD_CS
ANS_LED
MSG_LED
SP_LED
MICN MIN
MICP MIP
1
15
CELL1_LED(G)
CELL2_LED(G)
KEYS_F
KEYIN2
KEYIN3
KEYS_B
KEYS_A
KEYS_C
KEYIN4
KEYIN1
KEYIN5
KEYIN6
KEYS_D
KEYS_E
LED_VDD
1
WBX01 15pin
PARALLEL WIRE
AP1
BT BLOCK
BT headset Rx
ANTENNA-BT ANT_BT
Cell Phone Tx
BT headset Tx
Cell Phone Rx
ANT_TP-BT
IO1
BT_3.0V
+3.0V
C721
0.1u
PIO2
25
IO2
GND12
26
3V
27
IC721
GND13
28
BT_SIO
SIO0/PIO5
29
BT_SOT
SOT0/PIO6
30
PCM_IN
31
BT_GND
PCM_CLK
32
BT headset Rx
Cell Phone Tx
NC: No Components
+5.5V
R661
39
Q663
NC
+3.0_CP2
NC
SPI2_DO
LCD_BLT
SPI2_CLK
LCD_CD
LCD_RST
LCD_CS KEYS_F
ANS_LED KEYS_E
MSG_LED KEYS_D
SP_LED KEYS_C
+3.0V
CELL1_LED
CELL2_LED
KEYS_F CHARGE_DET
KEYIN2
KEYIN3
KEYS_B
LCD_BLT
KEYS_A
KEYS_C
KEYIN4 KEYS_B
KEYIN1 KEYS_A
KEYIN5 KEYIN4
KEYIN3
KEYIN6
KEYIN2
KEYS_D
KEYS_E KEYIN1
KEYIN5
KEYIN6
SPI_DI
SPI_DO
SPI_CLK
TAM_CSn
BT_UTX
IC721
BT_URX
33 42
IO16
IO7 PIO7 PIO16
34 41
IO8 IO15
PIO8 PIO15
35 40
IO9 IO14
PIO9 PIO14
36 39
IO10 PIO10 PIO13 IO13
37 38
IO11 PIO11 PIO12 IO12
+3.0V
GND5
16
GND4
BT_RST
15
RESETB
14
BT_TCK
TCK
13
BT_TMS
BT_UTX BT_URX
TMS
12
X1/PIO4
11
BT_TDO
TDO
BT_UTX
10
TX
9
+3.0V
BT_MDO
IO3
BT_URX
PCM_DI
PCM_FSC
PCM_CLK
PCM_DO
BT headset Tx
Cell Phone Rx
MIN
SP Phone Tx
MIP
SPN
SP Phone Rx
SPP
+1.8V
1 8
2 7
3 6
VDD4: 3.0V
4 5
+3.0_CP
RA654
1k
VDD4
VDD5: 3.0V
MODEL
+3.0_CP2
VDD5
R511 NC
2.2u
C509
C510 NC
NC
C511
C512 1u
1k
RA652
1 8
2 7
3 6
4 5
1 8
2 7
3 6
4 5
RA651 1k
+3.0V
47k
R656
Q731 Q732
URX
UTX
GND
JTAG
+3.0_CP2
IC601
16M FLASH
1 8
*CS VCC
DO/IO1 RA601
2 7
560
*HOLD/IO3
3 6
*WP/IO2 CLK
4 5
GND DI/IO0
74
C458 0.033u
C457 0.033u
MIP MIN
C473 10p
C472 10p
C506
2.2u
CP_C2x
49
CP_C1y
50
CP_VBAT2
51
CP_C2y
52
CP_VOUT1
53
CP_VOUT2
54
PON/P1_6
C505 0.1u 55
VDD2
56
STM/CKM/P15
P2_7/BXTAL
57
P1_5/INT5/RDI/VDDE
58
P1_4/INT4/TDOD
59
P1_3/INT3/SIO
60
P1_2/INT2/SK
61
P1_1/INT1/LE
62
P2_6/WTF_IN
63
P5_0
64
P5_1
65
P5_2
66 P0_7/SPI_DI/PWM1
P5_3
67 P0_6/SPI_DO
P5_4
68 P0_5/SPI_CLK
69 P0_4/SPI_EN
70
71
72
1 8
+1.8V
2 7
3 6
4 5
RA656
47k
+3.0V
C513
0.1u
1
A0
2
A1
3
A2
4
GND
SPI_CLK
SPI_DO
SPI_DI
TAM_CSn
C451 10u
C452 NC
(1)
C459
NC
1000p
C460
C461
+3.0V
NC
IC501
(2)
(3)
+2.8V
(4)
IC611
128K EEPROM
8
VCC
7 (5)
WP
6 (6)
SCL
5 (7)
SDA