Schematic Diagram (Handset) - Panasonic KX-TG8200BXB Service Manual

KX-TG8200BXB/KX-TGA820BXB

12.3. Schematic Diagram (Handset)

Charge Current
J1 F1
5.6n
NC
J2
R47 5.6k
L24
R46 5.6k
TP20
L4
J3
NC
J4
Q5
TP21
+2.5V
UTX R61 1k
URX R62 1k
GND
JTAG R63 100
COL0
COL1
COL2
COL3
COL4
COL5
+4.2V
Q7
NC: No Components
BAT BATTERY
+4.2V
D1
L1
47u
Q1
R2
68
Q4 D7
Q9
(When on charge)
+2.5V
UTX
URX
ROW1
R183 10k
MIDI_CS
JTAG
LCD_BACK
LCD_CSB
RESET
MIDI_SDA
MIDI_SCL
LCD_CD
ROW2
R107
BATTERY
SW1
up 8 R
1 4
Push
2 5
3 6
7
L down
CL1
300mVp-p
CL2
0.65V
0V
+2.5V
Backlight On 4.0V
Backlight Off 3.5V
3.3V
Q23
VDD4 +3.3V
VDD3
384kHz
(Talk Mode)
+2.5V
R201
100k
1s
R15
C30
3.3k
C168
R196
100n
0
+1.8V +2.5V
C19 1u
1
*INT1/P11
2
VDDIO1
3
VDD1
C24
4
VSS1
5
LED1/PWM0/P20
6
LED2/PWM1/P21
7
R106 100
LED3
8
LED_BIAS/P36/PD6
9
SDA1/P25
100
10
SCL1/P24
11
*INT5/VDDE/P15
12
*INT2/P12
13
AVD
C20
14
AVS
15
CAP
16
Xtal1
17
VSSRF
18
RFCLKp
19
C25 RSSI/RFCLKm
20
VDDRF
+3.3V
C161
NC
TX DATA
RX DATA
72
2.5V
+2.5V VDD2
Q3
except RU/UA
R167 : 0
R168 : NC
for RU/UA
R167 : NC
R168 : 0
POWER
C38
1
R11
S1
39k
60
LDO2_CTRL
59
LDO1_CTRL
58
VBAT1
57
DC_Sense
56
DC_CTRL
C18
55
DC_I
54
DC_STAB
1n
53
*RST
52
IC1
P17/CHARGE/INT7
51
P23/ADC1
50
BBIC
VDD3
49
VSS3
48
P07/SPIDI/PCM_DIN
47
P06/SPIDO/PCM_DOUT
46
P05/SPICLK/PCM_CLK
45
P04/SCL2
44
P03/SDA2
43
P02/JTIO
42
P01/URX
41
P00/UTX
+4.2V
R71
Q12
1.8V
+1.8V VDD1
Q2
(1)
(2)
(3)
(4)
(5)
+1.8V
2
(6)
(7)
(8)
(9)
C8
220n
(10)
R200 47k
C21
(11)
LCD_SDA
R103 100
LCD_SCL
R104 100
(12)
(13)
JTAG
URX
UTX
R182 0
(14)
(15)
(16)
LED1
47
LED-