Read Panasonic KX-TG2238CG Service Manual online
31 SCHEMATIC DIAGRAM (HANDSET)
5
KEY5
SP_PHONE
SP_PHONE
KEY
*
6
KEY6
1
KEY1
3
KEY3
4
KEY4
MENU
MENU
KEYSYA
#
KEY0
0
2
KEY2
100
R201
LED201
KEY9
9
KEY7
7
100
R203
Q201
LED203
100
R202
LED204
100
R204
LED202
LED205
82
R207
LED207
82
R205
LED206
Q202
82
R206
0.1
C203
1K
R209
IC202
1
CS
2
SO
3
WP
4
VSS
5
SI
6
SCK
7
HOLD
8
VCC
KEY8
8
K0.1
C207
K0.1
C210
K0.1
C206
K0.1
C209
K0.47
C212
430K(1%)
R217
K0.47
C215
K0.47
C211
K0.1
C208
820K(1%)
R218
MUTE
MUTE
RDL
RDL
TALK
TALK
FLASH
FLASH
UP
UP
LEFT
LEFT
RIGHT
RIGHT
OFF
OFF
CN201
1
RESETB
2
VSS
3
CAP1+
4
CAP1-
5
CAP2+
6
CAP2-
7
V
OUT
8
VR
9
V0
10
V1
11
V2
12
V3
13
V4
14
VDD
15
DB4
16
DB5
17
DB6
18
DB7
19
CSB
20
E_RD
21
R
W_WR
22
RS
DOWN
DOWN
ANT
CS
C291
0.1
10K
R210
C279
NC
ANTG
NC
C868
C2P
C858
C2P
C869
C2P
C861
C2P
C859
NC
C864
C2P
C867
D10P
C863
K0.01
C866
J220P
C865
D10P
C862
C2P
C857
C2P
C856
R240
0
SI SCK
SO
WP
MA27P0700L
D801
D10P
C816
K1000P
C828
C823
6.3V10
D10P
C803
K1000P
C829
TESTN
10K(1%)
R810
(1608)
NC
C806
0.1
C820
1.0
C830
C833
6.3V10
K1000P
C824
K390P
C819
D10P
C860
D10P
R806
K1000P
C821
FL801
3
1
4
2
2.2nH
L805
K1000P
C827
D10P
C811
D802
D10P
C813
10
R802
330
R805
NC
C826
C1P
C822
10nH
L801
NC
C832
0.1
C818
1.0
C831
D10P
C815
0.1
C817
10nH
L806
D10P
C807
K1000P
C801
TP_FREQ
10nH
L804
K680P
C825
1uH
L807
(1608)
C1P
C802
IC801
1
TX
2
GND_RF
3
RX
4
VCC_RF
5
VCC_BIAS
6
REXT
7
TESTP
8
TESTN
9
VCC_IF
10
XOUT
11
XIN
12
VREG
13
VDD
14
RSSI
15
RSTN
16
RX_D
A
T
A
17
SHCNTL
18
VCC_DIG
19
VCC_PLL1B
20
VCC_PLL1A
21
TXEN
22
RXEN
23
VCC_PLL2B
24
VCC_PLL2A
25
RXGAIN
26
BCLK
27
TXMOD
28
SYN_CLK
29
SYN_EN
30
SYN_D
A
T
A
31
VDD_P
A
32
VCC_P
A
2.7nH
L803
4.7
R804
TESTP
10
R803
D10P
C805
C809
NC
C1P
C804
10
R801
NC
C812
SYN_DATA
SYN_EN
SYN_CLK
TXMOD
RXGAIN
RXEN
TXEN
SHCTRL
RX_DATA
RSTN
RSSI
Vpow
OSC
NC
C835
1.5P
C814
D10P
L201
3.9nH
L802
TEST
NC
L808
NC
R811
NC
R812
NC
R813
R808
NC
R807
NC
KEYIN_1
KEYIN_3
KEYIN_4
KEYIN_5
KEYIN_2
LIGHTED KEY
RF_UNIT
LCD
LCD_Back-Light
VBAT
*
(1)
(2)
(2)
(9)
(14)
(23)
(42)
(3)
(8)
~
(10)
(13)
~
(15)
(22)
~
(24)
(28)
~
(29)
(41)
~
%%
KX-TG2238CS
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