Schematic Diagram (Handset Board And Charge); Schematic Diagram; Charge) (Kx-Fpc135) - Panasonic KX-FPC135 Service Manual

21 SCHEMATIC DIAGRAM (HANDSET BOARD AND CHARGE)

21.1. SCHEMATIC DIAGRAM (HANDSET BOARD AND CHARGE) (KX-FPC135)
(HANDSET BOARD)
D201
VDD
3.9 V
D204
L201
CHG(+)
CN202
L202 2 BATT+
CHG(C)
1 BATT-
Vss
L203
CHG(-)
55 mV
ZME
43
C218 0.01 KB
PDIN
44
RXDATA
C219 0.01 KB
BLIN
45
C216 C223 DOUT2 DATA-Filter
46
0.01 KB 0.068 KB
DIN2
47
DOUT1
48
C217 0.068 KB
DIN1
49
R217
VCC2-2
50
22
C221
51 VCC2-1
0.1 ZF
R211 R215 VREG
52
15K 15K
PREIN
53
C214
PREOUT
54
EXPDET
4700P
55
SPMUTE
56
J202
NC
R214
10
Q203
CHARGE ID
R221
Q204
R223 1K
Q201
TO RINGER
RINGER+
Q202
RINGER-
6 mV
MIC
TP_MIC
TO MIC
TX MIC1
INPUT
MIC2
TO SPEAKER
6.3V/10u
R219
NC
R212 NC
C222
SP1
5
SP2 6.3V/220u
4
MIC2
3
Q205
MIC1
2
GND
1
CN201
45 mV
RX TX
TXREG
RXREG
ZAP
28
3.0V
RESET
36mA RXSWOUT
30ms
27
MICMUTE
BATTLOW 26
BGR
3.5V
MIC2
25
Power Down MIC1 C238
TP212
TXREG
24
3.2V
3.0V
MICOUT 100P JC
34mA
23
COMPIN
IC201
22
C236 R234 C247
COMPDET
21
0.47u ZF
COMP C235
COMPCONT 82K 0.1 KB
COMPANDER
20
REG
1 ZF R232 27K
COMPOUT
3.0V
19
Pre-AMP SFIN R233 27K
Splatter
18 C244
Filter
4700P
SPAMP 17
SFOUT
C237
VREF
EXP 16 C240
BOZ
VREF
470P
15
GND1
EVOL
1 ZF
C228 6800P
R224
C229
R225
92 mV
22 mV
100
TX Signal
RX Signal
R226
10K
22 mV
R241
2.2K
C280 C281
NC NC
SQL
C259 R251
0.1 KB 33K
50 mV
SO
SI
CLOCK
R901
1K
C906
18P JC
L1_ MIC_
34 LED MUTE 22
INT'COM
35 BEEP_CNT 21
(L2)_LED C907
36 /RESET 20
TALK_LED
18P JC
37 XT1 19
BATTLOW_LED
38 VDD1 XT2 18
IC901
39 VSS1 VDD 17
40 SP_MUTE VSS 16
41 KEYPAD_LED X1 15
42 VOL1 X2 14
43 VOL2 IC 13
44 TX BEEP_CLK 12
DATA
TP_TALK
R904 680
LED902
R906 330
TALK REMOTESP
D911
LED903
SW901 SW905
R903 330
AUTO FLASH
LED901 D912
R930 NC
SW902 SW906
LED908
INTECOM
NC D913
SW903 SW907
R907 NC
LED904
NC
CH REDIAL
D914
R909 NC
LED905
NC SW904 SW908
R912 NC
LED906
NC
Q901
R917 NC
LED907
NC
235
RX ( 1kHz TONE
6kHzdivi ANT
L204
75 mV
NC
C269
18n
150 mV
GND
14 ANT
13 GND
AF
12 RSSI
11 AFOUT
R914 1K
10 CARRIERSENS
9 GND
R272 0 D212
8 TXPOW
7 PLLENA
6 PLLCLOCK
5 PLLDATA
R915 1K
4 PLLLOCK
R271 0
3 RXPOW
2 B+
MOD
1 AFIN
RFUNIT
22 mV
R919 10
(CHARGE)
C905
6.3V/220u
Vdd
LED651
R651
CN652
CN653
32kHz
3.5 V
CN654
VSS
4MHz
2.8 V
PROGRAM 1 2 3
SW909 SW917 SW921 SW925
KEY1 4 5 6
SW910 SW918 SW922 SW926
LOUD KEY2 7 8 9
SW911 SW919 SW923 SW927
PAUSE * 0 #
SW912 SW920 SW924 SW928
KX-FPC135 / KX-FPC141
CN651
7 HLED
6 5VR
L651
5 M_+
L652
4 M_C
L653
3 M_-
2 FG
1 FG