Panasonic KX-FC971CX-S Service Manual page 218

KX-FC971CX-S / KX-FGA521CX-S
17.5. CORDLESS HANDSET BOARD
VDD2
GND2
DG
RECEIVER
IC907
8
VOUT 2
VBAT 7
GND +VREF
DG
6
DG V+ +VIN
5
VOUT 1
C972 K0.01u
DG
R908
DG
5.6K
HSMIC(-) 2
HSMIC(+) 1
MIC
D906
Vz3.3V
MAZ80330HL
DG DG
SPKR L901
J0JGC0000020
VBAT
TP902
C946
TP903
K0.1u
DG
L902
J0JGC0000020
RFGND
RFGND VREF - DG
DG
2SD1819ARL
Q912
R923
1K
DG
DG
R902 0.51
ERJ6RQFR51V
DG
1
CD
C914
K0.1u
2
C915 Z0.33u
3
DG
VREF -
4
-VIN
R911 C927 K0.068u
C993 K1u R967
10K
1
1
1
VREF -
C933
4.7K
K0.01u
R941
R940
1K 100
C934
C904 ECST0JY226R
6.3V22u
K0.01u 4.7K
R942 R943
1K 100
IC903
8 1
VOUT2 CD
7 2 C940 K0.1u
R946
GN D VREF
100K
6 3 C941 K0.047u
DG
V+ +VIN
C994
5 4
D10p
VOUT -VIN
VREF-
C945
K3900p
C949
R944 R945
12K 10K K0.068u
R973
GND
0
DG
RFGND
DG
DG
CN901
VBAT
(-) (+)
2SB1219ARL
Q911
D903
TP909
MA2J72900L
TP910
DG
Q901
UNR521F00L
DG
5.6K
R936
R937
DG
3
切
1 4
2 3
SW909
SW933
SW925
F2 ↑
6
SW931 SW926 SW912
1 4
←
9
2 3
SW927 SW900 SW915
→
TP919
＃
1 4
SW928 2 3
SW918
SW924
ＳＰホン
外線
↓
SW922- 2
SW925- 2
SW929
SW925- 1 SW922- 1
218
VBATS
VBAT
2SB1219ARL
Q904
R910
22K
R909
22K
Q907
UNR521300L
DG
C929
C928
K0.068u
K0.068u
VREF-
2 1 保留
SW910 SW911 SW930
R950
KEY2
1K
内線
5 4
SW913 SW914 SW907- 1
KEY0
R951
F1
1K
8 7
SW916 SW917 SW932 R952
KEY4
1K
0 ＊
SW919 SW920
R953
KEY1
1K
キャッチ
ワンタッチ
SW923
SW921
R954
KEY3
1K
C917
K0.1u
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)