Analog Board - Panasonic KX-FT937LA-B Service Manual

17.2. Analog Board

+2.0V
R5
0
+24V
CN1
1
+24V
2
AG
3
+5V
AG
4
PAPER
5
LINETX
6
TONE1
7
RLY
8
CPC
9
JAM
10
P_SHORT
11
BELL/DCN
12
HOOK
L1
13
LINERX
0
14
MONRX
15
H/STX_MUTE
16
H/SRX
PAPER SENSOR SW
C72 Z0.1u
2
L34 1 4
JJ5 NC
( )
K0.01u
(PU AT DIGITAL BOARD)
FG2
AG
HOOK SENSOR SW
1
R1
4
100
(PU AT DIGITAL BOARD)
AG
R10
110K
C8
J220p
IC2
-1
C13
8
2
C4
1
3
50V4.7u
4
+12V
AG
AG
R11
110K
C9
J220p
+5V
C11
K0.033u
JAM SENSOR SW
SW1 SW3
1 2 1
3 4 3
C2
C5
K0.01u
(PU AT DIGITAL BOARD)
AG
+5V +24VA
SW2
2 3
+2.0V
+12V
5 6
AG
AG AG
+5V
R71
( )
NC
C A
+24VA PC4
NC
E K
C56
( )
NC
AG
62K C17 R81
R13
NC K0.047u 0
C21
R18
62K
K0.047u
AG
NC
C64
( )
R24 510K R91
0
C23 J27p
R16
51K
6
7
5
IC2
-2
C12 R17 R21 C25
K0.1u 91K 39K K0.022u
6.8K
Q2
AG
AG
Q1
L6 0
AG
L5
0
AG
151
R70
( )
NC
R68
( )
NC
Q11
Q10
NC
NC
T1
300:600
4
6
NC
AG
Q13
( )
(
AG AG
AG
1A2K
R29
Q3
AG
R34
+24V
0
AG
KX-FT937LA-B
(1)
C60
( )
NC
R66
D12
(2)
( )
NC NC
(3)
(4)
3
2
1
(5)
R87
(6)
)
NC
(7)
(8)
(9)
C32 J82p
R39 560K
+2.0V
+5V
(10)
IC1
-1
8 2
1
3
4
C31
Z0.1u
NC
AG
1K
( )
2A
DA2
(11)
(12)
L10 R32 C30
(13)
0 39K K0.1u
NC
Q4
(14)
Q5
NC
AG