KX-T7565RU - Panasonic PBX Service Manual (repair manual). Page 36

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D104
D101
D105
D103
D102
D106
D107
D100
R2
33
R28 33
C24
R100
0
R12
4.7K
C22
15P
C30
0.1
C103
150P
C9
0.022
R1
560
C26
T1
4
5
9
10
1
2
6
7
C17
0.1
IC4
12
5
4
3
R16
1M
R5
33
R105
100K
R15
4.7K
R103
4.7K
L1
D1
R17
1.8K
R104
10K
X2
16.384M
C1
50V2.2
L3
3
4
1
2
R10
12K
R11
20K
L6 33
R6 4.7K
IC4
7
10
9
8
C29
C104
SW11
*
SW10
0
SW13
9
SW12
#
SW15
8
SW14
7
SW17
5
SW16
6
SW18
3
SW20
2
SW19
4
SW21
1
C25
0.01
JK1
4
H
1
L
3
T
2
R
C5
1
C2
1
C3
R7
4.7K
C6
R4 4.7K
R3
4.7K
C19
0.1
C21
0.1
C10
0.022
C105
6.3V10
R18 270
R19 56
R9
4.7K
H
L
A1
A2
A3
A4
B1
B2
B3
B4
F1
F2
F3
F4
F5
F6
F7
E2
E4
E3
E1
NC
C16
NC
C20
IC3
PO+
5
PDI
10
DT
13
DR
8
PO-
4
PI
3
RO-
2
VAG
20
BCLKR
9
BCLKT
12
MCLK
11
TG
17
VSS
15
TI+
19
TI
18
VDD
6
FST
14
FSR
7
MU/A
16
RO+
1
C101
0.1
R102
4.7K
Q7
1
4
3
2
5
Q8
1
4
3
2
5
Q5
1
4
3
2
5
Q6
1
4
3
2
5
SW22
REDIAL
SW34
STORE
SW23
SP/MONITOR
SW24
MUTE
SW27
CO1
SW26
CO2
SW25
CO3
SW30
CO4
SW29
CO5
SW28
CO6
SW33
CO7
SW32
CO8
SW31
FLASH
SW35
TRANSFER
SW36
PROGRAM
SW39
SW38
SW37
INTERCOM
E5
D108
D109
D110
B5
Q10
1
4
3
2
5
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
R23
0
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
AG
SW40
HOLD
NC
C4
NC
C7
Q1
1
4
3
2
5
+5VD
T
R
IC1
45
C2
44
C1
43
C0
59
R9
D3
2
D2
3
D1
4
IOR
10
INTRX
11
48
C5
47
C4
PI
61
EP2
15
RESET
63
A0
7
IOW
9
D0
5
A1
6
55
R5
56
R6
57
R7
58
R8
46
C3
54
R4
50
R0
51
R1
52
R2
53
R3
RXB
39
RXA
38
TXB
41
TXA
40
OSO
34
OSI
33
21
SXO
SR1
20
CK2M
18
NI
62
SR0
19
VDD
1
VDD
31
VDD
49
GND
17
GND
35
GND
64
CSN
8
N.C
32
N.C
42
N.C
60
EP0
13
EP1
14
IP0
27
IP1
28
IP2
29
IP3
30
OP0
23
OP1
24
OP2
25
OP3
26
CK16M
36
CK512K
37
CK2K
22
INTTX
12
EP3
16
R56
220K
C14
180P
C8
0.1
R51
1.2K
J1
R58
1.2
+5VA
R53 4.7K
+5V
8
50VZ0.01
R52 220
C15
6.3V220
R50
3.3K
DG
R54
100K
J2
IC5
1
OUT
2
E
3
Ct
4
GND
5
IN-
6
Vcc
7
Ipk
8
DrvC
+5VD
L4
330
µ
AG
C12
50V100
C13
50VZ0.22
+5VA
Q4
1
4
3
2
5
6
R55
5.6K
R57
1.1K
C23
39P
D2
+5VD
Q200
R302
1M
R301
15K
R303
220K
C302
50VZ0.1
R307
100K
R305
6.8K
Q3
Q9
AG
+5VD
+5VA
AG
C28
DG
DG
R998
0
L5
AG
NC
L999
NC
C994
+5VA
AG
+5VD
+5VD
+5VD
+5VD
DG
DG
DG
AG
C987
6.3V220
DG
Q201
Q202
R304
470K
R306
220K
C301
50VZ0.22
R29 33
R30 33
R31 33
R32 33
R33 33
L7 33
L8 33
L9 33
L10 33
C100
0.022
R101
10K
RA2
47K
5
6
7
8
R25
270
R27
33
R26
68
IC4
11
6
1
2
13
14
C11
0.1
DG
+5VD
L2
C993
50V0.01
R24
33
NC
C900
1
AG
NC
C998
NC
C988
NC
C989
NC
C990
NC
C991
NC
C992
R996
33
R22
220
C102
0.033
C986
0.01
C999
0.01
C27
100P
R20 270
R21 56
R999
R8
4.7K
R14
12K
R13
20K
P[10]
P[11]
P[50]
P[51]
P[52]
P[53]
P[54]
P[55]
P[12]
P[13]
P[15]
P[16]
P[17]
P[14]
P[76]
P[77]
P[74]
P[75]
P[56]
P[80]
P[81]
P[82]
P[83]
R
R
G
G
CO8
G
R
G
CO4
R
CO3
R
G
CO7
CO6
G
R
G
R
CO2
CO5
R
G
ICM
SP
MUTE
CO1
NC
NC
POWER CIRCUIT
LED
LCD CONTRAST CONTROL
KEY SWITCH
12
5
4
11
10
15
7
6
8
9
2
1
3
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
KX-T7565RU MAIN
36
KX-T7565RU
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