Panasonic KX-T7565RU Service Manual ▷ View online
Ref.
No.
Part No.
Part Name & Description
Remarks
R900
ERJ3GEYJ104
100k
R996
ERJ3GEYJ330
33
R997
ERJ3GEYJ473
47k
R998
ERJ3GEY0R00
0
(CAPACITORS)
C1
ECEV1HA2R2N
2.2
C2
PQCUV1H105JC
1
S
C5
PQCUV1H105JC
1
S
C6
ECUV1H680JCV
68P
C8
ECUV1C104ZFV
0.1
S
C9
ECUV1C104ZFV
0.1
S
C10
ECUV1C104ZFV
0.1
S
C11
ECUV1C104ZFV
0.1
S
C12
ECEA1HU101
100
C13
PQCUV1H224ZF
0.22
C14
ECUV1H181JCV
180P
C15
ECEV0JA221WP
220
C17
ECUV1C104ZFV
0.1
S
C19
ECUV1C104ZFV
0.1
S
C21
ECUV1C104ZFV
0.1
S
C22
ECUV1H150JCV
15P
C23
ECUV1H390JCV
39P
C25
ECUV1H103KFV
0.01
S
C27
ECUV1H101JCV
100P
C30
ECUV1C104ZFV
0.1
S
C31
ECUV1C104ZFV
0.1
S
C32
ECUV1C104ZFV
0.1
S
C33
ECUV1H103KFV
0.01
S
C34
ECUV1H103KFV
0.01
S
C37
ECUV1C104ZFV
0.1
S
C38
ECUV1H103KFV
0.01
S
C100
ECUV1H223KBV
0.022
S
C101
ECUV1C104KBV
0.1
C102
ECUV1C333KDV
0.033
S
C103
ECUV1H151JCV
150p
C105
ECST0JY106
10
C106
ECST0JY106
10
C107
PSCEV0JA101
100p
C108
ECUV1H103KBV
0.01
C109
ECUV1C104KBV
0.1
C110
ECST0JY106
10
C111
ECUV1C104KBV
0.1
C112
ECUV1C333KBV
0.033
S
C113
ECUV1H222KBV
0.0022
C114
ECUV1C473KBV
0.047
C115
ECUV1C473KBV
0.047
C116
ECUV1C104KBV
0.1
C118
ECUV1C683KBV
0.068
C119
ECUV1H223KBV
0.022
S
C120
ECUV1E223KBV
0.022
C121
ECUV1C104KBV
0.1
C122
ECUV1C683KBV
0.068
C123
PQCUV1A475ZF
4.7
C124
PSCEV0JA101
100
C125
ECEV0JA101
100
C126
PSCEV0JA102
1000
C127
PQCUV1A475ZF
4.7
C128
ECEV0JA101
100
C129
PSCEV0JA470
47p
C130
PQCUV1A475ZF
4.7
C131
PQCUV1H105JC
1
S
C132
PQCUV1H105JC
1
S
C133
ECUV1C683KBV
0.068
C134
ECUV1C104KBV
0.1
C135
ECUV1C104KBV
0.1
C136
ECUV1C104KBV
0.1
C137
ECUV1C333KBV
0.033
S
C138
ECUV1C473KBV
0.047
C139
ECUV1H102KBV
0.001
C140
ECUV1C104KBV
0.1
C147
ECUV1H102KBV
0.001
C148
ECUV1C104ZFV
0.1
C149
ECUV1H332KBV
0.0033
Ref.
No.
Part No.
Part Name & Description
Remarks
C301
PQCUV1H224ZF
0.22
C302
ECUV1H104ZFV
0.1
C986
ECUV1H103KFV
0.01
S
C987
ECEV0JA221WP
220
C993
ECUV1H103KFV
0.01
S
C995
ECUV1H470JCV
47p
C997
ECUV1H102KBV
0.001
C999
ECUV1H103KFV
0.01
S
(OTHERS)
E1
PSADLMG161S4
LIQUID CRYSTAL DISPLAY
E2
PSHR1222Z
LCD HOLDER
33
KX-T7565RU
15 FOR THE SCHEMATIC DIAGRAM
Note:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
34
KX-T7565RU
16 SCHMATIC DIAGRAM
HANDSET RECEPTION
HANDSET TRANSMISSION
HANDSET SIDETONE
HANDSET TRANSMISSION
HANDSET SIDETONE
SP-PHONE RECEPTION
SP-PHONE TRANSMISSION
OFF-HOOK MONITOR TRANSMISSION
SP-PHONE TRANSMISSION
OFF-HOOK MONITOR TRANSMISSION
R137 100K
C106
6.3V10
SP
2
R106
1K
6
Vss
R135
220K
C113 2200P
IC9
7
14
C108
0.01
R110
8.2K
R112
2.2K
C137 0.033
R109
470K
R134
18K
R133
100
R107
100K
R139
30K
C129 6.3V47
R130
12K
L13
MIC
1
C135
0.1
R119
270K
R143 2.7M
C111
0.1
C115
0.047
R136
3.3
R116 3.9K
IC8
7
14
C148
0.1
IC7
1
RR
2
RTX
3
TXI
4
TXD
5
TLI
6
TLO
7
TRL
8
RLD
9
MCI
10
MCO
11
CP1
12
N.C
13
CP2
14
XDI
15
SKG
16
SKO
17
V+
18
AGC
19
CS
20
SKI
21
VCC
22
VB
23
V-
24
XDC
25
VLC
26
ACF
27
N.C
28
RXO
29
RXI
30
PRX
R160
270K
R155
3.3M
3
STB
R120
220
R118
3.3K
R138
2.2M
CN1
1
DATA
R142 6.8K
C109 0.1
R113
3.9K
C136
0.1
R140
75K
2
SCK
R141 1.5K
C110
6.3V10
R129
1.8K
2
1
R145
5.6K
C32
0.1
C31
0.1
C131
1
C132
1
R124
0
R147
12K
C140
0.1
R115 12K
C114 0.047
C133
0.068
R144 4.7K
R114 330K
C149
3300P
IC8
10
11
12
IC6
NC
1
CD
2
FC2
3
FC1
4
Vin
5
VO1
6
VCC
7
GND
8
VO2
C126
6.3V1000
R41
47K
R40
27K
SW2
1
2
3
4
3
4
IC8
8
9
6
IC8
3
4
5
R153
2.7K
IC8
2
1
13
R42
10K
C34
0.01
IC2
64
CVcc
63
PB6
62
PB7
61
VT
ref
60
T
ONED
59
P87
58
P86
57
P85
56
P84
55
P83
54
P82
53
P81
52
P80
51
P77
50
P76
49
P75
48
P74
47
P73
46
P72
45
P71
44
P70
43
P67
42
P66
41
P65
40
P64
39
P63
38
P62
37
P61
36
P60
35
P57
34
P56
33
P55
17
P17
18
P16
19
P15
20
P14
21
P13
22
P12
23
P11
24
P10
25
PA
3
26
PA
2
27
PA
1
28
P50
29
P51
30
P52
31
P53
32
P54
1
X1
2
X2
3
Vss
4
OSC2
5
OSC1
6
TEST
7
Vcc
8
RES
9
P20
10
SCK
11
SI1
12
SO1
13
P24
14
P25
15
P26
16
P27
R149
1.5K
R161
39K
4
HS
3
2
1
M2
AG2
SP2- SP2+
SP1
M1
AG1
C33
0.01
NC
C150
C116
0.1
R121
22K
IC9
1
2
13
IC9
3
4
5
R43
100K
SW1
IC10
Vout
1
Vin 2
Vss
4
NC
3
Q21
1
4
3
2
5
Q20
1
4
3
2
5
R126
120K
R125
220K
R128
27K
R127
56K
Q14
1
4
3
2
5
Q18
1
4
3
2
5
R123
2.2K
R132
100K
C37
0.1
RA1
47K
5
6
7
8
4
Vo
5
Vdd
NC
C35
DG
DG
DG
DG
DG
DG
DG
DG
DG
R108
100
+5VD
+5VA
+5VD
+5VD
+5VD
+5VD
+5VD
+5VA
+5VA
+5VA
+5VA
G1
G2
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
NC
C145
NC
C146
AG
AG
C127
4.7
C123
4.7
C130
4.7
AG
IC9
8
9
6
IC9
10
11
12
R131
100K
AG
R162
220K
C147
1000p
C139
1000P
R60 1M
NC
C117
R44
2.2K
R47
10K
R39
10K
NC
R38
DG
Q13
Q15
Q19
Q16
Q12
Q11
AG
Q999
AG
C134
0.1
C121
0.1
C118
0.068
C120
0.022
C138 0.047
C119
0.022
C122
0.068
C112
0.033
R111
2.2K
R157
1M
R117
2.2K
R45
560
R46
2.2K
C995
47P
C997
1000P
NC
R152
Q998
NC
C300
NC
R300
NC
R156
NC
R151
NC
R150
NC
C151
NC
C144
NC
C141
NC
C996
NC
C143
NC
C142
R997
47K
R154
330K
R900
100K
AG
C107
6.3V100
C125
6.3V100
C124
6.3V100
C128
6.3V100
X1
8MHz
R122
22K
R148
27k
L11
L12
P[64]
P[20]
P[17]
P[16]
P[73]
P[72]
P[71]
P[70]
P[65]
P[64]
P[63]
P[62]
P[61]
P[73]
P[60]
P
A[1]
P
A[2]
P[24]
P[50]
P[51]
P[52]
P[53]
P[54]
P[55]
P[56]
P[15]
P[20]
P[24]
P[25]
P[26]
P[26]
P[25]
P[10]
P[11]
P[12]
P[61]
P[63]
P[70]
P[87]
P[86]
P[84]
P[85]
P[83]
P[82]
P[81]
P[80]
P[77]
P[76]
P[75]
P[74]
P[87]
P[86]
P[85]
P[84]
P[71]
P[72]
P[60]
P[13]
P[14]
P[66]
P[66]
P[62]
P
A[1]
P
A[2]
P[65]
RINGER VOLUME
MUTE
RESET
4 BIT MICROCOMPUTER
HOOK SW
RECEPTION
VOLUME
CONTROL
VOLUME
CONTROL
DTMF
(FOR DIAL)
(FOR DIAL)
MUTE
TRANSMISSION
LEVEL
ADJUSTMENT
LEVEL
ADJUSTMENT
SP VOLUME
OPERATION
CONTROL
OPERATION
CONTROL
16
14
13
LCD MODULE
(1)
(2)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(15)
(16)
(17)
(18)
KX-T7565RU MAIN
35
KX-T7565RU
D104
D101
D105
D103
D102
D106
D107
D100
R2
33
R28 33
C24
R100
0
R12
4.7K
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
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
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
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
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)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(15)
(16)
(17)
(18)
KX-T7565RU MAIN
36
KX-T7565RU
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