Panasonic KX-T7636RU Service Manual ▷ View online
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KX-T7636RU-B MAIN
AND SUB BOARDS (4/4)
Q3
3
5
1
2
4
Q4
3
5
1
2
4
Q5
3
5
1
2
4
Q6
3
5
1
2
4
Q7
3
5
1
2
4
D3.3V
D1
17
CO17
D1
15
CO15
D121
CO21
D1
19
CO19
D108
CO8
D107
CO7
D1
13
CO13
D1
10
CO10
D1
16
CO16
D
111
CO1
1
D120
CO20
D122
CO22
D123
CO23
D1
14
CO14
D109
CO9
D1
12
CO12
D124
CO24
D1
18
CO18
120
R78
18
R79
18
R77
120
R76
120
R72
18
R73
120
R74
18
R75
120
R71
C78
12P
DG
X1 16.384M
R59
330
C77
12P
R58 1M
DG
4
3
5
Q1
1
1
6
2
D3.3V
D127
CONF
D129
INTERCOM
D126
FWD/DND
D125
AUT
O
/ANSWER
D128
AUT
O/ST
ORE
D103
CO3
D105
CO5
D101
CO1
D102
CO2
D104
CO4
D106
CO6
D130
R
MW
-R
D131
G
MW
-G1
D132
G
MW
-G2
R104
27
R105
27
RA1
1.2K
4
3
2
18
7
6
5
R56
1.2K
R57
1.2K
R94
18
DG
C69
Z0.1
R106
27
DG
A2
A3
A4
A5
A8
A7
A9
A6
A10
A1
B1
B2
B3
B4
B5
B6
DG
R52
470
R53
470
R54
470
R55
0
NC
C55
NC
C57
NC
C65
DG
DG
C67 Z0.01
NC
C70
NC
C82
CN1
1
1
2
3
4
CN12
1
2
3
4
Q12
1
6
2
4
3
5
Q13
1
6
2
4
3
5
CN10
18
VDD
1
GND
11
GND
13
GND
8
OSX
9
OSR
10
OSYNC
12
OCK2M
4
SCLK
6
TxD
5
RxD
7
TxEN
14
RESET
OUT2
2
RxRDY
3
BUSY
15
OPDET
16
VDD
17
VDD
G8
H6
AG
OCK4MN
35
REN
2
WEN
1
OPO/EYECLK
36
OP1/EYESYNC
37
OP2/EYED
38
OP3
39
INTN
4
OSR
32
OSX
31
OSYNC
33
OCK2M
34
11
CLM5
12
CLM4
13
CLM3
14
CLM2
15
CLM1
16
CLM0
19
NROW9
20
NROW8
21
NROW7
22
NROW6
23
NROW5
24
NROW4
25
NROW3
26
NROW2
27
NROW1
28
NROW0
OSI
79
OSO
80
DB0
98
DB1
97
DB2
96
DB3
95
DB4
94
DB5
93
DB6
92
DB7
91
OP4
55
PCK4MN
49
CSN
3
SCANE
72
SCAN
73
TEST0
74
TEST1
75
GND
99
OP5/DR
56
R37 220
R103 680
R109
47K
R1
10
47K
D3.3V
C109
Z0.01 C1
15
Z0.01 C1
16
Z0.01
R122
NC
R129
47K
C1
19
Z0.01
B8
B9
B10
B1
1
B12
B13
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
WEN
REN
INTN
OSX
OSYNC
OCK2M
SCLK
TxD
RxD
TxEN
RxRDY
BUSY
D
ATA
CLK
RESET
OUT1
RESET
OUT2
OSR
OPDET
RESET
OUT2
OSYNC
OCK2M
OSR
OSX
G
R
R
R
G
G
R
G
RR
G
R
G
G
G
R
R
G
R
G
G
G
R
R
G
R
R
G
G
R
R
G
R
G
R
G
G
GG
RR
G
G
R
G
RR
R
T
O
USB OPTION
(2)
37
KX-T7636RU-B
18 WAVEFORM
D3.3V
Pin8 of IC3 and Pin100 of IC5
(2)
(3)
(1)
Pin80 of IC5 16.384MHz
Pin5 of IC3 8.196MHz
Pin8 of IC3 and Pin100 of IC5
Reset signal
38
KX-T7636RU-B
Pin1 of CN1
Pin3 of CN1
Pin4 of CN1
Pin5 of CN1
send data to PBX
receive data from PBX
send data to PBX
receive data from PBX
(5)
(6)
(4)
Between H and L
Communication waveform 2
Pin4 of T1
Communication waveform 1
Pin1 to 5 of CN1
Communication waveform
39
KX-T7636RU-B
send data to DPT of DXDP
receive data from DPT of DXDP
Pin8 of IC4
Pin9 of IC4
Pin11 of IC4
Pin9 of IC4
Pin8 of IC4
Pin52 of IC5
(8)
(9)
(7)
Pin52 of IC5
Communication waveform about "send"
Pin11 of IC4
Communication waveform about "receive"
Pin61 of IC5
Communication waveform
40
KX-T7636RU-B
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