KX-T7730RU (serv.man7) — Panasonic PBX Service Manual Supplement (repair manual)

Model
KX-T7730RU (serv.man7)
Pages
28
Size
1.01 MB
Type
PDF
Document
Service Manual Supplement
Brand
Device
PBX / PROPRIETARY TELEPHONE
File
kx-t7730ru-sm7.pdf
Date

View Panasonic KX-T7730RU (serv.man7) Service Manual Supplement online

ORDER NO. KMS1809482SE
Proprietary Telephone
Model No.
KX-T7730
 Series
Main Board Unit Change
[ Ver.2.0 ]
Please use this manual with the original service manual information.
HK
B
C44
C45
C46
C47
C48
C49
C50
C51
C52
C53
C54
C55
C56
C57
C58
C59
C60
C61
C62
C63
C66
C67
Q13
E
Q14
E
C71
A8
G1
G2
JK3
1
2
3
4
5
D31
D32
D33
D34
M3
N5
N6
N7
N8
IC3
1
1 4
28
15
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R54
R55
R57
R58
R59
R67
R68
R
R71
R72
R79
R80
R206
A
C E
NE
CN
CE
NZ
PSUP1382YE-GW-A
PbF
PSUP1382YE-GW-C
PbF
CN5
REF2
50
30
20
CN2
MP
MP
MP
L3
C251
C252
C253
C254
L4
C255
M
When servicing, you must confirm which service manual should be referred by the following methods.
Refer to “PSUP1382YE”
Compatibility
Parts
Set Production
Original
New
Early (before change)
Late (after change)
Single Parts
Original parts may be used in early production sets only. New parts may 
be used in late production sets only. Stock both original and new parts.
Original
New
Early (before change)
Late (after change)
Main Board Ass'y
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
2
KX-T7730 Series 
TABLE OF CONTENTS
PAGE
1 ORIGINAL SERVICE MANUAL INFORMATION ------ ---3
2 Schematic Diagram------------------------------------------- ---4
3 Printed Circuit Board (Main Board) --------------------- ---5
3.1. Component View --------------------------------------- ---5
3.2. Bottom View --------------------------------------------- ---6
4 Exploded View and Replacement Parts List --------- ---7
4.1. Main Boards Parts ------------------------------------- ---7
4.1.1. KX-T7730CE /CE-B------------------------------- ---7
4.1.2. KX-T7730E /E-B ----------------------------------- - 10
4.1.3. KX-T7730SP---------------------------------------- - 12
4.1.4. KX-T7730AL /AL-B-------------------------------- - 15
4.1.5. KX-T7730C ----------------------------------------- - 17
4.1.6. KX-T7730CA /RU /UA---------------------------- - 20
4.1.7. KX-T7730NZ---------------------------------------- - 22
4.1.8. KX-T7730X /X-B ----------------------------------- - 25
5 History ------------------------------------------------------------ 28
3
KX-T7730 Series 
1 ORIGINAL SERVICE MANUAL INFORMATION
Model No. on S/M
Destinations
Order No. of S/M
Supplement No.
KX-T7730CE
Europe
KMS0203621C2
11
KX-T7730CE-B
Hong Kong
KMS0810590CE
7
KX-T7730E/E-B
England
KMS0203623C2
9
KX-T7730SP
Spain
KMS0201607C2
12
KX-T7730AL
Australa
KMS0201605C3
11
KX-T7730AL-B
Australa
KMS0512171CE
9
KX-T7730C
Canada
KMS0304734C1
10
KX-T7730CA
Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan, 
Turkmenistan
KMS0804481CE
8
KX-T7730NZ
New Zealand
KMS0205635C3
12
KX-T7730RU
Russia
KMS0111594C3
12
KX-T7730UA
Ukraine
KMS0605231CE
8
KX-T7730X
Asia, Middle Near East, Africa, Latin America
KMS0110592C3
14
KX-T7730X-B
Asia, Middle Near East, Africa, Latin America
KMS0508120CE
11
4
KX-T7730 Series 
2 Schematic Diagram
Changed from Original Service Manual as section 15.
On using the speakerphone
2.4V
Ringer
Signal
SP-Phone
Reception Signal
SP-Phone
T
ransmission
Signal
2.8V
1.5V
2.7V
2.0V
2.1V
2.1V
1.5V
2.2V
2.8V
2.8V
2.8V
2.7V
2.8V
2.9V
2.5V
2.7V
2.8V
0
2.8V
5.4V
2.8V
0
0
0
0
6.1V
2.9V
2.8V
4.6V
Handset   
T
ransmission 
Signal
1.6V
1.7V
Handset   
Reception Signal
1.5V
DTMF
Signal
for Dial
0
0
0
3.3V
3.3V
3.3V
3.3V
0.8V
3.3V
3.3V
3.3V
3.3V
3.3V
0
4.0MHz
0
3.3V
5.4V
6.1V
12V
5.3V
20V
1.8V
1.6V
1.8V
3.3V :
0V :
The handset is in use
The speakerphone is in use
0
0
0
0
0
0
0
0
0
3.3V
3.3V
3.3V 
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
0
0
0
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
0
Note :
  Resistors, Capacitors and other electrical components
  part numbers, please refer to the Replacement Parts List.
GR
GR
GR
GR
GR
GR
GR
GR
GR
GR
GR
GR
C
E
B
A
D
F
G
H
K0
K6 
K5 
K4 
K3 
K2 
K1
C0
C1
C2
C3
C5
C4
L7
L6
L5
L4
L3
L2
L1
L0
L0
L1
L2
L3
L4
L5
L6
L7
C3
C2
C1
C0
K0
K1
K2
K3
K4
K6
K5
C4
C5
D6
Q101
Q109
1
B1
2
E
3
B2
4
C2
5
C1
Q11
1
B1
2
E
3
B2
4
C2
5
C1
Q12
1
B1
2
E
3
B2
4
C2
5
C1
Q15
1
B1
2
E
3
B2
4
C2
5
C1
Q16
1
B1
2
E
3
B2
4
C2
5
C1
Q105
1
Tr1_B
2
E
3
Tr2_B
5
Tr1_C
4
Tr2_C
Q106
1
Tr1_B
2
E
3
Tr2_B
5
Tr1_C
4
Tr2_C
Q107
1
Tr1_B
2
E
3
Tr2_B
5
Tr1_C
4
Tr2_C
Q108
1
Tr1_B
2
E
3
Tr2_B
5
Tr1_C
4
Tr2_C
IC7
3
OUT
2
GND
1
VCC
IC5
1
I/O1
2
O/I1
12
CONT4
13
CONT1
3
O/I2
14
VDD
4
I/O2
11
I/O4
5
CONT2
10
O/I4
6
CONT3
9
O/I3
7
VSS
8
I/O3
D10
D3
D30
D31
D32
D33
D34
D4
D5
D7
C8
0.22u
C103
2.2u
C113
2.2u
C112
2.2u
C114
2.2u
C115
2.2u
C116
2.2u
C50
2.2u
C51
2.2u
C21
0.1u
C24
0.1u
C26
0.1u
C27
0.1u
C34
0.1u
C41
0.1u
C42
0.1u
C48
0.1u
C59
0.1u
C61
0.1u
C64
0.1u
C81
0.1u
16
C91
0.1u
C60
0.022u
C47
0.033u
C49
0.033u
C44
0.047u
C46
0.047u
C93
0.047u
C208
1000p
C212
1000p
C213
1000p
C6
1000p
C101
0.01u
C29
0.01u
C66
0.01u
C67
0.01u
C84
0.01u
C33
0.015u
C209
2200p
C130
330p
C30
220u
6.3
T2
1
2
4
56
7
10
9
8
X1
20M
1
2
3
CN1
1
VSS => GND
2
RS => A0
3
CSB => CS
4
SI => SI
5
SCL => SCL
6
VDD => VDD
7
VSS => NC
8
V4 => NC
9
V3 => VG
10
V2 => V0
11
V1 => XV0
12
V0 => VSS
13
ResetB => RES
14
VSS => GND
R106
1k
R108
1k
R206
1k
R240
1k
R31
1k
R129
10k
R231 10k
R91
10k
R93
10k
R97
10k
R99
10k
R1
100k
R289
100k
R30
100k
R52
100k
R58
100k
R73
100k
R96
100k
R59
12k
R68
120k
R76
120k
R140
15
R36
150
R60
1.5k
R82
1.5k
R126
15k
R156
15k
R98
15k
R55
150k
R14
18
R54
18k
R92
18k
R101 220
R102 220
R131
220
R133
220
R135
220
R12
2.2k
R123
2.2k
R201
2.2k
R2
22k
R208
22k
R67
220k
R86
220k
R48
2.2M
R10
2.7k
R103
2.7k
R128
2.7k
R70
27k
R238
270k
R24
270k
R51
2.7M
R234
30k
R49
30k
R45
3.3k
R127
33k
R230
33k
R80
33k
R84
330k
R233
39k
R79
39k
R5
47
R237
470
R107
4.7k
R26
4.7k
R44
4.7k
R78
47k
R125
470k
R13
470k
R25
470k
R29
470k
R43
470k
R95
470k
R236
5.1k
R132
56
R134
56
R16
56
R27
5.6k
R46
5.6k
R47
5.6k
R74
5.6k
R69
56k
R105
68
R15
6.8k
R50
68k
R75
68k
R77
8.2k
R56
3.3
D18
3
4
1
2
D19
3
4
1
2
D20
3
4
1
2
D21
3
4
1
2
D22
3
4
1
2
D23
3
4
1
2
D24
3
4
1
2
D25
3
4
1
2
D26
3
4
1
2
D27
3
4
1
2
D28
3
4
1
2
D29
3
4
1
2
D17
D16
D15
D14
D13
D11
R136
56
IC1
17
P3_5
18
P3_4
19
P3_3/*INT3
20
P2_7
21
P2_6
22
P2_5
23
P2_4
24
P2_3
25
P2_2
26
P2_1
27
P2_0
28
P3_6
29
P3_1
30
P8_6
31
P8_5
32
P8_4
33
P8_3
34
P8_2
35
P8_1
36
P8_0
37
P6_7
38
P6_6/TXD2
39
P6_5/CLK2
40
P4_5
41
P1_7
42
P1_6
43
P1_5
44
P1_4
45
P1_3
46
P1_2
47
P1_1
48
P1_0
49
P0_7/DA1
50
P0_6/DA0
51
P0_5
52
T_CONT1
53
P0_3
54
P0_2
55
P0_1
56
P0_0
57
P6_4
58
P6_3
59
P6_2
60
P6_1
61
P6_0
62
P5_7
63
P5_6
64
P3_2
1
P3_0
2
P4_2/VREF
3
MODE
4
HS_MUTE
5
P4_4/XCOUT
6
*RESET
7
P4_7/XOUT
8
VSS/AVSS
9
P4_6/XIN
10
VCC/AVCC
11
P5_4
12
P5_3
13
P5_2
14
P5_1
15
P5_0
16
P3_7
AG
AG
AG
AG
AG
R104
NC
DG
D3.3V
D3.3V
D3.3V
A5V
DG
D3.3V
DG
DG
D3.3V
+6V
D5V
D3.3V
DG
DG
D3.3V
DG
D5V
DG
DG
A5V
C5
NC
C13
0.1u
AG
AG
AG
C10
NC
AG
+6V
C43
NC
AG
AG
AG
AG
AG
AG
R235
NC
C133
NC
AG
AG
AG
AG
AG
AG
C207
NC
AG
R19
NC
AG
AG1
AG
AG
C214
NC
D3.3V
AG
G
A
G
A
AG
C68
NC
AG
AG
AG
+6V
AG
AG
AG
+6V
AG
C82
NC
AG
D3.3V
DG
D3.3V
D3.3V
DG
D3.3V
DG
R121
NC
DG
DG
D3.3V
R154
NC
R155
NC
DG
DG
AG
AG
D3.3V
AG
R89
68k
R124
0
D3.3V
AG
R85
NC
AG
AG
A5V
D3.3V
DG
R153
NC
AG
DG
R8
33
AG
D3.3V
AG
D3.3V
AG
R296
NC
R144
470
R90
470
AG
AG1
JK2
1
2
3
4
5
JK3
1
2
5
3
4
C211
0.01u
DG
AG
AG
DG
DG2
D3.3V
DG
+6V
D5V
V1
H
T
R
L
B8
B1
B2
B3
B4
B5
B6
B7
A1
A3
A5
A7
A8
A9
A2
A4
A6
E4
E3
E1
E2
E5
E6
M3
AG2
SP+
SPN
K1
N5
N6
N7
N8
SP1
SP2
M2
M1
AG1
K2
N1
N2
N3
N4
AG
CN9
NC
1
2
3
4
CN2-1
MICP
CN2-2
MICN
CN3-1
SPP
CN3-2
SPN
CN4-2
CN4-1
CN5-1
CN5-2
C57
1000u
10
AG
SW42
HOLD
SW52
HOOK
SW16
1
SW22
2
SW28
3
SW34
4
SW40
5
SW46
6
SW15
7
SW21
8
SW27
9
SW33
*
SW39
0
SW45
#
SW41
REDIAL
SW47
<
SW43
SP-PHONE
SW48
>
SW49
V
SW50
SW11
CO12
SW12
CO11
SW13
CO10
SW14
CO9
SW17
CO8
SW18
CO7
SW19
CO6
SW20
CO5
SW23
CO4
SW24
CO3
SW25
CO2
SW26
CO1
SW29
CONF
SW30
FWD/DND
SW31
MUTE
SW32
STORE
SW35
M.W
SW36
PAUSE
SW37
FLASH
SW38
TRANSFER
SW44
ICM
SW51
PROGRAM
J4
J1
R34
3.3k
AG
AG
G1
G2
JK1
1
2
3
4
5
CN7-6
CN8-1
CN8-5
CN7-7
CN7-3
CN8-2
CN8-3
CN8-6
CN8-4
CN8-7
CN7-5
CN7-4
CN7-1
CN7-2
T1
16
3
4
2
R66
NC
C71
NC
R62
NC
C73
NC
C72
NC
R64
NC
R65
NC
C74
NC
R63
NC
C75
NC
R207
NC
C76
NC
AG
AG
AG
AG
AG
Q6
Q10
Q13
Q14
Q21
Q22
AG
A5V
IC10
1
AOUT
2
A-IN
3
A+IN
4
GND
5
B+IN
6
B-IN
7
BOUT
8
V+
IC6
1
AOUT
2
A-IN
3
A+IN
4
GND
5
B+IN
6
B-IN
7
BOUT
8
V+
IC9
1
NC
2
A
4
Y
5
VCC
3
GND
R300
NC
D3.3V
R301
NC
R302
NC
R303
NC
IC11
1
CE
2
GND
3
VOUT
4
VDD
C205
220u
10
Q111
Q112
Q113
Q114
DG
DG
DG
IC2
4
VSS
1
OUT
2
VDD
3
NC
IC4
NC
1
CD
2
+VREF
6
V+
7
GND
3
+VIN
8
VOUT2
4
-VIN
5
VOUT1
J2
NC
J3
NC
R61
0
C102
NC
Q5
Q3
Q4
Q8
Q9
Q102
Q18
Q20
DG
Q110
(   )
NC
C94
1000p
R94
4.7k
R100
68k
C104
0.01u
C106 0.01u
C107
0.1u
C108
0.1u
C110
0.1u
C117
0.01u
C132
1u
C204
0.1u
C210
0.01u
C3
22u
16
C35
1u
C36
0.1u
C53
47u
6.3
C54
100u
6.3
C63
100u
6.3
C85
0.01u
C86
0.01u
C92
1u
C95
0.1u
C96
0.01u
D1
4
1
3
2
D2
4
1
3
2
PC1
1
2
3
4
Q1
Q2
R3
2.2k
C203
47u
25
RA2
1.2k
1
2
3
45
6
7
8
D12
D40
R232
15k
R71
10k
R72
3.9k
R39
8.2k
R40
6.8k
R139
33
R137
100
R138
56
IC3
1
RR
2
RTX
3
TXI
4
TXO
5
TLI
23
XDC
24
VLC
25
ACF
26
RXO
27
RXI
6
TLO
7
RLI
8
RLO
9
MCI
10
MCO
12
CP2
13
XDI
14
SKG
18
*CS
19
SKI
20
VCC
21
VB
22
GND
15
SKO
16
V+
17
AGC
11
CP1
28
RRX
R157
0
SW1
4
C
1
2
3
5
6
IC8
1
IN/OUT
2
OUT/IN
3
GND
5
VCC
4
CONT
R158
0
R159
NC
C118
NC
C250
100p
L1
L2
L3
C251
220p
AG
C252
220p
C253
220p
AG
C254
220p
AG
C255
220p
C65
220p
L4
L7
NC
L6
NC
C25
10u
C52
10u
C55
10u
C58
4.7u
C215
100u
6.3
C9
100u
10
C206
100u
10
L5
D41
NC
C56
220u
10
C12
2200p
C131 1u
C14
0
C2
0.33u
C22
0.022u
C23
0.022u
C28
1000p
C31
22u
C32
1u
C4
10u
C45
0.033u
C62
0.022u
C7
1200p
R17
470
R20
0.015u
R21
6.8k
R22
3.9k
R23
47
R28
3.9k
R32
33k
R37
12k
R38
4.7k
R4
27k
R41
8.2k
R42
15k
R57
1k
R6
0
R7
82k
R81
18k
R87
33k
R88
5.6k
R9
18k
Split PCB 1
Split PCB 2
CN8
CN7
Split PCB 1
CN2
CN3
CN4
CN5
CN8
CN7
R157  0 => NC
R158  0 => NC
R159  NC => 0
C112  2.2uF => NC
C113  2.2uF => 1uF
C114  2.2uF => NC
C115  2.2uF => NC
C118  NC => 1uF
LCD Driver  Old => New
D9
3
6
4
2
5
8
7
11
10
9
12
1
KX-T7730 Series MAIN BOARD
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Download Panasonic KX-T7730RU (serv.man7) Service Manual Supplement

Here you can view online or download Panasonic KX-T7730RU (serv.man7) Service Manual Supplement in pdf. This Service Manual Supplement can help you recover, restore, fix, disassemble and repair Panasonic KX-T7730RU (serv.man7) PBX. Information contained in Panasonic KX-T7730RU (serv.man7) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).