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Model
KX-T7730RU
Pages
10
Size
1.76 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / PROPRIETARY TELEPHONE
File
kx-t7730ru.pdf
Date
PREV: Panasonic KX-T7730E / KX-T7730E-B Service Manual

Panasonic KX-T7730RU Service Manual / Supplement ▷ View online

3
KX-T7730RU
1.2.1.
MAIN BOARD
SInce the main board was changed, the display on the board; PSUP1382ZC was also changed to PSUP1382ZD.
Distinguish a change by this indication.
When replacing MAIN BOARD PSUP1382ZC with PSUP1382ZD for Suffix H. 
1.2.1.1.
MAIN BOARD PARTS
Change from  the Original Service Manual Section 13.3.
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
PCB1
PSWPT7730RU
MAIN BOARD ASS'Y (RTL)
(ICS)
IC1      PNWIT7730X 
IC                                
IC2    C0EBF0000123      IC                               
IC3    C1CB00001673      IC                               
IC5    C0JBAS000185      IC                               
IC6    C0ABBA000025      IC                               
IC7    PQVIBA06FPE2      IC                              S
IC8    C0JBAS000249      IC                               
IC9    C0JBAB000551      IC                               
IC10   C0ABBA000025      IC                               
IC11   C0DBGYY00887      IC                               
(TRANSISTORS)
Q1     B1ADGP000008      TRANSISTOR(SI)                   S
Q2     B1ADGP000008      TRANSISTOR(SI)                   S
Q3     B1ABCF000020      TRANSISTOR(SI)                    
Q4     B1ABCF000020      TRANSISTOR(SI)                    
Q5     B1ABCF000020      TRANSISTOR(SI)                    
Q6     B1ABDF000026      TRANSISTOR(SI)                    
Q8     B1ABCF000020      TRANSISTOR(SI)                    
Q9     B1ABCF000020      TRANSISTOR(SI)                    
Q10    B1ABDF000026      TRANSISTOR(SI)                    
Q11    PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q12    PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q13    B1ABDF000026      TRANSISTOR(SI)                    
Q14    B1ABDF000026      TRANSISTOR(SI)                    
Q15    PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q16    PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q18    UN5213             TRANSISTOR(SI)                   S
Q20    UN5213             TRANSISTOR(SI)                   S
Q21    B1GBCFNN0035      TRANSISTOR(SI)                    
Q22    UN5113             TRANSISTOR(SI)                    
Q101   2SA1576R           TRANSISTOR(SI)                   S
Q102   B1ABCF000020      TRANSISTOR(SI)                    
Q105   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q106   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q107   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q108   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q109   PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q111   B1ABGE000011      TRANSISTOR(SI)                    
Q112   B1ABGE000011      TRANSISTOR(SI)                    
Q113   B1ABGE000011      TRANSISTOR(SI)                    
Q114   B1ABGE000011      TRANSISTOR(SI)                    
(DIODES)
D1     B0EDER000009      DIODE(SI)                         
D2     B0EDER000009      DIODE(SI)                         
D3     DA2J10100L         DIODE(SI)                         
D4     DA2J10100L         DIODE(SI)                         
D5     DA2J10100L         DIODE(SI)                         
D6     B0BC013A0007      DIODE(SI)                         
D7     DA2J10100L         DIODE(SI)                         
D9     B0BC6R100010      DIODE(SI)                         
D10    DA2J10100L         DIODE(SI)                         
D11    B3AAB0000347      DIODE(SI)                        S
D12    B3ABB0000294      DIODE(SI)                        S
D13    B3AAB0000347      DIODE(SI)                        S
D14    B3AAB0000347      DIODE(SI)                        S
D15    B3AAB0000347      DIODE(SI)                        S
D16    B3AAB0000347      DIODE(SI)                        S
D17    B3AAB0000347      DIODE(SI)                        S
D18    B3AGB0000050      DIODE(SI)                         
D19    B3AGB0000050      DIODE(SI)                         
D20    B3AGB0000050      DIODE(SI)                         
D21    B3AGB0000050      DIODE(SI)                         
D22    B3AGB0000050      DIODE(SI)                         
D23    B3AGB0000050      DIODE(SI)                         
D24    B3AGB0000050      DIODE(SI)                         
D25    B3AGB0000050      DIODE(SI)                         
D26    B3AGB0000050      DIODE(SI)                         
D27    B3AGB0000050      DIODE(SI)                         
D28    B3AGB0000050      DIODE(SI)                         
D29    B3AGB0000050      DIODE(SI)                         
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
4
KX-T7730RU
D30    DA2J10100L         DIODE(SI)                         
D31    DA2J10100L         DIODE(SI)                         
D32    DA2J10100L         DIODE(SI)                         
D33    DA2J10100L         DIODE(SI)                         
D34    DA2J10100L         DIODE(SI)                         
D40    DA2J10100L         DIODE(SI)                         
(JACKS AND CONNECTORS)
JK1    K2LB104D0005      JACK/SOCKET                       
JK2    K2LB104D0004      JACK/SOCKET                       
JK3    PQJJ1C002Z         JACK/SOCKET                      S
CN1    K1MN14AA0058      CONNECTOR                         
(COMPONENTS COMBINATION)
RA2    D1H81224A024      COMPONENTS PARTS                  
(CAPACITORS)
C2     F2G1C1000014      10
   
C3     F2G1C2200012      22
   
C4     PQCUV1A225ZF      2.2
   
C6     ECUV1H102KBV      0.001
   
C7     ECUV1H821KBV      820p                             
C8     ECUV1A224KBV      0.22
   
C9     F2G1A2210024      220
   
C12    ECUV1H153KBV      0.015
   
C14    ECUV1C473KBV      0.047
   
C21    ECUV1C104KBV      0.1
   
C22    ECUV1H103KBV      0.01
   
C23    ECUV1H153KBV      0.015
   
C24    ECUV1C104KBV      0.1
   
C25    F1J1A106A024      10
   
C26    ECUV1C104KBV      0.1
   
C27    ECUV1C104KBV      0.1
   
C28    ECUV1H222KBV      0.0022
   
C29    ECUV1H103KBV      0.01
   
C30    F2G0J2210013      220
   
C31    F1J0J1060006      10
  S
C32    ECUV1C104KBV      0.1
   
C33    ECUV1H153KBV      0.015
   
C34    ECUV1C104KBV      0.1
   
C35    ECUV1A105ZFV      1
 
 
C36    ECUV1C104ZFV      0.1
   
C41    ECUV1C104KBV      0.1
   
C42    ECUV1C104KBV      0.1
   
C44    ECUV1C473KBV      0.047
   
C45    ECUV1C473KBV      0.047
   
C46    ECUV1C473KBV      0.047
   
C47    ECUV1C333KBV      0.033
   
C48    ECUV1C104KBV      0.1
   
C49    ECUV1C333KBV      0.033
   
C50    F1H1A225A025      2.2
   
C51    F1H1A225A025      2.2
   
C52    F1J0J1060006      10
  S
C53    F2G0J4700012      47
   
C54    F2G0J1010042      100
   
C55    F1J0J1060006      10
  S
C56    F2G1A2210024      220
   
C57    F2G1A1020007      1000
   
C58    PQCUV1A475ZF      4.7
   
C59    ECUV1C104KBV      0.1
   
C60    ECUV1C223KBV      0.022
   
C61    ECUV1C104KBV      0.1
   
C62    ECUV1C473KBV      0.047
   
C63    F2G0J1010042      100
   
C64    ECUV1C104KBV      0.1
   
C65    ECUV1H103KBV      0.01
   
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
C66    ECUV1H103KBV      0.01
  
C67    ECUV1H103KBV      0.01
  
C81    ECUV1C104KBV      0.1
  
C84    ECUV1H103KBV      0.01
  
C85    ECUV1H103KBV      0.01
 S
C86    ECUV1H103KBV      0.01
 S
C91    ECUV1C104KBV      0.1
  
C92    ECUV1A105ZFV      1
 
 
C93    ECUV1C473KBV      0.047
  
C94    ECUV1H102KBV      0.001
  
C95    ECUV1C104ZFV      0.1
  
C96    ECUV1H103KBV      0.01
 S
C101   ECUV1H103KBV      0.01
  
C103   F1H1A225A025      2.2
  
C104   ECUV1H103KBV      0.01
 S
C106   ECUV1H103KBV      0.01
 S
C107   ECUV1C104ZFV      0.1
  
C108   ECUV1C104ZFV      0.1
  
C110   ECUV1C104ZFV      0.1
  
C112   F1H1A225A025      2.2
  
C113   F1H1A225A025      2.2
  
C114   F1H1A225A025      2.2
  
C115   F1H1A225A025      2.2
  
C116   F1H1A225A025      2.2
  
C117   ECUV1H103KBV      0.01
 S
C130   ECUV1H331JCV      330p                            S
C131   ECUV1C104KBV      0.1
  
C132   ECUV1A105ZFV      1
 
 
C203   F2G1E4700013      47
  
C204   ECUV1C104ZFV      0.1
  
C205   F2G1A221A096      220
  
C206   F2G1A2210024      220
  
C208   ECUV1H102KBV      0.001
  
C209   ECUV1H222KBV      0.0022
  
C210   ECUV1H103KBV      0.01
 S
C211   ECUV1H103KBV      0.01
  
C212   ECUV1H102KBV      0.001
  
C213   ECUV1H102KBV      0.001
  
C215   F2G0J2210013      220
  
(RESISTORS)
R1     D0GB104JA057      100k                             
R2     D0GB223JA057      22k                              
R3     ERJ3GEYJ222       2.2k                            S
R4     ERJ3GSYJ683       68k                             S
R5     ERJ3GEYJ470       47
  
R6     ERJ3GSYJ681       680
 S
R7     ERJ3GSYJ273       27k                             S
R8     ERJ3GSYJ330       33
 S
R9     ERJ3GSYJ203       20k                             S
R10    D0GB272JA057      2.7k                             
R12    ERJ3GEYJ222       2.2k                             
R13    ERJ3GEYJ474       470k                             
R14    ERJ3GEYJ180       18
 S
R15    ERJ3GSYJ682       6.8k                            S
R16    D0GB560JA057      56
  
R17    ERJ3GEY0R00        0
 
 
R21    D0GB272JA057      2.7k                             
R22    ERJ3GEYJ332       3.3k                             
R23    ERJ3GSYJ121       120
 S
R24    ERJ3GSYJ274       270k                            S
R25    ERJ3GEYJ474       470k                             
R26    ERJ3GEYJ472       4.7k                             
R27    D0GB562JA057      5.6k                             
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
5
KX-T7730RU
R28    ERJ3GEYJ332       3.3k                             
R29    ERJ3GEYJ474       470k                             
R30    D0GB104JA057      100k                             
R31    ERJ3GEYJ102       1k                               
R32    ERJ3GSYJ393       39k                             S
R34    ERJ3GEYJ332       3.3k                             
R36    D0GB151JA057      150
  
R37    ERJ3GSYJ183       18k                             S
R38    ERJ3GSYJ682       6.8k                            S
R39    ERJ3GEYJ822       8.2k                            S
R40    ERJ3GEYJ682       6.8k                            S
R41    ERJ3GEYJ472       4.7k                             
R42    ERJ3GSYJ183       18k                             S
R43    ERJ3GEYJ474       470k                             
R44    ERJ3GEYJ472       4.7k                             
R45    ERJ3GEYJ332       3.3k                             
R46    D0GB562JA057      5.6k                             
R47    D0GB562JA057      5.6k                             
R48    ERJ3GEYJ225       2.2m                             
R49    ERJ3GSYJ303       30k                             S
R50    ERJ3GSYJ683       68k                             S
R51    ERJ3GEYJ275       2.7m                             
R52    D0GB104JA057      100k                             
R54    ERJ3GSYJ183       18k                             S
R55    ERJ3GEYJ154       150k                            S
R56    PQ4R18XJ3R3       3.3
 S
R57    ERJ3GEYJ222       2.2k                             
R58    D0GB104JA057      100k                             
R59    ERJ3GEYJ123       12k                              
R60    ERJ3GSYJ152       1.5k                            S
R61    ERJ3GEY0R00        0
 
 
R67    ERJ3GSYJ224       220k                            S
R68    ERJ3GSYJ124       120k                            S
R69    ERJ3GSYJ563       56k                             S
R70    ERJ3GSYJ273       27k                             S
R71    ERJ3GEYJ103       10k                             S
R72    ERJ3GEYJ392       3.9k                            S
R73    D0GB104JA057      100k                             
R74    D0GB562JA057      5.6k                             
R75    ERJ3GSYJ683       68k                             S
R76    ERJ3GSYJ124       120k                            S
R77    ERJ3GEYJ822       8.2k                            S
R78    D0GB473JA057      47k                              
R79    ERJ3GSYJ393       39k                             S
R80    ERJ3GSYJ333       33k                             S
R81    D0GB103JA057      10k                              
R82    ERJ3GSYJ152       1.5k                            S
R84    ERJ3GSYJ334       330k                            S
R86    ERJ3GSYJ224       220k                            S
R87    ERJ3GSYJ682       6.8k                            S
R88    D0GB272JA057      2.7k                             
R89    ERJ3GSYJ683       68k                             S
R91    D0GB103JA057      10k                              
R92    ERJ3GSYJ183       18k                             S
R93    D0GB103JA057      10k                              
R94    ERJ3GEYJ472       4.7k                             
R95    ERJ3GEYJ474       470k                             
R96    D0GB104JA057      100k                             
R97    D0GB103JA057      10k                              
R98    D0GB153JA057      15k                              
R99    D0GB103JA057      10k                              
R90    D0GB471JA057      470
  
R100   ERJ3GSYJ683       68k                             S
R101   ERJ3GSYJ221       220
 S
R102   ERJ3GSYJ221       220
 S
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
R103   D0GB272JA057      2.7k                             
R105   ERJ3GEYJ680       68
 S
R106   ERJ3GEYJ102       1k                               
R107   ERJ3GEYJ472       4.7k                             
R108   ERJ3GEYJ102       1k                               
R123   ERJ3GEYJ222       2.2k                             
R124   ERJ3GEY0R00        0
 
 
R125   ERJ3GEYJ474       470k                             
R126   D0GB153JA057      15k                              
R127   ERJ3GSYJ333       33k                             S
R128   D0GB272JA057      2.7k                             
R129   D0GB103JA057      10k                              
R131   ERJ3GSYJ221       220
 S
R132   D0GB560JA057      56
   
R133   ERJ3GSYJ221       220
 S
R134   D0GB560JA057      56
   
R135   ERJ3GSYJ221       220
 S
R136   D0GB560JA057      56
   
R137   ERJ3GEYJ101       100
 S
R138   ERJ3GEYJ560       56
  
R139   ERJ3GEYJ330       33
  
R144   D0GB471JA057      470
   
R140   ERJ3GEYJ150       15
  
R156   D0GB153JA057      15k                              
R201   ERJ3GEYJ222       2.2k                             
R206   ERJ3GEYJ102       1k                               
R208   D0GB223JA057      22k                              
R230   ERJ3GSYJ333       33k                             S
R231   D0GB103JA057      10k                              
R232   ERJ3GEYJ153       15k                             S
R233   ERJ3GSYJ393       39k                             S
R234   ERJ3GSYJ303       30k                             S
R236   D0GB512JA041      5.1k                             
R237   D0GB471JA057      470
   
R238   ERJ3GSYJ274       270k                            S
R240   ERJ3GEYJ102       1k                               
R289   D0GB104JA057      100k                             
(PHOTO ELECTRIC TRANS-
DUCER)
PC1    B3PBB0000039      
PHOTO ELECTRIC TRANS-
DUCER     
(SWITCH)
SW1    PSSS3A101Z         SLIDE SWITCH                     S
(TRANSFORMERS)
T1        G5AYA0000009 TRANSFORMER                      S
T2     G5B1A0000011      TRANSFORMER                       
(CRYSTAL OSCILLATOR)
X1     H2C200500007      CRYSTAL OSCILLATOR               
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
6
KX-T7730RU
1.3.
SCHEMATIC DIAGRAM
Change from the Original Service Manual Section 15.
KX-T7730RU MAIN BOARD (1/2)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(11)
(12)
2.4V
2.8V
1.5V
2.7V
2.8V
5.4V
5.3V
2.0V
0
0
0
2.8V
2.7V
2.5V
2.9V
2.8V
2.7V
2.8V
2.8V
2.8V
2.2V
1.5V
2.1V
2.1V
0
0
2.8V
6.1V
2.9V
2.8V
4.6V
SP-Phone
Transmission
Signal
Ringer
Signal
3.3V : The handset is in use
   0V : The speakerphone is in use
On using the speakerphone
SP-Phone
Recepton Signal
GR
GR
GR
GR
GR
GR
GR
GR
GR
GR
GR
GR
C
L0
L1
L2
L3
L4
L5
L6
L7
C3
C2
C1
C0
K0
K1
K2
K3
K4
K6
K5
C4
C5
D9
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
IC8
1
I/O
2
O/I
3
VSS
5
VDD
4
CONT
IC3
1
RR
2
RTX
26
RXO
27
RXI
3
TXI
28
RRX
4
TXO
25
ACF
5
TLI
24
VLC
6
TLO
23
XDC
7
RLI
22
Gnd
8
RLO
21
VB
9
MCI
20
VCC
10
MCO
19
SKI
11
CP1
18
*CS
12
CP2
17
AGC
13
XDI
16
V+
14
SKG
15
SKO
D30
D31
D32
D33
D34
C50 2.2u
C51
2.2u
C131
0.1u
C24
0.1u
C27
0.1u
C32
0.1u
C34
0.1u
C48 0.1u
C59
0.1u
C61
0.1u
C64
0.1u
C60 0.022u
C47 0.033u
C49 0.033u
C44 0.047u
C45 0.047u
C46
0.047u
C62
0.047u
C213
1000p
C29
0.01u
C65 0.01u
C66
0.01u
C67
0.01u
C84
0.01u
C209
2200p
C28
2200p
C25
10u
C30
220u 6.3
X1
20M
1
2
3
R206
1k
R240
1k
R31
1k
R129
10k
R231
10k
R30
100k
R52
100k
R58
100k
R73
100k
R59
12k
R68
120k
R76
120k
R140
15
R36
150
R60
1.5k
R55
150k
R37
18k
R54
18k
R131
220
R133
220
R135
220
R57
2.2k
R208
22k
R67
220k
R48
2.2M
R70
27k
R238
270k
R51
2.7M
R49
30k
R45
3.3k
R80
33k
R84
330k
R79
39k
R26
4.7k
R44
4.7k
R78
47k
R25
470k
R29
470k
R43
470k
R236
5.1k
R132
56
R134
56
R27
5.6k
R46
5.6k
R47
5.6k
R74
5.6k
R69
56k
R87
6.8k
R50
68k
R75
68k
R56
3.3
C31
10u
C52 10u
C55 10u
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
C43
NC
AG
AG
AG
R235
N
C
C133
NC
AG
AG
AG
AG
R19
NC
R20
NC
AG
AG1
AG
AG
C214 NC
D3.3V
AG
AG
AG
AG
C68
NC
AG
AG
AG
+6V
AG
AG
AG
+6V
AG
D3.3V
DG
D3.3V
DG
R121
NC
DG
DG
D3.3V
D3.3V
R88
2.7k
AG
R89
68k
D3.3V
AG
R85
NC
AG
AG
D3.3V
DG
R153 NC
D3.3V
AG
D3.3V
R38
6.8k
AG
R296
NC
R144
470
R90
470
AG
AG1
JK2
1
2
3
4
5
JK3
1
2
5
3
4
C211
0.01u
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
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
SW1
5
4
1
3
6
2
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
R28
3.3k
R34
3.3k
G1
G2
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
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
Q111
Q112
Q113
Q114
DG
DG
DG
IC2
4
VSS
1
OUT
2
VDD
3
NC
1
CD
2
+VREF
6
V+
7
GND
3
+VIN
8
VOUT2
4
-VIN
5
VOUT1
J2
NC
J3 NC
R61
0
Q8
Q9
Q18
C56
220u 10
C106
0.01u
C107 0.1u
C35
1u
C53
47u 6.3
C54
100u 6.3
C58 4.7u
C63
100u
6.3
C86
0.01u
RA2
1.2k
1
2
3
4
5
6
7
8
D12
R232
15k
R71
10k
R72
3.9k
R39
8.2k
R40
6.8k
R139 33
R137
100
R138
56
CN8
CN7
CN2
CN3
CN4
CN5
CN8
CN7
IC4
NC
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Panasonic KX-T7730RU Service Manual / Supplement ▷ Download

  • DOWNLOAD Panasonic KX-T7730RU Service Manual ↓ Size: 1.76 MB | Pages: 10 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Supplement for the Panasonic KX-T7730RU in PDF for free, which will help you to disassemble, recover, fix and repair Panasonic KX-T7730RU PBX. Information contained in Panasonic KX-T7730RU Service Manual / Supplement (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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KX-T7730RU Service Manuals

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KX-T7730RU (serv.man3) PROPRIETARY TELEPHONE Service Manual 1.82 MB
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KX-T7730RU (serv.man4) PROPRIETARY TELEPHONE Service Manual / Supplement 22 912.7 KB
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KX-T7730RU (serv.man5) PROPRIETARY TELEPHONE Service Manual / Supplement 2 129.73 KB
KX-T7730RU PROPRIETARY TELEPHONE Service Manual / Supplement 2 34.96 KB
KX-T7730SP KX-T7730RU KX-T7730AL KX-T7730X PROPRIETARY TELEPHONE Service Manual / Supplement 2 34.29 KB
KX-T7730RU (serv.man6) PROPRIETARY TELEPHONE Service Manual / Supplement 6 1022.74 KB
KX-T7730RU (serv.man7) PROPRIETARY TELEPHONE Service Manual / Supplement 28 1.01 MB
KX-T7730RU (serv.man8) PROPRIETARY TELEPHONE Service Manual / Supplement 3 216.73 KB

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