DOWNLOAD Panasonic KX-T7730UA (serv.man3) Service Manual ↓ Size: 919.08 KB | Pages: 22 in PDF or view online for FREE

Model
KX-T7730UA (serv.man3)
Pages
22
Size
919.08 KB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / PROPRIETARY TELEPHONE
File
kx-t7730ua-sm3.pdf
Date
PREV: Panasonic KX-T7730UA Service Manual

Panasonic KX-T7730UA (serv.man3) Service Manual / Supplement ▷ View online

ORDER NO. KMS1302718SE
PROPRIETARY TELEPHONE
Model No.
KX-T7730UA
(for Ukraine)
TABLE OF CONTENTS
PAGE
1 CHANGES----------------------------------------------------------- 2
1.1. Subject ------------------------------------------------------ 2
1.2. Replacement Parts List ---------------------------------- 3
1.3. IC DATA ------------------------------------------------------ 7
1.4. BLOCK DIAGRAM ---------------------------------------- 9
1.5. CIRCUIT OPERATIONS--------------------------------10
1.6. TROUBLESHOOTING GUIDE------------------------15
1.7. SCHEMATIC DIAGRAM --------------------------------18
1.8. PRINTED CIRCUIT BOARD (MAIN BOARD)-----21
Please file and use this supplement manual together with the service manual for Model No. KX-T7730UA
Order No. KMS0605231CE.
2
KX-T7730UA
1 CHANGES
1.1.
Subject 
SInce the main board was changed, the display on the board; PSUP1382ZB was also changed to PSUP1382ZC.
Distinguish a change by this indication.
When replacing MAIN BOARD PSUP1382ZB with PSUP1382ZC for Suffix C or precious C, change LCD L5DBBHC00003 with
L5DYAYY00019 and FLAT CABLE PSJE1028 with PNJE1057Z simultaneously.
SUFFIX LOCATION
Suffix
Reason for suffix change
C to D
LCD, FLAT CABLE and Main Boaard change (PCB: from PSUP1382ZB to PSUP1382ZC)
D to E
Other
3
KX-T7730UA
1.2.
Replacement Parts List
1.2.1.
MAIN BOARD PARTS
Change from  the Original Service Manual Section 15.3.
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS COMPARISON 
LISTS.
1. Improve performance
Remarks:
1. Mark*1 LCD, FLAT CABLE and MAIN BOARD PARTS have been changed at the same time. New
parts can be used for PSUP1382ZC.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Interchangeability Code (Symbols: B) Following V-Z interchange abilities are indicated on the Notes in the bottom column.
Parts
Set Production
V Original
New
Early (before change)
Late (after change)
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
W Original
New
Early (before change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in early or
late production sets. Use original parts where possible, then stock new parts.
X Original
New
Early (before change)
Late (after change)
New parts only may be used in early or late production sets.
Stock new parts.
Y Original
New
Early (before change)
Late (after change)
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.
Z Other
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
CABINET AND ELECTRICAL PARTS
20
PSJE1028Y
PNJE1057Z
FLAT CABLE
1
*1
8
X
D
24
L5DBBHC00003
L5DYAYY00019
LCD
1
*1
8
X
D
MAIN BOARD PARTS
R3
ERJ3GEYJ472
ERJ3GEYJ392
RESISTOR, 3.9k
Ω
1
8
X
E
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
PCB1
PSWPT7730UA
MAIN BOARD ASSÅLY (RTL)
(ICS)
IC1    C2CBYY001100                                       
IC2    C0EBF0000123      IC                               
IC3    C1CB00001673      IC                               
IC5    C0JBAS000185      IC                               
IC6    C0ABBA000093      IC                               
IC7    PQVIBA06FPE2      IC                              S
IC8    C0JBAS000249      IC                               
IC9    C0JBAB000667      IC                               
IC10   C0ABBA000093      IC                               
IC11   C0CBCBC00049      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     B1ABGB000020      TRANSISTOR(SI)                   
Q7     B1GKCFNN0006      TRANSISTOR(SI)                   
Q8     B1ABCF000020      TRANSISTOR(SI)                   
Q9     B1ABCF000020      TRANSISTOR(SI)                   
Q10    B1ABGB000020      TRANSISTOR(SI)                   
Q11    PSVTUMG2NTR       TRANSISTOR(SI)                  S
Q12    PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q13    B1ABGB000020      TRANSISTOR(SI)                    
Q14    B1ABGB000020      TRANSISTOR(SI)                    
Q15    PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q16    PSVTUMG2NTR        TRANSISTOR(SI)                   S
Q18    UN5213             TRANSISTOR(SI)                   S
Q20    UN5213             TRANSISTOR(SI)                   S
Q101   2SA1576R           TRANSISTOR(SI)                   S
Q102   B1ABCF000020      TRANSISTOR(SI)                    
Q103   B1HBGBA00001      TRANSISTOR(SI)                    
Q104   B1HBGBA00001      TRANSISTOR(SI)                    
Q105   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q106   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q107   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q108   B1GHCFCJ0001      TRANSISTOR(SI)                    
Q109   PSVTUMG2NTR        TRANSISTOR(SI)                   S
(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)                         
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
4
KX-T7730UA
D10    DA2J10100L         DIODE(SI)                         
D11    PSVD1SRCT          DIODE(SI)                        S
D12    PSVD1VGCT          DIODE(SI)                        S
D13    PSVD1SRCT          DIODE(SI)                        S
D14    PSVD1SRCT          DIODE(SI)                        S
D15    PSVD1SRCT          DIODE(SI)                        S
D16    PSVD1SRCT          DIODE(SI)                        S
D17    PSVD1SRCT          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)                         
D30    DA2J10100L         DIODE(SI)                         
D31    DA2J10100L         DIODE(SI)                         
D32    DA2J10100L         DIODE(SI)                         
D33    DA2J10100L         DIODE(SI)                         
D34    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
   
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
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
  
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    ECUV1H122KBV      0.0012
  
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   F2G1A1020007      1000
  
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     ERJ3GEYJ392       3.9k                            S
R4     ERJ3GSYJ683       68k                             S
R5     ERJ3GEYJ470       47
  
Safety Ref. 
No.
Part No.
Part Name & Description Remarks
Page of 22
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  • Here you can View online or download the Service Manual / Supplement for the Panasonic KX-T7730UA (serv.man3) in PDF for free, which will help you to disassemble, recover, fix and repair Panasonic KX-T7730UA (serv.man3) PBX. Information contained in Panasonic KX-T7730UA (serv.man3) Service Manual / Supplement (repair manual) includes:
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