DOWNLOAD Panasonic KX-T7740X (serv.man2) Service Manual ↓ Size: 810.64 KB | Pages: 27 in PDF or view online for FREE

Model
KX-T7740X (serv.man2)
Pages
27
Size
810.64 KB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DSS CONSOLE
File
kx-t7740x-sm2.pdf
Date
PREV: Panasonic KX-T7740X Service Manual / Supplement

Panasonic KX-T7740X (serv.man2) Service Manual ▷ View online

1.2. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED
PbF is stamped to show that Pb free solder is used. (See the figure below.)
E4
B4
A4
A1
B1
A2
B2
B3
A3
A6
D5V
GND
T1
IC2
A7
IC3
C5
10
6
C1
R1
R2
D3
R15
5
1
1
7
C2
R8
R3
R4
8
14
C7
Q1
Q2
R6
D2
R7
C3
R5
A5
E5
B8
R
B6
B9
E1
E2
B7
B10
E3
L
T
H
D1
B5
Q11
IC1
32
33
48
49
64
C11
C9
R13
R14
R28
IC4
RA1
C12
C10
1
16
17
R21
R22
C13
C8
R10 R9
R11
R12
X1
R24
R23
R25
Q14 R27
JK1
R26
Q12
Q13
C4
C6
Q15
Q16
Q17
PSUP1383Z
A
KX-T7740X-B  MAIN BOARD
COMPONENT VIEW
Marked PbF (PbF is marked around here)
PbF
4
KX-T7740X-B
2 FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
 1. Cover the plastic parts boxes with aluminum foil.
 2. Ground the soldering irons.
 3. Use a conductive mat on the worktable.
 4. Do not touch IC or LSI pins with bare fingers.
3 SPECIFICATIONS
5
KX-T7740X-B
4 LOCATION OF CONTROLS
5 CONNECTION
Caution:
Ensure the cord is inserted in the groove to prevent damage to the connector.
6
KX-T7740X-B
6 DISASSEMBLY INSTRUCTIONS
1. Remove the Stand.
2. Remove Screw (A).
3. Remove the Lower Cabinet and Upper Cabinet.
7
KX-T7740X-B
Page of 27
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Panasonic KX-T7740X (serv.man2) Service Manual ▷ Download

  • DOWNLOAD Panasonic KX-T7740X (serv.man2) Service Manual ↓ Size: 810.64 KB | Pages: 27 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Panasonic KX-T7740X (serv.man2) in PDF for free, which will help you to disassemble, recover, fix and repair Panasonic KX-T7740X (serv.man2) Telephone. Information contained in Panasonic KX-T7740X (serv.man2) Service Manual (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-T7740X (serv.man2) Service Manuals

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KX-T7740X DSS CONSOLE Service Manual 1.07 MB
KX-T7740X (serv.man2) DSS CONSOLE Service Manual / Supplement 104.86 KB
KX-T7740X-B DSS CONSOLE Service Manual / Supplement 2 130.97 KB
KX-T7740X KX-T7740X-SX DSS CONSOLE Service Manual / Supplement 2 133.48 KB
KX-T7740X DSS CONSOLE Service Manual / Supplement 6 84.11 KB
KX-T7740X KX-T7740X-B DSS CONSOLE Service Manual / Supplement 2 138.31 KB

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