Panasonic KX-TG2448BXF, Service Manual

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Note:
1. RTL (Retention Time Limited)
The marking (RTL) indicates that the Retention Time is
limited for this item.
After the discontinuation of this assembly in production, the
item will continue to be available for a specific period of
time. The retention period of availability depends on the
type of assembly and the laws governing parts and product
retention.
At the end of this period, the assembly will no longer be
available.
2. Important safety notice
Components identified by the mark indicates special
characteristics important for safety. When replacing any of
these components, only use specified manufacture´s parts.
3. The S mark means the part is one of some identical parts.
For that reason, it may be different from the installed part.
4. ISO code (Example: ABS-94HB) of the remarks column
shows quality of the material and a flame resisting grade
about plastics.
5. RESISTORS & CAPACITORS
Unless otherwise specified;
All resistors are in ohms (
Ω
) K=1000
Ω
, M=1000k
Ω
All capacitors are in MICRO FARADS (µF) P=µµF
*Type & Wattage of Resistor
26.1. Base Unit
26.1.1. Cabinet and Electrical Parts
Ref.
No.
Part No. Part Name & Description Remarks
1 PQGP10266Y2 PANEL, LCD AS-HB
2 PQHS10655Z TAPE, DOUBLE SIDED (LCD
PANEL)
3 PQGG10273Z1 GRILLE, LCD ABS-HB
4 PQGG10272U3 GRILLE, FRONT (for KX-
TG2448BXF) ABS-HB
4 PQGG10272U5 GRILLE, FRONT (for KX-
TG2448BXS) ABS-HB
5 PQHR11067Z OPTIC CONDUCTIVE PARTS, LED
LENS
Ref.
No.
Part No. Part Name & Description Remarks
6 PQGG10268Y1 GRILLE, BASE PS-HB
7 PQSX10277Z KEYBOARD SWITCH, LOCATOR KEY
8 PQGG10269Z1 GRILLE, CLEAR PC-HB
9 PQQT22850Z LABEL, CHARGE
10 PQHX11322Z PLASTIC PARTS, PET SHEET
11 PQKM10649Z1 CABINET BODY ABS-HB
12 PQSA10180Z ANTENNA
13 PQKE10433Z1 COVER, ANTENNA CAP (L)
14 PQHX11305Z PLASTIC PARTS, PET SHEET
15 PQHR11063Z GUIDE, CHARGE TERMINAL PS-HB
16 PQKE10338Z1 HOLDER, CHARGE TERMINAL POM-HB
17 PQJT10238Z TERMINAL, CHARGE
18 PQHR11062Z GUIDE, CHARGE TERMINAL PS-HB
19 PQYF10594Y1 CABINET COVER PS-HB
20 PQGT18522Z NAME PLATE (for KX-TG2448BXF)
20 PQGT18520Z NAME PLATE (for KX-TG2448BXS)
26.1.2. Main P.C. Board Parts
Note:
(*1) When you have replaced IC501 or IC611, adjust X501.
Refer to Check and Adjust X501 (Base Unit) Frequency
(P.39).
Ref.
No.
Part No. Part Name & Description Remarks
PCB1 PQWP12448BXH MAIN P.C.BOARD ASS´Y (RTL)
(ICs)
IC300 C0DBAGZ00023 IC S
IC331 C0DBFGD00017 IC
IC381 C0CBAAD00054 IC
IC501 C2HBBK000089 IC (*1)
IC611 PQWIG2448BXH IC (*1)
IC901 C1CB00001657 IC
(TRANSISTORS)
Q111 2SD1819A TRANSISTOR(SI)
Q131 2SD1819A TRANSISTOR(SI)
Q141 B1ADGP000008 TRANSISTOR(SI)
Q142 B1BBAP000021 TRANSISTOR(SI)
Q161 2SD0874AS TRANSISTOR(SI)
Q171 2SD1819A TRANSISTOR(SI)
Q300 B1CHND000004 TRANSISTOR(SI)
Q361 2SB1218A TRANSISTOR(SI)
Q362 2SD1819A TRANSISTOR(SI)
Q371 2SD1758Q TRANSISTOR(SI) S
Q372 2SD1819A TRANSISTOR(SI)
Q521 2SC39300CL TRANSISTOR(SI)
(DIODES)
D101 B0EDER000009 DIODE(SI) S
D113 MA111 DIODE(SI) S
D133 MA111 DIODE(SI) S
D142 PQVDRLZ20A DIODE(SI) S
D300 B0JCME000035 DIODE(SI)
D301 B0JCME000035 DIODE(SI)
D361 MA8220 DIODE(SI) S
D362 B0ECKM000008 DIODE(SI)
D371 MA8220 DIODE(SI) S
D373 B0ECKM000008 DIODE(SI)
D903 B0DCCD000011 DIODE(SI)
D904 B0DCCD000011 DIODE(SI)
(COILS)
L101 PQLQXF330K COIL S
L102 PQLQXF330K COIL S
L300 G1C220M00037 COIL S
L361 G1C6R8MA0072 COIL
L371 G1C6R8MA0072 COIL
L501 PQLQR2KA213 COIL S
L901 MQLPF18NJFB COIL
L902 MQLPF10NJFB COIL
L903 MQLRF3N3DFB COIL
26 REPLACEMENT PARTS LIST
75
KX-TG2448BXF / KX-TG2448B XS / KX-TGA254BXF / KX-TGA254BXS