Replacement Part List - Panasonic KX-TG8421EB Service Manual

15.5. Replacement Part List

1. RTL (Retention Time Limited)
Note:
The "RTL" marking indicates that its Retention Time is
Limited.
When production is discontinued, this item will con-
tinue to be available only for a specific period of time.
This period of time depends on the type of item, and
the local laws governing parts and product retention.
At the end of this period, the item will no longer be
available.
2. Important safety notice
Components identified by the
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=1000 kΩ
All capacitors are in MICRO FARADS (µF)p=µµF
*Type & Wattage of Resistor
15.5.1. Base Unit
15.5.1.1. Cabinet and Electrical Parts
Safety Ref. Part No.
No.
1 PNGP1050Y1
1 PNGP1050X4
1 PNGP1050X3
2 PNGG1035Z1
2 PNGG1035Z2
3 PNKM1071Y1
3 PNKM1071X3
mark indicates special
Part Name & Description
PANEL,LCD (for KX-
TG8421EB)
PANEL,LCD (for KX-
TG8421EM)
PANEL,LCD (for KX-
TG8421EN)
GRILLE (for KX-TG8421EB)
GRILLE (for KX-TG8421EM/
EN)
CABINET BODY (for KX-
TG8421EB)
CABINET BODY (for KX-
TG8421EM)
Safety Ref.
No.
3
4
5
6
7
8
9
9
10
11
12
13
14
15
15
15
16
17
17
18
19
20
21
22
22
23
24
24
24
15.5.1.2. Main P.C.Board Parts
Note:
(*1) When replacing IC7, IC401 or X1, make the adjustment
using PNZZTG8421E. Refer to Base Unit (P.68) of Things
to Do after Replacing IC or X'tal.
(*2) When you removing E1, use special tools (ex. Hot air
disordering tool).
(*3) Backside of this IC has a ground plate.
(*4) Supplied IC is Flat Package Type.
Safety Ref.
No.
PCB1
IC1
Remarks
IC7
ABS-HB
IC401 PQWICD300EHR IC (EEPROM) (*1)
IC421 C3FBMY000195 IC
ABS-HB
IC801 C1CB00001842 IC (*3)
ABS-HB
Q3
Q4
ABS-HB
Q5
ABS-HB
Q8
Q9
ABS-HB
Q421
ABS-HB
D1
105
KX-TG8421E/KX-TG8422E/KX-TG8423E/KX-TG8424E/KX-TGA840E
Part No. Part Name & Description
PNKM1071X2 CABINET BODY
TG8421EN)
K2ECYZ000001 JACK,DC
L0AD02A00026 SPEAKER
PQHG10729Z RUBBER PARTS,SPEAKER
PQHR11313Z GUIDE,SPEAKER
PQJJ1T039Y JACK,MODULAR
PNKE1028Z1 CASE,CHARGE TERMINAL (for
KX-TG8421EB)
PNKE1028Z2 CASE,CHARGE TERMINAL (for
KX-TG8421EM/EN)
PNHR1104Z OPTI
PARTS,LED LENS
PNBC1023Z1 BUTTON,ERASE
PNBC1266Y1 BUTTON,ANSWER ON
PNBC1024Z1 BUTTON,STOP
PNBC1025Z1 BUTTON,LOCATOR
PNBC1018Z1 BUTTON,NAVIGATOR KEY (for
KX-TG8421EB)
PNBC1018Y5 BUTTON,NAVIGATOR KEY (for
KX-TG8421EM)
PNBC1018Y4 BUTTON,NAVIGATOR KEY (for
KX-TG8421EN)
PNHR1010Z GUIDE,BUTTON
PNBC1001Z2 BUTTON,MESSAGE
TG8421EB/EM)
PNBC1001Z5 BUTTON,MESSAGE
TG8421EN)
PNJK1047Z KEYBOARD SWITCH
PNYE1011Z SPACER,ANTENNA
PNJT1025Z CHARGE TERMINAL
PNLA1002Z ANTENNA
PNKF1054X1 CABINET COVER
TG8421EB/EM)
PNKF1054X2 CABINET COVER
TG8421EN)
PQHA10023Z RUBBER PARTS,FOOT
PNGT1828Z NAME PLATE
TG8421EB)
PNGT1828X NAME PLATE
TG8421EM)
PNGT1828Y NAME PLATE
TG8421EN)
Part No. Part Name & Description Remarks
PNWP1G8421EH MAIN P.C.BOARD
(RTL)
(ICs)
C0CBAYG00016 IC
C1CB00002906 IC
(*1)(*3)(*4)
(TRANSISTORS)
B1ACGP000007 TRANSISTOR(SI)
PQVTBF822T7 TRANSISTOR(SI)
2SD0874AS TRANSISTOR(SI)
B1ADGE000004 TRANSISTOR(SI)
B1ADGE000004 TRANSISTOR(SI)
2SC6054JSL TRANSISTOR(SI)
(DIODES)
B0JCME000035 DIODE(SI)
Remarks
(for KX- ABS-HB
ABS-HB
PS-HB
PS-HB
CCONDUCTIVE PS-HB
ABS-HB
ABS-HB
ABS-HB
ABS-HB
ABS-HB
ABS-HB
ABS-HB
PS-HB
(for KX- AS-HB
(for KX- AS-HB
(for KX- PS-HB
(for KX- PS-HB
(for KX-
(for KX-
(for KX-
ASS'Y
(BBIC(FLASH)) S