Panasonic KX-TG8421EB

105
KX-TG8421E/KX-TG8422E/KX-TG8423E/KX-TG8424E/KX-TGA840E
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 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=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
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.
Part No. Part Name & Description Remarks
1 PNGP1050Y1 PANEL,LCD (for KX-
TG8421EB)
ABS-HB
1 PNGP1050X4 PANEL,LCD (for KX-
TG8421EM)
ABS-HB
1 PNGP1050X3 PANEL,LCD (for KX-
TG8421EN)
ABS-HB
2 PNGG1035Z1 GRILLE (for KX-TG8421EB) ABS-HB
2 PNGG1035Z2 GRILLE (for KX-TG8421EM/
EN)
ABS-HB
3 PNKM1071Y1 CABINET BODY (for KX-
TG8421EB)
ABS-HB
3 PNKM1071X3 CABINET BODY (for KX-
TG8421EM)
ABS-HB
3 PNKM1071X2 CABINET BODY (for KX-
TG8421EN)
ABS-HB
4 K2ECYZ000001 JACK,DC
5 L0AD02A00026 SPEAKER
6 PQHG10729Z RUBBER PARTS,SPEAKER
7 PQHR11313Z GUIDE,SPEAKER ABS-HB
8 PQJJ1T039Y JACK,MODULAR
9 PNKE1028Z1 CASE,CHARGE TERMINAL (for
KX-TG8421EB)
PS-HB
9 PNKE1028Z2 CASE,CHARGE TERMINAL (for
KX-TG8421EM/EN)
PS-HB
10 PNHR1104Z OPTI CCONDUCTIVE
PARTS,LED LENS
PS-HB
11 PNBC1023Z1 BUTTON,ERASE ABS-HB
12 PNBC1266Y1 BUTTON,ANSWER ON ABS-HB
13 PNBC1024Z1 BUTTON,STOP ABS-HB
14 PNBC1025Z1 BUTTON,LOCATOR ABS-HB
15 PNBC1018Z1 BUTTON,NAVIGATOR KEY (for
KX-TG8421EB)
ABS-HB
15 PNBC1018Y5 BUTTON,NAVIGATOR KEY (for
KX-TG8421EM)
ABS-HB
15 PNBC1018Y4 BUTTON,NAVIGATOR KEY (for
KX-TG8421EN)
ABS-HB
16 PNHR1010Z GUIDE,BUTTON PS-HB
17 PNBC1001Z2 BUTTON,MESSAGE (for KX-
TG8421EB/EM)
AS-HB
17 PNBC1001Z5 BUTTON,MESSAGE (for KX-
TG8421EN)
AS-HB
18 PNJK1047Z KEYBOARD SWITCH
19 PNYE1011Z SPACER,ANTENNA
20 PNJT1025Z CHARGE TERMINAL
21 PNLA1002Z ANTENNA
22 PNKF1054X1 CABINET COVER (for KX-
TG8421EB/EM)
PS-HB
22 PNKF1054X2 CABINET COVER (for KX-
TG8421EN)
PS-HB
23 PQHA10023Z RUBBER PARTS,FOOT
24 PNGT1828Z NAME PLATE (for KX-
TG8421EB)
24 PNGT1828X NAME PLATE (for KX-
TG8421EM)
24 PNGT1828Y NAME PLATE (for KX-
TG8421EN)
Safety Ref.
No.
Part No. Part Name & Description Remarks
PCB1 PNWP1G8421EH MAIN P.C.BOARD ASS'Y
(RTL)
(ICs)
IC1 C0CBAYG00016 IC
IC7 C1CB00002906 IC (BBIC(FLASH))
(*1)(*3)(*4)
S
IC401 PQWICD300EHR IC (EEPROM) (*1)
IC421 C3FBMY000195 IC
IC801 C1CB00001842 IC (*3)
(TRANSISTORS)
Q3 B1ACGP000007 TRANSISTOR(SI)
Q4 PQVTBF822T7 TRANSISTOR(SI)
Q5 2SD0874AS TRANSISTOR(SI)
Q8 B1ADGE000004 TRANSISTOR(SI)
Q9 B1ADGE000004 TRANSISTOR(SI)
Q421 2SC6054JSL TRANSISTOR(SI)
(DIODES)
D1 B0JCME000035 DIODE(SI)
Safety Ref.
No.
Part No. Part Name & Description Remarks