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KX-TG8421HGN/KX-TGA840FXN
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 k
Ω
All capacitors are in MICRO FARADS (
µ
F)p=
µµ
F
*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 PNZZTG8421HG. Refer to
How to download the
data
(P.68) of
Things to Do after Replacing IC or X'tal.
(*2) When removing E1, use special tools (ex. Hot air disor-
dering 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
PNGP1050X3
UPPER PANEL
ABS-HB
2
PNGG1035Z2
GRILLE
ABS-HB
3
PNKM1071X2
CABINET BODY
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
PNKE1028Z2
CASE, CHARGE TERMINAL
PS-HB
10
PNHR1104Z
OPTIC
CONDUCTIVE
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
PNBC1018Y4
BUTTON, NAVIGATOR KEY
ABS-HB
16
PNHR1010Z
GUIDE, BUTTON
PS-HB
17
PNBC1001Z5
BUTTON, MESSAGE
AS-HB
18
PNJK1047Z
KEYBOARD SWITCH
19
PNYE1011Z
SPACER, ANTENNA
20
PNJT1025Z
CHARGE TERMINAL
21
PNLA1002Z
ANTENNA
22
PNKF1054X2
CABINET COVER
PS-HB
23
PQHA10023Z
RUBBER PARTS, FOOT
24
PNGT2220Y
NAME PLATE
Safety
Ref.
No.
Part No.
Part Name & Description Remarks
PCB1
PNWP18421HGH MAIN P.C.BOARD ASS'Y
(RTL)
(ICs)
IC1
C0CBAYG00016 IC
S
IC7
C1CB00002906 IC
(BBIC(FLASH))(*1)(*3)(*
4)
IC401
PQWICD300EHR IC (EEPROM)(*1)
IC421
C3FBMY000195 IC
IC801
C1CB00001842 IC (*3)
(TRANSISTORS)
Q2
B1ABCE000009 TRANSISTOR(SI)
Q3
B1ACGP000008 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)
D3
B0EDER000009 DIODE(SI)
D9
MA111
DIODE(SI)
S
D15
PQVDRLZ3R9A
DIODE(SI)
S
D16
PQVDRLZ3R9A
DIODE(SI)
S
D22
B0ECKM000008 DIODE(SI)
D23
MA8220
DIODE(SI)
S
D26
MANV250GEL
DIODE(SI)
DA801
B0DDCD000001 DIODE(SI)
DA802
B0DDCD000001 DIODE(SI)
(COILS)
L1
PQLQXF330K
COIL
S
L2
PQLQXF330K
COIL
S
L801
G1C27NJ00010 COIL
L802
G1C3N0ZA0063 COIL
L803
G1C3N0ZA0063 COIL
(COMPONENT PARTS)
RA1
D1H810240004 RESITOR ARRAY
S
RA402
D1H410320002 RESITOR ARRAY
RA501
EXB28VR000X
RESITOR ARRAY
RA80
D1H422120001 RESITOR ARRAY
(VARISTOR)
SA1
J0LF00000026 VARISTOR (SURGE
ABSORBER)
(RESISTORS)
R2
ERJ12YJ391
390
R3
PQ4R10XJ184
180k
S
Safety
Ref.
No.
Part No.
Part Name & Description Remarks
Summary of Contents for KX-TG8421HGN
Page 2: ...2 KX TG8421HGN KX TGA840FXN ...
Page 14: ...14 KX TG8421HGN KX TGA840FXN 4 6 Signal Route ...
Page 15: ...15 KX TG8421HGN KX TGA840FXN ...
Page 21: ...21 KX TG8421HGN KX TGA840FXN 7 1 2 Answering System Settings 7 1 3 SMS Settings ...
Page 24: ...24 KX TG8421HGN KX TGA840FXN 7 6 Troubleshooting ...
Page 25: ...25 KX TG8421HGN KX TGA840FXN Cross Rreference For Service Hint P 28 ...
Page 26: ...26 KX TG8421HGN KX TGA840FXN ...
Page 27: ...27 KX TG8421HGN KX TGA840FXN ...
Page 28: ...28 KX TG8421HGN KX TGA840FXN 7 7 For Service Hint Cross Reference Battery Charge P 17 ...
Page 29: ...29 KX TG8421HGN KX TGA840FXN 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Page 31: ...31 KX TG8421HGN KX TGA840FXN 8 1 2 Handset ...
Page 40: ...40 KX TG8421HGN KX TGA840FXN Cross Reference Check Point Base Unit P 48 ...
Page 42: ...42 KX TG8421HGN KX TGA840FXN Cross Reference Check Point Handset P 52 ...
Page 57: ...57 KX TG8421HGN KX TGA840FXN ...
Page 58: ...58 KX TG8421HGN KX TGA840FXN 10 1 2 Handset ...
Page 59: ...59 KX TG8421HGN KX TGA840FXN 10 1 3 Charger Unit ...
Page 60: ...60 KX TG8421HGN KX TGA840FXN 10 2 How to Replace the Handset LCD ...
Page 85: ...85 KX TG8421HGN KX TGA840FXN Memo ...
Page 97: ...97 KX TG8421HGN KX TGA840FXN 15 3 Cabinet and Electrical Parts Charger Unit ...
Page 98: ...98 KX TG8421HGN KX TGA840FXN 15 4 Accessories and Packing Materials 15 4 1 KX TG8421HGN ...
Page 99: ...99 KX TG8421HGN KX TGA840FXN 15 4 2 KX TGA840FXN ...