Panasonic KX-TG1843ALS, Service Manual

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1. RTL (Retention Time Limited)
Note:
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
oftime. The retention period ofavailability is dependant
on the type ofassembly, and in accordance with the
laws governing part and product retention. After the end
ofthis 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 ofsome identical parts.
For that reason, it may be different from the installed part.
4. ISO code (Example: ABS-94HB) ofthe remarks column
shows quality ofthe 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 ofResistor
29.1. Base Unit
29.1.1. Cabinet and Electrical Parts
Ref.
No.
Part No. Part Name & Description Remarks
1 PQGP10286Z1 PANEL, LCD AS-HB
2 PQHS10675Z TAPE, DOUBLE SIDED (LCD)
3 PQGG10293Z1 GRILLE, FRONT PS-HB
4 PQBC10429Z1 BUTTON, NAVI KEY ABS-HB
5 PQHR11125Z GUIDE, NAVI KEY BUTTON POM-HB
6 PQBC10430Z1 BUTTON, PLAY ABS-HB
7 PQHR11124Z OPTIC CONDUCTIVE PARTS, LED
LENS PS-HB
8 PQSX10291Z KEYBOARD SWITCH, 6 KEY
Ref.
No.
Part No. Part Name & Description Remarks
9 PQBC10431Z1 BUTTON, ANSWER ON ABS-HB
10 PQSX10293Z KEYBOARD SWITCH, TAM KEY
11 PQSX10292Z KEYBOARD SWITCH, 16 KEY
12 L0AA04A00028 SPEAKER
13 PQHR11082Z GUIDE, SPEAKER POM-HB
14 PQGG10294Y1 GRILLE, CLEAR PC-HB
15 PQKM10685Y1 CABINET BODY PS-HB
16 PQJT10218Y CHARGE TERMINAL (R)
17 PQJT10219Y CHARGE TERMINAL (L)
18 PQKE10384Z3 HOLDER, CHARGE TERMINAL (R) POM-HB
19 PQKE10385Z3 HOLDER, CHARGE TERMINAL (L) POM-HB
20 PQHR11126Z CASE, CHARGE TERMINAL
21 PQSA10164Z ANTENNA (L)
22 PQSA10165Z ANTENNA (R)
23 PQMG10025Z RUBBER PARTS, MIC
24 PQKF10676Z1 CABINET COVER PS-HB
25 PQGT18118Z NAME PLATE
26 PQHA10017Z RUBBER PARTS, LEG CUSHION
27 PQHA10018Z RUBBER PARTS, FOOT CUSHION
29.1.2. Main P.C.Board Parts
Note:
(*1) When replacing IC3 or IC4, data need to be written to
it with PQZZTG1840AL. Refer to
Base Unit (P.41) of
THINGS TO DO AFTER REPLACING IC .
(*2) When replacing IC4, follow the procedure in the “ Note: ”
in CIRCUIT BOARD (BASE UNIT_MAIN) (P.87).
Ref.
No.
Part No. Part Name & Description Remarks
PCB1 PQWP11840ALH MAIN P.C.BOARD ASS´Y (RTL)
(ICs)
IC1 C0DBZGE00007 IC
IC3 PQWICD300EHR IC (EEPROM) (*1)
IC4 C1CB00002180 IC (BBIC) (*1) (*2)
IC6 PQWI21840ALH IC (FLASH MEMORY)
IC7 C1BB00000265 IC
IC8 PQWI31840ALH IC (FLASH MEMORY)
IC9 C0JBAF000223 IC
IC10 C0JBAF000223 IC
IC11 C0CBAYF00016 IC
(TRANSISTORS)
Q2 B1ADGE000004 TRANSISTOR(SI)
Q3 B1ADGE000004 TRANSISTOR(SI)
Q4 B1ACGP000007 TRANSISTOR(SI)
Q5 PQVTBF822T7 TRANSISTOR(SI)
Q6 B1ABCF000103 TRANSISTOR(SI)
Q7 B1ABCF000103 TRANSISTOR(SI)
Q8 B1AAJC000010 TRANSISTOR(SI)
Q12 B1ABCE000009 TRANSISTOR(SI)
Q361 2SB1218A TRANSISTOR(SI)
Q362 PQVTDTC143E TRANSISTOR(SI) S
(DIODES)
D1 B0JAME000095 DIODE(SI)
D3 PQVDS1ZB60F1 DIODE(SI) S
D4 MA1Z300 DIODE(SI) S
D6 MA8220 DIODE(SI) S
D7 MA112 DIODE(SI) S
D8 B0JCDD000002 DIODE(SI)
D301 MA8047 DIODE(SI) S
D311 B0JCDD000002 DIODE(SI)
D361 B0ECKM000008 DIODE(SI)
DA1 B0DDCM000001 DIODE(SI)
(COILS)
L3 PQLQR2M33NKT COIL S
L5 PQLQR2M6N8KT COIL S
L6 PQLQXF330K COIL S
L7 PQLQXF330K COIL S
29 REPLACEMENT PARTS LIST
72
KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS