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Model
KX-TG8521CAB KX-TGA850RUB
Pages
90
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3.71 MB
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Service Manual
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Device
Telephone / DIGITAL CORDLESS ANSWERING SYSTEM
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kx-tg8521cab-kx-tga850rub.pdf
Date

Panasonic KX-TG8521CAB / KX-TGA850RUB Service Manual ▷ View online

85
KX-TG8521CAB/KX-TGA850RUB
15.4. Accessories
A1
A2
A3
86
KX-TG8521CAB/KX-TGA850RUB
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
continue 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 PNZZTG8521CA. Refer to How to download the
data
 (P.55) of Things to Do after Replacing IC or X'tal.
(*2) When removing E1, use special tools (ex. Hot air
disordering tool).
(*3) Backside of this IC has a ground plate. Refer to How to
Replace the LLP (Leadless Leadframe Package) IC
(P.61)
(*4) Supplied IC is Flat Package Type.
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
 1
PNGP1102Z1
PANEL, 
UPPER
ABS-HB
2
PNGG1067Z1
GRILLE, FRAME                      ABS-HB
3
PQJJ1T039N
JACK, MODULAR 
  
4
K2ECYZ000001 JACK, DC
  
5
L0AD02A00026 SPEAKER     
  
6
PQHG10729Z
RUBBER PARTS, SPEAKER
7
PQHR11313Z
GUIDE, SPEAKER
ABS-HB
8
PNKM1145Z1
CABINET BODY 
ABS-HB
9
PNKE1055Z1
CASE, CHARGE TERMINAL 
PS-HB
10
PNBC1005W3
BUTTON, ERASE
ABS-HB
11
PNBC1319Z1
BUTTON, ANSWER ON 
ABS-HB
Type
ERC:Solid
ERDS:Carbon
ERJ:Chip
ERX:Metal Film
ERG:Metal Oxide
ER0:Metal Film
PQ4R:
Chip
ERS:Fusible Resistor
ERF:Cement Resistor
Type
ECFD:Semi-Conductor
ECQS:Styrol
ECUV,
PQCUV,ECUE
:Chip
ECQMS:Mica
ECCD,ECKD,ECBT,F1K,ECUV:Ceramic
ECQE,ECQV,ECQG:Polyester
ECEA,ECST,EEE:Electlytic
ECQP:Polypropylene 
Wattage
*Type & Voltage Of Capacitor
10,16:1/8W
14,25:1/4W
12:1/2W
1:1W 2:2W 3:3W
Voltage
ECQ Type
ECQG
ECQV Type
05:50V
  1:100V
  2:200V
ECSZ Type
0J     :6.3V
1A     :10V
1C     :16V
1E,25:25V
1V     :35V
50,1H:50V
1J      :16V
2A      :100V
0F:3.15V
1A:10V
1V:35V
0J:6.3V
Others
1H:50V
2A:100V
2E:250V
2H:500V
12
PNBC1006W3
BUTTON, STOP
ABS-HB
13
PNBC1007V3
BUTTON, LOCATOR
ABS-HB
14
PNBC1002Z2
BUTTON, NAVIGATOR KEY 
ABS-HB
15
PNHR1294Z
OPTIC CONDUCTIVE PARTS,
LED LENS
PS-HB
16
PNHR1001Z
GUIDE, BUTTON 
PS-HB
17
PNBC1001Z2
BUTTON, MESSAGE 
AS-HB
18
PNJK1086Z
KEYBOARD SWITCH 
19
PNJT1003Z
CHARGE TERMINAL    
  
20
PNLA1030Z
ANTENNA     
  
21
PNYE1032Z
SPACER, ANTENNA    
22
PNKF1095Z1
CABINET COVER
PS-HB
23
PNHA1014Z
RUBBER PARTS, FOOT 
CUSHION 
24
PNHA1013Z
RUBBER PARTS, FOOT 
CUSHION 
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
 PCB1
PNWP18521CAH MAIN 
P.C.BOARD 
ASS'Y 
(RTL)
  
(ICs)
IC3
C0DBAGZ00026 IC
  
IC7
C1CB00002906 IC (BBIC(FLASH)) 
(*1)(*3)(*4)
  
IC401
PNWITG6521EH IC (EEPROM) (*1)
  
IC421
C3FBMY000195 IC
  
IC801
C1CB00001842 IC (*3)
  
(TRANSISTORS)
IC2
B1ZBZ0000065 TRANSISTOR(SI)
  
Q2
B1ABCE000009 TRANSISTOR(SI)
Q3
B1ACGP000007 TRANSISTOR(SI)
  
Q4
PQVTBF822T7 TRANSISTOR(SI)
  
Q5
2SD0874AS
TRANSISTOR(SI)
  
Q8
B1ADGE000004 TRANSISTOR(SI)
  
Q9
B1ADGE000004 TRANSISTOR(SI)
  
Q10
UNR92A6J0L
TRANSISTOR(SI)
  
Q24
UN9219J
TRANSISTOR(SI)
 S
Q25
UN9219J
TRANSISTOR(SI)
 S
Q421
2SC6054JSL
TRANSISTOR(SI)
  
(DIODES)
D3
B0EDER000009 DIODE(SI)  
 
D10
MA8033
DIODE(SI)  
S
D21
PQVDRLZ20A
DIODE(SI)  
S
DA801
B0DDCD000001 DIODE(SI)  
 
DA802
B0DDCD000001 DIODE(SI)  
 
(COILS)
L1
PQLQXF330K
COIL
 S
L2
PQLQXF330K
COIL
 S
L3
G1C220M00037 COIL
 S
L801
G1C27NJ00010 COIL
  
L802
G1C3N0ZA0063 COIL
  
L803
G1C3N0ZA0063 COIL
  
L804
G1C1N8Z00006 COIL
  
(RESISTOR ARRAYS)
RA1
D1H810240004 RESISTOR ARRAY
 S
RA402
D1H410320002 RESISTOR ARRAY
  
RA501
D1H810240004 RESISTOR ARRAY
 S
RA80
D1H422120001 RESISTOR ARRAY
  
(VARISTOR) 
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
87
KX-TG8521CAB/KX-TGA850RUB
SA1
J0LF00000026 VARISTOR (SURGE 
ABSORBER) 
  
(RESISTORS)
R3
PQ4R10XJ184 180k
 S
R4
PQ4R10XJ105 1M
 S
R5
PQ4R10XJ184 180k
 S
R6
PQ4R10XJ105 1M
 S
R8
ERJ3GEYJ104 100k
 S
R10
ERJ3GEYJ104 100k
 S
R12
ERJ2GEJ103
10k
 S
R13
ERJ2GEJ681
680
 S
R14
ERJ3GEYJ104 100k
 S
R15
PQ4R18XJ272 2.7k
 S
R16
ERJ2GEJ103
10k
 S
R17
ERJ2GEJ222
2.2k
 S
R18
ERJ2GEJ273X 27k
 S
R19
ERJ2GEJ822
8.2k
 S
R20
ERJ2GEJ272
2.7k
 S
R21
ERJ12YJ120
12
  
R22
ERJ12YJ270
27
  
R23
ERJ2GEJ104
100k
 S
R24
ERJ2GEJ473
47k
 S
R27
ERJ2GEJ104
100k
 S
R28
ERJ2GEJ474X 470k
 S
R29
ERJ2GE0R00
0
 S
R30
ERJ3GEYJ471 470
 S
R31
ERJ3GEYJ471 470
 S
R32
ERJ2GEJ823
82k
 S
R33
ERJ2GEJ102
1k
 S
R34
ERJ2GEJ823
82k
 S
R35
ERJ2GEJ102
1k
 S
R36
ERJ2GEJ124
120k
 S
R37
ERJ2GEJ392
3.9k
 S
R40
ERJ2GEJ271
270
 S
R42
PQ4R10XJ475 4.7M
 S
R43
PQ4R10XJ475 4.7M
 S
R55
ERJ1TYJ5R6U 5.6
  
R56
ERJ1TYJ5R6U 5.6
  
R57
ERJ6GEY0R00 0
R75
ERJ2GEJ101
100
 S
R76
ERJ2GEJ102
1k
 S
R77
ERJ2GEJ103
10k
 S
R81
ERJ2GEJ332
3.3k
 S
R86
ERJ3GEYJ1R5V 1.5
 S
R87
ERJ3GEYJ1R5V 1.5
 S
R91
ERJ2GEJ470
47
 S
R92
ERJ2GEJ121
120
 S
R93
ERJ2GEJ472X 4.7k
 S
R95
ERJ2GEJ681
680
 S
R106
ERJ2GEJ221
220
 S
R109
ERJ2GEJ221
220
 S
R116
ERJ2GE0R00
0
 S
R117
ERJ2GEJ332
3.3k
 S
R124
PQ4R18XJ100 10
 S
R129
ERJ2GEJ103
10k
 S
R130
ERJ2GEJ102
1k
 S
R132
ERJ2GEJ681
680
 S
R133
ERJ2GEJ152
1.5k
 S
R135
ERJ2GEJ103
10k
 S
R424
ERJ2GEJ103
10k
 S
R425
ERJ2GEJ274
270k
 S
R426
ERJ2GEJ561
560
 S
R427
ERJ2GEJ561
560
 S
R428
ERJ2GEJ561
560
 S
R429
ERJ2GEJ332
3.3k
 S
R430
ERJ2GEJ100
10
 S
R511
ERJ2GEJ102
1k
 S
R516
ERJ2GEJ102
1k
 S
R615
D0GA563ZA006 56k
  
R657
ERJ2GEJ103
10k
 S
R801
ERJ2GEJ223
22k
 S
R802
ERJ2GEJ121
120
 S
R803
ERJ2GEJ102
1k
 S
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
R804
ERJ2GEJ102
1k
 S
R805
ERJ2GEJ470
47
 S
R806
ERJ2GEJ221
220
 S
R807
ERJ2GEJ221
220
 S
(CAPACITORS)
C3
F1K2H681A008 680p
  
C4
F1K2H681A008 680p
  
C5
ECUV1C103KBV 0.01
  
C6
ECUV1C103KBV 0.01
  
C7
ECUV1C104KBV 0.1
  
C8
ECUV1C104KBV 0.1
  
C9
F1K2H681A008 680p
  
C10
F1K2H681A008 680p
  
C14
ECUE1A273KBQ 0.027
  
C19
ECUV1H122KBV 0.0012
  
C22
PQCUV1A105KB 1
  
C25
ECJ0EB1A473K 0.047
  
C27
F2A1H100B132 10
  
C28
PQCUV1H333JC 0.033
 S
C32
F2A1C1010119 100
  
C36
F2A1A3310040 330
  
C42
ECUV1C103KBV 0.01
  
C43
ECUV1C103KBV 0.01
  
C49
ECUE1H471KBQ 470p
  
C51
ECUE1A104KBQ 0.1
  
C52
ECUE1H821KBQ 820p
  
C53
ECUE1H821KBQ 820p
  
C54
ECUE1A333KBQ 0.033
  
C55
ECUE1A823KBQ 0.082
  
C56
ECUV1C104KBV 0.1
  
C60
ECUE1A104KBQ 0.1
  
C61
ECUE1A104KBQ 0.1
  
C65
ECUE1H100DCQ 10p
  
C72
ECUE1A104KBQ 0.1
  
C74
F1G1H100A723 10p  
 
C75
ECUE1A104KBQ 0.1
  
C84
ECUV1A225KB 2.2
  
C86
ECUV1A105KBV 1
  
C87
ECUE1A104KBQ 0.1
  
C88
ECUE1C103KBQ 0.01
  
C136
ECUE1H100DCQ 10p
  
C137
ECUE1H100DCQ 10p
  
C145
F1G1H100A723 10p  
 
C146
F1G1H100A723 10p  
 
C147
F1G1H100A723 10p  
 
C148
F1G1H100A723 10p  
 
C149
ECUE1H222KBQ 0.0022
  
C150
ECUE1H222KBQ 0.0022
  
C157
ECUE1H102KBQ 0.001
  
C168
F1G1H100A723 10p  
 
C169
F1G1H100A723 10p  
 
C170
F1G1H100A723 10p  
 
C171
F1G1H100A723 10p  
 
C305
ECUE0J105KBQ 1
  
C421
ECUE1C103KBQ 0.01
  
C422
ECUE1A104KBQ 0.1
  
C511
F1G1H100A723 10p  
 
C512
F1G1H100A723 10p  
 
C513
F1G1H100A723 10p  
 
C514
F1G1H100A723 10p  
 
C515
F1G1H100A723 10p  
 
C516
F1G1H100A723 10p  
 
C614
ECUV1A105KBV 1
  
C615
ECUV1A105KBV 1
  
C616
ECUV1A105KBV 1
  
C617
ECUV1A105KBV 1
  
C623
ECUV1H104ZFV 0.1
  
C624
ECUV1C105ZFV 1
  
C625
ECUV1A105KBV 1
  
C630
F1G1H100A723 10p  
 
C631
F1G1H100A723 10p  
 
C802
F1G1H1R8A480 1.8p
  
C803
F1G1H1R5A480 1.5p
  
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
88
KX-TG8521CAB/KX-TGA850RUB
15.5.1.3. Operational P.C.Board Parts
15.5.2. Handset
15.5.2.1. Cabinet and Electrical Parts
15.5.2.2. Main P.C.Board Parts
Note:
(*1) Reconfirm the model No. written on the handset’s name
plate when replacing PCB100. Because the model No. of
the optional handset may differ from the included handset.
(*2) When replacing IC3 or X1, make the adjustment
using PNZZTG8521CA. Refer to Handset (P.56) of Things
to Do after Replacing IC or X'tal
.
(*3) When removing E104, use special tools (ex. Hot air
disordering tool).
(*4) When replacing the handset LCD, See How to
Replace the Handset LCD
(P.47).
(*5) Backside of this IC has a ground plate. Refer to How to
Replace the LLP (Leadless Leadframe Package) IC
(P.61)
(*6) Supplied IC is Flat Package Type.
C804
F1G1H1R8A480 1.8p
  
C805
F1G1H3R3A480 3.3p
  
C806
F1G1H3R3A480 3.3p
  
C808
ECUE1A104KBQ 0.1
  
C809
F1G1H100A723 10p  
 
C810
F1G1H2R2A480 2.2p
  
C811
F1G1H100A723 10p  
 
C812
F1G1H100A723 10p  
 
C813
F1G1H2R2A480 2.2p
  
C814
ECUE1H332KBQ 0.0033
  
C819
F1G1H100A723 10p  
 
C820
F1G1HR50A480 0.5p
  
C822
F1G1H3R0A480 3p
  
C823
ECUE1H101JCQ 100p  
 
C825
F1G1H100A723 10p  
 
C826
F1G1H1R1A480 1.1p
  
C827
F1G1H100A723 10p  
 
C834
F1G1H1R0A480 1p
  
C851
F1G1H7R0A480 7p
  
C853
F1G1H7R0A480 7p
  
C855
F1G1H100A723 10p  
 
C856
ECUE1H101JCQ 100p
  
C857
F1G1H100A723 10p  
 
C858
ECUE1H101JCQ 100p  
 
C859
F1G1H100A723 10p  
 
C860
F1G1H3R0A480 3p
  
(OTHERS)
E1
PNMC1013Z
CASE, MAGNETIC 
SHIELD(*2)
  
E2
1SH1WHM10SH3 LEAD WIRE, PARALLEL 
WIRE
  
X1
H0J103500027 CRYSTAL OSCILLATOR (*1)     
F1
K5H302Y00003 FUSE
  
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
 PCB2
PNWP2G8521EH OPERATIONAL 
P.C.BOARD 
ASS'Y (RTL)
  
(LEDS)
LED902 LNJ237W82RA LED
 S
LED903 LNJ237W82RA LED
 S
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
 101
PNGP1101Z1
PANEL, 
LCD 
PMMA-HB
102
PNYE1031Z
TAPE, DOUBLE SIDED
103
PNGG1066Z1
GRILL,FRAME
ABS-HB
104
PNKM1143Z1
CABINET BODY
ABS-HB
105
PNHR1292Z
OPTIC CONDUCTIVE PARTS, 
LED LENS
PS-HB
106
L0AD01A00024 RECEIVER
107
PQHG10729Z
RUBBER PARTS, RECEIVER
108
PNYE1032Z
SPACER, LCD
109
PNBX1088Z1
PUSH BUTTON
ABS-HB
110
PNBC1316Z1
BUTTON, NAVIGATOR KEY 
ABS-HB
111
PNBC1301Z1
BUTTON, ENTER KEY (12 
KEYS)
ABS-HB
112
PNYT1016Y4
KEYBOARD SWITCH
113
PNJT1026Z
CHARGE TERMINAL(R)
114
PNJT1027Z
CHARGE TERMINAL(L)
115
PQHR11315Z
GUIDE, SPEAKER
ABS-HB
116
L0AA02A00095 SPEAKER
117
PQHS10784Y
SPACER, SPEAKER NET
118
PQJC10056W
BATTERY TERMINAL
119
PNKE1053Z1
COVER, EP CAP
120
PNKF1106Z1
CABINET COVER
ABS-HB
121
PNKE1059Z1
COVER, RUBBER GRIP                         
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
122
PNHS1079Z
SPACER, BATTERY
123
PNKK1038Z1
LID,BATTERY
ABS-HB
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
 
PCB100 PNWPGA850RUR MAIN P.C.BOARD ASS'Y  
(RTL) (*1)    
  
IC1
C2HBCY000052 IC (*5) (*6)                              
IC3
PNWIGA850EXR IC (EEPROM) (*2)
  
IC4
C0DBZYY00357 IC                               
(TRANSISTORS)
Q4
B1ADGE000004 TRANSISTOR(SI)                   
Q5
UN9219J
TRANSISTOR(SI)                  S
Q6
UN9219J
TRANSISTOR(SI)                  S
Q8
UN9219J
TRANSISTOR(SI)                  S
Q9
2SC6054JSL
TRANSISTOR(SI)                   
Q21
B1ADCF000161 TRANSISTOR(SI)                   
Q50
B1ADGE000004 TRANSISTOR(SI)                   
Q51
UN9219J
TRANSISTOR(SI)                  S
Q60
2SC6054JSL
TRANSISTOR(SI)                   
(DIODES)
D7
MA2ZD0200L
DIODE(SI)                         
D13
MA8043M
DIODE(SI)                        S
D14
MA8043M
DIODE(SI)                        S
D21
MA8043M
DIODE(SI)                        S
D22
MA8043M
DIODE(SI)                        S
D30
1SS355
DIODE(SI)                       S
DA801
B0DDCD000001 DIODE(SI)                         
(LEDS)
LED1
B3AEB0000146 LED
  
LED2
B3AEB0000146 LED
  
LED3
B3AEB0000146 LED
  
LED4
B3AEB0000146 LED
  
LED5
B3AEB0000146 LED
  
LED6
B3AEB0000146 LED
  
LED12
B3ACB0000216 LED
  
(COILS)
C812
PQLQR4C8N2J COIL                             S
F1
PQLQR2M5N6K COIL                             S
L6
G1C1R0MA0072 COIL                              
L13
G1CR18J00004 COIL                              
(RESISTOR ARRAYS)
RA2
EXB28V271JX RESISTOR ARRAY
  
RA3
D1H427120001 RESISTOR ARRAY
  
RA4
D1H433220001 RESISTOR ARRAY
  
RA5
EXB28V103
RESISTOR ARRAY
  
(IC FILTERS)
L3
J0JCC0000407 IC FILTER                         
L9
J0JCC0000287 IC FILTER                         
L29
J0JDC0000045 IC FILTER                         
L72
J0JCC0000276 IC FILTER                         
R308
J0JCC0000286 IC FILTER                         
(CONNECTORS)
Safety
Ref. 
No.
Part No.
Part Name & Description Remarks
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