Panasonic KX-TG8521CAB / KX-TGA850RUB Service Manual ▷ View online
65
KX-TG8521CAB/KX-TGA850RUB
12.4. Terminal Guide of the ICs, Transistors, Diodes and Electrolytic
Capacitors
12.4.1. Base Unit
12.4.2. Handset
C
B
E
PQVTBF822T7, B1ADGE000004
B1ABCE000009, UN9219J, UNR92A6J0L,
2SC6054JSL
B0EDER000009
Anode
Cathode
B0DDCD000001
LNJ237W82RA
8
5
4
1
PNWITG6521EH
C3FBMY000195
C3FBMY000195
10
6
5
1
C1CB00001842
PQVDRLZ20A
MA8033
MA8033
Cathode
Anode
B1ACGP000007
E
C
B
2SD0874AS
B
C
E
1
3
2
5
4
B1ZBZ0000065
C0DBAGZ00026
Cathode
Anode
F2A1H100B132
F2A1C1010119
F2A1A3310040
F2A1C1010119
F2A1A3310040
C1CB00002906
(Reverse View)
1
20
21
40
41
60
61
80
C
B
E
1
3
2
4
5
6
1
4
8
5
PNWIGA850EXR
Anode
Cathode
MA2ZD0200L
1SS355
1SS355
C0DBZYY00357
B1ADGE000004
UN9219J
2SC6054JSL
B1ADCF000161
UN9219J
2SC6054JSL
B1ADCF000161
MA8043M
Anode
Cathode
Anode
Cathode
B0DDCD000001
C2HBCY000052
1
88
67
23
44
22
66
45
(Reverse View)
(Reverse View)
Anode
Cathode
B3ACB0000216
(Reverse View)
Anode
Cathode
B3AEB0000146
66
KX-TG8521CAB/KX-TGA850RUB
13 Schematic Diagram
13.1. For Schematic Diagram
13.1.1. Base Unit (Schematic Diagram (Base Unit))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagrams may be modified at any time with the development of new technology.
13.1.2. Handset (Schematic Diagram (Handset))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagram may be modified at any time with the development of new technology.
2. The schematic diagram may be modified at any time with the development of new technology.
13.1.3. Charger Unit (Schematic Diagram (Charger Unit))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagram may be modified at any time with the development of new technology.
67
KX-TG8521CAB/KX-TGA850RUB
Memo
68
KX-TG8521CAB/KX-TGA850RUB
13.2. Schematic Diagram (Base Unit)
IC801
*IC421
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(8)
(9)
NC: No Components
3.0V
2.5V
Beep
Bell Signal
Bell Signal
TX _RF
TX _RF
RX _RF
SDA2
SCL2
TAM_CSn
SPI_CLK
TAM_WP
KEY0
KEY1
ROW1
ROW2
KEY2
CHARGE
TAM_WP
SPI_DI
SPI_DO
SPI_DO
SPI_DO
TAM_CSn
SPI_DI
SPI_CLK
Low_Rad
ROW0
ROW0
ROW0
TAM_WP
ROW2
KEY0
KEY1
ROW1
KEY2
LED1
LED2
eco_mode
GND
SPm
SPp
GND
GND
GND
GND
+3.0V
R75
100
UTX
URX
GND
ANT_1
ANT2
C854
NC
ANT1
GND
GND
ANT_2
GND
C850
NC
GND
GND
R76
1k
ANT1_TP
ANT2_TP
GND
GND
GND
C616
1u
GND
+3.0V
GND
*CN5
AP1
PARALLEL WIRE
GND
GND
+2.5_CP
C625
1u
CL1
CL2
GND
GND
C808
100n
GND
GND
GND
PON
R804
1k
RF_RXp
RF_RXn
GND
GND
GND
TXp
GND
R806
220
GND
TXn
GND
PSEL
C814
3.3n
VDD_PADRV
TXON
R803
1k
GND
1
PSET
2
VCCS
3
PI
4
PIX
7 PSEL
8 POX
9 PO
10 VCC
11
GND
5
PRAMP
6 PAON
GND
GND
GND
RXON
R807
220
GND
R805
47
GND
GND
GND
VDD5
GND
GND
R135
10k
GND
R430
10
GND
GND
C856
100p
C858
100p
GND
GND
C60
100n 10
CKM
GND_C
Q24
GND
+1.8V
C837
NC
CN5-10
CN5-9
CN5-8
CN5-7
CN5-6
CN5-5
CN5-4
CN5-3
CN5-2
CN5-1
C803
1.5p
L801
27n
DA802
1
2
3
DA801
1
2
3
C804
1.8p
C802
1.8p
Shield
12
3
4
5
6
L802
3n
L803
3n
C805
3.3p
C806
3.3p
VDD4
C163
NC
GND
GND
JTAG
C860
3p
GND
GND
*R86
1.5
*R87
1.5
RA80
220
1
2
3
4
4
*C149
2.2n
*C150
2.2n
C823
100p
GND
*C501
NC
*SW1
1
2
R808
NC
URX2
UTX2
GND2
GND
GND
C423
NC
*RA501
1k
1
2
3
4
5
6
7
8
6
7
8
*R516
1k
*R511
1k
C851
7p
C853
7p
GND
Q25
R801
22k
R133
1.5k
C811
10p
C855
10p
C809
10p
C819
10p
C812
10p
C827
10p
C825
10p
C857
10p
*C516
10p
*C515
10p
*C513
10p
*C514
10p
*C511
10p
*C512
10p
C517
NC
C519
NC
C518
NC
C520
NC
C631 10p
*C146
10p
C859
10p
10p
C521
NC
C861
NC
C522
NC
C630 10p
*C145
10p
C810
2.2p
C813
2.2p
*R802
120
*C834
1p
*L804
1.8n
GND
*C862
NC
C820
0.5p
C822
3p
1 *CE
2 SO
3 *WP
4 VSS
2 SO
3 *WP
4 VSS
5
SI
6
SCK
7
*HOLD
8
VDD
*C421
10n
*C422
100n
*C826
1.1p
*Q421
*R132
680
*R424
10k
*R425
270k
*R426
560
*R427
560
*R428
560
*R429
3.3k
for TG8511
CP_OUT1=3.0V
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