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Model
KX-TG8021UAC KX-TG8021UAS KX-TG8021UAT KX-TGA800RUC KX-TGA800RUS KX-TGA800RUT
Pages
103
Size
2.47 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS ANSWERING SYSTEM
File
kx-tg8021uac-kx-tg8021uas-kx-tg8021uat-kx-tga800ru.pdf
Date
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Panasonic KX-TG8021UAC / KX-TG8021UAS / KX-TG8021UAT / KX-TGA800RUC / KX-TGA800RUS / KX-TGA800RUT Service Manual ▷ View online

89
KX-TG8021UA/KX-TGA800RU
14.2. Circuit Board (Base Unit_Operation)
14.2.1. Component View 
KX-TG8021 CIRCUIT BOARD (Base Unit_Operation (Component View))
A
CN10
1
10
PbF
PQUP11539Z
KX-TG7321
TG8021
90
KX-TG8021UA/KX-TGA800RU
14.2.2. Bottom View
KX-TG8021 CIRCUIT BOARD (Base Unit_Operation (Bottom View))
A
VOL_DOWN
CN10
1
10
SKIP
PLAY
VOL_UP
LED1
LED2
LOCATOR
ANS_ON
STOP
ERASE
REPEAT
PbF
PQUP11539Z
KX-TG7321
TG8021
91
KX-TG8021UA/KX-TGA800RU
14.3. Circuit Board (Handset)
14.3.1. Component View
C38
POWER
C332
X_CLK
CP4.0V
CP2.5V
C2
C1
C70
C7
C11
C13
C187
C186
C837
C827
C802
C804
C117
C811
C814
C29
C183
C182
C46 C45 C44
C808
C50
C43
C48
C47
C832
C40
C52
C834
C813
R330
R42
R41
R40
1
4
5
8
RECEIVER
1.8V
ANT1
SOLDER
ANT1
SOLDER
R27
ANT_TP
R803
R71
R206
R807
60
41
20
1
40
21
61
80
R203
R66
R804
R805
R801
JTAG
L15
L802
L801
IC1
IC3
RA4
X1
D1
Q7
Q11
Q12
E
E
Q2
C113
MIC+
MIC-
CHG (+) CHG (-)
C74
C75
C150
UTX URX
BAT
BATT+
BATT-
GND
D4
D3
C147
C331
C-TP1
C-TP2
C39
R
20
C172
SP-PHONE_SPEAKER
C73
C72
C140
C71
C188
C12
C809
C819
C810
C822
C97
C96
C820
C826
C803
C812
C833
C825
C53
C51
C138
C124
C49
R2
R7
R6
R30
R45
R309
R321
R320
R310
F1
R8
E
R300 R301 R304 R302 R305 R303
R248
R249
R331
R332
R23
R207
R28
R802
R806
R63
R64
R107
R108
L5
L4
L14
L804
L803
IC801
RA61
D7
D8
D4
D3
D14
D13
D21
D22
D802
D801
DA1
Q9
Q4
B
KX-TGA800 CIRCUIT BOARD (Handset_Main (Component View))
KX-TGA800EX
PbF
PNLB1040Z
GND
ANT
1.8V
POWER KEY
MIC+
MIC-
UTX
URX
BAT
BATT+
BATT-
CP 4.0V
SP-
SP+
CP 2.5V
X_CLK
(10.368MHz)
 for JIG
GND
REV-
RESET
(IC1:  pin 61)
REV+
92
KX-TG8021UA/KX-TGA800RU
14.3.2. Bottom View
MIC
LED4
LED7
LED9
LED12
W_LED-
W_LED+
R235 R234 R233
R238
R53
R50
R51
R109
R54
R55
C105
C106
C107
C103
CN3
E
20
1
R52
R16
R15
R17
R18
R19
C27
Q10
C28
C114
C104
LED5
SOFT_A
SOFT_B
SOFT_C
TALK
UP
S1
LEFT
RIGHT
SP
1
2
3
4
5
6
7
8
0
9
#
INT
B
R.
DOWN
CANCEL
LED8
LED6
KX-TGA800 CIRCUIT BOARD (Handset_Main (Bottom  View))
KX-TGA800EX
PbF
PNLB1040Z
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