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  • KX-TG7227UAJ, KX-TG7227UAM, KX-TG7227UAS, KX-TG7227UAT, KX-TG7228UAS, KX-TG7228UAT, KX-TGA721RUM, KX-TGA721RUS, KX-TGA721RUT, KX-TGA721UAJ, KX-TGA721UAM, KX-TGA721UAS, KX-TGA721UAT

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Model
KX-TG7227UAJ KX-TG7227UAM KX-TG7227UAS KX-TG7227UAT KX-TG7228UAS KX-TG7228UAT KX-TGA721RUM KX-TGA721RUS KX-TGA721RUT KX-TGA721UAJ KX-TGA721UAM KX-TGA721UAS KX-TGA721UAT
Pages
101
Size
2.84 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS ANSWERING SYSTEM
File
kx-tg7227uaj-kx-tg7227uam-kx-tg7227uas-kx-tg7227ua.pdf
Date
PREV: Panasonic KX-TG7225RUJ / KX-TG7225RUM / KX-TG7225RUS / KX-TG7225RUT / KX-TG7226RUS / KX-TG7226RUT / KX-TGA721RUJ / KX-TGA721RUM / KX-TGA721RUS / KX-TGA721RUT (serv.man2) Service Manual / Supplement

Panasonic KX-TG7227UAJ / KX-TG7227UAM / KX-TG7227UAS / KX-TG7227UAT / KX-TG7228UAS / KX-TG7228UAT / KX-TGA721RUM / KX-TGA721RUS / KX-TGA721RUT / KX-TGA721UAJ / KX-TGA721UAM / KX-TGA721UAS / KX-TGA721UAT Service Manual ▷ View online

81
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
13.2. Circuit Board (Base Unit_Operation)
13.2.1. Flow Solder Side View
KX-TG103
H
REPEAT
ERASE
LOCATOR
1
10
PQUP11503Z
VOL_DOWN
VOL_UP
A
STOP
PLAY
CN10
SKIP
ANS_ON
LED2
LED1
GND
LED1
LED2
VDD
PbF
KX-TG7227/7228 CIRCUIT BOARD (Base Unit_Operation (Flow Solder Side View))
82
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
Memo
83
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
13.3. Circuit Board (Handset)
13.3.1. Component View
L4
L4
R45
L8
D7
R6
R5
C113
C130
C23 C131
F1
TP20
TP22
TP23
TP21
D8
MIC
J3
CHARGE+
CHARGE-
J1
C15
R7
R12
R122
C38
C21
R11
R124
J2
J4
C114
C73
C75
C35
C74
R21
C19
1
21
C24
C20
L6
C26 C39
C22
C5
C10
C9
C4
C133
C8
C18
R66
R2
C99 C111
C112
C70
C71
C129
C122
C121
R115
R113
R114
R112
C128
C57
C58
C62
C120
C125
C59
1
32
27
26
17
10
C61
C56
C54
C55
C50
R53
R107
R52
C52
R106
C53
C51
C101
C3
R63
C37
18
45
R42
C98
RA2
RA3
R1
JT
A
G
GND
VDD1
VDD2
L1
VDD3
PO
WER
BA
T
C119
C118
C25
R22
R46
RA1
RA5
R111
Q5
Q9
Q4
Q7
C30
C11
C12
R25
R15
R24
R23
R123
R14
R19
X1
R13
R61
R62
R47
C36
C34
C6
C7
C27
UTX
URX
CLK
CLK_G
Q3
E
E
S
Q2
Q1
SP_TEST1
REV_TEST2
ANT1
ANT
REV_TEST1
SP_TEST2
D1
IC1
IC3
IC4
C1
C2
PQUP11526Z
KX-TGA721
A
PbF
MIC+
MIC-
BA
TT+
BA
TT
-
RESET
(IC1:
 53pin)
UTX
CLK
URX
UTX
GND
PO
WER KEY
REV
-
REV+
BA
T
ANT
GND
VDD2
VDD1
VDD3
SP-
SP+
(10.368 MHz)
(2.5 V)
(1.8 V)
(3.3 V)
for JIG
KX-TGA721
 CIRCUIT BOARD  (
Handset
(
Component
 View))
84
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
13.3.2. Flow Solder Side View
R
AST
LED4
LED5
LED8
LED6
LED7
08
9
7
41
SP
T
ALK
LED3
C49
C48
R93
C42
CN3
CLK
FCT
RF
EEP
DL
R121
R120
R95
LED2
LED1
SOFT_A
SOFT_B
SOFT_C
S1
CANCEL
DO
WN
LEFT
UP
RIGHT
5
6
2
3
SHAPP
INT
MIC
LED9
C40
C41
C43
C44
C45
C46
C47
R94
PQUP11526Z
A
PbF
KX-TGA721
 CIRCUIT BOARD  (
Handset
(Flow Solder Side View))
Page of 101
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