Panasonic KX-TG9471CB, Руководство по обслуживанию

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19
KX-TG9471CB/KX-TG9472CB/KX-TGA939CB
RX_RF
TX_RF
TX _AF
RX-AF
Sp-phone (Portable)
CN4
Headset Jack
1
4
2
3
5
100k
R32
MIC-
MIC+
R100
NC
( )
K10p
C71
D10p
C83
K10p
C72
K10p
C73
C113
NC
( )
C128
NC
( ) C108
NC
( )
C82
K470p
K100n
C172
L72
10k
R40
BATTERY
GND
GND GND GND
R206
NC
( ) R207
NC
( )
R208 NC
( )
R209 NC
( )
R101
NC
( )
C111
NC
( )
C109
NC
( )
10k
R42
D3
NC
( )
2
1
D4
NC
( )
2
1
( )
D19
NC
( )
D20
NC
C75
NC
( ) C74
NC
( )
VREFm
VREFm1
GND GND GND
GND
VREFm
GND
IC3
64K
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
CP+2.5V
C76
NC
( ) C77
NC
( )
L73
NC
( )
R33
NC
( )
100k
R34
100
R306
VREFm1
C86
D10u
D21
D22
10
L74
K1n
C127
GND
VREFm1
VREFm
GND
GND
NC
R309
( )
NC
R310
( )
L9
VREFm1 VREFm1
VREFm1 VREFm1
K1n
C152
GND
D14
D13
GND
220
R807
47 R805
GND
GND
GND
GND
TXn
GND
2.4p
C804
PON
GND
ANT2
TXON
GND
GND
GND
1k
R803
7p
C832
220
R806
IC801
1
PSET
2
VCCS
3
PI
4
PIX
7
PSEL
8
POX
9
PO
10
VCC
11
GND
5
PRAMP
6
PAON
GND
RF_RXn
VDD_PADRV
220
R107
D801
PSEL
ANT1
GND
2.4p
C802
ANT1-TP
D802
GND
1k
R804
GND
TXp
RXON
GND
220
R108
RF_RXp
BATTERY
GND
GND
NC
C837
GND
GND
GND GND
K1u
C188
GND
MIC AP1
1
2
K100n
C33
K10p
C70
DA1
1 2
3
GND
GND
GND
GND
GND
GND GND
GND GND GND GND
GND GND GND GND
GND GND GND GND
GND GND
( )
R307
R308
0
L71
L3
NC
( )
1.8p
C840
K1n
C185
K1n
C110
L10
33
L11
33
1.2p
L804
D10p C118
D10p C125
D10p C117 D10p C124
D10p C809
D10p C811
D10p
C825
D10p
C819
C814
K3300p
J100p
C822
J100p
C187
J100p
C186
0
R106
0
R109
L805
0.5p
C820
50
2.2p
C826
C-Check1 C-Check2
K100n
C808
0.75p C834
0.5p
R802
1.8k
R801
1.2p
C815
GND
1.8p
L122
1.8p
C122
SPEAKER-
RECEVER-
ANT2-TP
GND
4.7k R41
3.3n
C812
1.8p
C803
1p
C813
2.2p
C807
2.7p
C810
VREFm
MICh
LSRp
LSRp
LSRn
MICp
MICn
HEADSET_DET
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(11)
(12)
(13)
(8)
KX-TGA939 SCHEMATIC DIAGRAM (Portable_Main)
NC: No Components