Panasonic KX-TC1811B Service Manual ▷ View online
Ref.
No.
Part No.
Part Name & Description
Remarks
P3
PQPK13109Z
GIFT BOX
65
KX-TC1811B
22 FOR SCHEMATIC DIAGRAM
22.1. Base Unit (26 SCHEMATIC DIAGRAM (Base Unit))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
This schematic diagram may be modified at any time with the development of new technology.
22.2. Handset (28 SCHEMATIC DIAGRAM (Handset))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
66
KX-TC1811B
23 CIRCUIT BOARD (RF Unit)
R120
C114
R103
C112
R102
L106
C1
L1
L2
C3
C2
C137
C109
C120
R104
R137
R136
R117
R111
R110
R109
R128
R108
C122
R135
C133
R115
R133
C130
R134
L105
C110
R101
L104
L102
C136
L103
C108
C119
X101
C111
GND
GND
TX_ADPCMI
RX_ADPCMO
PCM_SYNC
PCM_BCLK
IRQ
OPEN
(MCU CLK)
(MCU CLK)
SPI_ALE
SPI_EN
GND
GND
SPI_CLKIN
SPI_DIN
SPI_DOUT
GND
VRF2
GND
GND
GND
PWRDIN
OPEN
(PCMCLK)
GND
VRF1
ANT
C107
C135
C117
R116
R114
R113
C134
C132
C131
C128
R131
C127
R130
C126
R129
C125
R107 R127
R105
VC101
R121
C124
C116
R122
IC101
C113
C121
C104
C106
T101
F102
C101
C102
C103
C105
C105
L107
C115
C118
GND
GND
OPEN
GND
67
KX-TC1811B
24 SCHEMATIC DIAGRAM (RF Unit)
TX
RX
IC101
24.1. MEMO
KX
-T
C181
1B
68
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