Read Panasonic KX-TC1215RUB Service Manual online
34 SCHEMATIC DIAGRAM (HANDSET)
1M
R902
ANT
ANTENA
R809
15K
C850
Z0.1
R825
22K
C817
6.3V10
C825
J68P
R818
0
VD901
OSC
REF
DRIVEWR
IC901
1
2
3
4
5
6
R812
33K
C806
K4700P
C801
J120P
R830
330
C812
K0.1
R805
47K
R907
470
470
R821
0
DUP802
NC
3
VDD
4
OUT
1
IN
2
GND
CF802
C808 K0.047
C809
K0.1
R806
39K
DTCOUT
R802
18K
C827
K0.1
C802
J120P
C828 G39P
C803
K0.1
R807
5.6K
CF801
10.7MHz
C837
K4700P
C908
J22P
R819
680K
680K
C811
K0.01
K0.01
R804
0
K0.01
C846
IFOUT
C853
J68P
C807
K0.1
C822
J22P
X801
RXGND
C848
Z0.1
C849
K0.01
C851
Z0.1
SIGOUT
C814
K4700P
TXVCO
R908
330
C823
K0.1
C854
K0.1
C824
K2200P
C815
Z0.1
T901
1
2
3
4
5
6
7
J27P
C905
RXVCO
R912
2.2
C852
Z0.1
T802
NC
1
2
3
4
5
6
7
C833
K0.01
C810
K0.1
C830
Z0.1
C804
K470P
C819
K0.1
R801
390K
T801
1
2
3
4
5
6
7
C829 G27P
R824
0
IFGND
NDTC
R828
0
R8080
C813
Z0.1
R811
10K
SP3
SP4
R817
10K
VOL802
5K
R816
560
C818
K0.1
R814
3.3K
MIC
C816
K0.01
PDOWN
R603
2.2K
PSA
VE
C836
J22P
R823
10K
C834
K0.1
R822
12K
C832
Z1.0
L801
1.2uH
JP801
0
C838
0
DUP801
2
GND
3
VDD
4
GND
1
IN
5
GND
6
OUT
C845
0
RFRX
R827
68
C843
Z0.1
C842
6.3V10
DUP901
2
GND
3
VDD
4
GND
1
OUT
5
IN
6
VDD
Q902
TXPOWER
TXGND
C913
Z0.1
C912
K0.01
K0.01
Q901
C855
6.3V10
JP807
0
R815
220
C820
6.3V10
JP804
0
SP1
SP2
MIC1
MIC2
EXPANDER
MCU
MIC
MUTE
MUTE
10 Bit
programmable
programmable
counter
BATTLOW
14 Bit
programmable
programmable
counter
BREF
SQ
VSS
1st LOCAL
TX PD
PLL REG
OSCILLATOR
1st MIX
LD(TX/RX)
2nd
MIX
MIX
LD(RX)
DATA
AMP
AMP
RX PD
8
14 Bit
programmable
programmable
counter
IF
LD(TX)
CLK
DATA
EN
LIMITTER
Vcc2
GND2
FinTX
SIG OUT
X TAL OSC
C DET
VcapRX
POWER
DOWN
DOWN
ZAP
GND1
VCC1
TX DET
TX DET
NC
NC
DET
E DET
HALF MUTE
PE(GND)
GND3
POWER SAVE
SQ OUT
BATT LOW DET
RX D
A
T
A
OUT
NOISE DET
TO SQ OUT
FILTER
PREAMP
RXMUTE
VOLUME
CONTROL
CONTROL
SPEAKER
AMP(BTL)
AMP(BTL)
MICAMP
COMP
SPLATTER
FILTER
FILTER
H:2.4V
L:3.6V
L:3.6V
0.5dB
IC801
1
2
3
4
5
6
7
8
9
10 11 12 13 14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
K0.01
C909
J47P
C906
K0.018
C904
K0.1
C902
K0.022
C903
K0.01
C915
K0.01
C910
K0.01
C907
2.2K
R906
10
R911
22
R910
68K
R820
47K
R905
68K
R903
0
R901
47K
R904
C826
NC
C821
NC
C839
NC
C847
NC
NC
C914
C805
NC
C840
NC
C844
NC
C831
NC
C841
NC
NC
C901
C835
NC
D803
NC
D802
NC
D801
NC
L803
2.2uH
L802
NC
R803
22K
JP803
0
JP805
0
JP806
NC
NC
R913
R810
NC
R829
NC
R826
NC
NC
JP802
VOL801
100K
VOL901
NC
R909
2.2K
NC
C911
SIG_IN
PLL_DATA
PLL_CLK
RF_PWR_CONT
PLL_EN
PWR_SAVE
TX_PWR
TX_D
A
T
A
SPEAKER
AP2
44.2MHz
60dBuVemf
1kHz/3kHz MOD
60dBuVemf
1kHz/3kHz MOD
RXRF=-4.3dBm
TXRF=-46.6dBm
TXRF=-46.6dBm
RXRF=-75.8dBm
RXRF=-41.6dBm
RXRF=-46.2dBm
RXRF=-27.2dBm
RXRF=-50.7dBm
44.2MHz
44.2MHz
RXRF=-28.5dBm
RXAF=-18.0dBm
RXAF=-22.1dBm
RXAF=-16.3dBm
10.7MHz
RXAF=-28.5dBm
49.97MHz
1kHz
1kHz
455kHz
TXRF=6.2dBm
49.97MHz
49.97MHz
TXRF=7.1dBm
49.97MHz
49.97MHz
TXRF=-8.9dBm
-40dBm
1kHz
1kHz
TXRF=10.6dBm
TXAF=-14.4dBm
1kHz
1kHz
TXAF=-58.1dBm
1kHz
1kHz
RX DATA
500Hz/1kHz
3.5V
500Hz/1kHz
3.5V
RXAF=-25.9dBm
!
(1)
(2)
(3)
(4)
(5)
(6)
(7)
RADIATION POWER
RX-SENSITIVITY
RX-SENSITIVITY
TERMINAL RX-SENSITIVITY
-21dBm/VOL-M
5.5KHzdev
0dBuVemf
1.1V
1.5V
DATA
TX-VCO
RX-VCO
TX-POWER
MIC-MOD
RX-VCO
TX-POWER
MIC-MOD
SP-OUT
DATA-MOD
ITEM
CONDITION
-50dBm / 1KHz
3KHzdev / 1KHz , 60dB
NC
NC
NC
NC
NC
NC
NORMAL
TALK
CHARGE
CONSUMPUTION
3m
3m
NOISE-SQ
BAT-LOW
11dBm
2.0KHzdev
2.0KHzdev
30mA
SET SPEC(10CH)
76
KX-TC1215RUB
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