Schematic Diagram (Base Unit_Main) - Panasonic KX-TG3661JXM Service Manual

KX-TG3661JXM/KX-TG3662JXM/KX-TG3668JXM/KX-TG3669JXM/KX-TGA365JXM

14.2. Schematic Diagram (Base Unit_Main)

TEL JACK
F eeding
P1
TEL_T
C ircuit
600
LF1
TEL_R
DC48V
G
DG
DC+ F1 D1
32 3
DC-
DG
HAK_CL1
NC: No Components
R10 3.3M
R14
C5 680p
330k
D3
Q6
Q3
2 1
3 4
C4 680p
+5V
Q5
Q7
Q2
DG
D5
3 1
2
R16 2.2k
R21 1M
C20 R20 180k C137 1n
1.5n 250
C21 R23 180k C138 1n
1.5n 250
R24 1M
R5 3.3k
R6 NC
R7 NC
IC1
1 8
LINE1 LINE2
2 7
GND CR
C8
3 6
CSW NULL
56n 16
4 5
RA OUT
R4 18k
1
2
VL
R38 1.2k
Q9
C23
3p
R29 390
3p 50
C27
Q11
Q10
R22
470
BB3.0V
Q14
D9
2
3 1
Q8
Q16
DG
RX (S peaker )
DG
&
RX (H andset )
+5V
Q12
PC1
4 1
4
3 2
3
PC2
DG
DG
RINGERN
RINGERP
RINGER
BB3.0V
+5V
+5.0V
IC5
TK11150CSCL-G
1 VCONT 5
VIN
2 Q15
GND
NP
3 4
VOUT
R42 4.7k
DG
VRF
3 2
VRF
IN OUT1
4
OUT2
ADJ
1
IC4
DG
54
HOOK1
HOOK3
RX (S peaker )
&
RX (H andset )
Q21
+5V
HLDRST
D14
DG
D13 Q19
DCRCNT
DG
+5V
BB3.0V
R43 82k
Q13
C33 4.7u
L12
C53
DG
HSIN
16 10n R76
R58 12k C54 0.01u
DP
R135
DG
R136
C141 R137
3.3n
C142 R138
3.3n
C70
BELL
BB3.0V
IC14
I/O
5 1
VDD
2
O/I
MICCNT
4 VSS 3
CONT
VREF+
DG
CL17
R74
ACFL C58 330p
R61
C59 4.7u 1k
6.3
1k
R55 100
R56 100
C62
0.33u
DG
DG SPMUTE
BB3.0V R53
LREF
100k
I/O
5 1
VDD
2
O/I
R54
SPCNT
VSS
4 3
CONT
IC15
KEYTONE
(1)
BB3.0V
BB3.0V
BB1.8V
BB1.8V
(2)
(3)
(4)
R49 C38
(5)
10k 1u
2 1
(6)
22n L3
10k
LREF
(7)
100
(8)
100
(9)
(10)
(11)
(12)
(13)
4.7k
(14)
4.7k
R82
100n
25
100
BB1.8V
Q20
(15)
R70 100k
C60
R60
50 (16)
3p
10k
(17)
(18)
(19)
(20)
(21)
(22)
DG
(23)
C49 1u 10
(24)
C50 1u 10
(25)
R68
C51 33n
(26)
10
8.2k
22k R62 C56
(27)
470k 470p 50
(28)