Read Panasonic KX-TS2570RUB / KX-TS2570RUW Service Manual online
7
KX-TS2570RUB/KX-TS2570RUW
4 Technical Descriptions
4.1.
Block Diagram (Base Unit)
KX-TS2570 BLOCK DIAGRAM
T
1
D3, D5
C1
PC1
R1
IC1
D4, D6
Speaker
Q
103, Q
104
D7, D9
T
2AP
R
Q4
0
1
D8
, D1
0
M
IC
D
306
D
304
IC
304
Q
701
Q
702
6.5V
DC Po
w
e
r
IC
903
IC
902
IC
303, Q
301
LC
D
IC
305
H
andset / H
eadset
MIC
SP
IC
904
Q
402
Q
108
Ri
nger i
ndi
c
a
ti
on LE
D
LE
D 804 (1A
P
- S
U
B
)
IC
901
DSP M
ICON
NS
BBI
C
JOHN SMITH
1234567890
Key
boar
d
Sw
itc
h
RINGER
IC
BELL
Line
O
N
/O
FF
H
andset
Sending
Am
p
H
eadset
D
e
tection
FLA
S
H
ME
MO
R
Y
CIDI
N+
CIDI
N -
V
SP-Phone
Am
p
MI
C -
LS
R +
Headset
DE
T
MI
C +
LS
R -
LI
N
E
I
N
-
L
INE
OUT
Sidetone
Bridge
R
eg.
1.8V
R
eg.
3.2V
RS
T
n
VDD,
A
V
D
VDDI
O
VBA
T
2
Reset IC
R
egulator
4.0V
R
egulator
4.0V
ACFL
Pow
er Dow
n
D
e
tection
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