Panasonic KX-TGD320ALB Service Manual page 71

(1)
(2)
*R160
(3)
(4)
(5)
L101
(6)
27n
NL_CID
(7)
(8)
VCCA
+3.0V
+3.0V
VCCA
R501
(9)
10
VREF
C505
10u
MIN
22
VCCA
21
VREF
20
C506 1u
DCIN3/LIN1
19
DCIN2
18
DCIN1
17
DCIN0/LIN0
16
DOUBOUT
15
DOUBCAPP1
14
DOUBCAPP
13
1u
C504
IC501
DOUBCAPN
12
C521 1u
DOUBCAPN1
11
VBAT
10 C502 C501
COREOUT
9 0.1u
10u
VDDC2
8
GPIO[26]
7
GPIO[25]
6
GPIO[24]
5
GPIO[23]
4
GPIO[22]
3
GPIO[21]
2
GPIO[20]
1
+3.0V
(10)
(11)
(12)
(13)
(14)
(15)
+3.0V
RA611
0.1u 3.3k
C611
*IC611
128K EEPROM
1 A0 8
VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
Q161
VDDC
BELL
Supply from HS
*Q351
*Q352
L501
100n
PULSE_MUTE
HOOK
BELL
KEYS_E
KEYS_D
KEYS_C
UTX
1 4
URX
2 3
RA501 NC
R510 NC
KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KX-TGDA30AZB
*Q141
R141
100k
*Q140
*R149
680
*Q144
*R154
NC
NC
DC Monitor
Caller ID
R121 390k C121 680p
R122 390k C122 680p
+3.0V
R114
Bell Detection
68k C110
Q111
C112
10k
3.0V
VBAT
VBAT
*D901
KX-TGD320AL SCHEMATIC DIAGRAM (Base Unit (Main))
71
C101 680p
D101
1 2
4 3
C102 680p
P101
1
GAP
2
R115
5.6M
R116
5.6M
REFERENCE
1XX : TEL LINE
3XX : POWER, CHARGE
4XX : MIC, SP
5XX : BBIC
6XX : FLASH, EEPROM, KEY, LCD
7XX : FOR DK/BT
8XX : RF
0.1u R111
1M
0.1u +5.5V
R112 +5.5V
47k
+5.5V
IC302
2 3
OUT1 IN
4
OUT2
ADJ
1
10 9 8 7
11 6
1 2 5
HAK_CL1
ZA1
1 2 3 4
NC: No Components
L1T
L2T
L1R
L2R
!
F301 DCP
3A
DCM
CHG+
CHARGE+
CHARGE-