Schematic Diagram - Panasonic KX-T7665AL Service Manual

KX-T7665AL / KX-T7665X

17 SCHEMATIC DIAGRAM

JK3
MIC
1
2
SP 3
4
TO LCD
C600
CN5
Z0.1
D5V 2
V0 3
GND 1
LCD_RS
RS 4
LCD_W
R/W 5
LCD_E
E 6
LCD_D4
D4 7
LCD_D5
D5 8
LCD_D6
D6 9
LCD_D7
D7 10
(5)
F1
CO7
SW1
E1
CO8
SW2
E2
MES
SW3
E3
V/DWN
SW4
E4
A3V
R500
1K
R501
2.2K
MIC1
L51
C500
2200P
SP1
L52 Q51
R527
C525
C501
10
Z10
1000P
AG1 C503
AG
NC
AG
SPP
CN1
1
2
SPN
R505
1K
R506
2.2K
MIC2
CN2
1
C505
2
NC
AG2
AG
R600
8.2K
SCLK
DATA
DG
D3V
C604
5
Z0.1
D3V
3
DG
D61
D5V
IC8
C603
4
D62 Z0.1
D63
C601
Z0.1
DG DG
F2
F3 F4 F5 F6
CO6 CO5 CO4 CO3 CO2
SW17 SW21
SW5 SW9 SW13
PRO TRANS 3 6 9
SW6 SW10 SW14 SW18 SW22
AT/ST AT/MT 2 5 8
SW7 SW11 SW15 SW19 SW23
V/UP INCOM 1 4 7
SW8 SW12 SW16 SW20 SW24
R522
Q52 E
120K
B
C
C508
C527
19
K0.1
K0.1
HANDT3
C526
R523
Z10
20
HANDT1
47K
C502
R502
K0.1
10K
21
AG
HANDT2
C507
R507
A3V
1500P 56K
C
R508
C510 26
B
HANDR
C504
R504
8.2K K0.022
E
10K K0.01 25
HANDI
C511
K0.1
24
DAOUT
R503
C512
1K
K0.01
R509
33K
AG 27
RAI
C509 R510
28
47K
1500P
RAO
C513
29
K0.1
SPI
4 SPOP
3
SPON
A3V
C515
K0.1 18
MIC3
17
C524 MIC1
C514
Z10
180P
16
AG
MIC2
R512
C506 R511
270K
K0.033 22K
R603
D3V D3V
8.2K
G1
R610
NC
R611
47K
DG
DG DG
1 X1
2 X2
3 Vss
C607
Z0.1 4 OSC2
5 OSC1
6 TEST
7 Vcc
C606
DG
8 RES
Z0.1
CSN DG
9 P20
10 SCK
SP_CSN
11 SI1
12 SO1
13 P24
(1)
14 P25
R604
15 P26
18K
16 P27
DG
1
IC8
DG
2
F8
F7
CO1 SP
SW25 SW29 KOUT[0]
# FLASH
KOUT[1]
SW26 SW30
0 HOLD
KOUT[2]
SW27 SW31
* REDIAL
KOUT[3]
SW28 SW32
KIN[0]
KIN[1]
KIN[2]
KIN[3]
KIN[4]
KIN[5]
KIN[6]
KIN[7]
32
C528
IC4
A3V Z0.01
AVDD 15
AG DG
C516
AVSS 2 Z1
Between IC3 and IC4
2125
AG
A3V
D3V
DVDD 5
(7)
C517
DVSS 6
Z0.1
AG
R514
DX 8
R513
DR 10 0
0
BCLK 9
FS 7
PLLCAP 1
C518
Z1
SCLK
VREF 22
C519
DATA
Z1
RAGND 23
SP_CSN
C520
Z1
AG
DATA 11
DATA
SCLK 12
SCLK
CSN 13
CSN
TEST 14
AG
TONE 30
C521
K0.1
C608
1 A0
NC
2 A1
AG
R606
3 A2
R605 4.7K
AG
4 GND
6.8K
DG
48
P74
47
P73
46
P72
45
P71
44
P70
43
P67
42
P66
IC6 41
P65
40
P64
39
P63
38
P62
37
P61
36
P60
35
P57
34
P56
33
P55
KX-T7665AL / KX-T7665X : MAIN BOARD (1/2)
IC3
D3V
VDD 7
C522
Z1
VSS 8
DG (1)
4 TOUT 6
TIN
(2)
R518 1K
5 RIN 3
ROUT
(3)
1
BCLK
2
FS
(6)
TEST2 12
C523
Z0.1
DG
RST 16
13 TxON 10
SCLK
DG
RxON 9
11
DATA
14 TEST1 15
CSN
DG
(4)
(5)
D3V
IC5
8
Vcc
7
WP
6 DG
SCL
5
SDA DG
R608
180
R609
180
ADR5
ADR4
ADR3
ADR2
ADR1
ADR0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
KIN[7]
KIN[6]
KIN[5]
(6)
(7)
(8)
(9)
D3V
3 NC Vin 2
4 Vout 1
Vss
(10)
DG
IC7