Panasonic KX-T7665NE Service Manual page 40

JK3
MIC1
MIC
1
C500
2200P
2
SP1
SP
3
C501
1000P
4
AG1
SPP
CN1
1
2
SPN
MIC2
CN2
1
2
AG2
TO LCD
C600
CN5
Z0.1
D5V 2
R600
V0 3
8.2K
GND 1
LCD_RS
RS 4
LCD_W
R/W 5
LCD_E
E 6
DG
LCD_D4
D4 7
LCD_D5
D5 8
LCD_D6
D6 9
LCD_D7
D7 10
(5)
D5V
D63
C601
Z0.1
DG DG
F2
F1 F3
CO7 CO6 CO5
SW1 SW5 SW9
E1
CO8 PRO TRANS
SW2 SW6 SW10
E2
MES AT/ST AT/MT
SW3 SW7 SW11
E3
V/DWN V/UP INCOM
SW4 SW8 SW12
E4
R522
120K
A3V
R500
1K
C526
Z10
R501
2.2K
C502
R502
L51 K0.1
AG
A3V
C
B
L52 Q51
R527
C525
C504
R504
E
10K K0.01
10
Z10
C503 R503
AG
1K
NC
AG AG
A3V
R505
1K
R506
C524
2.2K
Z10
AG
C505
C506
NC
K0.033
AG
D3V D3V
DG
DG
CSN
SCLK
SP_CSN
DATA
R604
18K
D3V
C604
5
1
Z0.1
D3V
IC8
3
DG
D61
IC8
C603
4 2
Z0.1
D62
F8
F4 F5 F6 F7
CO4 CO3 CO2 CO1 SP
SW13 SW17 SW21 SW25 SW29
3 6 9 # FLASH
SW14 SW18 SW22 SW26 SW30
2 5 8 0 HOLD
SW15 SW19 SW23 SW27 SW31
1 4 7 * REDIAL
SW16 SW20 SW24 SW28 SW32
Q52 E
B
C IC4
C508
C527
19
K0.1
AVDD 15
K0.1
HANDT3
R523
20
AVSS 2
HANDT1
47K
10K
21
HANDT2
C507
R507 DVDD 5
1500P 56K
DVSS 6
R508
C510 26
HANDR
8.2K K0.022
25
HANDI
DX 8
C511
K0.1
24
DAOUT DR 10
C512
BCLK 9
K0.01
R509
FS 7
33K
27
RAI
C509 R510
28
47K PLLCAP 1
1500P
RAO
C513
29
K0.1
SPI
VREF 22
4 SPOP
RAGND 23
3
SPON
DATA 11
SCLK 12
C515
K0.1
18 CSN 13
MIC3
TEST 14
17
MIC1
C514
180P
16
TONE 30
MIC2
R512
R511
270K
22K
C608
NC
R606
R605 4.7K
6.8K
R603
8.2K
G1
R610
NC
R611
47K
DG DG
1 X1
2 X2
3 Vss
C607
Z0.1 4 OSC2
5 OSC1
6 TEST
7 Vcc
C606
8 RES
Z0.1
DG
9 P20
10 SCK
11 SI1
12 SO1
13 P24
(1)
14 P25
15 P26
16 P27
DG
DG
KOUT[0]
KOUT[1]
KOUT[2]
KOUT[3]
KIN[0]
KIN[1]
KIN[2]
KIN[3]
KIN[4]
KIN[5]
KIN[6]
KX-T7665NE / KX-T7665NE-B : MAIN BOARD (1/2)
KIN[7]
C528
A3V Z0.01
AG DG
C516
Z1
Between IC3 and IC4
2125
AG
A3V
D3V
(7)
C517
Z0.1
AG
R514
4
TIN
R513
0
5
ROUT
0
1
BCLK
2
FS
C518
Z1
SCLK
13
SCLK
C519
DATA
11 DATA
Z1
SP_CSN
14
CSN
C520
Z1
AG
DATA
SCLK
CSN
AG
C521
K0.1
IC5
1 A0
Vcc
2 A1
AG
WP
3 A2
SCL
AG
4 GND
SDA
DG
R608
180
R609
180
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
KIN[7]
35
P57
KIN[6]
34
P56
KIN[5]
33
P55
IC3
D3V
VDD 7
C522
Z1
VSS 8
DG (1)
TOUT 6
(2)
R518 1K
RIN 3
(3)
(6)
TEST2 12
C523
Z0.1
DG
RST 16
TxON 10
DG
RxON 9
TEST1 15
DG
(4)
(5)
D3V
8
7
6
DG
5
DG
ADR5
ADR4
ADR3
ADR2
ADR1
ADR0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
(6)
(7)
(8)
(9)
D3V
3 Vin 2
NC
4 Vss Vout 1
(10)
DG
IC7