Panasonic KX-TA308 - Page 11

(a)
(b)
(c)
(d)
(e)
(f)
(g)
(1) (2)(3)(4)(5) (6) (8) (9)(7)
(10)(11)(12)(13)(14)(15)(16) (17) (18)(19) (20)
1/4
KX-TA308 MAIN BOARD NO.3 (1/4)
(21)(22)
(23) (24) (25)
(26)
(27)
(28)
R904
120K
C902
0.0068
C901
0.1
R950
39K
C900
0.068
R528
0
R527
0
R526
0
R521
6.8K
R525
0
C521
0.022
Q500
Q501
R530
47K
R531
47K
+12V
+12V
R912 100K R913 100K R914 100K
+5V
R536
1K
R535
22K
IC113
5
6
7
R537 33K
C113
0.001
R501 330
R511
1.2K
+12V
C501
0.022
C500
0.022
+12V
IC500
(8*16)CROSSPOINT
44
VDD
40
CS
18
VSS
22
VEE
3
RST
6
NC
15
NC
NC
16
28
NC
29
NC
38
NC
13
X10
12
X9
11
X8
10
X7
9
X6
32
X5
33
X4
34
X3
35
X2
36
X1
37
X0
20
STR
26
AY 0
27
AY 1
2
AY 2
5
AX0
24
AX1
25
AX2
4
AX3
42
D ATA
8
X15
7
X14
30
X13
31
X12
14
X11
17
Y7
19
Y6
21
Y5 Y4
231
Y3
43
Y2
41
Y1
39
Y0
R502 330
R503 330
R504 330
R505 330
R506 330
R507 1K
R508
1K
R522
6.8K
R523
6.8K
R524
6.8K
R512
1.2K
R513
1.2K
R514
1.2K
R515
1.2K
R516
1.2K
R517
1.2K
R518
1.2K
C522
0.022
C523
0.022
C524
0.022
IC501
(4*8)CROSSPOINT
28
VDD
12
CS
14
VSS
15
VEE
22
RST
NC
19
18
NC
5
NC
4
NC
7
X0
9
X1
11
X2
13
X3
21
STR
16
AY 0
17
AY 1
20
AY 2
8
AX0
10
AX1
23
Y7
24
Y6
25
Y5
Y4
26 27
Y3
1
Y2
2
Y1
3
Y0
D ATA
6
+24V
VAG
+24V
+5V
IC114
12
13
IC114
10 11
12
IC900
TONEAMP
3
2
1
R59 39
VAG
R7039
R7139
R7239
R7339
R7439
R7539
R7639
R7739
CN4
22D0
21D1
20D2
19D3
18D4
17D5
16D6
15D7
31OGM1
32OGM2
23CS(DISADTMF)
29+24V
IORD
30
27+5V
28+5V
33VAG
34VAG
25AG
26AG
CN6
23DHK1
22DHK2
21DHK3
20DHK4
19DCN1
18DCN2
17DCN3
16DCN4
15DOPN1
14DOPN2
13DOPN3
12DOPN4
11BUSY1
10BUSY2
9DRLY1
8DRLY2
26DOOR1
25DOOR2
6+24V
7+24V
4VAG
5VAG
3AG
2AG
1NC
R31
330
R30
330
R33
330
R32
330
R35
330
R34
330
R37
330
R36
330
R39
330
R38
330
R41
330
R40
330
R43
330
R42
330
R45
330
R44
330
R25 47K R26 47K R27 47K R28 47K R29 47K R46 47K R47 47K R48 47K
+5VS
J116
0
J117
OPEN
OGMSW2
OGMSW1
CO3
EXT2
EXT5
EXT1
EXT3
EXT4
EXT8
EXT6
CO1
CO2
EXT7
CN3
30CO1
29CO2
32CO3
31CO4
34CO5
33CO6
27DOOR1
28DOOR2
25DTMF1
26DTMF2
20PAGOUT
24INT1
21INT2
22INT3
VAG VAG
VAG
VAG
VAG
VAG
VAG
VAG
VAG
A1 A0 A6 A5 A4
CS(8*16)1
A4 A5 A6 A0 A1 A2 A3
DTMFR2
PAGOUT
INT1
INT2
INT3
CO6
CO5
CO4
CO2
CO2
CO3
CO3
CO4
CO4
CO5
CO5
CO6
CO6
DTMFR1
DTMFR1 DTMFR2
DTMFR2
PAGIN
PAGIN
INT1
INT1
INT2
INT2
INT3
INT3
INT4
INT4 CO1
CO1
DOOR1
DOOR1
DOOR2
DOOR2
CO1
CO1
CO2
CO2
CO3
CO3
IOWR
IOWR
IOWR
CS(4*8)1
PAGOUT
PAGOUT
OGM1
OGM1
OGM1
OGM2
OGM2
OGM2
D2
D0
D0
CS(DISADTMF)
CS(4*8)2
DTMFR1
D0
D1
D3
D4
D5
D6
D7
RESET
RESET
RESET
DOOR2
DOOR1
EXT8
EXT8
EXT5
EXT5
EXT2
EXT2
EXT4
EXT4
EXT7
EXT7
EXT1
EXT1
EXT3
EXT3
EXT6
EXT6
DRLY2
DRLY1
BUSY2
BUSY1
DOPN4
DOPN3
DOPN2
DOPN1
DOOR1
DOOR2
DHK1
DHK2
DHK3
DHK4
DCN1
DCN2
DCN3
DCN4
OGMSW1
OGMSW2
TONE1 TONE2
IORD
BGM
DISA CARD
CONNECTOR
DOORPHONE CARD
CONNECTOR
CROSS POINT
INT PAGING
AMPLIFIER
INT
B/N
TONE
LOW PASS
FILTER
8 x 16
CROSS POINT
4 x 8