Panasonic KX-TA1232 Service Manual page 208

IC219 IC219
6 5 8 9
A[9]
A[10]
A[11]
A[12]
4
0
10 11
IC219
5
0
IC215
R256
C251
100K 0
2 IN- 11 D[0]
D1
12 D[1]
22000P
R255 D2
13 D[2]
68K D3
14 D[3]
0
D4
3 18
GS VDD
C252
1
IN+
22000P
4
VREF
5 17
IC St/G1
6
IC
R257
9 VSS
330K
16
ESt
0
10 TOE
TOE 15 0
STD[1]
StD
OSC1 OSC2
7 8
R204
R203 1M
100
X3
IC216
R259
100K 0
2 11 D[4]
IN-
D1
12 D[5]
D2 13
R258
D[6]
68K D3
14 D[7]
0 D4
3 18
GS VDD
1 IN+ C254
22000P
4
VREF
5 17
IC St/G1
6
IC
R260
9 VSS
330K
16
ESt
0
10
TOE 15
0
STD[2]
StD
OSC1 OSC2
7 8
10K
D[0] R270A
R270B 10K
D[1]
10K
D[2] R270C
10K
D[3] R270D
R270E 10K
D[4]
10K
D[5] R270F
D[6] R270G 10K
R270H 10K
D[7]
+5V
A[1]
A[2]
4
A[3]
A[4]
0
A[5]
A[6]
4
0
IC223
9
8
10
4
6
5
12
11
13
+5V
1
3
2
+5V
D252 0
R271
6.8K
IC224
CDSN
19 G 1
DIR
D[0]
11 B 9
A
D[1]
12 8
D[2]
13 7
D[3]
14 6
D[4]
15 5
D[5]
16 4
D[6]
17 3
D[7]
18 2
4
0
C2M
R801 33
R802 33
R803 33
R804 33
R805 33
4
0
+15V
5
0
+15B
+5V
C295
C292
0.1
50V10
+5V
-15V
C296
0.1
-5V
5
0
+5V +5V
14 14
C280
IC219 IC220
0.1
7 7
TOE
IC222
R272
R300
11 12
330
100
14 13
IC222
C295
0.1
4
0
+5V
IC221
14
R301
8 9
R302
6 5
R303
10 11
R304
4 3
R305
12 13
R306
2 1
7
R280
22K
R307
R308
R309
R310
R311
IC222
R312
9 10
R313
7 6
R314
5 4
R315
3 2
R316
12 13
IC219
100
R299A
100
R299B
R299C 100
100
R299D
100
R299E
R299F 100
R299G 100
100
R299H
IC219
R267 100
4 3
R268 100
2 1
R269 100
8 9
IC220
6 5
10 11
4 3
12 13
2 1
LS04
F200
R270 D223
22
C260
25V470 µ
F201
C263
Q251
R261
50V33 µ
1W82
C255
50V33 µ
R262
1.5K
D251
+5V
IC222
1
14
C281 C282
IC221
0.1 0.1
15
7
4
0
To MB CN403 or CN404
CN201
36 HWS
35 HWR
4
46 OHCAT
OHCAT
0
OHCAR 44 OHCAR
41 R[1]
R[1]
T[1] 42 T[1]
39 R[2]
R[2]
40 T[2]
T[2]
37 RING
RING
38 TIP
TIP
BELL 50 BELL
330
26 A1N
330
25 A2N
3.5
330
24 A3N
330
0
23 A4N
330
22 A5N
330
21 A6N
4
0
+5V
43 CA[0]
330
6
IOCSN
330
20 A9N
330
19 A10N
3.5
0
330
18 A11N
330
17 A12N
330
5
IORN
330
3.5
4 IOWN
330
2 0
IRWN
330
1
ECK
4
330
3 SRSTN
34 D0N
33 D1N
32 D2N
3.6
31 D3N
3.0
30 D4N
0
29 D5N
28 D6N
27 D7N
R317 330
14 C2MN
3
R318 330
13 C4M
0
R319 330
15 CPUCKN
R320 330
11 CHS[0]
R321 330
10 CHS[1]
R322 330
9
CHS[2]
R323 330
8
CHS[3]
R324 330
7
CHS[4]
49 +15V
C262
50V33 µ
45 +5V
47 -15V
C264
50V33 µ
12 GND
48
15
16
+5V
+5V
16
14
C283 C284
IC223 IC224
0.1 0.1
7
8
3.6
0
+5V
20
C285
0.1
10