Toshiba ESTUDIO170F, Service Manual

Page: 233 / 492

7
January 2005 © TOSHIBA TEC e-STUDIO170F Circuit Description
7 - 3
Circuit Connection Diagram (2/2)
Fig.7-2
MAIN PBA
(2/2
)
: Option
NC
6
5
4
3
2
1
6
5
4
3
2
1
NC
a2
b2
NC
NC
CN5
EXT
TEL
CN16
TXOUT
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RXIN
CML
LD
ER/HK
ATT3DB
RLADJ1
RLADJ2
RGCLK
SG
-12V
AG
+12V
+24V
PG
AG
CI
ANSDET
REVA
REVB
OFFHK
EXTHK
+5VPS
SG
+5V
-12V
AG
+12V
+24V
PG
NCU PBA
(
US type
)
CN9
HOOK
6
5
4
3
2
1
6
5
4
1
3
2
4 2 3 1
5
4
3
2
1
2
1
SG
NC
NC
HS2
HS1
NC
6
5
4
3
2
1
6
5
4
3
2
1
NC
a2
b2
NC
NC
NC
6
5
4
3
2
1
6
5
4
3
2
1
NC
La
Lb
NC
NC
TEL
PBA
CN8
CN3
CN2
CN1
CN1
1
CN10
R T
EXT
TEL
PSTN
Handset
US/CA
models
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NCU PBA
(
EU type
)
CN4
NC
6
5
4
3
2
1
6
5
4
3
2
1
NC
La
Lb
NC
NC
CN3
PSTN
(a2, b2: EXT
TEL
)
EU/AU models
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NCU PBA
(
ASIA
type
)
CN9
HOOK
6
5
4
3
2
1
6
5
4
3
2
1
SG
NC
NC
HS2
HS1
NC
6
5
4
3
2
1
6
5
4
3
2
1
NC
a2
b2
NC
NC
NC
6
5
4
3
2
1
6
5
4
3
2
1
NC
La
Lb
NC
NC
CN8
CN1
1
CN10
EXT
TEL
PSTN
SG/HK models
4 2 3 1
5
4
3
2
1
2
1
TEL
PBA
CN3
CN2
CN1
R T
Handset