Panasonic KX-TA308 Service Manual page 9

CN5
J124
T1 3
CALLER ID/PAY TONE NC
L205A
T1 2
820uH
CARD CONNECTOR
L204A
R1 1
820uH
R1
R1
T1
T1
NOISE FILTER
100 µH
100µH
L200A L201A
CN10A
SA1A
T1 1
SG
R1 2
NO MOUNT
SA2A
100 µH 100µH
L202A L203A
J200A
0
SG
CO1
SURGE PROTECTOR
CN5
J127
T2 8
NC
L205B
CALLER ID/PAY TONE
T2 6
820uH
CARD CONNECTOR
L204B
R2 4
820uH
100 µH
100µH
L201B
L200B
J201B
0
CN10B
SA1B
T2 1
R2 2
SG
SA2B
2
100 µH
100µH
L202B
L203B
NO MOUNT
J200B
0
CO2
CN5
J130
T3 5
NC
L205C
CALLER ID/PAY TONE
T3
7
820uH
L204C
CARD CONNECTOR
R3
9
820uH
100µH
100µH
L200C L201C
J201C
CN10C
SA1C
T3 1
R3 2 SG
NO MOUNT
SA2C
100 µH
100µH
L203C
L202C
J200C
0
CO3
CPC BELL DETECTION CIRCUIT
R240A
NO MOUNT
PC200A
R201A 1.2K
PC201A
PULSE DIALING
CIRCUIT
0
D201A D202A
J201A
R202A
D200A
100K
J202A
0
1 6
2 4
+5V
+5V
NO MOUNT
R240B
PC200B
R201B 1.2K
PC201B
Q200B
D201B D202B
R202B
D200B
100K
J202B
NO MOUNT 4 1
1 6
3 2
4
+5V
+5V
R240C
NO MOUNT
PC200C
1.2K
R201C
PC201C
Q200C
D201C D202C
0
R202C
D200C
100K
J202C
4
NO MOUNT
1 6
3
2 4
+5V
+5V
2W/4W
CONVERT CIRCUIT
R241A
680
DIAL SHUNT
CIRCUIT
4
1
2 3 C203A
2.2µF
Q200A
T200A
1
Q208A 6
4
3
R207A
6.8K
4 1
3 2
4
1
3
2
CURRENT
DETECT CIRCUIT
R241B
680
4
1
C203B
2 3
2.2µF
T200B
1
Q208B 6
4
3
R207B
6.8K
4
1
2 3
VAG
R241C
680
4
1
2 C203C
3
2.2µF
T200C
1
Q208C 6
3 4
R207C
6.8K
1
2
4
1
2 3
IC202A
13
NO MOUNT
2 1
OPEN
C212A
R234A 5
3
100p 4
R260A IC201A
SEND AMPLIFIER
R229A
0
C211A
R227A
330K 0.056 100K
2
1
R228A
3
IC200A
C210A 100K
0.056
NO MOUNT
IC202A
VAG
IC202A
R216A
NO MOUNT
100K C205A
IC200A
5
0.056
7
6
R217A C206A
100K 0.056
IC201A
12
11 10
R218A
330K
B/N
C207A
R262A
100p
0
NO MOUNT
R231A
VAG 10 11
IC202A
12 OPEN
IC202B
13
R234B
NO MOUNT
2 1
OPEN
IC201B
5
3 4
C212B
R260B
100p
R229B
0
C211B R227B
330K 0.056 100K
2
1
R228B
3
IC200B
C210B 100K
0.056
IC202B
NO MOUNT
VAG
IC202B
R216B
C205B
NO MOUNT
100K 0.056 R221B
IC200B 1.2K
5
7
6
R217B C206B
100K 0.056 IC201B
12
11 10
R218B
330K
R262B 0
C207B
100p
NO MOUNT
R231B
11
10
12
OPEN
IC202B
IC202C
13
R234C
NO MOUNT
2
1
OPEN
IC201C
C212C
5
100p 4
3
R260C
R229C
0
C211C R227C
0.056 100K
330K 2
1
C210C R228C
3
IC200C
100K
0.056
IC202C
NO MOUNT
VAG
IC202C
C205C
R216C NO MOUNT
IC200C
5
100K 0.056
7
6
R217C C206C
IC201C
100K 0.056
12
11
10
R218C
330K
R262C
100p
0
C207C
NO MOUNT
VAG
R231C
10 11
12
OPEN
IC202C
KX-TA308 MAIN BOARD NO.2 (1/2)
CONFERENCE SW
IC201A
MUTE SW
R238A
R221A
1.2K
0
OPEN C217A
AMPLIFIER
RECEIVE
RECEIVE MUTE SW
IC201B
R238B
0
C217B OPEN
IC201C
R238C
R221C 0
1.2K
C217C OPEN
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
(42)