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IC600
R658
C630
C612
MICP
62
MICM
R628
C613
LINEIN
60
LINEOUT_P
PIA
69
SPKRP
SPKRM
DIGITAL
ANALOG
R277
C266
TONE
R343
VOL
C324
IC611
R246
CN200
R250
SP(+)
1
8
CD
1
SP(-)
2
7
GND
2
FC2
SPMUTE
6
VCC
FC1
3
5
4
R247
C246
R251
C240
C214
R218
IC204-A
C232
R236
LPF
C223
R229
R324
R233 R241
C227
C303
R230
C225 C233
R231
C229
C226
R234 R242
R332
IC204-B
12V
C325
36
35
34
33
32
31
30
29
A
A
A
A
A
D
5
4
3
2
1
DET
0/-6
20
1
2
3
4
5
6
7
8
C253
Q211
T203
DC LOOP
PC204
/BREAK
C204
R206
C299
R318
C202
IC202-A
R325
C307
28
27
26
25
24
23
22
21
20
19
0/-3
-20/-30
0/-6/-12
MUTE2
0/-1/-2/-3/-4/
5 4 3
-5/-6/-7/-8dB
0/-1/-2/-3dB
AGC
MUTE1
IC208
1
2
9
10
11
12
13
14
15
16
17
18
CN203
D210
L239
~
RY200
~
SA200
L242
R310
SA201
POS200
FG
D213
Q212
RLY
CN204
L247
L248
T202
PC205
BELL
R315
D211
D212
TO
HANDSET
R222
R334
C317
4
HSMIC(+)
C219
1
HSMIC(-)
C318
R335
2
HSSP(+)
3
HSSP(-)
CN202
C292
IC202-B
KX-FL513RU : ANALOG BOARD : BLOCK DIAGRAM
1
2
3
4
5
6
1
2
3
4
5
6
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Troubleshooting
