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CN600
HA
T600A
L600A
R601A
2.2K
10
5
HA
4
R602A
39
+5V
Q600A
9
4
C602A 1µ
R604A 560
-15V2
R606A 560
FG
TH60A
R603A 39
7
2
LA
Q601A
C603A 1µ
L601A
LA
1
6
1
BELL
R617A
RING
470
+24V
R616A
Q602A
R610A
R611A
CIRCUIT
100
C611A
47
100
0.18µ
RL60A
D601A
TA
R609A
5
L602A
4
2V
TA
3
10K
3
FG
C609A
R623A
10µ
100K
RL60A
C610A
RA
R624A
10
L603A
9
10µ
RA
2
R613A
D602A
100K
8
R626A
2V
10K
R625A
470
R614A
R615A
100
C615A
47
68
0.18µ
Q603A
R633A
CURRENT SUPPLY CIRCUIT
47K
A
HOOK DETECTION CIRCUIT
HB
L600B
HB
8
LB
L601B
LB
5
TB
L602B
Same as A
TB
7
RB
L603B
RB
6
B
CN601
HC
L600C
HC
4
LC
L601C
LC
1
TC
L602C
Same as A
TC
3
RC
L603C
RC 2
C
HD
L600D
HD
8
LD
L601D
LD
5
TD
L602D
Same as A
TD
7
RD
L603D
RD
6
D
CN602
HE
T600E
L600E
R601E
2.2K
10
5
HE
2
R602E
39
+5V
Q600E
9
4
C602E 1µ
R604E 560
-15V2
R606E 560
TH60E
FG
R603E 39
7
2
Q601E
LE
L601E
C603E 1µ
LE
1
6
1
R617E
+24V
Q602E
R610E
R611E
R616E
C611E
R609E
D601E
RL60E
5
4
3
FG
C609E
R623E
RL60E
C610E
R624E
10
9
D602E
R613E
8
R626E
R625E
R614E
R615E
C615E
Q603E
R633E
E
No Mounted
HF
L600F
HF
4
LF
L601F
LF
3
Same as E
F
HG
L600G
HG
6
LG
L601G
LG
5
Same as E
G
HH
L600H
HH
7
LH
L601H
LH
8
Same as E
H
5V
+5V
0V
D600A
R605A
2.2K
RXI[0]
5V
C604A 68P
0V
C605A 68P
TXA[0]
R607A 2.2K
TXB[0]
BELL
C632A
CODEC
PAYTONE[1]
0.1µ
IC600A
1
DR 8
HWS[2]
RO+
DT 13
HWR[2]
2
RO-
MCLK 11
2MHz
C616A
BCLKR 9
No Mounted
BCLKT 12
R630A
3
FSR 7
CP[0]
PI
FST 14
62K
4
PO-
EXPDN[1]
PDI 10
5
PO+
MU/A 16
MU/AN
C617A
+5V
220p
17
6
TG
VDD
R628A 78.7K
18
TI-
+5V
19
VSS 15
TI+
R629A
20
VAG
78.7K
C618A
LCT[1]
220p
HOOK[1]
R634A
Q604A
+24V
D604A
Q605A
6.8K
BELL[1]
RL60A
BELL
1
12
RELAYSW
RXI[1]
TXA[1]
TXB[1]
BELL
PAYTONE[2]
HWS[2]
HWR[2]
2MHz
CP[1]
EXPDN[2]
MU/AN
LCT[2]
HOOK[2]
BELL[2]
RXI[2]
TXA[2]
TXB[2]
BELL
PAYTONE[3]
HWS[2]
HWR[2]
2MHz
CP[2]
EXPDN[3]
MU/AN
LCT[3]
HOOK[3]
BELL[3]
RXI[3]
TXA[3]
TXB[3]
BELL
PAYTONE[4]
HWS[2]
HWR[2]
2MHz
CP[3]
EXPDN[4]
MU/AN
LCT[4]
HOOK[4]
BELL[4]
+5V
D600E
R605E
2.2K
RXI[4]
C604E 68P
C605E 68P
TXA[4]
R607E 2.2K
TXB[4]
CODEC
BELL
IC600E
1
DR 8
HWS[3]
RO+
DT 13
HWR[3]
2
RO-
2MHz
MCLK 11
C616E
BCLKR 9
BCLKT 12
R630E
3
FSR 7
CP[0]
PI
FST 14
4
PO-
PDI 10
EXPDN[5]
5
PO+
MU/A 16
MU/AN
C617E
+5V
17
6
TG
VDD
R628E
18
TI-
+5V
19
VSS 15
TI+
R629E
20
VAG
C618E
LCT[5]
HOOK[5]
R634E
Q604E
+24V
D604E
BELL[5]
RL60E
1
12
Q605E
RXI[5]
TXA[5]
TXB[5]
BELL
HWS[3]
HWR[3]
2MHz
CP[1]
EXPDN[6]
MU/AN
LCT[6]
HOOK[6]
BELL[6]
RXI[6]
TXA[6]
TXB[6]
BELL
HWS[3]
HWR[3]
2MHz
CP[2]
EXPDN[7]
MU/AN
LCT[7]
HOOK[7]
BELL[7]
RXI[7]
TXA[7]
TXB[7]
BELL
HWS[3]
HWR[3]
2MHz
CP[3]
EXPDN[8]
MU/AN
LCT[8]
HOOK[8]
BELL[8]
T1
R504
CN500
T500
39
4
13
47
3
SX1
2
2
+5V
SA500
3
14
D500
D503
3
3
2
15
T2
R505
SA501
SFG
39
1
1
1
16
48
6
SX2
R524
R506
R2
8.2K
1.8K
5
9
44
4
SR2
2
2
SA502
6
10
+5V
D504
D507
3
3
7
11
R1
SA503
SFG
1
1
R507
8
12
45
5
SR1
R525
1.8K
8.2K
C502
41
XTAL1
4V
27P
7.7MHz
0V
C503
R532 820
42
XTAL2
27P
3
1
40
OUT
IN
C768
60
FIL500
GND
+5V
INT1N
61
2
INT0N
64
FBOUT
58
ACLN
29
DACKAN
1
VDD
12
VDD
26
VDD
49
VDD
43
VDDA
31
CH0
32
CH1
33
CH2
36
TP
37
TP
38
TP
7
VSS
17
VSS
39
VSS
55
VSS
46
VSSA
CN501
T1
SW500
R508
T501
1
3
39
2
4
13
47
SA504
SX1
3
2
2
+5V
3
14
D508
D511
3
3
T2
SFG
2
15
SW501
R509
1
6
39
1
1
SA505
2
1
16
48
R2
SX2
3
R526
R510
1
4
8.2K
1.8K
2
5
9
44
SA506
SR2
3
2
2
+5V
6
10
SW502
D512
D515
3
3
R1
SFG
7
11
1
5
R511
1
1
SA507
2
8
12
45
SR1
3
R527
1.8K
8.2K
SW503
41
1:SO
XTAL1
3:EXT
POWER
+24V
1
42
2
XTAL2
3
SW504
3
1
40
OUT
IN
C768
60
+5V
FIL501
GND
INT1N
-15V
2
61
INT0N
1
64
FBOUT
2
58
ACLN
3
29
DACKAN
SW505
1:ON
3:OFF
1
VDD
12
5V
VDD
26
VDD
7.7MHz
49
VDD
0V
43
VDDA
31
CH0
32
CH1
33
CH2
36
TP
37
TP
38
TP
7
VSS
17
VSS
39
VSS
55
PAYTONE[1-4]
VSS
46
1:11G
VSSA
ANALOG SW
DTMF RECEIVER
IC602
IC604
C625
R641
LCT[1]
13
3
1
14
X0
X
INPUT
VDD
LCT[2]
INH[1]
14
6
0.1µ
2
390K
X1
INH
NC
LCT[3]
15
11
A[1]
3
13
X2
A
PD
NC
LCT[4]
B[1]
12
10
4
12
X3
B
OSCO
EST
LCT[5]
1
9
C[1]
X4
C
LCT[6]
STD[1]
5
5
11
X5
OSCI
STD
1:8E
LCT[7]
+5V
ACK[1]
2
X501
6
10
X6
NC
ACK
1:8F
LCT[8]
4
16
3.58MHz
7
9
SD[1]
X7
VDD
VSS
SD
1:8F
8
LOAD
7
VEE
8
+5V
VSS
IC605
IC603
R642
C626
LCT[1]
13
3
1
14
X0
X
INPUT
VDD
LCT[2]
INH[2]
14
6
0.1µ
2
X1
INH
390K
NC
LCT[3]
A[2]
15
11
3
13
X2
A
PD
NC
LCT[4]
12
10
B[2]
4
12
X3
B
OSCO
EST
LCT[5]
C[2]
1
9
X4
C
LCT[6]
STD[2]
5
5
11
1:8E
X5
OSCI
STD
LCT[7]
2
+5V
6
10
ACK[2]
X6
NC
ACK
1:8F
LCT[8]
SD[2]
4
16
7
9
X7
VDD
VSS
SD
1:8F
8
LOAD
7
VEE
8
VSS
A[1-2],B[1-2],C[1-2],INH[1-2]
1:11G
RXI[0-7]
1:9B
TXA[0-7]
1:9B
TXB[0-7]
1:9B
EXPDN[1-8]
1:4G
HOOK[1-8]
1:9B
BELL[1-8]
1:9B
HWS[3]
1:8H
HWR[3]
1:8H
BELL
1:3C
HWS[2]
1:8H
HWR[2]
1:8H
2MHz
1:8G;1:3C;1:9E;1:4F;4A
MU/AN
1:8E;1:3B;1:9D;3B
5V
ISDN
4MHz
0V
IC500
62
HWR[1]
PCMOUT
HWS[1]
63
PCMIN
R512
+5V
2.7K
51
DU
5V
R513
7.98MHz
52
DD
0V
2.7K
59
SDS
54
ICLK
DCL
IFH[1]
53
FSC
6
REN
RDN
WELN
5
WRN
3
ALE
4
S0CSN[0]
C5N
LA[1]
18
A0
19
LA[2]
A1
LA[3]
20
A2
21
LA[4]
A3
22
LA[5]
A4
LA[6]
23
A5
24
LA[7]
A6
LA[8]
25
A7
8
LD[0]
D0
LD[1]
9
D1
LD[2]
10
D2
11
LD[3]
D3
LD[4]
13
D4
LD[5]
14
D5
15
LD[6]
D6
LD[7]
16
D7
+5V
27
DRQTB
28
DRQRB
30
DACKBN
35
AMODE
R514
+5V
47K
56
MODE0
+5V
+5V
R515
57
MODE1
47K
R516
SCLK[0]
50
SCLK
1:11H
L504
100
INTN
2
INTN
1:9F
LRSTN
2
34
3
1:3D;1:6F;1:10G;4B;3B;3E;1B
SRSTN[0]
RES
1
1:3E
IC505
ISDN
IC501
HWR[1]
62
PCMOUT
63
HWS[1]
PCMIN
R517
+5V
2.7K
51
DU
R518
52
DD
2.7K
59
SDS
54
ICLK
DCL
53
IFH[1]
FSC
REN
6
RDN
5
WELN
WRN
3
ALE
S0CSN[1]
4
C5N
LA[1]
18
A0
LA[2]
19
A1
20
LA[3]
A2
LA[4]
21
A3
22
LA[5]
A4
23
LA[6]
A5
LA[7]
24
A6
25
LA[8]
A7
LD[0]
8
D0
9
LD[1]
D1
LD[2]
10
D2
LD[3]
11
D3
13
LD[4]
D4
LD[5]
14
D5
LD[6]
15
D6
16
LD[7]
D7
+5V
27
DRQTB
28
DRQRB
30
DACKBN
LRSTN
IC505
1:3D;1:6F;1:10G;4B;3B;3F;1B
10
35
SRSTN[2]
AMODE
9
1:3E
+5V
R519
+5V
56
MODE0
47K
57
MODE1
R520
50
SCLK[1]
SCLK
1:11H
L505
100
2
INTN
4
LRST[1]
34
6
RES
SRSTN[1]
5
1:3E
IC505
CN3
CN4
3
+5V
21
+5V
4
22
5
6
3
+24V
7
4
8
15
25
16
26
27
27
28
28
29
30
29
31
32
LD[0]
1
8
LD[1]
13
7
LD[2]
14
10
LD[3]
15
9
LD[4]
16
12
LD[5]
35
11
LD[6]
40
14
LD[7]
41
13
LD[0-7]
LA[1]
39
6
LA[2]
38
5
LA[1-2]
LD[0]
18
LA[15]
LD[1]
20
17
LD[2]
+5V
20
LD[3]
R338
47K
19
LD[4]
DDRCD
22
24
LD[5]
HWS[1]
21
26
LD[6]
HWR[1]
24
25
LD[7]
REN
23
18
WELN
LD[0-7]
17
LA[1]
1:1H;1:10G;3C;1H;1B
LRSTN
10
2
LA[2]
DDRCSN
9
19
LA[14]
CP[4]
12
23
LA[15]
MU/AN
11
1
LA[1-2],LA[14-15]
4MHz
30
1:1H;3B;1H;1B
DOOR/CO
REN
34
1:6F;1:3D;1H;3B;1B
WELN
33
1:6F;1:2D;1:10G;1H;3B;1B
UCDCSN
37
1:8G
LRSTN
2
1:3D;1:6F;1:10G;3B;3F;3E;1B
C236
No Mounted
IC505
+5V
12
11
R159
47K
13
UCDCD
36
1:3E
HWS[1]
1:8H;1:3C;1:9E;1:4F;1I;3B
44
HWR[1]
43
1:8H;1:3C;1:9E;1:4F;1I;3B
+5V
2MHz
2MHz
42
1:8G;1:3C;1:9E;1:4F;6A
14
MESSAGE
IC505
CP[0-3]
7
1:6E;1:9D;1:6D;1:3C
HWR[1]
1:8H;1:3C;1:9E;1:4F;4A;3B
HWS[1]
1:8H;1:3C;1:9E;1:4F;4A;3B
ICLK
1:9F
IFH[1]
1:11F
REN
1:6F;1:3D;4B;3B;1B
WELN
1:6F;1:2D;1:10G;4B;3B;1B
S0CSN[0]
1:11H
S0CSN[1]
1:11H
S/T[1]
1:3E
LA[1-8]
1:1H;3B;4B;1B
LD[0-7]
1:1H;1:10G;4B;3C;1B
S0CSN[2]
1:11H
S/T[2]
1:3E
S0CLK[2]
1:9F
1S0CD
1:8D
+5V
CN2
23
1S0CD
2
S0CLK[2]
22
S/T[2]
10
S0CSN[2]
5
HWR[1]
6
HWS[1]
4
ICLK
3
IFH[1]
18
REN
16
WELN
LA[1]
48
LA[1]
LA[2]
47
LA[2]
LA[3]
46
LA[3]
LA[4]
45
LA[4]
LA[5]
44
LA[5]
LA[6]
43
LA[6]
LA[7]
42
LA[7]
LA[8]
41
LA[8]
LD[0]
36
LD[0]
LD[1]
35
LD[1]
LD[2]
34
LD[2]
LD[3]
33
LD[3]
LD[4]
32
LD[4]
LD[5]
31
LD[5]
LD[6]
30
LD[6]
LD[7]
29
LD[7]
12
INTN
24
LRST[2]
1
7.68MHZ
+5V
19
20
21
+24V
13
14
15
-15V
7
8
9
25
26
27
37
38
39
11
17
28
40
1SO
8
T1
CN5
CN502
3
1
SXL[1]
SA508
3
SXL[2]
T2
SA509
SFG
4
SRL[2]
6
2
SRL[1]
R2
5
N.C.
4
6
N.C.
SA510
1SO
R1
SFG
SA511
SFG
5
CN8
FG
13
+5V
14
3
4
5
6
17
18
35
36
LD[0]
34
LD[1]
33
LD[2]
32
LD[3]
31
LD[4]
30
LD[5]
29
LD[6]
28
LD[7]
27
LD[8]
26
LD[9]
25
LD[10]
24
LD[11]
23
1:1H;1:10G;4B;1H;1B
LD[12]
22
LD[13]
21
LD[14]
1:1H;4B;1H;1B
20
LD[15]
1:1H;4B
19
LD[0-15]
LA[1]
1:1H;1:10G;4B;3C;1H
44
LA[2]
43
1:8D
LA[3]
42
1:8H;1:3C;1:9E;1:4F;1I;4A
LA[4]
41
LA[5]
1:8H;1:3C;1:9E;1:4F;1I;4A
40
1:6F;1:3D;1H;4B;1B
LA[6]
39
1:6F;1:2D;1:10G;1H;4B;1B
LA[7]
38
LA[8]
1:3D;1:6F;1:10G;4B;3F;3E;1B
37
1:8G
LA[1-8]
1:6D
1:1H;3B;4B;1H
DREQN
1:8E;1:3B;1:9D;6A
8
1:4G
1:8G
DACKN
7
1:4G
REN
10
1:6F;1:3D;1H;4B;3B
WELN
9
1:6F;1:2D;1:10G;1H;4B;3B
USBINTN
12
1:8G
USBCSN
11
1:8G
+5V
R160
47K
USBCD
15
1:3E
LRSTN
16
1:3D;1:6F;1:10G;4B;3B;3F;3E
C238
D-
D+
CN9
No Mounted
1
Vcc
1
2
D-
2
3
D+
4
GND
No Mounted
5
6
FRAME
FG
FG
No Mounted
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