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C626
0
R619
10K
C622
TP601
K0.1
R618
2.2K
TP604
C624
K0.01
R617
4.7K
Q602
TP602
TP603
SP
R667
1.0M
D901
D905
D902
D906
D903
D907
D904
D908
1
2
3
1
1
2
3
D804
1
2
3
D803
D802
1 SEG15
2 SEG16
3 SEG17
4 SEG18
5 SEG19
6 SEG20
7 SEG21
8 NC
9 SEG22
10 SEG23
11 SEG24
12 SEG25
13 SEG26
14 SEG27
15 SEG28
16 NC
17 SEG29
18 SEG30
19 SEG31
20 SEG32
21 SEG33
22 SEG34
23 SEG35
24 NC
25 SEG36
26 SEG37
27 SEG38
28 SEG39
29 STB6
30 STB5
31 STB4
32 NC
33 STB3
34 LINE_SEIZ
VOL1
35 VOL1
VOL2
36 VOL2
VOL3
37 VOL3
38 SP_CS
TP1
K470P
C816
TP2
C817
K470P
24
23
22
21
20
CN801
IC601
R611
28 RAX
18K
27 RXI
R612
26 RXO
C615
2.2K
25 ACF
6.3V22
24 VLC
R613 100K
TP612
23 XDC
C620
22 V-
K0.022
C619
21 VB
25V4.7
C617
TP611
20 VCC
C616
6.3V47
19 SKI
K0.1
R615
18 CS
10K
17 AGC
R614
16 V+
C618
47K
15 SKO
C601
6.3V33
6.3V1000
LCD 1
2
3
4
5
6
C819
NC
C820
NC
C821
NC
C822
NC
C824
Z0.1
3.0V
(3.0V)
1
2
3
D806
2
3
D805
D7
102
101
R/W
100
E
EEPROM_SDA
99
HEADSET_DET
98
GND
97
GND
96
J803
WDDET
95
0
DTMF
94
R801
XRT
93
RDET
92
VPP
91
R802
VPX
90
C801
AGND
89
RING
88
TIP
87
AVDD
86
C803
FILTIN
85
0
IC801
BUFOUT
84
TI/RI
83
OPOUT
82
SW101-2
NC
81
BATT_OUT
80
79
RES
FSK/DTMF
78
HOOK
77
BEEP
76
75
D/C
74
CS
NC
73
SCK
72
RESET
71
XTIN
70
XTOUT
69
TEST
68
XIN
67
XOUT
66
NC
65
J801
0
J802
NC
C813 K0.1
R825
1K
R828
R826
1K
1K
12
11
10
9
19
18
17
16
15
14
13
C625
10V100
C603
K0.033
R606 30K
1
RR
R607 68K
2
ATX
C609 K0.1
3
TXI
4
TXO
R605
2.2M
R602
C606
5
TLI
C610 50V1
2.7K
K0.068
6
TLO
C608
R608 4.7K
7
RLI
K0.022
R609 2.7M
8
RLO
C607
9
R603
MCI
K0.027
3.3K
C611 50V1
10
MCO
11
R604
CP1
4.7K
C605
C612
12
K0.015
CP2
C613
25V4.7
13
XD1
K0.068
14
SKG
D602
7
8
9 10 11
R926
NC
Q921
R901
100
R817 0
C901
16V10
470K
R928
NC
47K
K0.01
R803
0
C804
K0.01
R805
C823
K0.01
R810
100K
R807 100K
C806 22P
C807
22P
C811
K0.01
C808
TP3
33P
C809
C810
33P
Z0.1
R813
680
8
7
6
5
4
3
2
1
D651
IC651
8
NC
LN
7
OS
VN
NC
R654
6
VA
AD
D652
NC
5 IF
NC
R601
C653
15K
NC
C652
NC
C600
R600
C602
0
3.9K
K0.047
In SP-PHONE mode
(5.55V)
D601
R410
470K
R407
D401
2.2K
C408
R409
K0.018
Q406
22K
C410
Q405
NC
C482
R411
R408
NC
C481
390
680
K0.01
Q303
R320
10K
R623 18K
R622
39K
R482
R621 82K
Q852
R665
470K
1.5M
R483 2.7M
R666
2.2M
R929
R904
1M
IC901
560K
R902
R903
2
1
1M
10K
R925
R921
3
C902
K4700
0
10K
HOLD MUSIC
DTMF
C553
K220P D505
100K
C825
K0.01
TP7
IC802
1
8
TP6
A0
VCC
2
7
A1
WP
TP5
3
6
A2
SCK
TP4
4 VSS
5
SOA
Q304
TP8
The voltage during ON-Hook is indicated.
(
) shows the voltage during OFF-Hook.
Circuit current : 40mA
T1
3
2
4
5
1
C654
NC
1
2
3
4
R652 NC
R406
1.8M
R405
C405
C406 K220P
27K
K0.1
NC
Q922
C407
D105
C403
C404
C402
K0.1
K0.1
K0.1
R403
R404
R402
3.3K
3.9K
8.2K
Q491
Q492
Q493
C903
VR901
K0.01
R922
R923
C923
NC
10K
82K
R924
K3300P
0
D402
R853
1M
R104 47K
R851
Q851
4.7K
R312
100K
Q302
R310
22K
R311
100K
R314
10K
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
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