Microlab V3830 Schematic

VFD1

3850显示板原理图
3850 VFD circuit diagram

VFD_5016(7188T)

MODEL:ZYC35150-2A02

F1F2P13P24P35P46P57P68P79P810P911P1012P1113P1214P1315P1416P1517P1618G119G220G321G422G523G624G725G826G927G1028G1129G1230G1331P1732P1833G1434G1535G1636G1737G1838G1939G2040G2141G2242G2343G2444G2545P1946P2047P2148P2249P2350P2451P2552P2653P2754P2855P2956P3057P3158P3259P3360P3461P3562F63F

64

O1O2O3O4O5O6O7O8O9

+35V

R1
1K

Q1
8050

R2
1K

RG1

CG1

100R

104P

+5V

R3
1KR41K

LED

O10

104P

SDA
SCL

STB16306

BLK

黑屏控制BLK

O11

O12

O13

O14

O15

O16

O19

O20

O21

O22

O23

O17

O18

+35V

C1

C2

104P

+35V

31
32
33
34
35
36
37
38
39
40
41
42

+5V

43
44
45
46
47
48
49

C3

50

104P

O24

O25

O26

O27

O28

O29

O30

O31

O32

O33

O34

O35

O36

O37

O38

O39

O50

O15

O49

O16

O48

O17

O47

O18

O46

O19

O40

O45

O20

O64

O44

O21

O43

O43

O22

O44

O42

O23

O45

O46

O428O439O4410O4511O4612O4713O4814O4915O5016O5117O5218O5319O5420O5521O5622O5723O5824O5925O6026O6127O6228O6329O64

O41

O42

O51

O52

O53

O54

O55

O56

O57

O58

O59

O60

O61

O62

O63

O64

30

VDD2
NC
NC
VSS2
NC
B
A
/CLK
VSS1
NC
R,/L
VDD1
/STB
/PC
BLK
NC
VSS2
NC
NC
VDD2

O151O252O353O454O555O656O757O858O959O1060O1161O1262O1363O1464O1565O1666O1767O1868O1969O2070O2171O2272O2373NC74NC75VSS276NC77NC78VDD279NC

O1O2O3O4O5O6O7O8O9

O10

O11

O12

O13

O14

O47

O48

C5

104P

5NC6NC7

VSS2

C4 103P

O49

O50

2NC3NC4

VDD2

O51

1

80

+35V

NC

+35V

O52

NC
O41
O40
O39
O38
O37
O36
O35
O34
O33
O32
O31
O30
O29
O28
O27
O26
O25
O24

NC

O53

O54

O55

O56

U1

100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81

NEC16306

O57

O58

O59

O41
O40
O39
O38
O37
O36
O35
O34
O33
O32
O31
O30
O29
O28
O26
O27
O25
O24

R27
2R2

JS1
JS

OUT3GND2+VCC

RMT

22uF16V

F1
F2

R5

R6

100R

100R

C6 100uF16V

+5V

R24
22R

1

C9

D1 1/2W7V5

R23
10KLED2

C10
100P

B
C
D

D2
4148

R10
4K7R94K7R84K7

S7

S8

KEY

KEY

+5V

S6
KEY

S5
KEY

D3
4148

S4
KEY

S3
KEY

S2
KEY

D4
4148

S1
KEY

PIN3
14P2.0

F1F2+35V

GND

+5V

BCD

NC

123456789

STB16306

SDA

SCL

1011121314

BLK

RMT

R1

3850前级板原理图
3850 preamplifier circuit diagram

R4

L1

L4

L1
R1
L2
R2
L3
R3
L4
R4
L5

R5
R5
L6

R6
R6
L7

R7
R7

5.1R

5.1L

5.1R

5.1SL

5.1SR

L5

5.1C

5.1LFE

L6
RECR
RECL

L7

5.1L

J2

5.1C

5.1LFE

5.1SR

5.1SL

C
LFE
SL
SR
L
R
GND
OK L
OK L
+15V

-15V
OK IN1
OK IN2
GND
GND
+5V
GND
+14db
/IC
/CS 8770
/CS917
SO 917
SO 912
MCE
SCE
SCK
SI

BN1B

BN1A

C110

4

2.2U/16V

R134

3

47K

C111

2

2.2U/16V

R135

1

47K

J1

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

1
2
3

HEADER25

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

HEADER28

除SI,SCK ,+14db外口线可以互换

R137

OK L

22K

C70

R71

JL

22K

220n

R72

JR

22K
R73

JSL

22K
R74

JSR

22K
R75

JC

22K
R76

JLFE 5

22K

R77
10K

U8B

JRC4558D

6

10uF16V

R28

C25

22K

-VCC

R29

VDD

REF

VDD

REF

VDD

REF

22K

C15

22uF16V

C23

22uF16V

C33

D6

1N4148

Q12
9015

D8

1N4148

Q14
9015

U1
PT2314

U2
PT2314

U3
PT2314

C14
100n

C22
100n

C32
100n

C101
220n

2

3

R30
22K

+9V

L
R

+9V

C
LFE

2.2U/16V

+9V

SCK_SLSR

SL
SR

/IC

SO 912

C28

AD0

100n

1

U8A

JRC4558D

/CS917

C112

10uF16V

+VCC

Q1
9014

R20

R21

10K

C16

2.2U/16V

12
13

2
1
5
3

6
11
10

9

AB5.1

5.1LFE IN
LFE IN

5.1C IN
C IN

R97
10K

R103
10K

R109
10K

10K

C17
220n

C19

2.2uF16V
R24

R23
R26
R25

U5

X0
X1
Y0
Y1
Z0
Z1

INH
A

VDD
B
C

4053

AB5.1

LFE OUT

C OUT

C88

12n

C89

9

12n

10

R98
5K6

C91

82n

C92

13

82n

12

R104
5K6

C94

4n7

C95

9

4n7

10

R110
5K6

R18

R19

47K

10K

-VCC

100HZ

R114
100K

240HZ

R126
100K

Q2
9014

C18
47n

R22
10K

-VCC

22K

22K
22K
22K

14

X

Y

Z

VEE
VSS

1

+15V

R99
100K

-

+

R105
100K

-

+

R111
100K

­+

+VCC

15

4

16
7
8

U9
7809

R35
2K2

D13

1/2W5V1

D12

1/2W5V1

R36
2K2

-VCC

3

IN

U11C

324N

U11D

324N

U12C

324N

+9V

OUT

G

C62
220n

2

R83

+5V/CS 8770

2K2

R82

8

4K7

R101

+5V

2K2

R100

14

4K7

R89

+5V

2K2

R88

8

4K7

C24

8 4

100n

+VCC

R17
47K

SCK_LR

SI

C VOL
LFE VOL
R5 IN
R6 IN
R7 IN

5.1R IN
L5 IN
L6 IN
L7 IN

5.1L IN

SCK_CLFE

SI

JC
JLFE

C29

2.2U/16V

SR VOL
SL VOL

5.1SL IN

5.1SR IN
SL IN
SR IN

SI

R120
100K

C98
220n

C104
220n

R27

JR

22K

JL

R1
2K2

R3
2K2

R5
2K2

C1
R2
2K2

R4
2K2

R6
2K2

AUXR IN
AUXL IN
R1 IN
R4 IN
L1 IN
L4 IN
R VOL
L VOL

C2

2.2U/16V

2.2U/16V

R7
2K2

R9
2K2

R11
2K2

R13
2K2

R8
2K2

R10
2K2

R12
2K2

R14
2K2

R31
2K2

R32
2K2

R33
2K2

R34
2K2

C74

R81
1K

R80
100K

6

C73

7

5

+-U12B

220n

R136
22K

R78

R79

470R

10K

220n

R87

C80

100K

C81

R85

2

10K

220n

3

R86
5K6

C85

33n

R93
100K

C86

R91

6

10K

33n

R92

5

5K6

C9
100n

2.2U/16V
C10

100n

7

11

12

14

8

RIN39RIN210RIN1

LIN413LIN3

RIN4

LOUT-R

LOUD-L

LIN215LIN17LOUT18BIN-L19BOUT-L20BIN-R21BOUT-R22OUT-R23OUT-L

LIN1

16

C4

C5
100n

R15

C6

5K6

100n

7

11

12

14

8

RIN39RIN210RIN1

LIN413LIN3

RIN4

LOUT-R

LOUD-L

LIN215LIN17LOUT18BIN-L19BOUT-L20BIN-R21BOUT-R22OUT-R23OUT-L

LIN1

16

C20

2.2U/16V

7

11

12

14

8

RIN39RIN210RIN1

LIN413LIN3

RIN4

LOUT-R

LOUD-L

LIN215LIN17LOUT18BIN-L19BOUT-L20BIN-R21BOUT-R22OUT-R23OUT-L

LIN1

16

C30

2.2U/16V

JSL

R119

+5V

2K2

R118

7

4K7

324N

+VCC

C82

+5V

U11A

100n

+VCC

­R112

1

+

4K7

-VCC

324N

11 4

C83
100n

+5V

U11B

­R124

7

+

4K7

324N

2.2U/16V
C3

C12

C13

2n7

2n7

1

2

4

5

6

RIN

AGND

ROUT

TREB-L3TREB-R

DGND25DATA26CLK

28

24

27

C7

100n

C8

R16

100n

5K6

C21

2.2uF16V

1

2

4

5

6

RIN

AGND

ROUT

TREB-L3TREB-R

DGND25DATA26CLK

28

24

27

JSR

C31

2.2U/16V

1

2

4

5

6

RIN

AGND

ROUT

TREB-L3TREB-R

DGND25DATA26CLK

28

24

27

22uF16V

D7

1N4148

Q13
9015

R113
2K2

R125
2K2

D1

1N4148

Q7
9015

D4

1N4148

Q10
9015

D2

1N4148

Q8
9015

R68

+15V

-15V

C26
100n

C27
100n

+VCC

10R

C64
10uF16V

C65
10uF16V

R69

-VCC

10R

OK L

2.2U/16V
C34

C35

C44

0db

2.2U/16V

220n

R53
1K

C45

-1.25db

220n

R54
1K

C46

-2.5db

220n

R55
10K

C47

-%db

220n

ECHO OUT SI

C48
100n

C42
**

R52

C40

10K

R46

R56

10K

22K

R47
5K6 R48

560p

+5V

R60
10R

+5VF

100n

500HZ

R84
100K

1.2KHZ R108

R102
100K

2.6KHZ

R90
100K

10K

C37

14

15

16

LPE1-IN

LPE1-OUT

VCC1REF2AGND3DGND4CLK-05VCO6CC17CC0

C60

100uF16V

R67
10K

DL1
DL2
DL3

220n

R51
10K R50

10K

C41

C39

560p

82n

9

10

12

11

13

U6
PT2399

OP1-IN

OP2-IN
LPF2-IN

OP1-OUT

OP2-OUT

LPE2-OUT

C57

8

100n
C58

100n

C59

R64
33K

Q6
9014Q59014Q49014

R66
10K

C99

1n8

C100

R115
10K

1n8

R116
5K6

C102

680p

C103

R121
10K

680p

R122
5K6

ADS1
ADS2
ADS3

C75
220n

C90
220n

C84
220n

OK IN1

OK IN2

ECHO LEVEL

C43

2.2uF16V

C61

100uF6V3

DL1
DL2
DL3

12

14

LIN413LIN3

LOUD-L

LIN215LIN17LOUT18BIN-L19BOUT-L20BIN-R21BOUT-R22OUT-R23OUT-L

LIN1

16

R41
4K7

R49
10K

C38
82n

R63
16K

R65
10K

R117
100K

-

13

+

12

R123
100K

C96
100n

2

-

3

+

11 4

C97
100n

/CS 8770AD0
15KHZ
6KHZ

2.6KHZ
500HZ
240HZ

1.2KHZ
100HZ

+VCC

-VCC

6

7

5

U10B

JRC4558D

U10A

JRC4558D

C78
2n7

C77
2n7

1

2

4

5

6

7

11

8

RIN

RIN39RIN210RIN1

C50
100n

R62
8K2

U12D

R94

14

4K7

324N

U12A

R106

1

4K7

324N

U13

13
14
15
12

1
5
2
4

6
11
10

9

4051

VDD

RIN4

AGND

ROUT

TREB-L3TREB-R

LOUT-R

REF

DGND25DATA26CLK

28

24

27

22uF16V

C49

C51

100n

100n

C52

R42

100n

4K7

+5V

R61
68K

R95

+5V

2K2

R107

+5V

2K2

3

X0

X

X1

R127

X2

470K

X3
X4
X5
X6
X7

INH

16

A

VDD

7

B

VEE

8

C

VSS

C71

84

+VCC

100n

1

C72

-VCC

100n

R59

150K

C56

100p

+9V

C53
100n

U4
PT2314

C54

SO 917

SCK_OK
R43
10K

R44
10K

-VCC

C63

8

100n

VDD16VSS

/QS10QS9Q811Q712Q613Q514Q47Q36Q25Q1

DL1

DL2

DL3

AB5.1

D3

1N4148

C87

Q9

220n

9015

D5

1N4148

C93

Q11

220n

9015

U14B

6

5

JRC4558D

+5V

C105
100n

3

2

30K
R57

15K
R58

OK1 VOL
OK2 VOL

3OE15

CLK

ADS1

R96
100K

15KHZ

100K

ADS2

6KHZ

7

CE_4094

1D2

4

ADS3

+VCC

Q3
9014

C76

2.2U/16V

R45

C36

C55 2.2U/16V

10K

2.2U/16V

SCK
SI

MCE

U7
4094

STR

+VCC

D9
1N4148

R129
2K2

D10
1N4148

Q15
9015

R130
10K

C108

-VCC

100n

R128

2

1K

3

C106

Q16
9014

100n

R131
2K2

+VCC

C107

8 4

100n

R132

1

1K

U14A

JRC4558D

D11

1N4148

R133
2K2

+14db

INT1

Q17
9014

ADSTRT

SCE

口线对应

+14db

INT1

/IC

SCK_LR

/CS 8770

AD0

/CS917

SCK_SLSR

SO 917

SCK_OK

SO 912

SCK_CLFE
MCESICE_4094
SCE

ADSTRT
SCK

CN802

3850功放板原理图

3850 AMP circuit 
diagram

4
3
2
1

CON4

R801

OUT_CHR

22K

R802

OUT_CHL

22K
R803

OUT_CHSR

22K
R804

OUT_CHSL

22K

22K

R805

OUT_CHC

OUT_CHSC

22K

R806
C801

220uF6V3

R807
10K

+15V

R204

R203

22K*

33R

R205
22K*

R202
39K

C201

LINE R

10uF16V

-15V

+15V

R104

R103

22K*

33R

R105
22K*

R102
39K

C101

LINE L

10uF16V

-15V

OUT L

OUT R

OUT LL

OUT RR

12345

接衰减式音调

CN610
CON5

OUT LL

OUT RR

MODE1
MODE902/912/932

GNDA1IN L12IN R13IN L24IN R25IN L36IN R37IN L48IN R49IN L510IN R511IN L612IN R613IN L714IN R715GND165.1IN L175.1IN R185.1IN SL195.1IN SR205.1IN C215.1IN LFE22REC R23REC L24GNDA25OUT C26OUT LFE27OUT SL28OUT SR29OUT L30OUT R31GNDA32OK OUT L33OK OUT R34+15V35-15V36OK IN 137OK IN 238GND39GND40+5V41GND42+14dB43/IC44/CS877045/CS917 NC46SO917 NC47SO912 SO48MCE/CS93249SCE NC50SCK51SI

AUX R

AUX L

C601

C602

2.2uF16V

2.2uF16V

C603

C605

2.2uF16V

C604

2.2uF16V

BNC4A

2.2uF16V

2.2uF16V

2

R603

BNC4B

3

47K

1

R604

BNC4C

47K

1

5

BNC4D

R605

6

R606

47K

4

47K

BNC1A

2

C607 2.2uF16V

4

BNC1B

R607

3

C608 2.2uF16V

R608

1

47K

47K

BNC1D

7

C609 2.2uF16V

1

BNC1E

R609

47K

8

C610 2.2uF16V

R610

6

47K

BNC1G

12

C611 2.2uF16V

6

R611

BNC1H

47K

13

R612

11

47K

BNC2A

2

C613

11

R613

BNC2B

3

47K

R614

1

47K

BNC2D

1

7

BNC2E

8

6

6

C685

BNC1C

R701

5

100R
100uF16V
C686

4

BNC1F

R702

10

100R
100uF16V

BNC1I

C687

9

R703

15

100R
100uF16V
C688

BNC2C

14

R704

5

100R
100uF16V

4

BNC2F

10

9

R709
100R

C660

100uF6V3

A
B
+5VO
GND

扩展S端板

CN603

CON4

1
2
3
4

D5

IN4148

R206
39K

C202
220p

R207
39K

R106
39K

C102
220p

R107
39K

C621

2.2uF16V

C622

2.2uF16V

C606

C612 2.2uF16V

2.2uF16V

C614 2.2uF16V

扩展OSD小板

D6 IN4148

Q201

2N5401

Q101

2N5401

C629

10uF16V

C630

10uF16V

LINE R
LINE L

OSD_V/H
CE_OSD
SI
SCK

OSD OUT
OSD IN
+5V
+15V

D7
IN4148

D8
IN4148

R208
150R

R209
150R

R108
150R

R109
150R

R621
1K

C623
220p

R622
1K

C203

47uF63V

Q202
2N5551

C204

47uF63V

C103

47uF63V

Q102
2N5551

C104

47uF63V

OVER

R627
1K5

R628
1K5

10uF16V

BNC3B

C624
220p

3

CN606

CON6

C802

Q5
2N5551

R233
100R

R234
100R

R133
100R

R134
100R

6

5

-15V

2
3

+15V

C615

2.2uF16V

1
2
3
4
5
6
7
8
9
10

D801
1N5404

D803
1N5404

R623
10K

R624
10K

R615
47K

1

R625

R626

BNC3A

2

R808
39K

10K

10K

R210
1K

Q203
2N5551

R231
33R

R232
33R

Q204
2N5401

R211
1K

R110
1K

Q103
2N5551

R131
33R

R132
33R

Q104
2N5401

R111
1K

C625

220p

C626

220p

C628

100n

C627

8 4

100n

C616

2.2uF16V

12
14
15
11

1
5
2
4
6

10

9

A
B

D802
1N5404

C809

10n100V

D804
1N5404

R809
10K

R212
150R

R616
47K

1

BNC3E

U601

CD4052

2N5401

C205
33p100V

C206
33p100V

R213
150R

R112
150R

2N5401

C105
33p100V

C106
33p100V

R113
150R

U607B

7

JRC4580D

U607A

1

JRC4580D

LFE LINEOUT

OUT C

C617

2.2uF16V

8

X0
X1
X2
X3

Y0
Y1
Y2
Y3
INH
A
B

C665

100P

D805
1N5404

D807
1N5404

+55V

2N5401
Q2

AC10V5A

R810
39K

Q205

Q207

R214
39K

R215
39K

Q206
2N5551

Q105

R114
39K

R115
39K

Q106
2N5551

C691

10uF16V

MUTE

C692

10uF16V

D612M

MUTE

1N4148

OUT SR

OUT SL

OUT L

OUT R

OK EN

接话筒小板

C618

2.2uF16V

R617

7

47K

6

BNC3D

X

Y

VDD

VEE
VSS

C810
D806
1N5404

100N100V

D808
1N5404

C806

10000uF63V

IN4002

D11

R817
10K

D201
IN4148

D202
IN4148

R216
100K

A1013

C207

10uF16V

R217
100K

Q208
C2383

D203
1N4148

D204
1N4148

D101
IN4148

D102
IN4148

Q107

A1013
R116
100K

C107

10uF16V

R117
100K

Q108

C2383

D103
1N4148

D104
1N4148

R633
1K

R635
47K

R634
1K

R636
47K

OK OUT L

OK OUT R

+15V

C600
104

CN602
CON6

C619

2.2uF16V

R618

5

47K

6

BNC3C

13

3

+5V

16
7
8

C661

104

123456789

CN604
CON14

D611M1N4148

-15V

6

R619
47K

4

OSD IN

(DISP_SI)

C811
100N100V

R812
1M

LINE L

Q603
8050

R637
4K7

LINE R

R638
4K7

C620

2.2uF16V

10

BNC3F

OSD OUT

(DISP_SCK)

接显示板

C805
10000uF63V

Q10
9014

R218
1K

R219
1K2

R220
75R

R118
1K

R119
1K2

R120
75R

Q604
8050

12345

R_DATA

R_CLK

RADIO 1

RADIO 6

12

CN605
CON13

R620
47K

9

+5VO

R705
3K3

+55V

-55V

2.2uF16V

D9
IN4148

D10

5V1

C804

2.2uF16V

+14dB

/IC

DATA_OUT

SCKSICE_TUNER

RADIO 2

GND

101113

接收音头

LINE LFE

2

BNC5

R706
100R

-30V

1011121314

C803

R813
10K

C663

C208
470p100V

Q209
2N5551

C209
470p100V

C108
470p100V

Q109
2N5551

C109
470p100V

/CS8770

/CS917

1

Q620
9018

470uF6V3

FF1

FF0

SO917

AUX R

+5V

R814
1M

SO912

GND

R707
1K

Q1
C2383

R815
2W220R

MCE

AUX L

R816
10K

OUT_CHR

OUT_CHL

+55V

SCE

SCK

+10V

STEREO

+5VCPU

R221
1/2W47R

R222
1/2W47R

R121
1/2W47R

R122
1/2W47R

52

SI

TUNER

RADIO 5

D12

C807

C808

1/2W30V

10uF35V

10uF35V

JZ1

1

2

3

4

5
6

JZ-2
D18
1N4002

Q8
2N5551

Q9
8050

PHONE EN

+55V

Q212
A1943

Q210
D669

R225
3K3

R223
5WR22

R226

C210

330R

100n

PHONE R

R224
5WR22

Q211
B649

R227

R228

1/4W3K3

1/4W3K3

R230

Q213

33R

C5200

-55V

+55V

Q112
A1943

Q110
D669

R125
3K3

R123
5WR22

R126

C110

330R

100n

PHONE L

R124
5WR22

Q111

R127

B649

1/4W3K3

R128

1/4W3K3
Q113
C5200

R130
33R

-55V

C639

R645
1K5

10uF16V

R639
1K

C631

C633

OUT SL

220p

2.2uF16V

C640

R646
1K5

10uF16V

R640
1K

C632

C634

OUT SR

220p

2.2uF16V

MUTE CPU

+5V

123456789

MR
4K7X8

123456789

OSD_V/H

CE_OSD

CE_TUNER

RADIO 2

RADIO 1

RADIO 5

RADIO 6

STEREO

P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P27

P101P112P123P134P145P156P167P17

8

+14dB

/IC

/CS8770

/CS917

SO917

SO912

MCE

SCE

R235
39K

Q214
2N5551

R229

1/4W3K3

C211

100n

C212

1000uF6V3

R135
39K

Q114
2N5551

R129

1/4W3K3

C111

100n

C112

1000uF6V3

RMT

+30V

OVER

OVER

6

5

-15V

2
3

R692
4K7

R720
4K7

80C51

INT012INT113T014T1

CN801

4
3
2
1

CON4

R236
2W10R

C213
100n100V

R136
2W10R

C113
100n100V

R641
10K

10K

+14dB

U602

15

MUTE CPU

L201

15N

L101

15N

C635

220p

R643

10K

C636

R644

220p

10K

C638

100n

C637

8 4

100n

+15V

+5V

+5V

+5VCPU

R696
3K3

+5VCPU

C666

22p

12JZ2

OUT_CHC

3

OUT_CHSR

5

OUT_CHSL

7

OUT_CHSC

10

9

OUT_CHR

C214
10n100V

OUT_CHL

C114
10n100V

C693

10uF16V

U608B

7

JRC4580D

MUTE

C694

10uF16V

U608A

1

JRC4580DR642

R694
10K

R693
4K7
C680

10uF16V

R690
10K

R691

10K

R697
3K3

B

A

28

10

TXD11RXD

VCC

GND

EA/VP31X119X218RESET9RD17WR

Y101

C667

12MHz

22p

JZ-4

R651
1K

R653
47K

D613M

1N4148

R652
1K

R654
47K

MUTE

+5VO

29

30

PSEN

ALE/P

16

POWER ON

LINE C

LINE SR

LINE SL

Q619
9015

OK EN

D614M

1N4148

MUTE

Q618
9015

+5VCPU

40

20

4
6

CN902

8

1
2

CON2

C501

2.2UF16V
C502
220p

C401

2.2UF16V
C402
220p

C301

2.2UF16V
C302
220p

LINE SL

Q607
8050

R655
4K7

LINE SR

Q608
8050

R656
4K7

接待机电源

R714

1R

C659

100uF6V3

1
2
3

C668

100n

R710
4K7 D601

JRC4580D

R695
2K2

+5V

U603

A0
A1
A2
GND4SDA

24C02

C669
10uF16V

IN4148

+15V

U301A

R501
39K

R401
39K

R301
39K

CN609
CON3

VCC

C670

SCK

LINE SC

R687
10K

104

WP

5

6

R503
1K

5

6

R403
1K

3

2

R303
1K

OK OUT L

R688
10K

OK OUT R

123

Q621

R713

9015

10K

+15V

C901

2.2uF16V
C902

220p

U501B

JRC4580D

R502
15K

C507
47uF16V

U301B

JRC4580D

R402
15K

C407
47uF16V

R300110R

C3001100UF16V

84

C303

100n

100n

C304

C3002 100UF16V

R3002

10R

R302

15K

C307
47uF16V

OUT C

LFE LINEOUT

C651

2.2uF16V

R686
1K

Q615
8050

C652

2.2uF16V
R689

10K

+5VCPU

+5VCPU

8
7
6

SCK

5

SI

R711
1K5

R712
10K

7

7

1

-15V

R5001 10R

U501A
JRC4580D

R901
39K

C904

47uF16V

R504
10K

D501
1N4148

D502
1N4148

D503
1N4148

R506
0R

R505
10K

R404
10K

D401
1N4148

D402
1N4148

D403
1N4148

R406
0R

R405
10K

R304
10K

D301
1N4148

D302
1N4148

D303
1N4148

R306
0R

R305
10K

C641

2.2uF16V

C642

2.2uF16V

R676
1K

CN601
CON7

FF0

3

2

FF1

R902

R903
1K

C649

10uF16V

C650

10uF16V

AC10V5B

C690

100nR698

100R

C5002

R509
100R

R507
100R

R508
100R

R510
100R

R409
100R

R407
100R

R408
100R

R410
100R

R309
100R

R307
100R

R308
100R

R310
100R

R685
10K

0V

84

Q501
C2383

R511
470R1W

R512
470R1W

Q502
A1013

Q401
C2383

R411
470R1W

R412
470R1W

Q402
A1013

Q301
C2383

R311
470R1W

R312
470R1W

Q302
A1013

R657
1K

R658
1K

Q616
8050

AC10V5A

C5001100UF16V

C503

100n

C504

100n

100UF16V
R500210R
15K

R663

1K5

C643
220p

R664

1K5

C644
220p

1234567

0V

AC18V

R716

C672

103

D602

C671

D603

104

1N4002

1

C679

10uF16V

0.5R

1N4002

6

5

-15V

2
3

-15V

R513

0.22R2W

Q503
A1943

L501

L1

Q504
C5200

R515
1K

R514

0.22R2W

R413

0.22R2W

Q403
A1943

L401

L1

Q404
C5200

R415
1K

R414

0.22R2W

R313

0.22R2W

Q303
A1943

L301

L1

Q304
C5200

R315
1K

R314

0.22R2W

R661

R659
10K

R662

10K

1N4002

1000uF35V

1N4002

2200uF16V

10K

10K

+15V

D605

D604

R715

0.5R

+55V
GND

OVER

-55V

C645

220p

C646

220p

8 4

C677

C675

C673

PHONE L
PHONE R

R518
10R2W

C506
100n

R516

510R
C505
100n

R418

10R2W

C406
100n

R416

510R
C405
100n

R318

10R2W

C306
100n

R316

510R
C305
100n

U609B

JRC4580D

C648

U609A

100n

C647

JRC4580DR660

100n

1

R717

47R

2

1

1000uF35V

1

R906 1/4W470R

OK EN

CN901

1
2
3
4
5
6
7
8
9
10

CON10

OUT_CHC

OUT_CHSR

OUT_CHSL

C695

10uF16V

7

MUTE

C696

10uF16V

1

MUTE

U611
78**POWER ON

IN

U606
7915

IN

U605
7815

IN

U604
7805

IN

R905 1/4W470R

L901

L1

+55V

R517
39K

Q505
2N5551

-55V

+55V

R417
39K

Q405
2N5551

-55V

+55V

R317
39K

Q305
2N5551

-55V

R669
1K

R671
47K

D615M

1N4148

R670
1K

R672
47K

D616M

1N4148

OUT

G

2

OUT

G

1

OUT

G

2

OUT

G

2

OVER

OVER

OVER

3

CN903

1
2
3
4

CON4

OUT_CHSC

R904
10R2W

C903
100n

LINE C

LINE LFE

3

C678
470uF16V

3

C676
470uF16V

3

C674
10uF16V

Q611

8050

R673
4K7

Q612
8050

R674
4K7

+10V

-15V

+15V

+5V