Mystery MTV550 Service Manual

A

33V

33V

22K
R5

22K
R6

R1
22K

VT

D D

C3

0.22uF/50VC40.22uF/50VC5100pF

Q1

PH2369

10K
R9

R11
33K

470pF
C1

BM

R12
33K

Q2

2SA1015

Q3

2SA1015

Q4

2SA1015

BL

C C

BH

BU L/R

TEST3AB
S1

220

B B

2.2K
R40

R31

330
R33

1

2

6

5

3 4

TEST3AB
S2

220
R32

560
R34

S3

TS1565W0-V50C

820
R35

CN1

1
2

PH-2

4.7K
R10

C6
100pF

R13
33K

CN2

PH-2

B

VCC1

R2
10K

R14
33K

R25 22K

R17 22K

R16 22K

R15 22K

R18 1K

R19 1K

U/D

4.5MHz

1
2

R37
1K

STB

R20 1K

R21 22K

C

U2

1

EEP SCL

2

VT

3

R VOL

4

L VOL

5

REAR VIEW

6

SECAM L

7

VL

8

VH

9

U

10

KEY

11

L/R

12

U/D

13

4.5MHz OUT

14

A MUTE

15

ASPE1

16

ASPE2

17

POWER

18

GND

FACTORY ADJ

19

GND

20

NC

21 22

Vcc Vcc

M37160

VDD

VDD

VJC SCL

EEP SDA

VCJ SDA

MONITOR

H SYNC

V SYNC

BLANK

CLK CONT

AV1

AV2

50/60 OUT

FSC IN

RESET

S-VHS IN

IR IN

FILT

C11

100uF/16V

R3
10K

B

G

R

R4
10K

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

R28 10K

26

R30 10K

25

24

23

+

0.01uF
C12

D

C2

0.01uF

C9

470pF

24C08N-10SC

U1

8

Vcc

7

WP

6

SCL

R23 1K

C7

0.01uF

C10

0.01uF

R38
1K

1

A0

2

A1

3

A2

45

GNDSDA

R26 100

C8

100pF

R36
22K

R7
10K

R29
22K

100
R39

C13

47uF/6.3V

E

VCC1

+

R8
10K

1

2

3

VCC1

SCL

SDA

MON

HD

VD

B

G

R

BLANK

CLK

50/60

FSC

RESET

U3

OUT

GND

Vcc

PIC-1018SMD

A A

A

B

C

D

E

A

B

C

D

E

100uH
L3

D D

+

C37
100uF/16V

R62
OPEN

R63

1.5K

Q5
KTC4379

0.056uF/250V
C38

Q6

KTC4379

T1

4

3

2
5

10

6

C36

27pF/3KV

SM02(8.0)B-BHS-1-TB

2
1

CN4

1

KDI190

12V

D1

+12V

C C

J1

DC-004

10K
R27

STB

B B

A A

C51
100pF

F1

30R090

Q8
2SC1815

R70
150K

D2

1N5819

C56

1500pF

+

C41
470uF/25V

6.8K
R69

TL3843D-8
U5

1

COMP

2

VFB

3

ISENSE

4 5

RT/CT GND

REF

VCC

OUT

C59
470pF

2SB1203
Q7

8

7

6

R66
1K

R67
1K

C48

0.1uF

1K
R75

C43

100uF/16V

C53

0.1uF

+

C123
2200pF

10
R73

1N4148

100pF

C125

0.01uF

EI14.5-30534

T2

1

R98
56

10

2

3

4

6

5

8

2

4

1

Q9

NTF3055L108T

3

C44

D3

1N5819

D4

1N4148

D5

1N4148

D6

1SS311

R77

R76

1

1

R78
24K

C39

0.01uF

+

C57
10uF/50V

C47

0.01uF

C52

0.01uF

C55

0.01uF

1K
R74

+

47uF/25V

+

C40

C45
220uF/10V

+

100uH
L5

100uH
L6

C49
100uF/16V

+

C54
47uF/25V

D7

upc574

C58

0.01uF

+

C46
220uF/10V

+

R65
100K

R72
100K

C90
10uF/50V

-15V

5V

7.5V

17V

33V

R79
22K

A

B

C

D

E