Mystery MTV550 Schematics 4
A
ST-3507-02
J2
1
2
3
4
5
D D
T3
8
AGC
RF
VT
BU
9
BH
GND
10
BL
GND
11
BM
GND
12
IF
GND
TUNER
C85
0.01uF
+
C87
100uF/16V
100uH
L9
5V
C C
VT
BU
BH
ANT1
ANTENNA
+12V
C50
2200pF
C69
1
2
3
4
5
6
0.01uF
C72
0.01uF
C76
0.01uF
C79
0.01uF
+
10uF/16V
0.01uF
C80
7
0.01uF
22
R94
BM
C91
24pF
L10
1801A
C96
100pF
C86
R96
100
C70
C97
39pF
BM
R93
6.8K
R97
2.2K
4.7K
R85
R89
150
R91
680
R100
22
Q12
2SC9018
BL
R109
15K
PH-2W
CN5
1
B B
2
2SC1815
Q15
R112
100K
4.5MHz
VCC1
J5
1
2
3
4
5
ST-3507-02
R129
4.7K
A A
1uF
C106
+
220uF/16V
R122
75
NJM386B
4 5
GND OUT
3
-IN
2
-IN
1 8
GAIN GAIN
U8
R134
OPEN
BYPASS
C107
0.047uF
R120
10
V+
C120
OPENC121
12V
R121
39/0.5W
220uF/16V
C110
+
6
7
C114
0.1uF
C116
47uF/16V
+
B
U6
78L09
3 1
VIN VOUT
GND
2
L8
1uH
0.01uF
C89
C99
1uF
VCC1
+
C122
2200pF
R81 33
C92
220uF/10V
R105
10K
C101
22pF
C102
0.47uF
VCC2
100uF/16V
100uH
L4
C83
+
100uH
L11
C104
0.22uF
KTC4376
R113
22
12V
Q11
C84
+
47uF/16V
5V
R24
10K
R110
1.5K
CF2955M
Z2
ININGND
12345
C109
0.01uF
C103
0.01uF
12V
5V
C93
0.1uF
+
C94
1uF
C100
0.1uF
R111
680
OUT
OUT
C108
100uF/16V
10
R95
C98
2200pF
C112
1uF
R103
2.2K
C
C66
0.01uF
C73
0.22uF
C77
0.22uF
C113
0.01uF
+
C63
47uF/16V
49
5.7V
50
SIF FB
51
AUDIO OUT
52
AUDIO BYPASS
53
EXT AUDIO IN
54
FM DIRECT OUT
55
VIF VCO FB
56
SIF GND
57
VIF GND
58
VIF VIDEO OUT
59
RF AGC OUT
60
VIF APC FILTER
61
PAL IDENT FILTER
62
IF AGC FILTER
63
VIF IN1
64
VIF IN2
C68
0.01uF
C71
180pF
L7
33uH
46
47
48
8.7V
CARRIER OUT
SECAM PLL FB
VRAMP CAP
AFT OUT
VIF VCC
C67
+
47uF/16V
1uF
C75
41
42
43
44
45
HI VCC
TV/Y IN
VREG VCC
DDS FILTER
SECAM BELL FB
U7
M61260FP
SIF VCC
VRAMP OUT
VRAMP FB
AFC FILTER
DEF GND
123456789101112131415
R124
R132
6.8K
C115
0.01uF
10K
C111
1uF
D
C60
R80
1uF
12K
C61
1uF
R87
6.8K
C81
1uF
C64
0.01uF
C78
0.01uF
+
C62
100uF/16V
C74
16pF
C65
1uF
R84
R86
1K
390
R90
Z1
47K
+
4.433619MHz-16
2SC1815
Q13
33
34
35
36
37
38
39
40
R106
1K
R108
470
C105
0.01uF
R119
2.2K
VIDEO
R114
OPEN
R115
OPEN
VB
VG
VR
R101
220
ABCL
X-TAL
V/C VCC
V/C GND
EXT/C IN
DRIVER VCC
DRIVER GND
MCU RESET
CHROMA APC FILTER
FAST BLANK
INV FBP OUT
MONITOR OUT
LOGIL GND
FBP IN
H OUT
DEF VCC
VDD DECOUPLING
R OUT
MCU5.7V
Y SW OUT
FSC OUT
P-ON CONT
SCL
SDA
CLK CONT
R IN
G IN
B IN
VP OUT
HVCO FB
G OUT
B OUT
32
R104
31
100
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R116
1M
R128
C119
0.01uF
2.2K
R126
2.2K
R123
2.2K
R125
22K
C118
0.01uF
+
C117
100uF/16V
R82
75
R88
47
C82
10uF/16V
75
R99
R102
OPEN
R107
470
R117
10K
R83
47K
E
Q10
KTC4376
R92
10K
C95
0.01uF
D8
MMBZ5V6ALT1
R118
2.2K
ST-3507-02
J3
1
2
3
4
5
VDD
1
2
3
4
5
ST-3507-02
D9
MMBZ5V6ALT1
RESET
FSC
STB
SCL
SDA
CLK
BLANK
R
G
B
VD
HD
MON
J4
A
B
C
D
E
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