SERVICE MANUAL
32
R-Y color difference signal output
2.37
8.5
5.91
33
Sub-carrier output for SECAM demodulation
0.35
6.78
5.96
34
3.58MHz crystal oscillator
2.54
8.02
6.04
35
4.43MHz crystal oscillator
2.53
8.02
6.04
36
APC low pass filter
4.99
9.37
6
37
Horizontal starting supply voltage
8.22
2.64
2.56
38
Composite video output
3.68
7.52
6.11
39
Black level stretch
4.95
9.26
4.93
40
Line drive pulse output
3.55
3.5
3.49
41
Horizontal flyback pulse input/sandcastle pulse
output
0.76
8.82
5.92
42
Line discriminator
3.66
8.81
6.04
43
Line discriminator
3.92
9.31
6.04
44
Ground
0
0
0
45
Vertical frequency parabola output
0.73
9.05
5.97
46
Field drive signal output
2.32
9.3
5.97
47
Field drive signal output
2.35
9.3
5.97
48
IF signal input
4.62
8.52
6.2
49
IF signal input
4.62
8.52
6.2
50
High voltage detection input
2.05
8.04
6.14
51
Vertical sawtooth generation
3.8
8.65
6.09
52
Vertical reference bias setting
3.9
8.89
6.05
53
AGC filter for IF amplifier
4.49
9.25
6
54
AGC output for IF amplifier
0.67
10.05
5.82
55
Audio deemphasis
2.93
8.93
6.12
56
Audio decoupling
4.02
9.37
6.08
Table 6 Functions and Service Data of TDA8350 (N401)’s Pins
Digital Multimeter
Pin
No.
Function Description
Reference
Voltage (V)
Positive
Resistance (K
)
Negative
Resistance (K
)
1
Vertical drive input (positive)
2.32
9.4
5.84
2
Vertical drive input (negative)
2.3
9.4
5.87
3
Feedback input
8.15
5.81
4.72
4
Supply voltage
16.27
7.99
7.62
5
Output 1
8.14
5.88
4.72
6
Not connected
0
7
Ground
0
0
0
8
Pump supply voltage input
46.94
4.29
9
Output 1
8.22
5.92
4.71
10
Guard output
0.28
8.51
5.899
11
Pincushion output
16.99
9.45
4.16
12
Pincushion input (negative)
0.25
9.12
5.93
13
Pincushion input (positive)
0
0
0
24
Содержание MCR61TF30
Страница 6: ...SERVICE MANUAL BLOCK DIAGRAMS FOR CHASSIS Structure Block Diagram 4 ...
Страница 8: ...SERVICE MANUAL Black Diagram for Remote Control Structure 6 ...
Страница 9: ...SERVICE MANUAL Block Diagram for Video Signal Processor 7 ...
Страница 30: ...SERVICE MANUAL Waveforms of Key Points IC DATA AND WAVEFORMS OF KEY POINTS continued 28 ...
Страница 31: ...SERVICE MANUAL 29 ...
Страница 32: ...SERVICE MANUAL 30 ...
Страница 33: ...SERVICE MANUAL 31 ...
Страница 44: ...FINAL WIRING DIAGRAM FOR MCR66R400 ...
Страница 47: ...MCR61TF30 Main Diagram Chassis CH 10C5 ...
Страница 48: ...MCR61TF30 A V I O Board Kine Board Power Supply and others Chassis CH 10C5 ...