RCA MCR61TF30 Service Manual page 26

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