— 7 —
Video Detection Coil Adjustment
TP2
VR300
TP5
Pattern
generator
Signal
generator
Oscilloscope
Adjust step form wave to read
0.8
±
0.05 Vp-p.
Signal
generator
Pattern
generator
Set
Oscilloscope
Input
Output
TP5
TP2
* Desolder the IF pad to open.
Contrast Adjustment
TP2
T201
TP4
Adjust for 2.0
±
0.2 V reading
on voltmeter.
Confirm that the marker is at
the middle of S-curve on oscil-
loscope.
Sweep
generator
Set
Oscilloscope
Voltmeter
Output
Input
* Desolder the IF pad to open.
TP2
TP4
AFT Coil Adjustment
Pattern
generator
Signal
generator
TP2
T200
TP3
Low-pass filter
Oscilloscope
Adjust for DC level at mini-
Input
Input
Input
Output
Output
Connection Point
Signal
Connection
Point
Adjust
Result
* Desolder the IF pad to open.
Signal
generator
Pattern
generator
Set
Low-pass
filter
Oscilloscope
Input
Output
TP3
TP2
Voltmeter
Oscilloscope
Sweep
generator
TV-600
TV-600
TV-600
Color bar
38.9 MHz (TV-
600C, I, N)
39.5 MHz (TV-
600D)
40
±
3 dB
µ
38.9
±
5 MHz
(Sweep) Marker: 38.9 MHz
70
±
3 dB
µ
(TV-600C, I, N)
39.5
±
5 MHz
(Sweep) Marker: 39.5 MHz
70dB
µ
(TV-600D)
Color bar 38.9
MHz
70
±
3 dB
µ
(TV-600C, I, N)
39.5 MHz 70 dB
µ
(TV-600D)
