Casio TV-600C - Page 8

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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 dBµ
38.9 ± 5 MHz
(Sweep) Marker: 38.9 MHz
70 ± 3 dBµ (TV-600C, I, N)
39.5 ± 5 MHz
(Sweep) Marker: 39.5 MHz
70dBµ (TV-600D)
Color bar 38.9
MHz
70 ± 3 dBµ
(TV-600C, I, N)
39.5 MHz 70 dBµ
(TV-600D)