Casio TV-5100B, Руководство по обслуживанию и список запасных частей

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— 5 —
Video Detection Coil Adjustment
TP2 VR301 TP5
Pattern
generator
Signal
generator
Color bar
45.75 MHz
70 dB
µ
Oscilloscope
Adjust step form wave to read
2.5
±
0.1 Vp-p.
* Open soldering pad IF.
Contrast Adjustment
TP2 T201 TP4
Adjust for 1.4
±
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
* Open soldering pad IF.
TP2
TP4
AFT Coil Adjustment
Pattern
generator
Signal
generator
TP2 T200 TP3
Low-pass filter
Oscilloscope
Color bar
45.75 MHz
45
±
3 dB
µ
Adjust for DC level at mini-
Input Input Input Output Output
Connection Point Signal Connection Point
Adjust Result
* Open soldering pad IF.
Signal
generator Pattern
generator
Set
Low-pass
filter
Oscilloscope
Input Output
TP3
TP2
Voltmeter
Oscilloscope
Sweep
generator
45.75
±
5 MHz
(Sweep) Marker:
45.75 MHz
70 dB
µ
TV-5100
TV-5100
Set
Pattern
generator Signal
generator
Input
TP2
Output
TP5
Oscilloscope
VCC2-3(5V)
10 kohm
CP302
TV-5100