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Tandy 26-3334 Service Manual page 70

Color computer 3 ntsc/pal version with 512k expansion ram card
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lt411
PAL Version
Waveform 1
Waveform 2
Waveform 3
CVIDEO & HSYNC
Color Burst Signal
&
HSYNC
Red
&
HSYNC
CH A: Composite Video (TP.7)
0.5V/DIV
CH B: HSYNC (Pin 8 of CN3)
2V/DIV
Horizontal: lOµsec/DIV
Trigger:
INTERNAL CH A
CH A: Color Burst Signal (TP.7)
O.SV/DIV
CH B: HSYNC (Pin 8 of CN3)
2V/DIV
Horizontal: O.Sµsec/DIV
Trigger:
INTERNAL CH A
CH A: Red Signal of RGB (TP.8)
0.5V/DIV
CH B: HSYNC (Pin 8 of CN3)
2V/DIV
Horizontal: lOµsec/DIV
Trigger:
INTERNAL CH B
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