Onwa KR-1338, Service Manual

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Test Point on MAIN 0910
Tes t
Point
Test Item Ratings Remarks
TP1
TRIGGER
3.3 Vpp
VIDEO
Gain level preset
TX Condition
4
20
40
60
90
S: 1.0V to 1.2V
S: 2.0V to 2.3V
S: 2.6V to 2.8V
S: 3.0V to 3.2V
S: 4.0V to 4.5V
GAIN VR: MAX
STC VR: MAX
STC Curve
-4 Vpp
(Neg. Polarity, main bang level)
8 to 12V
VIDEO Preset
TX TRIGGER
TP2
TP3
TP4
TP5
TP6
-4 Vpp
TX Condition
MAIN 0910 Board
TP2
TP3 TP4
TP5
TP1
TP6
VR3
VR1
VR2
KR-1338-SMC-10
TX Condition
Location of parts on MAIN 0910
24