Fwd-50Px2 Ydt & Ydb Resistance Check - Sony PFM42V1 Triage & Troubleshooting Manual
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Also See for PFM42V1:
- Operating instructions manual (54 pages) ,
- Protocol manual (20 pages) ,
- Supplement manual (11 pages)
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VOM
~3MΩ
Ohms
COM
VΩ
VOM
~3MΩ
Ohms
COM
VΩ
PDP-04
FWD-50PX2 YDT & YDB
Resistance Check
YDT
YDB
FWD50PX2 Troubleshooting
CAUTION: Remove power from
unit before making the
resistance measurement
NOTE: The resistance
measurement between the com
and VS voltage pads should
read approximately 3M ohms
with voltmeter leads oriented as
shown in the diagram. If the
voltmeter leads are reverse the
reading will be infinite.
A typical faulty reading is 500
ohms. Replace the YDT or YDB
if a low resistance is measured.
46
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Troubleshooting
