Bang & Olufsen BeoVision 5 - 42 US Manual página 77

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6.16
Final check after repair, English
Test and adjustment after replacement of module(s)
XVC
VCX
CXV
R674
SC
R557
TPVAD
R477
Final check after repair
Preparations before adjustment
- Do not connect ESD-mat to PDP.
- Set the PDP and to receive a picture, eg. generate internal picture as dscribed on
page 6.12 Pixel test.
- Checking and adjusting voltage may be performed with a DC-voltmeter
(e.g. multi meter).
Ground is connected to the chassis in the PDP, if nothing else is specifi ed.
Measuring- and adjustment point please refer to illustrations below table.
- Use a non conductive tool for adjustment.
P
Power Supply
SC
Scan Out
SS
Sustain Out
Module
Test Point
P
TPVsus
P
TPVda
SC
TPVbk
SC
TPVad
SS
TPVe
Before reinstalling the PDP in the product run the self-check, page 6.11.
Please continue with "Test and adjustment after repair" and "Final check after
repair", page 5.14 and 5.15.
Value
Tolerance
Lable
± 1V
67 V
± 1V
Lable
± 5V
Lable
± 1V
Lable
± 1V
P
VSUS
VDA
Adjust at
Remark
R621
R646
Fixed value
R6443
R6477
R6774
TPVDA
TPVSUS
R774
TPVE
SS
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