Hardware Troubleshooting : SMPS
-21-
'CHECKING FLOW ABOUT INFERIOR SMPS' (MODEL NAME : FEL-42C2)
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3. 5V's Out-put voltage is measured too high or low.
A. Checking open and short of IC7.
B. Checking open and short of R24, R25.
C. Checking open and short of IC6.
4. 5V's Out-put voltage is work with intermittent mode.
A. Is R5's condition good from open and short?
YES
: changing R5.
NO
: Checking 1.3 and 1.4 items.
(Checking open and short of MAIN BOARD if that 1, 3 and 1.4 items are no problem.)
5. Out-put voltage(DC12v, 24v, 30v) is measured too high.
A. Checking open and short of IC5.
B. Checking open and short of R44, R43.
C. Checking open and short of IC4.
6. Out-put voltage(DC12v, 24v, 30v) is measured too low.
A. Checking open and short of IC5.
B. Checking open and short of R44, R43.
C. Checking 2.3 item.
Содержание DLA-32C7LMBD
Страница 13: ...5 Block Diagram 13 DLA 32 37 42LMBD BLOCK DIAGRAM...
Страница 42: ...10 Schematics Digital Board 42...
Страница 43: ...Schematics Digital Board 43...
Страница 44: ...Schematics Digital Board 44...
Страница 45: ...Schematics Digital Board 45...
Страница 46: ...Schematics Digital Board 46...
Страница 47: ...Schematics Digital Board 47...
Страница 48: ...Schematics Digital Board 48...
Страница 49: ...Schematics Digital Board 49...
Страница 50: ...Schematics Digital Board 50...
Страница 51: ...11 Schematics SMPS 51 1 FEL 3237A DLA 32 37C7LMBD...
Страница 52: ...Schematics SMPS 52 2 FEL 42C2 DLA 42C7LMBD...
Страница 53: ...12 Mechanical Development Figure 53 1 DLA 32C7LMBD...
Страница 54: ...Mechanical Development Figure 54 2 DLA 37C7LMBD...
Страница 55: ...Mechanical Development Figure 55 3 DLA 42C7LMBD...
Страница 56: ...DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA PRINTED DATE Dec 2006...