Hardware Troubleshooting : SMPS
-19-
'CHECKING FLOW ABOUT INFERIOR SMPS' (MODEL NAME : FEL-42C1)
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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 DLV-32C7SMB
Страница 11: ...5 Block Diagram 11 Signal Block Diagram ZORAN...
Страница 40: ...10 Schematics Digital Board 40...
Страница 41: ...Schematics Digital Board 41...
Страница 42: ...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: ...11 Schematics SMPS 49 1 FEL 3237A DLV 32C7SMB DLV 37C7LMB...
Страница 50: ...Schematics SMPS 50 2 FEL 42C1 DLV 42C7LMB...
Страница 51: ...12 Mechanical Development Figure 51 1 DLV 32C7SMB...
Страница 52: ...Mechanical Development Figure 52 2 DLV 37C7LMB...
Страница 53: ...Mechanical Development Figure 53 3 DLV 42C7LMB...
Страница 54: ...DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA PRINTED DATE Dec 2006...