SAMSUNG DIGIMAX 200 SERVICE INFORMATION power-on

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If you have the following problem when the power is turned on.
. The camera is not working ar all although the power is on. . AF LED (green) is turned on when you press the power on button, but the camera
is not working
. TN LCD is turned on but the camera doesn't work.
How to repair
1. Check the version of power board.
2) Take out 2 screws on the power board, and disconnect the JP1 and JP3 which connect power board and Main board.
3) Check the version printed on the back of power board.
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SERVICE INFORMATION
SAMSUNG TECHWIN CO., LTD.
S/I NO.
DATE
MODEL
SUBJECT
TECHWIN
200207 2002/09/04 DIGIMAX 200 How to repair POWER ON DEFECT
V3.2 means Version 3.2
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2. If the version is below. replace it with version 3.3.
3. Repair as follow if the above problems still exist although the version is 3.3.
1) Check if U3 on the board is defective.
2. The voltage from the 5th and 11th pin of JP1 should be 1.8V.
1. Connect power supply and leakage current checker with the camera as shown in the picture 1. and check the value. the value should be under 200μA.
+
A
+
Check Power
D2
R35
5
11
JP1
R30
U3
U3
C 3
6
L7
C21
R26
C37
C38
R25
C20
C29
C18
DC(V
1.8V
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2) After checking as above, if you still have problems, replace U3 on the power board. And add R3 and C39 to R30.
4. Replace Y2 on main board, if the problem is not solved after following the above.
▶ How to replace Y2
1. Disassemble the Front, Top and Back cover.
2. When disassembling back cover, take out the screws marked on the picture below.
U3U3
PART NO. PART NAME 4719-0006-01A U3 2007-0432-01A R36 (10KΩ) 2007-0431-01A C39 (0.01uF)
U3U3
C39
R30
R36
SCREW (3PCS)
SCREW (3PCS)
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3. To check, assemble SM board(key board) and turn on the power board after shorting No. 21 and No. 23 on the SM board(key board0).
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Y2
PART NO. PART NAME
4719-0008-01A Y2
Short
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