SAMSUNG DIGIMAX A402 SERVICE INFORMATION strobe defect

Service Information

S/I NO.

DATE MAY. 10. 2005

MODEL A302, A402

SUBJECT

1. Phenomenon

-. Set the fill in flash and while using the strobe continually, sometimes flash

doesn't work.

-. Sometimes, flash doesn't work and the taken image is over or under exposure.

-. Flash doesn't work after strobe comes out a lot.

2. Solution

-. Defect of strobe has been related to Q2 on the Shutter Board.

-. If Q2 has been destroyed, change it and reinforce the trigger line.

1) Remove the R11 at the top of Shutter board and connect C1 GND with Q2 at the

bottom of Shutter board with Lead wire.

2)Change R13 : 10R

05CG58001

Strobe defect

→→→→

47R, C4 : 0.01uF->0.02uF

<Move to the next page to see working position>

3. etc.

-. After changing parts, update the Firmware 0520

FLASH PCB TOP

FLASH PCB BOTTOM

<Working position>

(

Í)

Á¦

R11 » è

Remove R11

Q2의 Bat GND 불안(

RemoveR11toreinforcetheQ2Trigger

삭제후

line, and then, connect the lead wire C1

GND. Change R13

Battery GND 보강

부

10->47ohmÀ¸·Î º¹±

R13

원거리/라인폭)으로

결선용

L/W와

from 10R to 47R

R11

하단

Hand-made L/W

C4:0.01-> 0.02uF

C4 0.01uF->0.02uF