Samsung DA99-00926B Specifications Page 68

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68
Diagnostics
CN70
PIN;F LAMP WIRE PINK
CN71
PIN;R LAMP WIRE BLACK
R DOOR SIGNAL MICOM #43
OPEN :0V,CLOSE :5V
F DOOR SIGNAL MICOM #42
OPEN :0V,CLOSE :5V
FLA MP#24
RLA MP#29
F LAMP IC70 #13
F LAMP IC70 #16
FLA MPK73
RLA MPK75
NO
Is the contact
state of connector CN70 & CN71
normal?
Re-check the ccutact of the
connector CN70 & CN71
Normal / Re-check
YES
NO
NO
NO
NO
Check connector CN30,
soldering & short/Change PCB
Are the
voltages of MICOM #42 &
#43 for DOOR SWITCH
normal?
Are MICOM #24 &#29
"HIGH"(5V)?
Are IC70 #13 &#16
"LOW"?
Are lamp controlling
relay (K73 &K75)
normal?
YES
Change PCB
Change PCB
YES
Change PCB
Refer to the list (15-1)
YES
YES
NO
Is Room LAMP(R,F)
normal?
Change LAMP
NO
Is DOOR SWITCH normal?
Change DOOR SWITCH
YES
NO
DOOR OPEN
Is DOOR OPEN?
Start
YES
YES
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