Samsung SCX-82x0 series Service Manual page 284

● Troubleshooting method : ● T
bl h ti
5. If there is no problem, turn the machine on.
6. Check whether the motor moves by SVC mode.
(Diagnostics > Engine Diagnostics > Engine Test
a. If the motor does not operate If th t d
1) Check the signals and voltage by DVM.
(Refer to 8. System Diagram)
2) If output signal is normal, replace MOTOR-BLD
3) If not,
a) 24V power supply is not generated : replace SM
b) A output signal is not normal :
replace MAIN BOARD(8240 : JC92-02587A / 8
5V
b. If the motor operates,
a) Check the connections between BLDC motor a
b) If there are some problems at 8 pin connector, r
JC92-02587B) .
Service Manual
7. Troubles
th d
t t
24V
GND
shooting
t Routines > 100-0300)
DC(JC32-00123B).
MPS(JC44-00100C)
8230 : JC92-02587B)
nd Main board.
replace MAIN BOARD(8240 : JC92-02587A / 8230 :
7-A A-6
SAMSUNG ELECTRONICS