Samsung CLP-600 Series Service Manual page 222

Main Board(15/21)
1
[SMPS]
CN28-1
+24V
A
+24V
24V2
B
+24V
C
FGND
+5V
D
DGND
n24V_EN_OUT
L36
E
C326
DGND
[FUSER_CONTROL]
CN201-1
+24VF
nHEATER_ON
L37
F
Samsung Electronics
2 3
[HVPS 1]
CN2-1
+24VF
C329
FGND
Check 24V?
C287
C305
FGND
5V
Check 5V?
C246 [HVPS 2]
C243
CN22-1
DGND
+5V
C330
U10-5
n24V_EN
nHEATER_ON
DGND
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4 5
Test point for power pin
+24VF +24VF +3.3V DGND2
+5VL
DGND4 DGND5 GNDA1
DGND3 DGND1
5 4 1 2
+5VL
DGND DGND GNDA
RA60
PWM_AC_1
PWM_AC_VPP_1
PWM_DEVE_DC_1
C531
nENB_DEVE_AC_1
RA61
DGND
PWM_AC_2
PWM_AC_VPP_2
PWM_DEVE_DC_2
nENB_DEVE_AC_2
RA62
PWM_AC_3
PWM_AC_VPP_3
PWM_DEVE_DC_3
nENB_DEVE_AC_3
[COVER SW]
R365
PWM_AC_4
+24V
R366 CN202-1
PWM_AC_VPP_4
R363
PWM_DEVE_DC_4
R364
nENB_DEVE_AC_4
RA64
DGND
PWM_CHARGER
PWM_T_2
PWM_T_1
RA63
PWM_T_4
PWM_T_3
nENB_ATTR-
+24VF
PWM_ATTR+
nS_5V_OFF D33
R101
AN_READ_CHA
AN_READ_T_1
R151
C102
AN_READ_ATTR
DGND
6 7
+5V +5V
Q30
Q28
R589
+5V
R588
COVER_CLOSED
Q29
R544
DGND
R557
nS_5V_OFF
Q27
DGND
+24VF
+3.3V
Check 24VF?
24VF
C251
C249 NC33 NC34 NC30
330UF 100nF 1000uF
6.3V 16V
FGND DGND
+24VF
C551 C545 C546 C547 C548
+3.3V
DGND
* Decoupling CAP for reduce Impedance of 24VF
DGND
05.04.01
nS_5V_OFF
Schematic Diagram
8
A
+5VL
2703-002539
L43
R591
C561
DGND
B
C
NC32 NC35 NC31
330UF 100nF 1000uF
6.3V 16V
C549 C550
CLP-600
daVinci MAIN GDI
Rev 0.4
SMPS & HVPS
15/21
Service Manual
11-15