Main-1 - Samsung MX-F730 Service Manual

6. Schematic Diagram

6.3. MAIN-1

OPLCH OPLCH
OPRCH OPRCH
FROM SMPS FROM SMPS
DGND2 DGND2
M5.1V3 M5.1V3
PCN2 PCN2
A-5V A-5V 1 1
M5.1V M5.1V 2 2
M5.1V M5.1V 3 3
4 4
DGND DGND
5 5
DGND DGND
6 6
+VFD +VFD
7 7
P-ON P-ON
8 8
-37V -37V
9 9
-VP
10 10
-37V
11 11
-VFD
12 12
SGND
13 13
+37V
14 14
SGND
15 15
+37V
SGND2 SGND2 +37V3 +37V3
-37V2 -37V2
-37V3 -37V3 SGND3 SGND3
+37VA +37VA
SGNDA SGNDA
-37VA -37VA
6-3
AR4FL AR4FL
33KOHM 33KOHM
AC1FL AC1FL AR1FL AR1FL AR2FL AR2FL
10UF 6.3V 10U F 6.3V 8.2KOHM 8.2KOHM 2.7KOHM 2.7KOHM
AR3FL AR3FL
1.2KOHM 1.2KOHM
AC2FL AC2FL
AC3FL AC3FL
1.5NF 1.5NF
1.5NF 1.5NF
50V 50V 50V 50V
AC2FR AC2FR AC3FR AC3FR
DGND DGND
1.5NF 1.5NF
1.5NF 1.5NF
50V 50V
50V 50V AR3FR AR3FR
1.2KOHM 1.2KOHM
AC1FR AC1FR AR1FR AR1FR AR2FR AR2FR
10U F 6.3V 10UF 6.3V 2.7KOHM 2.7KOHM
8.2KOHM 8.2KOHM
33KOHM 33KOHM
AR4FR AR4FR
A-5V_PW A-5V_PW
VP- VP-
M5.1V_PW M5.1V_PW
VFD- VFD-
VFD+ VFD+
P_ON P_ON
16V 16V
220U F 220U F
PC1 PC1
DGND DGND
+37V +37V
37V_PW 37V_PW
PVDD+3 7V PVDD+3 7V
50V 50V
2.2MF 2.2MF
APC3 APC3
SGND SGND
50V 50V
2.2MF 2.2MF
APC4 APC4
S_GND S_GND
-37V -37V
FRONT_L FRONT_L
A+5V_PW A+5V_PW
AC4FL AC4FL
120PF 120PF
50V 50V
AR5F AR5F
10OHM 10OHM
AC5F AC5F
100NF 100NF A-5V_PW A-5V_PW
AC6F AC6F
100NF 100NF
DGND DGND
AR6F AR6F
10OHM 10OHM
AC4FR AC4FR
120PF 120PF
50V 50V
A-5V_PW A-5V_PW
DGND DGND
FRONT_R FRONT_R
0OHM 0OHM
MSR1 MSR1
MSR2 MSR2
0OHM 0OHM
S_GND S_GND
DGND DGND
TP TP
TP1001 TP1001
-37V_PW -37V_PW
10KOHM 10KOHM
CSD CSD
IR_RST IR_RST
10KOHM 10KOHM
AQ4 AQ4
C C
B B
KST2222A-TF KST2222A-TF
E E
C C
AQ1 AQ1
B B
SBT42 SBT42
E E
R10043 R10043
R10042 R10042
R10041 R10041
S_GND S_GND
TP TP
PVDD-37V PVDD-37V
Copyright© 1995-2013 SAMSUNG. All rights reserved.
DCP DCP
AR4 AR4
-25V_PW -25V_PW
S_GND S_GND
AQ6 AQ6
2SA1037AK 2SA1037AK
AQ5 AQ5
2SA1037AK 2SA1037AK
AR3 AR3
S_GND S_GND
AR10 AR10
22KOHM 22KOHM
C C
AQ3 AQ3
B B
SBT42 SBT42
E E
-37V_PW -37V_PW
-25V_PW -25V_PW
1/4W 1/4W
390OHM 390OHM
1/4W 1/4W
390OHM 390OHM
Q1001 Q1001
1/4W 1/4W KTC4378 KTC4378
390OHM 390OHM
TP TP
GVDD-25V GVDD-25V
R1005 R1005
1/10W 1/10W
6.81KO HM 6.81KO HM
D1005 D1005
SDZ6V2G SDZ6V2G
6.2 6.2
D1001 D1001
SDZ7V5G SDZ7V5G
7.5 7.5