Main-2 - Samsung MX-F730 Service Manual

6.4. MAIN-2

FRON T_L FRON T_L
AUDIO
PWM_AM PWM_AM
IR_SD IR_SD ALQ2 ALQ2
2S A1037AK 2S A1037AK
ALQ1 ALQ1
ALR6 ALR6
SRC1 203 S SRC1 203 S
22 0OHM 22 0O HM
C C
B B
E E
DGND DGND
10 UF 10 UF
10 V 10 V
FRON T_R FRON T_R
10 0PF 10 0PF
PWM_AM2 PWM_AM2
A+5V_PW A+5V_PW
IR_SD IR_SD ARQ2 ARQ2
2S A1037AK 2S A103 7AK
ARQ1 ARQ1
ARR6 ARR6
SRC1 20 3S SRC1 20 3S
22 0OHM 22 0OHM
C C
B B
E E
DGND DGND
Copyright© 1995-2013 SAMSUNG. All rights reserved.
ALC1 ALC1
10UF 10 UF
ALR1 ALR1 ALR3 ALR3
10 V 10V 100KOHM 100KOHM
1.8KOHM 1.8KOHM
1/16W 1/16W
12KOHM 12KOHM
100PF 10 0PF
ALR2 ALR2 ALR4 ALR4
ALC2 ALC2
47KOHM 47KOHM
1NF 1NF
ALC5 ALC5
ALC4 ALC4 ALR5 ALR5 ALC6 ALC6
1/10W 1/10W
A+5V_PW A+5V_PW
510OHM 510OHM
1NF 1NF 1NF 1NF
ALR10 ALR10
4.7OHM 4.7OHM
A-5V_PW A-5V_PW
ALR9 ALR9 DGND DGND
4.7OHM 4.7OHM
CSD CSD
ALR11 ALR11
ALD2 ALD2
1N4148 WS 1N4148 WS 220OHM 220OHM
ARC1 ARC1
ARR1 ARR1
ARR3 ARR3
100KOHM 100KOHM
1.8KOHM 1.8KOHM
1/16W 1/16W
12KOHM 12KOHM
ARR4 ARR4
ARC2 ARC2 ARR2 ARR2
47KOHM 47KOHM
1NF 1NF
ARC5 ARC5
ARC4 ARC4 ARR5 ARR5
ARC6 ARC6
1NF 1NF 510O HM 51 0O HM
1/10W 1/10W 1NF 1NF
ARR10 ARR10
4.7OHM 4.7OHM
A-5V_PW A-5V_PW
DGND DGND
ARR9 ARR9
4.7OHM 4.7OHM
CSD CSD
ARR11 ARR11
ARD2 ARD2
1N4148 WS 1N4148 WS 220OHM 220OHM
1/10W 1/10W
ALD3 ALD3
3.9KOHM 3.9KOHM BAV20WS-V BAV20WS-V
ALR14 ALR14
AIC1 AIC1
IRS2 092STRPBF IRS2 092STRPBF
1 1 16 16
VAA VAA CSH CSH
15 15
2 2
GND GND VB VB
14 14
3 3
IN- IN- HO HO
4 4 13 13
COMP COMP VS VS
12 12
5 5
CSD CSD VCC VCC
6 6 11 11
VSS VSS LO LO
7 7 10 10
VREF VREF COM COM
9 9
8 8
OCSET OCSET DT DT
ALR22 ALR22
10OHM 10OHM
8.2 K/3.3K: 65NS 8.2 K/3.3K: 65NS
5.6 K/4.7K:40NS 5.6 K/4.7K:40NS
1/10W 1/10W
ARD3 ARD3
3.9KOHM 3.9KOHM BAV20WS-V BAV20WS-V
ARR14 ARR14
AIC2 AIC2
IRS2 092STRPBF IRS2 092STRPBF
1 1 16 16
VAA VAA CSH CSH
2 2 15 15
GND GND VB VB
14 14
3 3
IN- IN- HO HO
4 4 13 13
COMP COMP VS VS
12 12
5 5
CSD CSD VCC VCC
11 11
6 6
VSS VSS LO LO
7 7 10 10
VREF VREF COM COM
9 9
8 8
OCSET OCSET DT DT
ARR22 ARR22
10OHM 10OHM
8.2K/3.3K: 65NS 8.2K/3.3K: 65NS
5.6K/4.7K:40NS 5.6K/4.7K:40NS
37V_PW 37V_PW
-25V_PW -25V_PW
IRF6645 IRF6645
ALR19 ALR19
ALQ31 ALQ31
3.3OHM 3.3OHM
1 1 7 7
2 2 6 6
ALD4 ALD4
ALR20 ALR20
5 5
ES1D-13 -F ES1D-13 -F
3.3OHM 3.3OHM
3 3 4 4
33OHM 33OHM
1/10W 1/10W
ALR21 ALR21
S_GND S_GND
33OHM 33OHM
IRF6645 IRF6645
1/10W 1/10W
ALQ41 ALQ41
ALR26 ALR26
1 1 7 7
2 2 6 6
5 5
3 3 4 4
ALD5 ALD5
-37V_PW -37V_PW
UR101 UR101
2203-007598 2203-007598
37V_PW 37V_PW
-25V_PW -25V_PW
ARR19 ARR19
IRF6645 IRF6645
3.3OHM 3.3OHM ARQ31 ARQ31
1 1 7 7
ARD4 ARD4 ARR20 ARR20
2 2 6 6
ES1D-13 -F ES1D-13 -F
3.3OHM 3.3OHM
5 5
3 3 4 4
33OHM 33OHM
1/10W 1/10W
ARR21 ARR21
S_GND S_GND
33OHM 33OHM
1/10W 1/10W
ARR26 ARR26 IRF6645 IRF6645
ARQ41 ARQ41
1 1 7 7
2 2 6 6
5 5
3 3 4 4
ARD5 ARD5
-37V_PW -37V_PW
UR101 UR101
2203-007598 2203-007598
6. Schematic Diagram
DCP DCP
22.0UH 22.0UH
L2001 L2001
S_GND S_GND
SP K2 SP K2
4 4
2 2
1 1
3 3
S_GND S_GND
DCP DCP
22.0UH 22.0UH
L2002 L2002
S_GND S_GND
6-4