Samsung MX-F870 Service Manual page 25

AIC4
AR81 AR81
AC62 AC62
22KOHM 22KOHM AR83 AR83
100PF 100PF
47KOHM 47KOHM
AC64 AC64
AC63 AC63
AR84 AR84
510OHM 510OHM
A5V_PW A5V_PW
1NF 1NF
1/10W 1/10W
AR85 AR85
4.7OHM 4.7OHM
A-5V_PW A-5V_PW
AR86 AR86
4.7OHM 4.7OHM
AD10 AD10
IR_SD2 IR_SD2
1N4148W S 1N4148W S
CSD CSD
AC27 AC27 AR32 AR32
AR34 AR34
10UF 10UF 1.8KOHM 1.8KOHM
100KOHM 100KOHM
1/10W 1/10W
AR35 AR35
AC28 AC28 AR33 AR33
100PF 100PF 22KOHM 22KOHM 47KOHM 47KOHM
AC29
AC29 AR36 AR36
1NF 1NF
510OHM 510OHM
A5V_PW A5V_PW
AR37 AR37
4.7OHM 4.7OHM
AQ3 AQ3
A-5V_PW A-5V_PW
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(1)
AIC3
AIC1
SCN1
1NF 1NF
AC65 AC65
1NF 1NF
AGND AGND
UNDEFINED UNDEFINED
AR87 AR87
AD14 AD14
1N4148W S 1N4148W S 220OHM 220OHM
220: 420KHZ 220: 420KHZ
390:520 390:520
AC30 AC30
1NF 1NF
AC31 AC31
1NF 1NF
(1)
AIC2
* 5.2. MAIN P CB Top
AR96 AR96
3.9KOHM 3.9KOHM
1/10W 1/10W
AIC3 AIC3
IRS2092STRPBF IRS2092STRPBF
16 16
1 1
VAA VAA CSH CSH
15 15
2 2
GND GND VB VB
3 3 14 14
IN- IN- HO HO
13 13
4 4
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
(1)
8.2K/3.3K: 65NS 8.2K/3.3K: 65NS
5.6K/4.7K:40NS 5.6K/4.7K:40NS
2.0CH&2.1C H OPEN 2.0CH&2.1C H OPEN
(1)
1/10W 1/10W
3.9KOHM 3.9KOHM
AR42 AR42
IRS2092STRPBF IRS2092STRPBF
AIC2 AIC2
1 1 16 16
VAA VAA CSH CSH
2 2 15 15
GND GND VB VB
3 3 14 14
IN- IN- HO HO
4 4 13 13
COMP COMP VS VS
5 5 12 12
CSD CSD VCC VCC
6 6 11 11
VSS VSS LO LO
7 7 10 10
VREF VREF COM COM
8 8 9 9
OCSE T OCSE T DT DT
AR47 AR47
<Fig. 4-2>
4. Troubleshooting
(1)
AD15 AD15
BAV20WS-V BAV20WS-V
-51V -51V
AR100 AR100
3.3OHM 3.3OHM
AD16 AD16
AR101 AR101
ES1D -13-F ES1D -13-F 3.3OHM 3.3OHM
AR102 AR102
1/10W 33OH M 33OH M
1/10W
33OH M 33OH M
AR92 AR92
1/10W 1/10W
10OH M 10OH M
AR93 AR93
ALD2 ALD2
UR101 UR101
UNDEFINED UNDEFINED
BAV20WS-V BAV20WS-V
AD7 AD7
-51V -51V
3.3OHM 3.3OHM
AR50 AR50
UNDEFINED UNDEFINED
D1 D1
3.3OHM 3.3OHM
AR51 AR51
ES1D -13-F ES1D -13-F
33OH M 33OH M
1/10W 1/10W
AR52 AR52
10O HM 10O HM
33OH M 33OH M
1/10W 1/10W
AR53 AR53
AFT07 AFT07
IRF6775MTRPBF IRF6775MTRPBF
1 1 7 7
2 2 6 6
5 5
3 3 4 4
S_GN D S_GN D
AFT08 AFT08
IRF6775MTRPBF IRF6775MTRPBF
1 1 7 7
2 2 6 6
5 5
3 3 4 4
-63V -63V
2203- 007598 2203- 007598
+63V +63V
UNDEFINED UNDEFINED
IRF6775MTRPBF IRF6775MTRPBF
AFT03 AFT03
1 1 7 7
2 2 6 6
5 5
3 3 4 4
S_GN D S_GN D
UNDEFINED UNDEFINED
IRF6775MTRPBF IRF6775MTRPBF
AFT04 AFT04
1 1 7 7
2 2 6 6
* 6.8. MAIN-7
4-5