Samsung SDC-415 Series Service Manual page 81

7-2-4 SDC-415/SDC-313 SERIES BACK PCB
(1) NA/ND/PA/PD TYPE
+5V
IRIS-O
IRIS-O
IRIS-ref
IRIS-PWM1
DAMP+
DAMP-
+5V
+5V
R21
10K(10J)
R20 100K(10J)
IRIS-SEL
KTC4075-GR(USM)
Q2
R19 2
150K(10F) C10
IRIS SELECTION
HIGH :
LOW :
GND
ST3 ST1
K-R
K-D
K-S
K-U
K-L
SW1 1230B
2 1
C21
0.1uF/16V(10ZO)
SW3 SW2 SW5
1230B 1230B 1230B
2 1 2 1 2
C23 C22
0.1uF/16V(10ZO) 0.1uF/16V(10ZO)
SW4
1230B
2 1
C24
0.1uF/16V(10ZO)
L300 C313
+5V-I
HB-1H1005-100JT R316
0.1uF/16V(10ZO) C312
C301 33uF/6.3V(A)
+
GND
R314 3.3K(10J)
2
3
+
C310
GND
IRIS-PWM1
R318
2.7K(10J)
DAMP+
DAMP-
R312
+5V-I
C311
+
R320
5.1K(10J)
P6
R322 Q1 R323
000(10J)
10K(10J)
GND
2
R324 C314
R321
R22 2.2K(10J)
NC(10J) 0.1uF/16V(10ZO)
10K(10J)
R23
2.7K(10J)
GND
IRIS-DET
BNC-JR(S)
VBS
ST5
ST4
D1 C12
KDS122(C3)
ST2
ST6
+5V
D2
1
KDS122(C3)
GND
C25
0.1uF/16V(10ZO)
T18 T20 T22
H1 H2 H3
PCB_M PCB_M PCB_M
GND
+5V
DMP+/N.C
DRV-/GND
GND GND GND
+5V
+5V
1uF/6.3V(16KQ)
12K(10F)
4
-
1 R306 100K(10J)
+
U300A
NJM3403AV
11
R305
6 100K(10J)
-
7
5
+
U300B
GND
2.2nF(2200pF)/50V(10KB)
C309 1uF/6.3V(16KQ)
R304 100K(10J)
R308 R310
10K(10J)
9 R309
-
8 13
R317 10
+
1K(10J) U300C 2.2K(10J) 12
+5V-I
R330
R325 R329 100(10J)
18K(10J) 1K(10J)
DAMP+
Q6 2 Q5
2SB1695K(2SA2048)
2 KTC4075-GR(USM)
110(10F)
R326
8.2K(10J)
820(10J)
GND GND
1 J2
AC2/GND
AC1/DC12V
T4
T2
GND
CN2
AC2/GND
LED-ON
2 1
2 1
IRIS-SEL 4 3
4 3 AC1/DC12V
K-R 6 5
6 5
K-L
8 7
8 7 IRIS-ref
K-D 10 9
10 9
IRIS-O
12 11
12 11
K-U +12V
14 13
14 13
K-S 16 15
16 15
VBS
18 17
18 17 DMP-/+9V
20 19
20 19
22 21 DRV+/V-IRIS
22 21
2200-DS-FM22
GND
T13
-81-
+12V
R25
KIA78L09F(SOT-89)
1K(10J)
R26
220K(10J) P4
LED1
BL-B2141Q
2
Q3 0.1uF/50V(16KB)
GND
IRIS-DET
DAMP-
DAMP-
HB-1M1005-601JT
C308 SW6
JSS2205
DC
1M5(10J)
VIDEO
- DRIVE+
14
+
U300D
DAMP+
P5
R328
C9
1uF/6.3V(16KQ)
R327
IRIS-DET
P1 P2
SHORT(Soldering) TM3
2 1
TM2
2 1
FC1 SHORT(Soldering)
N.C FC3
+ +
N.C
DC12V GND
AC24V AC24V
GND
T9 T11
T19
TM1
TM1
T17 T21
NA/PA USED
IRIS-PWM1
NA/PA USED
ND USED
ND USED
PD USED
T15
PD USED
D6
RB160M-40
1 2
U14
C92 C93
+12V INPUT
0.1uF/50V(16KB)
GND
BD1
HB-1M1005-601JT
0.1uF/16V(10ZO)
C28
BD2 CN1
DMP-/+9V
GND
1
DMP+/N.C
2
DRV+/V-IRIS
3
DRV-/GND
4
C27
0.1uF/16V(10ZO) 12505WS-04(ST/SMD)
BD3
HB-1M1005-601JT
GND
BD4
HB-1M1005-601JT
C26
NC(10)
GND
P3
GND
GND
TM1
BR-762C-3P
GND
GND
TM2 TM3 FC1 FC3
TM2 TM3 FC1 FC3
Short Short N.C N.C
SHORT SHORT NC NC
Short Short N.C N.C
SHORT SHORT NC NC
Filter Filter
N.C N.C
FILTER FILTER NC NC