Samsung SDC-415 Series Service Manual page 82

7-2-4 SDC-415 BACK PCB
(2) SDC-415PH TYPE
+5V
HB-1H1005-100JT
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 R22
150K(10F) C10
10K(10J)
IRIS SELECTION R23
2.7K(10J)
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 1uF/6.3V(16KQ)
+5V-I
R316
0.1uF/16V(10ZO) C312
C301 33uF/6.3V(A)
+
GND
R314 3.3K(10J)
2
-
3
+
+
C310
GND
GND
IRIS-PWM1
R318
2.7K(10J)
DAMP+
DAMP-
R312 +5V-I
+5V-I
C311
+
R320
5.1K(10J)
P6
R322 Q1 R323
10K(10J) 000(10J)
GND
2
R324 C314
R321
2.2K(10J)
NC(10J) 0.1uF/16V(10ZO)
GND GND
IRIS-DET
BNC-JR(S)
VBS
1
ST5
ST4
D1 C12
ST2 KDS122(C3)
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
12K(10F)
4
1 R306 100K(10J)
U300A
NJM3403AV
11
R305
6 100K(10J)
-
7
5
+
U300B
C308
2.2nF(2200pF)/50V(10KB)
C309 1uF/6.3V(16KQ)
R304 100K(10J) 1M5(10J)
R308 R310
10K(10J)
9 R309
-
8 13
-
R317 10
+
1K(10J) U300C 2.2K(10J) 12
+
R330
R325 R329 100(10J)
18K(10J) 1K(10J)
DAMP+
Q6 2 Q5
2SB1695K(2SA2048)
2 KTC4075-GR(USM) R328
110(10F)
R326
8.2K(10J)
R327
820(10J)
GND
J2
T4
T2
GND
CN2
LED-ON 2 1
2 1
IRIS-SEL 4 3
4 3
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 14 13 +12V
14 13
K-S 16 15
16 15
18 17 VBS
18 17
DMP-/+9V
20 19
20 19
DRV+/V-IRIS
22 21
22 21
2200-DS-FM22
GND
T13
-82-
D6 RB160M-40
+12V
1
R25
KIA78L09F(SOT-89)
1K(10J)
R26
220K(10J) P4
LED1
BL-B2141Q
C92
2
Q3 0.1uF/50V(16KB)
T19
BD1
GND
HB-1M1005-601JT
IRIS-DET
DAMP-
DAMP-
BD2
HB-1M1005-601JT
SW6
JSS2205
DC
0.1uF/16V(10ZO)
VIDEO
BD3
HB-1M1005-601JT
DRIVE+
14
U300D
DAMP+
P5
C9
1uF/6.3V(16KQ)
IRIS-DET
T9 T11 P7
T17 T21
IRIS-PWM1
T15
2
U14
C93 +12V INPUT
0.1uF/50V(16KB)
GND
0.1uF/16V(10ZO)
C28
DMP-/+9V CN1
GND
1
DMP+/N.C
2
DRV+/V-IRIS
3
DRV-/GND
4
C27
12505WS-04(ST/SMD)
GND
BD4
HB-1M1005-601JT
C26
NC(10)
GND
P3
GND