Samsung CLP-300N Service Manual page 125

Main Board(4/15)
1 2
A
C211
DGND 15pF OSC5
ATS-49/U,12MHz,50ppm
+3.3V
U12
1
XIN/CLKIN XOUT
R190
2
0 VSS VDD
3
S1 FRSEL
B 4
S0 SSCLK
NR114
CY25811
R189
0 0
DGND
S0
0% N.C N.C
0.4% LOW N.C
0.5% 1 0
C
1.1% N.C 0
1.3% 0 0
[ SYSTEM CLOCK ]
D
+3.3V
R170
1K
+3.3V
U25
1
Vout
3
Vin
E
2
Vss
C277 C302
100nF XC61FN3112MR
DGND
[ SYSTEM RESET ]
F
1 2
1
B B B B
Service Manual
11-4
3 4
C129
C210
15pF
OSC2
+3.3V
C128
F1
STS104B
1 3 DGND
8
2
C194
7
100nF
6
DGND
5 R88 33
XI_MCLK
C178
15pF
C312
22pF
DGND DGND
+5V
S1
F2
STS104B
1 3
R115
2
10
C234
100nF
DGND
nRESET
CLX-3160FN ONLY
+3.3V
R121
Q11
R172
100 KSC1623-Y R142 300 1
3 Q9
NR6 KSB1151-Y
30K 3
1 2
2
R151
470K
+5V
D27
1nF
RB420D T147
2
R152 5.6K
1
Q12
KSA1182-Y
DGND
3
DGND
R162
3 4
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5 6
15pF C165 22pF
XI_VCLK XI_RTC
OSC3
MC-306,32.768KHz
XO_VCLK XO_RTC
15pF C155 22pF
ATS-49/U,12MHz,50ppm
DGND
[ VCLK ] [ RTC ]
+1.2V
U19
L9
2.2uH
7 6
PVIN SW
8 SVIN 5
SFB
R105 31.6K,1%
10 11
SHDN VSET
C243
4 12 22uF
SGND PSET
R109 280K,1%
C244
10uF
MVPG31
Vb
0
C308
47uF
16V
DGND
R161
56
56
VBIN
5 6
7 8
+3.3V
LED1
SLS-NNGA102TS
TEST_LED3
R175 5.1K
+5V +3.3V
F3
U24
STS104B
LD1117DT33C
2
1 3 3
IN OUT
GND
2
C255
C303 1
C301 100uF
10uF
100nF 16V
16V
DGND
L8
L5
DGND FGND
3301-000325|R3225_BEAD
Digtal Printing Division
Engineer K.C.LEE
R&D 5
Drawn by
TITLE:
R&D CHK S.D.AN
DOC CTRL CHK
CLP-300(N)/CLX-3160N(FN)
MFG ENGR CHK
Main_V0.11
Clock & Power On Reset
7 8
Schematic Diagram
A
B
C
D
E
Size
F
A3
4/15
Samsung Electronics