Top Pcb-2 - Samsung PL120 Service Manual

9.10. TOP PCB-2

5VCC_IGBT
LED229
1 2
S P K_N S P K_P
TP TP
MIC_P MIC_N
TP TP
C239
D121
33NF
16V
AGND
AGND
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R231
56R
5%
VBAT 5VCC_IGBT
C
3
Q201 B 2
04-6843-729-000-846
KRC407E
2
1
E
AF_LED 4
6
AGND
S P K_P 8
S P K_N 10
12
MIC_N 14
MIC_P 16
18
C237 C238 C240
33NF 15nF/16V 15nF/16V
20
16V 16V 16V
22
24
AGND AGND AGND
26
28
30
31
AGND
CP WR VBAT
J 239
1 KEY_S H1
1
2
3
3
4
5 KEY_S H2
5
6
7
7
8
9 P OWER_KEY
9
10
11 C257
11
1000nF/10%
12
16V
13
13
14
15 AGND FRONT_KEY
15
16
17 17
18
19 19
S TR_READY
20
21 21
S TR_CHARGE
22
23 23
S TR_TRIG
24
25
25
26
27
27
28
29
29
30
31
AGND
S W230
S KS DP BE010
2 1
2 1
4 3
4 3
6 5
C236 C233
GND1 GND0
47NF 47NF
16V 16V
AGND
AGND
CP WR
C254 C256 S W205
1000nF/10% 1000nF/10% S KRWAEE030
16V 16V
AGND AGND
S W206
3 1
D122
AGND
AGND
9. Schematic Diagrams
9-10