Samsung P42HN Service Manual page 67

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Schematic Diagram
7-2-6
POWER SOUND PROCESS
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Power
+5.3V_STB
32
R604 NC
CN601
40/46 R605 NC
+12V_MULTI
R619
LM316-030-TF1
100KOHM
30
29
28
27
R604
26
0OHM
25
24
NC
R605
23
0OHM
22
21
20
C602
C603
19
100UF
100NF
18
25V
25V
17
16
15
14
13
12
AMP_POWER
11
10
9
8
7
+5.3V_STB
C607
6
5
47UF
4
16V
3
C605
2
R606
16V
1
LHSYNC
100OHM
47UF
C601
100PF
50V
R615
MULTI_POWER_CTL
100OHM
PNL_HSYNC
+5.3V_STB
R617
4.7KOHM
FAN
+12V_MULTI
F601
0467003.NR
SI9933BDY-T1-E3
R611
R616
3.9KOHM
3.9KOHM
R609
R612
R613
470OHM
3.9KOHM
3.9KOHM
D
4.7KOHM
Q605
G
FAN_PWM
R601
S
STK7002
C606
R618
100NF
20KOHM
25V
R614
+5V_MULTI
4.7KOHM
10KOHM
C
B
Q608
2SC2412K-Q
E
R603
C
FAN_CTRL
B
Q606
2SC2412K-Q
4.7KOHM
E
FAN_VCC
FAN_NOR
C
B
C604
E
Q607
R607
100NF
R610
1KOHM
KSA1182-Y
25V
1KOHM
R602
C
FAN_CTRL
B
4.7KOHM
E
Q604
2SC2412K-Q
7-8
+5V_MULTI
+3.3V_COMMON
R620
R624
4.7KOHM
4.7KOHM
R621
CHK_LAMP
0OHM
R623
100OHM
R629
STK7002
D
Q609
R622
G
BL_EN
0OHM
4.7KOHM
S
32 USE
C615
C616
16V
16V
40/46 NC
10UF
10UF
+5V_MULTI
+3.3V_SOUND
BD601
1
3
OUT
IN
OUT
IC601
NC
C610
GND
C609
C613
APL1117-33VC-TRL
C617
R628
10UF
100NF
100UF
47UF
5.1KOHM
16V
16V
6.3V
16V
TEMP_DET
C608
C618
100NF
100NF
P601
25V
16V
TSM1A103J39H3RZ-KB050819
FAN_VCC
+5V_MULTI
R626
10KOHM
CN603
L601
C611
TP629
-
-
47UF
C614
3
16V
100NF
FAN_NOR
-
2
Q601
25V
1
FAN1
TP630
1
8
2
7
3
6
SMW200-03G
4
5
FAN_PIV
C612
100NF
25V
+5V_MULTI
R627
10KOHM
FAN_VCC
CN604
TP631
-
3
-
2
1
FAN2
TP632
SMW200-03G
+5V_MULTI
CN602
TP627
-
4
3
FAN_PIV
-
2
1
FAN3
TP628
SMW200-04G
+12V_MULTI
D602
R630
2.2KOHM
+5.3V_STB
D603
BL_BRT
C620
100UF
+3.3V_LPM
25V
R632
DVI_POWER_CTL
4.7KOHM
+5.3V_STB
R634
10KOHM
R633
ENERGY_SAVING
4.7KOHM
MGND2
MGND1
+3.3V_COMMON
MGND2
IC604
SC1566I5M-2.5TRT
MGND1
R631
10KOHM
C619
100NF
25V
MGND2
MGND1
32" USE
40/46 NC
+3.3V_COMMON
R637
10KOHM
IC602
AOZ1021AIL
L602
1
8
4.7UH
2
PGND
LX
7
3
VIN
LX
6
AGND
EN
R644
4
5
NC
FB
COMP
27KOHM
1%
C630
100NF
R645
C627
C633
R642
25V
4.7KOHM
C621
20KOHM
1NF
10UF
1%
1%
100NF
50V
16V
C626
R646
50V
10KOHM
1NF
1%
+3.3V_DVI
+3.3V_COMMON
BD607
+5.3V_STB
MMZ2012R121A
BD602
+5.3V_STB_SAVING
Q602
MMZ2012R121A
1
8
2
7
3
6
C622
R641
4
5
1UF
47KOHM
10V
SI9933BDY-T1-E3
4.7KOHM
C634
R636
C629
C631
C632
100NF
100NF
10UF
10UF
C
25V
B
25V
16V
16V
E
Q610
2SC2412K-Q
C624
R643
1UF
47KOHM
10V
R640
4.7KOHM
R635
C
B
E
Q612
4.7KOHM
2SC2412K-Q
C
B
E
Q611
2SC2412K-Q
PDP_NC
PANEL VCC
+1.26V_LIVE
BD603
VIN
VO
EN
ADJ
NC
R638
GND
510OHM
C623
C625
C628
100NF
10UF
100UF
25V
16V
6.3V
R639
10KOHM
+2.5V_M
IC603
LF25CDT
1
3
IN
OUT
GND
C638
C640
C637
10UF
100UF
100NF
16V
6.3V
C636
C635
100UF
100NF
6.3V
DC_POWER
+5V_MULTI
CN605
BD606
MGND4
MGND2
1
2
3
MGND3
MGND1
GCD01-0057
+5V_MULTI
+12V_MULTI
PNL_VCC
BD604
BD605
Q603
1
8
2
7
3
6
4
5
C639
R648
3.3UF
SI4435BDY-T1-E3
47KOHM
50V
R649
4.7KOHM
R647
PNL_ON
C
Q613
B
2SC2412K-Q
E
4.7KOHM
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