Hitachi L42X02A, Service Manual

Page: 36 / 64

POWER CIRCUIT DIAGRAM
3
6
PWR_ONC
5VSBMODULE
HP_VCC_33
5VSC
5VSC
HP_VCC_18
3.3V
HP_VCC_25
3VSB
5VSB
GND_TEST
GND_TEST
5VSC
5VSB
5VSB
12VSC
DSP_3V3
V18A
8V
5V_Tuner
12VSC
P_GND
5VSC
HP_VCC_10
3.3V
DSP_3V3
5VSC
POWER_ON#
1,18
BKLT_EN
10
BK_ADJ
10
5Vsb/1A
SP CAP,ESR=28mOHM
POWER INPUT
2.5mm
modified
2008-03-12
0428
0428
0428
TP4 TP_T_S60 TP4 TP_T_S60
+
C361
47uF/16V
+
C361
47uF/16V
C41 100uF C41 100uF
+
C637 220uF
+
C637 220uF
M13M13
TP6 TP_T_S60 TP6 TP_T_S60
IN
1
GND
2
OUT
3
TAB
TAB
U47
MC7805CDT
U47
MC7805CDT
M3M3
1 2 3 4 5 6 7 8 9 10 11 12
CON22
CNA1
CON22
CNA1
C25 10uF C25 10uF
C27 10uF C27 10uF
C344 0.1uF C344 0.1uF
+
C635 470uF/16V
+
C635 470uF/16V
C394 0.1uF C394 0.1uF
OUT
2
IN
3
GND
1
TAB
TAB
U28
AP1084D33
U28
AP1084D33
C331 0.1uF C331 0.1uF
C66 10uF C66 10uF
1
2
FB6
FB_68_OHM_4A
FB6
FB_68_OHM_4A
c5c5
M4M4
C75 0.1uF C75 0.1uF
OUT
2
IN
3
GND
1
TAB
TAB
U29
AP1117E25
U29
AP1117E25
IN
1
GND
2
OUT
3
TAB
TAB
U48
MC7808CDT
U48
MC7808CDT
+
C396
47uF/16V
+
C396
47uF/16V
+
C330
47uF/16V
+
C330
47uF/16V
+
C332 100uF/16V
+
C332 100uF/16V
TP3 TP_T_S60 TP3 TP_T_S60
C73 10nF C73 10nF
TP9 TP_T_S60 TP9 TP_T_S60
C406 0.1uF C406 0.1uF
M15M15
OUT
2
IN
3
GND
1
TAB
TAB
U27
AP1117E33
U27
AP1117E33
MH2 MH_130_40x6 MH2 MH_130_40x6
+
C337
47uF/16V
+
C337
47uF/16V
1
2
FB30
150_Ohm_2A
FB30
150_Ohm_2A
+
C347
47uF/16V
+
C347
47uF/16V
R63 97.8K_1% R63 97.8K_1%
SW
1
BST
2
VCC
3
GND
4
FB
5
PG
6
EN
7
IN
8
U40 MPS2380DN U40 MPS2380DN
R286 121,1% R286 121,1%
M16M16
OUT
2
IN
3
GND
1
TAB
TAB
U46
AP1117E18
U46
AP1117E18
C336
0.1uF
C336
0.1uF
C329 0.1uF C329 0.1uF
TP7 TP_T_S60 TP7 TP_T_S60
C644 10uF C644 10uF
R353 200,1% R353 200,1%
M5M5
+
C335 470uF/16V
+
C335 470uF/16V
+
C19
100uF/16V
+
C19
100uF/16V
TP10 TP_T_S60 TP10 TP_T_S60
1
2
FB52
150_Ohm_600mA
FB52
150_Ohm_600mA
M1M1
MH6 MH_130_40x6 MH6 MH_130_40x6
2 1
D15 B530C/540C D15 B530C/540C
M6M6
c2c2
C20
0.1uF
C20
0.1uF
1 2
C824 0.1uF_DNS C824 0.1uF_DNS
+
C360
47uF/16V
+
C360
47uF/16V
1
2
FB44
FB_68_OHM_4A
FB44
FB_68_OHM_4A
R716
4.7K
R716
4.7K
R70 33K_1% R70 33K_1%
D14
1N4148
D14
1N4148
L55 4.7uH L55 4.7uH
c1c1
C70
0.1uF
C70
0.1uF
C345 0.1uF C345 0.1uF
MH3 MH_130_40x6 MH3 MH_130_40x6
M7M7
R21
100K
R21
100K
+
C398
47uF/16V
+
C398
47uF/16V C26 10uF C26 10uF
MH4 MH_130_40x6 MH4 MH_130_40x6
C62 10nF C62 10nF
TP8 TP_T_S60 TP8 TP_T_S60
1 2
C630
0.1uF
C630
0.1uF
1 2
TC46 1000uF/10V TC46 1000uF/10V
c6c6
MH1 MH_130_40x6 MH1 MH_130_40x6
C340 0.1uF C340 0.1uF
C351
0.1uF
C351
0.1uF
M8M8
+
C363
47uF/16V
+
C363
47uF/16V
M2M2
M11M11
C71 1uF C71 1uF
+
C352
47uF/16V
+
C352
47uF/16V
C333
0.1uF
C333
0.1uF
TP5 TP_T_S60 TP5 TP_T_S60
1
2
FB8
150_Ohm_2A
FB8
150_Ohm_2A
+
C342 470uF_25V
+
C342 470uF_25V
R95 1K R95 1K
M9M9
C399 0.1uF C399 0.1uF
C362
0.1uF
C362
0.1uF
+
C637 470uF/16V
+
C637 470uF/16V
M10M10
OUT
2
IN
3
GND
1
TAB
TAB
U2
AP1117E33
U2
AP1117E33
C72 0.1uF C72 0.1uF
OUT
2
IN
3
GND
1
TAB
TAB
U30
AP1084D18
U30
AP1084D18
C364
0.1uF
C364
0.1uF
+
C346
47uF/16V
+
C346
47uF/16V
u1u1
1 2
C174 0.1uF C174 0.1uF
C348
0.1uF
C348
0.1uF
C11 10uF C11 10uF
1
2 3
Q12
MMBT3904
Q12
MMBT3904
M12M12
MH5 MH_130_40x6 MH5 MH_130_40x6