Hisense LCD42P69P Service Manual page 40

5
MAIN POWER
CN1 CN1
1
5V_M
2
3
4
12V_M
BL-ON/OFF
5
BL-ADJUST
6
7
8
12V_M
D
9
10
+5VS
5V_M
11
12 SW
13
14
Power for MT8222 only ( Always on )
LDO#1
+5V_ON
R262 R262 10K 10K
+ +
CE13 CE13 CB6 CB6 CB8 CB8
47uF/16v 47uF/16v 0.1uF 0.1uF 10uF 10uF
C
修改封装20080911
1.2 x (21K+12K)/12K= 3.3V
5V to 3.3V
Estimated Power consumed : ??? A
Switch Regulator
MUST USE AP1533
Core Power 1.0V
+5V_ON
R1161 R1161 C511 C511
CE8 CE8 CB7 CB7 R1163 R1163 3K 3K NS/100nF NS/100nF
+ +
100K 100K
100uF/16v 100uF/16v 0.1uF 0.1uF
B
5V to 1.0V
Estimated Power consumed : ??? A
Works at normal mode
LDO#3
U11 U11
LT1084 TO-252-3 LT1084 TO-252-3
5V_M
R-TO3N-2.28-9.70-HX R-TO3N-2.28-9.70-HX
2 3
IN OUT
CE9 CE9 CB574 CB574
+ +
100uF/16v 100uF/16v 0.1uF 0.1uF
A
5V to DDRV
Estimated Power consumed : ??? A
If use sdram ,NC FB14
If use ddr ,NC FB14
Downloaded From TV-Manual.com Manuals
5
4
+5VS
CN2 CN2
1
R259 R259
2
3 1K 1K
4
5
6 2008.6.4
7 SW
8
9
10
11
12 12V_M
+5VS
13
Q29 Q29 1
3904 3904
CE83 CE83 + +
CB217 CB217 + + CE67 CE67 CB216 CB216
100uF/16v 100uF/16v
0.1uF 0.1uF 220uF/25v 220uF/25v 0.1uF 0.1uF
6 LDO#2
therm
U4 U4
U8 U8
G962 G962
+3V3
2008.6.4
+3V3
CE869 CE869 CB891 CB891
+ +
100uF/16v 100uF/16v 0.1uF 0.1uF
R857 R857 CE15 CE15 CB5 CB5
+ +
21K 1% 21K 1% 220uF/16v 220uF/16v 0.1uF 0.1uF
R859 R859
12K 1% 12K 1%
3.3V to 1.2V
Estimated Power consumed : ??? A
U3 U3
AP1533/SOP-8 AP1533/SOP-8
L27 L27 27uH/POWER CHOKE 27uH/POWER CHOKE
4 6
Vcc O/P
5
O/P
C512 C512 R1162 R1162
NS/100nF NS/100nF 680_1% 680_1%
3 1
OCSET FB
R1164 R1164
D62 D62 1.8K_1% 1.8K_1%
SCHOTTKY DIODE/B340A SCHOTTKY DIODE/B340A
CB442 CB442
0.1uF 0.1uF
0.8 x (1+0.51K/2K) = 1.0V
DDRV
FB14 FB14
1206_Bead 1206_Bead
R956 R956 CB573 CB573 CE5 CE5 CB576 CB576
+ +
110_1% 110_1% 0.1uF 0.1uF 100uF/16v 100uF/16v 0.1uF 0.1uF
R958 R958 Vout = 1.25 x ( 1 + 110/ 110 ) = 2.5V for DDR200/266/333
120_1% 120_1%
Vout = 1.25 x ( 1 + 120/ 110 ) = 2.6V for DDR400/500
4
3
5V_M
5V_M
+5VS
+ + CE66 CE66 CB218 CB218 FB64 FB64
470uF/16v 470uF/16v 0.1uF 0.1uF
0603_Bead 0603_Bead
12V_M
UP31 HIGH :POWER OFF
UP31 LOW: POWER ON
R258 R258
1K 1K UP31
R260 R260
10K 10K
R261 R261 1K 1K PW_CTL1
MUST USE AP1122
AP1122 AP1122
AV12
FB18 FB18
3 2
IN OUT
0603_Bead 0603_Bead
4
TAB
R856 R856
NS/100 NS/100 CB860 CB860
C883 C883 0.1uF 0.1uF
R-SOT4N-2.30-7.00-HX R-SOT4N-2.30-7.00-HX 1uF 1uF
R858 R858
0 0
DV10
C2 C2 CE222 CE222
+ +
CB441 CB441
0.01uF 0.01uF 100uF/16v-LowESR CAP 100uF/16v-LowESR CAP
0.1uF 0.1uF
12V_M
U9 U9
R216 R216 R207 R207
1 2
VIN VOUT
C199 C199
10R/2W 10R/2W 10R/2W 10R/2W CE40 CE40
+ + + +
LM7805 LM7805
100uF/35v 100uF/35v 0.1uF 0.1uF
12V to 5V
For Tuner 5V power
3
2
D188 D188
+5V_ON
B240A B240A +5V_ON
D185 D185
B240A B240A
CE68 CE68 CB219 CB219
+ +
D187 D187
220uF/16v 220uF/16v 0.1uF 0.1uF
B240A B240A
VPA
L75 L75
121 121
+ + CE859 CE859
100uF/16v 100uF/16v
P01 P01
SHIELD SHIELD
M-RSAG7.070.198-HX M-RSAG7.070.198-HX
Test GND Pin
( Spread Around PCB )
TP85 TP85 TP86 TP86 TP87 TP87 TP88 TP88 TP89 TP89 TP90 TP90 TP91 TP91
H12 H12 H4 H4
HOLE/GND HOLE/GND
9 2 9
9 2 9
8 3
8
8 3 8
7 4 7
7 4
7
6 5 6
6 5 6
H3 H3 H6 H6
HOLE/GND HOLE/GND HOLE/GND HOLE/GND
9 2 9
9 2 9
8 3 8
8 3 8
7 4 7
7 4 7
6 5 6
6 5 6
+5V_TUNER
CE227 CE227
CB398 CB398
100uF/16v 100uF/16v 0.1uF 0.1uF
2
1
+3V3
+3V3
+3V3 3,4,6,7,11,13,14
12V_M
12V_M
12V_M 11,14
+5V_ON
+5V_ON
+5V_ON D
+5V_TUNER
+5V_TUNER
+5V_TUNER 11
DDRV
DDRV
DDRV 3,4,5
AV12
AV12
AV12 4
DV10
DV10
DV10 3,4
5V_M
5V_M
5V_M 3,6,8,12,13,14
UP31
UP31 3,6
GND
GND 3,4,5,6,7,8,9,10,11,12,13,14
BL-ON/OFF
BL-ON/OFF 14
BL-ADJUST
BL-ADJUST 14
PW_CTL1
PW_CTL1 6
C
TP92 TP92 TP93 TP93 TP94 TP94 TP95 TP95 TP96 TP96 TP97 TP97 TP98 TP98 TP99 TP99 TP101 TP101 TP100 TP100 TP103 TP103
H5 H5 H11 HOLE/GND H11 HOLE/GND
HOLE/GND HOLE/GND HOLE/GND HOLE/GND
2 9 2 9 2
2 9 2 9 2
8 3
3 8 3
3 8 3 8 3
4 7 4 7 4
7 4
4 7 4
5 6 5 6 5
5 6 5 6 5
Z6 Z6 Z7 Z7 Z8 Z8
Z10 Z10 Z11 Z11
2
2
Label Label Label Label
3
3 B
MES MES TX TX
4
4
5
ARROW ARROW ARROW ARROW ARROW ARROW
5
M6 M6
M4 M4 M5 M5
M1 M1 M2 M2 M3 M3
MARK MARK
MARK MARK MARK MARK
MARK MARK MARK MARK MARK MARK
A
MediaTek Confidential MediaTek Confidential MediaTek Confidential
MediaTek (ShenZhen) Inc. MediaTek (ShenZhen) Inc. MediaTek (ShenZhen) Inc.
Title Title Title
Power LDO
Rev Rev Rev
Size Size Size Document Number Document Number Document Number
Drawn: Drawn: Drawn: 1 1 1
HISENSE_MT8222_EU
C C C Jiu.Ni
Date: Date: Date: 2008/1/25 Sheet Sheet Sheet 2 2 2 of of of 14 14 14
1