Haier HL37XLE2, Руководство по обслуживанию

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5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
SW_POWER BL_ON/OFF
SW_POWER
VCC5_USB_IN
VCC_5V_USB
VCC3_3_STB
VCC12V_IN
LVDS_VD
Panel_power
LVDS_VD
LVDS_VD
VCC_5V_USB
VCC3_3_STB
VCC_5V_USB
VCC5V_STB
VCC12V_IN
VCC12V_IN
VCC3_3_STB
VCC5V_STB
VCC3_3_STB
VCC5_0
VCC12V_IN
VCC5_LVDS
VCC5_LVDS
LVDS_VD
PWR_SW_USB
12
LCD_POWER_ON
12
BL_ON/OFF
11
BRT_CNTL_OUT
11
TVM_PWR_ON2
13
Title Size
Document Number
Rev
Date:
Sheet
of
Power & Ground 2
10
Zoran/HD775 Ref. Platform
17
18
Tuesday, May 18, 2010
Title Size
Document Number
Rev
Date:
S
heet
of
Power & Ground 2
10
Zoran/HD775 Ref. Platform
17
18
Tuesday, May 18, 2010
Title Size
Document Number
Rev
Date:
S
heet
of
Power & Ground 2
10
Zoran/HD775 Ref. Platform
17
18
Tuesday, May 18, 2010
ZORAN Confidential
Panel Power Control
USB Power Control
••••
R237,
••••••
USB
••••
••
LVDS_VD=12V,
••
R231=2K
••
LVDS_VD=5V,
••
R231=0
••••
USB
••••
MAIN POWER
shielding of 20-mil GND
0.925 x (1+Rup/Rdn) = 5.1V
HOLE
Q21
MMBT3904
Q21
MMBT3904
1
2 3
C256
0.1uF
C256
0.1uF
R245 10K R245 10K
H16
PAD
H16
PAD
1 2 3
4
5
6 7
8
9
C232
0.1uF_DNS
C232
0.1uF_DNS
C257
1uF_DNS
C257
1uF_DNS
Q18
AO3401
Q18
AO3401
3
1
2
R238 10K R238 10K
H4
PAD
H4
PAD
1 2 3
4
5
6 7
8
9
QC LABEL
LABEL1 NC
QC LABEL
LABEL1 NC
+ C230 100uF/16V + C230 100uF/16V
1 2
H5
PAD
H5
PAD
2 3
4
5
6
1
H10
PAD
H10
PAD
1 2 3
4
5
6 7
8
9
R240 10K R240 10K
C258
10nF
C258
10nF
R242 10K R242 10K
U15 MP1482_DNS U15 MP1482_DNS
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
QC LABEL
LABEL2 NC
QC LABEL
LABEL2 NC
Q20 MMBT3904 Q20 MMBT3904
1
2 3
R244 4.7K R244 4.7K
+ C238 100uF/16V_DNS + C238 100uF/16V_DNS 1 2
H12
PAD
H12
PAD
1 2 3
4
5
6
R230 10K R230 10K
C260 0.1uF C260 0.1uF
C255
560pF
C255
560pF
R237 10K R237 10K
H6
PAD
H6
PAD
1 2 3
4
5
6 7
8
9
Q25 MMBT3904 Q25 MMBT3904
1
2 3
C261 0.1uF C261 0.1uF
R231
2K
R231
2K
R260
0_DNS
R260
0_DNS
R233
4.7K
R233
4.7K
Q24
MMBT3904
Q24
MMBT3904
1
2 3
R255 33R R255 33R
H17
PAD
H17
PAD
1 2 3
4
5
6 7
8
9
C236
0.1uF_DNS
C236
0.1uF_DNS
H3
PAD
H3
PAD
1 2 3
4
5
6 7
8
9
C262 10nF C262 10nF
R247
10K
R247
10K
C235 0.1uF C235 0.1uF
Q22
MMBT3904
Q22
MMBT3904
1
2 3
H14
PAD
H14
PAD
1 2 3
4
5
6 7
8
9
R257 2.7K_1% R257 2.7K_1%
R229 10K R229 10K
+ C237 100uF/16V + C237 100uF/16V
1 2
H11
PAD
H11
PAD
1 2 3
4
5
6 7
8
9
R243 10K R243 10K
+
C264
100uF/16V_DNS
+
C264
100uF/16V_DNS
1 2
CN17
Power_Main
CN17
Power_Main
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
Q23
AO3401
Q23
AO3401
3
1
2
R258 12K_1% R258 12K_1%
+ C234 100uF/16V + C234 100uF/16V
1 2
+
C233 100uF/16V
+
C233 100uF/16V 1 2
R241
0_DNS
R241
0_DNS
C265 470uF/16V_DNS C265 470uF/16V_DNS
R234
10K
R234
10K
R248
0
R248
0
R259 2.2K R259 2.2K
R236 1K R236 1K
H2
PAD
H2
PAD
1 2 3
4
5
6 7
8
9
L34 15uH/3A_DNS
L15UH_SMD
L34 15uH/3A_DNS
L15UH_SMD
1
2
H13
PAD
H13
PAD
1 2 3
4
5
6
R246
4.7K
R246
4.7K
Q19
MMBT3904
Q19
MMBT3904
1
2 3
R256
100K
R256
100K
H1
PAD
H1
PAD
1 2 3
4
5
6 7
8
9
C231 0.1uF C231 0.1uF
1 2
R235
0
R235
0
R239 10K R239 10K
R232 10K R232 10K
C263 10nF C263 10nF
H15
PAD
H15
PAD
1 2 3
4
5
6
Service Manual
Model No.: HL37XLE2
42