LG DP372B-N, Руководство по обслуживанию

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3-27 3-28
CIRCUIT DIAGRAMS
1. MPEG CIRCUIT DIAGRAM
RFV18-2
IOA
TRIN
IR_OUT
XO
STBY
FMO
DVD_KEY1
DVD_KEY3
DVD_KEY2
DVD_KEY4
DVD_KEY5
VCOMO
OEV
LDO1
OP-
RFVDD3
AVCM
MA3
IR_
O
UT
AVDD33
OP+
LIMIT
V20
MA1
TRO
FOO
V1P4
FMO
DMO
FOSO FOSO FOSO FOSO FOSO FOSO
TRSO
TRSO TRSO TRSO TRSO TRSO
DMSO DMSO DMSO DMSO DMSO DMSO
FMSO FMSO FMSO FMSO
TRIN
MA0
TXD
VCC_5V
RF
O
FS
RXD
MA10
SDA1
DVD_KEY4
BA1
BA0
D
A
B
C
RAS#
STVL
AADVDD
CAS#
CKV
OPO
RF
V
18-
1
WE#
AADVDD
MA4
MA11
AP
LLV
D
D
3
MA5
DCLK
V20
DQM1
MA6
MA7
SF_CS
SF_DI
SF_DO
SF_CK
URST
#
SF_
C
S
SF_
D
O
SF_
D
I
DACVDD3
LDO2
TXD
RXD
RFV18-1
RFV18-2
V1P4
C
LDO1
D
LDO2
STBY
E
V1P4
F
RFO
DMSO
TRSO
FOSO
FMSO
IOA
MDI1
OPO
A
LIMIT
V20
OP-
DVD_SLEEP
B
SF_
C
K
SCL
1
DVD_
KEY5
DQ0 DQ1 DQ2 DQ3
BA1
DACVDD3
BA0
DQ4 DQ5
ADACVDD
DACVDD3
DVD_
KEY1
DQ7 DQ6 DVD_
KEY2
DVD_
KEY3
DQM
0
DQ1
5
DQ1
2
DQ1
3
DQ1
0
DQ1
1
DQ8
APLLVDD3
ADACVDD
MA9
MA8
DACVDD3
VCO
M
O
DQ9
89L_G
DQ1
4
F
89L_B DVD_
SL
EEP
89L_R
E
AL AR
FM
_M
U
T
E
STHL OE
H
V1P4
VCC_5V
DVD_KEY5
DVD_KEY1
DVD_KEY2
DVD_KEY3
DVD_KEY4
OP+
USBP
CPH1
CVBS
SDA
OPO
XI
USBM
CVBS
ASPDIF
SCL
DCLK
DQM[0..1]
URST#
WE#
RAS#
MA[0..11]
CAS#
FM_MUTE
XO
3.3V MA2
GND
MDI1
89L_B
89L_G
89L_R
CPH1
DV33
STHL
OEH
OEV
CKV
STVL
DQ[0..15]
AL
AR
FOO
XI
ASPDIF
DMO
FG
TRO
RFVDD3
AVDD33 SCL SCL1
SDA1 SCL
SDA
USBP
USBM
DV33 3.3V
3.3V
V18
DV33
V18
DV33
DV33 V18
V18
AVDD33
DV33
RFVDD3
DV33
AVDD33
DV33
AADVDD
V18
RFV18-1
RFV18-2
DV33
ADACVDD
APLLVDD3
DACVDD3
DV33
DV33
RFVDD3
RFV18-2
RFV18-1
V18
3.3V
DV33
IR_OUT 6
VCC_5V 4,5
DVD_KEY1 7
DVD_KEY3 7
DVD_KEY4 7
DVD_KEY2 7
DVD_KEY5 7
VCOMO 7
SF_CS 3
SF_DI 3
SF_CK 3
SF_DO 3
V20 4
V1P4 4
STBY 4
DMSO 4
FOSO 4
TRSO 4
FMSO 4
OPO 4
LIMIT 4
IOA 4
LDO1 4
LDO2 4
A 4
B 4
C 4
D 4
E 4
F 4
RFO 4
MDI1 4
OP- 4
BA1 3
BA0 3
CVBS 5
OP+ 4
FM_MUTE 8
GND 3,4,5,6,7
3.3V 3.4,7
89L_B 7
89L_G 7
89L_R 7
CPH1 7
STHL 7
OEH 7
OEV 7
CKV 7
STVL 7
DQ[0..15] 3
SDA 3,8
ASPDIF 5
SCL 3,8
MA[0..11] 3
RAS# 3
WE# 3
CAS# 3
DVD_SLEEP 7
DCLK 3
DQM[0..1] 3
AR 5
AL 5
CRYSTAL CIRCUIT
RS-232
SERVO I/F
DVD_KEY
IC
LCD
AUDIO INTERFACE
MEMORY
POWER
CONTRL
IIC
FLASH
S-FLASH
H:FM
L:FM
EMC
EMC
FM/EMC
EMC
EMC
EMC
EMC
L213
10uH L213
10uH
R228 0 R228 0
L206
FB(50)
L206
FB(50)
C220
10uF
/10V
C220
10uF
/10V
R234 0R/NC R234 0R/NC
C2
30
0.
1uF
C2
30
0.
1uF
L211
CBV160808A471B
L211
CBV160808A471B
+ CE204
10uF/16V
+ CE204
10uF/16V
1
2
R217 10k R217 10k
L218FB(600) L218FB(600)
L210 47uH L210 47uH
+
CE213
22uF/16V
+
CE213
22uF/16V
1
2
C229
330pF
C229
330pF
C204
1000pF/NC
C204 1000pF/NC
C217 NC C217 NC
R214 27K R214 27K
C249
102 C249
102
R202 0R R202 0R
+ CE208
100uF/6.3V
+ CE208
100uF/6.3V
1
2
L217 FB(600) L217 FB(600)
C235
0.1uF
C235
0.1uF
R236
22K R236
22K
B
C
E
Q202
3904
B
C
E
Q202
3904
1
3
2
C207
0.015uF
C207
0.015uF
R209 0 R209 0
R206 0 R206 0
C251
0.1uF
C251
0.1uF
R205
10
R205
10
C206
0.1uF C206
0.1uF
C210
6800pF
C210
6800pF
C205
0.1uF C205
0.1uF
R259 0 R259 0
R207 10 R207 10
R230 330 R230 330
+ CE203
100uF/6.3v
+ CE203
100uF/6.3v
1
2
+ CE202
100uF/6.3v
+ CE202
100uF/6.3v
1
2
L204
FB(50)
L204
FB(50)
L202
FB(50)
L202
FB(50)
R212 0 R212 0
C241
180pF C241
180pF
L201
FB(50)
L201
FB(50)
R233
0R/NC
R233
0R/NC
C244
33pF C244
33pF
C209
120pF/NC C209
120pF/NC
R204
560R 1%
R204
560R 1%
C248
102 C248
102
R219
10K R219
10K
L205
FB(50)
L205
FB(50)
C236
0.1uF
C236
0.1uF
R225
3.3K R225
3.3K
L214
10uH L214
10uH
+
CE201
100uF/6.3V
+
CE201
100uF/6.3V
1
2
R201 100K R201 100K
C203
0.1uF
C203
0.1uF
R218
10K R218
10K
+ CE207
47uF/6.3v
+ CE207
47uF/6.3v
1
2
L207
FB(1206) L207
FB(1206)
MT1389LP
U201
MT1389L/SMD
LQFP-128
MT1389LP
U201
MT1389L/SMD
LQFP-128
RFA
1
RFB
2
RFC
3
RFD
4
RFE
5
RFF
6
AVDD18_2
7
AVDD33_1
8
XTALI
9
XTALO
10
AGND33
11
V20
12
V14
13
REXT
14
MDI1
15
MDI2
16
LDO1
17
MDILDO2
18
AVDD33_2
19
DMO
20
FMO
21
TRAY_OPEN
22
TRAY_CLOSE
23
TRO
24
FOO
25
PG/GPIO2
26
USB_DP
27
USB_DM
28
VDD33_USB
29
VSS33_USB
30
PAD_VRT
31
VDD18_USB
32
GP
IO
3/INT#
33
G
PIO
4
34
G
PIO
6
35
SF_
C
S_
36
SF_
D
O
37
SF_
D
I
38
SF_
C
K
39
UP
1_6/
S
C
L
40
UP
1_7/
S
D
A
41
ICE
42
PRST#
43
IR
44
RD0
45
RD1
46
RD2
47
RD3
48
RD4
49
DVDD3
3
50
RD5
51
RD6
52
RD7
53
DVDD1
8
54
DQM0
55
RD1
5
56
RD1
4
57
RD1
3
58
RD1
2
59
DVSS3
3
60
RD1
1
61
RD1
0
62
RD9
63
RD8
64
VOE/GPIO15
96
VCK/GPIO14
95
VSTU/GPIO13
94
SPDIF/GPIO12
93
HSTR/11
92
LR/GPIO10
91
DVDD18
90
UD/GPIO9
89
VSTD/GPIO8
88
GPIO7/CKE
87
RA3
86
RA2
85
DVDD33
84
RA1
83
RA0
82
RA10
81
BA1
80
DVSS18
79
BA0
78
RAS#
77
CAS#
76
RWE#
75
RA4
74
RA5
73
RA6
72
RA7
71
RA8
70
RA9
69
DVDD33
68
RA11
67
RCLK
66
DQM1
65
HCK/GPIO1
8
99
HST
L/GPIO1
7
98
HOE/GPIO1
6
97
RF
H/OPINN
128
RF
G/OPINP
127
RFIN/OPO
U
T
126
RF
IP
125
AGND1
8
124
AV
DD
18_1
123
ADACVDD2
122
ADACVDD1
121
AL
/G
PIO
1
120
AVCM
119
AR/GPIO0
118
ADACVSS
117
APL
LC
AP
116
AP
LLV
D
D
115
AADVDD
114
AKIN1
/G
P
IO
21
/A
udi
o_m
ut
e
113
ADVCM
/G
P
IO
20
112
AKIN2
/G
P
IO
19
/A
udi
o_m
ut
e
111
AADVSS
110
R
109
B
108
G
107
DACVDDA
106
DACVDDB
105
CVBS
104
DACVSSC
103
FS
102
VREF
101
DACVDDC
100
R223
680
R223
680
C234
0.1uF
C234
0.1uF
D201
1N4148/NC D201
1N4148/NC
1
2
R203 0R R203 0R
C
211
4.
7uF
C
211
4.
7uF
+ CE211
220uF/6.3v
+ CE211
220uF/6.3v
1
2
C218
0.1uF C218
0.1uF
C243
NC C243
NC
C247
102 C247
102
B
C
E
Q201
3904
B
C
E
Q201
3904
1
3
2
R241
AVL
C
18S
02003
R241
AVL
C
18S
02003
C245
100pF C245
100pF
C239
1uF
C239
1uF
R224
3.3K R224
3.3K
R237
OR
R237
OR
R268 0 R268 0
SW201
SW212
SW201 SW212
1 4
2 3
C233
6800pF C233
6800pF
R
240
15P
(E
M
C
)
R
240
15P
(E
M
C
)
U202
CM1117SCM233
SOT223 U202
CM1117SCM233
SOT223
OUT
2
IN
3
ADJ
1
TAB
4
R232 0 R232 0
C225
0.1uF
C225
0.1uF
C
208
0.
1uF
C
208
0.
1uF
C246
100pF C246
100pF
L209
2.7uH/NC L209
2.7uH/NC
C227
0.1uF
C227
0.1uF
R221 27K R221 27K
R269
0
R269
0
R213 5.1K R213 5.1K
L215
10uh-20uH
L215
10uh-20uH
+ CE209
100uF/6.3V + CE209
100uF/6.3V
1
2
C252
0.1uF
C252
0.1uF
C201
0.1uF
C201
0.1uF
C240
102 C240
102
C221
0.1uF
C221
0.1uF
C238
0.1uF
C238
0.1uF
C215
0.1uF
C215
0.1uF
C250
18P
C250
18P
C226
0.1uF
C226
0.1uF
C223
0.1uF
C223
0.1uF
C
214
220pF
C
214
220pF
R238
0R R238
0R
Y201
27M Y201
27M
1 2
3
R210 0 R210 0
R235
4.7K R235
4.7K
C242
180pF C242
180pF
R229 10K R229 10K
C219
0.1uF
C219
0.1uF
J201
CON4_2.0MM_DIP
J201 CON4_2.0MM_DIP
1
2
3
4
C216
0.1uF
C216
0.1uF
C
228
1uF
C
228
1uF
C224
0.1uF
C224
0.1uF
C213
0.1uF C213
0.1uF
+ CE212
220uF/6.3v
+ CE212
220uF/6.3v
1
2
R242
AVL
C
18S
02003
R242
AVL
C
18S
02003
L208 47uH/NC L208 47uH/NC
R226
15K R226
15K
1:GND
2:D+
3:D-
4:VCC
4
2
3
1
JP201
USB2.0-CUT-DIP
1:GND
2:D+
3:D-
4:VCC
4
2
3
1
JP201
USB2.0-CUT-DIP
3
2
1
4
5
6 7
8
C
222
1500pF
C
222
1500pF
C212
27pF C212
27pF
C202
330pF
C202
330pF
C237
102 C237
102
C231
0.1uF
C231
0.1uF
L212
FB(
600)
L212
FB(
600)
L203 FB(50) L203 FB(50)
R211 15K R211 15K
R216 15K R216 15K
R222 0 R222 0
+ CE205
100uF/6.3V
+ CE205
100uF/6.3V
1
2
R208 0 R208 0
+ CE206
10uF/16V
+ CE206
10uF/16V
1
2
C232
27pF C232
27pF
R249 2K R249 2K
R
239
15P
(E
M
C
)
R
239
15P
(E
M
C
)
RN201 10Kx4 RN201 10Kx4
1 8
2 7
3 6
4 5
L216 50 PB L216 50 PB
SW202
SW212
SW202 SW212
1 4
2 3
02.MPEG
LG & MALATA
Saturday, November 17, 2007
02.MPEG
LG & MALATA
Saturday, November 17, 2007
02.MPEG
LG & MALATA
Saturday, November 17, 2007
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