LG DP450P Service Manual

3-283-27
CIRCUIT DIAGRAMS
1. MPEG CIRCUIT DIAGRAM
RFV18-2
IOA
IR_OUT
XO
STBY
FMO
DVD_KEY1
DVD_KEY3
DVD_KEY2
VCOMO
OEV
LDO1
OP-
RFVDD3
AVCM
MA3
IR_OUT
AVDD33
OP+
LIMIT
V20
MA1
TRO
FOO
V1P4
FMO
DMO
FOSOFOSOFOSOFOSOFOSOFOSO
TRSOTRSOTRSOTRSOTRSOTRSO
DMSODMSODMSODMSODMSODMSO
FMSOFMSOFMSOFMSO
TRIN
MA0
TXD
RFO
FS
RXD
MA10
BA1
BA0
D
A
B
C
RAS#
STVL
AADVDD
CAS#
CKV
OPO
RFV18-1
WE#
AADVDD
MA4
MA11
APLLVDD3
MA5
DCLK
V20
DQM1
MA6
MA7
SF_CS
SF_DI
SF_DO
SF_CK
URST#
SF_CS
SF_DO SF_DI
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-
B
SF_CK DQ0 DQ1 DQ2 DQ3
BA1
DACVDD3
BA0
DQ4 DQ5
ADACVDD
DACVDD3
DVD_KEY1 DQ7 DQ6 DVD_KEY2 DVD_KEY3 DQM0 DQ15 DQ12 DQ13 DQ10 DQ11 DQ8
APLLVDD3
ADACVDD
MA9
MA8
DACVDD3
VCOMO
DQ9
89L_G
DQ14
F
89L_B DVD_SLEEP 89L_R
E
AL AR STHL OEH
V1P4
DVD_KEY1
DVD_KEY2
DVD_KEY3
OP+
CVBS
OPO
XI
CVBS
LCD_CTRL
DCLK
DQM[0..1]
Core3.3V
WE#
RAS#
MA[0..11]
CAS#
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
LCD_CTRL
DMO
FG
TRO
RFVDD3
AVDD33
URST#URST
TRIN
DVD_SLEEP
CPH1
DV333.3V
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
RFVDD3
RFV18-2
RFV18-1
3.3V
DV33
DV33
V18
IR_OUT 6
DVD_KEY1 7
DVD_KEY3 7
DVD_KEY2 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
IOA4
LDO14
LDO24
A4
B4
C4
D4
E4
F4
RFO 4
MDI1 4
OP- 4
BA1 3
BA0 3
CVBS 5
OP+ 4
GND 3,4,5,6,7
3.3V 3.4,7
89L_B 7
89L_G 7
89L_R 7
CPH17
STHL7
OEH 7
OEV 7
CKV 7
STVL 7
DQ[0..15]3
LCD_CTRL 5
MA[0..11] 3
RAS# 3
WE#3
CAS# 3
DCLK 3
DQM[0..1] 3
AR 5
AL 5
DVD_SLEEP 7
CRYSTAL CIRCUIT
RF Reference
RS-232
SERVO I/F
DVD_KEY
IC
LCD
AUDIO INTERFACE
MEMORY
POWER
CONTRL
FLASH
S-FLASH
EMC
EMC
EMC
EMC
EMI
L213
10uH
L213
10uH
R228 0R228 0
L206
FB(50)
L206
FB(50)
C220
10uF/10V
C220
10uF/10V
R234 0R/NCR234 0R/NC
C230 0.1uFC230 0.1uF
L211
CBV160808A471B
L211
CBV160808A471B
+ CE204
10uF/16V
+ CE204
10uF/16V
12
L21047uH L21047uH
C255
AVLC18S02003
C255
AVLC18S02003
+
CE213
22uF/16V-NC
+
CE213
22uF/16V-NC
12
L219
1K
L219
1K
C229
330pF
C229
330pF
C204
1000pF/NC
C204
1000pF/NC
R214 27KR214 27K
R202 0RR202 0R
+ CE208
100uF/6.3V
+ CE208
100uF/6.3V
12
C235
0.1uF
C235
0.1uF
R236
100K
R236
100K
B
C
E
Q202
3904
B
C
E
Q202
3904
1
3 2
C207
0.015uF
C207
0.015uF
R209 0R209 0
R206 0R206 0
C251
0.1uF
C251
0.1uF
C206
0.1uF
C206
0.1uF
R205
10
R205
10
L220
10uh
L220
10uh
C210
6800pF
C210
6800pF
C205
0.1uF
C205
0.1uF
R2590R2590
R207 10R207 10
R230 330R230 330
+
CE202
100uF/6.3v
+
CE202
100uF/6.3v
12
L204
FB(50)
L204
FB(50)
L202
FB(50)
L202
FB(50)
R212 0R212 0
C241
180pF
C241
180pF
L201
FB(50)
L201
FB(50)
R233
0R/NC
R233
0R/NC
C244
33pF/NC
C244
33pF/NC
C209
120pF/NC
C209
120pF/NC
R204
560R 1%
R204
560R 1%
C248
56P
C248
56P
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 100KR201 100K
C203
0.1uF
C203
0.1uF
R218
10K
R218
10K
+ CE207
47uF/6.3v
+ CE207
47uF/6.3v
12
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
GPIO3/INT#
33
GPIO4
34
GPIO6
35
SF_CS_
36
SF_DO
37
SF_DI
38
SF_CK
39
UP1_6/SCL
40
UP1_7/SDA
41
ICE
42
PRST#
43
IR
44
RD0
45
RD1
46
RD2
47
RD3
48
RD4
49
DVDD33
50
RD5
51
RD6
52
RD7
53
DVDD18
54
DQM0
55
RD15
56
RD14
57
RD13
58
RD12
59
DVSS33
60
RD11
61
RD10
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/GPIO18
99
HSTL/GPIO17
98
HOE/GPIO16
97
RFH/OPINN
128
RFG/OPINP
127
RFIN/OPOUT
126
RFIP
125
AGND18
124
AVDD18_1
123
ADACVDD2
122
ADACVDD1
121
AL/GPIO1
120
AVCM
119
AR/GPIO0
118
ADACVSS
117
APLLCAP
116
APLLVDD
115
AADVDD
114
AKIN1/GPIO21/Audio_mute
113
ADVCM/GPIO20
112
AKIN2/GPIO19/Audio_mute
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 0RR203 0R
C211 4.7uFC211 4.7uF
+
CE211
220uF/6.3v
+
CE211
220uF/6.3v
12
C218
0.1uF
C218
0.1uF
B
C
E
Q201
3904
B
C
E
Q201
3904
1
3 2
C239
1uF
C239
1uF
R224
3.3K
R224
3.3K
R268 0R268 0
SW201
SW212
SW201
SW212
1 4
2 3
C233
6800pF
C233
6800pF
U202
AP1117EL-13
SOT223
U202
AP1117EL-13
SOT223
OUT
2
IN
3
ADJ
1
TAB
4
R232 0R232 0
C225
0.1uF
C225
0.1uF
C208 0.1uFC208 0.1uF
L209
2.7uH/NC
L209
2.7uH/NC
C227
0.1uF
C227
0.1uF
R221 27KR221 27K
R269
0
R269
0
L215
10uh
L215
10uh
+
CE209
100uF/6.3V
+
CE209
100uF/6.3V
12
+
CE203
100uF/6.3v
+
CE203
100uF/6.3v
12
C252
0.1uF
C252
0.1uF
C201
0.1uF
C201
0.1uF
C240
56P
C240
56P
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
C214 220pFC214 220pF
Y201
27M
Y201
27M
1 2
3
R210 0R210 0
R235
4.7K
R235
4.7K
R213
100 R
R213
100 R
R229 10KR229 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
C228 1u FC228 1uF
C224
0.1uF
C224
0.1uF
C213
0.1uF
C213
0.1uF
+ CE212
220uF/6.3v
+ CE212
220uF/6.3v
12
L20847uH/NC L20847uH/NC
R226
15K
R226
15K
C222 1500pFC222 1500pF
C212
27pF
C212
27pF
C202
330pF
C202
330pF
C237
56P
C237
56P
C231
0.1uF
C231
0.1uF
L212
FB(600)
L212
FB(600)
L203 FB(50)L203 FB(50)
R211 15KR211 15K
R216 15KR216 15K
R222 0R222 0
+
CE205
100uF/6.3V
+
CE205
100uF/6.3V
12
R208 0R208 0
+ CE206
10uF/16V
+ CE206
10uF/16V
12
C232
27pF
C232
27pF
R249 2KR249 2K
RN201 10Kx4RN201 10Kx4
1 8
2 7
3 6
4 5

LG DP450P Specifications

General

Brand	LG
Model	DP450P
Category	Portable DVD Player
Language	English