Circuit Diagrams; Mpeg Circuit Diagram - LG DP351G Service Manual

CIRCUIT DIAGRAMS

1. MPEG CIRCUIT DIAGRAM

V18
DV33
L201 L201 L202 L202
1 2 FB(50) FB(50) RFVDD3 1 2 FB(50) FB(50)
RFVDD3
CE202 CE202 + + C218 C218 C205 C205
100uF/6.3v 100uF/6.3v 0.1uF 0.1uF 0.1uF 0.1uF
L204 L204 L206 L206
FB(50) FB(50) AVDD33 FB(50) FB(50)
1 2 AVDD33 1 2
CE203 CE203 + + C206 C206 C213 C213
100uF/6.3v 100uF/6.3v
0.1uF 0.1uF 0.1uF 0.1uF
DV33
R205 R205
AADVDD
AADVDD
10 10 + + CE211 CE211
C210 C210 220uF/6.3v 220uF/6.3v
6800pF 6800pF
3.3V L205 L205 DV33
1 2
FB(50) FB(50) C235 C235
+ CE207 + CE207
0.1uF 0.1uF 47uF/6.3v 47uF/6.3v
U202 U202
CM1117SCM233 CM1117SCM233 L207 L207 V18
3.3V SOT223 SOT223
FB(1206) FB(1206)
4 1 2
TAB
3 2
IN OUT
R223 R223 C236 C236 + CE208 + CE208
680 680 0.1uF 0.1uF 100uF/6.3V 100uF/6.3V
+ CE209 + CE209
100uF/6.3V 100uF/6.3V
R230 R230 330 330
LGE Internal Use Only
DV33 47uH/NC 47uH/NC L208 L208
ADACVDD
ADACVDD
C233 C233
R207 R207 10 10 + + CE212 CE212 6800pF 6800pF
220uF/6.3v 220uF/6.3v
RFV18-1 C203 C203
RFV18-1
47uH L210 47uH L210
APLLVDD3 0.1uF 0.1uF
APLLVDD3
DACVDD3
1 2
DACVDD3
L203 L203 FB(50) FB(50)
RFV18-2 CE205 CE205 + + C221 C221 C226 C226 C201 C201
RFV18-2
100uF/6.3V 100uF/6.3V
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
C209 C209
120pF/NC 120pF/NC
C220 C220
RFV18-1
R234 0R/NC R234 0R/NC
OP+
OPO R202 R202 0R 0R
OP- R203 R203 0R 0R
U201 U201
C R228 R228 0 0
1
RFA
B
R208 R208 0 0 2
RFB
A R222 R222 0 0 3
RFC
D R206 R206 0 0 4
RFD
F R209 R209 0 0
5
RFE
E R210 R210 0 0
6
RFF
RFV18-2
7
RFV18-2 AVDD18_2
RFVDD3 8
RFVDD3
AVDD33_1
XI 9
XTALI
XO
10
XTALO
11
AGND33
V20 12
V20
V1P4 13
V14
R211 R211 15K 15K 14 MT1389LP MT1389LP
REXT
MDI1 R259 R259 0 0
15
MDI1
16
MDI2
LDO1 R232 R232 0 0 17
LDO1
LDO2 R249 R249 2K 2K 18
MDILDO2
AVDD33 19
AVDD33
AVDD33_2
DMO
20
DMO
FMO
21
FMO
STBY 22
TRAY_OPEN
IOA 23
TRAY_CLOSE
TRO
24
TRO
FOO
25
FOO
LIMIT R212 R212 0 0 FG
26
PG/GPIO2
R219 R219 27
USB_DP
10K 10K OPO R233 R233 0R/NC 0R/NC 28
USB_DM
DV33 29
VDD33_USB
R213 R213 5.1K 5.1K
30
VSS33_USB
C217 NC C217 NC 31
DV33 PAD_VRT
32
V18
VDD18_USB
DVD_KEY
L215 L215
10uH 10uH
RN201 10Kx4 RN201 10Kx4
DVD_KEY4
1 8
DVD_KEY3
2 7
3 6 DVD_KEY2
4 5 DVD_KEY1
3.3V
DV33 R217 R217 10k 10k DVD_KEY5
L213 L213 R220 R220 4.7k 4.7k DVD_KEY6
10uH 10uH
10K C TO 4.7K(11.21)
R226 R226 R225 R225 R236 R236 D201 D201
15K 15K 3.3K 3.3K 22K 22K 1N4148/NC 1N4148/NC
URST#
C C + +
B B 3904 3904
R224 R224 1 CE213 CE213
C C Q202 Q202
3.3K 3.3K 22uF/16V 22uF/16V
3904 3904
1 B B E E
Q201 Q201
E E
R235 R235
4.7K 4.7K
L214 L214
10uH 10uH
V20 V1P4
+ + CE204 CE204 C225 C225 + + CE206 CE206
10uF/16V 10uF/16V 10uF/16V 10uF/16V
0.1uF 0.1uF
L209 L209
2.7uH/NC 2.7uH/NC
R201 R201 100K 100K
1000pF/NC 1000pF/NC Y201 Y201
C204 C204 27M 27M R269 R269
XI XO
R268 R268 0 0 1 2 0 0
3
C212 C212 C232 C232
27pF 27pF 27pF 27pF
CE201 CE201 C241 C241
100uF/6.3V 100uF/6.3V 180pF 180pF
CBV160808A471B CBV160808A471B
L211 L211
C223 C223 R204 R204
0.1uF 0.1uF 560R 1% 560R 1%
SW212 SW212
1 SW202 SW202 4
DV33
V18
2 3
OEV
96
VOE/GPIO15
CKV
95
VCK/GPIO14
94 STVL
VSTU/GPIO13
93
SPDIF/GPIO12
TRIN
92
HSTR/11
TXD
91
LR/GPIO10
90
DVDD18
89 RXD
UD/GPIO9
88 DVD_KEY5
VSTD/GPIO8
DVD_KEY4
87
GPIO7/CKE
MA3
86
RA3
85 MA2
RA2
84
DVDD33
83 MA1
RA1
MA0
82
RA0
MA10
81
RA10
80 BA1
BA1
79
DVSS18
78 BA0
BA0
RAS#
77
RAS#
CAS#
76
CAS#
75 WE#
RWE#
74 MA4
RA4
MA5
73
RA5
MA6
72
RA6
MA7
71
RA7
70 MA8
RA8
69 MA9
RA9
68
DVDD33
MA11
67
RA11
DCLK
66
RCLK
65 DQM1
DQM1
MT1389L/SMD MT1389L/SMD
LQFP-128 LQFP-128
DV33
C231 C231 C215 C215
0.1uF 0.1uF 0.1uF 0.1uF
DV33 V18
V18
C239 C239
1uF 1uF
C238 C238 C227 C227
0.1uF 0.1uF 0.1uF 0.1uF
FOSO FOSO FOSO FOSO FOSO FOSO R214 R214 27K 27K FOO
TRSO TRSO TRSO TRSO TRSO TRSO R221 R221 27K 27K TRO
FMSO FMSO FMSO FMSO R216 R216 15K 15K FMO
DMSO DMSO DMSO DMSO DMSO DMSO R229 R229 10K 10K DMO
C202 C202 C229 C229 C216 C216 C207 C207
330pF 330pF 330pF 330pF 0.1uF 0.1uF 0.015uF 0.015uF
V1P4
DV33
1
RXD 2
TXD
3
4
CON4_2.0MM_DIP CON4_2.0MM_DIP
J201 J201
3-39 3-40
SF_CS
SF_CS 3
SF_DO
SF_DO 3
SF_DI
SW212 SW212
SF_DI 3
SF_CK
1 SW201 SW201 4 SF_CK 3
VCOMO
VCOMO 7
STVL
STVL 7
2 3
C234 C234 CKV
CKV 7
OEV
OEV 7
TRIN 0.1uF 0.1uF OEH
OEH 7
STHL
STHL 7
CPH1
R218 R218
CPH1 7
10K 10K 89L_R
89L_R 7
89L_G
89L_G 7
89L_B
DV33 89L_B 7
POWER
CONTRL
3.3V
3.3V 3.4,7
CVBS
CVBS 5
DVD_SLEEP
DVD_SLEEP 7
AL
AL 5
AR
AR 5
IR_OUT
IR_OUT 6
BA0
BA0 3
BA1
BA1 3
FLASH
MA[0..11] MA[0..11] 3
DQ[0..15]
DQ[0..15] 3
MEMORY
DQM[0..1]
DQM[0..1] 3
DCLK
DCLK 3
CAS#
CAS# 3
RAS#
RAS# 3
WE#
WE# 3
C224 C224
0.1uF 0.1uF
IIC
SCL
SCL 3
SDA
SDA 3
C219 C219
0.1uF 0.1uF
GND
GND 3,4,5,6,7
AUDIO INTERFACE
V1P4
V1P4 4
V20
V20 4
OPO
OPO 4
OP-
OP- 4
OP+
OP+ 4
LIMIT
LIMIT 4
IOA
IOA 4
LDO1
LDO1 4
LDO2
LDO2 4
A
A 4
B
B 4
C
C 4
D
D 4
E
E 4
F
F 4
RFO
RFO 4
MDI1
MDI1 4
STBY
STBY 4
TRSO
TRSO 4
DMSO
DMSO 4
FOSO
FOSO 4
FMSO
FMSO 4
SERVO I/F
DVD_KEY1
DVD_KEY1 7
DVD_KEY2
DVD_KEY2 7
DVD_KEY3
DVD_KEY3 7
DVD_KEY4
DVD_KEY4 7
DVD_KEY5
DVD_KEY5 7
DVD_KEY6
DVD_KEY6 7
Copyright © 2008 LG Electronics. Inc. All right reserved.
LG & MALATA LG & MALATA LG & MALATA
02.MPEG 02.MPEG 02.MPEG
Thursday, December 20, 2007 Thursday, December 20, 2007 Thursday, December 20, 2007
Only for training and service purposes