LG 32LG30R Service Manual page 23

DDR
MDATA[0-15]
MDATA[0-15]
MADR[11]
MADR[10] MADR[11]
MADR[9] MADR[10]
MADR[8] MADR[9]
MADR[8]
MADR[7]
MADR[7]
MADR[6]
MADR[6]
MADR[5]
MADR[5]
MADR[4]
MADR[4]
MADR[3]
MADR[3]
MADR[2]
MADR[2]
MADR[1]
MADR[0] MADR[1]
MADR[0]
MADR[0-11]
MADR[0-11]
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
PPWER
16V
1
P_16V
*PANEL OPTION
GND 3
R1197 R1122 C1114 R1127 R1183 R1155 R1103 R1185 R1186 R1187 R1104
12V 5
S h a r p 5 2 " O X X O O O P_12V
X X X X X
AUO O X X O O X X X X X O
GND 7
CMO 32/42/47 X 4.7K 0.47uF O X O O O X X X
X X X
CMO 57" X 4.7K 0.47uF O O X O O
5V
S h a r p 3 2 " X O 9
X X X X X X X X X
P_5V
t h e R e s t ( w / C M O 2 6 " ) X O O O
4.7K 0.47uF X X X X X
5V
11
GND 13
NOT SHARP 32&52",AUO
NOT CMO 57" GND 15
R1122
4.7K
PANEL_STATUS R1127 0
R1197 E r r o r o u t
C1114 17
0
0.47uF
SHARP 52",AUO
NOT SHARP 52",AUO
Power ON
19
R1192
RL_ON 1K
NOT (CMO 32,42,47,57, SHARP 32") A.Dim 21
I_DIMMING R1183 0
C1116
S e l e c t 23
2.2uF
25V
R1191
CMO 32,42,47,57 0
R1155 0 READY
P1100
SMAW200-24C
IC1100
SC4215ISTRT
V 0 = 0 . 8 ( R 1 + R 2 ) / R 2
R1115
NC_1 GND
1 8 R2 0
+3.3V_MST
EN ADJ
2 7 R1
D1102
S2A R1106
18K
+5VST_MST 50V VIN 6 VO
+5VST_MST 3 +3.3V_MULTI_MST
*Applied to SIF,HDMI,ADC,MPLL,AUD
NC_2 NC_3
C1117 C1102 4 5 C1109
C1152
4.7uF 0.1uF 100uF 1 6V 10uF IC1103
AZ1117H-ADJTRE1(EH11A)
D1103
MBRS190T3G
INPUT ADJ/GND
3 1
90V 2
C1128
OUTPUT R1166
100uF 1 6V 3.3K
1%
C1118
100uF
16V
ST 5V->3.3V->1.2V
DCDC_7.22V_PIP
DC-DC CONVERTER ( 8 )
IC1104
AZ1117H-ADJTRE1(EH11A)
e q u a l t o 2 2 0 u F p a d s i z e OUT:UNDER 7.22V R1124 +5V_MULTI
330
INPUT 3 1 ADJ/GND
IC1102 2
1%
MP2355DN-LF-Z C1115 OUTPUT
C1105 0 . 1 u F L1108
100uF R1111
R1123 120OHM
16V 59K 110 READY
C1112
SS RUN 0 . 1 u F 1%
1 8
L1109
R1102
47 BST COMP
2 7 MBW3216-501TF +5V_TUNER
L1100
+12V C1106
MBW3216-501TF 0 . 0 1 u F VIN FB
3 6
C1119
100uF
L1101 C1113
C1103 22uH LX GND 2700pF 16V
0 . 0 1 u F 4 5 50V
IC1107
C1100 C1101 AZ1117H-ADJTRE1(EH11A) USB
220uF 0 . 1 u F
16V C1104 C1107
22uF 10uF C1108 R1110 R1120 R1194
16V D1100 16V 0 . 0 1 u F 12K 7.5K USB INPUT ADJ/GND USB 330
3 1
MBR230LSFT1G
30V 2 1%
OUTPUT R1195
C1120 110
0 . 1 u F
1%
+5V_USB
USB
C1151 +5V_USB
100uF
12V->5V_TUNER 16V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2008
Copyright C LG Electronics. Inc. All right reserved.
Only for training and service purposes
+2.5V_VDDM_MST
IC900
HYB25DC256163CE-4
AR902 AR901
56 56
C902
1/16W 0 . 1 u F VDD_1 VSS_3 1/16W
1 66
MDATA[8] DQ0 DQ15 MDATA[7]
2 65
MDATA[9] VDDQ_1 VSSQ_5 MDATA[6]
3 64
MDATA[10] DQ1 DQ14 MDATA[5]
4 63
MDATA[11] DQ2 DQ13 MDATA[4]
5 62
VSSQ_1 VDDQ_5
C903 6 61
0 . 1 u F C908
DQ3 DQ12 0 . 1 u F
7 60
MDATA[12] DQ4 DQ11 MDATA[3]
8 59
MDATA[13] VDDQ_2 VSSQ_4 MDATA[2]
9 58
MDATA[14] DQ5 DQ10 MDATA[1]
10 57
MDATA[15] DQ6 DQ9 MDATA[0]
11 56
VSSQ_2 VDDQ_4
12 55 AR900
AR903 C904
0 . 1 u F DQ7 DQ8 56
56 13 54
1/16W
1/16W NC_1 NC_8
14 53 C906
0 . 1 u F
VDDQ_3 VSSQ_3
15 52
LDQS UDQS
16 51
DQS1 DQS0
A13/NC_2 NC_7 R909
C905 17 50 1K
0 . 1 u F
VDD_2 VREF
18 49 C909 R906
C907
NC_3 VSS_2 1000pF 0 . 1 u F 1K
19 48
C900
0 . 1 u F LDM UDM
UDQM 20 47 LDQM
WE CK
WEZ 21 46 MCLK
R903 R905
CAS CK READY 150 150
22 45
CASZ MCLKZ
RAS CKE
23 44
RASZ CKE
CS NC_6
24 43
NC_4 A12/NC_5
25 42
BA0 A11 MADR[11]
26 41
SBA0 MADR[11]
BA1 A9 MADR[9]
SBA1 27 40 MADR[9]
A10/AP A8 MADR[8]
MADR[10] MADR[10] 28 39 MADR[8]
A0 A7 MADR[7]
MADR[0] MADR[0] 29 38 MADR[7]
A1 A6 MADR[6]
MADR[1] MADR[1] 30 37 MADR[6]
A2 A5 MADR[5]
MADR[2] 31 36
MADR[2] MADR[5]
A3 A4 MADR[4]
MADR[3] 32 35
MADR[3] MADR[4]
VDD_3 VSS_1
33 34
C901
0 . 1 u F
**MULTI ITEM
MAIN - QIMONDA : EAN41788501
SUB - HYNIX : EAN31729202
LED Block
16V
2 +5V_ST +5V_MULTI
P_16V
4 GND R1189
10K R1190
1.2K
6 12V
P_12V
D1106
8 GND AC_DET
SAM2333
+5V_ST
5V
10
P_5V
5V
12 R1138
4.7K
P_16V
AC_RST
C
14 GND R1133
R1125 0
10K B Q1106
RT1C3904-T112
C1121
R1126
16 AGND 2.7K 0.47uF E
READY
ACD
18 +5V_ST
+5V_ST
R1129 R1184
Inverter ON 10K
20 READY 10K
0
R1105 R1196 10K
R1187
22 PWM Dim
CMO 57" 0 3 R1135 10K DISP_EN
R1132 0 R1104 0 Q1102 1 2
2SC3875S
24 SYNC
NOT CMO 32,42,47,57
R1188
DC_DIM
R1139 1K E_DIMMING
0
READY 1/10W
5%
DC_DIM *SHARP 32" : DC DIMMING
C1125
2.2uF
25V
PWM_DIM
CMO 32,42,47,57 R1139-*1 100
R1103 0 1/10W
5%
R1185 0 CMO 32,42,47
R1186 0 CMO 57"
SWITCH VCC_LCD:12V or 5V
5V:5V_PULLUP,5V_MULTI
P_5V +12V
Q1101
R1140 C1126
33K SI4925DY
1uF 25V
0TF492509AA
R1141
L1104
33K
S1 8 D1_2 UBW2012-121F
1
C EAM38769505
R1134
PANEL_ON 10K B Q1100 G1 7 D1_1 C1136
2
RT1C3904-T112
R1165 0.1uF
51 E
S2 6 D2_2
5% 3
P_5V
L1105
G2 5 D2_1
4 UBW2012-121F
R1130 C1124
+1.2V_VDDC_MST 1uF EAM38769505
22K C1135
OUT:1.25V 0.1uF
R1131
1.6K
C
R1128
10K B Q1107
RL_ON
RT1C3904-T112
E
IC1105
AZ1117H-3.3 R2
USB L1103
R1168 0
+5V_MULTI INPUT 3 MAX 1A 1 ADJ/GND
MBW3216-501TF
2 5%
OUTPUT
R1167
R1 OPT +3.3V_USB
R1148 1
C1153 C1154
100uF
IC1101 0 . 1 u F
16V
AZ1117H-ADJTRE1(EH11A)
R2 R1149
0
IC1108
INPUT ADJ/GND R1144 402
+5V_MULTI 3 MAX 1A 1 110mA C1131
AZ1117H-3.3 R2
2 0.1uF
1%
20mA R1170 0
OUTPUT INPUT 3 MAX 1A 1 ADJ/GND
R1137
R1 365
OUT:2.6V 2 5%
1%
OUTPUT
R1169
+2.5V_VDDM_MST OPT
R1
+3.3V
*3.3V_NTP,TW9910,ETC.
C1111 C1133
C1110
100uF 0 . 1 u F 10uF16V
16V
TW9910 block
C1155 C1156
47uF 0 . 1 u F
16V
SWITCH 5V->DDR 2.5V SWITCH 5V->3.3V->1.8V
+2.5V_VDDM_MST
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
L1106
UBW2012-121F
+16V_NTP
EAM38769505 C1148 C1150
0.1uF 0.01uF
C1122
0.1uF
*12V AUDIO and PANEL
L1112
MBW3216-501TF +12V
P_12V +12V
C1137 EAM30764101
C1139 C1144
47uF25V 0.1uF 0.01uF
L1107
P_5V +5V_ST
C1138 C1140 C1146 UBW2012-121F
220uF 0.1uF 0.01uF C1123
0.1uF
16V
R1163
0
+5VST_MST
P_5V
VCC_LCD
C1149
R1152 R1153 R1154 C1134 100uF
16V
2.2K 2.2K 2.2K 0 . 0 1 u F
+5V_MULTI
C1141
100uF
C1142
16V
0.1uF
C1129 C1130
+3.3V_SDRAM
USB USB
22uF 0.1uF
16V
+3.3V_HDMI_SW
IC1106
AZ1117H-1.8TRE1(EH13A)
R1151 0
INPUT 3 1 ADJ/GND
C1132 5%
2
0.01uF
OUTPUT
R1150
OPT
+1.8V
C1145 C1147
47uF 0.1uF *NTP.USB,TW9910
16V
L1000
UBW2012-121F
+1.8V +1.8V_AVD
C1015 C1010
120OHM
0.1uF 47uF16V
MAX 1A
READY
X1000
27MHz
1M
R1005
+3.3V
C1000
0.1uF
VDDE_1
1 36
SCLK
SCL_Part R1003 100 2 35
+3.3V SDAT
R1002 100 3 34
SDA_Part
PDN
READY 4 33
R1001 IC1000
4.7K RSTB
SW_RESET R1004 100 5 32
TMODE TW9910DANA2-GR
6 31
R1006
NC_1
7 30
4.7K
+1.8V_AVD
AVD_1
8 29
YMUX3
C1003 0.1uF 9 28
YMUX2
C1004 0.1uF 10 27
YGND
11 26
YMUX1
PIP_V C1002 0.1uF 12 25
R1000
75
R1009
+1.8V_AVD
TW9910
+1.8V_AVD
AR1000 DEC_656[0-7]
VD[7]
51
VD[8]
DEC_656[0]
VD[9]
DEC_656[1]
VD[10]
DEC_656[2]
VDD
DEC_656[3]
NC_3
VD[11]
AR1001 51
VD[12]
DEC_656[4]
VD[13]
DEC_656[5]
VD[14]
DEC_656[6]
VD[15] DEC_656[7]
VDDE_2
+3.3V
C1011
0.1uF
51 DEC_656_CLK
C1013
10pF
READY
LGE Internal Use Only