LG 32LF7300 Service Manual page 40

5
C88 C88 C97 C97
103p/50V/1005 103p/50V/1005 103p/50V/1005 103p/50V/1005
D
U102B U102B
FLI10620H FLI10620H
E4
ADC_VDDA33
F4
ADC_VDDA33
G4
ADC_VDDA33
H4
ADC_VDDA33
K4
ADC_VDDA33
E3
ADC_GNDA
F1
ADC_GNDA
G3
ADC_GNDA
F5
ADC_GNDA
G5
ADC_GNDA
H5
ADC_GNDA
J5
ADC_GNDA
K5
C
ADC_GNDA
+1V2
P6
AUD_AVDD12
R6
AUD_AVDD12
C124 C124 C125 C125 C126 C126
106p/16V/2012 106p/16V/2012 104p/16V/1005 104p/16V/1005 104p/16V/1005 104p/16V/1005
N6
AUD_AVSS12
2WIRE_S0_SCL
+3V3_D
2WIRE_S0_SDA
L19 L19
G6
15 FB1
SCART_FB
BLM18PG121SN1D BLM18PG121SN1D
T6
AUD_AVDD33
T5
AUD_AVDD33
C139 C139
104p/16V/1005 104p/16V/1005
C138 C138 C140 C140
104p/16V/1005 104p/16V/1005
106p/16V/2012 106p/16V/2012
P2
B
AUD_AVSS33
P1
AUD_AVSS33
SC2_CVBS_OUT
J4
VOUT2
AUD_MONO_IN
A
5
5
+3V3_A
L262 L262 U102E U102E
L261 L261 BLM18PG121SN1D BLM18PG121SN1D FLI10620H FLI10620H
BLM18PG121SN1D BLM18PG121SN1D
LVTX_ODD_CH0N_DISP23
LVTX_ODD_CH0P_DISP22
AF24
LVTX_VDD33 LVTX_ODD_CH1N_DISP21
C261 C261
AE22
D LVTX_VDD33 LVTX_ODD_CH1P_DISP20
106p/16V/2012 106p/16V/2012
AE21
LVTX_VDD33 LVTX_ODD_CH2N_DISP19
LVTX_ODD_CH2P_DISP18
C262 C262
LVTX_ODD_CLKN_DISP17
104p/16V/1005 104p/16V/1005
AG26
LVTX_PLL_VDD33 LVTX_ODD_CLKP_DISP16
LVTX_ODD_CH3N_DISP15
AG27
LVTX_VSS LVTX_ODD_CH3P_DISP14
LVTX_ODD_CH4N_DISP3
LVTX_ODD_CH4P_DISP2
LVTX_ODD_CH5N_DISPCLK
LVTX_ODD_CH5P_DISPDE
C263 C263
104p/16V/1005 104p/16V/1005
AD21
LVTX_VSS LVTX_EVN_CH0N_DISP13
AD22
LVTX_VSS LVTX_EVN_CH0P_DISP12
AE23
LVTX_VSS LVTX_EVN_CH1N_DISP11
LVTX_EVN_CH1P_DISP10
LVTX_EVN_CH2N_DISP9
LVTX_EVN_CH3N_DISP5
LVTX_EVN_CH4N_DISP1
LVTX_EVN_CH5N_DISPVS
LVTX_EVN_CH5P_DISPHS
C
PANEL CONTROL
B
C264 C264
106p/25V/3216 106p/25V/3216
R267 R267
103/1005 103/1005
PANEL_PWR
1
A
5
4
+3V3_D
L18 L18
BLM18PG121SN1D BLM18PG121SN1D
C98 C98 C89 C89 C99 C99
104p/16V/1005 104p/16V/1005 104p/16V/1005 104p/16V/1005 106p/16V/2012 106p/16V/2012
C102 C102 104p/16V/1005 104p/16V/1005 R128 R128 200/1005 200/1005
K1
R_GRA
C103 C103 104p/16V/1005 104p/16V/1005 R129 R129 200/1005 200/1005
J1
G_GRA
C104 C104 104p/16V/1005 104p/16V/1005 R130 R130 200/1005 200/1005
J2
B_GRA
C108 C108 104p/16V/1005 104p/16V/1005 R131 R131 200/1005 200/1005
C2
A1P
C109 C109 104p/16V/1005 104p/16V/1005 R132 R132 200/1005 200/1005
E2
A2P
C105 C105 104p/16V/1005 104p/16V/1005 R133 R133 200/1005 200/1005
G2
A3P
C106 C106 104p/16V/1005 104p/16V/1005 R134 R134 200/1005 200/1005
K3
A4P
C107 C107 104p/16V/1005 104p/16V/1005 R135 R135 57R6/F/1005 57R6/F/1005
D2
AN
C110 C110 104p/16V/1005 104p/16V/1005 R136 R136 200/1005 200/1005
B1
B1P
C111 C111 104p/16V/1005 104p/16V/1005 R137 R137 200/1005 200/1005
D1
B2P
C112 C112 104p/16V/1005 104p/16V/1005 R138 R138 200/1005 200/1005
G1
B3P
C113 C113 104p/16V/1005 104p/16V/1005 R139 R139 200/1005 200/1005
L2
B4P
C114 C114 104p/16V/1005 104p/16V/1005 R140 R140 57R6/F/1005 57R6/F/1005
F2
BN
C115 C115 104p/16V/1005 104p/16V/1005 R141 R141 200/1005 200/1005
C1
C1P
C116 C116 104p/16V/1005 104p/16V/1005 R142 R142 200/1005 200/1005
E1
C2P
C117 C117 104p/16V/1005 104p/16V/1005 R143 R143 200/1005 200/1005
H1
C3P
C118 C118 104p/16V/1005 104p/16V/1005 R144 R144 200/1005 200/1005
L1
C4P
C119 C119 104p/16V/1005 104p/16V/1005 R145 R145 57R6/F/1005 57R6/F/1005
H2
CN
C120 C120 104p/16V/1005 104p/16V/1005 R147 R147 200/1005 200/1005
D3
SV1P
C122 C122 104p/16V/1005 104p/16V/1005 R148 R148 200/1005 200/1005
F3
SV2P
C123 C123 104p/16V/1005 104p/16V/1005 R149 R149 200/1005 200/1005
H3
SV3P
C127 C127 104p/16V/1005 104p/16V/1005 R150 R150 200/1005 200/1005
J3
SV4P
C128 C128 104p/16V/1005 104p/16V/1005 R151 R151 57R6/F/1005 57R6/F/1005
K2
SVN
J6
AHS_ACS
H6
AVS
A12
B12
C129 C129 104p/16V/1005 104p/16V/1005 R152 R152 200/1005 200/1005
K6
SIF_IN
C130 C130 104p/16V/1005 104p/16V/1005 R153 R153 57R6/F/1005 57R6/F/1005
M6
SIF_RTN
C131 C131 105p/16V/1005 105p/16V/1005 AUDI_L1 R155 R155 103/1005 103/1005
M3
AUD_IN_L1
C132 C132 105p/16V/1005 105p/16V/1005 AUDI_R1 R156 R156 103/1005 103/1005
M4
AUD_IN_R1
C133 C133 105p/16V/1005 105p/16V/1005 AUDI_L2 R157 R157 103/1005 103/1005
M1
AUD_IN_L2
AUDI_R2
M2 C134 C134 105p/16V/1005 105p/16V/1005 R158 R158 103/1005 103/1005
AUD_IN_R2
C135 C135 105p/16V/1005 105p/16V/1005 AUDI_L3 R159 R159 103/1005 103/1005
N5
AUD_IN_L3
C136 C136 105p/16V/1005 105p/16V/1005 AUDI_R3 R160 R160 103/1005 103/1005
M5
AUD_IN_R3
C137 C137 105p/16V/1005 105p/16V/1005 AUDI_L4 R161 R161 103/1005 103/1005
N3
AUD_IN_L4
C141 C141 105p/16V/1005 105p/16V/1005 AUDI_R4 R162 R162 103/1005 103/1005
N4
AUD_IN_R4
C142 C142 105p/16V/1005 105p/16V/1005 AUDI_L5 R163 R163 103/1005 103/1005
N1
AUD_IN_L5
C143 C143 105p/16V/1005 105p/16V/1005 AUDI_R5 R164 R164 103/1005 103/1005
N2
AUD_IN_R5
L3
AUD_VREFP
L4
AUD_VREFN
L5
AUD_VCM
TP87 TP87 C144 C144
L6 1
PCB_TP08 PCB_TP08 C146 C146 C147 C147 104p/16V/1005 104p/16V/1005
104p/16V/1005 104p/16V/1005 106p/16V/2012 106p/16V/2012
AUDI_L1 R166 R166 392/1005 392/1005
AUDI_R1 R167 R167 392/1005 392/1005
AUDI_L2 R168 R168 392/1005 392/1005
AUDI_R2 R169 R169 392/1005 392/1005
AUDI_L3 R171 R171 392/1005 392/1005
AUDI_R3 R172 R172 392/1005 392/1005
AUDI_L4 R173 R173 392/1005 392/1005
AUDI_R4 R174 R174 392/1005 392/1005
AUDI_L5 R175 R175 392/1005 392/1005
AUDI_R5 R176 R176 392/1005 392/1005
2Vrms
4
4
RN261 RN261 TXA0-
AH29 1 4
330*2 330*2 TXA0+
AJ29 2 3
RN262 RN262 TXA1-
AH28 1 4
330*2 330*2 TXA1+
AJ28 2 3
RN263 RN263 TXA2-
AH27 1 4
330*2 330*2 TXA2+
AJ27 2 3
RN264 RN264 TXACLK-
AH26 1 4
330*2 330*2 TXACLK+
AJ26 2 3
RN265 RN265 TXA3-
AH25 1 4
330*2 330*2 TXA3+
AJ25 2 3
RN266 RN266 TXA4-
AH24 1 4
330*2 330*2 TXA4+
AJ24 2 3
AG29
AG28
RN267 RN267 TXB0-
AH23 1 4
330*2 330*2 TXB0+
AJ23 2 3
RN268 RN268 TXB1-
AF23 1 4
330*2 330*2 TXB1+
AG23 2 3
RN269 RN269 TXB2-
AH22 1 4
330*2 330*2 TXB2+
AJ22 2 3
LVTX_EVN_CH2P_DISP8
RN270 RN270 TXBCLK-
AF22 1 4
LVTX_EVN_CLKN_DISP7
330*2 330*2 TXBCLK+
AG22 2 3
LVTX_EVN_CLKP_DISP6
RN271 RN271 TXB3-
AH21 1 4
330*2 330*2 TXB3+
AJ21 2 3
LVTX_EVN_CH3P_DISP4
RN272 RN272 TXB4-
AF21 1 4
330*2 330*2 TXB4+
AG21 2 3
LVTX_EVN_CH4P_DISP0
AG25
AG24
B21
PBIAS
R268 R268 000/1005 000/1005 PANEL_PWR
A21
PPWR
5 OPC_CTL1
5 OPC_CTL
+12V
L264 L264
BLM31PG121SN1L BLM31PG121SN1L
C265 C265 R265 R265 C266 C266
104p/50V 104p/50V 472/1005 472/1005
475p/16V/3216 475p/16V/3216
R266 R266
472/1005 472/1005
1
MODULE_POWER
Q261 Q261
IRLML6402TRPBF IRLML6402TRPBF
Q262 Q262
MMBT4401 MMBT4401
C267 C267 C268 C268
104p/50V 104p/50V 106p/25V/3216 106p/25V/3216
4
3
+3V3_D
L16 L16
BLM18PG121SN1D BLM18PG121SN1D
C87 C87 C91 C91
106p/16V/2012 106p/16V/2012 104p/16V/1005 104p/16V/1005
PC_R 13
PC_G 13
C90 C90
PC_B 13
104p/16V/1005 104p/16V/1005
SCART1_G 15
COMP_Y 17
TP78 TP78
1
PCB_TP08 PCB_TP08
SCART1_B 15
TP79 TP79
1
PCB_TP08 PCB_TP08
COMP_Pb 17
TP81 TP81
1
PCB_TP08 PCB_TP08
SCART1_R 15
C121 C121
COMP_Pr 17
104p/16V/1005 104p/16V/1005
ST_CVBS_OUT 42
SCART1_CVBS 15
SCART2_CVBS 16
AV_CVBS 17
RF_CVBS
RF_CVBS 28
PC_HSYNC 13
PC_VSYNC 13
SIF 28
R154 R154
OPEN-102/1005 OPEN-102/1005
PC_LI 13
PC_RI 13
COMP_LI 17
COMP_RI 17
CVBS_LI 17
CVBS_RI 17
SCART1_LI 15
SCART1_RI 15
+3V3_D
SCART2_LI 16
SCART2_RI 16
L20 L20
BLM18PG121SN1D BLM18PG121SN1D
C145 C145
106p/16V/2012 106p/16V/2012
SC2_CVBS_OUT
RF_CVBS
+5V
L21 L21
BLM18PG300SN1D BLM18PG300SN1D
3
3
TXA0- 22
TXA0+ 22
TXA1- 22
TXA1+ 22
TXA2- 22
TXA2+ 22
TXACLK- 22
TXACLK+ 22
TXA3- 22
TXA3+ 22
TXA4- 22
TXA4+ 22
TXB0- 22
TXB0+ 22
TXB1- 22
TXB1+ 22
TXB2- 22
TXB2+ 22
TXBCLK- 22
TXBCLK+ 22
TXB3- 22
TXB3+ 22
TXB4- 22
TXB4+ 22
+3V3D
R178 R178
OPEN-472/1005 OPEN-472/1005
R562 R562 OPEN-000/1005 OPEN-000/1005
R563 R563 OPEN-000/1005 OPEN-000/1005 R180 R180 OPEN-103/1005 OPEN-103/1005
1
R371 R371 OPEN-000/1005 OPEN-000/1005
+3V3D +3V3D
R181 R181
OPEN-472/1005 OPEN-472/1005
R184 R184 OPEN-103/1005 OPEN-103/1005
1
5 BIT_SEL
S2
R372 R372 OPEN-000/1005 OPEN-000/1005
3
2
+1V2
C93 C93
104p/16V/1005 104p/16V/1005
C92 C92 C94 C94
104p/16V/1005 104p/16V/1005 104p/16V/1005 104p/16V/1005
R1
AUD_OUT1_L
AJ1 R2
VDAC_BU_P AUD_OUT1_R
AH1 T3
VDAC_BU_N AUD_OUT2_L
T4
AUD_OUT2_R
AJ3 R3
VDAC_GY_YC_P LS_OUT_L
AH3 R4
VDAC_GY_YC_N LS_OUT_R
R5
LS_OUT_SW
AJ2
VDAC_RV_P
AH2
VDAC_RV_N
T1
AUD_OUT_HP_L
T2
AUD_OUT_HP_R
AG5
VDAC_COMP
AE1
AUDIO_MUTE
AH4
VDAC_RSET
R146 R146
182/F/1005 182/F/1005 U102I U102I
FLI10620H FLI10620H
U102H U102H
FLI10620H FLI10620H
W1
OOB_CTX
W2
OOB_CRX
W3
OOB_DRX
AJ5
CDI_ERROR
AJ7 1
CDI_D0
AJ6 1
CDI_SYNC
AH6 1
CDI_VALID
AH7 1
CDI_CLK
U14 U14
C148 C148 106p/16V/2012 106p/16V/2012
1 8
IN1 OUT1
R165 R165
2 7
IN2 OUT2
OPEN-750/F/1005 OPEN-750/F/1005
3 6
IN3 OUT3
C151 C151 106p/16V/2012 106p/16V/2012
4 5
VCC GND
R170 R170
OPEN-750/F/1005 OPEN-750/F/1005 FMS6143 FMS6143
Video 6dB Amplifier
C152 C152 C153 C153
104p/16V/1005 104p/16V/1005 106p/16V/2012 106p/16V/2012
LGE HD T+C LGE HD T+C LGE HD T+C
Title Title Title
Size Size Size Document Number Document Number Document Number
Date: Date: Date: Wednesday, April 15, 2009 Wednesday, April 15, 2009 Wednesday, April 15, 2009
2
2
[LVDS Select] : 41Pin
'H' =JEIDA
'L' or NC = VESA
TP320 TP320
1
1,22 PWM_DIM_IN
TP319 TP319
1
1,22 PWM_DIM_OUT
OPC_CONTROL TP318 TP318
1
TXA0- TP289 TP289
1
TXA0+ TP290 TP290
1
TXA1- TP291 TP291
1
TXA1+ TP292 TP292
1
TXA2- TP293 TP293
1
TXA2+ TP294 TP294
1
TXACLK- TP295 TP295
1
TXACLK+ TP296 TP296
1
TXA3- TP297 TP297
1
TXA3+ TP298 TP298
1
TXA4- TP299 TP299
1
TXA4+ TP300 TP300
1
BIT_SELECT TP321 TP321
1
TXB0- TP301 TP301
1
TXB0+ TP302 TP302
1
TXB1- TP303 TP303
1
TXB1+ TP304 TP304
1
TXB2- TP305 TP305
1
TXB2+ TP306 TP306
1
TXBCLK- TP307 TP307
1
TXBCLK+ TP308 TP308
1
TXB3- TP309 TP309
1
TXB3+ TP310 TP310
1
TXB4- TP311 TP311
1
TXB4+ TP312 TP312
1
MODULE_POWER
TP313 TP313
1
+3V3D
R179 R179
OPEN-511/1005 OPEN-511/1005
OPC_CONTROL
OPC_CONTROL 22
'H' =Enable
Q18 Q18
'L' or NC = Disable
OPEN-MMBT4401 OPEN-MMBT4401
R182 R182
OPEN-332/1005 OPEN-332/1005
R183 R183 BIT_SELECT
BIT_SELECT 22
OPEN-000/1005 OPEN-000/1005
Q19 Q19 'L' = 8Bits
OPEN-MMBT4401 OPEN-MMBT4401
'H/NC' = 10Bits
LGE HD T+C LGE HD T+C LGE HD T+C
Title Title Title
Size Size Size Document Number Document Number Document Number
Date: Date: Date: Wednesday, April 15, 2009 Wednesday, April 15, 2009 Wednesday, April 15, 2009
2
1
+3V3_D
L17 L17
BLM18PG121SN1D BLM18PG121SN1D
D
C95 C95 C96 C96 C101 C101
104p/16V/1005 104p/16V/1005 104p/16V/1005 104p/16V/1005 106p/16V/2012 106p/16V/2012
C100 C100
104p/16V/1005 104p/16V/1005
SCART1_LO 15
SCART1_RO 15
SCART2_LO 16
SCART2_RO 16
PCB_TP08 PCB_TP08 TP80 TP80
1
HP_L_OUT 18
HP_R_OUT 18
PCB_TP08 TP82 PCB_TP08 TP82
1
C
TP83 PCB_TP08 TP83 PCB_TP08
TP84 PCB_TP08 TP84 PCB_TP08
TP85 PCB_TP08 TP85 PCB_TP08
TP86 PCB_TP08 TP86 PCB_TP08
B
C149 C149 470uF/16V/BXJ/S 470uF/16V/BXJ/S
SC2_CVBSO 16
C150 C150 470uF/16V/BXJ/S 470uF/16V/BXJ/S
SC1_CVBSO 15
A
LF7300 LF7300 LF7300
DOUGLAS[AV INPUT] DOUGLAS[AV INPUT] DOUGLAS[AV INPUT]
Rev Rev Rev
LF7300-MAIN-09 LF7300-MAIN-09 LF7300-MAIN-09
10 10 10
Sheet Sheet Sheet 9 9 9 of of of 43 43 43
1
1
TOP View
JP261 JP261
OPEN-FW12501-41AR OPEN-FW12501-41AR
1
41 42
PCB_TP10 PCB_TP10
40 43 2
PCB_TP10 PCB_TP10 3
39
PCB_TP10 PCB_TP10 4
38
PCB_TP10 PCB_TP10
37 5
PCB_TP10 PCB_TP10 6
36
PCB_TP10 PCB_TP10
35 7
D
PCB_TP10 PCB_TP10
34 8
PCB_TP10 PCB_TP10 9
33
PCB_TP10 PCB_TP10
32 10
11
31
PCB_TP10 PCB_TP10 12
30
PCB_TP10 PCB_TP10
29 13
14
28
PCB_TP10 PCB_TP10
27 15
PCB_TP10 PCB_TP10 16
26
PCB_TP10 PCB_TP10 17
25
PCB_TP10 PCB_TP10
24 18
PCB_TP10 PCB_TP10 19
23
PCB_TP10 PCB_TP10 20
22
PCB_TP10 PCB_TP10
21 21
PCB_TP10 PCB_TP10 22
20
PCB_TP10 PCB_TP10
19 23
PCB_TP10 PCB_TP10 24
18
PCB_TP10 PCB_TP10 25
17
16 26
PCB_TP10 PCB_TP10 27
15
PCB_TP10 PCB_TP10 28
14
29
13
PCB_TP10 PCB_TP10 30
12
PCB_TP10 PCB_TP10
11 31
PCB_TP10 PCB_TP10 32
10
PCB_TP10 PCB_TP10 33
9
8 34
C
35
7
6 36
37
5
PCB_TP15 PCB_TP15 38
4
3 39
40
2
41
1
B
A
LF7300 LF7300 LF7300
DOUGLAS[LVDS] DOUGLAS[LVDS] DOUGLAS[LVDS]
Rev Rev Rev
LF7300-MAIN-10 LF7300-MAIN-10 LF7300-MAIN-10
10 10 10
Sheet Sheet Sheet 10 10 10 of of of 43 43 43
1