LG 32LD400_LC320WUG-SCR7 Service Manual page 130

5
D
R217 R217 75 75 C164 0.047uF/25V C164 0.047uF/25V
NEAR MT5387
(10) CVBS1
(10) CVBSN
AVDD33_CVBS
AVDD33_DIG
(14) ADIN0
(14) ADIN1
(13) ADIN2
R861 R861 22 22
(14) SENSOR_IN
(3) T_PWR_EN
R832 R832 22 22
(1) +12V_EN
R833 R833 22 22
(1) BL_EN
C AVDD33_XTAL_STB
AVDD33_XTAL_STB
OXTALO
(4) OXTALO
OXTALI
(4) OXTALI
AVDD33_DEMOD1
AVDD33_DEMOD1
C372 C372 C373 C373 C155 C155 C153 C153
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.01uF/16V 0.01uF/16V 0.01uF/16V 0.01uF/16V VIN_ATV
(5) VIN_ATV
VIP_ATV
(5) VIP_ATV
AVDD12_APLL
NEAR IC
AVDD33_AADC
R191 R191 30K 30K
(10) YPBPR0R_IN0
VMID_AADC
R192 R192 30K 30K
(10) YPBPR0L_IN0
R209 R209 30K 30K
(11) VGAR_IN0
C525 C525 R196 R196 30K 30K
(7) HDMIR_IN0
C526 C526 4.7uF/10V 4.7uF/10V R216 R216 30K 30K
(11) VGAL_IN0
0.1uF/16V 0.1uF/16V 0805C 0805C R193 R193 30K 30K
(7) HDMIL_IN0
R189 R189 30K 30K
(10) AV1R_IN0
R190 R190 30K 30K
(10) AV1L_IN0
REFP_AADC
REFP_AADC
AR0
(13) AR0
AR1
(12) AR1
AVDD33_DAC
AL0
(13) AL0
AL1
(12) AL1
FS_VDAC
TP31 TP31
R806 R806
AVDD33_VDAC
C529 C529 560_F 560_F
0.1uF/16V 0.1uF/16V
TP27 TP27
TP28 TP28
TP29 TP29
TP30 TP30
(4) GPIO1
B SYSTEM EEPROM OSDA0
(4) OSDA0
OSCL0
(4) OSCL0
(5) IF_AGC
R74 R74 180 180
(5) TUNER_DATA
R78 R78 180 180
(5) TUNER_CLK
(1) BL_ERR_STATUS
SPDIF OUTPUT
ASPDIF
(10) SPDIF
A
MT5387 DE-CAP.
DDRV
near MT5387 near pin 203&212
(3,6) DDRV
near pin 166&171
C499 C499 C500 C500
4.7uF/10V/0805 4.7uF/10V/0805 1uF/10V 1uF/10V
0805C 0805C
5
4
0805C 0805C
65
SC0
66
SY0
CVBS1P 67
CVBS1P
CVBSN
68
CVBS0N
69
CVBS0P
AVDD33_CVBS 70
AVDD33_CVBS
71
AF
AVDD33_DIG
72
AVDD33_DIG
73
VCCK VCCK
ADIN0 74
ADIN0
ADIN1
75
ADIN1
ADIN2
76
ADIN2
ADIN3
77
ADIN3
ADIN4 78
ADIN4
ADIN5
79
ADIN5
80
AVDD33_XTAL_STB
81
XTALO
82
XTALI
83
AVDD33_DEMOD1
84
AVDD33_DEMOD1
85
ADCINN_DEMOD
86
ADCINP_DEMOD
U15 U15
87
AVSS33_DEMOD1
88
AVSS33_DEMOD1
AVDD12_APLL 89 MT5387_257 MT5387_257
AVDD12_DTDPLL
AVDD12_APLL
90
AVDD12_TVDPLL
AVDD12_APLL
91
AVDD12_APLL
AVDD33_AADC
92
AVDD33_AADC
AIN0_R 93
AIN0_R
VMID_AADC
94
VMID_AADC
AIN0_L
95
AIN0_L
AIN3_R 96
AIN3_R
AIN4_R 97
AIN4_R
AIN3_L
98
AIN3_L
AIN4_L
99
AIN4_L
AIN5_R 100
AIN5_R
101
AIN6_R
AIN5_L
102
AIN5_L
103
AIN6_L
104
AVDD33_REF_AADC
105
AR0
106
AR1
AVDD33_DAC
107
AVDD33_DAC
108
AVSS33_DAC
109
AL0
110
AL1
VCCK 111
VCCK
DACOUT1 112
VDAC_OUT
AVDD33_VDAC
113
AVDD33_VDAC
FS_VDAC
114
FS_VDAC
115
AVSS33_VDAC
116
AVSS33_VDAC
AOSDATA0
117
AOSDATA0
AOBCK
118
AOBCK
AOLRCK 119
AOLRCK
AOMCLK 120
AOMCLK
ASPDIF
121
ASPDIF
GPIO1
122
GPIO1
R824 R824 22 22 123
OSDA0
R825 R825 22 22 124
OSCL0
IF_AGCT
125
IF_AGC
126
TUNER_DATA
127
TUNER_CLK
128
LVDS_CTRL1
TP32 TP32
Bottern
Main Chip Bottom Side
near pin 177&182 near pin 220&225 near pin 236&241
near pin 187&192 near pin 231 near pin 246&249
C501 C501 C502 C502 C503 C503 C504 C504 C505 C505 C506 C506
1uF/10V 1uF/10V 1uF/10V 1uF/10V 1uF/10V 1uF/10V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
4
3
R802 R802
10K 10K
VCC3IO
256
VCC3IO
255 PDD1
PDD1
254 HDMI_CH_SELECT1
U1TX
253
U1RX
252
VCCK VCCK
251 RCLK1#
RCLK1_
RCLK1
250
RCLK1
249
VCC2IO DDRV
RDQ21
248
RDQ21
247 RDQ18
RDQ18
246
DDRV
VCC2IO
RDQ16
245
RDQ16
RDQ23
244
RDQ23
243 RDQ29
RDQ29
RDQ26
242
RDQ26
241
VCC2IO DDRV
240 RDQ24
RDQ24
239 RDQ31
RDQ31
RDQS3#
238
RDQS3_
RDQS3
237
RDQS3
236
DDRV
VCC2IO
235 RDQS2#
RDQS2_
RDQS2
234
RDQS2
RDQM2
233
RDQM2
232 RDQM3
RDQM3
231
DDRV
VCC2IO
RDQ27
230
RDQ27
RDQ30
229
RDQ30
228
VCCK
VCCK
RDQ25
227
RDQ25
RDQ28
226
RDQ28
225
DDRV
VCC2IO
224 RDQ22
RDQ22
RDQ17 RDQ17
223
RDQ17
RDQ19
222
RDQ19
221 RDQ20
RDQ20
220
DDRV
VCC2IO
219
MEM_VREF
218
RODT
217
RRAS_
216
RCS_
215
RA11
214
RA8
213
RA0
212
DDRV
VCC2IO
211
RWE_
210
RA6
209
VCCK
VCCK
208
RCKE
AVSS12_MEMPLL
207
AVSS12_MEMPLL
206 AVDD12_MEMPLL
AVDD12_MEMPLL
205
RCAS_
204
RA4
203
VCC2IO DDRV
202
RA2
201
RBA1
200
RBA0
199
RA1
198
RA10
197
RA3
196
RA5
195
RA7
194
RA12
193
RA9
R779 R779
4K7 4K7
DDRV MT5387
RVREF
R790 R790
1K 1% 1K 1%
NEAR MT5387 pin 219
MEM_VREF3
near pin166
R793 R793
C507 C507 C554 C554 1K 1% 1K 1% C488 C488
0.1uF/16V 0.1uF/16V 1uF/10V 1uF/10V 0.1uF/16V 0.1uF/16V
3
2
AV33 NEAR IC pin 13 AV125 NEAR IC pin 26
AVDD33_USB R822 R822
(2,3,4,12) AV33 (3) AV125
1_F 1_F
C510 C510
0.1uF/16V 0.1uF/16V
NEAR IC pin 63
AV33 NEAR IC pin 25 AV125
R821 R821 AVDD33_HDMI AVDD12_RGB
0 0
DEL C554
C516 C516
0.1uF/16V 0.1uF/16V
AVSS12_RGB
NEAR IC pin 64
AV33 NEAR IC pin 70 AVDD33_CVBS AV125 AVDD12_APLL
AVDD33_CVBS R815 R815
0 0
VCC3IO
PDD1 (4)
AV33 NEAR IC pin 83 & 84 AV125
HDMI_CH_SELECT1 (7)
FB15 FB15 AVDD33_DEMOD1 53.3 mA
3.3nH 3.3nH
RCLK1# (6)
0603L 0603L
RCLK1 (6)
NEAR IC pin 87 & 88 C508 C508
RDQ21 (6)
0.1uF/16V 0.1uF/16V
RDQ18 (6)
AVSS33_DEMOD1
RDQ16 (6)
RDQ23 (6)
RDQ29 (6)
RDQ26 (6)
RDQ24 (6)
RDQ31 (6)
RDQS3# (6)
RDQS3 (6)
AV33 Near IC pin 113 AV33 NEAR IC pin 92
RDQS2# (6)
AVDD33_VDAC
RDQS2 (6)
RDQM2 (6)
RDQM3 (6)
C528 C528
RDQ27 (6)
0.1uF/16V 0.1uF/16V
RDQ30 (6)
AVSS33_VDAC
RDQ25 (6)
RDQ28 (6)
Near IC pin 115&116
RDQ22 (6)
RDQ17 (6)
RDQ19 (6)
RDQ20 (6)
MEM_VREF3
RODT
RODT (6)
RRAS#
RRAS# (6)
RCS#
RCS# (6)
RA11 change FB13 from BEAD to 47 ohm
RA11 (6)
RA8 AV33
RA8 (6)
RA0 FB13 FB13 0805L 0805L AVDD33_DAC
RA0 (6)
150_F 150_F NEAR IC pin 107
RWE#
RWE# (6)
RA6 BOM C523 C523
RA6 (6)
0805C 0805C C524 C524
RCKE CHECK the Vpp
10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V
RCKE (6)
NEAR IC pin 108
AVDD12_MEMPLL
RCAS#
RCAS# (6)
RA4
RA4 (6)
RA2
RA2 (6)
RBA1
RBA1 (6)
RBA0
RBA0 (6)
RA1
RA1 (6)
RA10 DV33 VCC3IO
RA10 (6)
RA3
RA3 (6)
RA5 near pin 157
RA5 (6) (2,3,4,7,14) DV33
RA7 near pin 130
RA7 (6)
RA12 C530 C530
RA12 (6)
RA9
C531 C531 C532 C532 C533 C533
RA9 (6)
4.7uF/10V 4.7uF/10V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
0805C 0805C
VCCK
near pin 29 near pin 73
(2) VCCK
near pin 16 near pin 35
C536 C536
C537 C537 C538 C538 C539 C539
4.7uF/10V 4.7uF/10V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
0805C 0805C
MT5387 STRAPPING MODE
OPWM0 R808 R808 4K7 4K7
ICE mode + Serial boot
OPWM1 R810 R810 4K7 4K7
ASPDIF R812 R812 4K7 4K7 Strapping Mode
XTAL 54M
OPCTRL3 R814 R814 4K7 4K7
Strapping Mode
PDWNC Normal
2
1
NEAR IC pin 45&33?
+3V3SB
AVDD12_HDMI AVDD33_VGA_STB
(2,7,13) +3V3SB
C517 C517 C514 C514 C515 C515
8200pF/50V 8200pF/50V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
AVSS33_VGA_STB
NEAR IC pin 80
+3V3SB
C527 C527 R804 R804 AVDD33_XTAL_STB
0.1uF/16V 0.1uF/16V 0 0
C519 C519
10uF/10V 10uF/10V C513 C513
0805C 0805C 0.1uF/16V 0.1uF/16V
AVSS33_XTAL
AV33 NEAR IC pin 72
NEAR IC pin 89, 90, 91 AVDD33_DIG
C550 C550 C511 C511
1uF/10V 1uF/10V 1uF/10V 1uF/10V
AVSS33_DIG
AV12_MEMPLL
NEAR IC pin 133 AV125 AVDD12_MEMPLL
R820 R820 AVDD12_VPLL NEAR IC pin 206
0 0
C509 C509
C520 C520 1uF/10V 1uF/10V
0.1uF/16V 0.1uF/16V
AVSS12_MEMPLL
NEAR IC pin 207
AV33 AVDD33_LVDS
R823 R823 AVDD33_AADC REFP_AADC
0 0 NEAR IC pin 146
NEAR IC pin 104
C354 C354
C521 C521 C522 C522 C287 C287
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 1uF/10V 1uF/10V 0.1uF/16V 0.1uF/16V
DV33
R856 R856
10K 10K
FHD panel: pull high
PANEL_SEL
HD panel: pull low
R857 R857
NC/10K NC/10K
near pin 256
C535 C535
C534 C534 1uF/10V 1uF/10V
0.1uF/16V 0.1uF/16V
near pin 132 near pin 174 near pin 228
near pin 111 near pin 161 near pin 209 near pin 252
C540 C540 C541 C541 C542 C542 C543 C543 C544 C544 C545 C545 C546 C546 C547 C547 C548 C548
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
Strapping Mode ASPDIF(O) OPWM0(O) OPWM1(O)
0 0 0
GPIO1
1
OPCTRL3(O)
0
APPROVED BY: APPROVED BY: APPROVED BY:
TECHNOLOGY TECHNOLOGY TECHNOLOGY
MODEL MODEL MODEL MT5387_LGE_32/42LD400 MT5387_LGE_32/42LD400 MT5387_LGE_32/42LD400
(3632-1442-0150) (3632-1442-0150) (3632-1442-0150)
CHECKED BY: CHECKED BY: CHECKED BY:
(3642-1112-0150) (3642-1112-0150) (3642-1112-0150)
CIRCUITY CIRCUITY CIRCUITY DIGITAL POWER DIGITAL POWER DIGITAL POWER
DESIGN BY: DESIGN BY: DESIGN BY:
PCB P/ N: PCB P/ N: PCB P/ N: 0171-2271-3274 0171-2271-3274 0171-2271-3274 Sheet Sheet Sheet 8 8 8
ECN NO: ECN NO: ECN NO: N/A N/A N/A REV: REV: REV:
SCH FILE : SCH FILE : SCH FILE :
363214420150.DSN 363214420150.DSN 363214420150.DSN PCB REV: PCB REV: PCB REV:
PCB FILE : PCB FILE : PCB FILE : 017122713274.BRD 017122713274.BRD 017122713274.BRD DATE: DATE: DATE:
Wednesday, August 25, 2010 Wednesday, August 25, 2010 Wednesday, August 25, 2010
1
D
C
B
A
of of of 16 16 16
04 04 04
04 04 04