Read LG 42LG80FR (CHASSIS:LP81G) Service Manual online
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.
+3.3VDDA
RAMRAS
RAMCS
I2S_DIN
RAMDQM
JP703
RAMBA[0]
0.1uF
50V
C750
4.7K
R716
150
R728
IPCLK
MX25L1605AM2C-15G
IC703
IC703_USB
3
WP#
2
SO
4
GND
1
CS#
5
SI
6
SCLK
7
HOLD#
8
VCC
JP702
+1.8VDDC
RAMADD[0-3]
DUPRD0
SFDI
+3.3VDDP
0
R722
+1.8VDDA
RAMWE
0
R723
0.1uF
50V
C732
+1.8VDDC
MBW3216-501TF
L715
+3.3VDDP
27
R700
100uF
16V
C722
SFCLK
SFDO
0.1uF
C717
RAMADD[10]
0.1uF
C713
0
R740
READY
DEC_656[0]
USB_DN
22pF
C745
0.1uF
50V
C742
0.1uF
50V
C753
0.1uF
50V
C748
1K
R709
0
R741
READY
1/10W
1K
5%
R704
+3.3VDDP
0.1uF
C716
0.1uF
50V
C752
0
R725
5pF
50V
C709
RAMRAS
RAMBA[1]
0.1uF
50V
C739
SFDO
4.7K
R706
1/10W
1K
5%
R705
RAMBA[1]
0
R717
0.1uF
50V
C730
10uF
16V
C724
27
R701
+3.3VDDP
USB_DN
0
R720
0.1uF
50V
C729
RAMDQM
75
R737
+3.3VDDP
390
R733
15K
1%
R726
TX_MPEG
+1.8V
0.1uF
50V
C738
RAMCAS
12MHz
X702
SFCS
+3.3VDDP
+3.3VDDP
27MHz
X703
0.1uF
50V
C728
0
R739
SFCLK
+3.3V_USB
0.1uF
C712
0.1uF
50V
C726
+1.8VDDA
0.1uF
50V
C736
RAMBA[0]
JP701
220K
R732
USB_DP
+3.3VDDA
USB_DP
DUPRD0
0.1uF
50V
C731
0
R719
+3.3VDDP
0.1uF
50V
C727
SFDI
75
R734
RAMCAS
0.1uF
C725
75
R736
0.1uF
50V
C723
SFCS
RAMCS
RAMADD[11]
0.1uF
50V
C747
5.1K
READY
R702
IPCLK
47uF
16V
C714
RAMADD[4-9]
I2S_WS_IN
+1.8VDDC
0
R724
DEC_656_CLK
5.1K
READY
R703
0.1uF
50V
C744
0
R721
+1.8VDDA
0.1uF
50V
C749
MPEG_RESET
RAMDAT[8-15]
+5V_USB
SFCLK
0
R718
RAMWE
SFDI
I2S_CLK_IN
0.1uF
50V
C751
RAMADD[0-11]
75
R735
22pF
C746
0.1uF
50V
C743
+3.3VDDA
RAMDAT[0-7]
0.1uF
50V
C734
JP700
DEC_656[0-7]
0.1uF
50V
C737
0.1uF
50V
C741
1/10W
0
5%
R738
0.1uF
50V
C740
+3.3V_SDRAM
0.1uF
50V
C735
RX_MPEG
RAMDAT[0-15]
1/10W
56
5 %
R707
22uF
16V
C710
22uF
16V
C711
22uF
16V
C715
ZR36966PQCG-XD
IC707
U S
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
HY57V641620FTP
IC704
26
A3
27
V D
D 3
28
VSS1
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
35
A11
36
NC1
37
C K
E
38
C L
K
39
U D
Q M
40
NC2
41
VSS2
42
D Q
8
43
V D
D Q
3
44
D Q
9
45
DQ10
46
VSSQ3
47
DQ11
48
DQ12
49
V D
D Q
4
50
DQ13
17
C A
S
3
VDDQ1
6
VSSQ1
16
W E
15
L D
Q M
14
V D
D 2
13
D Q
7
12
VSSQ2
11
D Q
6
10
D Q
5
9
V D
D Q
2
8
D Q
4
7
D Q
3
4
DQ1
5
DQ2
25
A2
24
A1
23
A0
2
DQ0
22
A10/AP
21
BA1
1
VDD1
20
BA0
19
CS
18
R A
S
51
DQ14
52
VSSQ4
53
DQ15
54
VSS3
USB DOWN STREAM
KJA-UB-4-0004
P701
USB
1
2
3
4
5
+3.3VDDP
4.7K
READY
R742
OPT
L716
READY
4.7K
READY
R743
+5V_MULTI
12505WS-04A00
JK700
1
2
3
4
5
6.19K
R715
OCP_EN
22
R744
OCP_EN
FLASH_WP_ZORAN
+3.3VDDP
10K
R710
180
R708
10nF
50V
C754
READY
1K
R727
18pF
C720
18pF
C719
200
R729
READY
MIC2009YM6-TR
IC705
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
120OHM
UBW2012-121F
L711
120OHM
UBW2012-121F
L712
120OHM
UBW2012-121F
L713
120OHM
UBW2012-121F
L714
120OHM
UBW2012-121F
READY
L717
120OHM
UBW2012-121F
L718
MLF2012A2R7JT000
L719
READY
220pF
50V
C755
READY
75
R711
75
R712
75
R713
75
R714
T M
U E
3 12
G A
B
S W
2
1
2
4
3
5
RAMADD[6]
DEC_656[5]
RAMADD[1]
RAMADD[8]
RAMDAT[7]
RAMADD[2]
DEC_656[3]
RAMDAT[6]
RAMADD[3]
RAMDAT[0]
RAMADD[9]
RAMDAT[12]
RAMDAT[5]
RAMADD[8]
DEC_656[2]
RAMDAT[10]
RAMDAT[2]
RAMDAT[4]
RAMADD[9]
RAMDAT[11]
RAMDAT[14]
DEC_656[6]
RAMDAT[7]
DEC_656[4]
RAMDAT[14]
RAMDAT[1]
RAMDAT[0]
RAMADD[11]
RAMDAT[13]
RAMDAT[13]
RAMDAT[4]
RAMDAT[8]
RAMDAT[10]
RAMDAT[3]
RAMDAT[12]
RAMADD[2]
RAMADD[6]
DEC_656[0]
RAMADD[0]
RAMADD[5]
RAMADD[3]
RAMDAT[8]
RAMDAT[15]
RAMADD[7]
RAMADD[4]
RAMADD[4]
RAMADD[5]
RAMDAT[9]
DEC_656[1]
RAMADD[1]
RAMADD[0]
RAMADD[7]
RAMDAT[5]
RAMDAT[15]
RAMDAT[9]
RAMDAT[2]
RAMDAT[1]
RAMADD[10]
RAMDAT[6]
RAMDAT[11]
DEC_656[7]
RAMDAT[3]
7 11
H5 LG80
USB/MPEG DEC
** 1A Design
* R732 Video Output Level Reference
C709 :EMI Solution
placed as close to Connector as possible.
External F/W Download
Capacitors on VBUSA should be
For Initial Download
DEC_656[0] : DUPTD0
* Analog Video Option
ZORAN I2C strobe ready
DUPTD0
* R715 Recommendation is 6.19k 1%
Originally 392 ohm 1%
DEBUG TEST OPTION
* R732 Video Output Level Refere
nc
to meet USB2.0 HS cert
ZORAN SRAM Board F/W Download
Itís possibel to 27~47ohm
Connect to Main IC(CCIR656 Interface)
EAX50569401
MSTAR LP81G
2008/02/20
TOP SIDE!
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