Read LG 37LF7700 Service Manual online
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
+VDD_DDR
+VDD_1V2
+3V3_D_CPU
+VDD_1V2
+VDD_DDR
+3V3_D_CPU
+VDD_DDR
+VDD_1V2
+3V3_D_CPU
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00193MA
1.0
BCM7404 [Digital Power]
LGE freesat
32/37LF7700
25
45
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00193MA
1.0
BCM7404 [Digital Power]
LGE freesat
32/37LF7700
25
45
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00193MA
1.0
BCM7404 [Digital Power]
LGE freesat
32/37LF7700
25
45
Monday, March 16, 2009
C912
226p/6.3V/2012
C912
226p/6.3V/2012
C952
104p/16V/1005
C952
104p/16V/1005
C919
104p/16V/1005
C919
104p/16V/1005
C937
226p/6.3V/2012
C937
226p/6.3V/2012
C941
104p/16V/1005
C941
104p/16V/1005
C918
104p/16V/1005
C918
104p/16V/1005
C943
104p/16V/1005
C943
104p/16V/1005
C921
104p/16V/1005
C921
104p/16V/1005
40mm
40mm
AC911
40X40X10
40mm
40mm
AC911
40X40X10
C926
104p/16V/1005
C926
104p/16V/1005
C911
226p/6.3V/2012
C911
226p/6.3V/2012
C940
106p/16V/2012
C940
106p/16V/2012
C931
104p/16V/1005
C931
104p/16V/1005
C945
104p/16V/1005
C945
104p/16V/1005
C944
104p/16V/1005
C944
104p/16V/1005
C928
104p/16V/1005
C928
104p/16V/1005
C924
226p/6.3V/2012
C924
226p/6.3V/2012
C951
104p/16V/1005
C951
104p/16V/1005
C947
104p/16V/1005
C947
104p/16V/1005
C917
104p/16V/1005
C917
104p/16V/1005
C933
104p/16V/1005
C933
104p/16V/1005
C949
104p/16V/1005
C949
104p/16V/1005
C950
104p/16V/1005
C950
104p/16V/1005
D3
.3
V
D1
.2
V
D2.6V
DDR
D2.5V
DG
ND
ND
U841-18
BCM7404ZKPB1G
BCM7404ZKPB1G
D3
.3
V
D1
.2
V
D2.6V
DDR
D2.5V
DG
ND
ND
U841-18
BCM7404ZKPB1G
BCM7404ZKPB1G
VDDO
W19
VDDO
P20
VDDO
M1
9
VDDO
T19
VDDO
U1
9
DVSS
F20
DVSS
G1
0
DVSS
G1
8
DVSS
G1
9
DVSS
G6
DVSS
H6
VDDO
W14
VDDO
H1
8
VDDO
W18
VDDO
P19
VDDO
N1
9
VDDC
P18
VDDC
V14
VDDC
V15
VDDC
V16
VDDC
Y7
VDDC
W7
VDDC
N1
8
VDDC
R1
8
VDDC
T18
VDDC
R8
VDDC
T8
VDDC
J1
0
VDDC
V18
VDDC
J8
VDDC
K8
VDDC
L8
VDDC
M8
VDDC
N8
VDDC
U8
VDDC
V8
VDDC
V17
VDDC
P8
VDDO
W12
VDDO
H1
2
VDDO
H1
1
VDDO
L19
VDDO
Y19
VDDO
W13
VDDO
W15
VDDO
R1
9
VDDO
W17
DVSS
E1
DVSS
AF23
DVSS
AE4
DVSS
AE1
DVSS
AC26
DVSS
U6
DVSS
V1
DVSS
T6
DVSS
P6
DVSS
N2
0
DVSS
N1
DVSS
L6
DVSS
H8
DDRV
U7
DDRV
T7
DDRV
N7
DDRV
AE5
DDRV
P7
DDRV
V7
DDRV
W1
DDRV
D5
DDRV
M7
DDRV
Y6
DDRV
W6
DDRV
M1
DDRV
R7
DVSS
E5
VDDP
W10
VDDP
Y10
VDDP
W16
VDDP
L20
VDDP
H1
3
VDDC
U1
8
VDDC
J9
DVSS
AA6
DVSS
K9
DVSS
K10
DVSS
K11
DVSS
K12
DVSS
K13
DVSS
K14
DVSS
K15
DVSS
K17
DVSS
L9
DVSS
L10
DVSS
L11
DVSS
L12
DVSS
L13
DVSS
L14
DVSS
L15
DVSS
L16
DVSS
L17
DVSS
M9
DVSS
M1
0
DVSS
M1
1
DVSS
M1
2
DVSS
M1
3
DVSS
M1
4
DVSS
M1
5
DVSS
M1
6
DVSS
M1
7
DVSS
N9
DVSS
N1
0
DVSS
N1
1
DVSS
N1
2
DVSS
N1
3
DVSS
N1
4
DVSS
N1
5
DVSS
N1
6
DVSS
N1
7
DVSS
P9
DVSS
P10
DVSS
P11
DVSS
P12
DVSS
P13
DVSS
P14
DVSS
P15
DVSS
P16
DVSS
P17
DVSS
R9
DVSS
R1
0
DVSS
R1
1
DVSS
R1
2
DVSS
R1
3
DVSS
R1
4
DVSS
R1
5
DVSS
R1
6
DVSS
R1
7
DVSS
T9
DVSS
T10
DVSS
T11
DVSS
T12
DVSS
T13
DVSS
T14
DVSS
T15
DVSS
T16
DVSS
T17
DVSS
U9
DVSS
U1
0
DVSS
U1
1
DVSS
U1
2
DVSS
U1
3
DVSS
U1
4
DVSS
U1
5
DVSS
U1
6
DDRV
K6
DDRV
H7
DDRV
D1
DDRV
N6
DDRV
J7
DDRV
L7
DDRV
G7
DDRV
J6
DDRV
M6
DDRV
AD1
VDDO
Y18
VDDO
Y16
VDDO
Y15
VDDO
Y17
VDDO
G1
1
VDDO
W11
VDDO
V19
DDRV
K7
DDRV
V6
VDDC
J1
8
VDDC
V13
VDDC
V12
VDDC
V10
VDDC
V9
VDDC
J1
7
VDDC
J1
6
VDDC
J1
5
VDDC
L18
VDDC
M1
8
VDDC
J1
4
VDDC
J1
3
VDDC
J1
2
VDDC
J1
1
VDDC
W9
VDDC
W8
VDDC
V11
VDDC
K18
DVSS
K16
DVSS
C4
DVSS
U1
7
C932
104p/16V/1005
C932
104p/16V/1005
C927
104p/16V/1005
C927
104p/16V/1005
C922
104p/16V/1005
C922
104p/16V/1005
C916
104p/16V/1005
C916
104p/16V/1005
C925
104p/16V/1005
C925
104p/16V/1005
C938
226p/6.3V/2012
C938
226p/6.3V/2012
C936
104p/16V/1005
C936
104p/16V/1005
C935
104p/16V/1005
C935
104p/16V/1005
C946
104p/16V/1005
C946
104p/16V/1005
C939
106p/16V/2012
C939
106p/16V/2012
C915
104p/16V/1005
C915
104p/16V/1005
C929
104p/16V/1005
C929
104p/16V/1005
C913
104p/16V/1005
C913
104p/16V/1005
C942
104p/16V/1005
C942
104p/16V/1005
C930
104p/16V/1005
C930
104p/16V/1005
C934
104p/16V/1005
C934
104p/16V/1005
C920
104p/16V/1005
C920
104p/16V/1005
C948
104p/16V/1005
C948
104p/16V/1005
C914
104p/16V/1005
C914
104p/16V/1005
C923
226p/6.3V/2012
C923
226p/6.3V/2012
1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
VDAC_CVBS
VDAC_Pb
VDAC_Y
VDAC_Pr
VDAC_Y
VDAC_Pr
VDAC_Y
VDAC_Pb
VDAC_Pr
DIFF_AUD0_LEFT_P
DIFF_AUD0_LEFT_N
DIFF_AUD0_RIGHT_P
DIFF_AUD0_RIGHT_N
VDAC_CVBS
VDAC_AVDD33
+5VTA
+5V_VAMP
+5V_VAMP
VO_656_D3
[21]
VO_656_D2
[21]
VO_656_D0
[21]
VO_656_D1
[21]
BCM_SPDIF
[5,21]
BCM_I2S_CLK
[5]
BCM_I2S_DATA [5]
BCM_I2S_LR
BCM_I2S_LR
[5]
BCM_Pb
[9]
BCM_Y
[9]
BCM_Pr
[9]
BCM_CVBS
[9]
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00193MA
1.0
BCM7404 [Audio & Video]
LGE freesat
32/37LF7700
26
45
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00193MA
1.0
BCM7404 [Audio & Video]
LGE freesat
32/37LF7700
26
45
Monday, March 16, 2009
Title
Size
Document Number
Rev
Date:
Sheet
of
71-00193MA
1.0
BCM7404 [Audio & Video]
LGE freesat
32/37LF7700
26
45
Monday, March 16, 2009
Digital Video I/O
U841-3
BCM7404ZKPB1G
BCM7404ZKPB1G
Digital Video I/O
U841-3
BCM7404ZKPB1G
BCM7404ZKPB1G
VI0_656_0 / ALT_VO_656_0 / ALT_PKT_DATA3
AC16
VI0_656_CLK / ALT_VO_656_CLK / ALT_MII_RX_CLK
AE18
VO_656_CLK / DVO_11
F26
VO_656_0 / DVO_10
F25
VO_656_1 / DVO_7
G24
VO_656_2 / DVO_8
G25
VO_656_3 / DVO_3
H22
VO_656_4 / DVO_0
J21
VO_656_5 / DVO_4
H23
VO_656_6 / DVO_6
G23
VO_656_7 / DVO_9
G26
VI0_656_1 / ALT_VO_656_1 / ALT_MII_RXD_03
AB16
VI0_656_2 / ALT_VO_656_2 / ALT_MII_RXD_02
AD18
VI0_656_3 / ALT_VO_656_3 / ALT_PKT_SYNC3
AA15
VI0_656_4 / ALT_VO_656_4 / ALT_MII_MDIO
AF19
VI0_656_5 / ALT_VO_656_5 / ALT_MPOD_SDI
AA14
VI0_656_6 / ALT_VO_656_6 / ALT_PKT_CLK3
AD17
VI0_656_7 / ALT_VO_656_7 / ALT_MII_RXD_01
AC17
R979
750/F/1005
R979
750/F/1005
R987
750/F/1005
R987
750/F/1005
R989
750/F/1005
R989
750/F/1005
C965
104p/16V/1005
C965
104p/16V/1005
C974
106p/16V/2012
C974
106p/16V/2012
R967
5620/F/1005
R967
5620/F/1005
U962
AMP FMS6141S5X/SO8
AMP FMS6141S5X/SO8
U962
AMP FMS6141S5X/SO8
AMP FMS6141S5X/SO8
GND
1
GND
2
VDin
3
VDout
4
VCC
5
TP964
TP08
TP964
TP08
1
R970
124/F/1005
R970
124/F/1005
R973
750/F/1005
R973
750/F/1005
Analog Audio
Digital Audio
U841-9
BCM7404ZKPB1G
BCM7404ZKPB1G
Analog Audio
Digital Audio
U841-9
BCM7404ZKPB1G
BCM7404ZKPB1G
AUD0_SPDIF
B14
AUD0_LEFT_p
A15
AUD0_LEFT_n
B15
AUD0_RIGHT_p
C15
I2S_CLK / ALT_I2S_O_CLK / ALT_PKT_SYNC4
AF10
I2S_DATA / ALT_I2S_O_DATA / ALT_PKT_ERROR3 / ALT_MII_RX_ER
AF11
I2S_LR / ALT_I2S_O_LR / ALT_PKT_DATA4
AE12
AUD0_RIGHT_n
D15
C972
104p/16V/1005
C972
104p/16V/1005
TP961
TP08
TP961
TP08
1
R961
102/1005
R961
102/1005
L545
BLM18PG300SN1D
BLM18PG300SN1D
L545
BLM18PG300SN1D
BLM18PG300SN1D
R971
124/F/1005
R971
124/F/1005
TP963
TP08
TP963
TP08
1
C970
104p/16V/1005
C970
104p/16V/1005
C964
104p/16V/1005
C964
104p/16V/1005
R988
750/F/1005
R988
750/F/1005
R978
750/F/1005
R978
750/F/1005
R972
750/F/1005
R972
750/F/1005
R969
824/F/1005
R969
824/F/1005
Video DAC
Interface
Interface
U841-4
BCM7404ZKPB1G
BCM7404ZKPB1G
Video DAC
Interface
Interface
U841-4
BCM7404ZKPB1G
BCM7404ZKPB1G
VDAC1_RBIAS
E17
VDAC0_RBIAS
D17
VDAC0_0
B16
VDAC0_1
A17
VDAC0_2
A16
VDAC1_0
B18
VDAC1_1
B17
VDAC1_2
A18
C971
104p/16V/1005
C971
104p/16V/1005
C975
104p/16V/1005
C975
104p/16V/1005
TP962
TP08
TP962
TP08
1
R962
37R4/F/1005
R962
37R4/F/1005
R974
750/F/1005
R974
750/F/1005
R963
37R4/F/1005
R963
37R4/F/1005
R968
824/F/1005
R968
824/F/1005
R964
37R4/F/1005
R964
37R4/F/1005
R966
5620/F/1005
R966
5620/F/1005
C963
106p/16V/2012
C963
106p/16V/2012
R965
37R4/F/1005
R965
37R4/F/1005
C976
104p/16V/1005
C976
104p/16V/1005
C973
104p/16V/1005
C973
104p/16V/1005
VIDEO AMP with FILTER
U961
FMS6363
FMS6363
VIDEO AMP with FILTER
U961
FMS6363
FMS6363
IN1
1
IN2
2
IN3
3
VCC
4
GND
5
OUT3
6
OUT2
7
OUT1
8
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