LG 26LV5500-ZC / 26LV550A-ZC / 26LV550N-ZC / 26LV550U-ZC / 26LV5510-ZD (CHASSIS:LD01T) Service Manual ▷ View 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.
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.
JP2411
R2416
10K
OPT
R2411
100
100
EYEQ/TOUCH_KEY
C2410
0.1uF
16V
OPT
JP2410
P2402
12507WR-15L
NEW_SUB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
L2402
BLM18PG121SN1D
Q2406
2SC3052
OPT
E
B
C
R2431
47K
OPT
C2407
100pF
100pF
50V
C2408
18pF
50V
18pF
50V
OPT
NEC_EEPROM_SCL
D2401
5.6V
AMOTECH
R2405
10K
1%
JP2408
+3.5V_ST
D2402
5.6V
AMOTECH
+3.5V_ST
R2401
100
100
L2403
BLM18PG121SN1D
C2401
0.1uF
R2404
10K
1%
C7601
0.1uF
16V
0.1uF
16V
19-22_LAMP
D7601
5.6V
19-22_LAMP
LED_B/LG_LOGO
D902
5.6V
CDS3C05HDMI1
NEW_SUB
R2427
0
0
R2413
1.5K
L2401
BLM18PG121SN1D
C907
18pF
50V
18pF
50V
OPT
R2402
100
100
L7600
BLM18PG121SN1D
19-22_LAMP
NEC_EEPROM_SDA
L2404
BLM18PG121SN1D
P2401
12507WR-12L
OLD_SUB
1
2
3
4
5
6
7
8
9
10
11
12
13
R2425
47K
OPT
OPT
LED_R/BUZZ
C2403
0.1uF
16V
S/T_SCL
C2404
1000pF
50V
S/T_SDA
KEY1
+3.3V_Normal
C2406
1000pF
50V
P7600
12507WR-03L
19-22_LAMP
1
2
3
4
C2405
0.1uF
16V
D903
5.6V
CDS3C05HDMI1
NEW_SUB
KEY2
C2409
18pF
50V
18pF
50V
OPT
JP2407
+3.5V_ST
R2430
10K
OPT
R2412
100
EYEQ/TOUCH_KEY
Q2405
2SC3052
OPT
E
B
C
C2402
0.1uF
D7600
5.6V
19-22_LAMP
C906
18pF
50V
18pF
50V
OPT
R2429
47K
OPT
OPT
R2414
1.5K
IR
+3.5V_ST
C7600
0.1uF
16V
0.1uF
16V
19-22_LAMP
JP2409
+3.5V_ST
R2428
22
L7601
BLM18PG121SN1D
19-22_LAMP
D2403
5.6V
EYEQ/TOUCH_KEY
D2405
5.6V
D2404
5.6V
EYEQ/TOUCH_KEY
R2426
47K
IR & LED
CONTROL
IR/CONT_SMALL
20101023
23
GP2R
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.
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.
RXA0-
L702
120-ohm
WAFER_FHD
C700
10uF
16V
10uF
16V
OPT
RXA3-
RXA3+
RXA4-
SMALL_NC4
RXBCK+
RXA2+
RXB2-
RXB1+
RXB1-
R709
10K
10K
BIT_SEL_LOW
PANEL_VCC
SMALL_OPC_OUT
RXACK+
RXA1+
RXBCK-
RXA1+
RXA1-
OPC_OUT
SMALL_NC3
RXACK-
RXA1+
P7902
FF10001-30
HD_60Hz_SMALL
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
R7920
10K
OPT
C7908
10uF
16V
10uF
16V
OPT
RXA0+
SMALL_NC4
RXA0+
RXA2-
R7919
3.3K
OPT
RXACK+
RXB0+
+3.3V_Normal
RXA0-
PANEL_VCC
RXA4+
RXA3+
SMALL_NC2
PWM_DIM
L7901
120-ohm
HD_60Hz_NORMAL
P7901
FF10001-30
HD_60Hz_NORMAL
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
C7907
1000pF
50V
1000pF
50V
OPT
C709
1000pF
50V
1000pF
50V
OPT
RXA2-
RXA0-
RXACK+
L7902
120-ohm
HD_60Hz_SMALL
RXA2-
SMALL_NC2
+3.3V_Normal
TP722
RXB0-
SMALL_NC1
R7914 0
HD_60Hz_NORMAL
PANEL_VCC
R7915
0
OPT
C7903
0.1uF
16V
0.1uF
16V
HD_60Hz_NORMAL
RXA3+
C7905
10uF
16V
10uF
16V
OPT
RXA2+
RXB3-
SMALL_OPC_EN
RXA3-
RXA0+
RXA2+
C710
0.1uF
16V
0.1uF
16V
WAFER_FHD
R705
3.3K
OPT
RXA3-
SMALL_OPC_OUT
RXB4-
SCAN_BLK1/OPC_OUT
C7904
1000pF
50V
1000pF
50V
OPT
SCAN_BLK2
SMALL_NC1
RXB4+
SMALL_NC3
RXA1-
RXACK-
PWM_DIM
RXACK-
RXB3+
RXB2+
SMALL_OPC_EN
RXA1-
C7906
0.1uF
16V
0.1uF
16V
HD_60Hz_SMALL
R710
10K
OPT
TP721
P703
FI-RE51S-HF-J-R1500
WAFER_FHD
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
2D/3D_CTL
TP729
TP744
TP743
RXC1+
RXD2+
RXC4-
TP735
TP739
RXC4+
RXC2-
RXC1-
TP742
TP731
RXCCK-
TP741
RXD0+
RXD0-
TP738
RXD2-
TP748
RXD3-
TP740
TP733
RXC0+
RXCCK+
RXD4+
RXDCK+
TP736
TP727
RXC3-
TP745
RXD1+
RXD4-
TP732
TP728
RXC3+
TP734
RXD3+
RXC0-
TP726
TP747
TP730
RXD1-
TP746
TP749
RXDCK-
TP737
RXC2+
LVDS_SEL
BIT_SEL
[30Pin LVDS Connector]
(For HD 60Hz_Small)
(For HD 60Hz_Small)
[51Pin LVDS Connector]
(For FHD 60/120Hz)
(For FHD 60/120Hz)
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
(For HD 60Hz_Normal)
LVDS_SMALL
20101115
24
GP2R
41PIN WAFER DELETE, HONGSU, 201011115
THERMAL
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.
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.
FE_TS_DATA[6]
FE_TS_DATA[2]
FE_TS_DATA[7]
FE_TS_DATA[1]
FE_TS_DATA[4]
FE_TS_DATA[5]
FE_TS_DATA[3]
FE_TS_DATA[0]
C3714
22pF
50V
22pF
50V
FULL_NIM
R3753
4.7K
4.7K
RF_SWITCH_CTL
R3721
0
FULL_NIM
R3748-*1
10K
10K
FULL_NIM_BCD
+5V_Normal
R3771
10K
FULL_NIM_BCD
R3761
0
HALF_NIM
R3752
220
R3731
0
FULL_NIM
+1.2V/+1.8V_TU
C3707
100pF
50V
100pF
50V
R3734
0
BOOSTER_OPT
R3723
0
FULL_NIM_CHINA
R3737
2.2K
2.2K
BOOSTER_OPT
R3770
10K
FULL_NIM_SEMTEK
R3729
0
FULL_NIM
R3755
470
IF_AGC_SEL
DEMOD_SCL
C3723
22uF
10V
22uF
10V
C3719
22uF
10V
22uF
10V
TU3702
TDTJ-S001D
TDTJ-S001D
DVB_1INPUT_H_LGIT
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC[IF_TP]
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU_SCL
C3725
0.1uF
16V
16V
C3712
22pF
50V
22pF
50V
FULL_NIM
R3727
0
FULL_NIM
R3744
4.7K
FULL_NIM
FE_TS_SYNC
R3704
0
HALF_NIM
C3713
18pF
50V
18pF
50V
TU_I2C_NON_FILTER
R3762
0
OPT
R3728
0
FULL_NIM
TUNER_RESET
+3.3V_TU
IC3701
AP2132MP-2.5TRG1
FULL_NIM_BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
C3727
0.1uF
16V
FE_TS_DATA[0-7]
R3754
10K
10K
OPT
R3749
0
TU_SIF
C3724
0.1uF
16V
16V
+5V_TU
R3703
150
OPT
OPT
C3728
0.1uF
16V
16V
OPT
+5V_TU
+3.3V_TU
+3.3V_TU
C3710
0.1uF
16V
R3760
0
HALF_NIM
R3743
10K
BOOSTER_OPT
+1.2V/+1.8V_TU
R3764
0
1/10W
FULL_NIM
C3701
0.1uF
16V
0.1uF
16V
R3736
TU_I2C_NON_FILTER
33
Q3703
ISA1530AC1
E
B
C
+5V_TU
C3730
10uF
10V
10uF
10V
FULL_NIM
Q3704
2SC3052
OPT
E
B
C
C3722
22uF
16V
22uF
16V
R3747
9.1K
1005
FULL_NIM
DEMOD_RESET
R3741
1.2K
1.2K
TU_IIC_ATSC_SANYO
+3.3V_TU
R3726
0
FULL_NIM
R3767
10
HALF_NIM
C3737
100pF
50V
100pF
50V
+5V_General
C3717
0.1uF
16V
DEMOD_SDA
R3702
100
FULL_NIM
TU_CVBS
C3704
0.1uF
16V
16V
R3766
1
1
1/10W
HALF_NIM
C3726
0.1uF
16V
0.1uF
16V
+3.3V_TU
IF_N_MSTAR
+3.3V_Normal
C3703
100pF
50V
100pF
50V
C3711
18pF
50V
18pF
50V
TU_I2C_NON_FILTER
C3705
100uF
16V
16V
FULL_NIM
R3735
TU_I2C_NON_FILTER
33
FE_TS_CLK
R3733
100K
FE_TS_VAL_ERR
L3704
FULL_NIM_BCD
R3725
0
FULL_NIM_CHINA
+5V_TU
R3732
100
100
R3730
0
FULL_NIM
R3751
220
C3738
0.1uF
16V
0.1uF
16V
Q3702
2SC3052
BOOSTER_OPT
E
B
C
IF_AGC_MAIN
R3707
0
OPT
R3768
1.2K
1.2K
HALF_NIM
Q3705
ISA1530AC1
E
B
C
R3769
10K
FULL_NIM_BCD
C3708
0.1uF
16V
16V
R3724
0
FULL_NIM
CONTROL_ATTEN
+3.3V_TU
R3742
4.7K
FULL_NIM
L3701
BLM18PG121SN1D
BOOSTER_OPT
TU_SDA
R3701
100
FULL_NIM
+5V_TU
C3731
10uF
10V
10uF
10V
OPT
R3758
82
82
R3745
10K
10K
BOOSTER_OPT
R3722
0
FULL_NIM
Q3701
ISA1530AC1
BOOSTER_OPT
E
B
C
R3748
5.1K
FULL_NIM_SEMTEK
+1.2V/+1.8V_TU
IF_P_MSTAR
C3729
0.1uF
16V
FULL_NIM
R3740
1.2K
1.2K
TU_IIC_ATSC_SANYO
R3705
0
RF_SW_OPT
C3709
0.01uF
25V
0.01uF
25V
BOOSTER_OPT
C3702
0.1uF
16V
IC3701-*1
SC4215ISTRT
FULL_NIM_SEMTEK
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
LNA2_CTL
R3750
1K
OPT
C3706
0.1uF
16V
0.1uF
16V
IC3703
AZ1117BH-ADJTRE1
HALF_NIM_1.2V_BCD
2
OUTPUT
3
INPUT
1
ADJ/GND
R3706
0
FULL_NIM_BR
TU3702-*3
UDA55AL
UDA55AL
GP3_ATSC_1INPUT_H_SANYO
14
+3.3V
13
+1.2V
5
AS
12
GND
11
VIDEO
2
NC_2
10
NC_3
4
NC[RF_AGC]
1
NC_1
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B[+5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU3701-*2
TDFR-B036F
FULL_NIM_BR
1
RF_S/W_CNTL
2
BST_CNTL
3
+B1[5V]
4
NC_1[RF_AGC]
5
NC_2
6
SCLT
7
SDAT
8
NC_3
9
SIF
10
NC_4
11
VIDEO
12
GND
13
+B2[1.2V]
14
+B3[3.3V]
15
RESET
16
NC_5
17
SCL
18
SDA
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
TU3701
TDFR-C036D
CN_2INPUT_H_LG3911
1
RF_S/W_CNTL
2
BST_CNTL
3
+B1[+5V]
4
NC[RF_AGC]
5
NC_1
6
SCLT
7
SDAT
8
NC_2
9
SIF
10
NC_3
11
VIDEO
12
GND
13
+B2[1.2V]
14
+B3[3.3V]
15
RESET
16
NC_4
17
SCL
18
SDA
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
TU3701-*4
TDFR-C236D
CN_2INPUT_H_ALTO
1
RF_S/W_CNTL
2
BST_CNTL
3
+B1[+5V]
4
NC[RF_AGC]
5
NC_1
6
SCLT
7
SDAT
8
NC_2
9
SIF
10
NC_3
11
VIDEO
12
GND
13
+B2[1.2V]
14
+B3[3.3V]
15
RESET
16
NC_4
17
SCL
18
SDA
19
ERR
20
SYNC
21
VALID
22
MCL
23
D0
24
D1
25
D2
26
D3
27
D4
28
D5
29
D6
30
D7
31
SHIELD
C3715
22uF
10V
22uF
10V
C3741
10uF
10V
10uF
10V
HALF_NIM
C3740
0.1uF
16V
HALF_NIM
L3703
MLB-201209-0120P-N2
L3702
MLB-201209-0120P-N2
C3739
10uF
6.3V
10uF
6.3V
CN
IC3703-*1
AP1117EG-13
HALF_NIM_1.2V_DIODES
ADJ/GND
OUT
IN
R3741-*1
1K
TU_IIC_NON_ATSC_SANYO
R3740-*1
1K
TU_IIC_NON_ATSC_SANYO
C3742
20pF
50V
20pF
50V
TU_I2C_FILTER
C3743
20pF
50V
20pF
50V
TU_I2C_FILTER
TU3702-*1
TDVJ-H101F
TDVJ-H101F
GP3_ATSC_1INPUT_H_LGIT
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU3702-*4
TDTJ-S101D
TDTJ-S101D
GP2R_AU_1INPUT_H_LGIT
14
+B3[3.3V]
13
+B2[1.2V]
5
MOPLL_AS
12
GND
11
VIDEO
2
NC_1
10
NC_3
4
RF_AGC
1
ANT_PWR
17
DIF_1[N]
9
SIF
8
NC_2
3
+B1[5V]
16
IF_AGC
7
SDA
6
SCL
15
RESET
18
DIF_2[P]
19
SHIELD
R3735-*1
MLG1005SR27JT
TU_I2C_FILTER
R3736-*1
MLG1005SR27JT
TU_I2C_FILTER
C3711-*1
20pF
50V
20pF
50V
TU_I2C_FILTER
C3713-*1
20pF
50V
20pF
50V
TU_I2C_FILTER
TU3702-*2
TDTR-T036F
TDTR-T036F
NTSC_2INPUT_H_LGIT
14
+B3[3.3V]
13
+B2[1.2V]
5
NC_2
12
GND
11
VIDEO
2
BST_CTL
10
NC_4
4
NC_1[RF_AGC]
1
RF_S/W_CTL
17
DIF_1[N]
9
SIF
8
NC_3
3
+B1[5V]
16
IF/AGC
7
SDAT
6
SCLT
15
RESET
18
DIF_2[P]
19
SHIELD
200mA
close to IF line
R1
FE_BOOSTER_CTL
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
2. No via on both of them
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
Ground Width >= 24mils
close to TUNER
TUNER MULTI-OPTION
FE_AGC_SPEED_CTL
OPTION : RF AGC
Close to the CI Slot
close to TUNER
GPIO must be added.
60mA
This was being applied to the only china demod,
so this has to be deleted in both main and ISDB sheet.
so this has to be deleted in both main and ISDB sheet.
close to TUNER
GP2R_GLOBAL_TUNER_BLOCK for Small Model
should be guarded by ground
R2
380mA
R2
R1
Vo=0.8*(1+R1/R2)
Pull-up can’t be applied
because of MODEL_OPT_2
because of MODEL_OPT_2
Close to the tuner
BOOSTER : CHINA OPT
The pull-up/down of LNA2_CTL
is depended on MODLE_OPT_1.
GPIO must be added for FE_BOOSTER_CTL
is depended on MODLE_OPT_1.
GPIO must be added for FE_BOOSTER_CTL
location movement,0929
Add,0929
add,0929
Size change,0929
Size change,0929
close to the tuner pin, add,09029
Please, check Multi Item! 10/12
TUNER_SMALL
20101023
25
GP2R
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.
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.
V_SYNC
L/DIM_SCLK
LED_DRIVER_D/L_SCL
L/DIM_MOSI
LED_DRIVER_D/L_SDA
3D_SYNC_RF
3D_GPIO_2
DD_MREMOTE
3D_GPIO_1
M_REMOTE_RX
M_RFModule_RESET
DC_MREMOTE
M_REMOTE_TX
NON_L/DIM_LED/DRIVER
NON_L/DIM
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GP2R
NON_3D_SG
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