DOWNLOAD LG 72LZ9700-TA (CHASSIS:LB03N) Service Manual ↓ Size: 9.37 MB | Pages: 69 in PDF or view online for FREE

Model
72LZ9700-TA (CHASSIS:LB03N)
Pages
69
Size
9.37 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
72lz9700-ta-chassis-lb03n.pdf
Date
PREV: LG 72LZ9700-CA (CHASSIS:LC12C) Service Manual

LG 72LZ9700-TA (CHASSIS:LB03N) Service Manual ▷ View online

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.
09.10
AMP_SUB_NTP
21    100
GP2_BCM_ATSC
SPK_Woofer-
C2147
10uF
35V
R2123
4.7K
R2119
0
WOOFER OPT
C2103
0.1uF
16V
0.1uF
C2109
16V
R
2
1
6
0
1
0
0
C2117
1000pF
50V
+1.8V_AMP
R2156
0
R2144
4.7K
C2126
22pF
50V
WOOFER OPT
+24V_AMP
SPK_Woofer+
AUD_MASTER_CLK
R2122
3.3
WOOFER OPT
R2107
100
C2150
1uF
25V
C2151
22000pF
50V
0.1uF
C2119
C2163
390pF
50V
POWER_DET
C2145
1uF
25V
R
2
1
2
5
1
0
0
WOOFER OPT
C2108
100pF
50V
D2104
100V
1N4148W
WOOFER OPT
L2108
AD-9060
15uH
2S
1S
1F
2F
+24V_AMP
SCL2_3.3V
SDA2_3.3V
L2101
BLM18PG121SN1D
R2132
12
R2111
56
AUD_SCK
R2109
100
R2149
3.3
WOOFER OPT
R2131
12
+1.8V_AMP
0.1uF
C2172
50V
P2100
FW25001-02(SPK 2P) 
1
2
C2135
22000pF
50V
L2103
BLM18PG121SN1D
C2166
0.47uF
50V
0.01uF
C2177
50V
WOOFER OPT
R2155
0
C2162
390pF
50V
R2143
4.7K
R2110
100
C2143
22000pF
50V
C2141
1uF
25V
AMP_MUTE1
C2116
33pF
50V
OPT
C2123
22pF
50V
WOOFER OPT
R2158
3.3K
C2121
33pF
50V
OPT
0.1uF
C2133
16V
R2138
12
C2101
10uF
10V
WOOFER OPT
IC2101
NTP-7000
EAN60969601
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
25
/FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
57
EP_PAD
R2120
100
+1.8V_AMP
AUD_LRCH
C2113
100pF
D2105
100V
1N4148W
WOOFER OPT
C2105
10uF
10V
WOOFER OPT
+3.3V_NORMAL
SPK_Woofer-
R2124
4.7K
C2127
10uF
10V
WOOFER OPT
R2106
100
C2156
0.01uF
50V
WOOFER OPT
L2105
BLM18PG121SN1D
C2139
1000pF
50V
C2112
1000pF
50V
0.1uF
C2137
50V
R2150
3.3
WOOFER OPT
SPK_Woofer+
C2131
22pF
50V
WOOFER OPT
C2129
1uF
25V
R
2
1
2
6
1
0
0
WOOFER OPT
C2153
22000pF
50V
0.1uF
C2171
50V
R2137
12
AMP_RESET_N
0.01uF
C2178
50V
WOOFER OPT
R2108
100
AUD_LRCK
Woofer AMP.
Development Item(Slim Depth)
Woofer
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.
3D_IR_GENDER
09/11/18
24       100
GP2_BCM_ATSC
3D_SYNC_OUT
068:O10
R2404
0
D2403
5.5V
P2402
12507WR-03L
1
2
3
4
L2403
120-ohm
+5V_USB
C2401
10pF
50V
SIDE IR Emitter sync JACK
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.
+3.3V_TU
IF_AGC_SEL
Q2601
ISA1530AC1
E
B
C
R2604
0
TU_SIF
R2602
0
RF_SW
R2623
10K
C2600
100pF
50V
R2608
10K
OPT
C2605
100pF
50V
R2621
10K
C2607
0.1uF
16V
LNA2_CTL/BOSTER_CTL
C2610
0.1uF
16V
R2606
100
Q2602
ISA1530AC1
E
B
C
R2622
4.7K
R2615
0
R2600
0
OPT
TU_CVBS
C2603
0.1uF
16V
+5V_TU
C2608
0.1uF
16V
OPT
C2606
0.1uF
16V
C2602
0.1uF
16V
R2616
200
R2605
0
TUNER_RESET
SCL0_3.3V
+5V_TU
Q2600
2SC3052
OPT
E
B
C
SDA0_3.3V
C2604
100pF
50V
TU_IF_AGC_BCM
R2626
82
R2601
0
C2609
10uF
10V
OPT
C2613
0.01uF
25V
R2607
100K
+1.2V_TU
+5V_TU
Q2604
2SC3052
E
B
C
+5V_TU
L2600
BLM18PG121SN1D
R2613
0
Q2605
ISA1530AC1
E
B
C
TU_IF_N_BCM
C2601
0.1uF
16V
RF_SW
+3.3V_TU
R2625
470
TU_IF_P_BCM
R2619
200
R2603
0
R2614
1K
OPT
RF_SWITCH_CTL
R2618
2.2K
C2622
0.1uF
16V
+3.3V_TU
C2626
22uF
10V
C2620
0.1uF
16V
C2625
22uF
10V
+3.3V_NORMAL
L2603
BLM18PG121SN1D
+5V_TU
C2623
0.1uF
16V
C2621
0.1uF
16V
+5V_NORMAL
L2604
CIC21J501NE
R2641
510
R2632
3.9K
1/16W
5%
TU_IF_N_1
R2624
3.9K
1/16W
5%
R2642
510
READY
R2633
2K
1/16W
5%
TU_IF_AGC_2
TU_IF_P_1
C2629
0.01uF
A3.3V
R2638
220
1/16W
5%
TU_IF_N_BCM
C2631
0.01uF
TU_IF_AGC_BCM
C2632
0.01uF
+5V_NORMAL
TU_IF_P_BCM
C2627 0.01uF
TU_IF_AGC_1
C2614
0.1uF
16V
+1.2V_TU
C2615
10uF
10V
R2627
1.2K
IC2600
AZ1117H-ADJTRE1(EH11A)
2
OUTPUT
3
INPUT
1
ADJ/GND
GND
R2628
10
C2616
0.1uF
16V
R2629
1
+3.3V_TU
C2633
0.1uF
16V
TU2600
TDTR-T055F
Taiwan/Brazil_V
14
+B3[3.3V]
13
+B2[1.2V]
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1[N]
9
SIF
8
NC(IF_TP)
3
+B[5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2[P]
19
SHIELD
TU2600-*3
TDTJ-S031D
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
TU2600-*4
TDTJ-S001D
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
R2643
1K
OPT
R2644
0
OPT
TU2600-*5
TDTR-T035F
Taiwan/Brazil_H
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
TU2600-*1
TDVJ-H031F
Latin_Tuner_V
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
TU2600-*2
TDVJ-H001F
Latin_Tuner_H
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
L2605
BLM18PG121SN1D
C2634
10uF
10V
C2635
10uF
10V
C2636
22uF
10V
C2637
0.1uF
16V
C2638
20pF
50V
TUNER_I2C_LPF
C2639
20pF
50V
TUNER_I2C_LPF
L2609
TUNER_I2C_LPF
270nH
L2610
TUNER_I2C_LPF
270nH
L2609-*1
33
NON_TUNER_I2C_LPF
L2610-*1
33
NON_TUNER_I2C_LPF
C2612
62pF
50V
TUNER_I2C_LPF
C2611
62pF
50V
TUNER_I2C_LPF
C2611-*1
18pF
50V
NON_TUNER_I2C_LPF
C2612-*1
18pF
50V
NON_TUNER_I2C_LPF
C2624
10uF
16V
C2641
22uF
10V
C2640
22uF
10V
Tuner (Half Nim)
GP2_BCM
Ver. 1.0
28
CAN H-NIM/NIM TUNER for TAIWAN
close to TUNER
OPTION : RF AGC
close to TUNER
60mA
200mA
IF AGC FILTER
IF FILTER OPTION
CAUTION : Closed BCM IC(IC100)
R2
R1
V_OUT=V_REF(1+R2/R1)
For ESD
close to TUNER
close to TUNER
TUNER I2C LPF 
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
THERMAL
U
S
B
 
D
O
W
N
 
S
T
R
E
A
M
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.
USB
C2205
0.1uF
SCL2_3.3V
USB_DP2
+3.3V_USB
USB_DM2
+3.3V_USB
C2201
1uF
10V
C2211
0.1uF
C2209
1uF
10V
USB_DP1
C2215
0.1uF
OPT
D2204
5.6V
CDS3C05HDMI1
R2212
100K OPT
C2214
4.7uF
R2206
100K
C2203
0.1uF
R2208
0
OPT
R2202
1M
1%
C2207
0.1uF
R2205
100K
+3.3V_USB
R2213
100K OPT
/RST_HUB
C2204
0.1uF
SIDE_USB_DP
C2202
0.1uF
JK2202
KJA-UB-4-0004
1
2
3
4
5
USB_DP2
+3.3V_USB
R2209
100K
OPT
R2210
100K
USB_DM1
/USB_OCD2
C2206
1uF
10V
/USB_OCD1
C2212
0.1uF
R2207
0
OPT
R2204
100K
D2202
5.6V
CDS3C05HDMI1
R2214
0
/USB_OCD1
USB_CTL1
USB_DM1
+3.3V_USB
+3.3V_NORMAL
R2203
100K
SDA2_3.3V
SIDE_USB_DM
L2201
BLM18PG121SN1D
D2203
5.6V
CDS3C05HDMI1
C2213
0.1uF
USB_CTL2
D2201
5.6V
CDS3C05HDMI1
R2211
100K OPT
USB_DP1
USB_DM2
USB_CTL1
R2201
12K
1/10W
1%
IC2201
USB2512A_AEZG
1
USBDN1_DM
3
USBDN2_DM
7
NC_2
9
NC_4
10
VDDA33_2
11
TEST
12
PRTPWR1
13
OCS1_N
14
VDD18
15
VDD33CR
16
PRTPWR2
17
OCS2_N
18
NC_5
19
NC_6
20
NC_7
21
NC_8
22
SDA/SMBDATA/NON_REM1
23
VDD33
24
SCL/SMBCLK/CFG_SEL0
25
HS_IND/CFG_SEL1
26
RESET_N
27
VBUS_DET
28
SUSP_IND/LOCAL_PWR/NON_REM0
29
VDDA33_3
30
USBUP_DM
31
USBUP_DP
32
XTAL2
5
VDDA33_1
8
NC_3
6
NC_1
4
USBDN2_DP
2
USBDN1_DP
33
XTAL1/CLKIN
34
VDD18PLL
35
RBIAS
36
VDD33PLL
37
VSS
X2201
24MHz
C2208 15pF C2210 15pF
C2218
100uF
16V
C2222
0.1uF
IC2202
AP2191SG-13
EAN60921001
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
+5V_USB
R2226
2.7K
R2225
0
R2220
4.7K
OPT
+3.3V_NORMAL
C2220
10uF
10V
L2202
MLB-201209-0120P-N2
120-ohm
JK2201
KJA-UB-4-0004
1
2
3
4
5
R2227
0
R2223
2.7K
C2223
0.1uF
R2221
4.7K
OPT
L2203
MLB-201209-0120P-N2
120-ohm
IC2203
AP2191SG-13
EAN60921001
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
C2221
10uF
10V
+5V_USB
C2219
100uF
16V
+3.3V_NORMAL
/USB_OCD2
040:J6
USB_CTL2
USB2 OPTION
USB / DVR Ready
USB
40
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