1. 서비스를 할 때는 기본적인 포선에 주의를 기울이고 만일 단락회
로가 발견되면 단락회로에 의해 과열 되었거나 손상된 모든 부품
을 교환해야 한다.
2. 서비스를 한 후는 절연충, 절연지, 쉴드(SHIELD) R-C 복합소
자로 된 모든 보호용 소자들이 확실히 조립되었는지를 확인한다.
3. 수상기를 장시간 시청하지 않을 때는 전원코드를 전원 콘센트에
서 뽑는다.
4. 본 수상기 동작시 25.5KV 이상의 고압이 걸리므로 백커버를 연 상
태에서 동작 시키면 수상기로부터 감전의 위험이 있다.
수리를 할 때는 고압에 대한 조의사항과 충분한 예비지식이 있는
사람이 취급하여야 한다.
5. 서비스를 완료한 후는 쇼크의 위험으로 부터 사용자를 보호하기
위하여 다음의 누설 전류를 검사하여야 한다.
※ 누설 전류(COLD CHECK)
1. AC전원을 뽑고 플러그 양단을 선으로 연결시킨다.
2. 전원 스위치를 켠다.
3. 절연 시험기의 한쪽 단자를 플러그에 연결하고 다른 한쪽의 리드
를 노출된 금속 즉, 안테나, 스크류, 가변 조정기의 축 등에 접촉
시켜서 측정한다. 노출된 금속부분이 샤시에 접속된 경우 및 노출
된 금속부분이 샤시에 접속되어 있지 않을 경우의 저항치가 무한
대(∞) 이어야 한다.
안전을 위한 주의사항
※ 서비스시의 주의사항
1. 부품 또는 회로기판을 삽입할 때는 납땜하기 전에 리드선을 단자
에 고정 시켜야 한다.
2. 고전력 저항을 삽입할 때는 (금속산화피막 저항 또는 금속피막 저
항) 기판으로 부터 약 10mm 정도 띄어서 삽입한다.
3. 고압 또는 고온도를 갖는 부품에는 리드선을 멀리해야 한다.
4. 본 샤시는 절연 샤시(COLD CHASSIS)나 서비스의 안전을 위하
여 절연 트랜스를 사용하는 것이 좋다. 전원부를 수리할 경우는 반
드시 절연트랜스를 사용할 것.
5. 수상기가 동작하는 동안 선을 연결시키거나 제거하지 말 것.
!
6. 표시의 부품은 제품의 안정성을 유지하기 위해 중요한 부품입
니다.
따라서 교환시 반드시 지정 부품을 사용해 주십시요.
※ 누설 전류(HOT CHECK)
1. 전원 플러그를 전원에 직접 연결한다.
(이때 시험을 하는 동안 절연트랜스는 사용하지 않는다.)
2. 1.0KΩ, 10W 저항의 한쪽을 수상기의 노출된 금속부에 연결하
고 다른 한쪽은 접지(수도 파이프 등 접지가 양호한 장소) 시킨
다.(그림참조)
3. AC 전압계(1000Ω VOLT 또는 그 이상 민감한 것)를 사용하여 저
항 양단간의 전압을 측정한다.
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
M14-Peripheral
MID_LG1311
M14 Symbol A
2013.04.04
1
31
Page 18
PAGE 2
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
M14-Display In/Out
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
TP202
TP203
TP204
TP205
TP206
TP207
TP208
TP209
TP210
TP211
TP212
TP213
TP214
TP215
TP221
TP218
TP219
TP220
DEBUG
+3.3V_NORMAL
SW201
JTP-1127WEM
12
3
4
For ISP
R223
3.3K
MID_LG1311
M14 Symbol B
2013.04.04
2
31
Page 19
PLACE AT JACK SIDE
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
M14 DDR3-M0
2013.04.04
4
31
Page 21
PAGE 5
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
M14 DDR3-M1
2013.04.04
5
31
Page 22
PAGE 6
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
11/05/31
MID_LG1311
VCC & GND
2013.04.04
6
31
Page 23
PCM_RESET
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
POWER_DET
POWER_ON/OFF1
WOL/ETH_POWER_ON
LED_R
LED_R
WOL_CTL
INV_CTL
SOC_RESET
SOC_TX
SOC_RX
EDID_WP
AMP_MUTE
EDID_WP
CAM_CTL
CAM_CTL
CEC_REMOTE
MID_LG1311
MICOM
D3000
BAT54_SUZHO
For CEC
R3033
27K
+3.5V_ST
G
D
S
Q3001
RUE003N02
R3034
120K
HDMI_CEC
2013.03.22
9
31
Page 25
BODY_SHIELD
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
20
EAG63530101
JK3202
DAADR019A
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
HP_DET
5V
GND
DDC_DATA
DDC_CLK
ARC
CE_REMOTE
CK-
CK_GND
CK+
D0-
D0_GND
D0+
D1-
D1_GND
D1+
D2-
D2_GND
D2+
VA3206
ESD_HDMI
VA3208
ESD_HDMI
CEC_REMOTE
R3265
AR3200
33
1/16W
100K
VA3213
ESD_HDMI
33
R3250
ESD_HDMI
VA3207
HDMI_HPD_1
DDC_SCL_1
DDC_SDA_1
D3210
IP4294CZ10-TBR
1
2
3
4
5
ESD_HDMI_TMDS
D3211
IP4294CZ10-TBR
1
2
3
4
5
ESD_HDMI_TMDS
HDMI1 With ARC
OPT
OPT
R3248
1K
R3249
3.9K
10
9
8
7
6
10
9
8
7
6
5V_HDMI_1
C3202
1uF
10V
VA3215
ESD_HDMI
OPT
C3226
0.1uF
16V
ARC
SPDIF_OUT_ARC
CK-_HDMI1
CK+_HDMI1
D0-_HDMI1
D0+_HDMI1
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
D2+_HDMI1
D3210-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
ESD_HDMI_TVS
D3211-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
ESD_HDMI_TVS
PAGE 10
HDMI_HPD_4
R3261
0
1%
R3204
100K
5V_HDMI_4
C3203
C3228
10uF
22uF
10V
10V
OPT
+12V
R3263
BODY_SHIELD
HP_DET
5V
GND
DDC_DATA
DDC_CLK
NC
CE_REMOTE
CK-
CK_GND
CK+
D0-
D0_GND
D0+
D1-
D1_GND
D1+
D2-
D2_GND
D2+
5V_HDMI_4
CEC_REMOTE
ESD_HDMI_TVS
VA3216
ESD_HDMI
ESD_HDMI
D3215-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
VA3212
ESD_HDMI
VA3210
1
2
3
4
5
ESD_HDMI_TMDS
1
2
3
4
5
ESD_HDMI_TMDS
10
9
8
7
6
OPT
100K
R3267
AR3202
33
1/16W
VA3211
ESD_HDMI
D3215
IP4294CZ10-TBR
10
9
8
7
6
D3214
IP4294CZ10-TBR
10
9
8
7
6
D3214-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
ESD_HDMI_TVS
GND
20
19
18
17
16
15
14
EAG63530101
DAADR019A
JK3203
13
12
11
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
10
9
8
7
6
R3262
1K
820
D
Q3205
PMBFJ177
G
S
DDC_SCL_4
DDC_SDA_4
CK-_HDMI4
CK+_HDMI4
D0-_HDMI4
D0+_HDMI4
D1-_HDMI4
D1+_HDMI4
D2-_HDMI4
D2+_HDMI4
5.6V
10
9
8
7
6
VA3217
+5V_NORMAL
C3201
0.1uF
MHL_DET
R3243
1K
1/16W
5%
C3223
0.047uF
25V
D3201
A1
C
A2
B
Q3200
MMBT3904(NXP)
R3201
10K
+3.5V_ST
R3246
10K
C
E
VIN
1
GND
2
EN
3
R3202
330K
B
E
MMBT3906(NXP)
Q3201
C
R3247
10K
HDMI3 With MHL
IC3201
BD2242G
6
5
4
MHL_DET
VOUT
ILIM
OC
D3202
MBR230LSFT1G
30V
R3200 16K
BODY_SHIELD
20
EAG63530101
JK3200
DAADR019A
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
HP_DET
5V
GND
DDC_DATA
DDC_CLK
NC
CE_REMOTE
CK-
CK_GND
CK+
D0-
D0_GND
D0+
D1-
D1_GND
D1+
D2-
D2_GND
D2+
5V_HDMI_2
HDMI_EXT_EDID
1K
R3268
ESD_HDMI
VA3209
ESD_HDMI
CEC_REMOTE
HDMI_INT_EDID
VA3205
R3266
100K
R3251
33
Q3206
MMBT3904(NXP)
C
B
HDMI_EXT_EDID
E
1K
R3269
HDMI_EXT_EDID
HDMI_EXT_EDID
R3270
4.7K
VA3203
ESD_HDMI
D3212
IP4294CZ10-TBR
1
2
3
4
5
ESD_HDMI_TMDS
D3213
IP4294CZ10-TBR
1
2
3
4
5
ESD_HDMI_TMDS
HDMI_HPD_2
AR3201
33
1/16W
VA3204
ESD_HDMI
10
9
8
7
6
10
9
8
7
6
HDMI2
DDC_SCL_2
DDC_SDA_2
CK-_HDMI2
CK+_HDMI2
D0-_HDMI2
D0+_HDMI2
D1-_HDMI2
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
D3212-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
ESD_HDMI_TVS
D3213-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
ESD_HDMI_TVS
+5V_NORMAL
5V_HDMI_1
AR3204
47K
1/16W
A2CA1
DDC_SDA_1
DDC_SCL_1
M24C02-RMN6T
E0
1
E1
2
E2
3
VSS
4
HDMI_EXT_EDID_ST
HDMI_EXT_EDID
MMBT3904(NXP)
IC3203
Q3203
8
7
6
5
VCC
WC
SCL
SDA
E
C
HDMI_EXT_EDID
HDMI_EXT_EDID
EDID_WP
B
+3.5V_ST
HDMI_EXT_EDID
R3271
4.7K
R3258
33
R3259
33
D3200
10
9
8
7
6
10
9
8
7
6
5V_HDMI_2
AR3206
47K
1/16W
+5V_NORMAL
D3203
AR3205
47K
+5V_NORMAL
5V_HDMI_4
1/16W
A2CA1
MMBD6100
D3216
A2CA1
D3205
DDC_SCL_2
DDC_SDA_2
+3.5V_ST
DDC_SDA_4
DDC_SCL_4
A2CA1
IC3203-*1
AT24C02C-SSHM-T
A0
1
A1
2
A2
3
GND
4
HDMI_EXT_EDID_ATMEL
HDMI LEAKAGE Workaround in MTK A2(A0) (Default= with HDMI_LEAKAGE)
+3.3V_NORMAL
R3255
OPT
0
1/16W
5%
PANEL_VCC
R3254
10K
G
D
S
NTR4501NT1G
Q3202
VCC
8
WP
7
SCL
6
SDA
5
VDD3V3_HDMI
C3227
0.1uF
16V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
HDMI
2013.03.22
32
Page 26
This Ciruit is used as HDMI Input2 of LB87 Series over(HDMI 4ea)
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
BODY_SHIELD
20
EAG63530101
JK3301
DAADR019A
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
HP_DET
5V
GND
DDC_DATA
DDC_CLK
ARC
CE_REMOTE
CK-
CK_GND
CK+
D0-
D0_GND
D0+
D1-
D1_GND
D1+
D2-
D2_GND
D2+
ESD_HDMI
VA3302
ESD_HDMI
R3302
100K
R3301
VA3301
CEC_REMOTE
AR3301
33
1/16W
VA3303
ESD_HDMI
33
HDMI_HPD_3
DDC_SCL_3
DDC_SDA_3
D3301
RCLAMP0524PA
1
10
2
9
8
3
7
4
6
5
ESD_HDMI_TMDS
D3302
RCLAMP0524PA
1
2
3
4
5
ESD_HDMI_TMDS
5V_HDMI_3
CK-_HDMI3
CK+_HDMI3
D0-_HDMI3
D0+_HDMI3
D1-_HDMI3
D1+_HDMI3
D2-_HDMI3
D2+_HDMI3
5V_HDMI_3_SOC
D3301-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
ESD_HDMI_TVS
D3302-*1
IP4294CZ10-TBR
@volta
1
2
3
4
5
ESD_HDMI_TVS
VA3304
ESD_HDMI
10
9
8
7
6
5V_HDMI_3
R3303
10
C3301
R3304
1uF
5.1K
10V
+5V_NORMAL
5V_HDMI_3
AR3302
47K
1/16W
A2CA1
DDC_SDA_3
DDC_SCL_3
D3303
10
9
8
7
6
10
9
8
7
6
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
HDMI4
2013.07.25
33
Page 27
SPDIF OUT
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
SPDIF_OUT
CVBS 1 PHONE JACK
R3601
33
C3601
47pF
50V
+3.3V_NORMAL
C3604
0.1uF
16V
VIN
VCC
GND
JK3603
JSTIB15
A
B
C
Fiber Optic
4
SHIELD
RIN1
DOUT1
HP_ROUT
HP_LOUT
HP_DET
HP OUT
TP3601
TP3602
RIN1
DOUT1
IRB_DATA
IRB_3.3V
HP_OUT
HP_OUT
HP_OUT
R3608
150
R3609
150
R3610
100
IR_Bla
R3611
0
IR_Bla
R3612
0
+3.3V_NORMAL
R3613
10K
HP_OUT
VA3609
5.6V
HP_OUT
JK3604
PEJ038-3B6
5GND
4L
3DETECT
1R
EAG61030009
HP/RS232
UART FOR DEBUG
+3.5V_ST
R3614
10K
SOC_RX
SOC_TX
P3601
12507WS-04L
1
2
3
4
5
JK3601
PEJ038-4Y6
5 M5_GND
4 M4
3 M3_DETECT
1 M1
6 M6
+3.3V_NORMAL
VA3602
5.6V
VA3605
5.5V
R3602
330K
C3600
150pF
L3601
1uH
C3608
18pF
50V
C3602
150pF
R3618
1K
1/16W
5%
VA3601
5.6V
VA3603
5.6V
R3605 100
3216
R3604
75
EMS_EU/AJ/KR
C3610
1000pF
EMS_EU/AJ/KR
C3611
1000pF
C3605
0.047uF
JK3602
PEJ038-4G6
AV1_CVBS_DET
COMP1/AV1/DVI_L_IN
COMP1/AV1/DVI_R_IN
AV1_CVBS_IN_SOC
COMPONENT 1 PHONE JACK
5 M5_GND
4 M4
3 M3_DETECT
1 M1
6 M6
+3.3V_NORMAL
VA3610
5.6V
VA3604
5.6V
R3616
10K
+3.3V_NORMAL
R3603
10K
C3609
18pF
50V
C3603
150pF
OPT
3216
R3606
75
R3607 33
R3617
1K
1/16W
5%
C3606 0.047uF
C3607 1000pF
DDTS TEST ONLY
COMP1_DET
COMP2_Y_IN_SOC
COMP2_Y_IN_SOC_SOY
M_REMOTE_RX
M_REMOTE_TX
+3.5V_ST
OPT
R3615
10K
OPT
P3602
12507WS-04L
1
2
3
4
5
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
VA3608
5.5V
VA3607
5.5V
COMP1_Pb
COMP1_Pr
MID_LG1311
Jack_Vertical_Common
2013.04.03
11
31
Page 28
+5V_USB_1
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
PAGE 14
value change
10K(2.63V) --> 4.7K(2.97V)
/USB_OCD1
USB_CTL1
R4500
10K
+3.3V_NORMAL
R4501
4.7K
+5V_NORMAL
0.1uF
16V
OCP USB1
VIN
1
GND
2
EN
3
IC4500
BD2242G
USB1 (2.0)
MAX 1.5A
OPT
C4501
C4502
10uF
22uF
10V
+5V_USB_1
VOUT
6
ILIM
5
1%
OC
4
14K
R4502
USB_DM1
USB_DP1C4500
10V
D4500
RCLAMP0582B
USB_ESD_0582B
USB_ESD_0502BA
D4500-*1
RCLAMP0502BA
5V
D4501
USB_ESD_SD05
3AU04 S- 305-ZC- (L G)
JK450 0
1234
USB D OW N STREA M
5
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
EAX6536390* : Use RClamp0582B, SD05
EAX6538400* : Use RClamp0502BA
MID_LG1311
USB 1(DVR)
2013.04.03
1
Page 29
VA4601
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5.6V
+3.3V_NORMAL
PAGE 15
EU
R4601
CLOSE TO JUNCTION
10K
EU
EU
C4604
0.1uF
EU
R4602
100
SC_DET
Full Scart
SHIELD
19
AV_DET
18
COM_GND
17
SYNC_IN
16
SYNC_OUT
15
SYNC_GND
14
RGB_IO
13
R_OUT
12
R_GND
11
G_OUT
10
G_GND
9
ID
8
B_OUT
7
AUDIO_L_IN
6
B_GND
5
AUDIO_GND
4
AUDIO_L_OUT
3
AUDIO_R_IN
2
AUDIO_R_OUT
1
DA1R018H91E
JK4600
EU
VA4609
5.5V
EU
VA4610
5.5V
EU
VA4602
5.6V
VA4604
5.5V
VA4605
5.5V
VA4600
20V
EU
VA4603
5.5V
EU
EU
EU
EU
SC_CVBS_IN
1/16W
R8904
EU
75
SC_FB
SC_G
SC_B
SC_ID
DTV/MNT_V_OUT
SC_R
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
VA4606
5.6V
EU
VA4607
5.6V
EU
VA4608
5.6V
EU
VA4611
5.6V
SC_L_IN
EU
SC_R_IN
BLM18PG121SN1D
C4600
1000pF
50V
BLM18PG121SN1D
C4601
1000pF
50V
L4600
EU
EU
L4601
EU
EU
EU
C4602
4700pF
C4603
4700pF
EU
DTV/MNT_L_OUT
DTV/MNT_R_OUT
Page 30
Ethernet Block
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LAN_JACK_POWER
PAGE 16
JK5100
BS-R570098
12
SHIELD
1
2
3
4
5
6
7
8
9
10
11
D1
D2
D3
D4
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10[GND]
R11
YL_C
YL_A
GN_C
GN_A
C5100
0.1uF
16V
C5101
0.01uF
50V
VA5100
5.5V
ESD_LAN
C5102
0.1uF
16V
VA5101
5.5V
ESD_LAN
C5103
0.01uF
50V
VA5102
5.5V
ESD_LAN
VA5103
5.5V
ESD_LAN
EPHY_TDP
EPHY_TDN
EPHY_RDP
EPHY_RDN
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Page 31
Ethernet Block
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
PAGE 17
+3.5V_WOL
3.3K
WOL POWER ENABLE CONTROL
+3.5V_WOL
LAN_JACK_POWER
C5203
C5201
C5200
4.7uF
10V
Place 0.1uF close to each power pins
0.1uF
0.1uF
16V
16V
EPHY_RDP
EPHY_RDN
EPHY_TDP
EPHY_TDN
ETHERNET INTERFACE
- CROSS CONNECTION
(PATTERN ISSUE)
ET_COL/SNI
Place this cap. near IC
C5205
Place this Res. near IC
0.1uF
16V
Route Single 50 Ohm, Differential 100 Ohm
+3.5V_WOL
R5203
3.3K
C5206
8pF
50V
R5204
2.49K 1%
1
4
3
XTA L_2
C5207
8pF
50V
AVDD10OUT
+3.5V_WOL
XTA L_12GND _1
X52 00
25M Hz
GND _2
RSET
MDI+[0]
MDI-[0]
MDI+[1]
MDI-[1]
AVDD33_1
RXDV
3.3K
R5200
+3.5V_WOL
R52021M
OPT
[EP]
CKXTAL2
1
THERMAL
2
3
4
5
6
7
8
RXD[0]10RXD[1]
Place this cap. near IC
C5208
0.1uF
16V
ET_RXER
R5218
0
DVDD10OUT
AVDD33_2
CKXTAL1
29
30
31
32
33
IC5200
RTL8201F-VB-CG
9
11
12
13
RXC
RXD[2]/INTB
RXD[3]/CLK_CTL
C5209
33pF
3.3K
R5208
EPHY_RXD1
EPHY_RXD0
EPHY_CRS_DV
ET_COL/SNI
CRS/CRS_DV
COL28RXER/FXEN
26
27
14
15
TXC
DVDD33
R5209
C5202
Place near IC
5pF
EPHY_ACTIVITY
R521033
LED1/PHYAD[1]
25
LED0/PHYAD[0]/PMEB
24
MDIO
23
MDC
22
PHYRSTB
21
TXEN
20
TXD[3]
19
TXD[2]
18
TXD[1]
17
16
TXD[0]
51
EPHY_TXD0
+3.5V_WOL
C5211
0.1uF
16V
R5215
3.3K
R5217
EPHY_EN
EPHY_TXD1
R5205
+3.5V_WOL
3.3K
R5212
1.5K
1/16W
EPHY_ACTIVITY
ET_RXER
1%
R5219
10K
1/16W
5%
WOL/ETH_POWER_ON
EPHY_MDIO
EPHY_MDC
/RST_PHY
(from SOC)
+3.5V_ST
WOL_CTL
C5204
0.1uF
R5223 33
R5222
10K
OPT
IN
EN
AP2191WG-7
5
4
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
IC5201
+3.5V_WOL
OUT
1
GND
2
FLG
3
EPHY_REFCLK
BSD-NC4_H052-HD
2012-09-12
ETHERNET
Page 32
AUD_OUT >> EU/CHINA_HOTEL_OPT
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
EU
DTV/MNT_L_OUT
C6000
1uF
25V
SCART_LOUT
EU
R6000
2.2K
OPT
C6002
6800pF
OPT
R6002
470K
EU
R600433K
C6003 33pF
EU
R6001
10K
C6001
4.7uF
10V
PAGE 19
+12V
EU
SIGN6000001
EU
EU
L6000
EU
C6004
0.1uF
50V
R600833K
C6005
10K
R6003
4.7uF
10V
C6006
EU
R6011
2.2K
EU
33pF
EU
OPT
R6010
470K
OPT
C6007
6800pF
EU
C6008
1uF
25V
DTV/MNT_R_OUT
SCART_ROUT
IC6000
AZ4580MTR-E1
OUT1
1
IN1-
2
IN1+
EU
VEE
EU
EU
3
4
VCC
8
OUT2
7
IN2-
6
IN2+
5
[SCART AUDIO MUTE]
DTV/MNT_L_OUT
C
Q6000
MMBT3904(NXP)
B
EU
E
DTV/MNT_R_OUT
C
Q6001
MMBT3904(NXP)
B
EU
E
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
R6013
R6014
EU
1K
EU
1K
EU_SCART_MUTE_ISAHAYA
Q6002
RT1P141C-T112
E
C
B
EU_SCART_MUTE_NXP
SCART_MUTE
PDTA114ET
Q6002-*1
E
C
B
MID_MAIN
SCART AMP
2013.03.19
3
25
Page 33
EARPHONE AMP
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
IC6100
TPA6138A2
HP_OUT
R6100
10K
C6104
18pF
R6103
HP_OUT
+3.3V_NORMAL
1%
43K
4.7K
R6105
HP_OUT
HP_OUT
R6106
43K
1%
HP_OUT
HP_OUT
HP_OUT
C6100
1uF
10V
HP_ROUT_MAINHP_LOUT_MAIN
HP_OUT
HP_ROUT_AMP
SIDE_HP_MUTE
C6108
10pF
50V
C6102
1uF
10V
+INR
-INR
OUTR
GND_1
MUTE
VSS
1
HP_OUT
2
3
4
5
6
CN
7
HP_OUT
C6103
1uF
10V
+INL
14
-INL
13
OUTL
12
UVP
11
GND_2
10
VDD
9
CP
8
HP_OUT
C6106
10pF
50V
HP_OUT
HP_OUT
R6104
43K
1%
HP_OUT
C6109
18pF
1%
R6102
43K
HP_OUT
+3.3V_NORMAL
HP_OUT
C6105
1uF
16V
10V
C6107
0.1uF
HP_OUT
R6101
10K
C6101
1uF
10V
HP_OUT
HP_LOUT_AMP
PAGE 20
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
HEADPHONE AMP
2011.09.29
61
Page 34
PAGE 21
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CI POWER ENABLE CONTROL
+5V_NORMAL
PCM_5V_CTL
C6211
0.1uF
50V
R6218
10K
CI
CI
R6217
100
IN
EN
IC6200
AP2151WG-7
5
4
+5V_CI_ON
OUT
1
CI
GND
2
FLG
3
C6210
1uF
25V
CI
R6219
10K
CI
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Page 35
SMARTCARD_PWR_SEL/SD_EMMC_DATA[1]
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
+5V_NORMAL
JAPAN
C6300
0.1uF
16V
B-CAS (SMART CARD) INTERFACE
R630022
JAPAN
L6300
BLM18PG121SN1D
CLKDIV1 CLKDIV2 : F_CRD_CLK
---------------------------- 1 0 CLKIN
+3.3V_NORMAL
2.7K
JAPAN
R6301
JAPAN
JAPAN
JAPAN
C6301
10uF
10V
R6304
2.7K
R6305
R6306
JAPAN
C6302
0.1uF
2.7K
OPT
16V
JAPAN
JAPAN
C6303
0.1uF
16V
CLKDIV1
CLKDIV2
5V/3V
PGND
VDDP
VUP
PRES
PRES
I/O
AUX2
AUX1
CGND
S2
S1
IC6300
TDA8024TT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
JAPAN
PAGE 22
INT CMDVCC : STATUS
+3.3V_NORMAL
AUX2UC
28
AUX1UC
27
I/OUC
26
XTAL2
25
XTAL1
24
OFF
23
GND
22
VDD
21
RSTIN
20
CMDVCC
19
PORADJ
18
VCC
17
RST
16
CLK
15
JAPAN
C6304
0.1uF
16V
JAPAN
AR6300
33
JAPAN
R6311
Place CLK C3 far from C2,C7,C4 and C8
1.2K
JAPAN
R6317
22
BLM18PG121SN1D
JAPAN
C6305
0.1uF
16V
75 ohm in I/O is for short circuit Protection
1.2K
OPT
R6318
JAPAN
L6301
JAPAN
1.2K
JAPAN
R6315
10K
R6312
OPT
JAPAN
C6306
0.1uF
16V
1.2K
1.2K
JAPAN
R6316
R6319
JAPAN
R6313
75
+3.3V_NORMAL
R6314
JAPAN
ZD6300
JAPAN
1K
5V
JAPAN
SMARTCARD_DATA/SD_EMMC_CLK
SMARTCARD_CLK/SD_EMMC_DATA[0]
SMARTCARD_DET/SD_EMMC_DATA[3]
SMARTCARD_RST/SD_EMMC_DATA[2]
SMARTCARD_VCC/SD_EMMC_CMD
B-CAS SLOT
VCC
RST
CLK
GND
VPP
I/O
SW1
SW2
C1
C2
C3
C4
C5
C6
C7
C8
S1
S2
P6300
JAPAN
10057542-1311FLF(B CAS Slot)
C6307
0.33uF
16V
RESERVED_1
RESERVED
ZD6301
5V
JAPAN
-------------------------------- HIGH HIGH CARD PRESENT
LOW HIGH CARD not PRESENT
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
B-CAS I/F
2013.04.03
Page 36
Global F/E Option Name
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. TU
2. Tuner Name = TDJ’H’,TDj’M’...
3. Country Name = KR,US,BR,EU ...
Example of Option name
TU_ALL_IntDemod = All Tuner type for Internal demod
TU_M/W = apply TDSM&TDSW Type Tuner
14’ Tuner Type for Global
TDJ’H’-G101D : Half NIM for EU,AJJA
TDJ’H’-H101F : Half NIM for US, KR
TDJ’K’-T101F : Half NIM for TW
TDJ’M’-C301D,F : FULL NIM for China
TDJ’M’-B101F : Brazil NIM with Isolater Type
TDJ’M’-K101F : colombia NIM
TDJ’M’-G101D,G105D,G151D : EU Combo&Full NIM
TDJ’M’-H101F,H151F : Korea PIP tuner
TDJ’W’-A151D : AJJA T2 PIP
3. Signal Width >= 12mils
Signal to Signal Width = 12mils
RF_SWITCH_CTL
Ground Width >= 24mils
IF_AGC
TU_ALL_2178B
R6513 0
I2C_SCL4
I2C_SDA4
TUNER_SIF
+3.3V_TUNER
TU_ALL_2178B
R6516
200
B
TU_ALL_2178B
R6517
200
E
TU_ALL_2178B
Q6502
MMBT3906(NXP)
C
1608 perallel
because of derating
TU_CVBS
+3.5V_ST
POWER_ON/OFF2_1
TU_M/W
10K
R6500
TU_M/W
C6500
10uF
10V
+5V_NORMAL
TU_M/W
C6515
1uF
10V
+3.3V_NORMAL
C6517
22uF
10V
85C
IC6500
TU_M/W
C6516
0.1uF
AP2132MP-2.5TRG1
PG
1
EN
2
VIN
3
VCTRL
4
Vout=0.6*(1+R1/R2)
L6504
BLM18PG121SN1D
TU_M/W
9
THERMAL
2A
/TU_RESET2_TU
+3.3V_TUNER
T2 : Max 1.7A
else : Max 0.7A
Demod_Core
[EP]
R6521-*1
TU_M/W
C6518
10uF
10V
18K
R6519-*1
16K
TU_M/W_1.1V
TU_M/W_1.1V
TU_M/W_1.2V
GND
8
ADJ
7
VOUT
6
NC
5
10K
R65 21
R65 19
10. 5K
TU_M/W_1.2V
R2
R1
/TU_RESET2
FE_DEMOD1_TS_ERROR
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
TUNER
2012.07.10
65
Page 37
TU_TDJW-B251F
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
TU6700
TDJW-B251F
DVB_TDJM_G251D
TU6707
TDJM-G251D
ATSC_TDJM_H151F
TU6701
TDJM-H151F
ATSC_TDJH_H251F
TU6703
TDJH-H251F
+2.5V_DEMOD
TU_M_EU/AJ/KR/US/CN
R6702-*1
0
TU_M_CN
DVB-T GND
TU_GND_B
C6701
630V
1000pF
R6702
10
TU_M_EU/AJ/KR/US
+2.5V_NORMAL
L6502
BLM18PG121SN1D
C6508
0.1uF
TU_GND_A
C6801
630V
1000pF
TU_M/W_EU/AJ/TW/BR/CN
0
R6700
R6801
0
TU_M_KR/US
TU_M/W_TW/BR/CN
R6801-*1
22
TU_M_EU/AJ
R6701 0
TU_M_KR/US
TU_GND_A
B1[+3.3V]
1
RF_S/W_CTL
2
NC_1
3
SCL_RF
4
SDA_RF
5
NC_2
6
NC_3
7
M_SIF
8
M_CVBS
9
NC_4
10
B2[+3.3V]
11
NC_5
12
GND_1
13
M_RESET_DEMOD
25
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.1V]
28
NC_6
29
SDA_DEMOD
30
NC_7
33
M_ERROR
34
GND_2
35
M_SYNC
36
M_MCLK
37
NC_8
38
M_VALID
39
M_DATA
40
S_ERROR
41
S_SYNC
42
S_MCLK
43
S_VALID
44
S_RESET_DEMOD
45
S_DATA
46
A1
A1
B1
B1
TU_W
R6804
0
TU_W
R6805
0
FE_DEMOD2_TS_ERROR
FE_DEMOD2_TS_SYNC
FE_DEMOD2_TS_CLK
+2.5V_DEMOD
FE_DEMOD2_TS_VAL
FE_DEMOD2_TS_DATA
FE_DEMOD1_TS_ERROR
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_VAL
/TU_RESET2_TU
FE_DEMOD1_TS_DATA[0]
A1
TU_GND_A
A1
47
SHIELD
47
SHIELD
TU_GND_B
B1[+3.3V]
1
NC_1
2
NC_2
3
SCL_RF
4
SDA_RF
5
NC_3
6
NC_4
7
SIF
8
CVBS
9
NC_5
10
B2[+3.3V]
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.1V]
28
F22_OUTPUT
29
SDA_DEMOD
30
LNB
31
GND_2
32
B1
B1
TU_GND_B
A1
TU_GND_A
B1[+3.3V]
1
NC_1
2
M_DIF_AGC
3
SCL_RF
4
SDA_RF
5
M_DIF[P]
6
M_DIF[N]
7
S_SIF
8
S_CVBS
9
NC_2
10
B2[+3.3V]
11
S_ERROR
12
GND_1
13
S_MCLK
14
S_SYNC
15
S_VAILD
16
S_DATA
17
NC_3
18
NC_4
19
NC_5
20
NC_6
21
NC_7
22
NC_8
23
NC_9
24
S_RESET_DEMOD
25
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.1V]
28
NC_10
29
SDA_DEMOD
30
B1
A1
B1
TU_M
0
TU_M
R6802
R6803
0
+3.3V_TU
+3.3V_TU
FE_DEMOD1_TS_ERROR
FE_DEMOD1_TS_CLK
FE_DEMOD1_TS_SYNC
FE_DEMOD1_TS_VAL
FE_DEMOD1_TS_DATA[0]
FE_DEMOD1_TS_DATA[1]
FE_DEMOD1_TS_DATA[2]
FE_DEMOD1_TS_DATA[3]
FE_DEMOD1_TS_DATA[4]
FE_DEMOD1_TS_DATA[5]
FE_DEMOD1_TS_DATA[6]
FE_DEMOD1_TS_DATA[7]
/TU_RESET1_TU
+3.3V_DEMOD_TU
I2C_SCL4_TU
D_Demod_Core
LNB_TX
I2C_SDA4_TU
LNB_OUT
A1
TU_GND_A
A1
47
SHIELD
47
SHIELD
TU_GND_B
A1
TU_TDJW_152F
47
SHIELD
TU6700-*1
TDJW-K152F
B1[+3.3V]
1
SWITCH_CTR
2
NC_1
3
SCL_RF
4
SDA_RF
5
NC_2
6
NC_3
7
S_SIF
8
S_CVBS
9
NC_4
10
B2[+3.3V]
11
NC_5
12
GND_1
13
M_RESET_DEMOD
25
B3[+3.3V]
26
SCL_DEMOD
27
B4[+1.2V]
28
NC_6
29
SDA_DEMOD
30
NC_7
33
M_ERROR
34
GND_2
35
M_SYNC
36
M_MCLK
37
NC_8
38
M_VALID
39
M_DATA
40
S_ERROR
41
S_SYNC
42
S_MCLK
43
S_VALID
44
S_RESET_DEMOD
45
S_DATA
46
B1B1A1
1
2
3
4
5
6
7
8
9
B1
B1[+3.3V]
NC
DIF_AGC
SCL
SDA
DIF[P]
DIF[N]
SIF
CVBS
B1
A1
A1
TU_GND_B
DVB_TDJM-G255D
TU6701-*1
TDJM-G255D
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
B1
47
SHIELD
1
2
3
4
5
6
7
8
9
B1[+3.3V]
NC_1
NC_2
SCL_RF
SDA_RF
NC_3
NC_4
SIF
CVBS
NC_5
B2[+3.3V]
ERROR
GND_1
MCLK
SYNC
VAILD
D0
D1
D2
D3
D4
D5
D6
D7
RESET_DEMOD
B3[+3.3V]
SCL_DEMOD
B4[+1.2V]
F22_OUTPUT
SDA_DEMOD
B1
+3.3V_LNA_TU
RF_SWITCH_CTL_TU
IF_AGC_TU
I2C_SCL6_TU
I2C_SDA6_TU
IF_P_TU
IF_N_TU
TU_SIF_TU
TU_CVBS_TU
A1
A1
DVB_TDJM-C351D
47
SHIELD
TU6701-*2
TDJM-C351D
B1[+3.3V]
1
RF_SW_CTL
2
NC_1
3
SCL_RF
4
SDA_RF
5
NC_2
6
NC_3
7
SIF
8
CVBS
9
NC_4
10
NC_5
11
ERROR
12
GND_1
13
MCLK
14
SYNC
15
VAILD
16
D0
17
D1
18
D2
19
D3
20
D4
21
D5
22
D6
23
D7
24
RESET_DEMOD
25
B2[+3.3V]
26
SCL_DEMOD
27
B3[+1.1V]
28
NC_6
29
SDA_DEMOD
30
B1
B1
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
TU_SYMBOL
2012.09.14
Page 38
DVB-S2 LNB Part Allegro
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
PAGE 26
LNB_OUT
(Option:LNB)
C6900
0.1uF
LNB
Close to Tuner
Surge protectioin
C6901
33pF
LNB
D6900
LNB
R6900
2.2K
1W
LNB
LNB_TSC
SS23L
D6901-*1
LNB_TSC
D6901
MBR230LSFT1G
LNB_ONSEMI
C6902
0.22uF
LNB
25V
A_GND
2A
D6902-*1
SS23L
30V
30V
30V
D6902
LNB_ONSEMI
30V
C6903
0.01uF
50V
LNB
LNB
C6905
10uF
25V
LNB
close to Boost pin(#1)
C6904
0.1uF
50V
A_GND
C6906
10uF
25V
D6903
LNB_SMAB34
40V
D6903-*1
LNB_SX34
40V
LNB
A_GND
C6907
10uF
25V
LNB
LNB_SMAB34
LNB
C6908 0.1uF
D6904-*1
40V
LNB_SX34
D6904
40V
VCP
LNB
NC_1
TDI
TDO
A_GND
NC_2
NC_3
BOOST
[EP]GND
18
19
20
1
THERMAL
2
21
3
IC6900
A8303SESTR-T
4
LNB
5
7
8
6
SCL9ADD
SDA
IRQ
GNDLX
16LX17
10
TONECTRL
+12V
3.5A
LNB
15uH
L6900
SP-7850_15
VIN
15
GND
14
VREG
13
ISET
12
TCAP
11
+3.3V_NORMAL
3.3K
R6907
LNB_DMB
3A
Max 1.3A
C6909
10uF
25V
LNB
A_GND
close to VIN pin(#15)
C6910
0.1uF
50V
LNB
C6912
LNB
0.1uF
LNB
C69110.22uF
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
LNB
R6903
39K
1/16W
1%
Caution!! need isolated GND
A_GND
R6904
0
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
LNB
R6901 33
I2C_SCL4
LNB
R6902 33
I2C_SDA4
LNB_TX
10K
R6906
LNB_DMB
LNB_ALEGRO
R6906-*1
0
LNB
2012.03.08
69
Page 39
eMMC I/F
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
eMMC
11.09.29
81
Page 40
PLACE AT JACK SIDE
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SCART_LOUT
SCART_ROUT
EU
R336
100K
R337
100K
EU
R338
100K
100K
EU
C329 2.2uF
C330 2.2uF
EU
R339
10V
EU
10V
EU
SCART_LOUT_SOC
SCART_ROUT_SOC
Page 41
Vx1 Interface
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
Vx1 LVDS INTERFACE
BSD-NC4_H072-HD
2013.04.03
Page 42
+3.5V_ST
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
+3.3V_NORMAL
RL_ON
+3.5V_ST
+12V
C2306
0.1uF
R2301
R2300
10K
50V
10K
MMBT3906(NXP)
VA23001
AMOTECH CO., LTD.
L2304
UBW2012-121F
C2307
0.1uF
16V
UBW2012-121F
L2303
5.6V
Q2300
2
5V
ZD2303
1
3
P2300
SMAW200-H18S5
POWER_WAFER_18PIN
PWR ON
1
3.5V
3
3.5V
5
GND
7
24V
9
GND
11
12V
13
12V
15
GND
17
19
INV ON
2
NC
4
3.5V
6
GND
8
24V
10
GND
12
12V
14
24V
16
GND
18
ECO_POWER_CTL
L2306
UBW2012-121F
C2316
0.1uF
50V
R2309
100
+24V
R2310
1K
OPT
R12014
0
1/16W
5%
INV_CTL
TP5603
PWM_DIM2
MODEL_OPT_11ECO_POWER_CTL
+3.3V - eMMC 4.41(LG1311-A0)
+3.3V_NORMAL
L2302
BLM18PG121SN1D
C2305
0.1uF
16V
C2300
22uF
10V
3.3V_EMMC
+1.8V - eMMC 4.51(LG1311-B0)
+3.3V_NORMAL
IC2306
AZ1117EH-ADJTRG1
OUTIN
ADJ/GND
+12V
D2304
PTVS13VS1UR
OPT
13V
EN
VFB
VREG5
SS
L2300
BLM18PG121SN1D
3.3V_DCDC_TI
IC2300-*1
TPS54327DDAR
1
2
THERMAL
3
4
C2302
10uF
16V
9
[EP]GND
VIN
8
VBST
7
SW
6
GND
5
+3.3V_NORMAL
C2303
0.1uF
25V
R23 03
68K
1/1 6W
1%
R2304
10K
1/1 6W
1%
3.3V_DCDC_TI
C2312-*1
3300pF
50V
POWER_ON/OFF1
R2302
5.1K
1/16W
1%
C2304
100pF
50V
C2310
R23 05
22K
1uF
10V
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
DVDD18_EMMC
R2357
75
R2358
33
VREG
C2312
2200pF
50V
DCDC_ROHM
C2301
10uF
10V
IC2300
BD9D320EFJ
EN
1
FB
2
3
DEV_BD9D320EFJ_E2
SS
4
3A
R2347
1
9
THERMAL
C2308
10uF
10V
8
7
6
5
[EP]FIN
VIN
BOOT
SW
GND
OPT
2.5V
D2302
16V
0.1uF
C2313
Vout=0.765*(1+R1/R2)
L2301
2uH
C2314
22uF
10V
+3.3V_NORMAL
C2315
22uF
10V
5V
ZD2300
OPT
PANEL_CTL
+5V_NORMAL
POWER_ON/OFF2_1
POWER_ON/OFF2_3
+1.1V_VDD
C2317
22uF
10V
OPT
2.5V
ZD2301
PANEL_POWER
PANEL_VCC_DIRECT
+12V
L2313
UBW2012-121F
PANEL_VCC_FET
R2314
10K
C2331
0.1uF
50V
R2317
R2318
5.1K
B
30K
C2333
10uF
16V
C
Q2301
MMBT3904(NXP)
E
+2.5V
AP7173-SPG-13 HF(DIODES)
+3.3V_NORMAL
C2327
10uF
10V
R2312
10K
IC2302
IN
1
PG
2
VCC
1.5A
3
EN
4
9
THERMAL
[EP]
OUT
8
FB
7
SS
6
GND
5
+1.1V_CORE
R2311
10KC2342
1%
R2351
5%
91K
1/1 6W
R23 15
1%
27K
1/1 6W
RF
R23 13
PGOOD
EN
C2323
VBST
0.1uF
NC_1
16V
SW_1
SW_2
SW_3
SW_4
C2318
22uF
10V
C2320
0.1uF
16V
C2319
22uF
10V
L2305
1uH
C2321
1000pF
50V
R2307 1K
R2306
2K
1/16W
5%
R2308
3.3
4.7
1/10W
C2322
470pF
50V
Vout=0.6*(1+R1/R2)
POWER UP SEQUENCE
5V/3.3V->2.5V->1.5V/1.1V->1.0V
[EP]
1
THERMAL
2
29
3
IC2301
4
TPS53513RVER
5
DEV_TPS53513RVER
6
7
8
9
10
PGND_111PGND_212PGND_313PGND_414PGND_5
R2316
39K
1/16W
5%
TRIP26NC_327GND128GND2
L12007
UBW2012-121F
Q2302
PMV48XP
S
G
D
C9100
2200pF
50V
PANEL_VCC
R2346
3.3K
LVDS_DISCHARGE
1%
1/16W
R2322
1%
1/16W
R2321
Vout=0.8*(1+R1/R2)
R1
R2319
R2
24VO25
FB
23
GND
22
MODE
21
VREG
20
VDD
19
NC_2
18
VIN_3
17
VIN_2
16
VIN_1
15
R2320
C2325
2200pF
50V
4.3K
R2
2K
9.1K
10.7K
R1
1/16W
1/16W
1%
1%
C2347
0.1uF
50V
C2346
10uF
10V
5%
1/16W
+2.5V_NORMAL
C2337
0.1uF
OPT
16V
D2301
D2303
PTVS13VS1UR
OPT
20K
R2323
C2326
1uF
10V
13V
L2307
C2328
10uF
16V
5V
+12V
C2332
10uF
16V
Power_DET
+12V
P_DET_12V
P_DET_12V
PANEL_20V
TP5602
On-semi
R2325
2.7K
1%
R2326
1.2K
1%
P_DET_3.5V
PANEL_20V
OPT
OPT
+3.5V_ST
R2327
8.2K
R2328
1.5K
1%
R2330
0
5%
OPT
DDR MAIN 1.5V
10K
R2324
1.5V_DCDC_TI
+3.5V_ST
VIN_1
VIN_2
GND_1
GND_2
VIN_3
EP[GND]
1.5V_DCDC_TI
1
THERMAL
2
IC2303-*1
3
TPS54319TRE
4
5
AGND
15EN16
17
6
VSENSE
COMP
7
C2339
10uF
10V
BOOT14PWRGD
13
12
11
10
8
RT/CLK
L2308
9
C2340
0.1uF
16V
PH_3
PH_2
PH_1
SS/TR
1.5V_DCDC_TI
R2329-*1
15K
1/16W
PVIN_1
PVIN_2
PGND_1
PGND_2
1.5V_DCDC_TI
C2344-*1
4700pF
[EP]FIN
1
THERMAL
DEV_T-BD9A300MUV_E2
2
17
IC2303
3
BD9A300MUV
4
3A
5
6
FB
AGND8MODE
Vout=0.8*(1+R1/R2)
+5.0V normal & USB
C2334
0.0068uF
50V
R2342
+12V
PTVS13VS1UR
13V
OPT
L2310
120-ohm
C2309
10uF
35V
OPT
D2305
C2311
10uF
35V
[EP]
VIN_1
1
THERMAL
VIN_2
2
VIN_3
C2329
0.1uF
50V
1uF
25V
C23 24
3
PGND_1
4
SN1302001(TPS65286RHDR)
PGND_2
5
PGND_3
6
V7V
7
8
MODE/SYNC
C2330
0.0068uF
50V
R2339
POWER_ON/OFF2_4
R23 35 16 K 1%
R23 40 16 K 1%
R23 411 50K 1 %
COMP25RLIM26RSET127RSET228AGND
29
DEV-TPS65286RHDR
IC2304
9EN10
12
SW_EN213SW_EN1
SW_OUT211SW_OUT1
10K
+5V_USB_3
+5V_USB_2
MID_LG1311
10K
USB_CTL3
USB_CTL2
RESET IC_ROHM
VDD
C2355
0.1uF
16V
VDD
C2356
0.1uF
50V
C4700
0.1uF
BOOT14PGD15EN16AVIN
13
SW_3
12
SW_2
11
SW_1
10
SS
9
7
ITH
R2329
8.2K
1/16W
1%
1.5V_DCDC_ROHM
OPT
C2335
100pF
50V
22SS23FB24
LX_3
21
LX_2
20
LX_1
19
BST
18
SW_IN2
17
SW_IN1
16
NFAULT1
15
14
NFAULT2
/USB_OCD2
POWER
R2337
100K
IC2307
BD48K28G
3
OPT
R2336
100K
OPT
IC2308
BD48K28G
3
C2341
0.1uF
16V
0.01uF
R2331
330K1/16W5%
C2336
0.047uF
25V
VOUT
2
1
GND
VOUT
2
1
GND
POWER_ON/OFF2_2
50V
2700pF
C2344
50V
1.5V_DCDC_ROHM
C2343
82pF
50V
4.7uH
L2311
C2338
0.047uF
25V
5%
100K
R2344
1/16W
/USB_OCD3
NR5040T2R2N
L2309
2.2uH
R2
R1
R2353
R2350
100
R2349
100
C2349
C2345
22uF
22uF
10V
10V
1%
6.8K
1/16W
R2345
C2348
22uF
10V
1%
51K
1/16W
R2352
L2311 Change, 131120
for Currnet UP
5%
100K
1/16W
+3.5V_ST
OPT
TP5604
C2350
1uF
10V
Vout=0.6*(1+R1/R2)
PAGE 8
RESET IC_DIODES
IC2307-*1
APX803D29
VCC
3
R2338
10K
OPT
not to RESET at 8kV ESD
POWER_DET_MODULE
POWER_DET_MODULE
+1.5V_DDR
1%
R1
1/1 6W
R2
1%
1/1 6W
C2351
22uF
10V
1
GND
POWER_DET
C2365
0.1uF
16V
24V-->3.48V
12V-->3.58V
ST_3.5V-->3.5V
ZD2302
C8200
100pF
16K
50V
R23 32
1.5V_DCDC_TI
18K
R23 33
C2352
10uF
10V
+5V_NORMAL
2013.03.22
8
2.5V
RESET
2
OPT
31
Page 43
PAGE 12
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LOGO_LIGHT
place Near Micom
BT_RESET
WOL/WIFI_POWER_ON
EYE_SDA
EYE_SCL
+3.5V_ST
OPT
R11601
10K
0.1uF
10K
C11601
R11602
P11601
+3.5V_ST
5%
OPT
R11615
10K
5%
+3.5V_WOL
R11616
R11617
100
KEY1
100
KEY2
SMAW200-H18S5
GND
NC
WOL
SDA
SCL
GND
IR
LOGO
1
3
5
7
9
11
13
15
17
R11609
R11610
100
100
R11611
22
C11602
0.1uF
R11603
100
R11604
100
IR
R11606
10K
5%
C11603
0.1uF
+3.5V_ST
C11604
100pF
50V
BT_RESET
2
4
6
8
10
12
14
16
18
+3.5V_WOL
USB_DM
USB_DP
GND
GND
KEY1
KEY2
+3.5V_ST
GND
D11601
RCLAMP0502BA
L4000 Delete for voltage drop, 131120
+3.5V_ST
C11609
C11608
5pF
50V
OPT
OPT
C11607
0.1uF
Place Near Wafer
C11606
5pF
50V
OPT
C11605
1000pF
50V
OPT
22uF
10V
R11612
10
R11613
10
OPT
C11610
0.1uF
WIFI_DM
WIFI_DP
R11614
C11611
0.1uF
10K
19
1K
16V
B
MMBT3904(NXP)
E
C
Q11601
R11607
GND
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
IR / KEY
2013.03.22
12
31
Page 44
RS-232C Control INTERFACE(NORTH AMERICA)
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
RS232C
RS232C
RS232C
RS232C
C6808
0.1uF
C2809
0.1uF
C6810
0.1uF
C6811
0.1uF
C1+
C1-
C2+
C2-
DOUT2
RIN2
V+
V-
RS232C
IC6801
MAX3232CDR
1
2
3
4
5
6
7
8
EAN41348201
RS232C
R6820
+3.5V_ST
OPT
ZD6802
ADUC 20S 02 010L
RS232C
C6813
0.1uF
VCC
16
GND
15
DOUT1
14
RIN1
13
ROUT1
12
DIN1
11
DIN2
10
ROUT2
9
SOC_RX
SOC_TX
20V
100
RS232C
R6821
100
OPT
ZD6803
ADUC 20S 02 010L
20V
6M6
1M1
3M3_DETECT
4M4
5M5_GND
KJA-PH-1-0177
JK4303
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Page 45
PAGE 13
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
USB_DM2
USB_DP2
D11801
RCLAMP0502BA
+5V_USB_2
C11806
5V
ZD4301
ESD_USB23
10uF
10V
USB2
MAX 1.5A
3AU04 S- 305-ZC- (L G)
JK430 2
1234
+5V_USB_3
USB_DM3
USB_DP3
USB D OW N STREA M
5
D11802
RCLAMP0502BA
C11812
5V
ZD4300
ESD_USB23
10uF
USB3
10V
USB3
MAX 1.5A
USB3
3AU04 S- 305-ZC- (L G)
JK430 0
1234
USB DOWN STREAM
5
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
MID_LG1311
USB 2 & 3
2013.04.03
1
Page 46
AUDIO AMP(NTP7514) TWEETER
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
WOOFER_MUTE
GP4_MT5369
AUDIO[ST]
2011.11.21
58
Page 47
FRONT AMP(NTP7514)
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
I2S_TWEETER_AMP
SPK_TW_L+
SPK_TW_L-
SPK_TW_R+
SPK_TW_R-
SPK_L+
SPK_L-
SPK_R+
SPK_R-
JP5611
JP5610
JP5609
JP5608
JP5604
JP5605
JP5606
JP5607
8
7
6
5
4
3
2
1
SMAW250-08
P11002
Page 48
55EC9300
55EC9310
Page 49
OLED TV Repair Guide
14 years New Models
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
`
< Applicable Model >
55EC9300-UA
Page 50
Overview for ’14 OLED FHD MODEL
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
(Hardware)
Page 51
Main PCB for Broadband
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
55EC9300
Front Spk
Tweeter Spk
To PSU
Module FFC
WIFI BT Combo
Jog Key
IR Color sensor
3
1
2
MAIN SOC
1
DDR Memory
EMMC Memory
Micom for Key/IR sensing
2
Audio AMP
3
Page 52
1. M14 Block Diagram1. M14 Block Diagram
(512MB X 2EA)
24MH
A
M14
HDMI1
I2C 1
ARCVBS/RGB
WIFI
_
32.768KH
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
R
E
R
(V)
KOREA PIP TUNERKOREA PIP TUNER
Tuner : I2C 6
S
USB1
I
D
USB2
E
USB3
S
(ARC)
I
HDMI2
D
HDMI3
E
HDMI4
(MHL)
H/P (Line Out)
(IR Bla Ready)
R
E
COMP
AV
IF (+/-)
CVBS/SIF/DIF
OCP
1.5A
OCP
1.5A
OCP
1A
AMP
ST
X_TAL
z
Digital Demod
Analog Demod
USB
HDMI
MUX
YPbP
r
CVBS
DDR3 1600 X 16
IC101
AB
I2C 5
Vby1
I2S Out
USB_WIFI-BT
51P MCX cable
I2C1
DDR3 1600 X 16
(256MB X 2EA)
SYSTEM EEPROM
(256Kb)
eMMC
(4GB)
LGD T-CON
Audio AMP (Front)
Audio AMP (Tweeter)
BLUTOOTH
OPTIC
LAN
LAN
PHY
X_TA
L
25MH
z
SPDIF OUT
ETHERNET
I2C 3
IR / KEY/EYE
LOGO LIGHT
PWM
Sub Micom
(RENESAS
R5F1000G)
X_TAL
SUB
ASSY
IR
I2C
KEY
z
Page 53
2. M14 I2C Block Diagram2. M14 I2C Block Diagram
+3.3V_NORMAL
IC5600(NTP7514) FRONT
IC3000
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGD T-CON
0x54
Fast Mode(370kHz)
IC5601(NTP7514)TWEETER
0x56
+3.3V_NORMAL
3.3KΩ
100Ω
100Ω
+3.3V_NORMAL
IC101
M14
I2C_SDA1
I2C_SCL1
I2C_SDA6
I2C_SCL6
I2C_SDA5
I2C_SCL5
+3.3V_TUNER
3.3KΩ
3.3KΩ
TUNER
0xC6(Master), 0xC0(Slave)
33Ω
Fast Mode(353kHz)
IC103
33Ω
NVRAM
Renesas MICOM
0x52
Standard Mode(50kHz)
EYE_SDA
EYE_SCL
IR / KEY/EYE
3.3KΩ
100Ω
33Ω
+3.5V_ST
3.3KΩ
I2C_SDA_MICOM_SOC
I2C_SCL_MICOM_SOC
Page 54
3. Power Block Diagram3. Power Block Diagram
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Page 55
4. Tuner Block Diagram4. Tuner Block Diagram
M14
I2C_SDA4
1.5K
Ω
6dB TR AMP
AK29 [AAD_ADC_OUT]
IF_N
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[+3.3V_TUNER] 1, 11
Tuner
[SLC] 6
[SDA] 6
+3.3V_TU
33Ω
I2C_SCL4
IC2_SDA6
IC2_SCL6
+3.3V_TU
IC101
AP6 [SCL3]
AR6 [SDA3]
AJ5 [GPIO22]
AG23[SCL5]
AH24 [SDA5]
[S_RESET] 25
[M_DIF_P] 6
[M_DIF_N] 7
S_SIF 9
S_CVBS 8
M_DIF_IFAGC 3
/S2_RESET
DMD_SIF_OUT
SoC_CVBS_OUT
IF_P
TUNER_SIF(for T2/C/S)
TU_CVBS(for T2/C/S)
IF_AGC
AG17 [GPIO6]
AL30 [DMD_SIF_OUT]
LPFLPF
AK27 [DMD_DAC_OUT]
AL27 [CVBS_IN1]
AK28 [DMD_ADC_INP]
AL28 [DMD_ADC_INN]
AK29[DMD_ADC_SIF]
AL27[CVBS_IN1]
AM29[IFAGC]
Page 56
5. Video/Audio In Block Diagram5. Video/Audio In Block Diagram
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
JK340
0
JK340
2
Jack Side
COMP1_Y
COMP1_Pb
COMP1_Pr
AV1_CVBS
COMP1/AV1/DVI_L_IN
COMP1/AV1/DVI_R_IN
SoC Side
COMP2_Y_IN_S0C_S0Y
COMP2_Pb__IN_SOC
COMP2_PR_IN_SOC
AV1_CVBS_SOC
AUAD_L_CH3_IN
AUAD_R_CH3_IN
[CVBS_IN3/Y2_IN/SOY2_IN]
[PB2_IN]
[PR2_IN]
[AV1_CVBS_SOC]
[AUDA_L_CH3_IN]
[AUDA_R_CH3_IN]
IC101
M14
Tuner
TU_CVBS
TUNER_SIF/IF_P/N
TU_CVBS_SOC
TUNER_SIF
ADC_I_INP
ADC_I_INN
[CVBS_IN1]
[AAD_ADC-SIF]
[DMD_ADC_INP/DMD_ADC_INN]
Page 57
6. Audio Out Block Diagram6. Audio Out Block Diagram
AV_AUDIO
[
N]
I2C_SCL1
M14
HP_L/ROUT_MAIN
[
]
IC6100
HP_L/ROUT_AMP
1
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
AV JACK
JK3402
AUDA_L_CH3_I
[AUDA_R_CH3_IN]
Tuner
TUNER_SIF
IC101
[AAD_ADC-SIF]
[AUDCLK_OUT]
[DAC_LRCH]
[DAC_SCK]
[DAC_LRCK]
[SDA0]
[SCL0]
[GPIO21]
AUDA_OUTL
[AUDA-OUTR]
[IEC9580UT]
AUD_MASTER_CLK
AUD_LRCH
AUD_LRCK
AUD_SCK
I2C_SDA1
AMP_RESET_N
SPDIF_OUT
IC5600 , IC5601(NTP7400)
Audio AMP
SIDE_HP_MUTE
TPA6138A2PWR
HP AMP
IC3000
MICOM
AMP_MUTE
LPF
LPF
LPF
LPF
LPF
JK3403
JK340
4P WAFER
SPEAKER_L
SPEAKER_R
Tweeter_L
Tweeter_R
HEAD PHONE
Page 58
7. HDMI
DDC_SCL_1
HDMI1HDMI1
R
R
HDMI_HPD
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
VBY1
Coupling cap
2
2
HTPDN:
LOW
4lane 10bit ,
FHD 120 HZ
YUV444
LOCKN
I2C SCA1
Coupling cap
Pin ma
THCV22
6
VBY1 Rx
LGD T-CON
Page 60
9. USB 2.0 / WIFI-BT / IR-KEY-EYE
1
USB_CTL
3
IC4200
__
IC5201
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[USB3_DM0]
[USB3_DP0]
[HUB_PORT_OVER0]
[HUB_VBUS_CTRL0]
[USB3_DM1]
[USB3_DP1]
[EB_CS3]
[EB_CS2]
[USB2_1_DM0]
[USB2_1_DP0]
[EB_CS1]
[EB_CS0]
[USB2_0_DP0]
[USB2_0_DM0]
USB3_DM
USB3_DP
/USB_OCD1
USB_CTL
USB_DM2
USB_DP
2
/USB_OCD2
2
USB_DM3
USB_DP
/USB_OCD3
USB_CTL
3
WIFI-BT_DM
WIFI-BT_DP
USB1
USB HUB
USB2
USB_HUB_DM3
USB_HUB_DP3
USB_HUB_DM2
USB_HUB_DP2
+5V_USB_1
+5V_USB_2
WIFI-BT
Camera
wafer
USB3
IC 4500
OCP
+5V_NORMA
L
+5V_USB_3
Micom
IC 2304
OCP
EYY_SCL
EYE_SDA
LOGO_LIGHT
IR
KEY2
KEY1
LOGO_LIGHT
IR-KEY
-EYE
LOGO
IC101
M14
WOL CTL
WOL Power control
Page 61
Interconnection - 1
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
55EC9300
[PCBs]
2
1
3
5
4
1
Main PCB
2
PSU
3
WIFI + BT Combo ASSY
4
IR / Logo PCB
5
Joystick
Page 62
Standard Repair Process Detail Technical Manual
date
CHECKthevby1LEDandModulesupplyvoltage
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
A. Video error_No video/Normal audio
Established
date
Revised
2013.01.31
A1
‘Red LED signal ‘ means video output is good
Check the Module supply voltage ’24V’
A1
Page 63
Standard Repair Process Detail Technical Manual
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
A. Video error_No video/Normal audio
Check White Balance value
Established
date
Revised
2013.01.31
A2
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 6.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 9.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp
(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
(Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
A2
Page 64
Standard Repair Process Detail Technical Manual
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
A. Video error_Video error, video lag/stop
TUNER input signal strength checking method
Established
date
Revised
2013.01.31
Settings Æ Channel Æ Manual Tuning
Æ select channel
A3
When the signal is strong, use the
attenuator (-10dB, -15dB, -20dB etc.)
A3
Page 65
Standard Repair Process Detail Technical Manual
date
ess
esste
Stteeote
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
Version
A. Video error_Video error, video lag/stop
OLED TV Version checking method
1. Checking method for remote controller for adjustment
Established
date
Revised
2013.01.31
A4
Pr
the IN-START with the remote
controller for adjustment
A4
Page 66
Standard Repair Process Detail Technical Manual
date
2. Aft
MAIN BOARD
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
A. Video error_Video error, video lag/stop
TUNER checking part
Established
date
Revised
2013.01.31
A5
Checking method:
1. Check the signal strength or check whether the screen is normal when the external device is connected.
er measuring each voltage from power supply, finally replace the
.
A5
Page 67
Standard Repair Process Detail Technical Manual
)
A
g()
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
A. Video error _Vertical/Horizontal bar,
residual image, light spot
LCD TV connection diagram (1
Established
date
Revised
2013.01.31
6
As the part connecting to the external input, check
the screen condition by signal
A6
Page 68
Standard Repair Process Detail Technical Manual
()
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
Check Link Cable (EPI) reconnection condition
A. Video error_Color error
Established
date
Revised
2013.01.31
A7
Check the contact condition of the Link Cable, especially dust or mis insertion.
A7
Page 69
Standard Repair Process Detail Technical Manual
date
You can view 6 types of patterns using the ADJ Key
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4.Video error (Classification of MODULE or Main-B/D!)
A8
Page 70
Appendix : Exchange the Module (1)
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Vertical bar
Crosstalk
Brightness difference
Press damage
Line Dim
Crosstalk
Un-repairable Cases
In this case please exchange the module.
Burnt
A – 1/2
Page 71
Appendix : Exchange the Module (2)
g
a
ua
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Angle view Color differenceBrightness dot noiseHalf dead
Brightness difference
Mur
Green Noise on power on/off time
Line Defect
Un-repairable Cases
In this case please exchange the module.
A – 2/2
Page 72
Standard Repair Process Detail Technical Manual
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
B. Power error _No power
Check power input voltage and ST-BY 3.5V
Check the DC 24V, 12V, 3.5V.
Established
date
Revised
2013.01.31
A18
A18
Page 73
Standard Repair Process Detail Technical Manual
g
date
controllerforadjustment
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
B. Power error _Off when on, off whiling viewing
POWER OFF MODE checking method
Established
date
Revised
2013.01.31
A19
Entry method
1. Press the IN-START button of the remote
2. Check the entry into adjustment item 3
A19
Page 74
Standard Repair Process Detail Technical Manual
g
date
4. Select TV Speaker
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
C. Audio error_No audio/Normal video
Checking method in menu when there is no audio
Established
date
Revised
2013.01.31
A20
Checking method
1. Press the Setting button on the remote controller
2. Select the Sound function of the Menu
3. Select the Sound Setting
A20
Page 75
Standard Repair Process Detail Technical Manual
when there is no audio
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
C. Audio error_No audio/Normal video
Voltage and speaker checking method
②
①
Established
Revised
③
date
2013.01.31
A21
③
Checking order when there is no audio
① Check the contact condition of or 24V connector of Main Board
② Measure the 24V input voltage supplied from Power Board
(If there is no input voltage, remove and check the connector)
③ Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the
GND and output terminal, the speaker is normal.
A21
Page 76
Standard Repair Process Detail Technical Manual
Remotecontrolleroperationcheckingmethod
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
D. Function error
Established
date
Revised
2013.01.31
A22
③
①
Checking order
1, 2. Check Touch cable condition between IR & Main board.
3. Check the st-by 3.5V on the terminal
②
A22
Page 77
Standard Repair Process Detail Technical Manual
pg
date
3
Check the 3.5V_WOL on the terminal 2
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
Motion Remote operation checking method
D. Function error
Established
date
Revised
2013.01.31
A23
③
Checking order
1, 2. Check Motion cable condition between Motion assy & Main board.
.
②
①
Wifi + BT Combo
.
A23
Page 78
Standard Repair Process Detail Technical Manual
Wifioperationcheckingmethod
date
3
Check the WIFI Channel
WIFI SPEED
MAC
USB2.0(PASS) (USB1.0
>FAIL)
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
D. Function error
Established
date
Revised
2013.01.31
A24
Checking order
1, 2 Check the 3.5V_WOL on the terminal 2.
.
①
Wifi + BT Combo
,
②
-
>
,
③
-
Page 79
Standard Repair Process Detail Technical Manual
Cameraoperationcheckingmethod
date
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Content
D. Function error
55EC93
Established
date
Revised
2013.01.31
A25
NO Camera
Page 80
Contents of LCD TV Standard Repair Process
A. Video error
3
Picturebroken/Freezing
3
10
15
E. Noise
Circuit noise, mechanical noise
15
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Vertical/Horizontal bar, residual image,
light spot, external device color error
No power6
Off when on, off while viewing, power
auto on/off
No audio/Normal video 8
Remote control & Local switch checking
MR13 operating checking11
5
7
10
12
13Camera operating checking13
14External device recognition error 14
16F. Exterior errorExterior defect16
D. Function error
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Wifi operating checking12
Page 81
Standard Repair Process
Move to No
R
Check P
24Voutput
g
※
Precaution
☞
A4 & A2
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Established
date
Revised date
2013.01.31
LCD TV
Error
symptom
A. Video error
No video/ Normal audio
First of all, Check whether all of cables between board is inserted properly or not.
(Main B/D↔ Power B/D, EPI Cable,Speaker Cable,IR B/D Cable,,,)
☞A18☞A1
No video
Normal audio
Normal
audio
video/No audio
Y
N
Check OLED Light
On with naked eye
☞A18
On
ower Board
Normal
voltage
Repair Power
Board or parts
Y
Check Power
Board
24V, 12V,3.5V etc.
N
Replace Inverter
Y
or module
N
Normal
voltage
N
epair Power
Board or parts
End
Replace T-con
Y
Board or module
And Adjust VCOM
1/16
Always check & record S/W Version and White
Balance value before replacing the Main Board
Replace Main Board
1
Re-enter White Balance value
Page 82
Standard Repair Process
(,,
Noaudio
MAIN B/D
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
symptom
No Video/
Error
☞A18
Check various
voltages of Power
Board( 3.5V,12V,20V
or 24V…)
A. Video error
No video/ No audio
Normal
voltage?
Replace Power
Board and repair
parts
Y
N
Check and
replace
Established
date
Revised date
End
2013.01.31
2/16
2
Page 83
Standard Repair Process
y
ygg
A4
Replace
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
☞ A3
Check RF Signal level
Normal
Signal?
N
Check RF Cable
Connection
1. Reconnection
2. Install Booster
Normal
Picture?
Y
Close
Y
N
Error
symptom
A. Video error
Picture broken/ Freezing
. By using Digital signal level meter
. B
using Diagnostics menu on OSD
( Setting→ Set up→ Manual Tuning → Check the Signal )
- Signal strength (Normal : over 50%)
- Signal Quality (Normal: over 50%)
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→ DVD Player ,Set-Top-Box, Different maker TV etc`
☞
Normal
Picture?
Contact with signal distributor
or broadcaster (Cable or Air)
Y
N
Check
S/W Version
SVC
Bulletin?
Y
S/W Upgrade
Normal
Picture?
Y
Established
date
Revised date
N
N
2013.01.31
Check
Tuner soldering
N
Main B/D
3/16
Y
Close
Close
3
Page 84
Standard Repair Process
☞
A7
N
HDMI
N
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
☞A6
Check color by input
-External Input
-COMPONENT
-AV
-
☞A8
Check Test pattern
Error
symptom
Color
error?
Check error
color input
mode
A. Video error
※ Check
and replace
Y
Link Cable
(EPI) and
contact
condition
External Input/
Component
error
Color error
Color
error?
N
Check
external
device and
cable
Y
Replace Main B/D
Established
date
Revised date
External device
/Cable
normal
N
Color
error?
End
Y
2013.01.31
4/16
Y
Replace module
Replace Main B/D
HDMI
error
Check external
device and
cable
4
Request repair
for external
device/cable
N
External device
/Cable
normal
Y
Replace Main B/D
Page 85
Standard Repair Process
lightspot,externaldevicecolorerror
A6
N
Y
Check S/W Version
N
Check
pg
(Check normal operation of
p
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
A. Video error
LCD TV
Error
symptom
Vertical / Horizontal bar, residual image,
Vertical/Horizontal bar, residual image, light spot
☞
Check color condition by input
-External Input
-Component
-HDMI
☞A8
Check Test pattern
Screen
normal?
Replace
module
Check external
Y
device
connection
condition
Normal?
N
Request repair
for external
device
External device screen error-Color error
Check screen
condition by input
-External Input
version
Y
S/W Upgrade
-Component
-HDMI/DVI
☞ A7
Check and
Y
replace Link
Cable
External
Input
error
Component
error
Established
date
2013.01.31
Revised date
Screen
normal?
N
Replace Main B/D
(adjust VCOM)
For LGD panel
End
Replace Main B/D
For other panel
Connect other external
device and cable
(Check normal operation of
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
Screen
N
normal?
Y
Request repair for
external device
5/16
Replace
Module
N
Screen
normal?
Y
End
Replace
Main B/D
Normal
screen?
End
N
Y
HDMI/
DVI
Connect other external
device and cable
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
Y
Screen
normal?
N
Replace
Main B/D
5
Page 86
Standard Repair Process
On?
ypgy
operation?
On ‘”High”
Logo LED
Power
☞
A18
Y
Replace Power B/D
B/D
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
☞A17
Check
. Stand-By: Red or Turn Off
. Operating: Turn Off
Power LED
Check Power cord
was inserted properly
Error
symptom
N
Normal?
Close
Y
N
※
Check ST-BY 3.5V
☞A18
B. Power error
No power
DC Power on
by pressing Power Key
On Remote control
Normal
voltage?
Established
date
Revised date
2013.01.31
6/16
☞A18
Normal
Measure voltage of each output of Power B/D
Y
Y
Normal
voltage?
N
Check Power
Y
Y
N
Replace Main B/D
OK?
Replace Main B/D
Y
Replace
B/D
N
Replace Power
6
Page 87
Standard Repair Process
E
?
Check Power Off
Check A/C
d
CPU
Y
POWEROFF_SWDOWN
Power off by S/W Download
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Check outlet
cor
Check for all 3- phase
power out
Error
symptom
rror
Y
Fix A/C cord & Outlet
and check each 3
phase out
B. Power error
Off when on, off while viewing, power auto on/off
☞A19
N
Mode
☞A18
(If Power Off mode
is not displayed)
Check Power B/D
voltage
※ Caution
Check and fix exterior
of Power B/D Part
Abnormal
Abnormal
Established
date
Revised date
1
Normal
voltage?
Replace Power B/D
Y
N
2013.01.31
Replace Main B/D
Replace Main B/D
7/16
Normal?
N
Replace Power B/D
End
* Please refer to the all cases which
can be displayed on power off mode.
StatusPower off ListExplanation
"POWEROFF_REMOTEKEY"Power off by REMOTE CONTROL
"POWEROFF_OFFTIMER"Power off by OFF TIMER
"POWEROFF_SLEEPTIMER"Power off by SLEEP TIMER
"POWEROFF_INSTOP"Power off by INSTOP KEY
"POWEROFF_AUTOOFF"Power off by AUTO OFF
Normal
Abnormal
"POWEROFF_ONTIMER"Power off by ON TIMER
"POWEROFF_20V_DET"Power off by AC OFF
"POWEROFF_RESREC"Power off by Reservated Record
"POWEROFF_RECEND"Power off by End of Recording
"
"POWEROFF_UNKNOWN"Power off by unknown status except listed case
"POWEROFF_ABNORMAL1"Power off by abnormal status except CPU trouble
"POWEROFF_CPUABNORMAL"Power off by CPU Abnormal
"
7
Page 88
Standard Repair Process
Replace Speaker
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
No audio
Screen normal
Error
C. Audio error
symptom
No audio/ Normal video
☞A20☞A21+A18
Check user
menu >
Speaker off
Off
Y
Cancel OFF Replace Power Board and repair parts
Check audio B+ 24
N
of Power Board
Established
date
Revised date
Normal
voltage
Y
N
2013.01.31
8/16
Check
Speaker
disconnection
N
Replace MAIN Board
Y
EndDisconnection
8
Page 89
Standard Repair Process
Discontinuation/
Check audio
voltage?
signal
Replace Main B/D
N
oseoy
Noiseonly
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Check input
signal
-RF
-External Input
Error
symptom
C. Audio error
Wrecked audio/ discontinuation/noise
Established
date
Revised date
2013.01.31
→ abnormal audio/discontinuation/noise is same after “Check input signal” compared to No audio
☞A21+A18
B+ Voltage (24V)
Y
Normal
N
Replace Power B/D
Replace Main B/D
N
audio?
Y
Signal
normal?
Y
(When RF signal is not
received)
Request repair to external
cable/ANT provider
(In case of
External Input
signal error)
Check and fix
external device
Wrecked audio/
Noise for
all audio
Wrecked audio/
Discontinuation/
Noise only
for D-TV
Wrecked audio/
Discontinuation/
Noise only
for Analog
Wrecked audio/
Discontinuation/
for External Input
Check and replace
speaker and
connector
Connect and check
other external
device
Normal
9/16
End
Check and fix external device
9
Page 90
Standard Repair Process
YNCheck R/C itself
Normal
Normal
V
Normal
Check IR
Normal
IR B/D
cause is interference
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
D. Function error
Remote control & Local switch checking
LCD TV
Error
symptom
1. Remote control(R/C) operating error
☞A22
Operation
Check R/C OperatingCheck & Replace
When turn off light
in room
If R/C operate,
Explain the customer
from light in room.
operating?
Baterry of R/C
Normal
operating?
Replace R/C
Check & Repair
Cable connection
Connector solder
Y
Close
N
operating?
Y
Close
☞A22
N
On Main B/D
Established
date
Revised date
Check B+
3.5
Voltage?
N
☞A18
Check 3.5v on Power B/D
Replace Power B/D or
Replace Main B/D
(Power B/D don’t have problem)
☞A22
Y
Output signal
2013.01.31
10/16
Replace
Main B/D
Y
Signal?
N
Repair/Replace
10
Page 91
Standard Repair Process
YNCheck MR13/P
Normal
I
P
N
Turn off/on the
Checkthe
RF Receiver ver
p
operating?
A4
MR13
Remocon Test
Æ
3. Firmware
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
D. Function error
MR13/P operating checking
LCD TV
Error
symptom
2. MR13/P (Magic Remocon) operating error
☞A4
INSTART menu
is “00.00”?
☞A23
Check & Repair
Y
RF assy
connection
☞
RF Receiver ver
is “00.00”?
Y
N
itself Operation
N
Close
operating?
Check & Replace
Battery of MR13/P
Normal
N
Replace
Established
date
Revised date
ress the
wheel
Y
Close
s show ok
message?
Y
Close
Is show ok
message?
Y
Close
2013.01.31
set and press
the wheel
N
11/16
Press the back
key about 5sec
Down load the Firmware
* INSTART MENUÆ02.11
download
•If you conduct the loop at 3times, change the
MR13/P.
11
Page 92
Standard Repair Process
A24
Y
☞
A24
y
y
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
3.Wifi operating error
Check the
INSTART menu
☞A4
Wi-Fi Mac value
is “NG”?
Check & Repair
Wifi cable
connection
☞A4
Wi-Fi Mac value
is “NG”?
D. Function error
Wifi operating checking
☞
N
Check the Wifi wafer
N
Close
1pin
Established
Revised date
Normal
Voltage?
Y
Close
date
2013.01.31
12/16
N
Replace
Main B/D
Y
Change the Wifi
ass
12
Page 93
Standard Repair Process
A25
Y
☞
A25
y
y
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
4.Camera operating error
☞A4
Check the
INSTART menu
Check & Repair
☞A4
D. Function error
Camera Ver.
is “NG”?
Camera cable
connection
Camera Ver.
is “NG”?
Camera operating checking
☞
N
Check the Camera wafer
P4200 2pin
N
Close
Established
Revised date
Normal
Voltage?
Y
Close
date
N
2013.01.31
13/16
Replace
Camera B/D
Y
Change the
Camera ass
13
Page 94
Standard Repair Process
Check technical
Y
HDMI/
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Check
input
signal
Error
symptom
Signal
input?
N
Check and fix
external device/cable
D. Function error
External device recognition error
information
- Fix information
- S/W Version
Technical
information?
Fix in
accordance
with technical
information
Established
date
Revised date
External Input and
N
Y
Component
Recognition error
DVI, Optical
Recognition error
2013.01.31
14/16
Replace Main B/D
Replace Main B/D
14
Page 95
Standard Repair Process
※
When the nose is severe, replace the module
agree, apply the process by stage
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Identify
nose
type
Error
symptom
Circuit
noise
Mechanical
noise
Circuit noise, mechanical noise
Check
location of
noise
Check location of
noise
E. Noise
※ Mechanical noise is a natural
phenomenon, and apply the 1st level
description. When the customer does not
.
※ Describe the basis of the description
in “Part related to nose” in the Owner’s
Manual.
Replace PSU
OR
OR
Established
date
2013.01.31
Revised date
(For models with fix information, upgrade the
S/W or provide the description)
※ If there is a “Tak Tak” noise from the
cabinet, refer to the KMS fix information and
then proceed as shown in the solution manual
(For models without any fix information,
provide the description)
15/16
15
Page 96
Standard Repair Process
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LCD TV
Error
symptom
Zoom part with
exterior damage
Module
damage
Cabinet
damage
Remote
controller
damage
F. Exterior defect
Exterior defect
Replace module
Replace cabinet
Replace remote controller
Established
date
Revised date
2013.01.31
16/16
Stand
dent
Replace stand
16
Page 97
Contents of OLED TV Standard Repair Process Detail Technical Manual
lag/stop
10
Exchange Main Board (1)
A-1/5
13
Exch
(1)
A-4/5
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
No.Error symptomContentPageRemarks
1
A. Video error_ No video/Normal
audio
2Check White Balance valueA2
4
A. Video error_ video error /Video
5LCD-TV Version checking methodA4
6Tuner Checking PartA5
A. Video error _Vertical/Horizontal bar,
7
residual image, light spot
8
A. Video error_ Color error
9Adjustment Test pattern - ADJ KeyA8
11Exchange Main Board (2)A-2/5
<Appendix>
12Exchange Power Board (PSU) A-3/5
Defected Type caused by T-Con/
Inverter/ Module
Check vby1 lock LED and Module supply
voltage
TUNER input signal strength checking
method
LCD TV connection diagram A6
Check Link Cable (EPI) reconnection
condition
ange Module
A1
A3
A7
14Exchange Module (2)A-5/5
Continue to the next page
Page 98
Contents of LCD TV Standard Repair Process Detail Technical Manual
Continued from previous page
B. Power error_ No power
Checking method in menu when there is
Remote controller operation checking
23
Wifi
operation checking method
A24
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
No.Error symptomContentPageRemarks
16
17Check power input Voltage & ST-BY 3.5VA18
18
19
20
21
22
24Camera operation checking methodA25
25E. EtcTool option changing methodA26
B. Power error_Off when on, off
while viewing
C. Audio error_ No audio/Normal
video
D. Function error
Check front display LEDA17
POWER OFF MODE checking methodA19
no audio
Voltage and speaker checking method
when there is no audio
method
Motion Remote operation checking
method
A20
A21
A22
A23
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