LG 42LN5700 Service Manual

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.
WOL/WIFI_POWER_ON
POWER_ON/OFF1
R3005 10K
MICOM_LCD/OLED
R3004 10K
MICOM_GP3_12/15PIN
I2C_SDA_MICOM
MODEL1_OPT_5
RUE003N02
Q3001
HDMI_CEC_FET_ROHM
S D
G
+3.5V_ST
R3030
10K
R3014 10K
MICOM_DEBUG
+3.5V_ST
WOL_CTL
C3003 8pF
P3000
12507WS-04L
MICOM_DEBUG
1
2
3
4
5
SCART_MUTE
CAM_CTL
KEY1
MODEL1_OPT_5
CEC_REMOTE
R3012 10K
MICOM_NON_LOGO_LIGHT
POWER_ON/OFF2_4
C3001 0.47uF
SOC_TX
MODEL1_OPT_3
R3013 10K
MICOM_LOGO_LIGHT
R3008 10K
MICOM_TACT_KEY
EDID_WP
CAM_PWR_ON_CMD
LOGO_LIGHT
MODEL1_OPT_1
RL_ON
MODEL1_OPT_2
R3007-*2 22K
MICOM_OLED_FRC
SOC_RX
POWER_DET
R3007-*1 56K
MICOM_OLED_MAIN
R3001 10K
MICOM_M13
MHL_DET
MICOM_RESET
CAM_CTL
MODEL1_OPT_4
R3031
270K
OPT
R3010 10K
MICOM_TOUCH_KEY
R3021
10K
EDID_WP
LED_R
MODEL1_OPT_2
C3004
0.1uF
16V
R3028
4.7M
OPT
POWER_ON/OFF2_4
LED_R
R3007 10K
MICOM_PDP
POWER_ON/OFF2_1
LOGO_LIGHT
MICOM_DEBUG
I2C_SCL_MICOM
R3032
10K
R3033
27K
HDMI_CEC
MODEL1_OPT_1
X3000
32.768KHz
C3002
8pF
+3.5V_ST
PANEL_CTL
MODEL1_OPT_3
MHL_DET
C3000
0.1uF
POWER_ON/OFF2_2
AMP_MUTE
R3034
120K
KEY2
CAM_PWR_ON_CMD
IR
SCART_MUTE
D3000
BAT54_SUZHO
POWER_ON/OFF2_3
SI1012CR-T1-GE3
Q3001-*1
HDMI_CEC_FET_VISHAY
S D
G
SW3000
JTP-1127WEM
MICOM_RESET_SW
12
4 3
R3002 10K
MICOM_GED
MODEL1_OPT_0
MICOM_DEBUG
MODEL1_OPT_4
R3029 22
MICOM_RESET_22OHM
INV_CTL
+3.5V_ST
SOC_RESET
MODEL1_OPT_0
MICOM_RESET
R3016 1K
+3.5V_ST
GND
SIDE_HP_MUTE
R3003 10K
MICOM_H13
HDMI_CEC
R3000 10K
MICOM_NON_GED
R3006 10K
MICOM_NC4_8PIN
R3029-*1 33
MICOM_RESET_33OHM
ST_BY_DET_CAM
ST_BY_DET_CAM
+3.5V_ST
WOL/ETH_POWER_ON
IC3000
R5F100GEAFB
MICOM_LEAD_Au
1
P60/SCLA0
2
P61/SDAA0
3
P62
4
P63
5
P31/TI03/TO03/INTP4
6
P75/KR5/INTP9/SCK01/SCL01
7
P74/KR4/INTP8/SI01/SDA01
8
P73/KR3/SO01
9
P72/KR2/SO21
10
P71/KR1/SI21/SDA21
11
P70/KR0/SCK21/SCL21
12
P30/INTP3/RTC1HZ/SCK11/SCL11
13
P50/INTP1/SI11/SDA11
14
P51/INTP2/SO11
15
P17/TI02/TO02
16
P16/TI01/TO01/INTP5
17
P15/PCLBUZ1/SCK20/SCL20
18
P14/RXD2/SI20/SDA20
19
P13/TXD2/SO20
20
P12/SO00/TXD0/TOOLTXD
21
P11/SI00/RXD0/TOOLRXD/SDA00
22
P10/SCK00/SCL00
23
P146
24
P147/ANI18
25
P27/ANI7
26
P26/ANI6
27
P25/ANI5
28
P24/ANI4
29
P23/ANI3
30
P22/ANI2
31
P21/ANI1/AVREFM
32
P20/ANI0/AVREFP
33
P130
34
P01/TO00/RXD1
35
P00/TI00/TXD1
36
P140/PCLBUZ0/INTP6
37
P120/ANI19
38
P41/TI07/TO07
39
P40/TOOL0
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
P137/INTP0
44
P122/X2/EXCLK
45
P121/X1
46
REGC
47
VSS
48
VDD
IC3000-*1
R5F100GEAFB#30
MICOM_LEAD_Cu
1
P60/SCLA0
2
P61/SDAA0
3
P62
4
P63
5
P31/TI03/TO03/INTP4
6
P75/KR5/INTP9/SCK01/SCL01
7
P74/KR4/INTP8/SI01/SDA01
8
P73/KR3/SO01
9
P72/KR2/SO21
10
P71/KR1/SI21/SDA21
11
P70/KR0/SCK21/SCL21
12
P30/INTP3/RTC1HZ/SCK11/SCL11
13
P50/INTP1/SI11/SDA11
14
P51/INTP2/SO11
15
P17/TI02/TO02
16
P16/TI01/TO01/INTP5
17
P15/PCLBUZ1/SCK20/SCL20
18
P14/RXD2/SI20/SDA20
19
P13/TXD2/SO20
20
P12/SO00/TXD0/TOOLTXD
21
P11/SI00/RXD0/TOOLRXD/SDA00
22
P10/SCK00/SCL00
23
P146
24
P147/ANI18
25
P27/ANI7
26
P26/ANI6
27
P25/ANI5
28
P24/ANI4
29
P23/ANI3
30
P22/ANI2
31
P21/ANI1/AVREFM
32
P20/ANI0/AVREFP
33
P130
34
P01/TO00/RXD1
35
P00/TI00/TXD1
36
P140/PCLBUZ0/INTP6
37
P120/ANI19
38
P41/TI07/TO07
39
P40/TOOL0
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
P137/INTP0
44
P122/X2/EXCLK
45
P121/X1
46
REGC
47
VSS
48
VDD
EYE_SCL
EYE_SDA
R3035 3.3K
EYE_Q_10P
R3036 3.3K
EYE_Q_10P
+3.5V_ST
MICOM
30
2012.02.22
For CEC
HDMI_WAUP:HDMI_INIT
NON_GED
For Debug
Commercial
POWER_ON/OFF2_4
LCD
MICOM MODEL OPTION
/ OLED
Ready for sample set
PDP
0
H13
TACT_KEY
IR_wafer(12/15)
GP4 High/MID Power SEQUENCE
Ready for sample set
1
POWER_ON/OFF2_3
MODEL_OPT_3
M13MODEL_OPT_4
Renesas MICOM
POWER_ON/OFF!
MODEL_OPT_2
MODEL_OPT_0
For LOGO LIGHT
Need to Assign ADC port
MODEL_OPT_5
LOGO
SOC_RESET
POWER_ON/OFF2_2
GED
IR_wafer(10pin)
MODEL_OPT_1
Don’t remove R3014,
not making float P40
MICOM MODEL OPTION
Ready For
NON LOGO
POWER_ON/OFF2_1
 
TOUCH_KEY
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

LG 42LN5700 Specifications

General

Display diagonal	42 \
Native aspect ratio	16:9
Native refresh rate	60 Hz
LED backlighting type	-
Supported video modes	1080i, 1080p, 720p
Screen format adjustments	4:3
Supported graphics resolutions	1920 x 1080 (HD 1080)
Motion interpolation technology	TruMotion 120 Hz
3D	No
Photo effects	Cinema, Vivid
Playback modes	Zoom
Volume control	Digital
Audio decoders	Dolby Digital, Dolby Digital DTS
RMS rated power	20 W
Number of speakers	2
HDMI ports quantity	3
DVI-D ports quantity	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component video (YPbPr/YCbCr) in	1
Consumer Electronics Control (CEC)	SimpLink
Smart modes	Cinema, Game
Lifestyle apps	Skype
Audio formats supported	AAC, AC3, MP3, PCM
Video formats supported	DIVX, DIVX HD, MPEG
Control type	Buttons
Product color	Black
Panel mounting interface	200 x 200 mm
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	41.4 W
Sustainability certificates	ENERGY STAR
Package depth	175 mm
Package width	1150 mm
Package height	659.8 mm
Package weight	14197 g

Weight and Dimensions

Depth (with stand)	234.9 mm
Height (with stand)	627.8 mm
Weight (with stand)	10704 g
Depth (without stand)	78.9 mm
Width (without stand)	967.9 mm
Height (without stand)	565.9 mm
Weight (without stand)	9616 g