DOWNLOAD LG 42CS570 (CHASSIS:LA01U) Service Manual ↓ Size: 6.18 MB | Pages: 71 in PDF or view online for FREE

Model
42CS570 (CHASSIS:LA01U)
Pages
71
Size
6.18 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42cs570-chassis-la01u.pdf
Date

LG 42CS570 (CHASSIS:LA01U) 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.
L/DIM_SCLK
C2103
18pF
50V
OPT
R2100
2.2K
LED_DRIVER_D/L
C2102
18pF
50V
OPT
C2100
18pF
50V
OPT
V_SYNC
L/DIM_MOSI
C2104
18pF
50V
OPT
C2101
18pF
50V
OPT
R2101
2.2K
LED_DRIVER_D/L
LED_DRIVER_D/L_SDA
P2100
12507WR-08L
L/DIM_LED/DRIVER
1
2
3
4
5
6
7
8
9
+3.3V_Normal
LED_DRIVER_D/L_SCL
+3.3V_Normal
R2103
10K
FRC_L/DIM_REVERSE_SEL
R2102
10K
OPT
R4029
22
LED_DRIVER_D/L
R4028
22
LED_DRIVER_D/L
L/DIM_LED
20101023
21
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.
3D_SYNC_RF
P3401
12507WR-12L
3D_SG
1
3.3V
2
GND
3
RX
4
TX
5
RESET
6
DC
7
DD
8
GND
9
GPIO_0
10
GPIO_1
11
GPIO_2
12
3D_SYNC
13
.
R3406
22
3D_SG
M_REMOTE_RX
R3405
22
3D_SG
R3402
100
3D_SG
R3408
100
3D_SG
L3401
120-ohm
3D_SG
R3411
2.7K
3D_SG
+3.3V_Normal
R3410
2.7K
3D_SG
R3412
2.7K
3D_SG
DD_MREMOTE
M_RFModule_RESET
R3403
22
3D_SG
+3.3V_Normal
M_REMOTE_TX
R3401
100
3D_SG
3D_GPIO_2
3D_GPIO_1
R3404
22
3D_SG
R3409
100
3D_SG
DC_MREMOTE
R3407
100
3D_SG
1
1
1
0
0
1
RESERVED
GPOIO_0
0
ALL 3D-SG OPTION
1
RESERVED
1
GPOIO_2
3D Off
50Hz
FREQ.
0
1
59.94Hz
1
0
1
1
0
GPOIO_1
0
0
0
0
0
60Hz
TI solution RF-3D OPTION
1
RESERVED
3D_GPIO_0
0
1
RESERVED
Trouble shooting guide
1. Power-up boot check
Check stand-by Voltage.
P403 9~12pin : +3.5V_ST
Check Power connector
Main B/D 3.5V Line
Short Check
Check X1002 clock
32 KHz
Replace X1002
Check P403 PWR_ON.
1pin : 3.3V
Replace Micom(IC1002) or Main board
Check Multi Voltage
P403 2pin:
20V
or 24V ,17pin:12V
Replace Power Board
Check Inverter Control & Error Out 
P403 18 pin : High
P403 24 pin : low
Check Power Board or Module
Check IC402/3/5/
6
/7/
10 
Out Voltage
IC402 : 2.5V
IC403 : 1.26V
IC405 : 3.3V
IC406 : 6V
IC407 : 1.5V
IC410 : 5V
Replace 
IC402/3/5/6/7/10
Re-download Micom software.
Check Micom Voltage
IC1002 pin 48 : +3.5V
Replace L404
Check LVDS Power Voltage
Q409 : 12V
Replace Q409
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board
Change Module
ok
ok
ok
ok
ok
ok
ok
ok
ok
ok
No
No
No
No
No
No
No
No
No
No
Replace X201
ok
No
Replace Power board.
ok
Check X201 Clock
24 MHz
※ When the PCB is EAX63529602
IC406 : 5V
IC410 : N/A
Page of 71
Display

Click on the first or last page to see other 42CS570 (CHASSIS:LA01U) service manuals if exist.