DOWNLOAD LG 32LV3000 (CHASSIS:LB01V) Service Manual ↓ Size: 7.57 MB | Pages: 77 in PDF or view online for FREE

Model
32LV3000 (CHASSIS:LB01V)
Pages
77
Size
7.57 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lv3000-chassis-lb01v.pdf
Date
PREV: LG 32LV2600 (CHASSIS:LP91U) Service Manual

LG 32LV3000 (CHASSIS:LB01V) Service Manual ▷ View online

Standard Repair Process Detail Technical Manual
Checking method when power is ON
B. Power error _No power
A19
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
Check “power on” pin is high
Pin layout (24P)
1
Power on
2
24V
20V (Edge 32/37 Only)
3
20/24V
4
20/24V
5
GND
6
GND
7
GND
8
GND
9
3.5V
10
3.5V
11
3.5V
12
3.5V
13
GND
14
GND
15
GND
16
PSU : GND, LPB : NC
17
12V
18
Inverter ON
19
12V
20
LED : NC
21
12V
22
PWM Dim #1
23
NC
(Lamp Scanning Model 
: PWM Dim #2)
24
Error-out
2011. 1. 20
There are several wafers on power board.
Don’t get confused about 24P power out wafer.
You can refer to not only left pictures and ‘P201’ silk print near by wafer.
A18
A19
Edge LED : LPB (PSU+LED Driver)
LAMP
Edge LED : PSU
Edge LED
32/37 PSU
Entry method
1. Press the IN-START button of the remote 
controller for adjustment
2. Check the entry into adjustment item 3
Standard Repair Process Detail Technical Manual
POWER OFF MODE checking method
B. Power error 
_Off when on, off whiling viewing
<ALL MODELS>
A22
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A22
Checking method
1. Press the MENU button on the remote controller
2. Select the AUDIO function of the Menu
3. Select TV Speaker from Off to On
Standard Repair Process Detail Technical Manual
Checking method in menu when there is no audio
C. Audio error_No audio/Normal video
<ALL MODELS>
A24
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A24
Checking order when there is no audio
1. Measure the 24V input voltage supplied from Power Board
(If there is no input voltage, replace power board  or connector )
2. Connect the tester RX1 to the speaker terminal and if you hear the Buzzer sound 
when you touch the GND and output terminal, the speaker is normal. 
3. Check signal input to the Audio amp IC. Such as below
- MCLK ( master clock) : 12.288 MHz
- RESET : normal status is  high
- VDD (Power)
- LRCLK : 48KHz
- SCLK   : 3.072MHz
Standard Repair Process Detail Technical Manual
Voltage and speaker checking method 
when there is no audio
C. Audio error_No audio/Normal video
<ALL MODELS>
A25
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A25
①
2011. 01 .18
Audio 
Amp 
IC
②
Page of 77
Display

Click on the first or last page to see other 32LV3000 (CHASSIS:LB01V) service manuals if exist.

RANDOM: