DOWNLOAD LG 47LM6700 (CHASSIS:LT22E) Service Manual ↓ Size: 11.33 MB | Pages: 127 in PDF or view online for FREE

Model
47LM6700 (CHASSIS:LT22E)
Pages
127
Size
11.33 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lm6700-chassis-lt22e.pdf
Date

LG 47LM6700 (CHASSIS:LT22E) Service Manual ▷ View online

74 / 79
24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
Power on
2
24V
3
24V
4
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
GND
17
12V
18
Inverter On/off
19
12V
20
Lamp : A-Dim
LED : N.C
21
12V
22
PWM Dim #1
23
GND/P_DIM2
• Lamp SCANNING Model
: PWM Dim #2
24
Error-out
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
2010. 12 .14
Edge LED
Edge LED
Standard Repair Process Detail Technical Manual
75 / 79
Entry method
1. Press the IN-START button of the remote controller 
for adjustment
2. Check the entry into adjustment item 3
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
2010. 12 .14
Standard Repair Process Detail Technical Manual
76 / 79
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
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
2010. 12 .14
Standard Repair Process Detail Technical Manual
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
77 / 79
24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
Power on
2
20V (24V)
3
20V (24V)
4
20V (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
GND
17
12V
18
Inverter On/off
19
12V
20
Lamp : A-Dim
LED : N.C
21
12V
22
PWM Dim #1
23
GND/P_DIM2
24
Error-out
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. 
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
2010. 12 .14
Standard Repair Process Detail Technical Manual
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Page of 127
Display

LG 47LM6700 (CHASSIS:LT22E) Service Manual ▷ Download