DOWNLOAD LG 32LD660 / 32LD665H (CHASSIS:LA05C) Service Manual ↓ Size: 3.74 MB | Pages: 41 in PDF or view online for FREE

Model
32LD660 32LD665H (CHASSIS:LA05C)
Pages
41
Size
3.74 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32ld660-32ld665h-chassis-la05c.pdf
Date

LG 32LD660 / 32LD665H (CHASSIS:LA05C) Service Manual ▷ View online

- 17 -
7. Audio 
Measurement condition: 
1. RF input : Mono, 1KHz sine wave signal, 100%
Modulation 
2. CVBS, Component : 1KHz sine wave signal 0.4Vrms 
3. RGB PC : 1KHz sine wave signal 0.7Vrms 
8. Etc 
9. USB S/W Download (option)
(1) Put the USB Stick to the USB socket 
(2) Automatically detecting update file in USB Stick
- If your downloaded program version in USB Stick is Low,
it didn’t work.
But your downloaded version is High, USB data is
automatically detecting
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5) Updating Completed, The TV will restart automatically
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have,
TV can lost all channel data. In this case, you have to
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
* After downloading, have to adjust TOOL OPTION again.
1) Push "IN-START" key in service remote controller.
2) Select "Tool Option 1" and Push “OK” button.
3) Punch in the number. (Each model has their number.)
No Item  Min 
Typ 
Max 
Unit 
1. Audio practical max
9.0 10.0 
12.0  W  EQ 
Off 
Output, L/R 
AVL Off 
(Distortion=10%  
8.5 
8.9 
9.8 
Vrms
Clear 
max Output) 
Voice Off
2. Speaker (8
TDB TDB  W  EQ 
On 
Impedance) AVL 
On
Clear 
Voice On 
Power Status 
Main B/D Shipping Condition 
AC Swithch condtion
Chassis Module Assembly ON N/A 
Front Module Assembly
N/A OFF 
Factory incoming 
ON 
OFF 
Final Assembly 
ON 
ON 
Ship-Out OFF 
ON 
- 18 -
10. Checking the EYE-Q operation. 
Step 1) Press the EYE Key on the Adjustment remote
controller. 
Step 2) Screen the Eye Q sensor in front of the TV by hands,
and keep up about 6 seconds. 
Step 3) Checking “ Lux” value is changed less than “ 100” , or
not. If the values are not changed, exchange the
sensor unit by soldering. 
Step 4) Pull out the hands, keep up about 6 seconds. 
Step 5) Checking “ Lux” value increase from “ 50” , or not. 
If the values are not changed, exchange the sensor unit by
soldering.  
11. Test factor for commercial model 
11.1 MPI Communication check
11.1.1 The method of cable connecting  from JIG to TV
1) Operate JIG(Commercial Check JIG) as shown on
picture 1.
2) In the right side of check jig, 11 pin SPI/MPI signal cable
is connected to MPI dummy board.
11.1.2 Test sequence
1) Press EYE using adjust remote-control.
2) Then, tuning the channel 96-1.(Lodgenet digital1.)
automatically.
3) Check  “OK” message on TV screen as shown on
picture2. 
4) If you find any problem. press <EYE> button and retest.
< step 1> 
< step 4> 
< step 5> 
< step 2> 
< step 3> 
- 19 -
2) Test sequence 
a) Press EYE using adjust remote-control. 
b) Then, tuning the channel 96- 1.(Lodgenet digital1.)
automatically. 
c) Check it whether the video is clear and 1~5 factor
“OK” like below picture. 
(IR IN / IR OUT / SPI TEST / MPI TEST / 12V IN) 
If you find any problem, press <Eye> button and retest. 
11.1.2 Needs JIG & Equip. & Cable  
1) adjust remote-control 
2) commercial check jig & adapter 
3) 11 pin cable 
4) Phone jack Cable 
11.2 Auto camport test  
After D-box on, AC power Off and On. 
When available AV signal comes to side AV jack, input
mode changing to AV2 automatically. 
11.3 b_LAN  Main board Check  
11.3.1 Overview   
It is LNET RF modem  & FTG card 
11.3.2 Equipment    
1) b_LAN Checker:  UTC-1000 (with Cable accessory) 
2) Computer(for test result monitoring) 
3) Connection JIG 
4) Check 
=========================================
1. Setting Procedure
1) Setting JIG
(1) Connect UTC-1000 Equipment to JIG device as a like
left picture 
- Connection Line:  
UTC-1000 TOP1 <--> Game port(RJ21) 
-> TV-LINK CFG (Phone Jack)
UTC-1000 TOP2 <--> JIG 11pin Connection 
UTC-1000 RF1  <--> b_LAN RF IN 
UTC-1000 LAN  <--> PC LAN Port 
2. Working procedure
1) Connection
UTC-1000 LAN <--> PC LAN Port 
UTC-1000 TOP1 <--> Game port(RJ21) 
-> TV-LINK CFG (Phone Jack) 
UTC-1000 RF1 <--> b_LAN RF IN 
2) Power on JIG
3) Test Start
UTC-1000 TOP2 <--> JIG 11pin Connection 
4) Checking b-LAN MAC Address
Check whether it is same their address numbers or not
between B-LAN Label and on the pc address
numbers. 
TOP1 
TOP2 
RF1 
Pow er 
TOP
AC
110V
UTC-1000 
LAN PORT
Computer LA N 
PORT 
b_LAN RF IN 
RJ12 
 
Phone Jack (2)
- 20 -
* Checking JIG contents
1. Check whether displaying all “Pass” or not  at the number 3.4.6.7.9 contents of UTC-1000 on the PC 
2. Check  “Version 6.0” of the 1. b_LAN Application version  
3. Check whether it is same their address numbers or  not between B-LAN Label and  2. MAC Address on the pc. 
12. Default Value in Adjustment mode  
(Default values maybe modified during E/S & L/P Event for adjustment time reduction. But, it will be fixed before Mass Production)
13. Serial number download.  
Connect Bar Code scan equipment and TV set by RS-232C cable. 
1)  E2PROM Data Write  
2) E2PROM Data Read 
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