Service Manuals, User Guides, Schematic Diagrams or docs for : LG TV CE-29Q12IP
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download CE-29Q12IP documenatation <<
Text preview - extract from the document
ADJUSTMENT INSTRUCTIONS
V Safety Precautions O SECAM-L' Adjustment
1. It is safe to adjust after using insulating transformer between
the power supply line and chassis input to prevent the risk of NOTE : This adjustment should be performed after PIF
electric shock and protect the instrument. adjustment.
2. Never disconnect leads while the TV receiver is on.
3. Don't short any portion of circuits while power is on. Test Point : TP1
4. The adjustment must be done by the correct appliances.
5. Unless otherwise noted, set the line voltage to 230Vac!10%, Adjust : VR102
50Hz.
1) Turn on S1 and S3 and off S2.
V Test Equipment required 2) Adjust VR102 so that the DC voltage may be indicated
1. RF signal generator (with pattern generator)
2.5!0.1Vdc.
2. DC Power Supply
3. Multimeter (volt meter)
4. Oscilloscope
5. Color analyzer
O RF AGC (Automatic Gain Control) Adjustment
Main Board(Component side view) Test Point : J209 or Observing Display
Adjust : VR101
V Multimeter or Oscilloscope
1
The RF AGC control (VR101) was aligned at the time of
IC101
Power- JP7 IC05 manufacture for optimum performance over a wide range
TDA4474
Supply conditions. Readjustment of VR101 should not be necessary
5V JP4 IC102 TP1 24 Signal-
0.01pF Generator unless unusual local conditions exist, such as ;
5V 7 JP1 38.9MHz (B/G,D/K,I,L)
L107 34.25MHz (SECAM-L')
11 JP2 1) Channel interference in a CATV system.
4.7k
S3 16 2) Picture bending and/or color beats, which are unusually due
JP5 VR102 to excessive RF signal input when the receiver is too close
Q106
to a transmitting tower or when the receiver is connected to
S2 VR102
100 15 an antenna distribution system where the RF signal has
JP3 been amplified. In this case, the input signal should be
100
attenuated (with pad or filter) to a satisfactory level.
S1 3) Picture noise caused by "broadcast noise" or weak signal.
If the broadcast is "clean" and the RF signal is at least 1mV
(60dBu), the picture will be noise free in any area.
Fig. 1 : Connection Diagram of Equipment for PIF Adjustment
Adjusting the VR101(RF AGC) control to one end of rotation
will usually cause a relatively poor signal to noise ratio;
Adjusting to the other end of rotation will usually cause a
degradation of over load capabilities resulting in color beats or
O PIF (Picture Intermediate Frequency) Adjustment
adjacent channel interference. For best results, adjust the
VR101 control while performing on all over local channels, or
Test Point : TP1 the voltage at TP2 will be 2.3!0.1Vdc in RF level 65!1dBuV.
Adjust : L107
1) Connect the measuring equipment to the Main Board as
shown in Fig.1.
2) Set RF frequency and output level of RF SIGNAL
GENERATOR as shown Table 1.
3) Turn off S1 and S3 and on S2.
4) Adjust L107 so that the DC voltage may be 2.5!0.1Vdc.
System Frequency Modulation Output level Adjust
B/G,D/K/I,SECAM-L 38.9MHz OFF 10mVp-p L107
SECAM-L' 34.25MHz OFF 10mVp-p VR102
(Table 1)
- 1 -
O Screen Voltage Adjustment O Deflection Data Adjustment (Line SVC-1)
Test Point : RK (Red Cathode of CPT Board) 1. Preparation for Deflection Adjustment
1) At SVC mode, press the Yellow colored button.
Adjust : Screen Control of FBT If the Remote Controller doesn't have the Yellow button,
use the button under the Channel Down(PR U) button.
And then, deflection data adjustment OSD (SVC1 mode)
NOTE: To enter SVC mode, press "OK" buttons on both TV will be displayed.
set and the Remote control at the same time. 2) Press Channel UP/DOWN button for desirous function
Adjustment.
1) Tune the TV set to receive a digital pattern. 3) Press Volume UP/DOWN button to adjust the data.
2) Press MIX button on remote controller for Service to get
into the Screen Adjust Mode.
3) Adhere the Color Analyzer on the White window of CPT
face. VL--(Vertical Linearity)
4) Adjust Screen Volume of FBT so that the luminance of Adjust so that the boundary line between upper and lower half is
White window is 6.5!0.5ft/L. in accord with geometric horizontal center of the CPT.
VA--(Vertical Height)
White window OSD Adjust so that the circle of a digital circle pattern may be located
within the effective screen of the CPT.
SC--(Vertical "S" correction)
Adjust so that all distance between each horizontal lines are to
SCREEN ADJUST MODE be the same.
Fig. 2 SVC MODE for SCREEN Adjust VS--(Vertical Shift)
Adjust so that the horizontal center line of a digital circle pattern
is in accord with geometric horizontal center of the CPT.
O Focus Adjustment
NOTE: This adjustment should be performed after warming HS--(Horizontal Shift)
up for 10 minutes. Adjust so that the vertical center line of a digital circle pattern is
in accord with geometric vertical center of the CPT.
Test Point : Observing Display
EW--(Horizontal Width)
Adjust to that a digital circle pattern looks like exact circle.
Adjust : Focus control of FBT
1) Tune the TV set to receive a digital pattern. EC--(East-west Parabola)
2) Adjust the lower Focus control of FBT for the best focus of Adjust so that middle portion of the outermost left and right
vertical line B. vertical line looks like parallel with vertical lines of the CPT.
3) Adjust the upper Focus control of FBT for the best focus of
area A.
4) Repeat above step 2) and 3) for the best overall focus. CRNU & CRNL
Adjust so that the vertical line at every 4 corners of the screen
looks like parallel with the vertical lines of the CPT.
A B ET--(East-west Trapezium)
Adjust to make the length of top horizontal line same with it of the
bottom horizontal line.
Fig. 3 b
- 2 -
Menu Range LG 29" Flat
VL 0 ~ FFFF 0079
VA 0 ~ FFFF 00C1
SC 0 ~ FFFF 0091
VS 0 ~ FFFF 0082
HS 0 ~ FFFF 0092
EW 0 ~ FFFF 011D
ET 0 ~ FFFF 007F
EC 0 ~ FFFF 0061
CRNU 0 ~ FFFF 0083
CRNL 0 ~ FFFF 0083
(Table 2)
O White Balance Adjustment.(LINE SVC 0)
NOTE : This adjustment should be performed after screen
voltage adjustment.
1) Tune the TV set to receive an 100% white pattern.
2) Press the Yellow button on remote controller in the SVC
Mode (press OK buttons on both TV set and remote
controller at the same time) then you can find On Screen
Display.
3) Press PSM (RED) button on remote controller. (Standard
picture)
4) Press PR+ or PR- button for desirous function adjustment.
5) Adjust VOL+ or VOL- button for CG:00E9.
6) Adjust VOL+ or VOL-button in each status of "Rg--"/"Bg--" for
X=267!8, Y=273!8 with color analyzer (color temperature
13,000oK).
Menu Range LG 29" Flat
CR 0 ~ 511 00E9
CG 0 ~ 511 00E9
CB 0 ~ 511 00E9
WR 0 ~ 511 0187
WG 0 ~ 511 0187
WB 0 ~ 511 0187
(Table 3)
- 3 -
O OPTION Adjustment (SVC MODE:OPTION-1, OPTION I/II H- M L
OPTION-2, OPTION-3) EYE Woofer Volume
Data SAVE PHONE SYS SYS
NOTE: When the EEPROM has been replaced, the Option data 17 0 0 1 0 0 0 1
should be restored as the function of individual system 18 0 0 1 0 0 1 0
and specification. 19 0 1
0 0 1 0 1
1) Press OK buttons on both TV set and Remote Controller at 20 0 0 1 0 1 0 0
the same time to get into SVC mode.
21 0 0 1 0 1 0 1
2) Press the Yellow button several times to find OPTION-1,
OPTION-2 and OPTION-3. 22 0 0 1 0 1 1 0
3) Input the correspond OPTION data referring to Table below 23 0 0 1 0 1 1 1
with the numeric buttons 0~9.
24 0 0 1 1 0 0 0
Table 1. OPTION 1 Function 25 0 0 1 1 0 0 1
Option Code Function Remark 26 0 0 1 1 0 1 0
0 No SAVE DUAL Sound Condition EU 27 0 0 1 1 0 1 1
I/II SAVE
1 SAVE DUAL Sound Condition NON-EU 28 0 0 1 1 1 0 0
0 Without EYE 29 0 0 1 1 1 0 1
EYE
1 With EYE 30 0 0 1 1 1 1 0
0 Without Headphone Jack 31 0 0 1 1 1 1 1
H-Phone 32 0 1 0 0 0 0 0
1 With Headphone Jack
0 Squiter Amp. 33 0 1 0 0 0 0 1
Woofer
1 Woofer Amp. 34 0 1 0 0 0 1 0
0 Standard Curve LOW STEP$RUSH 35 0 1 0 0 0 1 1
Vol-
Curve 1 Rushed Curve HIGH STEP$SLOW 36 0 1 0 0 1 0 0
0 Without NTSC-M 37 0 1 0 0 1 0 1
M-SYS 38 0 1 1 0
1 With NTSC-M system 0 0 1
0 Without SECAM L/L' 39 0 1 0 0 1 1 1
L-SYS 40 0 1 0 1 0 0 0
1 With SECAM L/L'
41 0 1 0 1 0 0 1
42 0 1 0 1 0 1 0
Table 2. OPTION 1 CODE Data
43 0 1 0 1 0 1 1
OPTION I/II H- M L 44 0 1 0 1 1 0 0
EYE Woofer Volume
Data SAVE PHONE SYS SYS 45 0 1 0 1 1 0 1
0 0 0 0 0 0 0 0 46 0 1 0 1 1 1 0
1 0 0 0 0 0 0 1 47 0 1 0 1 1 1 1
2 0 0 0 0 0 1 0 48 0 1 1 0 0 0 0
3 0 0 0 0 0 1 1 49 0 1 1 0 0 0 1
4 0 0 0 0 1 0 0 50 0 1 1 0 0 1 0
5 0 0 0 0 1 0 1 51 0 1 1 0 0 1 1
6 0 0 0 0 1 1 0 52 0 1 1 0 1 0 0
7 0 0 0 0 1 1 1 53 0 1 1 0 1 0 1
8 0 0 0 1 0 0 0 54 0 1 1 0 1 1 0
9 0 0 0 1 0 0 1 55 0 1 1 0 1 1 1
10 0 0 0 1 0 1 0 56 0 1 1 1 0 0 0
11 0 0 0 1 0 1 1 57 0 1 1 1 0 0 1
12 0 0 0 1 1 0 0 58 0 1 1 1 0 1 0
13 0 0 0 1 1 0 1 59 0 1 1 1 0 1 1
14 0 0 0 1 1 1 0 60 0 1 1 1 1 0 0
15 0 0 0 1 1 1 1 61 0 1 1 1 1 0 1
16 0 0 1 0 0 0 0 62 0 1 1 1 1 1 0
- 4 -
OPTION I/II H- M L OPTION I/II H- M L
EYE Woofer Volume EYE Woofer Volume
Data SAVE PHONE SYS SYS Data SAVE PHONE SYS SYS
63 0 1 1 1 1 1 1 109 1 1 0 1 1 0 1
64 1 0 0 0 0 0 0 110 1 1 0 1 1 1 0
65 1 0 0 0 0 0 1 111 1 1 0 1 1 1 1
66 1 0 0 0 0 1 0 112 1 1 1 0 0 0 0
67 1 0 0 0 0 1 1 113 1 1 1 0 0 0 1
68 1 0 0 0 1 0 0 114 1 1 1 0 0 1 0
69 1 0 0 0 1 0 1 115 1 1 1 0 0 1 1
70 1 0 0 0 1 1 0 116 1 1 1 0 1 0 0
71 1 0 0 0 1 1 1 117 1 1 1 0 1 0 1
72 1 0 0 1 0 0 0 118 1 1 1 0 1 1 0
73 1 0 0 1 0 0 1 119 1 1 1 0 1 1 1
74 1 0 0 1 0 1 0 120 1 1 1 1 0 0 0
75 1 0 0 1 0 1 1 121 1 1 1 1 0 0 1
76 1 0 0 1 1 0 0 122 1 1 1 1 0 1 0
77 1 0 0 1 1 0 1 123 1 1 1 1 0 1 1
78 1 0 0 1 1 1 0 124 1 1 1 1 1 0 0
79 1 0 0 1 1 1 1 125 1 1 1 1 1 0 1
80 1 0 1 0 0 0 0 126 1 1 1 1 1 1 0
81 1 0 1 0 0 0 1 127 1 1 1 1 1 1 1
82 1 0 1 0 0 1 0
83 1 0 1 0 0 1 1
84 1 0 1 0 1 0 0
85 1 0 1 0 1 0 1
86 1 0 1 0 1 1 0
87 1 0 1 0 1 1 1
88 1 0 1 1 0 0 0
89 1 0 1 1 0 0 1
90 1 0 1 1 0 1 0
91 1 0 1 1 0 1 1
92 1 0 1 1 1 0 0
93 1 0 1 1 1 0 1
94 1 0 1 1 1 1 0
95 1 1 0 1 1 1 1
96 1 1 0 0 0 0 0
97 1 1 0 0 0 0 1
98 1 1 0 0 0 1 0
99 1 1 0 0 0 1 1
100 1 1 0 0 1 0 0
101 1 1 0 0 1 0 1
102 1 1 0 0 1 1 0
103 1 1 0 0 1 1 1
104 1 1 0 1 0 0 0
105 1 1 0 1 0 0 1
106 1 1 0 1 0 1 0
107 1 1 0 1 0 1 1
108 1 1 0 1 1 0 0
- 5 -
Table 3. OPTION 2 Function
Option Code Function Remark OPTION
TOP TURBO D/K B/B VGA DVD
0 FLOP TEXT Without Data
TOP
TEXT(TOP=0) 1 TOP TEXT 28 0 1 1 1 0 0
0 W/O TURBO Picture & Sound To compensate the 29 0 1 1 1 0 1
TURBO
1 With TURBO Picture & Sound Inclination of picuture 30 0 1 1 1 1 0
DK 0 Without D/K CHINA 31 0 1 1 1 1 1
CHINA 1 With D/K CHINA 32 1 0 0 0 0 0
0 Without BB System 33 1 0 0 0 0 1
BB SYS
1 With BB System 34 1 0 0 0 1 0
0 Without VGA Mode 35 1 0 0 0 1 1
VGA
1 With VGA Mode 36 1 0 0 1 0 0
0 Without DVD(Y, Cr, Cb) Input 37 1 0 0 1 0 1
DVD
1 With DVD Input 38 1 0 0 1 1 0
39 1 0 0 1 1 1
40 1 0 1 0 0 0
41 1 0 1 0 0 1
Table 4. OPTION 2 CODE Data 42 1 0 1 0 1 0
OPTION 43 1 0 1 0 1 1
TOP TURBO D/K B/B VGA DVD
Data 44 1 0 1 1 0 0
0 0 0 0 0 0 0 45 1 0 1 1 0 1
1 0 0 0 0 0 1 46 1 0 1 1 1 0
2 0 0 0 0 1 0 47 1 0 1 1 1 1
3 0 0 0 0 1 1 48 1 1 0 0 0 0
4 0 0 0 1 0 0 49 1 1 0 0 0 1
5 0 0 0 1 0 1 50 1 1 0 0 1 0
6 0 0 0 1 1 0 51 1 1 0 0 1 1
7 0 0 0 1 1 1 52 1 1 0 1 0 0
8 0 0 1 0 0 0 53 1 1 0 1 0 1
9 0 0 1 0 0 1 54 1 1 0 1 1 0
10 0 0 1 0 1 0 55 1 1 0 1 1 1
11 0 0 1 0 1 1 56 1 1 1 0 0 0
12 0 0 1 1 0 0 57 1 1 1 0 0 1
13 0 0 1 1 0 1 58 1 1 1 0 1 0
14 0 0 1 1 1 0 59 1 1 1 0 1 1
15 0 0 1 1 1 1 60 1 1 1 1 0 0
16 0 1 0 0 0 0 61 1 1 1 1 0 1
17 0 1 0 0 0 1 62 1 1 1 1 1 0
18 0 1 0 0 1 0 63 1 1 1 1 1 1
19 0 1 0 0 1 1
20 0 1 0 1 0 0
21 0 1 0 1 0 1
22 0 1 0 1 1 0
23 0 1 0 1 1 1
24 0 1 1 0 0 0
25 0 1 1 0 0 1
26 0 1 1 0 1 0
27 0 1 1 0 1 1
- 6 -
Table 5. OPTION 3 Function OPTION
Soft Wide TV Scart LNA OSD
Data
Option Code Function Remark
Use Normal Key Board According to 24 0 0 1 1 0
Soft 0
Touch Use Soft Touch Key Board Tool Outlook. 25 0 0 1 1 1
1
4:3 TV 26 0 0 1 1 2
Wide 0
TV 16:9 TV 27 0 0 1 1 3
1
Scart Input AV1 28 0 0 1 1 4
0
Scart 29 5
Phone Input 0 0 1 1
1
Without LNA 30 0 0 1 1 6
0
LNA
With LNA 31 0 0 1 1 7
1
32 0 1 0 0 0
OSD 0 English Only
33 0 1 0 0 1
1 Eng+Chinese
34 0 1 0 0 2
2 Eng+French+Arabic+Urdu+Parsi
35 0 1 0 0 3
3 Eng+German+French+Italian+Spainish+Netherlandish
36 0 1 0 0 4
+Portuguese
37 0 1 0 0 5
4 Eng+Swedenish+Norwegian+Danish+Finish
38 0 1 0 0 6
5 Eng+Romanian+Polish+Hungarian+Czech+Russian
39 0 1 0 0 7
6 Reserved
40 0 1 0 1 0
7 Full
41 0 1 0 1 1
42 0 1 0 1 2
Table 6. OPTION 3 CODE Data
43 0 1 0 1 3
OPTION 44 0 1 0 1 4
Soft Wide TV Scart LNA OSD
Data 45 0 1 0 1 5
0 0 0 0 0 0 46 0 1 0 1 6
1 0 0 0 0 1 47 0 1 0 1 7
2 0 0 0 0 2 48 0 1 1 0 0
3 0 0 0 0 3 49 0 1 1 0 1
4 0 0 0 0 4 50 0 1 1 0 2
5 0 0 0 0 5 51 0 1 1 0 3
6 0 0 0 0 6 52 0 1 1 0 4
7 0 0 0 0 7 53 0 1 1 0 5
8 0 0 0 1 0 54 0 1 1 0 6
9 0 0 0 1 1 55 0 1 1 0 7
10 0 0 0 1 2 56 0 1 1 1 0
11 0 0 0 1 3 57 0 1 1 1 1
12 0 0 0 1 4 58 0 1 1 1 2
13 0 0 0 1 5 59 0 1 1 1 3
14 0 0 0 1 6 60 0 1 1 1 4
15 0 0 0 1 7 61 0 1 1 1 5
16 0 0 1 0 0 62 0 1 1 1 6
17 0 0 1 0 1 63 0 1 1 1 7
18 0 0 1 0 2 64 1 0 0 0 0
19 0 0 1 0 3 65 1 0 0 0 1
20 0 0 1 0 4 66 1 0 0 0 2
21 0 0 1 0 5 67 1 0 0 0 3
22 0 0 1 0 6 68 1 0 0 0 4
23 0 0 1 0 7 69 1 0 0 0 5
- 7 -
OPTION OPTION
Soft Wide TV Scart LNA OSD Soft Wide TV Scart LNA OSD
Data Data
70 1 0 0 0 6 116 1 1 1 0 4
71 1 0 0 0 7 117 1 1 1 0 5
72 1 0 0 1 0 118 1 1 1 0 6
73 1 0 0 1 1 119 1 1 1 0 7
74 1 0 0 1 2 120 1 1 1 1 0
75 1 0 0 1 3 121 1 1 1 1 1
76 1 0 0 1 4 122 1 1 1 1 2
77 1 0 0 1 5 123 1 1 1 1 3
78 1 0 0 1 6 124 1 1 1 1 4
79 1 0 0 1 7 125 1 1 1 1 5
80 1 0 1 0 0 126 1 1 1 1 6
81 1 0 1 0 1 127 1 1 1 1 7
82 1 0 1 0 2
83 1 0 1 0 3
84 1 0 1 0 4
85 1 0 1 0 5
86 1 0 1 0 6
87 1 0 1 0 7
88 1 0 1 1 0
89 1 0 1 1 1
90 1 0 1 1 2
91 1 0 1 1 3
92 1 0 1 1 4
93 1 0 1 1 5
94 1 0 1 1 6
95 1 0 1 1 7
96 1 1 0 0 0
97 1 1 0 0 1
98 1 1 0 0 2
99 1 1 0 0 3
100 1 1 0 0 4
101 1 1 0 0 5
102 1 1 0 0 6
103 1 1 0 0 7
104 1 1 0 1 0
105 1 1 0 1 1
106 1 1 0 1 2
107 1 1 0 1 3
108 1 1 0 1 4
109 1 1 0 1 5
110 1 1 0 1 6
111 1 1 0 1 7
112 1 1 1 0 0
113 1 1 1 0 1
114 1 1 1 0 2
115 1 1 1 0 3
- 8 -
◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo