Daewoo DTQ-29M2FS Manuel utilisateur
Service Manual
Color Television
CHASSIS : CN-012N / CN-012NA / CN-012NF
Model : DTQ-29M2FS DTQ-29M5SSN
DTQ-27U8SCN DTQ-29U8SSN
http : //svc.dwe.co.kr Sep.2002
DAEWOO ELECTRONICS CO., LTD.
S/M No. : TCN012NAFEF0
AC120/220V, 50/60Hz
125W
AC120V 60Hz
NTSC-M
TV
CATV
7W+7W 5W+5W
8 ohm
75 ohm Unbalanced
Picture IF Carrier Frequency : 45.75MHz
Sound IF Carrier Frequency : 41.25MHz
Color Sub-Carrier Frequency : 3.579545MHz
R-43A07
130W
Frequency Synthesizer(FS)Tuning System
1) Icon Type
2) 4-Language OSD
3) With CAPTION
4) CH Label
DTQ-29M2FS DTQ-29M5SSN DTQ-29U8SSN DTQ-27U8SCN
Model
Items
TV Standard
CHASSIS
DTQ-29M2FS DTQ-29M5SSN DTQ-27U8SCN
DTQ-29U8SSN
Power Input
Power Consumption
Tuning System
Tuning Ranges
Sound Output
Speaker
Antenna Input impedance
Auxiliary Input Terminal
Auxiliary Output Terminal
Intermediate Freqaencies
Remote Control
Special Function
12W x 2EA
Rear: Video, Audio(R,L)
5) Digital Sensor (29M2FS)
6) Surround
7) AVC
8) Wide Picture(Option)
Specification
CN-012N CN-012NA CN-012NF
Side : Video, Audio(R,L)
Rear : Video, Audio(R,L)
Front : Video, Audio(R,L)
Rear : Video, Audio(R,L)
VHF(L) : CH2 - CH6
UHF(H) : CH7 - CH13
UHF : CH14 - CH69
VHF(L) : 5A, A, B, A-5-A-1
CH2 - CH6
VHF(H) : C-W+11
CH7 - CH13
UHF : W + 12 - W + 84
-1-
83
69
62
66
13
10
3
4
2
71
83
84
85
56
87
87
88
88
✐ CAUTION :In this Service Manual, some parts can be changed for improving their
performance without notice in the parts list. So, if you need the latest parts
information, please refer to PPL(Parts Price List)in Service information
Center(http://svc.dwe.co.kr)
-2-
SPECIFICTION
AC120/220V, 50/60Hz
125W
AC120V 60Hz
NTSC-M
TV VHF(L) : CH2 - CH6
UHF(H): CH7-CH13
UHF : CH14-CH69
CATV VHF(L) : 5A, A,B, A-5-A-1
CH2 - CH6
VHF(H) : C-W+11
CH7 - CH13
UHF :W+12-W+84
7W+7W 5W+5W
8 ohm
75 ohm Unbalanced
Picture IF Carrier Frequency : 45.75MHz
Sound IF Carrier Frequency : 41.25MHz
Color Sub-Carrier Frequency : 3.579545MHz
R-43A07
130W
Frequency Synthesizer(FS)Tuning System
1) Icon Type
2) 4-Language OSD
3) With CAPTION
4) CH Label
DTQ-29M2FS DTQ-29M5SSN DTQ-29U8SSN DTQ-27U8SCN
Model
Items
TV Standard
Power Input
Power Consumption
Tuning System
Tuning Ranges
Sound Output
Speaker
Antenna Input Impedance
Intermediate Frequencies
Remote Control
Special Function
12W x 2EA
Auxiliary Input Terminal
Auxiliary Output Terminal Rear:Video, Audio(R,L)
5) Digital Sensor (29M2FS)
6) Surround
7) AVC
8) Wide Picture(Option)
CHASSIS CN-012N CN-012NA CN-012NF
Side : Video, Audio(R,L)
Rear : Video, Audio(R,L) Front : Video, Audio(R,L)
Rear : Video, Audio(R,L)
-3-
CIRCUIT BLOCK DIAGRAM
TEA5101B
(29U8)
STR-F6626
(27U8SCN Onl )
CN-012N/NA/NF
-4-
ALIGNMENT INSTRUCTION
1. POWER
use this button to turn your TV on or off.
2. MUTE
Use to turn the TV's sound on and off.
3. CH
Use these buttons to change your TV's volume, to
activate selections in the menu system.
4. VOL
Use thesebuttons to change your TV's volume, to
activate selections in the meny system, or to change
audio and video settings.
5. MENU
Use this button to turn the TV's menu system on and off.
6. DISPLAY
Use this button to display the channel numbeer and
status.
. INPUT
Use this button to select the TV's signal source.
8. VIDEO
Use this button to display video adjustment.
9. 0-9
Use these buttons to change channels.
10. SLEEP
Use this button to program the TV to turn off after a
certain time.
11. PREVIOUS
Use this button to return to the previous channel you
were watching.
1
3
4
11
8
2
4
5
3
9
10
6
POWERMUTE
MENU
CH
SLEEP PREVIOUS
VIDE OINPU TDISPLAY
1 2 3
4 5 6
7 8
0
9
VOL VOL
Your Remote Control(R-43A07)
-5-
ALIGNMENT INSTRUCTION
1. SERVICE MODE ADJUSTMENTS
Follow the steps below whenever service adjustment is required. See Table- A and Table- B to determine if
service adjustments are required.
1) How to enter the service mode using the user remote control.
•
Turn the set on.
•
Direct the remote control to the reception window of TV.
•
Push buttons of remote control in sequence as follows.
1
Æ
MUTE
Æ
DISPLAY
Æ
MUTE
•
Then, the screen will appear as follows.
•
Using the channel up or channel down button, select the item you wish to adjust.
(The color of selected item turns into the red.)
•
Press the volume up or down button to enter in the service mode you wish to adjust.
2) How to memorize the adjusted values in the service mode.
•
Must press
DISPLAY
button the state which the screen is displaying each of service
menus
after all adjustments are completed each of all service menu.
Table-A : Adjust the values of service mode when a part is replaced.
PART
REPLACED
ADJUSTMENT NOTES
NECESSARY UNNECESSARY
I 01
(U-COM) OData is stored in I 03.
I101
(MAIN) O
I 02
(EEPROM)
Initial setting values are written from I 01.
ADJUSTING ITEMS
S5 : RFAGCD
O S6 : H.PHASE/V.POSI/V.SIZE
S8 : RD/GD/BD/RB/GB/BB
S9 Subbrightness
CRT O Adjust items related to picture tube only.(White Balance adjustment)
S2 SCRN
S5 IFC
S6 GEO
S8 W/B
S9 DP
S12 FACT
-6-
ALIGNMENT INSTRUCTION
Table-B
*
indicates the items with different settings each of sets
2. ASSEMBLY ADJUSTMENTS
1) SCREEN ADJUSTMENT (S2)
•
Enter the service mode and select service adjustment S2.
•
You can see the one horizontal line on the screen.
•
Adjust the Screen Control Volume (located on FBT) so that the horizontal line onscreen may be
disappeared.
•
Press the volume up or down button to exit in the screen adjustment mode.
MODE ADJUSTMENT
DATA
REMARKS
INITIAL RANGE
S2 Screen Adjustment
S5
IF CONTROL
RF AGC DELAY * 20 0 ~63 Align RF AGC threshold
AGC POINT 3. 5 3.25~4.0 Select AGC reference voltage
A/D VALUE - -
FM/AM PRESCALE 18 0~255 Must be set to 18
SCART PRESCALE 18 0~255 Must be set to 18
MONITOR VOLUME 119 0~255 Must be set to 119
S6(4:3)
H-CENTER * 11 0~31 Align sync to flyback pulse,using internal cross pattern(s11)
V-CENTER * 22 0~63 Align vertical DC bias,using internal cross pattern(s11)
V-LIN * 12 0~31 Must be set to 12
H-SIZE * 32 0~63 Align sync to flyback pulse,using internal cross pattern(s11)
V-SIZE * 96 0~12 Align vertical amplitude,using internal cross pattern(s11)
V-S 12 0~31 Must be set to 12
V-SIZE-C 0~ Must be set to
P-CUSHION * 30 0~63 Align pincution,using internal cross pattern(s11)
TILT * 3 0~63 Align tilt,using internal cross pattern(s11)
TOP-C 8 0~15 Must be set to 8
BOT-C 8 0~15 Must be set to 8
S8
R-DRIVE * 63 0~12 Align red out AC level
G-DRIVE * 15 0~15 Must be set to 15
B-DRIVE * 63 0~12 Align blue out AC level
R-BIAS * 12 0~255 Align red out DC level
G-BIAS * 12 0~255 Must be set to 12
B-BIAS * 12 0~255 Align blue out DC level
S9
SUB-BRIGHT * 5 0~12 Align common RGB DC level
DP-CONTRAST 2 0~2
DP-SHARPNESS 5 0~30
DP-COLOR 2 0~2
DP-TINT 38 0~
VIDEO LEVEL 0~
FM LEVEL 30 0~31
S11
internal black - - Display internal black pattern
internal 100% white - - Display internal 100% white
internal 60% white - - Display internal 60% white
internal cross pattern - - Display internal cross pattern
S12 Forwarding Mode - Factory initialization
IN THE SCREEN ADJUSTMENT MODE, DONT PRESS OTHER BUTTONS EXCEPT VOLUME UP OR DOWN BUTTON.
CAUTION
-7-
ALIGNMENT INSTRUCTION
2) FOCUS ADJUSTMENT
•
Turn in a local station and adjust the Focus Control knob (located on FBT) for best picture
details at high light condition.
3) RF AGC DELAY ADJUSTMENT (S5)
•
Receive a good local channel.
•
Enter the service mode and select service adjustment S5.
•
You can see the OSD as shown in below.
•
Select RFAGCD item, press the volume up or down button until noise or beat in picture disappears.
•
Press the DISPLAY button to memorize the data.
4) GEOMETRIC ADJUSTMENTS (S6)
•
Enter the service mode and select service adjustment S11.
•
Whenever you select the “S11” using the volume up or down button, the screen is changing like this.
•
Using the volume up or down button, select internal cross pattern.
•
Select service adjustment S6
•
You can see the OSD as shown in below.
4-1. Horizontal Position Adjustment
•
Select H-CENTER item, adjust H-CENTER data value to obtain proper horizontal centering of the
internal cross pattern at the left and right of the screen.
4-2. Vertical Position Adjustment
•
Select V-CENTER item, adjust V-CENTER data value to center the raster properly on the screen.
IF CONTROL
AUTO RFAGC START
RFAGC DELAY 2.0
AGC POINT 3. 5
A/D VALUE :9DH
FM/AM PRESCALE 18
SCART PRESCALE 18
MONITOR VOLUME 119
MOVE ADJUST RECALL : SET
NORMAL BLACK WHITE100 WHITE60 CROSS
WVPOS 48
W-VSIZE 22
W-VLIN 12
W-VS 12
W-PCUTION 1
W-TILT 3
W-TOPC 8
W-BOTC 8
H-CENTER 11
V-CENTER 22
V-LIN 12
H-SIZE 32
V-SIZE 96
V-S 12
V-SIZE-C
PIN 30
TILT 3
TOP-C 8
BOT-C 8
-8-
ALIGNMENT INSTRUCTION
4-3. Vertical Size Adjustment
•
Select “V.SIZE” item, adjust “V.SIZE” data value to proper vertical size as follows.
5) WHITE BALANCE ADJUSTMENT(S8)
•
Receive a good local channel.
•
Enter the service mode and select service adjustment S8.
•
You can see the OSD as shown in below.
•
Using volume up or volume down, adjust service adjustment data of RD/GD/BD and RB/GB/BB until a good gray
scale with normal whites is obtained.ALIGNMENT INSTRUCTIONS
•
Press the DISPLAY button to memorize the data.
6) DIGITAL PRESET(D.P) ADJUSTMENTS(S9)
SUBBRIGHTNESS ADJUSTMENT
•
Receive a good local channel.
•
Enter the service mode and select service adjustment S9.
•
You can see the OSD as shoown in below.
RD 63
GD 15
BD 63
RB 12
GB 12
BB 12
MOVE ADJUST RECALL : SET
SUB BRIGHTNESS 5
DP-CONTRAST 2
DP-SHARPNESS 5
DP-COLOR 2
DP-TINT 38
VIDEO LEVEL
FM LEVEL 30
MOVE ADJUST RECALL : SET
-9-
ALIGNMENT INSTRUCTION
•
Select Subbrightness item, adjust Subbrightness data value
to obtain normal
brightness level.
•
Press the DISPLAY button to memorize the data.
CONTRAST
•
Fixed value = 2
TINT
•
Fixed value = 38
COLOR
•
Fixed value = 2
7) FACTORY OUTGOING MODE (S12 : FACT)
•
If you select the S12, then the set becomes factory outgoing status.
•
You can see the OSD “outgoing OK”
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2
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