Daewoo DTY-2896TUF, DTY-2896TU, DTY-2896TAF, DTY-2896TK, DTY-2896TKF Service Manual
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Service Manual
59 / 66 / 68 Cm STEREO Colour Television
CHASSIS : CP-775
DAEWOO ELECTRONICS CO., LTD.
http://svc.dwe.co.kr July,1999
MODEL:
DTY-2896 TF / TU / TA / TFF / TUF / TAF / TK / TKF
DTY-2898 TF / TU / TA / TFF / TUF / TAF / TK / TKF / TFC
DTY-28G6 TF / TU / TA / TFF / TUF / TAF / TK / TKF
DTY-28G7 TF / TU / TA / TFF / TUF / TAF / TK / TKF
DTY-28G2TFF / TUF / TAF / TKF
DTY-2594 TKF / TUF / TAF / TFF / TUF / TFC
DTY-25G1 TKO / TFO
DTY-29G1 TKO / TFO
S/M No: CP775P-012
CONTENTS
Specifications ................................................................................................................1
Safety Instruction .........................................................................................................3
Circuit block Diagram ..................................................................................................4
Alignment Instructions ...............................................................................................5
IC Description ................................................................................................................10
IC DC Voltage charts.....................................................................................................38
Circuit Description ........................................................................................................42
PCB Layouts
§§
ö
PRINTED CIRCUIT BOARDS ......................................................................................51
§§
ö
SCHEMATIC DIAGRAM................................................................................................52
Mechanical Exploded View and Parts List ...........................................................54
Electrical Parts List ......................................................................................................56
1
§ Specifications
CRT 25” : A59EAK071X11 (PHILIPS)
28” : A66EAK071X11 (PHILIPS)
System TF : PAL - B/G for West Europe, NTSC-3.58 / 4.43 (Play back)
TA : PAL - B/G, SECAM-L/L’ for France, NTSC-3.58 / 4.43 (Play back)
TU : PAL- I for U.K, NTSC-3.58 / 4.43 (Play back)
TK : PAL/SECAM - B/G, D/K, NTSC-3.58/4.43(play back) for East Europe & CIS
Main Voltage 230V AC, 50Hz
Power Consumption Stand-by mode : 10 Watts
Normal operating mode : 25” = 75 Watts
28” = 75 Watts
29” = 75 Watts
Sound output 5 + 5 Watts, 10 % THD at RF 60 % mod. (1
KHz
)
Speaker 12W 4 ohm x 2 EA
Antenna 75 ohm unbalanced input
Impedance
Tuning system VS( voltage synthesis ) tuning
Tuner 3303KHC (TF, TA, TK, TI Model)
BAND I : CH2 - CH4
BAND III : CH5 - CH12
CABLE BAND : S1’ - S3’ , S1 - S20
HYPER BAND : S21 - S41
BAND IV, V : CH21 - CH69
DT2-IV17D (TU Model )
BAND IV, V : CH21 - CH69
Number of 70 programs
program
Aux. Terminal 21 pin EURO-SCART jack ( AV input, TV output, RGB input )
21 pin EURO-SCART jack ( AV input, S-VHS input )
RCA type AV input jack
Headphone jack (3.5 mmø)
Remote controller R-28B03 or R-35D05 with 2 “AA” type batteries
Teletext 8 pages memory TOP & FLOF
- West option :English, German/Dutch/Flemish, French, Italian,
Spanish/Portuguese, Swedish/Finnish/Danish, Czech/Slovak
- East option : Polish, Czech/Slovak, Rumanian, Hungarian, Servo-croat,
German/Dutch/Flemish, French, Italian
- Turkish option : Turkish, English, German/Dutch/Flemish, French,
Italian, Spanish/Portuguese, Swedish/Finnish/Danish
- Cyrillic option: Russian, Lettish/Lithuanian, Estonian, Ukranian,
Czech/Slovak, Servo-croat, English
OSD language -East,West,Turkish Version : English,French,German,Italian,Spanish
-Cyrillic Version : Russian, English, German
6
4. WHITE BALANCE
1) Set the TV to NOR I mode.
2) Set the R,G,B LEVEL to CENTER with R,G,B UP/DOWN KEY .
3) Adjust the R,G,B UP/DOWN KEY of the other color which did not appear
on the screen to obtain WHITE.
5. FOCUS
1) Apply a RETMA PATTERN signal.
2) Adjust the FOCUS VOLUME on FBT to obtain optimal resolution.
6. GEOMETRY
6.1 VERTICAL CENTER
1) Set the TV to NOR I mode.
2) Pressing the V-CENTER UP/DOWN KEY, the
lower half of the screen is blanked.
3) Adjust the border line of blanked picture
coincident with the mechanical center marks
of the CRT using the V-CENTER UP/DOWN KEY.
6.2 VERTICAL SIZE
ƒRThe VERTICAL CENTER adjustment
has to be done in advance.
1) Apply a RETMA PATTERN signal.
2) Set the TV to NOR I mode.
3) Adjust the upper part of the picture
with the V-SIZE UP/DOWN keys.
6.3 VERTICAL SLOPE
ƒRThe VERTICAL SIZE adjustment
has to be done in advance.
1) Apply a RETMA PATTERN signal.
2) Adjust the lower part of the picture
with the V-SLOPE UP/DOWN keys.
6.4 VERTICAL S-CORRECTION
1) Apply a CROSSHATCH PATTERN signal.
2) Adjust the S-COR UP/DOWN KEY to obtain
the same distance between horizontal lines.
6.5 HORIZONTAL CENTER
1) Apply a RETMA PATTERN signal.
2) Adjust picture centering with CENTER
LEFT/RIGHT keys.
49
THE DIFFERENT PARTS FOR CRT (CP-775)
No LOC. NAME 28” (V/COLOR 28”(PHILIPS) 25”(PHILIPS) 25”(ORION) 29”(ORION) 25”(TESLA) 28”(TESLA)
1 C402 C MYLAR
1.6KV 7200PF
¤N ¤N
1.6KV 7500PF
¤N
1.6KV 7200PF
¤N
CMYH3C722J CMYH3C752J CMYH3C722J
2 C404 C MYLAR
1.6KV 4700PF
¤N ¤N ¤N
1.6KV 8200PF 1.6KV 4700PF
¤N
CMYH3C472J CMYH3C822J CMYH3C472J
3 C408 C MYLAR
400V 0.3MF 400V 0.27MF
¤N
400V 0.33MF 400V 0.51MF 400V 0.27MF 400V 0.3MF
CMYE2G304J CMYE2G274J CMYE2G334J CMYE2G514J CMYE2G274J CMYE2G304J
4 D406 DIODE
BYW95C
¤N ¤N ¤N
X BYW95C
¤N
DBYW95C - - - DBYW95C - - -
5 J802
WIRE COPPER
X
¤N ¤N ¤N
AWG22 1/0.65 TIN COATING
X
¤N
85801065GY
6 R333 R C-FILM
1/4W 2K OHM 1/4W 3K OHM
¤N
1/4W 2.7K OHM F ¤N1/4W 3K OHM
¤N
RD-4Z202J - RD-4Z302J- RN-4Z2701F RD-4Z302J-
7 R919 R FUSIBLE
1W 0.47 OHM 1W 3.3 OHM
¤N ¤N ¤N
1W 2.2 OHM
¤N
RF01Z478K - RF01Z339J - RF01Z229J-
8 V901 CRT
A66ECY13X611 A66EAK071X11 A59EAK071X11
A59KTB96X01 P38 A68KTB190X006 P38
A59EMZ43X07 A66EMZ43X07
A59KTB98X01 M50 A68KTB192X006 M50
4859613360 4859622160 4859622260
4859608962¤NP38 4859618060¤NP38
4859627460 4859627560
4859609161¤NM50 4859618460¤NM50
9 ZDC10 COIL DC-2701
¤N
DC-2501 ¤NDC-2901 DC2501 DC2701
DEGAUSSING 58G0000103 58G719M096 58G0000094 58G719M096 58G0000103
10 P405
CONNECTOR AS
4850706S10 4850706S21
¤N
X X 4850706S10
¤N
11 L401
COIL H-LINEARITY
TRL-330
¤N ¤N ¤N
TRL-200D TRL-400D
¤N
58H0000025 58H0000039 58H0000041
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