Daewoo DVT-21F1LA User manual

Television-VCR Combo

(Revision-1)

CHASSIS : CP-420

Subject : Tuner change & New model

Printed date : APR. 1999

DAEWOO ELECTRONICS CO., LTD

Please file and use this Revision-1

for the CP-420 chassis with the

basic service manual.

ADDED MODEL

: DVT-21F1LA/PA/FA

DVT-21F2LA/PA/FA

Service Manual

S/M No:CP420P-011-R1

Distinguishing method between New Tuner and Old one

If this frame is gray color (old : black),

then the New Tuner (S/N:4859719730) is used.

-2 Tuners (Old:4859717030, New:4859719730) are not interchangable.

Each tuner should be replaced with the same one.

- But Main PCB Assy ( Old & New ) are interchangable by itself.

CAUTION

Main PCB Assy Circuit Diagram

SECTION BEFORE AFTER

MAIN

TUNER

SECTION BEFORE AFTER

SUB

TUNER

CP-420 Different Parts List for Tuner Change

* CAUTION : 2 TUNERS(4859717030 & 4859719730) ARE NOT INTERCHANGABLE! 99-04-09

NO LOC PART NAME JAPAN ALPS 9V TUNER(BEFORE) DECC 5V TUNER(AFTER) REMARK

S/N PART DESC. S/N PARTDESC.

1A001 PCB MAIN 4859801593 330X246 D1B 4859802993 330X246 D1B PCB VERSION CHANGE

2U101 TUNER VARACT 4859717030 TELE9-084A 4859719730 DT5-BF15P MAIN TUNER

3U102 TUNER VARACT 4859717030 TELE9-084A 4859719730 DT5-BF15P SUB TUNER

4C234 C ELECTRO CEXF1E101V 25V RSS 100MF (6.3X X X MAIN TUNER(U101) AREA

5C580 C CERA X X CBZR1C472M 16V Y5V 4700PF M (AX EMC IMPROVE

6C582 C CERA CCZB1H102K 50V B 1000PF K (AXIA X X EMC IMPROVE

7C711 C CERA X X CCZF1E103Z 25V F 0.01MF Z (AXIA TIMER(I701) AREA

8C822 C ELECTRO CEXF1C471C 16V RUS 470MF (10X12 CEXF1C102C 16V RUS 1000MF (10X2 POWER ASSY 5V LINE

9C832 C ELECTRO CEXF1C471V 16V RSS 470MF (10X12 CEXF1C102C 16V RUS 1000MF (10X2 POWER ASSY 5V LINE

10 C835 C MYLAR CMXE2J222J 630V PU 2200PF J (TP CCXR3D102K HIRK 2KV 1000PF K 12 POWER ASSY SMPS IMPROVE

11 CC102 C CHIP CERA HCFK104ZCA 50V Y5V 0.1MF Z 2012 X X MAIN TUNER(U101) AREA

12 CC108 C CHIP CERA HCBK102KCA 50V X7R 1000PF K 20 X X SUB TUNER(U102) AREA

13 CC110 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X SUB TUNER(U102) AREA

14 CC111 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X SUB TUNER(U102) AREA

15 CC112 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X SUB TUNER(U102) AREA

16 CC113 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X MAIN TUNER(U101) AREA

17 CC114 C CHIP CERA HCBK102KCA 50V X7R 1000PF K 20 X X MAIN TUNER(U101) AREA

18 CC115 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X MAIN TUNER(U101) AREA

19 CC116 C CHIP CERA HCQK101JCA 50V CH 100PF J 2012 X X MAIN TUNER(U101) AREA

20 CC117 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X MAIN TUNER(U101) AREA

21 CC207 C CHIP CERA HCFK104ZCA 50V Y5V 0.1MF Z 2012 X X SUB TUNER(U102) AREA

22 CC211 C CHIP CERA HCQK820JCA 50V CH 82PF J 2012 X X SUB TUNER(U102) AREA

23 CC519 C CHIP CERA HCBK102KCA 50V X7R 1000PF K 20 X X EMC IMPROVE

24 CC521 C CHIP CERA HCBK102KCA 50V X7R 1000PF K 20 X X EMC IMPROVE

25 CC532 C CHIP CERA HCQK680JCA 50V CH 68PF J 2012 HCQK220JCA 50V CH 22PF J 2012 SIFIN(I701#1)AREA

26 CC580 C CHIP CERA HCBK102KCA 50V X7R 1000PF K 20 X X EMC IMPROVE

27 CC582 C CHIP CERA X X HCBK102KCA 50V X7R 1000PF K 20 EMC IMPROVE

28 CC585 C CHIP CERA X X HCBK103KCA 50V X7R 0.01MF K 20 EMC IMPROVE

29 CC586 C CHIP CERA X X HCBK103KCA 50V X7R 0.01MF K 20 EMC IMPROVE

30 CC587 C CHIP CERA X X HCBK103KCA 50V X7R 0.01MF K 20 EMC IMPROVE

31 CCL16 C CHIP CERA HCQK820JCA 50V CH 82PF J 2012 X X MAIN TUNER(U101) AREA

32 CCL32 C CHIP CERA X X HCBK103KCA 50V X7R 0.01MF K 20 EMC IMPROVE

33 CCY10 C CHIP CERA X X HCQK221JCA 50V CH 220PF J 2012 A/V ONE CHIP(IY01) AREA

34 CCY38 C CHIP CERA HCBK472KCA 50V X7R 4700PF K 20 X X A/V ONE CHIP(IY01) AREA

35 CCY40 C CHIP CERA HCBK122KCA 50V X7R 1200PF K 20 X X A/V ONE CHIP(IY01) AREA

36 CCY41 C CHIP CERA HCBK222KCA 50V X7R 2200PF K 20 X X A/V ONE CHIP(IY01) AREA

37 CCY53 C CHIP CERA HCBK122KCA 50V X7R 1200PF K 20 X X A/V ONE CHIP(IY01) AREA

38 CCY59 C CHIP CERA HCBK473KCA 50V X7R 0.047MF K 2 X X A/V ONE CHIP(IY01) AREA

39 CCY61 C CHIP TANTAL X X HCTAH109MB 25V 1MF M 3216 A/V ONE CHIP(IY01) AREA

40 CCY96 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X A/V ONE CHIP(IY01) AREA

41 CCY97 C CHIP CERA HCBK103KCA 50V X7R 0.01MF K 20 X X A/V ONE CHIP(IY01) AREA

42 CX10 C CERA CCZB1H221K 50V B 220PF K (AXIA X X A/V ONE CHIP(IY01) AREA

43 CY38 C MYLAR X X CMXM2A472J 100V 4700PF J (TP) A/V ONE CHIP(IY01) AREA

44 CY40 C MYLAR X X CMXM2A122J 100V 1200PF J (TP) A/V ONE CHIP(IY01) AREA

45 CY41 C MYLAR X X CMXM2A222J 100V 2200PF J (TP) A/V ONE CHIP(IY01) AREA

46 CY53 C MYLAR X X CMXM2A122J 100V 1200PF J (TP) A/V ONE CHIP(IY01) AREA

47 CY59 C MYLAR X X CMXM2A473J 100V 0.047MF J (TP) A/V ONE CHIP(IY01) AREA

48 CY61 C ELECTRO CEXF1H109A 50V RSM 1MF (4X7) TP X X A/V ONE CHIP(IY01) AREA

49 CY95 C CERA CBZR1C562M 16V Y5R 5600PF M (AX CMXM2A104J 100V 0.1MF J (TP) A/V ONE CHIP(IY01) AREA

50 CY96 C MYLAR X X CMXM2A103J 100V 0.01MF J (TP) A/V ONE CHIP(IY01) AREA

51 CY97 C MYLAR X X CMXM2A273J 100V 0.027MF J (TP) A/V ONE CHIP(IY01) AREA

52 D112 DIODE ZENER DUZ9R1BM-- UZ-9.1BM 9.1V X X MAIN TUNER(U101) AREA

53 D515 DIODE ZENER X X DUZ6R2BM-- UZ-6.2BM 6.2V PB VIDEO LINE

54 D707 DIODE ZENER DUZ9R1BM-- UZ-9.1BM 9.1V X X SUB TUNER(U102) AREA

FA,PA,DA.HA,F,P,D,H ONLY

55 J040 WIRECOPPER 85801065GY AWG22 1/0.65 TIN CO X X MAIN TUNER(U101) AREA

56 J129 WIRECOPPER X X 85801065GY AWG22 1/0.65 TIN CO MAIN TUNER(U101) AREA

57 J155 WIRECOPPER X X 85801065GY AWG22 1/0.65 TIN CO MAIN TUNER(U101) AREA

58 J224 WIRECOPPER X X 85801065GY AWG22 1/0.65 TIN CO SUB TUNER(U102) AREA

59 J248 WIRECOPPER 85801065GY AWG22 1/0.65 TIN CO X X A/V ONE CHIP(IY01) AREA

60 J281 WIRECOPPER 85801065GY AWG22 1/0.65 TIN CO X X MAIN TUNER(U101) AREA

61 J283 WIRECOPPER 85801065GY AWG22 1/0.65 TIN CO X X MAIN TUNER(U101) AREA

62 J302 WIRECOPPER X X 85801065GY AWG22 1/0.65 TIN CO MAIN TUNER(U101) AREA

63 J303 WIRECOPPER X X 85801065GY AWG22 1/0.65 TIN CO MAIN TUNER(U101) AREA

64 J304 WIRECOPPER X X 85801065GY AWG22 1/0.65 TIN CO TIMER(I701) AREA

65 J305 WIRECOPPER X X 85801065GY AWG22 1/0.65 TIN CO MAIN TUNER(U101) AREA

66 L101 COIL CHOKE 58C9780027 TRF-1201B (0.97 UH) X X MAIN TUNER(U101) AREA

67 L103 COIL CHOKE 58C9780027 TRF-1201B (0.97 UH) X X MAIN TUNER(U101) AREA

68 L505 COIL PEAKING 5CPZ829K02 8.2UH K (AXIAL 3.5MM 5CPZ220K02 22UH K (AXIAL 3.5MM) SIFIN(I701#1)AREA

69 M391 BRKT EARTH 4853948400 C5212P-1/2M T0.15 X X DECK GND ASSY

70 M392 BRKT EARTH X X 4853948400 C5212P-1/2M T0.15 DECK GND ASSY

71 Q601 TR X X TKRC102M-- KRC 102-M (TAPPING) SOUND AMP IC(I601) AREA

72 QC101 TR CHIP TKTC3881-B KTC3881 X X SUB TUNER(U102) AREA

73 QC103 TR CHIP TKTC3881-B KTC3881 X X MAIN TUNER(U101) AREA

74 QC601 TR CHIP T2SC1623T2 2SC1623-L6/T2B X X SOUND AMP IC(I601) AREA

75 QCN05 TR CHIP T2SC1623T2 2SC1623-L6/T2B X X SYSCON(IN01) AREA

76 R102 R CARBON FILM RD-AZ822J- 1/6 8.2K OHM J RD-AZ392J- 1/6 3.9K OHM J MAIN TUNER(U101) AREA

77 R112 R CARBON FILM RD-AZ122J- 1/6 1.2K OHM J RD-AZ681J- 1/6 680 OHM J SUB TUNER(U102) AREA

78 R122 R CARBON FILM RD-AZ221J- 1/6 220OHM J X X SUB TUNER(U102) AREA

79 R123 R M-OXIDE FI RS02Z330JS 2W 33 OHM J SMALL X X MAIN TUNER(U101) AREA

NO LOC PART NAME JAPAN ALPS 9V TUNER(BEFORE) DECC 5V TUNER(AFTER) REMARK

S/N PART DESC. S/N PARTDESC.

80 R219 R CARBON FILM RD-AZ822J- 1/6 8.2K OHM J RD-AZ392J- 1/6 3.9K OHM J SUB TUNER(U102) AREA

81 R242 R CARBON FILM 85801065GY AWG22 1/0.65 TIN COT RD-AZ512J- 1/6 5.1K OHM J SUB TUNER(U102) AREA

82 R304 R CARBON FILM RD-4Z109J- 1/4 1 OHM J RD-2Z109J- 1/2 1 OHM J POWER ASSY VER. IC(I301)

AREA

83 R576 R CARBON FILM RD-AZ122J- 1/6 1.2K OHM J RD-AZ681J- 1/6 680 OHM J MAIN TUNER(U101) AREA

84 R738 R M-OXIDE FI RS02Z330JS 2W 33 OHM J SMALL X X SUB TUNER(U102) AREA

FA,PA,DA.HA,F,P,D,H ONLY

85 R738 R M-OXIDE FI RS02Z270JS 2W 27 OHM J SMALL RS02Z101JS 2W 100 OHM J SMALL SUB TUNER(U102) AREA LA,L

ONLY

86 RC103 R CHIP HRFT333JCA 1/10 33K OHM J 2012 X X MAIN TUNER(U101) AREA

87 RC106 R CHIP HRFT470JCA 1/10 47 OHM J 2012 X X SUB TUNER(U102) AREA

88 RC107 R CHIP HRFT122JCA 1/10 1.2K OHM J 2012 X X SUB TUNER(U102) AREA

89 RC108 R CHIP HRFT472JCA 1/10 4.7K OHM J 2012 X X SUB TUNER(U102) AREA

90 RC109 R CHIP HRFT470JCA 1/10 47 OHM J 2012 X X SUB TUNER(U102) AREA

91 RC110 R CHIP HRFT122JCA 1/10 1.2K OHM J 2012 X X SUB TUNER(U102) AREA

92 RC111 R CHIP HRFT470JCA 1/10 47 OHM J 2012 X X MAIN TUNER(U101) AREA

93 RC112 R CHIP HRFT122JCA 1/10 1.2K OHM J 2012 X X MAIN TUNER(U101) AREA

94 RC113 R CHIP HRFT472JCA 1/10 4.7K OHM J 2012 X X MAIN TUNER(U101) AREA

95 RC114 R CHIP HRFT470JCA 1/10 47 OHM J 2012 X X MAIN TUNER(U101) AREA

96 RC115 R CHIP HRFT511JCA 1/10 510 OHM J 2012 X X MAIN TUNER(U101) AREA

97 RC116 R CHIP HRFT221JCA 1/10 220 OHM J 2012 X X MAIN TUNER(U101) AREA

98 RC221 R CHIP HRFT333JCA 1/10 33K OHM J 2012 X X SUB TUNER(U102) AREA

99 RC241 R CHIP HRFT000-CA 1/10 0 OHM J 2012 X X SUB TUNER(U102) AREA

100 RC566 R CHIP HRFT561JCA 1/10 560 OHM J 2012 HRFT101JCA 1/10 100 OHM J 2012 SIFIN(I701#1)AREA

101 RC784 R CHIP X X HRFT000-CA 1/10 0 OHM 2012 MAIN TUNER(U101) AREA

102 RCJ16 R CHIP HRFT000-CA 1/10 0 OHM J 2012 X X MAIN TUNER(U101) AREA

103 RCJ45 R CHIP HRFT000-CA 1/10 0 OHM J 2012 X X MAIN TUNER(U101) AREA

104 RCL07 R CHIP HRFT333JCA 1/10 33K OHM J 2012 X X MAIN TUNER(U101) AREA

105 RCN62 R CHIP HRFT103JCA 1/10 10K OHM J 2012 X X SYSCON(IN01) AREA

106 RCY15 R CHIP HRFT681JCA 1/10 680 OHM J 2012 HRFT271JCA 1/10 270 OHM J 2012 A/V ONE CHIP(IY01) AREA

107 RCY18 R CHIP HRFT103JCA 1/10 10K OHM J 2012 HRFT182JCA 1/10 1.8K OHM J 2012 A/V ONE CHIP(IY01) AREA

108 RCY29 R CHIP HRFT303JCA 1/10 30K OHM J 2012 X X A/V ONE CHIP(IY01) AREA

109 RL07 R CARBON FILM X X RD-AZ333J- 1/6 33K OHM J MAIN TUNER(U101) AREA

110 RY27 R CARBON FILM RD-AZ473J- 1/6 47K OHM J RD-AZ333J- 1/6 33K OHM J A/V ONE CHIP(IY01) AREA

111 RY29 R CARBON FILM X X RD-AZ303J- 1/6 30K OHM J A/V ONE CHIP(IY01) AREA

112 WA01 WIRELEAD100 X X WP-0BK8017 AWG22 7/0.26 BK 10- EMC IMPROVE

113 Z203 FILTER CERA 5PMKT40MA- MKT40MA100P X X MAIN TUNER(U101) AREA

114 Z205 FILTER CERA 5PMKT41MA- MKT40MA100P X X SUB TUNER(U102) AREA

NO LOC PART NAME JAPAN ALPS 9V TUNER(BEFORE) DECC 5V TUNER(AFTER) REMARK

S/N PART DESC. S/N PARTDESC.

Exploded View ( DVT-21F1 model)

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