Daewoo DTQ-14N2FC Service Manual Download | Manualshive

Page: 41 / 43

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LOC

14

20

C406

1.6KV 602

1.6KV 822

C408

200V 474

200V 514

L401

L-76

R901 12

OHM

7OHM

R408

1W 2.7K

R412

1W 3.6(F)

1W 3.9 (F)

R409 1W

5.6K

C409 160V

1u

J027 INSERT

R420 240K(1/2)

160K(1/2)

D402 BYD33G

- 42 -

R701 : ADD 10K
R706 : ADD 10K
RA01 : ADD 1K
RA02 : ADD 75
RA04 : ADD 1W 4.7(F)
RA05 : ADD 56(1/4)
RA06 : ADD 5.6M(1/2)
RA07 : ADD 100
R538 : ADD 1K
R543 : ADD 510
R544 : ADD 620
TA01 : ADD TAV-12A1
J068.J007.J022.J043.J051.J055.J064. : ADD
J067 : DELETE
JA01 : ADD JACK PHONO
IA01 : ADD IC AV
Q504 : ADD 3198
Q702 : ADD 3198

C107 : ADD 50V 4.7u
C506 : ADD 50V 10u
C510 : ADD 50V 22u
CA01 : ADD 50V 10u
CA02 : ADD 50V 10u
CA03 : ADD 25V 220u
CA04 : ADD 25V 220u
CA05 : ADD 500V 102
CA06 : ADD 25V 100u
CA08 : ADD 25V 47u
CA09 : ADD AC400V 222
CA10 : ADD 50V 100p
CA12 : ADD 25V 103
DA01 : ADD BYD33G
D713 : ADD IN4148

CN-115I AV OPTION

CN-115I 14 /20

OPTION(MAIN PCB)

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Summary of Contents for DTQ-14N2FC

Page 1: ...ervice Manual Color Television DAEWOO ELECTRONICS CO LTD CHASSIS CN 115I NTSC M SYSTEM MODEL DTQ 14N2FC FS FSP DTQ 20N2FC FS FSP DTQ 14J2FC FS FSP DTQ 20J2FC FS FSP DTQ 14N3FC FS FSP DTQ 20N3FC FS FSP...

Page 2: ...hematic Diagram with Waveforms 29 Parts List 30 Option List 40 POWER INPUT FC SERIES AC 120V 60Hz FS SERIES AC 85V AC 150V 60Hz FSP SERIES AC 220V 50Hz 60Hz POWER RATING 14 MODELS 60W 20 MODELS 70W IN...

Page 3: ...ERS IS THE PICTURE TUBE HOWEVER THIS TUBE DOES NOT EMIT X RAYS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERATION AT HIGHER VOLTAGE...

Page 4: ...etc and the exposed metalic parts one at a time Measure the A C voltage across the combination of 1500 ohm resistor and 0 15 MFD capacitor Reverse the A C plug and repeat A C voltage measurements for...

Page 5: ...e to heat duct or in the path of heated air flow 2 Avoid conditions of high humidity such as Outdoor patio installations where dew is a factor Near steam radiators where steam leakage is a factor etc...

Page 6: ...6 CONTROL VIEW F CONNECTOR 300 OHM 75 OHM COUPLING TRANSFORMER VHF 75 FROM 75 OHM VHF ANTENNA WITH CABLE OR CABLE TV SYSTEM POWER Remote Control receiver MENU VOL CH...

Page 7: ...on your TV or to select items in the menu system 3 VOL Use these buttom to change your TV s volume to activate selections in the menu system or to change audio and video settings 4 MENU Use this butto...

Page 8: ...t always be certain that all the protective devices are put back in place such as nonmetallic control knobs insulating covers shields isolation resistor capacitor network etc 4 Before returning the se...

Page 9: ...OL CONTROL LC864612A MICOM YS R G B OSD V SYNC H SYNC PIF SIF AGC AFT SOUND DEC VIDEO AMP VIDEO AUDIO IN CHROMA AMP OSD INPUT DEF AFC H V OUT AFT E D C PLL IC RF AGC Z101 SAW FILTER U101 TUNER CONT BR...

Page 10: ...ADIATION protection circuit must be tested for proper operation as follows 1 Operate receiver for at least 15 minutes at 120V AC line 2 Adjust all customer controls for normal picture and sound 3 Shor...

Page 11: ...efore attempting any purity adjustments the receiver should be operated for at least 15 minutes 1 Demagnetize the picture tube with a degaussing coil 2 Adjust the CONTRAST and BRIGHTNESS controls to m...

Page 12: ...n figure 2 temporarily Do not remove cover paper on adhesive part of the wedge 3 Tilt front of the deflection yoke up or down to obtain better convergence in circumference See Fig 4 Push the mounting...

Page 13: ...eceiver TEST EQUIPMENT Digital voltmeter National Model VP 2600A or equivalent Oscilloscope Tektronix Model 2215A or equivalent Direct Low capacity probe Tektronix Model P6120 or equivalent Accessory...

Page 14: ...02 F B T CHECK ALL THE POINTS THEN CHANGE IC701 CHECK Q402 COLLECTOR D406 D403 IC701 NORMAL 5V RESET 0V 12V CHECK 12V LINE Q706 RESET IF 26 NORMAL NO OUTPUT AT 23 THEN CHANGE IC501 CHECK TP7 MAIN B LI...

Page 15: ...G CHECK 180V KINE D404 Q501 VIDEO Q504 CONTRAST BRIGHT CHECK C530 R522 SUB BRIGHT CHECK 9V LINES 11 14 C530 0 1 M AGC PIN 4 D505 ABL CHECK CONTROL MAX VOLTAGES 39 7 5V 31 6 2V 9V 5V VT 33V U001 TUNER...

Page 16: ...MAX 7VDC MIN 1VDC CHECK CONNECTOR P601 IC701 LC864616A CHECK 9VDC LINE LOW PASS FILTER I601 KA2201 SP01 SPEAKER DISCONNECT LOAD CHECK FOR SND PWM SIGNAL IF MISSING REPLACE IC 701 SOUND TAKEOFF NO OUT...

Page 17: ...T SIGNAL CONDITIONS BAD CH DON T STOP G LOSS OF SIGNAL OR WEAK SIGNAL IF OUTPUT CHECK AFT WINDOW VTG 1 6V 3 4V ADJUST RF AGC R113 U001 TUNER IC701 LC864616A H NO SIGNAL L SIGNAL S D SIGNAL DETECTION A...

Page 18: ...Y 180V LINE G Y B Y CHECK 9VDC CHECK CRYSTAL CHECK CONNECTOR PA901 IC501 LA7674 IC501 LA7674 Q901 R G B Q902 Q903 41 36 42 12 13 14 18 19 20 21 14 12 2 4 8 28 11 FS FC CHECK 9VDC CHECK VERT OUT IC301...

Page 19: ...REMOCON SENSOR ON SCREEN DISPLAY DOES NOT OPERATE IC701 CHECK FOR 60Hz OSC CHECK R G B BL CHANGE R G B BL IF OSD DOES NOT OPERATE CHANGE IC701 CHECK FOR 15 734Hz VS HS GND 5V OUT CHECK WAVE FORM IC70...

Page 20: ...S SEP V OUT H DET 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 LOCK DET VIDEO AMP FM DET AFT FM DET VIF AMP LIM AMP RF AGC ACC KILL ER IF AGC APC VCO TINT SHARP SOFT V...

Page 21: ...AN1 15 P92 AN2 16 RESET 17 FILT 18 CVIN 19 VS 20 HS P07 42 POWER O 21 R 22 G 23 B 24 BL 25 PWM0 VOLUME 26 PWM1 SHARPNESS 27 PWM2 TINT 28 PWM3 COLOR 29 PWM4 BRIGHTNESS 30 PWM5 CONTRAST 31 P70 INT0 AC 6...

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Page 29: ...HIPS BK M2011 48558T0660 LABLE CRT CAUTION PAPER YW 73 33 14 20300 PSSPPW0002 SPEAKER AS DTQ 14N2FC PA601 4850703S11 CONN AS YH025 03 YST025 USW 200 SP01 4858312310 SPEAKER SP 5090F04 29000 PSMPMS000...

Page 30: ...H102K C CERA 50V B 1000PF K AXIAL C902 CCZB1H102K C CERA 50V B 1000PF K AXIAL C903 CCZB1H102K C CERA 50V B 1000PF K AXIAL C905 CCZB1H102K C CERA 50V B 1000PF K AXIAL D101 DUZ9R1BM DIODE ZENER UZ 9 1BM...

Page 31: ...E COPPER AWG22 1 0065 TIN COATING J025 85801065GY WIRE COPPER AWG22 1 0065 TIN COATING J026 85801065GY WIRE COPPER AWG22 1 0065 TIN COATING J027 85801065GY WIRE COPPER AWG22 1 0065 TIN COATING J028 85...

Page 32: ...PZ150K02 COIL PEAKING 15UH 3 5MM K LAL02TB L502 5CPZ560K02 COIL PEAKING 56UH 3 5MM K LAL02TB L503 5CPZ820K02 COIL PEAKING 82UH 3 5MM K LAL02TB L504 5CPZ100K02 COIL PEAKING 10UH 3 5MM K LAL02TB R110 RD...

Page 33: ...R CARBON FILM 1 6 430 OHMJ R521 RD AZ272J R CARBON FILM 1 6 2 7K OHMJ R523 RD AZ152J R CARBON FILM 1 6 1 5K OHMJ R524 RD AZ561J R CARBON FILM 1 6 560K OHMJ R525 RD AZ244J R CARBON FILM 1 6 240K OHMJ...

Page 34: ...4K OHMJ R743 RD AZ243J R CARBON FILM 1 6 10K OHMJ R745 RD AZ103J R CARBON FILM 1 6 91K OHMJ R746 RD AZ913J R CARBON FILM 1 6 1K OHMJ R747 RD AZ102J R CARBON FILM 1 6 1K OHMJ R748 RD AZ102J R CARBON FI...

Page 35: ...RA 500V SL 10PF D TAPPING C306 CEXD1H229Q C ELECTRO 50V RT 2 2MF 6 3 11 TP C308 CEXF1E470V C ELECTRO 25V RSS 47MF 5 11 TP C401 CEXF1H109V C ELECTRO 50V RSS IMF 5 11 TP C402 CEXF1H109V C ELECTRO 50V RS...

Page 36: ...V B 4700PF K TAPPING C821 CMXB1H223J C MYLAR 50V EU 0 022MF J F801A 4857415001 CLIP FUSE PFC5000 0702 F801B 4857415001 CLIP FUSE PFC5000 0702 L901 5CPX181J COIL PEAKING 180UH J RADIAL Q201 TKTA1266Y T...

Page 37: ...2J C MYLAR 630V PL 2700PF J C904 CCYB3D102K C CERA SKV B 1000PF K D801 DPBS208GU DIODE BRIDGE PBS208GU CA F801 5F1GB4021M FUSE GLASS TUBE UL CSA MF51 4A 125V NM I301 1LA7837 IC LA7837 I301A 4857027101...

Page 38: ...S801 DSVC271D14 VARISTOR SVC271D14A SCT1 4859302430 SOCKET CRT 1SMM03 SW90 5S40403035 SW LEVER JRS 1301 T401 50D0000022 TRANS DRIVE HD 15D T402 50H0000176 FBT 1401SPND T801 50M2519A1 TRANS SMPS TSM 25...

Page 39: ...WITH AV WITH AV ANTENNA 14 20 14 20 14 20 LOC FC AC 120V FS AC 85 150V FSP AC 220V PCW1 4859903610 POLARITY 4859902710 NON POLARITY 4859900910 220V TYPE F801 125V 4A 125V 4A 250V 4A RS801 SVC271 SVC2...

Page 40: ...21 223 M R806 390K 1 2 390K 1 2 390K 1W CRT A34JLL40X A34JLL40X A34JLL41X A48KZL90X LW A48JLL40X A48JLL41X A48KZL70X LW A48KZL90X LW MEXICO A48KZL70X LW MEXICO D COIL DC 1400 DC 2000 DC 1400 DC 2000 D...

Page 41: ...2 RA07 ADD 100 R538 ADD 1K R543 ADD 510 R544 ADD 620 TA01 ADD TAV 12A1 J068 J007 J022 J043 J051 J055 J064 ADD J067 DELETE JA01 ADD JACK PHONO IA01 ADD IC AV Q504 ADD 3198 Q702 ADD 3198 C107 ADD 50V 4...

Page 42: ...ENGINEER NOTE...

Page 43: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 F A X 02 364 5588 5305 T E L 02 360 7360 4 7315 7 PRINTED DATE NOV 1996 S M NO CN115N 010...

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