Samsung CXD1334 Service Manual

Samsung CXD1334 Manual

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  • Samsung CXD1334 | Service Manual - Page 1
    RECEIVER Chassis : K15D(N) Model : CT20F3FNT/XAP SERVICE Manual COLOR TELEVISION RECEIVER CONTENTS 1. Precautions 2. Specifications and IC Data 3. Disassembly and Reassembly 4. Alignment and Adjustments 5. Troubleshooting 6. Exploded View and Parts List 7. Electrical Part List 8. Block Diagram
  • Samsung CXD1334 | Service Manual - Page 2
    antennas, handle brackets, metal cabinets, screwheads and control shafts. The current measured should not exceed 0.5 milliamp servicing is done on the B+, horizontal deflection or high voltage circuits. Correct operation of the X-ray protection circuits must be reconfirmed whenever they are serviced
  • Samsung CXD1334 | Service Manual - Page 3
    operate with 85 volts AC between chassis and ground, regardless of the AC plug polarity. These units can be safely serviced only if an isolation transformer inserted between the receiver and the power source. 13. Some TV as the original might create shock, fire or other hazards. Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 4
    Precautions Precautions Warning1: First read the "Safety Precautions" section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Warning2: An electrolytic capacitor installed with the wrong
  • Samsung CXD1334 | Service Manual - Page 5
    electricity to damage an ESD. CAUTION These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. 1-4 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 6
    Specifications and IC Data 2-1 Specifications Television System: MODEL CT SYSTEM NTSC ONLY Specifications and IC Data Channels: System Band VHF UHF CABLE NTSC 2 - 13 14 - 69 1 - 125 Intermediate VHF, UHF : Telescopic dipole antenna (75 ohm unbalanced type ) 8 ohm Samsung Electronics 2-1
  • Samsung CXD1334 | Service Manual - Page 7
    ) CUSTOM REGULATOR (5V, 8V, 3.3V) 24C04 EEPROM TCET1108 / LTV817B PHOTO COUPLER ICS601 UPC1851B Sound Processor (STEREO) Remark Philips Sanyo Philips Philips FIAIR CHILD SEC NEC 2-2 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 8
    ) U4468B(Pin 16) UPC851B(Pin 42) TRANSISTOR TRANSISTOR KSC5802 KSC815-Y KSA539-Y B C E E B C IC LA7840 TDA6107Q KA7632 SAW-FILTER 1 M1864M 11 TRANSISTOR KSC2331-Y Fig. 2-1 Semiconductor Base Diagrams E C B Samsung Electronics 2-3
  • Samsung CXD1334 | Service Manual - Page 9
    updated part code through ITSELF web site. URL:http://itself.sec.samsung.co.kr 5 Samsung Electronics Exploded View & Parts List No. Code No. SCREW-TAPPING;RH,+,2,M4,L12,ZPC(BLK),SWR 1 T0081 S.N.A 1-9 AA64-03007A KNOB-CONTROL;14F3,ABS,HB,G3676,SVM-3012 1 T0022 S.N.A 1-10 6002-000512 SCREW-TAPPING;
  • Samsung CXD1334 | Service Manual - Page 10
    3. Disassembly and Reassembly 3-1 Back Cover Removal Disassembly and reassembly 1. After removing the screws, press the tension rib and pull the cabinet backwards. 2. To reassemble, press the tension rib (see diagram). Samsung Electronics 3-1
  • Samsung CXD1334 | Service Manual - Page 11
    Anode Cap, discharge the voltage through one of the heat sinks on the main board. 3-3 Speaker Removal 1. Remove the speaker by pressing the tension rib. 3-2 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 12
    3-4 CRT Removal Disassembly and reassembly 1. Spread a soft mat on the floor. Place the TV set face down. 2. Remove the 4 nuts mounting the CRT to the front cabinet. Lift the the picture tube or apply excessive pressure. Fractures of the glass may cause an implosion. Samsung Electronics 3-3
  • Samsung CXD1334 | Service Manual - Page 13
    TV for 10 seconds. 4-2 Factory/Service Mode 4-2-1 Procedure for the "Adjustment" Mode 1. This mode uses the standard remote control. The Service Mode is activated by entering the following remote-control sequence : (1) DISPLAY → FACTORY the "FACTORY" or "Power OFF" keys. Samsung Electronics 4-1
  • Samsung CXD1334 | Service Manual - Page 14
    Clipping Level 30 PWL Pe ak W hite Lim itting 31 MUS Matrix U SA 32 AGC A u tom atic G ain Control 33 DSK D y nam ic Skin Tone 34 DVDB D VD Bright O ffset RANGE 0 ~ 23 0 ~ 23 0 1 0 1 32 3 15 0 33 0 5 SETTING 19V 13V 13 13 9 9 31 31 27 27 32 32 25 25 31 31 31 31 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 15
    Bytes In the Service Mode, various can /AFN ON 10 X-RAY OFF ON 11 V-CHIP OFF TV ↔ AV 12 AV Option TV ↔ AV ↔ DVD ON 13 DEMO OFF REMARK - 800msec Mute Time(Tri-norma) - Available (U.S.A) - Unavailable (Canada) - Available (South America) - Unavailable (U.S.A) Samsung Electronics 4-3
  • Samsung CXD1334 | Service Manual - Page 16
    tube, so that external degaussing after moving the TV should be unnecessary. But the receiver must be properly degaussed upon installation. The degaussing coil operates for about 1 second after the power is switched coil to a distance of about 6 feet before removing power. 4-4 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 17
    the TV. Set the Brightness and Contrast controls to control for the clearest picture. 3. Adjust the FOCUS control Use the P mode key (on the remote control) for the STANDARD picture. 4. Adjust the the CONTRAST and BRIGHTNESS controls to maximum. 7. controls. Check for good purity in each field
  • Samsung CXD1334 | Service Manual - Page 18
    1. Set SBT to 1.2 fL in the Factory Service Mode with using CA100. See Fig. 4-4. 2. Adjust RG,BG so that the levels are suitable to each local area. (c) High-Light Adjustment 1. Set SCT to 50FL(13V : 60FL) in the Factory Service Mode with using CA100. See Fig. 4-4 . 4-6 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 19
    red and blue vertical lines in the center area of the screen. 3. Adjust the Brightness and Contrast controls for a well defined picture. 4. Adjust the two-tab pairs of the 4 pole magnets, and Magnet Movement Fig. 4-5 Center Convergence Adjustment 6-Pole Magnet Movement Samsung Electronics 4-7
  • Samsung CXD1334 | Service Manual - Page 20
    Alignment and Adjustments 4-3-9 RF AGC Adjustment Set the AGC data to 33 (Factory Mode). 4-3-10 Sub-Color Adjustment Set NSR data to 3 (Factory Mode). 4-3-11 Geometry Adjustment SC →VS→VA→VSL→HS 1. Input a lion ) so that the lion-head pattern and CRT centers are aligned. 4-8 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 21
    code through ITSELF web site. URL:http://itself.sec.samsung.co.kr 7. Electrical Parts List 7-1 CT20F3FNT/XAP Level Loc.No. Code No. Description;Specification Remark Level Loc.No. Code PC,CLR ...3 T0022 AA64-03007A KNOB-CONTROL;14F3,ABS,HB,G3676,SVM-3012 ...3 H40. ASSY LED GUIDE;-,-,UEX-LD-030,GREEN
  • Samsung CXD1334 | Service Manual - Page 22
    Electrical Parts List Level Loc.No. Code No. Description;Specification Remark Level Loc.No. Code No. Description;Specification Remark ....4 DZ016 ....4 DZ016 ....4 DZ016 ....4 DZ016 ....4 DZ016 ....4 DZ016 ....4 ,10%,50V,Y5P,TP,3 C-CERAMIC,MLC-AXIAL;1NF,10%,50V,Y5P,TP,3 7-2 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 23
    Electrical Parts List Level Loc.No. Code No. Description;Specification Remark Level Loc.No. Code No. Description;Specification Remark ....4 C689 S.N.A S.N.A S.N.A S.N.A S.N.A S.N.A S.N.A S.N.A ASSY ACCESSORY 1 M0045 AA92-08377A ASSY ACCESSORY;K15D,14/20,XAP S.N.A Samsung Electronics 7-3
  • Samsung CXD1334 | Service Manual - Page 24
    -00004A ANT ROD;CXD1334,VHF,4SDODIPOLE850MMBRN ..2 T0074 AA59-00232A REMOCON;CT20R1,SAMSUNG,BLK,TM59,25,NTSC ..2 T0152 AA68-00987A CARD WARRANTY;-,-,W/P100,-,-,-,-,-,A4,1P S.N.A ..2 T0511 AA68-02665A MANUAL USERS;ENG,W/P100(G),B5,K15D S.N.A ..2 T0511 AA68-02666A MANUAL USERS;SPA,W/P100(G),B5
  • Samsung CXD1334 | Service Manual - Page 25
    12 34 56 789 B+ OUT GND HEAT GND IK GND B- OUT G- OUT R- OUT CN601(STEREO) 1234 Wiring Diagram CN603 (M0NO) 123 POW ER CORD A/V PCB Samsung Electronics 9-1
  • Samsung CXD1334 | Service Manual - Page 26
    5-1 No Power Troubleshooting Counect the Power code Check the 12.5V-A Line Normal Abnormal Check the FD801S, D807, IC801S or AC-Fuse Check the 3.3V of IC201S Abnormal Normal Check the 122.5V- A Line Abnormal Normal Check the FBT,D805(D806) Check / Replace Q401 Samsung Electronics 5-1
  • Samsung CXD1334 | Service Manual - Page 27
    Troubleshooting 5-2 No Video (Sound OK) Check RK,GK,BK Signal Abnormal Check R,G,B Signal into CRT PCB Nornal Check IC501 B+(180V-B) Nornal ) Pin50(IK) Nornal Nornal Check/Replace D812,FBT Check CRT and FBT Nornal Re-Adjust Screen Voltage Abnormal Replace R420 5-2 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 28
    5-3 No Sound (Video OK) Troubleshooting Abnormal Checkthe signal Output from CN603 CN604 Normal Abnormal Check Speaker and Wire * STEREO Check IC601 Pin1,2, D807 Normal See No Power Normal Replace IC601 Abnormal Replace/Check IC601 Abnormal Replace FD801S,D807 Samsung Electronics 5-3
  • Samsung CXD1334 | Service Manual - Page 29
    Troubleshooting 5-4 Vertical Lines Appear or Screen Check IC301 B+ 16V-C,-13.5V-C Abnormal Normal Check IC201S Pin 21,22 (VDN,VDP) Normal Check / Replace IC301 Abnormal Check R304,R305 D301,D302 Check IC201S 5-4 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 30
    8. Block Diagram 8-1 K15D Block Diagram T UNE R -F /S TECC1040PG32A(38A) V I F SA W M1864M I 2C 12 21/22 23 24 28 MTS 2-3 I 2C E 2PROM 24C04 IC -MCU SPM -458A N 50- 53 42 33 44 H -O UT TR KSC 5386 VIDEO AC KA5Q0740RT S/W (KA5Q0765RT) VERTICAL AMP LA7840 C R RGB AMP T D A
  • Samsung CXD1334 | Service Manual - Page 31
    10. Schematic Diagrams 10-1 MAIN (1/4) Samsung Electronics TP06 TP05 TP04 TP02 TP03 TP01 Schematic Diagrams TP01 TP02 TP03 TP04 TP05 TP06 10-1
  • Samsung CXD1334 | Service Manual - Page 32
    Schematic Diagrams 10-2 MAIN (2/4) TP07 TP08 10-2 TP11 TP10 TP09 TP07 TP08 TP09 TP10 TP11 Samsung Electronics
  • Samsung CXD1334 | Service Manual - Page 33
    10-3 MAIN (3/4) TP07 TP08 Samsung Electronics Schematic Diagrams TP07 TP08 : Power Line : Signal Line 10-3
  • Samsung CXD1334 | Service Manual - Page 34
    Schematic Diagrams 10-4 MAIN (4/4) 10-4 Samsung Electronics
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Precautions
Specifications and IC Data
Disassembly and Reassembly
Alignment and Adjustments
Troubleshooting
Exploded View and Parts List
Electrical Part List
Block Diagram
Wiring Diagram
Schematic Diagrams
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COLOR TELEVISION RECEIVER
Chassis :
K15D(N)
Model
:
CT20F3FNT/XAP
SERVICE
Manual
COLOR TELEVISION RECEIVER
CONTENTS