Samsung CB3373Z5X Service Manual

Samsung CB3373Z5X Service Manual

Chassis s15a

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COLOR TELEVISION RECEIVER
COLOR TELEVISION RECEIVER
Chassis :
S15A
Model:
CB3373Z5X/XEG
CB5073Z5X/XEG
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CONTENTS

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Summary of Contents for Samsung CB3373Z5X

  • Page 1: Table Of Contents

    COLOR TELEVISION RECEIVER Chassis : S15A Model: CB3373Z5X/XEG CB5073Z5X/XEG COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustment Troubleshooting Exploded View and Parts List Electric Parts List Block Diagram PCB Layout Diagram Wiring Diagram...
  • Page 2: Precautions

    The current measured should the X–ray Protection Specifications Label, and not exceed 0.5 milliamp. Reverse the power- the Product Safety and X-ray Warning Note on plug prongs in the AC outlet and repeat the the service data schematic. test. Samsung Electronics...
  • Page 3 14. Components, parts and wiring that appear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications. Always determine the cause of damage or overheat- ing, and correct any potential hazards. Samsung Electronics...
  • Page 4 Make sure that the portion around the serviced part has not been damaged. 8. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s ground lead last. Samsung Electronics...
  • Page 5 4. Do not use freon-propelled chemicals. These unpackaged replacement ESDs. Motions such can generate electrical charges that damage as brushing clothes together, or lifting a foot ESDs. from a carpeted floor can generate enough static electricity to damage an ESD. Samsung Electronics...
  • Page 6: Specifications And Ic Data

    Black stripe, 90 degree deflection 21 Inch A51KQJ63X Power Requirements: AC 100~260V, 50/60Hz Antenna Input Impedance: VHF, UHF : Telescopic dipole antenna (75 ohm unbalanced type ) Speaker Impedance 8 ohm, 5W+5W (Dual Type) 16 ohm, 3W (Monitor Type & Dual Type) Samsung Electronics...
  • Page 7 SZM173ER W/O TTX, English/Russian SPM175EE TTX, West : English/German/French/Dutch/Italian/Spanish/Swedish East : English/Czech/Croatian/Romanian/Hungarian/Polish SPM175E TTX, English/French/Swiss SPM175ER TTX, English/Russian/Bulgarian Philips SPM175EP TTX, English/Iranian (TTX) SPM175EA TTX, English/French/Arabian SPM175EG TTX, English/Greek/Yugo IC902 24C04/KS24C040 EEPROM PC801 TCET1108 / LTV817B PHOTO COUPLER Samsung Electronics...
  • Page 8 KS24C040(Pin 8) TRANSISTOR SAW-FILTER TRANSISTOR K2971M K7252M 2SD1651 UPC574J 2SD1650 KSD5072 KSC815-Y KA33V KSD5071 KSA539-Y KSD1711 BC548 KSC5386 KTC9014 E B C TRANSISTOR TDA8133 TDA8356 KSR1012 TDA6101Q KSR1010 KA7630 KSR2010 KTD863-Y E C B Fig. 2-1 Semiconductor Base Diagrams Samsung Electronics...
  • Page 9 Disassembly and reassembly 3. Disassembly and Reassembly 3-1 Back Cover Removal 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...
  • Page 10: Disassembly And Reassembly

    2. Remove the Anode Cap from the CRT. 3. Remove the main board by pulling it with both hands. Warning: The FBT is charged with high voltage. Before removing the Anode Cap, discharge the voltage through one of the heat sinks on the main board. Samsung Electronics...
  • Page 11 Disassembly and reassembly 3-3 Speaker Removal 1. Remove the speaker by pressing the tension rib. 1. Remove the screws. 2. Remove the speaker by pressing the tension rib. Samsung Electronics...
  • Page 12 Always lift the picture tube by grasping it firmly around the faceplate, (2) Never lift the tube by its neck. (3) Do not scratch the picture tube or apply excessive pressure. Fractures of the glass may cause an implosion. Samsung Electronics...
  • Page 13: Alignment And Adjustment

    ÒFACTORYÓ or ÒPower OFFÓ keys. 3. Access the Adjustment Mode by pressing the ÒVOLUMEÓ keys ( Up or Down). The adjust- ment parameters are listed in the accompany- ing table, and selected by pressing the CHAN- NEL keys ( , ). Samsung Electronics...
  • Page 14 0 ~ 63 STEP NTSC SUB COLOR 0 ~ 23 STEP SUB TINT 1 ~ 13 STEP TTX SUB-CONTRAST 0 ~ 63 STEP 16 (Only TTX Model) NOTE : PVS,PVA, PHS, parameters must be aligned using the 50Hz vertical-field rates. Samsung Electronics...
  • Page 15 L (BIT : 0) L (BIT : 0) TDA8842, CK SYSTEM, RCA JACK SYSTEM OSD DISPLAY BYTE 0 : 11 L (BIT : 1) H (BIT : 0) L (BIT : 0) H (BIT : 0) L (BIT : 1) Samsung Electronics...
  • Page 16 PAL : 27KHz (NTSC TABLE) Others HOTEL NOT USED MUST LOW Function Required : 1. PICTURE OFF (after 15 minutes) during no signal 2. AUDIO MUTE during no signal 3. BLUE SCREEN ON/OFF 4. TIMER CLOCK ON/OFF 5. No CHILD LOCK Samsung Electronics...
  • Page 17 Function Required: 1. PICTURE OFF (after 15 minutes) during no signal. 2. AUDIO MUTE during no signal. 3. No BLUE SCREEN during no RF signal (Blue Screen during AV). 4. No TIMER. 5. No CHILD LOCK. 6. See "Detailed functions of CF". Samsung Electronics...
  • Page 18 MILD MODE CUSTOM MODE MODE MODE 90/50/50/50 100/50/75/50 90/50/75/50 60/50/50/50 90/50/50/50 Function Required : 1. PICTURE OFF (after 15 minutes) during no signal 2. AUDIO MUTE during no signal SCREEN available 3. BLUE 4. TIMER available No CHILD LOCK Samsung Electronics...
  • Page 19 PAL : 27 KHz (NTSC TABLE) Others GAME MUST = LOW Function Required : 1. PICTURE OFF (after 15 minutes) during no signal 2. AUDIO MUTE during no signal. SCREEN ON/OFF 3. BLUE 4. TIMER (CLOCK ON/OFF) CHILD LOCK ON (always) Samsung Electronics...
  • Page 20 Function Required : 1. PICTURE OFF (after 15 minutes) during no signal. 2. AUDIO MUTE during no signal. BLUE SCREEN ON/OFF. 4. TIMER (CLOCK ON/OFF). 5. No CHILD LOCK ®Ÿ SZM -173ET (16K) : Z90203 WITHOUT LINE STEREO ®Ÿ SZM -173EV (24K) : Z90234 WITH LINE STEREO Samsung Electronics...
  • Page 21 2. Arab (Middle East, Africa) : SPM-175EA : English/French/Arabian Function Required : 1. PICTURE OFF (after 15 minutes) during no signal 2. AUDIO MUTE (during no signal) 3. No BLUE SCREEN 4. No TIMER 5. No CHILD LOCK Samsung Electronics...
  • Page 22 CUSTOM MODE 90/50/50/50 100/50/50/50 75/55/50/50 60/50/50/50 90/55/25/50 Function Required :1. PICTURE OFF (after 15 minutes) during no signal. 2. AUDIO MUTE (during no signal). 3. No BLUE SCREEN. 4. No TIMER (CLOCK /OFF). 5. No CHILD LOCK 4-10 Samsung Electronics...
  • Page 23 7. Do not attempt to connect or disconnect any wires while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 8. To protect against shock hazard, use an isola- tion transformer. Samsung Electronics 4-11...
  • Page 24 STANDARD picture. 4. Adjust the Screen VR (on the FBT) so that the voltage on the oscilloscope becomes 130+2.5V (See Fig. 4-1). 130 2.5V 14, 16" :120 2.5V 20, 21" : 130 2.5V Fig. 4-1 4-12 Samsung Electronics...
  • Page 25 2. Adjust RG,BG so that the levels are suitable to each local area. (c) High-Light Adjustment 1. Set SCT to 55 FL (20Ó. 21Ó), 65 FL(14Ó.16Ó) in the Factory Service Mode with using CA100. See Fig. 4-4 Samsung Electronics 4-13...
  • Page 26 6-Pole Magnet Movement 4-Pole Magnet Movement Fig. 4-5 Center Convergence Adjustment 4-3-9 VCO Adjustment Set the vco data to 80 (Factory Mode). NOTE : For SZM-173EW and SPM-175E (Western Europe remote control), set the VCO data to 1. 4-14 Samsung Electronics...
  • Page 27 4. Fig. 4-7 4. Adjust with PSL (Vertical-Slope) so that the bottom margin of the picture is 4. Fig. 4-8 5. Adjust with PHS (Horizontal Shift) so that the lion-head pattern and CRT centers are aligned. Samsung Electronics 4-15...
  • Page 28: Troubleshooting

    5-1 No Video (Raster On, No Sound) Open the IF Pin of Tuner Measure the Check/Replace Voltage of Each Pin TU01, of TU01 Check IC901 Check/Replace Pins 39, 40 IC901, IC201 See "No Sound" See "No Video" (Video OK) (Sound OK) Samsung Electronics...
  • Page 29 Check/Replace Check IC802 IC802 (KA7630) Pin 9 (5V) Check IC901 Check/Replace Pin 16 (4V). IC901 Check IC901 Check/Replace Pin 18 ; Stand-by : 0V IC901, (µ-com). Normal : 5V Check/Replace Check IC201, Pin 40 (H-out) IC201, Q401, Q402. Samsung Electronics...
  • Page 30 Check/Replace Pin 6 (CVBS) IC201 Check IC201 Pins 19, 20, 21 Check/Replace Check IC201 IC201, Q203 pin 27 (Y-IN) Check IC501 Check/Replace on the CRT PCB IC501 Check/Replace R417, R505 (HEATER 6.3Vrms) D503 (CRT G1 pin) CRT, V999 Samsung Electronics...
  • Page 31 R812, R813 Check/Replace Check IC602 IC602 Check/Replace A/V Front assembly. 5-5 No TTX Check/Replace Check IC901 QT02, IC901 Pins 24 Check IC901 Check/Replace Pin 31,32,33,34,35 IC901 Check IC201 Check/Replace Pin 23, 24, 25, 26 IC201 See No Video Samsung Electronics...
  • Page 32: Exploded View And Parts List

    -,5073,-,ACRYL,-,-,- 3001-000003 SPEAKER 3W,16ohm,88+-2dB,180+-36Hz AA65-30107A CLAMP-D,COIL NYLON 66,V2,NTR,-,20~22 INCH,- AA60-10050R SCREW-ASSY WC,HH,+,M5,L31.5,SWRCH18A,ZPC( AA27-20003Y COIL-DEGAUSSING -,20,15.2ohm,28T,L2170,E AA03-10030T CRT-COLOR -,A48ECR41X02,+380mG,20,90deg CRT-COLOT OPTION 3704-001090 SOCKET-CRT 9P,15.24PI,26.5PI,SN,- AA64-30375D CABINET-BACK -,5038.73,-,HIPS,V2,BLK,-,- AA42-10001V ANT-ROD -,3S,620mm,BRN,UL/CSA 6002-000514 SCREW-TAPPING RH,+,2,M4,L15,ZPC(BLK),SWRCH18 AA64-60167C INLAY-BACK 33,5073,EUP,PS,T0.3,BLK,-,- AA61-20070A HOLDER-CORD -,-,PP,V0,BLK,KE-0002 Samsung Electronics...
  • Page 33: Electric Parts List

    Electric Parts List 7. Electric Parts List 7-1 CB3373Z5X/XEG (CB5073Z5X AND CB3373Z5X Dissimilar Parts) Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ASSY-PCB,MAIN(OPT) ASSY-CRT BUYER : SEG AA03-10001DCRT-COLOR;-,A34KQV42X,+380MG,14,90DEG,5 AA94-10153X ASSY-PCB,MAIN(OPT);CB3373Z5X/XEG,S15A,GERMANY,- AA27-00001AMAGNET-CONVERGENCE;-,JH225-06A,22.5MM AA27-50004X DEFLECTION-YOKE;...
  • Page 34 1203-001531 IC-POSI.FIXED REG.;7630,SIP,10P,-,PLASTIC,5.1/8V, CN501 AA39-20109B LEAD-CONNECTOR,ASSY;-,YBNH025-08,S,8P,500,1007#26 IC901 AA13-30020NIC-MCU;-,Z90234-R3816,8BIT,SDIP,CS-53 CN601 3711-002642 CONNECTOR-HEADER;BOX,3P,1R,2.5mm,STRAIGHT,SN IC902 1103-001105 IC-EEPROM;24C040,4Kx1BIT,DIP,8P,300MIL,1 CN703 3711-002648 CONNECTOR-HEADER;BOX,9P,1R,2.5mm,STRAIGHT,SN J185 2701-000114 INDUCTOR-AXIAL;10uH,10%,2.5x3.4mm CN802 AA27-20003Y COIL-DEGAUSSING;-,20,15.2ohm,28T,L2170,E JS701 3722-000183 JACK-SCART;21P,4mm,SN,BLK,NO CW901 2503-000156 C-NETWORK;100pFx4,20%,50V L102 2701-000212 INDUCTOR-AXIAL;68uH,10%,2.8x7mm D201 0401-000005 DIODE-SWITCHING;1N4148,75V,300mA,DO-35,TP L103 2701-000114 INDUCTOR-AXIAL;10uH,10%,2.5x3.4mm Samsung Electronics...
  • Page 35 2001-000472 R-CARBON;2.7KOHM,5%,1/8W,AA,TP,- R236 2003-000634 R-METAL OXIDE(S);3.9Kohm,5%,1W,AA,TP,3.3x9mm R907 2001-000995 R-CARBON;820OHM,5%,1/8W,AA,TP,- R237 2001-000793 R-CARBON;47OHM,5%,1/8W,AA,TP,- R908 2001-000232 R-CARBON;1.3KOHM,5%,1/8W,AA,TP,- R240 2001-000832 R-CARBON;510OHM,5%,1/8W,AA,TP,- R909 2001-000605 R-CARBON;3.6KOHM,5%,1/8W,AA,TP,- R241 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,- R910 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,- R242 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,- R912 2001-000924 R-CARBON;680OHM,5%,1/8W,AA,TP,- R251 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,- R916 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,- Samsung Electronics...
  • Page 36 CE06 2202-000862 C-CERAMIC,MLC-AXIAL;390pF,10%,50V,Y5P,TP,3.5x1.9,- CE07 2202-000222 C-CERAMIC,MLC-AXIAL;3.3nF,20%,16V,Y5P,TP,-,7.5 CN702 AA39-20112E LEAD-CONNECTOR,ASSY;-,YBNH025-09,67096-009,9P,300, JA702 3722-000506 JACK-RCA;2P,3.6mm,-,AG JE601 3722-000143 JACK-PHONE;1P(VER),3.4mm,AG,BLK,NO LE01 2701-000158 INDUCTOR-AXIAL;22uH,10%,2.5x3.4mm QE01 0501-000283 TR-SMALL SIGNAL;KSA539,PNP,400mW,TO-92,TP,120- RE01 2001-001153 R-CARBON(S);47OHM,5%,1/2W,AA,TP,- RE02 2001-001153 R-CARBON(S);47OHM,5%,1/2W,AA,TP,- RE03 2001-000010 R-CARBON;68KOHM,5%,1/8W,AA,TP,- RE04 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,- RE05 2001-000009 R-CARBON;20KOHM,5%,1/8W,AA,TP,- ASSY-POWER,CORD Samsung Electronics...
  • Page 37: Block Diagram

    TO µ-COM B + 5V HEAT TO CRT 14" FSV-14A001 POWER-CORD DIODE-BRIDGE TO 1CHIP B + 8V D2SB60 TO B + 5V TUNER PRE AMP SAW SWITCHING SWITCH MULTI TO TTX B + 5V REGULATOR U-COM KA7630 16.5V TO TDA8356 HDT B Samsung Electronics...
  • Page 38: Pcb Layout Diagram

    DA01 Q903 DA02 Q904 DN03 Q905 DT01 Q906 DT02 Q907 DT03 Q908 DZ201 QA01 DZ202 QE01 DZ203 QL01 DZ204 QN01 DZ205 QN02 DZ208 QN05 DZ301 QT02 DZ302 QT03 DZ401 DZ501 DZ502 DZ503 DZ504 DZ701 DZ702 DZ703 DZ704 Samsung Electronics 10-1...
  • Page 39: Wiring Diagram

    SOUND L IN SOUND L OUT SOUND R IN SOUND R OUT CN602 FRONT VIDEO IN L + OUT L - OUT 21 PIN VIDEO IN R - OUT R + OUT 21 PIN AUDIO IN FRONT AUDIO OUT Samsung Electronics 10-1...
  • Page 40: Schematic Diagrams

    @ @ @ @ @ ? @ @ @ @ @ ? ? @ @ @ @ @ ? ) X ? g @ ? ? @ e ? @ ) X g @ ? : Power Line : Signal Line Samsung Electronics 11-1...
  • Page 41 @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? : Power Line : Signal Line 11-2 Samsung Electronics...
  • Page 42 @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ ? : Power Line : Signal Line Samsung Electronics 11-3...
  • Page 43 ? @ @ ? f 7 @ e @ 1 e 7 @ e @ 1 e @ @ e @ @ h e @ @ e @ @ ? @ @ ? @ @ ? @ @ ? N @ @ @ H ? @ ? ? @ : Power Line : Signal Line 11-4 Samsung Electronics...
  • Page 44 @ @ L ? V 4 @ @ e V 4 @ @ 0 Y e @ @ f @ @ ? @ @ ? ? @ @ ? ? @ @ ? @ @ ? @ @ @ @ @ @ ? V 4 @ @ @ H ? V 4 @ @ 0 Y ? @ @ ? V 4 ) ? V 4 @ @ @ 0 Y e 7 @ H ? e ? V 4 @ @ 0 Y ? h e @ ? : Power Line : Signal Line Samsung Electronics 11-5...
  • Page 45 @ ? e @ ? h f @ @ e ? @ @ ? @ ? e @ ? h f @ @ e ? @ @ ? @ ? e @ ? h f @ @ e ? @ @ ? : Power Line : Signal Line 11-6 Samsung Electronics...
  • Page 46 ELECTRONICS © Samsung Electronics Co., Ltd. NOV.1998 Printed in Korea 3S15A-7348...

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