Samsung CB3373Z5X, Service Manual

Page 1: ...OR 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 Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 11 ...

Page 2: ...ts metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test Fig 1 1 AC Leakage Test 6 Antenna Cold Check With the unit s AC plug disconnected from the AC source connect an electrical jumper across the two AC prongs Connect one lead of the ohmmeter to an AC prong Connect the other lead to the ...

Page 3: ...t 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 15 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of p...

Page 4: ...ssible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Neve...

Page 5: ...trical charges that damage ESDs 5 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 6 Use only an anti static solder removal device Many solder removal devices are not rated as anti static these can accumulate sufficient electrical charge to damage ESDs 7 Do not remove a replacement ESD from its protective package until you are ready to install it Most replacement ESDs are ...

Page 6: ...ure IF Carrier Sound IF Carrier Color Sub Carrier PAL SECAM D K 1 13 21 69 PAL SECAM D K SECAM K1 38 90 32 40 34 47 SECAM K1 PAL D 2 9 13 57 PAL I 38 90 32 90 34 47 MODEL CI CII CX CK CW CS 14 Inch 20 Inch 21 Inch AC 100 260V 50 60Hz VHF UHF Telescopic dipole antenna 75 ohm unbalanced type 8 ohm 5W 5W Dual Type 16 ohm 3W Monitor Type Dual Type SYSTEM PAL I UHF PAL I VHF UHF PAL B G SECAM B G PAL B...

Page 7: ...ZM173ET W O TTX English Thai SZM173EW W O TTX English German French Dutch Italian Spanish Swedish Yugo Greek Croatian SZM173EE W O TTX English Romanian Hungarian Polish Czech Bulgarian SZM173ER W O TTX English Russian SPM175EE TTX West English German French Dutch Italian Spanish Swedish East English Czech Croatian Romanian Hungarian Polish SZM173EV W O TTX English Vietnamese Indonesian Malay IC902...

Page 8: ...42 X24CO4P Pin 8 SAA5291 Pin 52 TDA9859 Pin 32 KS24C040 Pin 8 IC TRANSISTOR TDA8133 TDA8356 TDA6101Q KA7630 TRANSISTOR TRANSISTOR 2SD1651 2SD1650 KSD5072 KSD5071 KSD1711 KSC5386 B C E E B C KSC815 Y KSA539 Y BC548 KTC9014 IC UPC574J or KA33V SAW FILTER E C B KSR1012 KSR1010 KSR2010 KTD863 Y 1 1 1 K2971M K7252M Fig 2 1 Semiconductor Base Diagrams ...

Page 9: ...reassembly Samsung Electronics 3 1 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 ...

Page 10: ...Separate the socket board from the CRT neck 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 ...

Page 11: ...3 3 Speaker Removal Disassembly and reassembly Samsung Electronics 3 3 1 Remove the speaker by pressing the tension rib 1 Remove the screws 2 Remove the speaker by pressing the tension rib ...

Page 12: ...RT to the front cabi net Lift the CRT 3 Caution Because of the high vacuum and large surface area of the picture tube be careful while handling it 1 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 ...

Page 13: ... last step 2 If the EEPROM or CRT is replaced set PVA to 45 factory mode and set SC as follows 14 16 inch 0 20 inch 10 21 inch 12 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 SLEEP FACTORY 2 STAND BY DISPLAY P STD MUTE POWER ON 2 The ÒSERVICE FACTORY Ó ...

Page 14: ... 23 STEP 1 13 STEP 0 128 STEP 0 1 STEP 1 For East Europe 0 63 STEP 0 63 STEP 16 Only TTX Model 0 7 STEP 0 3 STEP OSD ABBREVIATION AGC SBT SCT SCR RG GG BG PSL PVS PVA PHS NSR STT VCO SC TSS CDL BLU FUNCTION AUTO GAIN CONTROL SUB BRIGHT SUB CONTRAST SUB COLOR RED DRIVE GAIN GREEN DRIVE GAIN BLUE DRIVE GAIN PAL VERTICAL SLOPE PAL VERTICAL SHIFT PAL VERTICAL AMPLITUDE PAL HORIZONTAL SHIFT NTSC SUB CO...

Page 15: ...s accessed in the factory by twice pressing the ÒSLEEP FACTORY FACTORY Ò key then white pattern will be displayed Even if the TV power is cut off the Aging Mode is not cancelled The aging mode is cancelled by repressing the ÒFACTORYÓ key or pressing the local ÒCH UP DOWNÓ keys 4 2 4 Option Bytes In the Service Mode various can be selected via the Option Bytes 8 bits each Example NON TTX MICOM ONLY...

Page 16: ...o Auto Power On Auto Power On D2 NTSC 25K Hz NTSC TABLE PAL 50K Hz PAL TABLE NTSC 25KHz NTSC TABLE PAL 27KHz NTSC TABLE D1 NOT USED MUST LOW D0 D2 D1 COLOR SYSTEM SOUND SYSTEM Remark 0 0 CK AUTO NO OSD B G D K German Army CS 0 1 CW RF AUTO PAL SECAM NT4 43 A V AUTO PAL SECAM NT4 43 NT3 58 B G D K I 1 0 CD RF AUTO PAL NT4 43 A V AUTO PAL NT4 43 NT3 58 D K I 1 1 CS RF AUTO PAL SECAM NT4 43 NT3 58 A ...

Page 17: ...Auto Power On Auto Power On D2 NTSC 25 KHz NTSC TABLE PAL 50 KHz PAL TABLE NTSC 25KHz NTSC TABLE PAL 27KHz NTSC TABLE F rance Swiss H IG H O thers L O W D1 PAL SECAM SECAM L France Swiss only HIGH SZM 173EW only D0 MUST LOW D2 D1 SOUND SYSTEM COLOR SYSTEM Destination 0 0 B G D K CK MODEL AUTO NO OSD Eastern Europe France Swiss 0 1 I ONLY NO OSD CI CII MDL United Kingdom 1 0 B G ONLY NO OSD CB CX M...

Page 18: ...TDA6108 RGB AMP Sharpness level up when using the TDA6107Q AMP D3 No Auto Power On Auto Power On D2 NTSC 25 KHz NTSC TABLE PAL 50 KHz PAL TABLE NTSC 25 KHz NTSC TABLE PAL 27 KHz NTSC TABLE D1 D0 Function Required 1 PICTURE OFF after 15 minutes during no signal 2 AUDIO MUTE during no signal SCREEN available 4 TIMER available 5 P STD Classification CON BRI SHAR COL STANDARD MODE DYNAMIC MODE MOVIE M...

Page 19: ...D2 NT SC 25 KH z NTSC T A B LE P A L 50 KH z PAL T A B LE NTSC 25 KHz NTSC TABLE PAL 27 KHz NTSC TABLE D1 D0 D2 D1 COLOR SYSTEM SOUND SYSTEM 0 0 CK AUTO NO OSD B G D K 0 1 CW RF AUTO PAL SECAM NT4 43 A V AUTO PAL SECAM NT4 43 NT3 58 B G D K I 1 0 CB RF PAL ONLY A V AUTO PAL NT4 43 NT3 58 B G ONLY NO OSD 1 1 CS RF AUTO PAL SECAM NT4 43 NT3 58 A V AUTO PAL SECAM NT4 43 NT3 58 B G D K I NT M Destinat...

Page 20: ...UTO PAL NT4 43 NT3 58 B G ONLY NO OSD Indonesia Thailand India 1 1 CS RF AUTO PAL SECAM NT4 43 NT3 58 A V AUTO PAL SECAM NT4 43 NT3 58 B G D K I NT M Vietnam Malaysia SZM 173ET 16K Z90203 WITHOUT LINE STEREO SZM 173EV 24K Z90234 WITH LINE STEREO 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 ...

Page 21: ...Hz NTSC TABLE PAL 50 KHz PAL TABLE NTSC 25 KHz NTSC TABLE PAL 27 KHz NTSC TABLE D1 MUST HIGH D0 D2 D1 COLOR SYSTEM SO U ND SY ST E M R emar k 0 0 CK AUTO NO OSD B G D K No sou nd system in the A V M O D E 0 1 CW RF AUTO PAL SECAM NT4 43 A V AUTO PAL SECAM NT4 43 NT3 58 B G D K I 1 0 CB RF PAL ONLY NO OSD A V AUTO PAL NT4 43 NT3 58 B G O NL Y NO O SD 1 1 CS RF AUTO PAL SECAM NT4 43 NT3 58 A V AUTO ...

Page 22: ...T A B LE P A L 50K H z P A L T A B LE NT SC 25K H z NT SC T A B LE P A L 27K H z NT SC T A B LE ALL RF VOL CURVE BASIC LOW D1 MUST LOW D0 D2 D1 SOUND SYSTEM COLOR SYSTEM Remark 0 0 B G D K CK MODEL AUTO NO OSD No SOUND SYSTEM in the A V Mode 0 1 I ONLY NO OSD CI CII MODEL 1 0 B G ONLY NO OSD CB CX MODEL 1 1 NOT USED Destination Application MICOM BYTE 0 BYTE 1 LANGUAGE MP OPTION BYTE United Kingdom...

Page 23: ...isconnected before replacing any parts 8 To protect against shock hazard use an isola tion transformer 4 3 2 Automatic Degaussing A degaussing coil is mounted around the pic ture 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 sec ond after the power is switched ON If t...

Page 24: ...tor PM5518 3 Use the P mode key on the remote control for the 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 4 3 6 Purity Adjustment 1 Warm up the receiver for at least 20 minutes 2 Plug in the CRT deflection yoke and tighten the clamp screw 3 Plug the convergence yoke into the CRT and set in as shown in Fig 4 2 4 Input a bla...

Page 25: ...31m m Vertical Green Belt Fig 4 4 1 2 a Set up 1 Warm up the TV for at least 30 minutes in the Aging Mode OSD White This mode is dis played by entering the following sequence SLEEP FACTORY FACTORY 2 Input a Toshiba pattern b Low Light Adjustment 1 Set SBT to 1 3 0 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 ...

Page 26: ...tant and superimpose the red and blue horizontal line in the center of the screen 6 Adjust the two tab pairs of the 6 pole magnets to superimpose the red and blue line onto the green Changing the angle affects the vertical lines and rotating both magnets affects the horizontal lines 7 Repeat adjustments 2 6 if necessary 8 Since the 4 pole magnets and 6 pole magnets interact the dot movement is com...

Page 27: ...Ó and PVA 40 so that the lion head circle becomes oval 3 Adjust with PVS Vertical shift so that the top margin of the picture is 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 Fig 4 9 6 Adjust PHS using the width coil so that the left and right margins of t...

Page 28: ... 5 Troubleshooting 5 1 No Video Raster On No Sound Yes No Open the IF Pin of Tuner Check Replace TU01 No Measure the Voltage of Each Pin of TU01 Check IC901 Pins 39 40 See No Video Sound OK See No Sound Video OK Check Replace IC901 IC201 Yes ...

Page 29: ... No Check the 125V 13 0V B Lines Check IC802 Pin 9 5V Check Replace IC801 D801 F802 Check Replace IC802 KA7630 Check IC901 Pin 18 Stand by 0V Normal 5V Check Replace IC901 Check IC901 Pin 16 4V Check Replace IC901 µ com Check IC201 Pin 40 H out Check Replace IC201 Q401 Q402 ...

Page 30: ...eck IC201 Pin 6 CVBS Check Replace IC201 Check IC201 Pins 19 20 21 Check IC201 pin 27 Y IN Check Replace IC201 Q203 Check IC501 on the CRT PCB Check Replace IC501 Check Replace R417 R505 HEATER 6 3Vrms D503 CRT G1 pin CRT V999 Yes No Check IC201 Pin 12 37 8V Check Replace IC802 KA7630 ...

Page 31: ... IC201 Check IC602 Pin 4 B 10 12 5V Check Replace Q903 Q907 Check IC602 Check Replace IC602 Check IC602 Pins 1 7 0V Check Replace R812 R813 Yes Yes No Yes Yes 5 5 No TTX No No See No Video Check IC901 Pin 31 32 33 34 35 Check Replace QT02 IC901 Check IC201 Pin 23 24 25 26 Check Replace IC201 Check IC901 Pins 24 Check Replace IC901 Yes No Yes Yes ...

Page 32: ... HB 1 9 AA61 60003T SPRING CS SUS304 0 5 OD7 H13 5 N5 1 10 AA63 50095A GRILLE WOOFER 5073 PA110 PI0 6 SECC T0 5 1 11 AA64 10039A KNOB CONTROL 5073 ABS HB BLK 1 12 AA64 40182A INDICATOR LED 5073 ACRYL 1 13 3001 000003 SPEAKER 3W 16ohm 88 2dB 180 36Hz 1 14 AA65 30107A CLAMP D COIL NYLON 66 V2 NTR 20 22 INCH 4 15 AA60 10050R SCREW ASSY WC HH M5 L31 5 SWRCH18A ZPC 4 16 AA27 20003Y COIL DEGAUSSING 20 1...

Page 33: ...2401 003028 C AL 100uF 20 25V WT TP 6 3x11 5 C304 2401 000903 C AL 22uF 20 160V WT TP 10x20mm 5m C305 2305 000178 C FILM MPEF 10nF 5 100V TP 5mm C306 2305 000285 C FILM MPEF 220nF 5 100V TP 20x18x11 5 15 C307 2305 000708 C FILM MPEF 150nF 5 100V TP 16 5x10 3x5 7 Electric Parts List Samsung Electronics 7 1 7 1 CB3373Z5X XEG CB5073Z5X AND CB3373Z5X Dissimilar Parts ASSY PCB MAIN OPT BUYER SEG AA94 1...

Page 34: ...DE SWITCHING 1N4148 75V 300mA DO 35 TP D205 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D208 2001 000633 R CARBON 30KOHM 5 1 8W AA TP D209 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D210 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D211 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D401 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 TP D402 0402 000132 DIODE...

Page 35: ...OHM 5 1 8W AA TP R252 2004 001914 R METAL 39Kohm 2 1 8W AA TP 1 8x3 5mm R262 2001 000429 R CARBON 1KOHM 5 1 8W AA TP R301 2004 001983 R METAL 2 49Kohm 1 1 2W AA TP 2 4x6 4 R302 2008 001033 R FUSIBLE S 10ohm 5 2W AF TP 3 9x10mm R303 2001 000273 R CARBON 100KOHM 5 1 8W AA TP R305 2004 001370 R METAL S 1 3ohm 1 1 2W AA TP 2 4x6 4mm R306 2008 000254 R FUSIBLE S 0 68ohm 5 2W AF TP 3 9x10mm R307 2003 00...

Page 36: ...0 170gf 7 5x7mm SPST SW904 3404 000244 SWITCH TACT 15V 20mA 90 170gf 7 5x7mm SPST SW905 3404 000244 SWITCH TACT 15V 20mA 90 170gf 7 5x7mm SPST T401 AA26 50001BHORIZ DRIVE 7 1mH 102uH 10 20uH YL081 ST T444 AA26 30001YTRANS FLYBACK FSV 20A001 20 125V T801 AA26 20007QTRANS SWITCHING 180 260V 125V 12 5V EN EER28 TU01 AA40 10006P TUNER V S TECC0949VG28B S PAL B G TR 18 TUBE AA39 20567ALEAD CONNECTOR AS...

Page 37: ...UND IC B 12 5V TO µ COM B 5V FBT 20 FSV 20A001 21 14 FSV 14A001 SOUND AMP 1CH x 3W TDA7056B OPTION SPEAKER 16R x 1EA SOUND AMP TDA7057AQ 4W x 2CH TDA7056B 3WX2CH VERTICAL AMP TDA8356 RGB AMP TDA6107Q H OUT TR KSC5386YD CRT FBT B 125V SWITCH MULTI REGULATOR KA7630 TO 1CHIP B 8V SPEAKER 8R x 2EA or 16R x 2EA BPF 4 5MHz NTSC SIF NTSC PAL I2C BUS MONO SPEAKER DUAL SPEAKER CD CB CK MODEL DELETE Z90203 ...

Page 38: ...205 114 162 DZ208 154 189 DZ301 122 84 DZ302 54 81 DZ401 45 145 DZ501 34 221 DZ502 41 230 DZ503 48 238 DZ504 51 238 DZ701 35 118 DZ702 35 121 DZ703 25 125 DZ704 76 221 DZ705 46 118 DZ802 153 218 DZ803 107 57 DZ804 158 34 DZ806 142 211 DZ807 169 30 DZ808 175 17 DZ809 173 8 DZ901 117 200 DZ902 207 132 DZ903 232 179 DZ905 222 163 DZ907 201 100 DZ908 232 82 DZ909 127 113 HC101 59 172 IC201 86 141 IC30...

Page 39: ...2 3 4 5 6 7 8 SOUND L IN SOUND L OUT SOUND R OUT FRONT VIDEO IN GND 21 PIN VIDEO IN GND CRT PCB POWER CORD 1 2 3 4 5 CUT OFF G OUT R OUT B OUT GND 1 2 3 4 R OUT L OUT R OUT L OUT CN501B CN602 CN701 9 10 11 SOUND R IN GND FRONT AUDIO OUT 21 PIN AUDIO IN 6 7 8 HEAT 180V GND ...

Page 40: ...H 3 N 31 f e e hN e fI 1e J 5e V4 6X he N 3 L J 5 I X 3 5 hJ 3 5 N e 7 Hg 1 he 3 V KO Y eN 1 N H 6KO 5 3 5 N H 3 e 5eJ 5 e 6K 5 he J V4 V4 0Y e e e V4 0Y N 0Y e e V4 0Ye7 H e V4 0Y he M M e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e e f e f e f e f e f e f e f e f e f e f e f e f ...

Page 41: ... L J H N L J H N L J H N Lhe f 75 3Lhe f 75 31he e 75 31he f 75 31he f 75 31he H N1 H N L H N L H N H N he 31 f 1 he J L J N J J L J L h 75 31 75 f75 3 75 31 75 31 h e J H N Lh e J H Lh J H N Lh e J H N Lh e J H N Lh 7 31 75 31 e 75 31 75 31 75 31h N L H N H N L H N H N h 5 1 e 1 h J H J L J J L J L g e75 3 g e75 31 g 75 3 g e75 31 g e75 31 g J H N L J H N L H N L J H N L J H N Lg 7 31 7 31 e 31 7...

Page 42: ...N L J H N L J H N L J H N Lhe f 75 3Lhe f 75 31he e 75 31he f 75 31he f 75 31he H N1 H N L H N L H N H N he 31 f 1 he J L J N J J L J L h 75 31 75 f75 3 75 31 75 31 h e J H N Lh e J H Lh J H N Lh e J H N Lh e J H N Lh 7 31 75 31 e 75 31 75 31 75 31h N L H N H N L H N H N h 5 1 e 1 h J H J L J J L J L g e75 3 g e75 31 g 75 3 g e75 31 g e75 31 g J H N L J H N L H N L J H N L J H N Lg 7 31 7 31 e 31 ...

Page 43: ...hf 7 5hf he 75 hf 7 5 hf 7 5 hf 7 f J H L J H hf J HhfJ L J H hf J H he J L L e e e f e f e f e f e 75 e f e f e f e f e f e f e 7 5e e f f e f e f e f e f e7 e e f 1 f e f e f e e f 75 f e e3 e f e f e f e f e e 7 5e f e 1e e f e f e f e e e e f e f e f e f e f e f e e e f e f e f e N J H H H L J J H N H H J L N f 75 3L 5 1 7 h 7 5 7 31 5 31 f L J H N1 J H J J J H J N H N f 1 75 75 3 7 5 h7 75 7 ...

Page 44: ... 5 6K 5 3 5 J 5f3 e 5f H J 5f7 Y g hf 3 5 f H 3 KO 5 7 Y f V4 0Y V4 0Ye 7 g7 g V4 e V4 V V4 0Y V4 0Y V4 0Y 7 HfV4 0Yf e 7 Hf f hf V4 0Y f eV4 0Y e g V g V W2 6X e e O2 hfO2 e W2 6X W2 6X g W MI X e e e Kg e 7 MI 1 7 1 e J 5g 7 H V4 e f e e 3 LeJ 5 Ye e W2 6Xf 7 HeW2 f e g e f e e N 1e7 H W 5 e 7 I4 fJ 5 W M 3 L J 5 g f hf e3 e 5 W Y e 3 h7 H 7 He N 1 7 H g e f e e eN e H W Y e V4 6Ke J 5e e 3 5 3 ...

Page 45: ... 7 Yf3 e 5 3 5 V X 3 e 5eJ 5 e 6K 5 he L V4 eV4 0Ye f V4 H V4 0Y V4 V4 0Ye7 H e V4 0Y he I I K e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e e f e f e f e f e f e f e f e f K e f e f e f e f e e e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e f e e f e f e...

Page 46: ...ELECTRONICS Samsung Electronics Co Ltd NOV 1998 Printed in Korea 3S15A 7348 ...