Samsung TXJ1366 инструкция обслуживания

COLOR TELEVISION RECEIVER Chassis : K15A Model: TXJ1366 TXJ1367 TXJ1396 TXJ1966 TXJ1996 COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustments T roubleshooting Exploded Views and Parts List Electric Parts List Block Diagram PCB Layout Wiring Diagrams Schematic Diagrams 1. 2. 3. 4. 5. 6. 7.[...]

1. Precautions 1-1 Safety Precautions 1. Be sure that all of the built-in pr otective devices are r eplaced. Restore any missing protective shields. 2. When reinstalling the chassis and its assemblies, be sure to r estore all pr otective devices, including: nonmetallic control knobs and compartment covers. 3. Make sure that ther e are no cabinet op[...]

1-1 Safety Precautions (Continued) 9. High voltage is maintained within specified limits by close-tolerance, safety-related components and adjustments. If the high voltage exceeds the specified limits, check each of the special components. 10. Design Alteration W arning: Never alter or add to the mechanical or electrical design of this unit. Exampl[...]

1-2 Servicing Precautions 1. Servicing precautions ar e printed on the cabinet. Follow them. 2. Always unplug the unitÕs AC power cord fr om the AC power source befor e attempting to: (a) Remove or reinstall any component or assembly , (b) Disconnect an electrical plug or connector , (c) Connect a test component in parallel with an electrolytic ca[...]

1. Some semiconductor (Òsolid stateÓ) devices are easily damaged by static electricity . Such components are called Electr ostatically Sensitive Devices (ESDs); examples include integrated circuits and some field-ef fect transistors. The following techniques will reduce the occurr ence of component damage caused by static electricity . 2. Immedia[...]

ELECTRONICS © Samsung Electronics Co., Ltd. SE P . 1999 Printed in Korea 3K15A-1425[...]

Specifications Samsung Electronics 2-1 2. Specifications 2-1 Specifications Television System 14"/20"/21" NTSC COLOR TV SIGNAL Power Consumption 14" : 57 WATTS NOMINAL, 20" : 70 WATTS NOMINAL 21" : 75 WATTS NOMINAL, Picture Tube 14" : A34KQV42X 20" : A48KRD82X (H) 21": : A51KQJ63X (H) Power Requirement A[...]

Disassembly and Reassembly Samsung Electronics 3-1 3. Disassembly and Reassembly 3-1 Back Cover Removeal Fig. 3-1 1. After removing the scr ews, pull the cabinet backwards.[...]

3-2 Main Board Removal Disassembly and Reassembly 3-2 Samsung Electronics Fig. 3-2 Fig. 3-3 1. Separate the socket board fr om the CR T neck. 2. Remove the Anode Cap from the CR T . 3. Remove the main board by pulling it with both hands. W arning: The FBT is charged with high voltage. Before r emoving the Anode Cap, discharge the voltage through on[...]

Disassembly and Reassembly Samsung Electronics 3-3 3-3 Speaker Removal 1. Loosen the screws and r emove the speakers. Fig. 3-4[...]

Disassembly and Reassembly 3-4 Samsung Electronics 3-4 CRT Removel Fig. 3-5 1. Spread a soft mat on the floor . Place the TV set face down. 2. Remove the 4 nuts mounting the CR T to the front cabinet. 3. Lift the CR T . 4. Caution: Because of the high vacuum and large surface ar ea of the picture tube, be car eful while handling it: (1) Always lift[...]

Alignment and Adjustments Samsung Electronics 4-1 4. Alignment and Adjustments 4-1 Service Mode Adjustments 4-1-1 Service Mode Menus Since there ar e no VRs in the K15A chassis, all adjustments after parts replacement must be done in the Service Mode. Service Mode adjustments are necessary when either the EEPROM (IC902) or the CR T is replaced. 4-1[...]

POWER OFF No Item Function Range MICOM Data 1 AGC RF AGC Adjustment 0~63 50 2 VCO PIF VCO Adjustment 0~127 63 3 SCT SUB-CONTRAST Adjustment 0~63 48 4 SCR SUB-COLOR Adjustment 0~27 13 5 STT SUB-TINT Adjustment 0~27 7 6 RC RED-CUT OFF Adjustment 0~255 0 7 GC GREEN-CUT OFF Adjustment 0~255 0 8 BC BLUE-CUT OFF Adjustment 0~255 0 9 SVC Input a Horiz lin[...]

Alignment and Adjustments Samsung Electronics 4-3 4-2 Alignment and Adjustment 4-2-1 General Alignment Instructions 1. Usually , a color TV needs only slight touch-up adjustment upon installation. Check the basic characteristics such as picture height, focus and a horizontal and vertical sync. 2. Observe the picture and check for good back and whit[...]

Alignment and Adjustments 4-4 Samsung Electronics 4-2-8 Sub-Contrast Adjustment 1. Input a gray scale pattern. Use a pattern generator (PM5518). 2. Short D208 to switch off the ABL feed-back. 3. Check CN201 R-OUT with an oscilloscope. 4. Set RC, BC, GC data to 0 in the Service Mode. 5. Adjust SCT to 2.40 ± 0.1Vp-p 6. Remove the short across D208 a[...]

Alignment and Adjustments Samsung Electronics 4-5 4-2-11 White Balance Adjustment 4-2-11 (A) LOW-LIGHT ADJUSTMENTS 1. Input either a lion head or “pure white” color pattern. 2. Operate the receiver for 30 minutes. 3. Check the data in the service mode: RC, GC, BC are 0 and SB is 16; Steps BG are 90 and GG ar e 140. 4. Enter the horizontal line [...]

MEMO 4-6 Samsung Electronics[...]

T roubleshooting Samsung Electronics 5-1 5. T roubleshooting 5-1 No Power Normal Check LED when AC code is plugged. Check Fuse. OFF No Power Check IC801* Pin 1 Oscillation. Check IC801 Pin 3 B + . Abnormal Abnormal (0 ~ 15V) Check/Replace D806, Q401, Q801, D802, D814* Check and Replace D807 ~D810 Abnormal Abnormal (0V) Normal (15~20V) Check/Replace[...]

5-2 No Sound T roubleshooting 5-2 Samsung Electronics Abnormal Abnormal Normal Normal Normal Abnormal Abnormal Abnormal Normal Normal (approx. 12V) No Sound Check Connector CN601 and CN701. Check Waveform of IC601 Pin 1. Check Waveform of IC201 Pin 52. Check Waveform of IC201 Pin 1. Volume Up. Check SIF (L201). Check/Replace IC201. Abnormal Check W[...]

5-3 Horizontal Line Appears T roubleshooting Samsung Electronics 5-3 Abnormal Normal (24V) Abnormal Check/Replace IC201. NG Single Horizontal Line Check 24V-C Voltage. Check Waveform of IC201 Pins 22,24. Normal O.K Check Whether a horizontal line appears in the service mode.. Check/Replace IC301. Check FBT Pin 2 (24V) Oscillation. Normal NG Check R[...]

T roubleshooting 5-4 Samsung Electronics 5-4 No Signal Abnormal Normal No Signal Normal Normal Abnormal Abnormal Abnormal Normal Normal Abnormal Normal (2Vp-p) Normal (1Vp-p) Normal (3~5Vp-p) Abnormal Normal (2Vp-p) Normal (1Vp-p) Check each tuner terminal voltage. Check voltage line. Check Micom IC901. Check tuner SCL,SDA waveform. Check tuner IF [...]

Exploded Views & Parts List Samsung Electronics 6-1 6. Exploded V iews & Parts List No Code No Description Specification Q’ty Remark 1 AA92-30161EA ASSY -CABINET ,FRONT TXJ1366,9,V0,S/V ,K15A 1 AA64-00162A CABINET -FRONT 14F2,BK708P ,HIPS,V0,BLK 1 1-1 AA64-70127F BADGE-BRAND AL,SS,SIL VER,R800 1 1-2 AA64-00165B KNOB-POWER 14F2,NO-SILK,ABS[...]

Exploded Views & Parts List 6-2 Samsung Electronics No Code No Description Specification Q’ty Remark 1 AA92-30161NA ASSY -CABINET ,FRONT TXJ1966,9,VO,S/V ,K15A 1 AA64-00152A CABINET -FRONT 20F2,BK708P ,HIPS,V0,BLK 1 1-1 AA64-70127F BADGE-BRAND AL,SS,SIL VER,R800 1 1-2 AA64-00156B KNOB-POWER -,20F2,NO-SILK,ABS,HB,BLK 1 1-3 AA61-60003J SPRING-C[...]

7. Electric Parts List Electric Parts List Samsung Electronics 7-1 7-1 Part Differences (by screen size) ....................................................................................... 7-2 TXJ1366 (TXJ1996 and TXJ1366 Dissimilar Parts) ......................................... 7-3 TXJ1996 ....................................................[...]

No. Loc. No. INC H U.S.A LATIN SPECIFICATION CODE No. SPECIFICATION CODE No. 1 CRT 14" A34KQV42X,+380mG,14" AA0 3- 10001D 20" A48KRD82X(H),+380mG,21" AA0 3- 10029W 2 DY 14" DSE-1422FL,14" AA2 7- 50001K ¬Ÿ 20" D S E - 1992L L 1(H ) ,2 0" AA2 7-50004W 3 CY 14" 22.5MM AA2 7- 60001E 20" - , JH - 291-([...]

Electric Parts List Samsung Electronics 7-3 7-1-1 Inch Option No. Loc. No. INC H U.S.A LATIN SPECIFICATION CODE No. SPECIFICATION CODE No. 1 C402 14" C-C 722 1.6KV 2 3 06-000253 ¬Ÿ ¬Ÿ HORIZONTAL CT CAPACITOR 20" C-C 742 1.6KV 2 3 06-000355 ¬Ÿ ¬Ÿ 2 C403 14" C-C 331 2KV 2 2 01-000467 ¬Ÿ ¬Ÿ 20" C-C 271 2KV 2 2 01-000406[...]

Electric Parts List 7-4 Samsung Electronics No. Loc. No. INC H U.S.A LATIN SPECIFICATION CODE No. SPECIFICATION CODE No. 13 C311 14" C-E 0.47uF 50V 2 4 01- 001333 ¬Ÿ 20" C-E 0.47uF 50V 2 4 01- 001333 ¬Ÿ 14 R303 14" R-C 56K-J 1/8T 2 0 01- 000864 ¬Ÿ 20" R-C 62K-J 1/8T 2 0 04- 001990 ¬Ÿ 15 R304 14" R-M.O 2W 3.3-J 2 0 0[...]

Electric Parts List Samsung Electronics 7-5 No. Loc. No. INC H U.S.A LATIN REMARK SPECIFICATION CODE No. SPECIFICATION CODE No. 25 C216 14" C-C 20pF(CH) 2 2 01- 000354 ¬Ÿ 20" C-C 20pF(CH) 2 2 01- 000354 X 26 R204 14" R-C 820-J 1/8T 2 0 04-000995 ¬Ÿ 20" R-C 1.2K-J 1/8T 2 0 01-000221 ¬Ÿ 27 R205 14" R-C 820-J 1/8T 2 0 04[...]

Electric Parts List 7-6 Samsung Electronics 7-1-2 AC Input Option No. Loc. No. RELAY USED RELAY DELETE SPECIFICATION CODE No. SPECIFICATION CODE No. 1 CU10 C-E 220uF 25V 2 4 01- 000832 X X RELAY OPTION 2 J153 X X JUMPER 3 8 12-000219 APPLIED WHEN DELETING RELAY 3 JU14 JUMPER 3 8 12-000219 X X RELAY OPTION 4 JWU02 X X JUMPER 3 8 12-000219 5 L910 FER[...]

Electric Parts List Samsung Electronics 7-7 7-1-4 X-Ray Option No. Loc. No. X-RAY USED X-RAY DELETE REMARK SPECIFICATION CODE No. SPECIFICATION CODE No. 1 CX01 C-C 103 25V 2 2 02-000127 X X X-RAY 2 CX02 10uF 50V 2 4 01-000480 X X X-RAY 3 CX03 10uF 50V 2 4 01-000480 X X X-RAY 4 CX04 471 500V 2 2 01-000556 X X X-RAY 5 DX01 MTZ6.2B 0 4 03-000297 X X X[...]

Electric Parts List 7-8 Samsung Electronics 7-1-5 Sound Option (MONO/DUAL) No. Loc. No. ~73, ~38, ~1F SYSTEM (1 SPK / 1 AMP) 1 ~1H SYSTEM (2 SPKs / 1 AMP) ~39,~85,~66,~1E,~3E SYSTEM ( 2 SPKs / 2 AMPs) SPECIFICATION CODE No. SPECIFICATION CODE No. SPECIFICATION CODE No. 1 IC602 X X X X ASSY-H/S LA4425 AA9 6-50392A WHEN USING 2 AMPs 2 C652 X X X X 2.[...]

Electric Parts List Samsung Electronics 7-9 7-2 TXJ1366 (TXJ1996 and TXJ1366 Dissimilar Parts) TXJ1366X/XAA, TXJ1366X/XAC, TXJ1367/XAC TXJ1396X/XAA, TXJ1396X/XAC ASSY -PCB,MAIN * AA94-10133F2 ASSY -PCB,MAIN(COM);K15A(0),S/V ,13,BLK, TXJ1366 AA94-10133F1 ASSY -PCB,MAIN(COM);K15A(0),S/V ,13,WHT , TXJ1367 C301 2301-000020 C-FILMPEF;27NF ,5%,100V ,TP ,[...]

Electric Parts List 7-10 Samsung Electronics TXJ1966X/XAA, TXJ1966X/XAC, TXJ1996X/XAA ASSY -PCB,MAIN A/MAIN AA94-10133Z ASSY -PCB,MAIN(COM);K15A(O),S/V ,19,MONO, C101 2202-000127 C-CERAMIC,MLC-AXIAL;10NF ,+80-2 C102 2401-000660 C-ELECTROL YTIC;CE04WTAPG50V2.2 C104 2202-000127 C-CERAMIC,MLC-AXIAL;10NF ,+80-2 C108 2401-000480 C-AL;10UF ,20%,50V ,GP ,[...]

! Electric Parts List Samsung Electronics 7-11 Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark D204 0401-000005 DIODE;1N4148T APG D205 0403-000355 DIODEZENER;UZ5.1BSB,4.97~5.17V ,0.5UA,500 D206 0401-000005 DIODE;1N4148T APG D207 0401-000005 DIODE;1N4148T APG D208 0402-000132 DIODE-RECTIFIER;[...]

Electric Parts List 7-12 Samsung Electronics Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark R237 2001-000290 R-CARBON;10KOHM,5%,1/8W ,AA,TP , R239 2001-000947 R-CARBON;7.5KOHM,5%,1/8W ,AA,TP R240 2001-000577 R-CARBON;2KOHM,5%,1/8W ,AA,TP ,1 R241 2001-000429 R-CARBON;1Kohm,5%,1/8W ,AA,TP ,1.[...]

Electric Parts List Samsung Electronics 7-13 Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark SW904 3404-000244 SWITCH-T ACT ;15V ,20MA,90-170GF , SW905 3404-000244 SWITCH-T ACT ;15V ,20MA,90-170GF , SW906 3404-000295 SW-T ACT ,V;KPT1122R1KEYSTT=0.3M T401 AA26-50001B HORIZ.DRIVE;-,7.1MH,102UH[...]

7-14 Samsung Electronics MEMO[...]

8. Block Diagram Block Diagram Samsung Electronics 8-1 IC601 SOUND-AMP 2.5W x 1CH LA4425 R.G.B CRT 1CHIP IF/V/C/D KA2163B SAW M1859M TU01* TUNER TELH9-212A IC902 EEPROM KS24C020 IC901* MICOM SZM-354ET EXT IN VIDEO EXT IN AUDIO IC201 Q401* H-TR KSC5368 VERTICAL-AMP KA2131 T444* F.B.T 14" : FSV14A001 20" : FSV20A001 21" : FSV20A001 IC8[...]

9. PCB Layout 9-1 PCB-MAIN PCB Layout Samsung Electronics 9-1 D101 53 150 D102 56 130 D103 71 141 D201 135 196 D202 96 105 D203 96 107 D204 96 110 D205 123 92 D206 114 95 D207 114 97 D208 115 74 D210 99 105 D299 99 212 D301 32 139 D302 31 146 D401 85 99 D402 70 98 D403 59 74 D404 72 53 D405 81 38 D407 58 105 D601 124 213 D701 130 136 D702 227 203 D[...]

10. Wiring Diagram Wiring Diagram Samsung Electronics 10-1 CRT PCB B G R 9V GND 180V GND HT B G R 9V GND 180V GND HT CN501 CN201 A/V ASSY V1 R+ R- V0 GND AI CN702 CN701 A0 V1 R+ R- V0 GND AI A0 S G SPEAKER CN601 MAIN ASSY CRT H1 H2 V1 V2 CN401 H1 H2 V1 V2 CRT PCB CN501 S G[...]

11. Schematic Diagrams 11-1 MAIN 1/4 Schematic Diagrams Samsung Electronics 11-1 : Power Line : Signal Line[...]

TP13 IC201 30PIN TP15 TP17 TP21 TP10 TP11 TP19 IC201 37PIN IC201 43PIN IC201 47PIN IC201 53PIN IC201 25PIN IC201 27PIN TP7 TP8 IC201 23PIN IC201 22PIN TP14 IC201 32PIN TP16 TP18 TP12 TP20 IC201 41PIN IC201 45PIN IC201 49PIN IC201 28PIN TP9 IC201 24PIN TP4 TP5 IC201 20PIN IC201 19PIN TP6 IC201 21PIN TP1 TP2 IC201 4 PIN IC201 2 PIN TP3 IC201 7PIN Sch[...]

Schematic Diagrams Samsung Electronics 11-3 TP25 TP27 TP26 TP24 11-3 MAIN 3/4 TP24 TP26 TP25 IC801 1 PIN TP27 T444 10 PIN : Power Line Si l Li[...]

Schematic Diagrams 11-4 Samsung Electronics 11-4 MAIN 4/4 : Power Line : Signal Line[...]