Parker TS2151 Service Manual Download | Manualshive

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CONTENTS

Safety precautions………………………………………………………………………..…

Alignment instructions …………………………….…….………………………..…….…

Working principle analysis of the unit……………………………….………….………….

Block diagram…………………………………..……………………….………….………

IC block diagram………………………………………………………………………..……

Wiring diagram ……………………………………………………………..……………...

Troubleshooting………………………………………………………………………..……

Schematic diagram …………………………………………………………………….…..

APPENDIX-A: Main assembly list

APPENDIX-B: Exploded view

1

2

7

8

9

14

15

18

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Summary of Contents for TS2151

Page 1: ...COLOR TELEVISION TS2151 ...

Page 2: ...utions Alignment instructions Working principle analysis of the unit Block diagram IC block diagram Wiring diagram Troubleshooting Schematic diagram APPENDIX A Main assembly list APPENDIX B Exploded view 1 2 7 8 9 14 15 18 ...

Page 3: ...r keep the resistor 10 mm away from the circuit board 3 Component safety precaution Many electrical and mechanical parts in the chassis have special safety related characteristics These characteristics are often passed unnoticed by a visual inspection Replacement parts which have these special safety characteristics are identified in this manual and its supplement electrical components having such...

Page 4: ...be done Refer to picture tube adjustment method for adjustment Alignment instruction 1 Debugging item a VIF adjustment b S TRAP adjustment c H VCO adjustment d OSD adjustment e B voltage adjustment f RF AGC voltage adjustment g Focus adjustment h Screen grid voltage white balance adjustment i Field line scan center adjustment j Filed line amplitude adjustment k Raster adjustment 2 Alignment flow ...

Page 5: ...b brightness check Picture and sound check Filament voltage check X ray protect check High voltage check E2 PROM copy S TRAP adjustment OSD adjustment Focus adjustment Screen grid voltage white balance adjustment Check H VCO adjustment VIF adjustment Scan amplitude center and raster adjustment B adjustment RF AGC adjustment ...

Page 6: ...ust R AGC slightly 3 7 Focus adjustment a Receive A 12 PHILIPS signal set user control to standard b Adjust focus electrode potentiometer on FBT to optimize B area focus of screen 3 8 Screen grid voltage and white balance adjustment a Receive A 7 signal set user control to vivid b Select CRT ADJ of factory menu fixed C OFF G 175 adjust C OFF R C OFF B DRV R DRV B till the white balance is normal b...

Page 7: ... signal 2 Use picture control buttons to check color contrast brightness sharpness tint s function 3 Use sound control buttons to check volume control function 4 5 Sub brightness check Receive A7 signal set user control to vivid picture bottom right side 2 lattices slightly light up 4 6 Color purity and convergence check in normal way 4 7 AV terminals IN OUT check 4 8 Y Cb Cr video and sound IN ch...

Page 8: ...1 H POS Line position adjustment 12 H SIZE Field amplitude adjustment 13 PARA Pincushion adjustment 14 CONTER Angle adjustment 15 Trape Trapezia adjustment 16 C OFF R TV NTSC white balance adjustment 17 C OFF G 18 C OFF B 19 DRV R 20 DRV B 21 C OFF R YCBCR YCBCR white balance adjustment 22 C OFF G YCBCR 23 C OFF B YCBCR 24 DRV R YCBCR 3 CRT ADJ 25 DRV B YCBCR 4 PICTURE ADJ 1 SUB BRIGHT Sub bright ...

Page 9: ... to main IC N102 R2J10161G8 AOOFP from 38 39 IF amplify phase lock loop VCO and synchronous detection output from 34 as composite video signal VIF VIDEO After filtering VIF VIDEO changes to VIDEO TV VIDEO TV and Y component from AV1 S AV2 and YCbCr via NB01 4052BP 9 10 AV Y AV1 AV2 TV AV select output VIDEO it will be sent to N102 form 32 again C of S terminal is sent to N102 30 component Cb Cr is...

Page 10: ...bCr RGB AV V OUT V H RGB VIF SIF VIDEO PROCESSOR AUDIO PROCESSOR CHROMA PROCESSOR RGB INTERFACE DDY REGULATOR MCU N102 R2J10161G8 AOOFP EEPROM N101 AT24C08 AUDIO SW 4052BP NB02 AUDIO AMP TDA7253 NV01 VIDEO SW 4052BP NB01 TUNER SAW Z101 SPEAKER VIDEO AMP 2SC2688M H DRIVER ST1803DF V301 V DRIVER N301 TDA8177 CRT ...

Page 11: ...9 IC Block diagram 1 R2J1016XFP ...

Page 12: ...2 5 18 AGC 2 63 P26 0 19 Cb_IN 1 1 62 CVIN 0 20 Cr_IN 1 1 61 VHOLD 0 21 C_APC 2 9 60 HLF 0 22 XTAL crystal 4 43M 59 P22 0 23 GND 0 58 P21 0 24 Y_SW_OUT video output 3 57 P20 0 25 EW_OUT 3 2 56 MCU_RESBT 5 00 26 MCU 5 7V 5 7 55 MONITOR_OUT SVM out 0 4 27 PAL_FIL 3 8 54 VREG 8 7V 8 7 28 VREG 8 7V 8 7 53 B_OUT 3 00 29 L_IN 3 2 52 G_OUT 3 00 30 C_IN 1 9 51 R_OUT 3 00 31 VCC 5V 5 00 50 HI_VCC 8 32 V Y ...

Page 13: ...e Ground terminal MOSFET Source and Ground 4 Vcc Power terminal Control power input 5 SS ADJ Soft Start over current protect Over current protect and Soft Start timer adjust 6 FB Feed Back terminal Timing voltage control signal input Gap oscillation control 7 BD Bottom check terminal Bottom check signal input and external Latch signal input ...

Page 14: ...12 3 TDA7253 ...

Page 15: ...13 4 TDA8177 ...

Page 16: ......

Page 17: ...coil of power The light is red press POWER can t turn on the TV Check if N102 56 output high level Check if it is X RAY protection Press POWER to turn on and the light is blue Check if N102 and N101are normal Refer to 2 and 3 Yes No Yes No No Yes Check if sound amplifier NV01 has output Speaker is damaged Check if NV01 power supply is normal if pin3 mute is high level If NV01 pin 1 and pin5 have i...

Page 18: ...V circuit works normally Check if each group voltage of FBT is normal Check CRT board and filament voltage Check if N102 has RGB output Check N102 and its periphery Check CRT board turner and its periphery If V301C output H frequency If V301 is damaged Yes Have raster No raster Abnormal Normal ...

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