Samsung CL21B501HL Service Manual Download | Manualshive

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Schematic Diagram

7-2

Samsung Electronics

7-1-2 Power Signal

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Summary of Contents for CL21B501HL

Page 1: ...LMXZS COLOR TELEVISION CONTENTS 1 Precaution 2 Product Specification 3 Disassembly Reassembly 4 Troubleshooting 5 Exploded View Part List 6 Wiring Diagram 7 Schematic Diagram Refer to the service manual in the GSPN see the rear cover for the more information CL21B501HL ...

Page 2: ...uch as the vertical size horizontal size focus etc Display a black and white picture on the screen to check if the picture is clearly displayed If there are some spotted points on the screen when displaying a black and white picture degauss the screen using the degauss coil If the spotted points remain re adjust the purity and the convergence This completes the basic performance examination ...

Page 3: ...us Move the cursor to select an item Adjust the selected configuration value 4 W B Setting No Item Data Required Adjustment 1 White Balance x 275 5 y 27 5 5 Y 45 3 White Balance Standard Data x 265 5 y 265 5 Y 1 5 0 3 2 Screen Voltage Toshiba Pattern Same As KSCA Chassis G2 Adjust Info Menu POWER ON Mute Option XX XX XX XX XX Hotel Option Deflection Video Adjust 1 Video Adjust 2 Video Adjust 3 Vid...

Page 4: ...rance By Country 8 Lang Group NTSC SA Philippine NTSC SA 9 Close Caption ON Off On 10 Ext Band Pass On Off Off 11 V Guard On Off On 12 AV OUT SEL CVBS2 CVBS3 CVBS2 13 DNIe Jr On Off Off 14 2 Hotel Option No Item Selection Initial Data 1 Hotel Mode On Off Off 2 Power On Band Air STD Air 3 Power On Channel 0 99 3 4 Power on volume 0 100 10 5 Max Volume 0 100 100 6 Pannel Button Lock On Off Off 7 Pow...

Page 5: ...Troubleshooting Samsung Electronics 4 17 ...

Page 6: ...gin 10 H Parabola Adjust 35 11 Upper Corner Adjust 45 12 Lower Corner Adjust 45 13 H Trapezium Adjust 30 14 Bow Adjust 28 15 Angle Adjust 25 4 Video Adjust 1 No Item Data Initial value Remarks 1 R Cutoff Adjust 32 2 G Cutoff FIX 32 3 B Cutoff Adjust 32 4 R Drive Adjust 32 5 G Drive FIX 32 6 B Drive Adjust 32 7 Sub Bright Adjust 10 8 Sub Contrast Adjust 15 9 Bluescreen Contrast Adjust 15 10 G2 Adju...

Page 7: ...0 9 TR 8 Peak White Limit FIX 6 9 TR 9 SECAM B Y Offset FIX 1 10 Peaking CF0 Delay Mode FIX 0 11 Sub Sharpness FIX 23 12 Video Dependent Coring RF FIX 3 Video S N 13 Video Dependent Coring AV FIX 3 6 Video Adjust 3 No Item Data Initial value Remarks 1 RF AGC Adjust 30 AGC Voltage 2 IF AGC Speed FIX 1 3 IF Demodulator FIX 38 4 Fast Filter IF PLL FIX 0 5 RF FOA FOB FIX 0 VCR RF output 6 AV FOA FOB F...

Page 8: ...roma Trap Mode FIX 0 7 EHT Tracking Mode FIX 1 0 only on vertical 1 on vertical and EW 8 Component R cutoff FIX 32 Scart W B 9 Component G cutoff FIX 32 Scart W B 10 ComponentB cutoff FIX 32 Scart W B 11 RGB Blanking Mode FIX 1 Secam Blanking 12 Wide Blanking Front FIX 0 13 Wide Blanking Rear FIX 6 8 YC Delay No Item Data Initial value Remarks 1 PAL Delay FIX 12 2 SECAM Delay FIX 12 3 NTSC Delay F...

Page 9: ...eduction FIX 1 6 OSD Brightness FIX 15 7 PWL Active FIX 1 0 not active 1 active 8 Bypass Peaking Delay FIX 0 0 normai operation 1 peaking delay bypassed 9 Ratio Pre After Shoot FIX 2 10 Ratio posi Nega Peaks FIX 2 11 Dynamic Skin FIX 0 0 123 degree 1 117 degree 12 Gamma White Stretch FIX 1 0 3 13 DC Transfer Ratio FIX 1 0 No black level shift 1 black level shift 14 NTSC Matrix FIX 0 0 Japanese mat...

Page 10: ...the Factory Data adjustments must be performed according to the following procedures when replacing the Main Board 1 Display the Lion pattern 2 Press Power Off Mute 1 8 2 Power On using the remote control and enter Factory Mode 3 Enter Deflection Mode 4 Adjust the V AMP V SHIFT H EW and H SHIFT items so that the width becomes 92 and the height becomes 92 ...

Page 11: ...ern and check that the picture size has not been changed If there is no change finish the adjustments 3 Adjust BOW and the Angle settings so that the center line becomes a straight line 5 Adjust the Upper Corner and the Low Corner settings so thatthe end of the lines become straight 4 Adjust the H Parabola and H Trapezium settings so thatthe left and right lines become straight 6 Adjust the V Line...

Page 12: ...lowing order for the KSCB chassis when replacing the CRT PCB FBT or CRT 1 Display the Cross Hatch pattern 2 Set the Screen Adjustment to OK 3 Turn the Focus VR so that the horizontal and vertical lines are clearly displayed 4 Check the Focus for the entire screen and adjust the Focus VR if necessary Adjusting the Screen Voltage 1 Select 2 Initialize all settings to the values appropriate to the co...

Page 13: ...nd adjust Screen VR until Screen Adjust ok like the picture Adjusting the White Balance 1 Select 2 Initialize all settings to the values appropriate to the corresponding model 3 Display the Toshiba pattern and adjust the White Balance using CA100 with the coordinates of the corresponding model Screen VR CA100 Info Menu POWER ON Mute Power OFF ...

Page 14: ...ta Required Adjustment 1 White Balance x 275 5 y 275 5 Y 45 3 White Balance Standard Data x 265 5 y 265 5 Y 1 5 0 3 Check List for the Screen Voltage and White Balance Adjustment 1 The Screen Voltage and White Balance are connected to each other and both of them have to be configured to the correct values 2 Adjust the White Balance after the Screen Voltage was adjusted and check if the Screen Volt...

Page 15: ...MEMO Samsung Electronics 4 27 ...

Page 16: ... Schematic Diagram 7 1 Circuit Description 7 1 1 Overall Block Description KTA1505Y IC801S W6753F A 14V A 6 5V A 12V IC601 Sound AMP IC301 Vertical Drive AMP T444S Fly back Transformer 78R05 R3 VDN VDP LSL OUT LSR OUT SIDE A V Option JACK AV IN ...

Page 17: ...Schematic Diagram 7 2 Samsung Electronics 7 1 2 Power Signal ...

Page 18: ...ronics 7 3 7 1 3 Partial Block Diagram 1 Main Block Description KTA1505Y IC801S W6753F A 14V A 6 5V A 12V IC601 Sound AMP IC301 Vertical Drive AMP T444S Fly back Transformer 78R05 R3 VDN VDP LSL OUT LSR OUT SIDE A V Option JACK AV IN ...

Page 19: ...MEMO 7 4 Samsung Electronics ...

Page 20: ...Schematic Diagram Samsung Electronics 7 5 7 2 Schematic Diagram 7 2 1 Main Board This Document can not be used without Samsung s authorization Power Video Audio ...

Page 21: ...Schematic Diagram 7 6 Samsung Electronics 7 2 2 Sound This Document can not be used without Samsung s authorization Power Video Audio ...

Page 22: ...Schematic Diagram Samsung Electronics 7 7 7 2 3 Power This Document can not be used without Samsung s authorization Power Video Audio ...

Page 23: ...Schematic Diagram 7 8 Samsung Electronics 7 2 4 CRT This Document can not be used without Samsung s authorization Power Video Audio ...

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