Samsung CL21B501HL Manuel utilisateur
SERVICE
Manual
COLOR TELEVISION
Chassis: KSCB(N)_CB5H
Model : CL21B501HLMXZS
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
Troubleshooting
4-14 Samsung Electronics
4-2 Adjustment
4-2-1 Service Instruction
1.GeneralAdjustment:
In general, a color TV can provide ideal visual quality by adjusting the basic settings such 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.
Iftherearesome‘spotted’pointsonthescreenwhendisplayingablackandwhitepicture,degaussthescreenusingthe
degauss coil. If the spotted points remain, re-adjust the purity and the convergence.
Thiscompletesthebasicperformanceexamination.
Troubleshooting
Samsung Electronics 4-15
4-2-2 How to Access Service Mode
1. To enter Service Mode, press the keys on the remote control according to the following sequence. (in Stand-by status)
To Enter:
2. The initial screen of Service Mode.
3. Functions of the Keys within Service Mode.
MENU Show all menus
▲
/▼
Move the cursor to select an item.
◀/▶
Adjust the selected configuration value
4. W/B Setting
No Item Data RequiredAdjustment
1 White Balance x:275±5y:275±5Y:45±3 White Balance (Standard Data)
x:265±5y:265±5Y:1.5±0.3
2 Screen Voltage Toshiba Pattern Same As KSCA Chassis
G2Adjust
Info Menu POWER ONMute
Option XX XX XX XX XX
Hotel Option
Deflection
Video Adjust 1
Video Adjust 2
Video Adjust 3
Video Adjust 4
YC Delay
Others
Bus Stop Off
CHECKSUM 0000
G2 Adjust
RESET
T-SIXPEANM-1000.0 2008/10/08
Troubleshooting
4-16 Samsung Electronics
4-2-3 Factory Data
1. Option
No Item Selection Initial Data
1Video mute 100msec~1000msec/Off 600msec
2System CL/CP/CT-N CL
3AV Jack 1RCA/2RCA/2RCA+DVD/1SCART 1RCA
4Sound Line Stereo / MONO MONO
5High Deviation ON/Off On
6Volume Curve Large/Small Large
7Initial Lang English/Spain/Portugal/France By Country
8LangGroup NTSC SA/Philippine NTSC SA
9Close Caption ON/Off On
10 ExtBandPass 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
1Hotel Mode On/Off Off
2Power On Band Air/STD Air
3Power On Channel 0~99 3
4Power on volume 0~100 10
5MaxVolume 0~100 100
6Pannel Button Lock On/Off Off
7Power On Source Off/TV/AV1/AV2/DVD Off
♦The underlined are items applied during the service adjustment. None of the others should be adjusted.
Troubleshooting
Samsung Electronics 4-17
Troubleshooting
4-18 Samsung Electronics
3. Deflection
No Item Data Initial value Remarks
1V Amp Adjust 30
2V Shift Adjust 39
3H EW Adjust 39
4H Shift Adjust 33
5V Linearity FIX 25
6V S-Correction FIX 29
7V Slope FIX 45
8V Scroll FIX 22
9V Zoom FIX 17 AV Horizontal Line/
V-AMP Margin
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
1RCutoff Adjust 32
2GCutoff FIX 32
3 B Cutoff Adjust 32
4RDrive Adjust 32
5GDrive FIX 32
6 B Drive Adjust 32
7 Sub Bright Adjust 10
8 Sub Contrast Adjust 15
9 Bluescreen Contrast Adjust 15
10 G2AdjustBright FIX 45 9TR
11 AKB Option FIX 0
12 Cathode Drive Level FIX 10 W/B adjust Margin
Troubleshooting
Samsung Electronics 4-19
5. Video Adjust 2
No Item Data Initial value Remarks
1 PAL/SECAM Sub Color FIX 10
2 NTSC Sub Color FIX 14
3 NTSC Sub Tint FIX 17
4YUVSubTintRF FIX 32
5 YUV Sub Tint AV FIX 35
6YUVSubTintRGB FIX 32
7 Soft Clipping Level FIX 0 9TR
8 Peak White Limit FIX 6 9TR
9 SECAM B-Y Offset FIX 1
10 Peaking CF0 & Delay Mode FIX 0
11 Sub Sharpness FIX 23
12 VideoDependentCoringRF FIX 3 Video S/N
13 Video Dependent Coring AV FIX 3
6. Video Adjust 3
No Item Data Initial value Remarks
1RFAGC Adjust 30 AGCVoltage
2IFAGCSpeed FIX 1
3 IF Demodulator FIX 38
4 Fast Filter IF PLL FIX 0
5RFFOA/FOB FIX 0 VCRRFoutput
6 AV FOA/FOB FIX 0
7RFPA/NTIdentSensitivit FIX 2
8 AV PA/NT Ident Sensitivit FIX 2
Troubleshooting
4-20 Samsung Electronics
7. Video Adjust 4
No Item Data Initial value Remarks
1 Bypass of Chroma Base Band FIX 0 0: active 1:
bypassed
2FixedBeamCurrent FIX 0
3FixedBeamCurrent1 FIX 0
4Forced Colour On FIX 0 0: off
1: on
5 Beam Current Limiting FIX 0
6 Chroma Trap Mode FIX 0
7 EHT Tracking Mode FIX 1 0: only on vertical
1: on vertical and EW
8ComponentRcutoff FIX 32 Scart W/B
9ComponentGcutoff FIX 32 Scart W/B
10 ComponentB cutoff FIX 32 Scart W/B
11 RGBBlankingMode FIX 1 Secam Blanking
12 Wide Blanking Front FIX 0
13 WideBlankingRear FIX 6
8. YC Delay
No Item Data Initial value Remarks
1 PAL Delay FIX 12
2 SECAM Delay FIX 12
3 NTSC Delay FIX 12
4 PAL AV Delay FIX 12
5 SECAM AV Delay FIX 12
6 NTSC AV Delay FIX 12
Troubleshooting
Samsung Electronics 4-21
9. Others
No Item Data Initial value Remarks
1Service Blanking FIX 0 0: off
1: on
2Black Area FIX 1
3Black Stretch FIX 2
0: not active
1:active-15IRE
2:active-30IRE
4Blue Stretch FIX 0
5NoRedReduction FIX 1
6OSD Brightness FIX 15
7PWL Active FIX 1 0: not active
1: active
8Bypass Peaking Delay FIX 0 0: normai operation
1:peaking delay bypassed
9RatioPre&AfterShoot FIX 2
10 Ratioposi&NegaPeaks FIX 2
11 Dynamic Skin FIX 0 0 : 123 degree
1: 117 degree
12 Gamma&WhiteStretch FIX 1 0~3
13 DCTransferRatio FIX 1 0: No black level shift
1: black level shift
14 NTSCMatrix FIX 0 0:Japanesematrix
1:USAmatrix
15 DCXO Cap FIX 2 0~3
Troubleshooting
4-22 Samsung Electronics
4-2-4 Service Adjustment
1. Adjusting the Picture Size
Since the KSBA chassis includes a deflection adjustment of 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.
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